eventespresso / event-espresso-core

core/db_classes/EE_Ticket.class.php

Indentation +1827 added lines, -1827 removed lines

@@ -13,1835 +13,1835 @@
  */
 class EE_Ticket extends EE_Soft_Delete_Base_Class implements EEI_Line_Item_Object, EEI_Event_Relation, EEI_Has_Icon
 {
-    /**
-     * The following constants are used by the ticket_status() method to indicate whether a ticket is on sale or not.
-     */
-    const sold_out = 'TKS';
-
-    /**
-     *
-     */
-    const expired = 'TKE';
-
-    /**
-     *
-     */
-    const archived = 'TKA';
-
-    /**
-     *
-     */
-    const pending = 'TKP';
-
-    /**
-     *
-     */
-    const onsale = 'TKO';
-
-    /**
-     * extra meta key for tracking ticket reservations
-     *
-     * @type string
-     */
-    const META_KEY_TICKET_RESERVATIONS = 'ticket_reservations';
-
-    /**
-     * cached result from method of the same name
-     *
-     * @var float $_ticket_total_with_taxes
-     */
-    private $_ticket_total_with_taxes;
-
-
-    /**
-     * @param array  $props_n_values          incoming values
-     * @param string $timezone                incoming timezone (if not set the timezone set for the website will be
-     *                                        used.)
-     * @param array  $date_formats            incoming date_formats in an array where the first value is the
-     *                                        date_format and the second value is the time format
-     * @return EE_Ticket
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public static function new_instance($props_n_values = [], $timezone = null, $date_formats = [])
-    {
-        $ticket = parent::_check_for_object($props_n_values, __CLASS__, $timezone, $date_formats);
-        if (! $ticket instanceof EE_Ticket) {
-            $ticket = new EE_Ticket($props_n_values, false, $timezone, $date_formats);
-        }
-        return $ticket;
-    }
-
-
-    /**
-     * @param array  $props_n_values  incoming values from the database
-     * @param string $timezone        incoming timezone as set by the model.  If not set the timezone for
-     *                                the website will be used.
-     * @return EE_Ticket
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public static function new_instance_from_db($props_n_values = [], $timezone = null)
-    {
-        return new self($props_n_values, true, $timezone);
-    }
-
-
-    /**
-     * @param array  $props_n_values
-     * @param bool   $bydb
-     * @param string $timezone
-     * @param array  $date_formats            incoming date_formats in an array where the first value is the
-     *                                        date_format and the second value is the time format
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    protected function __construct($props_n_values = [], $bydb = false, $timezone = '', $date_formats = [])
-    {
-        parent::__construct($props_n_values, $bydb, $timezone, $date_formats);
-    }
-
-
-    /**
-     * @return bool
-     * @throws EE_Error|ReflectionException
-     */
-    public function parent()
-    {
-        return $this->get('TKT_parent');
-    }
-
-
-    /**
-     * return if a ticket has quantities available for purchase
-     *
-     * @param int $DTT_ID the primary key for a particular datetime
-     * @return boolean
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function available($DTT_ID = 0)
-    {
-        // are we checking availability for a particular datetime ?
-        if ($DTT_ID) {
-            // get that datetime object
-            $datetime = $this->get_first_related('Datetime', [['DTT_ID' => $DTT_ID]]);
-            // if  ticket sales for this datetime have exceeded the reg limit...
-            if ($datetime instanceof EE_Datetime && $datetime->sold_out()) {
-                return false;
-            }
-        }
-        // datetime is still open for registration, but is this ticket sold out ?
-        return $this->qty() < 1 || $this->qty() > $this->sold();
-    }
-
-
-    /**
-     * Using the start date and end date this method calculates whether the ticket is On Sale, Pending, or Expired
-     *
-     * @param bool        $display   true = we'll return a localized string, otherwise we just return the value of the
-     *                               relevant status const
-     * @param bool | null $remaining if it is already known that tickets are available, then simply pass a bool to save
-     *                               further processing
-     * @return mixed status int if the display string isn't requested
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function ticket_status($display = false, $remaining = null)
-    {
-        $remaining = is_bool($remaining) ? $remaining : $this->is_remaining();
-        if (! $remaining) {
-            return $display
-                ? EEH_Template::pretty_status(EE_Ticket::sold_out, false, 'sentence')
-                : EE_Ticket::sold_out;
-        }
-        if ($this->get('TKT_deleted')) {
-            return $display
-                ? EEH_Template::pretty_status(EE_Ticket::archived, false, 'sentence')
-                : EE_Ticket::archived;
-        }
-        if ($this->is_expired()) {
-            return $display
-                ? EEH_Template::pretty_status(EE_Ticket::expired, false, 'sentence')
-                : EE_Ticket::expired;
-        }
-        if ($this->is_pending()) {
-            return $display
-                ? EEH_Template::pretty_status(EE_Ticket::pending, false, 'sentence')
-                : EE_Ticket::pending;
-        }
-        if ($this->is_on_sale()) {
-            return $display
-                ? EEH_Template::pretty_status(EE_Ticket::onsale, false, 'sentence')
-                : EE_Ticket::onsale;
-        }
-        return '';
-    }
-
-
-    /**
-     * The purpose of this method is to simply return a boolean for whether there are any tickets remaining for sale
-     * considering ALL the factors used for figuring that out.
-     *
-     * @access public
-     * @param int $DTT_ID if an int above 0 is included here then we get a specific dtt.
-     * @return boolean         true = tickets remaining, false not.
-     * @throws EE_Error|ReflectionException
-     */
-    public function is_remaining($DTT_ID = 0)
-    {
-        $num_remaining = $this->remaining($DTT_ID);
-        if ($num_remaining === 0) {
-            return false;
-        }
-        if ($num_remaining > 0 && $num_remaining < $this->min()) {
-            return false;
-        }
-        return true;
-    }
-
-
-    /**
-     * return the total number of tickets available for purchase
-     *
-     * @param int $DTT_ID  the primary key for a particular datetime.
-     *                     set to 0 for all related datetimes
-     * @return int
-     * @throws EE_Error|ReflectionException
-     */
-    public function remaining($DTT_ID = 0)
-    {
-        return $this->real_quantity_on_ticket('saleable', $DTT_ID);
-    }
-
-
-    /**
-     * Gets min
-     *
-     * @return int
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function min()
-    {
-        return $this->get('TKT_min');
-    }
-
-
-    /**
-     * return if a ticket is no longer available cause its available dates have expired.
-     *
-     * @return boolean
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function is_expired()
-    {
-        return ($this->get_raw('TKT_end_date') < time());
-    }
-
-
-    /**
-     * Return if a ticket is yet to go on sale or not
-     *
-     * @return boolean
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function is_pending()
-    {
-        return ($this->get_raw('TKT_start_date') > time());
-    }
-
-
-    /**
-     * Return if a ticket is on sale or not
-     *
-     * @return boolean
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function is_on_sale()
-    {
-        return ($this->get_raw('TKT_start_date') < time() && $this->get_raw('TKT_end_date') > time());
-    }
-
-
-    /**
-     * This returns the chronologically last datetime that this ticket is associated with
-     *
-     * @param string $date_format
-     * @param string $conjunction - conjunction junction what's your function ? this string joins the start date with
-     *                            the end date ie: Jan 01 "to" Dec 31
-     * @return string
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function date_range($date_format = '', $conjunction = ' - ')
-    {
-        $date_format = ! empty($date_format) ? $date_format : $this->_dt_frmt;
-        $first_date  = $this->first_datetime() instanceof EE_Datetime
-            ? $this->first_datetime()->get_i18n_datetime('DTT_EVT_start', $date_format)
-            : '';
-        $last_date   = $this->last_datetime() instanceof EE_Datetime
-            ? $this->last_datetime()->get_i18n_datetime('DTT_EVT_end', $date_format)
-            : '';
-
-        return $first_date && $last_date ? $first_date . $conjunction . $last_date : '';
-    }
-
-
-    /**
-     * This returns the chronologically first datetime that this ticket is associated with
-     *
-     * @return EE_Datetime
-     * @throws EE_Error|ReflectionException
-     */
-    public function first_datetime()
-    {
-        $datetimes = $this->datetimes(['limit' => 1]);
-        return reset($datetimes);
-    }
-
-
-    /**
-     * Gets all the datetimes this ticket can be used for attending.
-     * Unless otherwise specified, orders datetimes by start date.
-     *
-     * @param array $query_params
-     * @return EE_Datetime[]|EE_Base_Class[]
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function datetimes($query_params = [])
-    {
-        if (! isset($query_params['order_by'])) {
-            $query_params['order_by']['DTT_order'] = 'ASC';
-        }
-        return $this->get_many_related('Datetime', $query_params);
-    }
-
-
-    /**
-     * This returns the chronologically last datetime that this ticket is associated with
-     *
-     * @return EE_Datetime
-     * @throws EE_Error|ReflectionException
-     */
-    public function last_datetime()
-    {
-        $datetimes = $this->datetimes(['limit' => 1, 'order_by' => ['DTT_EVT_start' => 'DESC']]);
-        return end($datetimes);
-    }
-
-
-    /**
-     * This returns the total tickets sold depending on the given parameters.
-     *
-     * @param string $get_sold_for  Can be one of two options: 'ticket', 'datetime'.
-     *                              'ticket' = total ticket sales for all datetimes this ticket is related to
-     *                              'datetime' = total ticket sales for a specified datetime (required $dtt_id)
-     *                              'datetime' = total ticket sales in the datetime_ticket table.
-     *                              If $dtt_id is not given then we return an array of sales indexed by datetime.
-     *                              If $dtt_id IS given then we return the tickets sold for that given datetime.
-     * @param int    $dtt_id        [optional] include the dtt_id with $what = 'datetime'.
-     * @return mixed (array|int)    how many tickets have sold
-     * @throws EE_Error|ReflectionException
-     */
-    public function tickets_sold($get_sold_for = 'ticket', $dtt_id = null)
-    {
-        $total        = 0;
-        $tickets_sold = $this->_all_tickets_sold();
-
-        if ($get_sold_for === 'ticket') {
-            return $tickets_sold['ticket'];
-        }
-
-        if (empty($tickets_sold['datetime'])) {
-            return $total;
-        }
-
-        if (! empty($dtt_id) && ! isset($tickets_sold['datetime'][ $dtt_id ])) {
-            EE_Error::add_error(
-                esc_html__(
-                    'You\'ve requested the amount of tickets sold for a given ticket and datetime, however there are no records for the datetime id you included.  Are you SURE that is a datetime related to this ticket?',
-                    'event_espresso'
-                ),
-                __FILE__,
-                __FUNCTION__,
-                __LINE__
-            );
-            return $total;
-        }
-        return empty($dtt_id) ? $tickets_sold['datetime'] : $tickets_sold['datetime'][ $dtt_id ];
-    }
-
-
-    /**
-     * This returns an array indexed by datetime_id for tickets sold with this ticket.
-     *
-     * @return EE_Ticket[]
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    protected function _all_tickets_sold()
-    {
-        $datetimes    = $this->get_many_related('Datetime');
-        $tickets_sold = [];
-        if (! empty($datetimes)) {
-            foreach ($datetimes as $datetime) {
-                $tickets_sold['datetime'][ $datetime->ID() ] = $datetime->get('DTT_sold');
-            }
-        }
-        // Tickets sold
-        $tickets_sold['ticket'] = $this->sold();
-        return $tickets_sold;
-    }
-
-
-    /**
-     * This returns the base price object for the ticket.
-     *
-     * @param bool $return_array whether to return as an array indexed by price id or just the object.
-     * @return EE_Price|EE_Base_Class|EE_Price[]|EE_Base_Class[]
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function base_price($return_array = false)
-    {
-        $_where = ['Price_Type.PBT_ID' => EEM_Price_Type::base_type_base_price];
-        return $return_array
-            ? $this->get_many_related('Price', [$_where])
-            : $this->get_first_related('Price', [$_where]);
-    }
-
-
-    /**
-     * This returns ONLY the price modifiers for the ticket (i.e. no taxes or base price)
-     *
-     * @access public
-     * @return EE_Price[]
-     * @throws EE_Error|ReflectionException
-     */
-    public function price_modifiers()
-    {
-        $query_params = [
-            0 => [
-                'Price_Type.PBT_ID' => [
-                    'NOT IN',
-                    [EEM_Price_Type::base_type_base_price, EEM_Price_Type::base_type_tax],
-                ],
-            ],
-        ];
-        return $this->prices($query_params);
-    }
-
-
-    /**
-     * Gets all the prices that combine to form the final price of this ticket
-     *
-     * @param array $query_params
-     * @return EE_Price[]|EE_Base_Class[]
-     * @throws EE_Error
-     * @throws ReflectionException
-     * @see  https://github.com/eventespresso/event-espresso-core/tree/master/docs/G--Model-System/model-query-params.md
-     */
-    public function prices($query_params = [])
-    {
-        return $this->get_many_related('Price', $query_params);
-    }
-
-
-    /**
-     * Gets all the ticket applicabilities (ie, relations between datetimes and tickets)
-     *
-     * @param array $query_params
-     * @return EE_Datetime_Ticket|EE_Base_Class[]
-     * @throws EE_Error
-     * @throws ReflectionException
-     * @see  https://github.com/eventespresso/event-espresso-core/tree/master/docs/G--Model-System/model-query-params.md
-     */
-    public function datetime_tickets($query_params = [])
-    {
-        return $this->get_many_related('Datetime_Ticket', $query_params);
-    }
-
-
-    /**
-     * Gets all the datetimes from the db ordered by DTT_order
-     *
-     * @param boolean $show_expired
-     * @param boolean $show_deleted
-     * @return EE_Datetime[]
-     * @throws EE_Error|ReflectionException
-     */
-    public function datetimes_ordered($show_expired = true, $show_deleted = false)
-    {
-        return EEM_Datetime::instance($this->_timezone)->get_datetimes_for_ticket_ordered_by_DTT_order(
-            $this->ID(),
-            $show_expired,
-            $show_deleted
-        );
-    }
-
-
-    /**
-     * Gets ID
-     *
-     * @return int
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function ID()
-    {
-        return (int) $this->get('TKT_ID');
-    }
-
-
-    /**
-     * get the author of the ticket.
-     *
-     * @return int
-     * @throws EE_Error
-     * @throws ReflectionException
-     * @since 4.5.0
-     */
-    public function wp_user()
-    {
-        return $this->get('TKT_wp_user');
-    }
-
-
-    /**
-     * Gets the template for the ticket
-     *
-     * @return EE_Ticket_Template|EE_Base_Class
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function template()
-    {
-        return $this->get_first_related('Ticket_Template');
-    }
-
-
-    /**
-     * Simply returns an array of EE_Price objects that are taxes.
-     *
-     * @return EE_Price[]
-     * @throws EE_Error
-     */
-    public function get_ticket_taxes_for_admin()
-    {
-        return EE_Taxes::get_taxes_for_admin();
-    }
-
-
-    /**
-     * @return float
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function ticket_price()
-    {
-        return $this->get('TKT_price');
-    }
-
-
-    /**
-     * @param string|null $schema
-     * @return mixed
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function pretty_price($schema = 'localized_currency')
-    {
-        return $this->get_pretty('TKT_price', $schema);
-    }
-
-
-    /**
-     * @return bool
-     * @throws EE_Error|ReflectionException
-     */
-    public function is_free()
-    {
-        return $this->get_ticket_total_with_taxes() === (float) 0;
-    }
-
-
-    /**
-     * get_ticket_total_with_taxes
-     *
-     * @param bool $no_cache
-     * @return float
-     * @throws EE_Error|ReflectionException
-     */
-    public function get_ticket_total_with_taxes($no_cache = false)
-    {
-        if ($this->_ticket_total_with_taxes === null || $no_cache) {
-            $this->_ticket_total_with_taxes = $this->get_ticket_subtotal() + $this->get_ticket_taxes_total_for_admin();
-        }
-        return (float) $this->_ticket_total_with_taxes;
-    }
-
-
-    /**
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function ensure_TKT_Price_correct()
-    {
-        $this->set_price(EE_Taxes::get_subtotal_for_admin($this));
-        $this->save();
-    }
-
-
-    /**
-     * @return float
-     * @throws EE_Error|ReflectionException
-     */
-    public function get_ticket_subtotal()
-    {
-        return EE_Taxes::get_subtotal_for_admin($this);
-    }
-
-
-    /**
-     * Returns the total taxes applied to this ticket
-     *
-     * @return float
-     * @throws EE_Error|ReflectionException
-     */
-    public function get_ticket_taxes_total_for_admin()
-    {
-        return EE_Taxes::get_total_taxes_for_admin($this);
-    }
-
-
-    /**
-     * Sets name
-     *
-     * @param string $name
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function set_name($name)
-    {
-        $this->set('TKT_name', $name);
-    }
-
-
-    /**
-     * Gets description
-     *
-     * @return string
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function description()
-    {
-        return $this->get('TKT_description');
-    }
-
-
-    /**
-     * Sets description
-     *
-     * @param string $description
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function set_description($description)
-    {
-        $this->set('TKT_description', $description);
-    }
-
-
-    /**
-     * Gets start_date
-     *
-     * @param string $date_format
-     * @param string $time_format
-     * @return string
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function start_date($date_format = '', $time_format = '')
-    {
-        return $this->_get_datetime('TKT_start_date', $date_format, $time_format);
-    }
-
-
-    /**
-     * Sets start_date
-     *
-     * @param string $start_date
-     * @return void
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function set_start_date($start_date)
-    {
-        $this->_set_date_time('B', $start_date, 'TKT_start_date');
-    }
-
-
-    /**
-     * Gets end_date
-     *
-     * @param string $date_format
-     * @param string $time_format
-     * @return string
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function end_date($date_format = '', $time_format = '')
-    {
-        return $this->_get_datetime('TKT_end_date', $date_format, $time_format);
-    }
-
-
-    /**
-     * Sets end_date
-     *
-     * @param string $end_date
-     * @return void
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function set_end_date($end_date)
-    {
-        $this->_set_date_time('B', $end_date, 'TKT_end_date');
-    }
-
-
-    /**
-     * Sets sell until time
-     *
-     * @param string $time a string representation of the sell until time (ex 9am or 7:30pm)
-     * @throws EE_Error
-     * @throws ReflectionException
-     * @since 4.5.0
-     */
-    public function set_end_time($time)
-    {
-        $this->_set_time_for($time, 'TKT_end_date');
-    }
-
-
-    /**
-     * Sets min
-     *
-     * @param int $min
-     * @return void
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function set_min($min)
-    {
-        $this->set('TKT_min', $min);
-    }
-
-
-    /**
-     * Gets max
-     *
-     * @return int
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function max()
-    {
-        return $this->get('TKT_max');
-    }
-
-
-    /**
-     * Sets max
-     *
-     * @param int $max
-     * @return void
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function set_max($max)
-    {
-        $this->set('TKT_max', $max);
-    }
-
-
-    /**
-     * Sets price
-     *
-     * @param float $price
-     * @return void
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function set_price($price)
-    {
-        $this->set('TKT_price', $price);
-    }
-
-
-    /**
-     * Gets sold
-     *
-     * @return int
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function sold()
-    {
-        return $this->get_raw('TKT_sold');
-    }
-
-
-    /**
-     * Sets sold
-     *
-     * @param int $sold
-     * @return void
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function set_sold($sold)
-    {
-        // sold can not go below zero
-        $sold = max(0, absint($sold));
-        $this->set('TKT_sold', $sold);
-    }
-
-
-    /**
-     * Increments sold by amount passed by $qty AND decrements the reserved count on both this ticket and its
-     * associated datetimes.
-     *
-     * @param int $qty
-     * @return boolean
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     * @since 4.9.80.p
-     */
-    public function increaseSold($qty = 1)
-    {
-        $qty = absint($qty);
-        // increment sold and decrement reserved datetime quantities simultaneously
-        // don't worry about failures, because they must have already had a spot reserved
-        $this->increaseSoldForDatetimes($qty);
-        // Increment and decrement ticket quantities simultaneously
-        $success = $this->adjustNumericFieldsInDb(
-            [
-                'TKT_reserved' => $qty * -1,
-                'TKT_sold'     => $qty,
-            ]
-        );
-        do_action(
-            'AHEE__EE_Ticket__increase_sold',
-            $this,
-            $qty,
-            $this->sold(),
-            $success
-        );
-        return $success;
-    }
-
-
-    /**
-     * On each datetime related to this ticket, increases its sold count and decreases its reserved count by $qty.
-     *
-     * @param int           $qty positive or negative. Positive means to increase sold counts (and decrease reserved
-     *                           counts), Negative means to decreases old counts (and increase reserved counts).
-     * @param EE_Datetime[] $datetimes
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     * @since 4.9.80.p
-     */
-    protected function increaseSoldForDatetimes($qty, array $datetimes = [])
-    {
-        $datetimes = ! empty($datetimes) ? $datetimes : $this->datetimes();
-        foreach ($datetimes as $datetime) {
-            $datetime->increaseSold($qty);
-        }
-    }
-
-
-    /**
-     * Decrements (subtracts) sold by amount passed by $qty on both the ticket and its related datetimes directly in the
-     * DB and then updates the model objects.
-     * Does not affect the reserved counts.
-     *
-     * @param int $qty
-     * @return boolean
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     * @since 4.9.80.p
-     */
-    public function decreaseSold($qty = 1)
-    {
-        $qty = absint($qty);
-        $this->decreaseSoldForDatetimes($qty);
-        $success = $this->adjustNumericFieldsInDb(
-            [
-                'TKT_sold' => $qty * -1,
-            ]
-        );
-        do_action(
-            'AHEE__EE_Ticket__decrease_sold',
-            $this,
-            $qty,
-            $this->sold(),
-            $success
-        );
-        return $success;
-    }
-
-
-    /**
-     * Decreases sold on related datetimes
-     *
-     * @param int           $qty
-     * @param EE_Datetime[] $datetimes
-     * @return void
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     * @since 4.9.80.p
-     */
-    protected function decreaseSoldForDatetimes($qty = 1, array $datetimes = [])
-    {
-        $datetimes = ! empty($datetimes) ? $datetimes : $this->datetimes();
-        if (is_array($datetimes)) {
-            foreach ($datetimes as $datetime) {
-                if ($datetime instanceof EE_Datetime) {
-                    $datetime->decreaseSold($qty);
-                }
-            }
-        }
-    }
-
-
-    /**
-     * Gets qty of reserved tickets
-     *
-     * @return int
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function reserved()
-    {
-        return $this->get_raw('TKT_reserved');
-    }
-
-
-    /**
-     * Sets reserved
-     *
-     * @param int $reserved
-     * @return void
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function set_reserved($reserved)
-    {
-        // reserved can not go below zero
-        $reserved = max(0, (int) $reserved);
-        $this->set('TKT_reserved', $reserved);
-    }
-
-
-    /**
-     * Increments reserved by amount passed by $qty, and persists it immediately to the database.
-     *
-     * @param int    $qty
-     * @param string $source
-     * @return bool whether we successfully reserved the ticket or not.
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws ReflectionException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @since 4.9.80.p
-     */
-    public function increaseReserved($qty = 1, $source = 'unknown')
-    {
-        $qty = absint($qty);
-        do_action(
-            'AHEE__EE_Ticket__increase_reserved__begin',
-            $this,
-            $qty,
-            $source
-        );
-        $this->add_extra_meta(EE_Ticket::META_KEY_TICKET_RESERVATIONS, "{$qty} from {$source}");
-        $success                         = false;
-        $datetimes_adjusted_successfully = $this->increaseReservedForDatetimes($qty);
-        if ($datetimes_adjusted_successfully) {
-            $success = $this->incrementFieldConditionallyInDb(
-                'TKT_reserved',
-                'TKT_sold',
-                'TKT_qty',
-                $qty
-            );
-            if (! $success) {
-                // The datetimes were successfully bumped, but not the
-                // ticket. So we need to manually rollback the datetimes.
-                $this->decreaseReservedForDatetimes($qty);
-            }
-        }
-        do_action(
-            'AHEE__EE_Ticket__increase_reserved',
-            $this,
-            $qty,
-            $this->reserved(),
-            $success
-        );
-        return $success;
-    }
-
-
-    /**
-     * Increases reserved counts on related datetimes
-     *
-     * @param int           $qty
-     * @param EE_Datetime[] $datetimes
-     * @return boolean indicating success
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     * @since 4.9.80.p
-     */
-    protected function increaseReservedForDatetimes($qty = 1, array $datetimes = [])
-    {
-        $datetimes         = ! empty($datetimes) ? $datetimes : $this->datetimes();
-        $datetimes_updated = [];
-        $limit_exceeded    = false;
-        if (is_array($datetimes)) {
-            foreach ($datetimes as $datetime) {
-                if ($datetime instanceof EE_Datetime) {
-                    if ($datetime->increaseReserved($qty)) {
-                        $datetimes_updated[] = $datetime;
-                    } else {
-                        $limit_exceeded = true;
-                        break;
-                    }
-                }
-            }
-            // If somewhere along the way we detected a datetime whose
-            // limit was exceeded, do a manual rollback.
-            if ($limit_exceeded) {
-                $this->decreaseReservedForDatetimes($qty, $datetimes_updated);
-                return false;
-            }
-        }
-        return true;
-    }
-
-
-    /**
-     * Decrements (subtracts) reserved by amount passed by $qty, and persists it immediately to the database.
-     *
-     * @param int    $qty
-     * @param bool   $adjust_datetimes
-     * @param string $source
-     * @return boolean
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws ReflectionException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @since 4.9.80.p
-     */
-    public function decreaseReserved($qty = 1, $adjust_datetimes = true, $source = 'unknown')
-    {
-        $qty = absint($qty);
-        $this->add_extra_meta(EE_Ticket::META_KEY_TICKET_RESERVATIONS, "-{$qty} from {$source}");
-        if ($adjust_datetimes) {
-            $this->decreaseReservedForDatetimes($qty);
-        }
-        $success = $this->adjustNumericFieldsInDb(
-            [
-                'TKT_reserved' => $qty * -1,
-            ]
-        );
-        do_action(
-            'AHEE__EE_Ticket__decrease_reserved',
-            $this,
-            $qty,
-            $this->reserved(),
-            $success
-        );
-        return $success;
-    }
-
-
-    /**
-     * Decreases the reserved count on the specified datetimes.
-     *
-     * @param int           $qty
-     * @param EE_Datetime[] $datetimes
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws ReflectionException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @since 4.9.80.p
-     */
-    protected function decreaseReservedForDatetimes($qty = 1, array $datetimes = [])
-    {
-        $datetimes = ! empty($datetimes) ? $datetimes : $this->datetimes();
-        foreach ($datetimes as $datetime) {
-            if ($datetime instanceof EE_Datetime) {
-                $datetime->decreaseReserved($qty);
-            }
-        }
-    }
-
-
-    /**
-     * Gets ticket quantity
-     *
-     * @param string $context     ticket quantity is somewhat subjective depending on the exact information sought
-     *                            therefore $context can be one of three values: '', 'reg_limit', or 'saleable'
-     *                            '' (default) quantity is the actual db value for TKT_qty, unaffected by other objects
-     *                            REG LIMIT: caps qty based on DTT_reg_limit for ALL related datetimes
-     *                            SALEABLE: also considers datetime sold and returns zero if ANY DTT is sold out, and
-     *                            is therefore the truest measure of tickets that can be purchased at the moment
-     * @return int
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function qty($context = '')
-    {
-        switch ($context) {
-            case 'reg_limit':
-                return $this->real_quantity_on_ticket();
-            case 'saleable':
-                return $this->real_quantity_on_ticket('saleable');
-            default:
-                return $this->get_raw('TKT_qty');
-        }
-    }
-
-
-    /**
-     * Gets ticket quantity
-     *
-     * @param string $context     ticket quantity is somewhat subjective depending on the exact information sought
-     *                            therefore $context can be one of two values: 'reg_limit', or 'saleable'
-     *                            REG LIMIT: caps qty based on DTT_reg_limit for ALL related datetimes
-     *                            SALEABLE: also considers datetime sold and returns zero if ANY DTT is sold out, and
-     *                            is therefore the truest measure of tickets that can be purchased at the moment
-     * @param int    $DTT_ID      the primary key for a particular datetime.
-     *                            set to 0 for all related datetimes
-     * @return int
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function real_quantity_on_ticket($context = 'reg_limit', $DTT_ID = 0)
-    {
-        $raw = $this->get_raw('TKT_qty');
-        // return immediately if it's zero
-        if ($raw === 0) {
-            return $raw;
-        }
-        // echo "\n\n<br />Ticket: " . $this->name() . '<br />';
-        // ensure qty doesn't exceed raw value for THIS ticket
-        $qty = min(EE_INF, $raw);
-        // echo "\n . qty: " . $qty . '<br />';
-        // calculate this ticket's total sales and reservations
-        $sold_and_reserved_for_this_ticket = $this->sold() + $this->reserved();
-        // echo "\n . sold: " . $this->sold() . '<br />';
-        // echo "\n . reserved: " . $this->reserved() . '<br />';
-        // echo "\n . sold_and_reserved_for_this_ticket: " . $sold_and_reserved_for_this_ticket . '<br />';
-        // first we need to calculate the maximum number of tickets available for the datetime
-        // do we want data for one datetime or all of them ?
-        $query_params = $DTT_ID ? [['DTT_ID' => $DTT_ID]] : [];
-        $datetimes    = $this->datetimes($query_params);
-        if (is_array($datetimes) && ! empty($datetimes)) {
-            foreach ($datetimes as $datetime) {
-                if ($datetime instanceof EE_Datetime) {
-                    $datetime->refresh_from_db();
-                    // echo "\n . . datetime name: " . $datetime->name() . '<br />';
-                    // echo "\n . . datetime ID: " . $datetime->ID() . '<br />';
-                    // initialize with no restrictions for each datetime
-                    // but adjust datetime qty based on datetime reg limit
-                    $datetime_qty = min(EE_INF, $datetime->reg_limit());
-                    // echo "\n . . . datetime reg_limit: " . $datetime->reg_limit() . '<br />';
-                    // echo "\n . . . datetime_qty: " . $datetime_qty . '<br />';
-                    // if we want the actual saleable amount, then we need to consider OTHER ticket sales
-                    // and reservations for this datetime, that do NOT include sales and reservations
-                    // for this ticket (so we add $this->sold() and $this->reserved() back in)
-                    if ($context === 'saleable') {
-                        $datetime_qty = max(
-                            $datetime_qty - $datetime->sold_and_reserved() + $sold_and_reserved_for_this_ticket,
-                            0
-                        );
-                        // echo "\n . . . datetime sold: " . $datetime->sold() . '<br />';
-                        // echo "\n . . . datetime reserved: " . $datetime->reserved() . '<br />';
-                        // echo "\n . . . datetime sold_and_reserved: " . $datetime->sold_and_reserved() . '<br />';
-                        // echo "\n . . . datetime_qty: " . $datetime_qty . '<br />';
-                        $datetime_qty = ! $datetime->sold_out() ? $datetime_qty : 0;
-                        // echo "\n . . . datetime_qty: " . $datetime_qty . '<br />';
-                    }
-                    $qty = min($datetime_qty, $qty);
-                    // echo "\n . . qty: " . $qty . '<br />';
-                }
-            }
-        }
-        // NOW that we know the  maximum number of tickets available for the datetime
-        // we can finally factor in the details for this specific ticket
-        if ($qty > 0 && $context === 'saleable') {
-            // and subtract the sales for THIS ticket
-            $qty = max($qty - $sold_and_reserved_for_this_ticket, 0);
-            // echo "\n . qty: " . $qty . '<br />';
-        }
-        // echo "\nFINAL QTY: " . $qty . "<br /><br />";
-        return $qty;
-    }
-
-
-    /**
-     * Sets qty - IMPORTANT!!! Does NOT allow QTY to be set higher than the lowest reg limit of any related datetimes
-     *
-     * @param int $qty
-     * @return void
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function set_qty($qty)
-    {
-        $datetimes = $this->datetimes();
-        foreach ($datetimes as $datetime) {
-            if ($datetime instanceof EE_Datetime) {
-                $qty = min($qty, $datetime->reg_limit());
-            }
-        }
-        $this->set('TKT_qty', $qty);
-    }
-
-
-    /**
-     * Gets uses
-     *
-     * @return int
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function uses()
-    {
-        return $this->get('TKT_uses');
-    }
-
-
-    /**
-     * Sets uses
-     *
-     * @param int $uses
-     * @return void
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function set_uses($uses)
-    {
-        $this->set('TKT_uses', $uses);
-    }
-
-
-    /**
-     * returns whether ticket is required or not.
-     *
-     * @return boolean
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function required()
-    {
-        return $this->get('TKT_required');
-    }
-
-
-    /**
-     * sets the TKT_required property
-     *
-     * @param boolean $required
-     * @return void
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function set_required($required)
-    {
-        $this->set('TKT_required', $required);
-    }
-
-
-    /**
-     * Gets taxable
-     *
-     * @return boolean
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function taxable()
-    {
-        return $this->get('TKT_taxable');
-    }
-
-
-    /**
-     * Sets taxable
-     *
-     * @param boolean $taxable
-     * @return void
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function set_taxable($taxable)
-    {
-        $this->set('TKT_taxable', $taxable);
-    }
-
-
-    /**
-     * Gets is_default
-     *
-     * @return boolean
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function is_default()
-    {
-        return $this->get('TKT_is_default');
-    }
-
-
-    /**
-     * Sets is_default
-     *
-     * @param boolean $is_default
-     * @return void
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function set_is_default($is_default)
-    {
-        $this->set('TKT_is_default', $is_default);
-    }
-
-
-    /**
-     * Gets order
-     *
-     * @return int
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function order()
-    {
-        return $this->get('TKT_order');
-    }
-
-
-    /**
-     * Sets order
-     *
-     * @param int $order
-     * @return void
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function set_order($order)
-    {
-        $this->set('TKT_order', $order);
-    }
-
-
-    /**
-     * Gets row
-     *
-     * @return int
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function row()
-    {
-        return $this->get('TKT_row');
-    }
-
-
-    /**
-     * Sets row
-     *
-     * @param int $row
-     * @return void
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function set_row($row)
-    {
-        $this->set('TKT_row', $row);
-    }
-
-
-    /**
-     * Gets deleted
-     *
-     * @return boolean
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function deleted()
-    {
-        return $this->get('TKT_deleted');
-    }
-
-
-    /**
-     * Sets deleted
-     *
-     * @param boolean $deleted
-     * @return void
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function set_deleted($deleted)
-    {
-        $this->set('TKT_deleted', $deleted);
-    }
-
-
-    /**
-     * Gets parent
-     *
-     * @return int
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function parent_ID()
-    {
-        return $this->get('TKT_parent');
-    }
-
-
-    /**
-     * Sets parent
-     *
-     * @param int $parent
-     * @return void
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function set_parent_ID($parent)
-    {
-        $this->set('TKT_parent', $parent);
-    }
-
-
-    /**
-     * Gets a string which is handy for showing in gateways etc that describes the ticket.
-     *
-     * @return string
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function name_and_info()
-    {
-        $times = [];
-        foreach ($this->datetimes() as $datetime) {
-            $times[] = $datetime->start_date_and_time();
-        }
-        return $this->name() . ' @ ' . implode(', ', $times) . ' for ' . $this->pretty_price();
-    }
-
-
-    /**
-     * Gets name
-     *
-     * @return string
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function name()
-    {
-        return $this->get('TKT_name');
-    }
-
-
-    /**
-     * Gets price
-     *
-     * @return float
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function price()
-    {
-        return $this->get('TKT_price');
-    }
-
-
-    /**
-     * Gets all the registrations for this ticket
-     *
-     * @param array $query_params
-     * @return EE_Registration[]|EE_Base_Class[]
-     * @throws EE_Error
-     * @throws ReflectionException
-     * @see https://github.com/eventespresso/event-espresso-core/tree/master/docs/G--Model-System/model-query-params.md
-     */
-    public function registrations($query_params = [])
-    {
-        return $this->get_many_related('Registration', $query_params);
-    }
-
-
-    /**
-     * Updates the TKT_sold attribute (and saves) based on the number of APPROVED registrations for this ticket.
-     *
-     * @return int
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function update_tickets_sold()
-    {
-        $count_regs_for_this_ticket = $this->count_registrations(
-            [
-                [
-                    'STS_ID'      => EEM_Registration::status_id_approved,
-                    'REG_deleted' => 0,
-                ],
-            ]
-        );
-        $this->set_sold($count_regs_for_this_ticket);
-        $this->save();
-        return $count_regs_for_this_ticket;
-    }
-
-
-    /**
-     * Counts the registrations for this ticket
-     *
-     * @param array $query_params
-     * @return int
-     * @throws EE_Error
-     * @throws ReflectionException
-     * @see https://github.com/eventespresso/event-espresso-core/tree/master/docs/G--Model-System/model-query-params.md
-     */
-    public function count_registrations($query_params = [])
-    {
-        return $this->count_related('Registration', $query_params);
-    }
-
-
-    /**
-     * Implementation for EEI_Has_Icon interface method.
-     *
-     * @return string
-     * @see EEI_Visual_Representation for comments
-     */
-    public function get_icon()
-    {
-        return '<span class="dashicons dashicons-tickets-alt"></span>';
-    }
-
-
-    /**
-     * Implementation of the EEI_Event_Relation interface method
-     *
-     * @return EE_Event
-     * @throws EE_Error
-     * @throws UnexpectedEntityException
-     * @throws ReflectionException
-     * @see EEI_Event_Relation for comments
-     */
-    public function get_related_event()
-    {
-        // get one datetime to use for getting the event
-        $datetime = $this->first_datetime();
-        if (! $datetime instanceof EE_Datetime) {
-            throw new UnexpectedEntityException(
-                $datetime,
-                'EE_Datetime',
-                sprintf(
-                    esc_html__('The ticket (%s) is not associated with any valid datetimes.', 'event_espresso'),
-                    $this->name()
-                )
-            );
-        }
-        $event = $datetime->event();
-        if (! $event instanceof EE_Event) {
-            throw new UnexpectedEntityException(
-                $event,
-                'EE_Event',
-                sprintf(
-                    esc_html__('The ticket (%s) is not associated with a valid event.', 'event_espresso'),
-                    $this->name()
-                )
-            );
-        }
-        return $event;
-    }
-
-
-    /**
-     * Implementation of the EEI_Event_Relation interface method
-     *
-     * @return string
-     * @throws UnexpectedEntityException
-     * @throws EE_Error
-     * @throws ReflectionException
-     * @see EEI_Event_Relation for comments
-     */
-    public function get_event_name()
-    {
-        $event = $this->get_related_event();
-        return $event instanceof EE_Event ? $event->name() : '';
-    }
-
-
-    /**
-     * Implementation of the EEI_Event_Relation interface method
-     *
-     * @return int
-     * @throws UnexpectedEntityException
-     * @throws EE_Error
-     * @throws ReflectionException
-     * @see EEI_Event_Relation for comments
-     */
-    public function get_event_ID()
-    {
-        $event = $this->get_related_event();
-        return $event instanceof EE_Event ? $event->ID() : 0;
-    }
-
-
-    /**
-     * This simply returns whether a ticket can be permanently deleted or not.
-     * The criteria for determining this is whether the ticket has any related registrations.
-     * If there are none then it can be permanently deleted.
-     *
-     * @return bool
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function is_permanently_deleteable()
-    {
-        return $this->count_registrations() === 0;
-    }
-
-
-    /*******************************************************************
+	/**
+	 * The following constants are used by the ticket_status() method to indicate whether a ticket is on sale or not.
+	 */
+	const sold_out = 'TKS';
+
+	/**
+	 *
+	 */
+	const expired = 'TKE';
+
+	/**
+	 *
+	 */
+	const archived = 'TKA';
+
+	/**
+	 *
+	 */
+	const pending = 'TKP';
+
+	/**
+	 *
+	 */
+	const onsale = 'TKO';
+
+	/**
+	 * extra meta key for tracking ticket reservations
+	 *
+	 * @type string
+	 */
+	const META_KEY_TICKET_RESERVATIONS = 'ticket_reservations';
+
+	/**
+	 * cached result from method of the same name
+	 *
+	 * @var float $_ticket_total_with_taxes
+	 */
+	private $_ticket_total_with_taxes;
+
+
+	/**
+	 * @param array  $props_n_values          incoming values
+	 * @param string $timezone                incoming timezone (if not set the timezone set for the website will be
+	 *                                        used.)
+	 * @param array  $date_formats            incoming date_formats in an array where the first value is the
+	 *                                        date_format and the second value is the time format
+	 * @return EE_Ticket
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public static function new_instance($props_n_values = [], $timezone = null, $date_formats = [])
+	{
+		$ticket = parent::_check_for_object($props_n_values, __CLASS__, $timezone, $date_formats);
+		if (! $ticket instanceof EE_Ticket) {
+			$ticket = new EE_Ticket($props_n_values, false, $timezone, $date_formats);
+		}
+		return $ticket;
+	}
+
+
+	/**
+	 * @param array  $props_n_values  incoming values from the database
+	 * @param string $timezone        incoming timezone as set by the model.  If not set the timezone for
+	 *                                the website will be used.
+	 * @return EE_Ticket
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public static function new_instance_from_db($props_n_values = [], $timezone = null)
+	{
+		return new self($props_n_values, true, $timezone);
+	}
+
+
+	/**
+	 * @param array  $props_n_values
+	 * @param bool   $bydb
+	 * @param string $timezone
+	 * @param array  $date_formats            incoming date_formats in an array where the first value is the
+	 *                                        date_format and the second value is the time format
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	protected function __construct($props_n_values = [], $bydb = false, $timezone = '', $date_formats = [])
+	{
+		parent::__construct($props_n_values, $bydb, $timezone, $date_formats);
+	}
+
+
+	/**
+	 * @return bool
+	 * @throws EE_Error|ReflectionException
+	 */
+	public function parent()
+	{
+		return $this->get('TKT_parent');
+	}
+
+
+	/**
+	 * return if a ticket has quantities available for purchase
+	 *
+	 * @param int $DTT_ID the primary key for a particular datetime
+	 * @return boolean
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function available($DTT_ID = 0)
+	{
+		// are we checking availability for a particular datetime ?
+		if ($DTT_ID) {
+			// get that datetime object
+			$datetime = $this->get_first_related('Datetime', [['DTT_ID' => $DTT_ID]]);
+			// if  ticket sales for this datetime have exceeded the reg limit...
+			if ($datetime instanceof EE_Datetime && $datetime->sold_out()) {
+				return false;
+			}
+		}
+		// datetime is still open for registration, but is this ticket sold out ?
+		return $this->qty() < 1 || $this->qty() > $this->sold();
+	}
+
+
+	/**
+	 * Using the start date and end date this method calculates whether the ticket is On Sale, Pending, or Expired
+	 *
+	 * @param bool        $display   true = we'll return a localized string, otherwise we just return the value of the
+	 *                               relevant status const
+	 * @param bool | null $remaining if it is already known that tickets are available, then simply pass a bool to save
+	 *                               further processing
+	 * @return mixed status int if the display string isn't requested
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function ticket_status($display = false, $remaining = null)
+	{
+		$remaining = is_bool($remaining) ? $remaining : $this->is_remaining();
+		if (! $remaining) {
+			return $display
+				? EEH_Template::pretty_status(EE_Ticket::sold_out, false, 'sentence')
+				: EE_Ticket::sold_out;
+		}
+		if ($this->get('TKT_deleted')) {
+			return $display
+				? EEH_Template::pretty_status(EE_Ticket::archived, false, 'sentence')
+				: EE_Ticket::archived;
+		}
+		if ($this->is_expired()) {
+			return $display
+				? EEH_Template::pretty_status(EE_Ticket::expired, false, 'sentence')
+				: EE_Ticket::expired;
+		}
+		if ($this->is_pending()) {
+			return $display
+				? EEH_Template::pretty_status(EE_Ticket::pending, false, 'sentence')
+				: EE_Ticket::pending;
+		}
+		if ($this->is_on_sale()) {
+			return $display
+				? EEH_Template::pretty_status(EE_Ticket::onsale, false, 'sentence')
+				: EE_Ticket::onsale;
+		}
+		return '';
+	}
+
+
+	/**
+	 * The purpose of this method is to simply return a boolean for whether there are any tickets remaining for sale
+	 * considering ALL the factors used for figuring that out.
+	 *
+	 * @access public
+	 * @param int $DTT_ID if an int above 0 is included here then we get a specific dtt.
+	 * @return boolean         true = tickets remaining, false not.
+	 * @throws EE_Error|ReflectionException
+	 */
+	public function is_remaining($DTT_ID = 0)
+	{
+		$num_remaining = $this->remaining($DTT_ID);
+		if ($num_remaining === 0) {
+			return false;
+		}
+		if ($num_remaining > 0 && $num_remaining < $this->min()) {
+			return false;
+		}
+		return true;
+	}
+
+
+	/**
+	 * return the total number of tickets available for purchase
+	 *
+	 * @param int $DTT_ID  the primary key for a particular datetime.
+	 *                     set to 0 for all related datetimes
+	 * @return int
+	 * @throws EE_Error|ReflectionException
+	 */
+	public function remaining($DTT_ID = 0)
+	{
+		return $this->real_quantity_on_ticket('saleable', $DTT_ID);
+	}
+
+
+	/**
+	 * Gets min
+	 *
+	 * @return int
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function min()
+	{
+		return $this->get('TKT_min');
+	}
+
+
+	/**
+	 * return if a ticket is no longer available cause its available dates have expired.
+	 *
+	 * @return boolean
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function is_expired()
+	{
+		return ($this->get_raw('TKT_end_date') < time());
+	}
+
+
+	/**
+	 * Return if a ticket is yet to go on sale or not
+	 *
+	 * @return boolean
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function is_pending()
+	{
+		return ($this->get_raw('TKT_start_date') > time());
+	}
+
+
+	/**
+	 * Return if a ticket is on sale or not
+	 *
+	 * @return boolean
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function is_on_sale()
+	{
+		return ($this->get_raw('TKT_start_date') < time() && $this->get_raw('TKT_end_date') > time());
+	}
+
+
+	/**
+	 * This returns the chronologically last datetime that this ticket is associated with
+	 *
+	 * @param string $date_format
+	 * @param string $conjunction - conjunction junction what's your function ? this string joins the start date with
+	 *                            the end date ie: Jan 01 "to" Dec 31
+	 * @return string
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function date_range($date_format = '', $conjunction = ' - ')
+	{
+		$date_format = ! empty($date_format) ? $date_format : $this->_dt_frmt;
+		$first_date  = $this->first_datetime() instanceof EE_Datetime
+			? $this->first_datetime()->get_i18n_datetime('DTT_EVT_start', $date_format)
+			: '';
+		$last_date   = $this->last_datetime() instanceof EE_Datetime
+			? $this->last_datetime()->get_i18n_datetime('DTT_EVT_end', $date_format)
+			: '';
+
+		return $first_date && $last_date ? $first_date . $conjunction . $last_date : '';
+	}
+
+
+	/**
+	 * This returns the chronologically first datetime that this ticket is associated with
+	 *
+	 * @return EE_Datetime
+	 * @throws EE_Error|ReflectionException
+	 */
+	public function first_datetime()
+	{
+		$datetimes = $this->datetimes(['limit' => 1]);
+		return reset($datetimes);
+	}
+
+
+	/**
+	 * Gets all the datetimes this ticket can be used for attending.
+	 * Unless otherwise specified, orders datetimes by start date.
+	 *
+	 * @param array $query_params
+	 * @return EE_Datetime[]|EE_Base_Class[]
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function datetimes($query_params = [])
+	{
+		if (! isset($query_params['order_by'])) {
+			$query_params['order_by']['DTT_order'] = 'ASC';
+		}
+		return $this->get_many_related('Datetime', $query_params);
+	}
+
+
+	/**
+	 * This returns the chronologically last datetime that this ticket is associated with
+	 *
+	 * @return EE_Datetime
+	 * @throws EE_Error|ReflectionException
+	 */
+	public function last_datetime()
+	{
+		$datetimes = $this->datetimes(['limit' => 1, 'order_by' => ['DTT_EVT_start' => 'DESC']]);
+		return end($datetimes);
+	}
+
+
+	/**
+	 * This returns the total tickets sold depending on the given parameters.
+	 *
+	 * @param string $get_sold_for  Can be one of two options: 'ticket', 'datetime'.
+	 *                              'ticket' = total ticket sales for all datetimes this ticket is related to
+	 *                              'datetime' = total ticket sales for a specified datetime (required $dtt_id)
+	 *                              'datetime' = total ticket sales in the datetime_ticket table.
+	 *                              If $dtt_id is not given then we return an array of sales indexed by datetime.
+	 *                              If $dtt_id IS given then we return the tickets sold for that given datetime.
+	 * @param int    $dtt_id        [optional] include the dtt_id with $what = 'datetime'.
+	 * @return mixed (array|int)    how many tickets have sold
+	 * @throws EE_Error|ReflectionException
+	 */
+	public function tickets_sold($get_sold_for = 'ticket', $dtt_id = null)
+	{
+		$total        = 0;
+		$tickets_sold = $this->_all_tickets_sold();
+
+		if ($get_sold_for === 'ticket') {
+			return $tickets_sold['ticket'];
+		}
+
+		if (empty($tickets_sold['datetime'])) {
+			return $total;
+		}
+
+		if (! empty($dtt_id) && ! isset($tickets_sold['datetime'][ $dtt_id ])) {
+			EE_Error::add_error(
+				esc_html__(
+					'You\'ve requested the amount of tickets sold for a given ticket and datetime, however there are no records for the datetime id you included.  Are you SURE that is a datetime related to this ticket?',
+					'event_espresso'
+				),
+				__FILE__,
+				__FUNCTION__,
+				__LINE__
+			);
+			return $total;
+		}
+		return empty($dtt_id) ? $tickets_sold['datetime'] : $tickets_sold['datetime'][ $dtt_id ];
+	}
+
+
+	/**
+	 * This returns an array indexed by datetime_id for tickets sold with this ticket.
+	 *
+	 * @return EE_Ticket[]
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	protected function _all_tickets_sold()
+	{
+		$datetimes    = $this->get_many_related('Datetime');
+		$tickets_sold = [];
+		if (! empty($datetimes)) {
+			foreach ($datetimes as $datetime) {
+				$tickets_sold['datetime'][ $datetime->ID() ] = $datetime->get('DTT_sold');
+			}
+		}
+		// Tickets sold
+		$tickets_sold['ticket'] = $this->sold();
+		return $tickets_sold;
+	}
+
+
+	/**
+	 * This returns the base price object for the ticket.
+	 *
+	 * @param bool $return_array whether to return as an array indexed by price id or just the object.
+	 * @return EE_Price|EE_Base_Class|EE_Price[]|EE_Base_Class[]
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function base_price($return_array = false)
+	{
+		$_where = ['Price_Type.PBT_ID' => EEM_Price_Type::base_type_base_price];
+		return $return_array
+			? $this->get_many_related('Price', [$_where])
+			: $this->get_first_related('Price', [$_where]);
+	}
+
+
+	/**
+	 * This returns ONLY the price modifiers for the ticket (i.e. no taxes or base price)
+	 *
+	 * @access public
+	 * @return EE_Price[]
+	 * @throws EE_Error|ReflectionException
+	 */
+	public function price_modifiers()
+	{
+		$query_params = [
+			0 => [
+				'Price_Type.PBT_ID' => [
+					'NOT IN',
+					[EEM_Price_Type::base_type_base_price, EEM_Price_Type::base_type_tax],
+				],
+			],
+		];
+		return $this->prices($query_params);
+	}
+
+
+	/**
+	 * Gets all the prices that combine to form the final price of this ticket
+	 *
+	 * @param array $query_params
+	 * @return EE_Price[]|EE_Base_Class[]
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 * @see  https://github.com/eventespresso/event-espresso-core/tree/master/docs/G--Model-System/model-query-params.md
+	 */
+	public function prices($query_params = [])
+	{
+		return $this->get_many_related('Price', $query_params);
+	}
+
+
+	/**
+	 * Gets all the ticket applicabilities (ie, relations between datetimes and tickets)
+	 *
+	 * @param array $query_params
+	 * @return EE_Datetime_Ticket|EE_Base_Class[]
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 * @see  https://github.com/eventespresso/event-espresso-core/tree/master/docs/G--Model-System/model-query-params.md
+	 */
+	public function datetime_tickets($query_params = [])
+	{
+		return $this->get_many_related('Datetime_Ticket', $query_params);
+	}
+
+
+	/**
+	 * Gets all the datetimes from the db ordered by DTT_order
+	 *
+	 * @param boolean $show_expired
+	 * @param boolean $show_deleted
+	 * @return EE_Datetime[]
+	 * @throws EE_Error|ReflectionException
+	 */
+	public function datetimes_ordered($show_expired = true, $show_deleted = false)
+	{
+		return EEM_Datetime::instance($this->_timezone)->get_datetimes_for_ticket_ordered_by_DTT_order(
+			$this->ID(),
+			$show_expired,
+			$show_deleted
+		);
+	}
+
+
+	/**
+	 * Gets ID
+	 *
+	 * @return int
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function ID()
+	{
+		return (int) $this->get('TKT_ID');
+	}
+
+
+	/**
+	 * get the author of the ticket.
+	 *
+	 * @return int
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 * @since 4.5.0
+	 */
+	public function wp_user()
+	{
+		return $this->get('TKT_wp_user');
+	}
+
+
+	/**
+	 * Gets the template for the ticket
+	 *
+	 * @return EE_Ticket_Template|EE_Base_Class
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function template()
+	{
+		return $this->get_first_related('Ticket_Template');
+	}
+
+
+	/**
+	 * Simply returns an array of EE_Price objects that are taxes.
+	 *
+	 * @return EE_Price[]
+	 * @throws EE_Error
+	 */
+	public function get_ticket_taxes_for_admin()
+	{
+		return EE_Taxes::get_taxes_for_admin();
+	}
+
+
+	/**
+	 * @return float
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function ticket_price()
+	{
+		return $this->get('TKT_price');
+	}
+
+
+	/**
+	 * @param string|null $schema
+	 * @return mixed
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function pretty_price($schema = 'localized_currency')
+	{
+		return $this->get_pretty('TKT_price', $schema);
+	}
+
+
+	/**
+	 * @return bool
+	 * @throws EE_Error|ReflectionException
+	 */
+	public function is_free()
+	{
+		return $this->get_ticket_total_with_taxes() === (float) 0;
+	}
+
+
+	/**
+	 * get_ticket_total_with_taxes
+	 *
+	 * @param bool $no_cache
+	 * @return float
+	 * @throws EE_Error|ReflectionException
+	 */
+	public function get_ticket_total_with_taxes($no_cache = false)
+	{
+		if ($this->_ticket_total_with_taxes === null || $no_cache) {
+			$this->_ticket_total_with_taxes = $this->get_ticket_subtotal() + $this->get_ticket_taxes_total_for_admin();
+		}
+		return (float) $this->_ticket_total_with_taxes;
+	}
+
+
+	/**
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function ensure_TKT_Price_correct()
+	{
+		$this->set_price(EE_Taxes::get_subtotal_for_admin($this));
+		$this->save();
+	}
+
+
+	/**
+	 * @return float
+	 * @throws EE_Error|ReflectionException
+	 */
+	public function get_ticket_subtotal()
+	{
+		return EE_Taxes::get_subtotal_for_admin($this);
+	}
+
+
+	/**
+	 * Returns the total taxes applied to this ticket
+	 *
+	 * @return float
+	 * @throws EE_Error|ReflectionException
+	 */
+	public function get_ticket_taxes_total_for_admin()
+	{
+		return EE_Taxes::get_total_taxes_for_admin($this);
+	}
+
+
+	/**
+	 * Sets name
+	 *
+	 * @param string $name
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function set_name($name)
+	{
+		$this->set('TKT_name', $name);
+	}
+
+
+	/**
+	 * Gets description
+	 *
+	 * @return string
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function description()
+	{
+		return $this->get('TKT_description');
+	}
+
+
+	/**
+	 * Sets description
+	 *
+	 * @param string $description
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function set_description($description)
+	{
+		$this->set('TKT_description', $description);
+	}
+
+
+	/**
+	 * Gets start_date
+	 *
+	 * @param string $date_format
+	 * @param string $time_format
+	 * @return string
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function start_date($date_format = '', $time_format = '')
+	{
+		return $this->_get_datetime('TKT_start_date', $date_format, $time_format);
+	}
+
+
+	/**
+	 * Sets start_date
+	 *
+	 * @param string $start_date
+	 * @return void
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function set_start_date($start_date)
+	{
+		$this->_set_date_time('B', $start_date, 'TKT_start_date');
+	}
+
+
+	/**
+	 * Gets end_date
+	 *
+	 * @param string $date_format
+	 * @param string $time_format
+	 * @return string
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function end_date($date_format = '', $time_format = '')
+	{
+		return $this->_get_datetime('TKT_end_date', $date_format, $time_format);
+	}
+
+
+	/**
+	 * Sets end_date
+	 *
+	 * @param string $end_date
+	 * @return void
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function set_end_date($end_date)
+	{
+		$this->_set_date_time('B', $end_date, 'TKT_end_date');
+	}
+
+
+	/**
+	 * Sets sell until time
+	 *
+	 * @param string $time a string representation of the sell until time (ex 9am or 7:30pm)
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 * @since 4.5.0
+	 */
+	public function set_end_time($time)
+	{
+		$this->_set_time_for($time, 'TKT_end_date');
+	}
+
+
+	/**
+	 * Sets min
+	 *
+	 * @param int $min
+	 * @return void
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function set_min($min)
+	{
+		$this->set('TKT_min', $min);
+	}
+
+
+	/**
+	 * Gets max
+	 *
+	 * @return int
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function max()
+	{
+		return $this->get('TKT_max');
+	}
+
+
+	/**
+	 * Sets max
+	 *
+	 * @param int $max
+	 * @return void
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function set_max($max)
+	{
+		$this->set('TKT_max', $max);
+	}
+
+
+	/**
+	 * Sets price
+	 *
+	 * @param float $price
+	 * @return void
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function set_price($price)
+	{
+		$this->set('TKT_price', $price);
+	}
+
+
+	/**
+	 * Gets sold
+	 *
+	 * @return int
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function sold()
+	{
+		return $this->get_raw('TKT_sold');
+	}
+
+
+	/**
+	 * Sets sold
+	 *
+	 * @param int $sold
+	 * @return void
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function set_sold($sold)
+	{
+		// sold can not go below zero
+		$sold = max(0, absint($sold));
+		$this->set('TKT_sold', $sold);
+	}
+
+
+	/**
+	 * Increments sold by amount passed by $qty AND decrements the reserved count on both this ticket and its
+	 * associated datetimes.
+	 *
+	 * @param int $qty
+	 * @return boolean
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 * @since 4.9.80.p
+	 */
+	public function increaseSold($qty = 1)
+	{
+		$qty = absint($qty);
+		// increment sold and decrement reserved datetime quantities simultaneously
+		// don't worry about failures, because they must have already had a spot reserved
+		$this->increaseSoldForDatetimes($qty);
+		// Increment and decrement ticket quantities simultaneously
+		$success = $this->adjustNumericFieldsInDb(
+			[
+				'TKT_reserved' => $qty * -1,
+				'TKT_sold'     => $qty,
+			]
+		);
+		do_action(
+			'AHEE__EE_Ticket__increase_sold',
+			$this,
+			$qty,
+			$this->sold(),
+			$success
+		);
+		return $success;
+	}
+
+
+	/**
+	 * On each datetime related to this ticket, increases its sold count and decreases its reserved count by $qty.
+	 *
+	 * @param int           $qty positive or negative. Positive means to increase sold counts (and decrease reserved
+	 *                           counts), Negative means to decreases old counts (and increase reserved counts).
+	 * @param EE_Datetime[] $datetimes
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 * @since 4.9.80.p
+	 */
+	protected function increaseSoldForDatetimes($qty, array $datetimes = [])
+	{
+		$datetimes = ! empty($datetimes) ? $datetimes : $this->datetimes();
+		foreach ($datetimes as $datetime) {
+			$datetime->increaseSold($qty);
+		}
+	}
+
+
+	/**
+	 * Decrements (subtracts) sold by amount passed by $qty on both the ticket and its related datetimes directly in the
+	 * DB and then updates the model objects.
+	 * Does not affect the reserved counts.
+	 *
+	 * @param int $qty
+	 * @return boolean
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 * @since 4.9.80.p
+	 */
+	public function decreaseSold($qty = 1)
+	{
+		$qty = absint($qty);
+		$this->decreaseSoldForDatetimes($qty);
+		$success = $this->adjustNumericFieldsInDb(
+			[
+				'TKT_sold' => $qty * -1,
+			]
+		);
+		do_action(
+			'AHEE__EE_Ticket__decrease_sold',
+			$this,
+			$qty,
+			$this->sold(),
+			$success
+		);
+		return $success;
+	}
+
+
+	/**
+	 * Decreases sold on related datetimes
+	 *
+	 * @param int           $qty
+	 * @param EE_Datetime[] $datetimes
+	 * @return void
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 * @since 4.9.80.p
+	 */
+	protected function decreaseSoldForDatetimes($qty = 1, array $datetimes = [])
+	{
+		$datetimes = ! empty($datetimes) ? $datetimes : $this->datetimes();
+		if (is_array($datetimes)) {
+			foreach ($datetimes as $datetime) {
+				if ($datetime instanceof EE_Datetime) {
+					$datetime->decreaseSold($qty);
+				}
+			}
+		}
+	}
+
+
+	/**
+	 * Gets qty of reserved tickets
+	 *
+	 * @return int
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function reserved()
+	{
+		return $this->get_raw('TKT_reserved');
+	}
+
+
+	/**
+	 * Sets reserved
+	 *
+	 * @param int $reserved
+	 * @return void
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function set_reserved($reserved)
+	{
+		// reserved can not go below zero
+		$reserved = max(0, (int) $reserved);
+		$this->set('TKT_reserved', $reserved);
+	}
+
+
+	/**
+	 * Increments reserved by amount passed by $qty, and persists it immediately to the database.
+	 *
+	 * @param int    $qty
+	 * @param string $source
+	 * @return bool whether we successfully reserved the ticket or not.
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws ReflectionException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @since 4.9.80.p
+	 */
+	public function increaseReserved($qty = 1, $source = 'unknown')
+	{
+		$qty = absint($qty);
+		do_action(
+			'AHEE__EE_Ticket__increase_reserved__begin',
+			$this,
+			$qty,
+			$source
+		);
+		$this->add_extra_meta(EE_Ticket::META_KEY_TICKET_RESERVATIONS, "{$qty} from {$source}");
+		$success                         = false;
+		$datetimes_adjusted_successfully = $this->increaseReservedForDatetimes($qty);
+		if ($datetimes_adjusted_successfully) {
+			$success = $this->incrementFieldConditionallyInDb(
+				'TKT_reserved',
+				'TKT_sold',
+				'TKT_qty',
+				$qty
+			);
+			if (! $success) {
+				// The datetimes were successfully bumped, but not the
+				// ticket. So we need to manually rollback the datetimes.
+				$this->decreaseReservedForDatetimes($qty);
+			}
+		}
+		do_action(
+			'AHEE__EE_Ticket__increase_reserved',
+			$this,
+			$qty,
+			$this->reserved(),
+			$success
+		);
+		return $success;
+	}
+
+
+	/**
+	 * Increases reserved counts on related datetimes
+	 *
+	 * @param int           $qty
+	 * @param EE_Datetime[] $datetimes
+	 * @return boolean indicating success
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 * @since 4.9.80.p
+	 */
+	protected function increaseReservedForDatetimes($qty = 1, array $datetimes = [])
+	{
+		$datetimes         = ! empty($datetimes) ? $datetimes : $this->datetimes();
+		$datetimes_updated = [];
+		$limit_exceeded    = false;
+		if (is_array($datetimes)) {
+			foreach ($datetimes as $datetime) {
+				if ($datetime instanceof EE_Datetime) {
+					if ($datetime->increaseReserved($qty)) {
+						$datetimes_updated[] = $datetime;
+					} else {
+						$limit_exceeded = true;
+						break;
+					}
+				}
+			}
+			// If somewhere along the way we detected a datetime whose
+			// limit was exceeded, do a manual rollback.
+			if ($limit_exceeded) {
+				$this->decreaseReservedForDatetimes($qty, $datetimes_updated);
+				return false;
+			}
+		}
+		return true;
+	}
+
+
+	/**
+	 * Decrements (subtracts) reserved by amount passed by $qty, and persists it immediately to the database.
+	 *
+	 * @param int    $qty
+	 * @param bool   $adjust_datetimes
+	 * @param string $source
+	 * @return boolean
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws ReflectionException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @since 4.9.80.p
+	 */
+	public function decreaseReserved($qty = 1, $adjust_datetimes = true, $source = 'unknown')
+	{
+		$qty = absint($qty);
+		$this->add_extra_meta(EE_Ticket::META_KEY_TICKET_RESERVATIONS, "-{$qty} from {$source}");
+		if ($adjust_datetimes) {
+			$this->decreaseReservedForDatetimes($qty);
+		}
+		$success = $this->adjustNumericFieldsInDb(
+			[
+				'TKT_reserved' => $qty * -1,
+			]
+		);
+		do_action(
+			'AHEE__EE_Ticket__decrease_reserved',
+			$this,
+			$qty,
+			$this->reserved(),
+			$success
+		);
+		return $success;
+	}
+
+
+	/**
+	 * Decreases the reserved count on the specified datetimes.
+	 *
+	 * @param int           $qty
+	 * @param EE_Datetime[] $datetimes
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws ReflectionException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @since 4.9.80.p
+	 */
+	protected function decreaseReservedForDatetimes($qty = 1, array $datetimes = [])
+	{
+		$datetimes = ! empty($datetimes) ? $datetimes : $this->datetimes();
+		foreach ($datetimes as $datetime) {
+			if ($datetime instanceof EE_Datetime) {
+				$datetime->decreaseReserved($qty);
+			}
+		}
+	}
+
+
+	/**
+	 * Gets ticket quantity
+	 *
+	 * @param string $context     ticket quantity is somewhat subjective depending on the exact information sought
+	 *                            therefore $context can be one of three values: '', 'reg_limit', or 'saleable'
+	 *                            '' (default) quantity is the actual db value for TKT_qty, unaffected by other objects
+	 *                            REG LIMIT: caps qty based on DTT_reg_limit for ALL related datetimes
+	 *                            SALEABLE: also considers datetime sold and returns zero if ANY DTT is sold out, and
+	 *                            is therefore the truest measure of tickets that can be purchased at the moment
+	 * @return int
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function qty($context = '')
+	{
+		switch ($context) {
+			case 'reg_limit':
+				return $this->real_quantity_on_ticket();
+			case 'saleable':
+				return $this->real_quantity_on_ticket('saleable');
+			default:
+				return $this->get_raw('TKT_qty');
+		}
+	}
+
+
+	/**
+	 * Gets ticket quantity
+	 *
+	 * @param string $context     ticket quantity is somewhat subjective depending on the exact information sought
+	 *                            therefore $context can be one of two values: 'reg_limit', or 'saleable'
+	 *                            REG LIMIT: caps qty based on DTT_reg_limit for ALL related datetimes
+	 *                            SALEABLE: also considers datetime sold and returns zero if ANY DTT is sold out, and
+	 *                            is therefore the truest measure of tickets that can be purchased at the moment
+	 * @param int    $DTT_ID      the primary key for a particular datetime.
+	 *                            set to 0 for all related datetimes
+	 * @return int
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function real_quantity_on_ticket($context = 'reg_limit', $DTT_ID = 0)
+	{
+		$raw = $this->get_raw('TKT_qty');
+		// return immediately if it's zero
+		if ($raw === 0) {
+			return $raw;
+		}
+		// echo "\n\n<br />Ticket: " . $this->name() . '<br />';
+		// ensure qty doesn't exceed raw value for THIS ticket
+		$qty = min(EE_INF, $raw);
+		// echo "\n . qty: " . $qty . '<br />';
+		// calculate this ticket's total sales and reservations
+		$sold_and_reserved_for_this_ticket = $this->sold() + $this->reserved();
+		// echo "\n . sold: " . $this->sold() . '<br />';
+		// echo "\n . reserved: " . $this->reserved() . '<br />';
+		// echo "\n . sold_and_reserved_for_this_ticket: " . $sold_and_reserved_for_this_ticket . '<br />';
+		// first we need to calculate the maximum number of tickets available for the datetime
+		// do we want data for one datetime or all of them ?
+		$query_params = $DTT_ID ? [['DTT_ID' => $DTT_ID]] : [];
+		$datetimes    = $this->datetimes($query_params);
+		if (is_array($datetimes) && ! empty($datetimes)) {
+			foreach ($datetimes as $datetime) {
+				if ($datetime instanceof EE_Datetime) {
+					$datetime->refresh_from_db();
+					// echo "\n . . datetime name: " . $datetime->name() . '<br />';
+					// echo "\n . . datetime ID: " . $datetime->ID() . '<br />';
+					// initialize with no restrictions for each datetime
+					// but adjust datetime qty based on datetime reg limit
+					$datetime_qty = min(EE_INF, $datetime->reg_limit());
+					// echo "\n . . . datetime reg_limit: " . $datetime->reg_limit() . '<br />';
+					// echo "\n . . . datetime_qty: " . $datetime_qty . '<br />';
+					// if we want the actual saleable amount, then we need to consider OTHER ticket sales
+					// and reservations for this datetime, that do NOT include sales and reservations
+					// for this ticket (so we add $this->sold() and $this->reserved() back in)
+					if ($context === 'saleable') {
+						$datetime_qty = max(
+							$datetime_qty - $datetime->sold_and_reserved() + $sold_and_reserved_for_this_ticket,
+							0
+						);
+						// echo "\n . . . datetime sold: " . $datetime->sold() . '<br />';
+						// echo "\n . . . datetime reserved: " . $datetime->reserved() . '<br />';
+						// echo "\n . . . datetime sold_and_reserved: " . $datetime->sold_and_reserved() . '<br />';
+						// echo "\n . . . datetime_qty: " . $datetime_qty . '<br />';
+						$datetime_qty = ! $datetime->sold_out() ? $datetime_qty : 0;
+						// echo "\n . . . datetime_qty: " . $datetime_qty . '<br />';
+					}
+					$qty = min($datetime_qty, $qty);
+					// echo "\n . . qty: " . $qty . '<br />';
+				}
+			}
+		}
+		// NOW that we know the  maximum number of tickets available for the datetime
+		// we can finally factor in the details for this specific ticket
+		if ($qty > 0 && $context === 'saleable') {
+			// and subtract the sales for THIS ticket
+			$qty = max($qty - $sold_and_reserved_for_this_ticket, 0);
+			// echo "\n . qty: " . $qty . '<br />';
+		}
+		// echo "\nFINAL QTY: " . $qty . "<br /><br />";
+		return $qty;
+	}
+
+
+	/**
+	 * Sets qty - IMPORTANT!!! Does NOT allow QTY to be set higher than the lowest reg limit of any related datetimes
+	 *
+	 * @param int $qty
+	 * @return void
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function set_qty($qty)
+	{
+		$datetimes = $this->datetimes();
+		foreach ($datetimes as $datetime) {
+			if ($datetime instanceof EE_Datetime) {
+				$qty = min($qty, $datetime->reg_limit());
+			}
+		}
+		$this->set('TKT_qty', $qty);
+	}
+
+
+	/**
+	 * Gets uses
+	 *
+	 * @return int
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function uses()
+	{
+		return $this->get('TKT_uses');
+	}
+
+
+	/**
+	 * Sets uses
+	 *
+	 * @param int $uses
+	 * @return void
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function set_uses($uses)
+	{
+		$this->set('TKT_uses', $uses);
+	}
+
+
+	/**
+	 * returns whether ticket is required or not.
+	 *
+	 * @return boolean
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function required()
+	{
+		return $this->get('TKT_required');
+	}
+
+
+	/**
+	 * sets the TKT_required property
+	 *
+	 * @param boolean $required
+	 * @return void
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function set_required($required)
+	{
+		$this->set('TKT_required', $required);
+	}
+
+
+	/**
+	 * Gets taxable
+	 *
+	 * @return boolean
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function taxable()
+	{
+		return $this->get('TKT_taxable');
+	}
+
+
+	/**
+	 * Sets taxable
+	 *
+	 * @param boolean $taxable
+	 * @return void
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function set_taxable($taxable)
+	{
+		$this->set('TKT_taxable', $taxable);
+	}
+
+
+	/**
+	 * Gets is_default
+	 *
+	 * @return boolean
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function is_default()
+	{
+		return $this->get('TKT_is_default');
+	}
+
+
+	/**
+	 * Sets is_default
+	 *
+	 * @param boolean $is_default
+	 * @return void
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function set_is_default($is_default)
+	{
+		$this->set('TKT_is_default', $is_default);
+	}
+
+
+	/**
+	 * Gets order
+	 *
+	 * @return int
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function order()
+	{
+		return $this->get('TKT_order');
+	}
+
+
+	/**
+	 * Sets order
+	 *
+	 * @param int $order
+	 * @return void
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function set_order($order)
+	{
+		$this->set('TKT_order', $order);
+	}
+
+
+	/**
+	 * Gets row
+	 *
+	 * @return int
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function row()
+	{
+		return $this->get('TKT_row');
+	}
+
+
+	/**
+	 * Sets row
+	 *
+	 * @param int $row
+	 * @return void
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function set_row($row)
+	{
+		$this->set('TKT_row', $row);
+	}
+
+
+	/**
+	 * Gets deleted
+	 *
+	 * @return boolean
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function deleted()
+	{
+		return $this->get('TKT_deleted');
+	}
+
+
+	/**
+	 * Sets deleted
+	 *
+	 * @param boolean $deleted
+	 * @return void
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function set_deleted($deleted)
+	{
+		$this->set('TKT_deleted', $deleted);
+	}
+
+
+	/**
+	 * Gets parent
+	 *
+	 * @return int
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function parent_ID()
+	{
+		return $this->get('TKT_parent');
+	}
+
+
+	/**
+	 * Sets parent
+	 *
+	 * @param int $parent
+	 * @return void
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function set_parent_ID($parent)
+	{
+		$this->set('TKT_parent', $parent);
+	}
+
+
+	/**
+	 * Gets a string which is handy for showing in gateways etc that describes the ticket.
+	 *
+	 * @return string
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function name_and_info()
+	{
+		$times = [];
+		foreach ($this->datetimes() as $datetime) {
+			$times[] = $datetime->start_date_and_time();
+		}
+		return $this->name() . ' @ ' . implode(', ', $times) . ' for ' . $this->pretty_price();
+	}
+
+
+	/**
+	 * Gets name
+	 *
+	 * @return string
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function name()
+	{
+		return $this->get('TKT_name');
+	}
+
+
+	/**
+	 * Gets price
+	 *
+	 * @return float
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function price()
+	{
+		return $this->get('TKT_price');
+	}
+
+
+	/**
+	 * Gets all the registrations for this ticket
+	 *
+	 * @param array $query_params
+	 * @return EE_Registration[]|EE_Base_Class[]
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 * @see https://github.com/eventespresso/event-espresso-core/tree/master/docs/G--Model-System/model-query-params.md
+	 */
+	public function registrations($query_params = [])
+	{
+		return $this->get_many_related('Registration', $query_params);
+	}
+
+
+	/**
+	 * Updates the TKT_sold attribute (and saves) based on the number of APPROVED registrations for this ticket.
+	 *
+	 * @return int
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function update_tickets_sold()
+	{
+		$count_regs_for_this_ticket = $this->count_registrations(
+			[
+				[
+					'STS_ID'      => EEM_Registration::status_id_approved,
+					'REG_deleted' => 0,
+				],
+			]
+		);
+		$this->set_sold($count_regs_for_this_ticket);
+		$this->save();
+		return $count_regs_for_this_ticket;
+	}
+
+
+	/**
+	 * Counts the registrations for this ticket
+	 *
+	 * @param array $query_params
+	 * @return int
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 * @see https://github.com/eventespresso/event-espresso-core/tree/master/docs/G--Model-System/model-query-params.md
+	 */
+	public function count_registrations($query_params = [])
+	{
+		return $this->count_related('Registration', $query_params);
+	}
+
+
+	/**
+	 * Implementation for EEI_Has_Icon interface method.
+	 *
+	 * @return string
+	 * @see EEI_Visual_Representation for comments
+	 */
+	public function get_icon()
+	{
+		return '<span class="dashicons dashicons-tickets-alt"></span>';
+	}
+
+
+	/**
+	 * Implementation of the EEI_Event_Relation interface method
+	 *
+	 * @return EE_Event
+	 * @throws EE_Error
+	 * @throws UnexpectedEntityException
+	 * @throws ReflectionException
+	 * @see EEI_Event_Relation for comments
+	 */
+	public function get_related_event()
+	{
+		// get one datetime to use for getting the event
+		$datetime = $this->first_datetime();
+		if (! $datetime instanceof EE_Datetime) {
+			throw new UnexpectedEntityException(
+				$datetime,
+				'EE_Datetime',
+				sprintf(
+					esc_html__('The ticket (%s) is not associated with any valid datetimes.', 'event_espresso'),
+					$this->name()
+				)
+			);
+		}
+		$event = $datetime->event();
+		if (! $event instanceof EE_Event) {
+			throw new UnexpectedEntityException(
+				$event,
+				'EE_Event',
+				sprintf(
+					esc_html__('The ticket (%s) is not associated with a valid event.', 'event_espresso'),
+					$this->name()
+				)
+			);
+		}
+		return $event;
+	}
+
+
+	/**
+	 * Implementation of the EEI_Event_Relation interface method
+	 *
+	 * @return string
+	 * @throws UnexpectedEntityException
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 * @see EEI_Event_Relation for comments
+	 */
+	public function get_event_name()
+	{
+		$event = $this->get_related_event();
+		return $event instanceof EE_Event ? $event->name() : '';
+	}
+
+
+	/**
+	 * Implementation of the EEI_Event_Relation interface method
+	 *
+	 * @return int
+	 * @throws UnexpectedEntityException
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 * @see EEI_Event_Relation for comments
+	 */
+	public function get_event_ID()
+	{
+		$event = $this->get_related_event();
+		return $event instanceof EE_Event ? $event->ID() : 0;
+	}
+
+
+	/**
+	 * This simply returns whether a ticket can be permanently deleted or not.
+	 * The criteria for determining this is whether the ticket has any related registrations.
+	 * If there are none then it can be permanently deleted.
+	 *
+	 * @return bool
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function is_permanently_deleteable()
+	{
+		return $this->count_registrations() === 0;
+	}
+
+
+	/*******************************************************************
      ***********************  DEPRECATED METHODS  **********************
      *******************************************************************/
 
 
-    /**
-     * Increments sold by amount passed by $qty AND decrements the reserved count on both this ticket and its
-     * associated datetimes.
-     *
-     * @param int $qty
-     * @return void
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     * @deprecated 4.9.80.p
-     */
-    public function increase_sold($qty = 1)
-    {
-        EE_Error::doing_it_wrong(
-            __FUNCTION__,
-            esc_html__('Please use EE_Ticket::increaseSold() instead', 'event_espresso'),
-            '4.9.80.p',
-            '5.0.0.p'
-        );
-        $this->increaseSold($qty);
-    }
-
-
-    /**
-     * On each datetime related to this ticket, increases its sold count and decreases its reserved count by $qty.
-     *
-     * @param int $qty positive or negative. Positive means to increase sold counts (and decrease reserved counts),
-     *                 Negative means to decreases old counts (and increase reserved counts).
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     * @deprecated 4.9.80.p
-     */
-    protected function _increase_sold_for_datetimes($qty)
-    {
-        EE_Error::doing_it_wrong(
-            __FUNCTION__,
-            esc_html__('Please use EE_Ticket::increaseSoldForDatetimes() instead', 'event_espresso'),
-            '4.9.80.p',
-            '5.0.0.p'
-        );
-        $this->increaseSoldForDatetimes($qty);
-    }
-
-
-    /**
-     * Decrements (subtracts) sold by amount passed by $qty on both the ticket and its related datetimes directly in the
-     * DB and then updates the model objects.
-     * Does not affect the reserved counts.
-     *
-     * @param int $qty
-     * @return void
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     * @deprecated 4.9.80.p
-     */
-    public function decrease_sold($qty = 1)
-    {
-        EE_Error::doing_it_wrong(
-            __FUNCTION__,
-            esc_html__('Please use EE_Ticket::decreaseSold() instead', 'event_espresso'),
-            '4.9.80.p',
-            '5.0.0.p'
-        );
-        $this->decreaseSold($qty);
-    }
-
-
-    /**
-     * Decreases sold on related datetimes
-     *
-     * @param int $qty
-     * @return void
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     * @deprecated 4.9.80.p
-     */
-    protected function _decrease_sold_for_datetimes($qty = 1)
-    {
-        EE_Error::doing_it_wrong(
-            __FUNCTION__,
-            esc_html__('Please use EE_Ticket::decreaseSoldForDatetimes() instead', 'event_espresso'),
-            '4.9.80.p',
-            '5.0.0.p'
-        );
-        $this->decreaseSoldForDatetimes($qty);
-    }
-
-
-    /**
-     * Increments reserved by amount passed by $qty, and persists it immediately to the database.
-     *
-     * @param int    $qty
-     * @param string $source
-     * @return bool whether we successfully reserved the ticket or not.
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws ReflectionException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @deprecated 4.9.80.p
-     */
-    public function increase_reserved($qty = 1, $source = 'unknown')
-    {
-        EE_Error::doing_it_wrong(
-            __FUNCTION__,
-            esc_html__('Please use EE_Ticket::increaseReserved() instead', 'event_espresso'),
-            '4.9.80.p',
-            '5.0.0.p'
-        );
-        return $this->increaseReserved($qty);
-    }
-
-
-    /**
-     * Increases sold on related datetimes
-     *
-     * @param int $qty
-     * @return boolean indicating success
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     * @deprecated 4.9.80.p
-     */
-    protected function _increase_reserved_for_datetimes($qty = 1)
-    {
-        EE_Error::doing_it_wrong(
-            __FUNCTION__,
-            esc_html__('Please use EE_Ticket::increaseReservedForDatetimes() instead', 'event_espresso'),
-            '4.9.80.p',
-            '5.0.0.p'
-        );
-        return $this->increaseReservedForDatetimes($qty);
-    }
-
-
-    /**
-     * Decrements (subtracts) reserved by amount passed by $qty, and persists it immediately to the database.
-     *
-     * @param int    $qty
-     * @param bool   $adjust_datetimes
-     * @param string $source
-     * @return void
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws ReflectionException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @deprecated 4.9.80.p
-     */
-    public function decrease_reserved($qty = 1, $adjust_datetimes = true, $source = 'unknown')
-    {
-        EE_Error::doing_it_wrong(
-            __FUNCTION__,
-            esc_html__('Please use EE_Ticket::decreaseReserved() instead', 'event_espresso'),
-            '4.9.80.p',
-            '5.0.0.p'
-        );
-        $this->decreaseReserved($qty);
-    }
-
-
-    /**
-     * Decreases reserved on related datetimes
-     *
-     * @param int $qty
-     * @return void
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws ReflectionException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @deprecated 4.9.80.p
-     */
-    protected function _decrease_reserved_for_datetimes($qty = 1)
-    {
-        EE_Error::doing_it_wrong(
-            __FUNCTION__,
-            esc_html__('Please use EE_Ticket::decreaseReservedForDatetimes() instead', 'event_espresso'),
-            '4.9.80.p',
-            '5.0.0.p'
-        );
-        $this->decreaseReservedForDatetimes($qty);
-    }
+	/**
+	 * Increments sold by amount passed by $qty AND decrements the reserved count on both this ticket and its
+	 * associated datetimes.
+	 *
+	 * @param int $qty
+	 * @return void
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 * @deprecated 4.9.80.p
+	 */
+	public function increase_sold($qty = 1)
+	{
+		EE_Error::doing_it_wrong(
+			__FUNCTION__,
+			esc_html__('Please use EE_Ticket::increaseSold() instead', 'event_espresso'),
+			'4.9.80.p',
+			'5.0.0.p'
+		);
+		$this->increaseSold($qty);
+	}
+
+
+	/**
+	 * On each datetime related to this ticket, increases its sold count and decreases its reserved count by $qty.
+	 *
+	 * @param int $qty positive or negative. Positive means to increase sold counts (and decrease reserved counts),
+	 *                 Negative means to decreases old counts (and increase reserved counts).
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 * @deprecated 4.9.80.p
+	 */
+	protected function _increase_sold_for_datetimes($qty)
+	{
+		EE_Error::doing_it_wrong(
+			__FUNCTION__,
+			esc_html__('Please use EE_Ticket::increaseSoldForDatetimes() instead', 'event_espresso'),
+			'4.9.80.p',
+			'5.0.0.p'
+		);
+		$this->increaseSoldForDatetimes($qty);
+	}
+
+
+	/**
+	 * Decrements (subtracts) sold by amount passed by $qty on both the ticket and its related datetimes directly in the
+	 * DB and then updates the model objects.
+	 * Does not affect the reserved counts.
+	 *
+	 * @param int $qty
+	 * @return void
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 * @deprecated 4.9.80.p
+	 */
+	public function decrease_sold($qty = 1)
+	{
+		EE_Error::doing_it_wrong(
+			__FUNCTION__,
+			esc_html__('Please use EE_Ticket::decreaseSold() instead', 'event_espresso'),
+			'4.9.80.p',
+			'5.0.0.p'
+		);
+		$this->decreaseSold($qty);
+	}
+
+
+	/**
+	 * Decreases sold on related datetimes
+	 *
+	 * @param int $qty
+	 * @return void
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 * @deprecated 4.9.80.p
+	 */
+	protected function _decrease_sold_for_datetimes($qty = 1)
+	{
+		EE_Error::doing_it_wrong(
+			__FUNCTION__,
+			esc_html__('Please use EE_Ticket::decreaseSoldForDatetimes() instead', 'event_espresso'),
+			'4.9.80.p',
+			'5.0.0.p'
+		);
+		$this->decreaseSoldForDatetimes($qty);
+	}
+
+
+	/**
+	 * Increments reserved by amount passed by $qty, and persists it immediately to the database.
+	 *
+	 * @param int    $qty
+	 * @param string $source
+	 * @return bool whether we successfully reserved the ticket or not.
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws ReflectionException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @deprecated 4.9.80.p
+	 */
+	public function increase_reserved($qty = 1, $source = 'unknown')
+	{
+		EE_Error::doing_it_wrong(
+			__FUNCTION__,
+			esc_html__('Please use EE_Ticket::increaseReserved() instead', 'event_espresso'),
+			'4.9.80.p',
+			'5.0.0.p'
+		);
+		return $this->increaseReserved($qty);
+	}
+
+
+	/**
+	 * Increases sold on related datetimes
+	 *
+	 * @param int $qty
+	 * @return boolean indicating success
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 * @deprecated 4.9.80.p
+	 */
+	protected function _increase_reserved_for_datetimes($qty = 1)
+	{
+		EE_Error::doing_it_wrong(
+			__FUNCTION__,
+			esc_html__('Please use EE_Ticket::increaseReservedForDatetimes() instead', 'event_espresso'),
+			'4.9.80.p',
+			'5.0.0.p'
+		);
+		return $this->increaseReservedForDatetimes($qty);
+	}
+
+
+	/**
+	 * Decrements (subtracts) reserved by amount passed by $qty, and persists it immediately to the database.
+	 *
+	 * @param int    $qty
+	 * @param bool   $adjust_datetimes
+	 * @param string $source
+	 * @return void
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws ReflectionException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @deprecated 4.9.80.p
+	 */
+	public function decrease_reserved($qty = 1, $adjust_datetimes = true, $source = 'unknown')
+	{
+		EE_Error::doing_it_wrong(
+			__FUNCTION__,
+			esc_html__('Please use EE_Ticket::decreaseReserved() instead', 'event_espresso'),
+			'4.9.80.p',
+			'5.0.0.p'
+		);
+		$this->decreaseReserved($qty);
+	}
+
+
+	/**
+	 * Decreases reserved on related datetimes
+	 *
+	 * @param int $qty
+	 * @return void
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws ReflectionException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @deprecated 4.9.80.p
+	 */
+	protected function _decrease_reserved_for_datetimes($qty = 1)
+	{
+		EE_Error::doing_it_wrong(
+			__FUNCTION__,
+			esc_html__('Please use EE_Ticket::decreaseReservedForDatetimes() instead', 'event_espresso'),
+			'4.9.80.p',
+			'5.0.0.p'
+		);
+		$this->decreaseReservedForDatetimes($qty);
+	}
 }

Spacing +12 added lines, -12 removed lines

@@ -66,7 +66,7 @@ 
     public static function new_instance($props_n_values = [], $timezone = null, $date_formats = [])
     {
         $ticket = parent::_check_for_object($props_n_values, __CLASS__, $timezone, $date_formats);
-        if (! $ticket instanceof EE_Ticket) {
+        if ( ! $ticket instanceof EE_Ticket) {
             $ticket = new EE_Ticket($props_n_values, false, $timezone, $date_formats);
         }
         return $ticket;
@@ -150,7 +150,7 @@ 
     public function ticket_status($display = false, $remaining = null)
     {
         $remaining = is_bool($remaining) ? $remaining : $this->is_remaining();
-        if (! $remaining) {
+        if ( ! $remaining) {
             return $display
                 ? EEH_Template::pretty_status(EE_Ticket::sold_out, false, 'sentence')
                 : EE_Ticket::sold_out;
@@ -287,7 +287,7 @@ 
             ? $this->last_datetime()->get_i18n_datetime('DTT_EVT_end', $date_format)
             : '';
 
-        return $first_date && $last_date ? $first_date . $conjunction . $last_date : '';
+        return $first_date && $last_date ? $first_date.$conjunction.$last_date : '';
     }
 
 
@@ -315,7 +315,7 @@ 
      */
     public function datetimes($query_params = [])
     {
-        if (! isset($query_params['order_by'])) {
+        if ( ! isset($query_params['order_by'])) {
             $query_params['order_by']['DTT_order'] = 'ASC';
         }
         return $this->get_many_related('Datetime', $query_params);
@@ -361,7 +361,7 @@ 
             return $total;
         }
 
-        if (! empty($dtt_id) && ! isset($tickets_sold['datetime'][ $dtt_id ])) {
+        if ( ! empty($dtt_id) && ! isset($tickets_sold['datetime'][$dtt_id])) {
             EE_Error::add_error(
                 esc_html__(
                     'You\'ve requested the amount of tickets sold for a given ticket and datetime, however there are no records for the datetime id you included.  Are you SURE that is a datetime related to this ticket?',
@@ -373,7 +373,7 @@ 
             );
             return $total;
         }
-        return empty($dtt_id) ? $tickets_sold['datetime'] : $tickets_sold['datetime'][ $dtt_id ];
+        return empty($dtt_id) ? $tickets_sold['datetime'] : $tickets_sold['datetime'][$dtt_id];
     }
 
 
@@ -388,9 +388,9 @@ 
     {
         $datetimes    = $this->get_many_related('Datetime');
         $tickets_sold = [];
-        if (! empty($datetimes)) {
+        if ( ! empty($datetimes)) {
             foreach ($datetimes as $datetime) {
-                $tickets_sold['datetime'][ $datetime->ID() ] = $datetime->get('DTT_sold');
+                $tickets_sold['datetime'][$datetime->ID()] = $datetime->get('DTT_sold');
             }
         }
         // Tickets sold
@@ -994,7 +994,7 @@ 
                 'TKT_qty',
                 $qty
             );
-            if (! $success) {
+            if ( ! $success) {
                 // The datetimes were successfully bumped, but not the
                 // ticket. So we need to manually rollback the datetimes.
                 $this->decreaseReservedForDatetimes($qty);
@@ -1463,7 +1463,7 @@ 
         foreach ($this->datetimes() as $datetime) {
             $times[] = $datetime->start_date_and_time();
         }
-        return $this->name() . ' @ ' . implode(', ', $times) . ' for ' . $this->pretty_price();
+        return $this->name().' @ '.implode(', ', $times).' for '.$this->pretty_price();
     }
 
 
@@ -1571,7 +1571,7 @@ 
     {
         // get one datetime to use for getting the event
         $datetime = $this->first_datetime();
-        if (! $datetime instanceof EE_Datetime) {
+        if ( ! $datetime instanceof EE_Datetime) {
             throw new UnexpectedEntityException(
                 $datetime,
                 'EE_Datetime',
@@ -1582,7 +1582,7 @@ 
             );
         }
         $event = $datetime->event();
-        if (! $event instanceof EE_Event) {
+        if ( ! $event instanceof EE_Event) {
             throw new UnexpectedEntityException(
                 $event,
                 'EE_Event',

core/db_classes/EE_CSV.class.php

Indentation +564 added lines, -564 removed lines

@@ -13,568 +13,568 @@
  */
 class EE_CSV
 {
-    /**
-     * string used for 1st cell in exports, which indicates that the following 2 rows will be metadata keys and values
-     */
-    const metadata_header = 'Event Espresso Export Meta Data';
-
-    /**
-     * @var EE_CSV
-     */
-    private static $_instance = null;
-
-
-    /**
-     * @return void
-     */
-    private function __construct()
-    {
-    }
-
-
-    /**
-     * singleton method used to instantiate class object
-     *
-     * @return EE_CSV
-     */
-    public static function instance(): EE_CSV
-    {
-        // check if class object is instantiated
-        if (self::$_instance === null or ! is_object(self::$_instance) or ! (self::$_instance instanceof EE_CSV)) {
-            self::$_instance = new self();
-        }
-        return self::$_instance;
-    }
-
-
-    /**
-     * Opens a unicode or utf file (normal file_get_contents has difficulty reading a unicode file. @param string
-     * $file_path
-     *
-     * @return string
-     * @throws EE_Error
-     * @see http://stackoverflow.com/questions/15092764/how-to-read-unicode-text-file-in-php
-     *
-     */
-    private function read_unicode_file(string $file_path): string
-    {
-        $fc = "";
-        $fh = fopen($file_path, "rb");
-        if (! $fh) {
-            throw new EE_Error(
-                sprintf(esc_html__("Cannot open file for read: %s<br>\n", 'event_espresso'), $file_path)
-            );
-        }
-        $file_length = filesize($file_path);
-        $bc   = fread($fh, $file_length);
-        for ($i = 0; $i < $file_length; $i++) {
-            $c = substr($bc, $i, 1);
-            if ((ord($c) != 0) && (ord($c) != 13)) {
-                $fc = $fc . $c;
-            }
-        }
-        if ((ord(substr($fc, 0, 1)) == 255) && (ord(substr($fc, 1, 1)) == 254)) {
-            $fc = substr($fc, 2);
-        }
-        return ($fc);
-    }
-
-
-    /**
-     * Generic CSV-functionality to turn an entire CSV file into a single array that's
-     * NOT in a specific format to EE. It's just a 2-level array, with top-level arrays
-     * representing each row in the CSV file, and the second-level arrays being each column in that row
-     *
-     * @param string $path_to_file
-     * @return array of arrays. Top-level array has rows, second-level array has each item
-     * @throws EE_Error
-     */
-    public function import_csv_to_multi_dimensional_array(string $path_to_file): array
-    {
-        // needed to deal with Mac line endings
-        ini_set('auto_detect_line_endings', true);
-        // because fgetcsv does not correctly deal with backslashed quotes such as \"
-        // we'll read the file into a string
-        $file_contents = $this->read_unicode_file($path_to_file);
-        // replace backslashed quotes with CSV enclosures
-        $file_contents = str_replace('\\"', '"""', $file_contents);
-        // HEY YOU! PUT THAT FILE BACK!!!
-        file_put_contents($path_to_file, $file_contents);
-
-        if (($file_handle = fopen($path_to_file, "r")) !== false) {
-            $csv_array = [];
-            // loop through each row of the file
-            while (($data = fgetcsv($file_handle, 0)) !== false) {
-                $csv_array[] = $data;
-            }
-            # Close the File.
-            fclose($file_handle);
-            return $csv_array;
-        }
-        EE_Error::add_error(
-            sprintf(
-                esc_html__('An error occurred - the file: %s could not opened.', 'event_espresso'),
-                $path_to_file
-            ),
-            __FILE__,
-            __FUNCTION__,
-            __LINE__
-        );
-        return [];
-    }
-
-
-    /**
-     * import contents of csv file and store values in an array to be manipulated by other functions
-     *
-     * @param string  $path_to_file         - the csv file to be imported including the path to it's location.
-     *                                      If $model_name is provided, assumes that each row in the CSV represents a
-     *                                      model object for that model If $model_name ISN'T provided, assumes that
-     *                                      before model object data, there is a row where the first entry is simply
-     *                                      'MODEL', and next entry is the model's name, (untranslated) like Event, and
-     *                                      then maybe a row of headers, and then the model data. Eg.
-     *                                      '<br>MODEL,Event,<br>EVT_ID,EVT_name,...<br>1,Monkey
-     *                                      Party,...<br>2,Llamarama,...<br>MODEL,Venue,<br>VNU_ID,VNU_name<br>1,The
-     *                                      Forest
-     * @param string  $model_name           model name if we know what model we're importing
-     * @param boolean $first_row_is_headers - whether the first row of data is headers or not - TRUE = headers, FALSE =
-     *                                      data
-     * @return array|false                  - array on success - multi dimensional with headers as keys
-     *                                      (if headers exist) OR string on fail -
-     *                                      error message like the following array('Event'=>array(
-     *                                      array('EVT_ID'=>1,'EVT_name'=>'bob party',...),
-     *                                      array('EVT_ID'=>2,'EVT_name'=>'llamarama',...),
-     *                                      ...
-     *                                      )
-     *                                      'Venue'=>array(
-     *                                      array('VNU_ID'=>1,'VNU_name'=>'the shack',...),
-     *                                      array('VNU_ID'=>2,'VNU_name'=>'tree house',...),
-     *                                      ...
-     *                                      )
-     *                                      ...
-     *                                      )
-     * @throws EE_Error
-     */
-    public function import_csv_to_model_data_array(
-        string $path_to_file,
-        string $model_name = '',
-        bool $first_row_is_headers = true
-    ) {
-        $multi_dimensional_array = $this->import_csv_to_multi_dimensional_array($path_to_file);
-        if (empty($multi_dimensional_array)) {
-            return false;
-        }
-        // gotta start somewhere
-        $row = 1;
-        // array to store csv data in
-        $ee_formatted_data = [];
-        // array to store headers (column names)
-        $headers = [];
-        foreach ($multi_dimensional_array as $data) {
-            // if first cell is MODEL, then second cell is the MODEL name
-            if ($data[0] == 'MODEL') {
-                $model_name = $data[1];
-                // don't bother looking for model data in this row. The rest of this
-                // row should be blank
-                // AND pretend this is the first row again
-                $row = 1;
-                // reset headers
-                $headers = [];
-                continue;
-            }
-            if (strpos($data[0], EE_CSV::metadata_header) !== false) {
-                $model_name = EE_CSV::metadata_header;
-                // store like model data, we just won't try importing it etc.
-                $row = 1;
-                continue;
-            }
-
-
-            // how many columns are there?
-            $columns = count($data);
-
-            $model_entry = [];
-            // loop through each column
-            for ($i = 0; $i < $columns; $i++) {
-                // replace csv_enclosures with backslashed quotes
-                $data[ $i ] = str_replace('"""', '\\"', $data[ $i ]);
-                // do we need to grab the column names?
-                if ($row === 1) {
-                    if ($first_row_is_headers) {
-                        // store the column names to use for keys
-                        $column_name = $data[ $i ];
-                        // check it's not blank... sometimes CSV editing programs adda bunch of empty columns onto the end...
-                        if (! $column_name) {
-                            continue;
-                        }
-                        $matches = [];
-                        if ($model_name == EE_CSV::metadata_header) {
-                            $headers[ $i ] = $column_name;
-                        } else {
-                            // now get the db table name from it (the part between square brackets)
-                            $success = preg_match('~(.*)\[(.*)\]~', $column_name, $matches);
-                            if (! $success) {
-                                EE_Error::add_error(
-                                    sprintf(
-                                        esc_html__(
-                                            "The column titled %s is invalid for importing. It must be be in the format of 'Nice Name[model_field_name]' in row %s",
-                                            "event_espresso"
-                                        ),
-                                        $column_name,
-                                        implode(",", $data)
-                                    ),
-                                    __FILE__,
-                                    __FUNCTION__,
-                                    __LINE__
-                                );
-                                return false;
-                            }
-                            $headers[ $i ] = $matches[2];
-                        }
-                    } else {
-                        // no column names means our final array will just use counters for keys
-                        $model_entry[ $headers[ $i ] ] = $data[ $i ];
-                        $headers[ $i ]                 = $i;
-                    }
-                    // and we need to store csv data
-                } else {
-                    // this column isn' ta header, store it if there is a header for it
-                    if (isset($headers[ $i ])) {
-                        $model_entry[ $headers[ $i ] ] = $data[ $i ];
-                    }
-                }
-            }
-            // save the row's data IF it's a non-header-row
-            if (! $first_row_is_headers || $row > 1) {
-                $ee_formatted_data[ $model_name ][] = $model_entry;
-            }
-            // advance to next row
-            $row++;
-        }
-
-        // delete the uploaded file
-        unlink($path_to_file);
-        // echo '<pre style="height:auto;border:2px solid lightblue;">' . print_r( $ee_formatted_data, TRUE ) . '</pre><br /><span style="font-size:10px;font-weight:normal;">' . __FILE__ . '<br />line no: ' . __LINE__ . '</span>';
-        // die();
-
-        // it's good to give back
-        return $ee_formatted_data;
-    }
-
-
-    /**
-     * @throws EE_Error
-     */
-    public function save_csv_to_db($csv_data_array, $model_name = false): bool
-    {
-        EE_Error::doing_it_wrong(
-            'save_csv_to_db',
-            esc_html__(
-                'Function moved to EE_Import and renamed to save_csv_data_array_to_db',
-                'event_espresso'
-            ),
-            '4.6.7'
-        );
-        return EE_Import::instance()->save_csv_data_array_to_db($csv_data_array, $model_name);
-    }
-
-
-    /**
-     * Sends HTTP headers to indicate that the browser should download a file,
-     * and starts writing the file to PHP's output. Returns the file handle so other functions can
-     * also write to it
-     *
-     * @param string $filename the name of the file that the user will download
-     * @return resource, like the results of fopen(), which can be used for fwrite, fputcsv2, etc.
-     */
-    public function begin_sending_csv(string $filename)
-    {
-        // grab file extension
-        $ext = substr(strrchr($filename, '.'), 1);
-        if ($ext == '.csv' or $ext == '.xls') {
-            str_replace($ext, '', $filename);
-        }
-        $filename .= '.csv';
-
-        // if somebody's been naughty and already started outputting stuff, trash it
-        // and start writing our stuff.
-        if (ob_get_length()) {
-            @ob_flush();
-            @flush();
-            @ob_end_flush();
-        }
-        @ob_start();
-        header("Pragma: public");
-        header("Expires: 0");
-        header("Pragma: no-cache");
-        header("Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0");
-        // header("Content-Type: application/force-download");
-        // header("Content-Type: application/octet-stream");
-        // header("Content-Type: application/download");
-        header('Content-disposition: attachment; filename=' . $filename);
-        header("Content-Type: text/csv; charset=utf-8");
-        do_action('AHEE__EE_CSV__begin_sending_csv__headers');
-        echo apply_filters(
-            'FHEE__EE_CSV__begin_sending_csv__start_writing',
-            "\xEF\xBB\xBF"
-        );
-        // makes excel open it as UTF-8. UTF-8 BOM, see http://stackoverflow.com/a/4440143/2773835
-        return fopen('php://output', 'w');
-    }
-
-
-    /**
-     * Writes some meta data to the CSV as a bunch of columns. Initially we're only
-     * mentioning the version and timezone
-     *
-     * @param resource $file_handle
-     * @throws EE_Error
-     * @throws EE_Error
-     */
-    public function write_metadata_to_csv($file_handle)
-    {
-        $data_row = [EE_CSV::metadata_header];// do NOT translate because this exact string is used when importing
-        $this->fputcsv2($file_handle, $data_row);
-        $meta_data = [
-            0 => [
-                'version'        => espresso_version(),
-                'timezone'       => EEH_DTT_Helper::get_timezone(),
-                'time_of_export' => current_time('mysql'),
-                'site_url'       => site_url(),
-            ],
-        ];
-        $this->write_data_array_to_csv($file_handle, $meta_data);
-    }
-
-
-    /**
-     * Writes $data to the csv file open in $file_handle. uses the array indices of $data for column headers
-     *
-     * @param resource   $file_handle
-     * @param array|null $data          2D array, first numerically-indexed,
-     *                                  and next-level-down preferably indexed by string
-     * @return boolean                  if we successfully wrote to the CSV or not.
-     *                                  If there's no $data, we consider that a success
-     *                                  (because we wrote everything there was...nothing)
-     * @throws EE_Error
-     */
-    public function write_data_array_to_csv($file_handle, ?array $data): bool
-    {
-        // determine if $data is actually a 2d array
-        if ($data && is_array(EEH_Array::get_one_item_from_array($data))) {
-            // make sure top level is numerically indexed,
-            if (EEH_Array::is_associative_array($data)) {
-                throw new EE_Error(
-                    sprintf(
-                        esc_html__(
-                            "top-level array must be numerically indexed. Does these look like numbers to you? %s",
-                            "event_espresso"
-                        ),
-                        implode(",", array_keys($data))
-                    )
-                );
-            }
-            $item_in_top_level_array = EEH_Array::get_one_item_from_array($data);
-            // now, is the last item in the top-level array of $data an associative or numeric array?
-            if (EEH_Array::is_associative_array($item_in_top_level_array)) {
-                // its associative, so we want to output its keys as column headers
-                $keys = array_keys($item_in_top_level_array);
-                $this->fputcsv2($file_handle, $keys);
-            }
-            // start writing data
-            foreach ($data as $data_row) {
-                $this->fputcsv2($file_handle, $data_row);
-            }
-            return true;
-        }
-        // no data TO write... so we can assume that's a success
-        return true;
-    }
-
-
-    /**
-     * Should be called after begin_sending_csv(), and one or more write_data_array_to_csv()s.
-     * Calls exit to prevent polluting the CSV file with other junk
-     *
-     * @param resource $fh file handle where we're writing the CSV to
-     */
-    public function end_sending_csv($fh)
-    {
-        fclose($fh);
-        exit(0);
-    }
-
-
-    /**
-     * Given an open file, writes all the model data to it in the format the importer expects.
-     * Usually preceded by begin_sending_csv($filename), and followed by end_sending_csv($file_handle).
-     *
-     * @param resource $file_handle
-     * @param array    $model_data_array is assumed to be a 3d array: 1st layer has keys of model names (eg 'Event'),
-     *                                   next layer is numerically indexed to represent each model object (eg, each
-     *                                   individual event), and the last layer has all the attributes of that model
-     *                                   object (eg, the event's id, name, etc)
-     * @return void
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function write_model_data_to_csv($file_handle, array $model_data_array)
-    {
-        $this->write_metadata_to_csv($file_handle);
-        foreach ($model_data_array as $model_name => $model_instance_arrays) {
-            // first: output a special row stating the model
-            $this->fputcsv2($file_handle, ['MODEL', $model_name]);
-            // if we have items to put in the CSV, do it normally
-
-            if (! empty($model_instance_arrays)) {
-                $this->write_data_array_to_csv($file_handle, $model_instance_arrays);
-            } else {
-                // echo "no data to write... so just write the headers";
-                // so there's actually NO model objects for that model.
-                // probably still want to show the columns
-                $model        = EE_Registry::instance()->load_model($model_name);
-                $column_names = [];
-                foreach ($model->field_settings() as $field) {
-                    $column_names[ $field->get_nicename() . "[" . $field->get_name() . "]" ] = null;
-                }
-                $this->write_data_array_to_csv($file_handle, [$column_names]);
-            }
-        }
-    }
-
-
-    /**
-     * Writes the CSV file to the output buffer, with rows corresponding to $model_data_array,
-     * and dies (in order to avoid other plugins from messing up the csv output)
-     *
-     * @param string $filename         the filename you want to give the file
-     * @param array  $model_data_array 3d array, as described in EE_CSV::write_model_data_to_csv()
-     * @return void
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function export_multiple_model_data_to_csv(string $filename, array $model_data_array)
-    {
-        $file_handle = $this->begin_sending_csv($filename);
-        $this->write_model_data_to_csv($file_handle, $model_data_array);
-        $this->end_sending_csv($file_handle);
-    }
-
-
-    /**
-     * export contents of an array to csv file
-     *
-     * @param array|null $data     - the array of data to be converted to csv and exported
-     * @param string     $filename - name for newly created csv file
-     * @return void
-     */
-    public function export_array_to_csv(?array $data, string $filename = '')
-    {
-        // no data file or filename?? get outta here
-        if (empty($data) || ! $filename) {
-            return;
-        }
-        $fh = $this->begin_sending_csv($filename);
-        $this->end_sending_csv($fh);
-    }
-
-
-    /**
-     * @Determine the maximum upload file size based on php.ini settings
-     * @access    public
-     * @param int $percent_of_max - desired percentage of the max upload_mb
-     * @return int KB
-     */
-    public function get_max_upload_size(int $percent_of_max = 0)
-    {
-        $max_upload   = (int) (ini_get('upload_max_filesize'));
-        $max_post     = (int) (ini_get('post_max_size'));
-        $memory_limit = (int) (ini_get('memory_limit'));
-
-        // determine the smallest of the three values from above
-        $upload_mb = min($max_upload, $max_post, $memory_limit);
-
-        // convert MB to KB
-        $upload_mb = $upload_mb * 1024;
-
-        // don't want the full monty? then reduce the max upload size
-        if ($percent_of_max) {
-            // is percent_of_max like this -> 50 or like this -> 0.50 ?
-            if ($percent_of_max > 1) {
-                // changes 50 to 0.50
-                $percent_of_max = $percent_of_max / 100;
-            }
-            // make upload_mb a percentage of the max upload_mb
-            $upload_mb = $upload_mb * $percent_of_max;
-        }
-
-        return $upload_mb;
-    }
-
-
-    /**
-     * drop in replacement for PHP's fputcsv function - but this one works!!!
-     *
-     * @param resource $fh         - file handle - what we are writing to
-     * @param array    $row        - individual row of csv data
-     * @param string   $delimiter  - csv delimiter
-     * @param string   $enclosure  - csv enclosure
-     * @param bool     $mysql_null - allows php NULL to be overridden with MySQL's insertable NULL value
-     * @return void
-     */
-    private function fputcsv2(
-        $fh,
-        array $row,
-        string $delimiter = ',',
-        string $enclosure = '"',
-        bool $mysql_null = false
-    ) {
-        // Allow user to filter the csv delimiter and enclosure for other countries csv standards
-        $delimiter = apply_filters('FHEE__EE_CSV__fputcsv2__delimiter', $delimiter);
-        $enclosure = apply_filters('FHEE__EE_CSV__fputcsv2__enclosure', $enclosure);
-
-        $delimiter_esc = preg_quote($delimiter, '/');
-        $enclosure_esc = preg_quote($enclosure, '/');
-
-        $output = [];
-        foreach ($row as $field_value) {
-            if (is_object($field_value) || is_array($field_value)) {
-                $field_value = serialize($field_value);
-            }
-            if ($field_value === null && $mysql_null) {
-                $output[] = 'NULL';
-                continue;
-            }
-
-            $output[] = preg_match("/(?:${delimiter_esc}|${enclosure_esc}|\s)/", $field_value)
-                ? ($enclosure . str_replace($enclosure, $enclosure . $enclosure, $field_value) . $enclosure)
-                : $field_value;
-        }
-
-        fwrite($fh, join($delimiter, $output) . PHP_EOL);
-    }
-
-
-    /**
-     * Gets the date format to use in teh csv. filterable
-     *
-     * @param string $current_format
-     * @return string
-     */
-    public function get_date_format_for_csv(string $current_format = ''): string
-    {
-        return apply_filters('FHEE__EE_CSV__get_date_format_for_csv__format', 'Y-m-d', $current_format);
-    }
-
-
-    /**
-     * Gets the time format we want to use in CSV reports. Filterable
-     *
-     * @param string $current_format
-     * @return string
-     */
-    public function get_time_format_for_csv(string $current_format = ''): string
-    {
-        return apply_filters('FHEE__EE_CSV__get_time_format_for_csv__format', 'H:i:s', $current_format);
-    }
+	/**
+	 * string used for 1st cell in exports, which indicates that the following 2 rows will be metadata keys and values
+	 */
+	const metadata_header = 'Event Espresso Export Meta Data';
+
+	/**
+	 * @var EE_CSV
+	 */
+	private static $_instance = null;
+
+
+	/**
+	 * @return void
+	 */
+	private function __construct()
+	{
+	}
+
+
+	/**
+	 * singleton method used to instantiate class object
+	 *
+	 * @return EE_CSV
+	 */
+	public static function instance(): EE_CSV
+	{
+		// check if class object is instantiated
+		if (self::$_instance === null or ! is_object(self::$_instance) or ! (self::$_instance instanceof EE_CSV)) {
+			self::$_instance = new self();
+		}
+		return self::$_instance;
+	}
+
+
+	/**
+	 * Opens a unicode or utf file (normal file_get_contents has difficulty reading a unicode file. @param string
+	 * $file_path
+	 *
+	 * @return string
+	 * @throws EE_Error
+	 * @see http://stackoverflow.com/questions/15092764/how-to-read-unicode-text-file-in-php
+	 *
+	 */
+	private function read_unicode_file(string $file_path): string
+	{
+		$fc = "";
+		$fh = fopen($file_path, "rb");
+		if (! $fh) {
+			throw new EE_Error(
+				sprintf(esc_html__("Cannot open file for read: %s<br>\n", 'event_espresso'), $file_path)
+			);
+		}
+		$file_length = filesize($file_path);
+		$bc   = fread($fh, $file_length);
+		for ($i = 0; $i < $file_length; $i++) {
+			$c = substr($bc, $i, 1);
+			if ((ord($c) != 0) && (ord($c) != 13)) {
+				$fc = $fc . $c;
+			}
+		}
+		if ((ord(substr($fc, 0, 1)) == 255) && (ord(substr($fc, 1, 1)) == 254)) {
+			$fc = substr($fc, 2);
+		}
+		return ($fc);
+	}
+
+
+	/**
+	 * Generic CSV-functionality to turn an entire CSV file into a single array that's
+	 * NOT in a specific format to EE. It's just a 2-level array, with top-level arrays
+	 * representing each row in the CSV file, and the second-level arrays being each column in that row
+	 *
+	 * @param string $path_to_file
+	 * @return array of arrays. Top-level array has rows, second-level array has each item
+	 * @throws EE_Error
+	 */
+	public function import_csv_to_multi_dimensional_array(string $path_to_file): array
+	{
+		// needed to deal with Mac line endings
+		ini_set('auto_detect_line_endings', true);
+		// because fgetcsv does not correctly deal with backslashed quotes such as \"
+		// we'll read the file into a string
+		$file_contents = $this->read_unicode_file($path_to_file);
+		// replace backslashed quotes with CSV enclosures
+		$file_contents = str_replace('\\"', '"""', $file_contents);
+		// HEY YOU! PUT THAT FILE BACK!!!
+		file_put_contents($path_to_file, $file_contents);
+
+		if (($file_handle = fopen($path_to_file, "r")) !== false) {
+			$csv_array = [];
+			// loop through each row of the file
+			while (($data = fgetcsv($file_handle, 0)) !== false) {
+				$csv_array[] = $data;
+			}
+			# Close the File.
+			fclose($file_handle);
+			return $csv_array;
+		}
+		EE_Error::add_error(
+			sprintf(
+				esc_html__('An error occurred - the file: %s could not opened.', 'event_espresso'),
+				$path_to_file
+			),
+			__FILE__,
+			__FUNCTION__,
+			__LINE__
+		);
+		return [];
+	}
+
+
+	/**
+	 * import contents of csv file and store values in an array to be manipulated by other functions
+	 *
+	 * @param string  $path_to_file         - the csv file to be imported including the path to it's location.
+	 *                                      If $model_name is provided, assumes that each row in the CSV represents a
+	 *                                      model object for that model If $model_name ISN'T provided, assumes that
+	 *                                      before model object data, there is a row where the first entry is simply
+	 *                                      'MODEL', and next entry is the model's name, (untranslated) like Event, and
+	 *                                      then maybe a row of headers, and then the model data. Eg.
+	 *                                      '<br>MODEL,Event,<br>EVT_ID,EVT_name,...<br>1,Monkey
+	 *                                      Party,...<br>2,Llamarama,...<br>MODEL,Venue,<br>VNU_ID,VNU_name<br>1,The
+	 *                                      Forest
+	 * @param string  $model_name           model name if we know what model we're importing
+	 * @param boolean $first_row_is_headers - whether the first row of data is headers or not - TRUE = headers, FALSE =
+	 *                                      data
+	 * @return array|false                  - array on success - multi dimensional with headers as keys
+	 *                                      (if headers exist) OR string on fail -
+	 *                                      error message like the following array('Event'=>array(
+	 *                                      array('EVT_ID'=>1,'EVT_name'=>'bob party',...),
+	 *                                      array('EVT_ID'=>2,'EVT_name'=>'llamarama',...),
+	 *                                      ...
+	 *                                      )
+	 *                                      'Venue'=>array(
+	 *                                      array('VNU_ID'=>1,'VNU_name'=>'the shack',...),
+	 *                                      array('VNU_ID'=>2,'VNU_name'=>'tree house',...),
+	 *                                      ...
+	 *                                      )
+	 *                                      ...
+	 *                                      )
+	 * @throws EE_Error
+	 */
+	public function import_csv_to_model_data_array(
+		string $path_to_file,
+		string $model_name = '',
+		bool $first_row_is_headers = true
+	) {
+		$multi_dimensional_array = $this->import_csv_to_multi_dimensional_array($path_to_file);
+		if (empty($multi_dimensional_array)) {
+			return false;
+		}
+		// gotta start somewhere
+		$row = 1;
+		// array to store csv data in
+		$ee_formatted_data = [];
+		// array to store headers (column names)
+		$headers = [];
+		foreach ($multi_dimensional_array as $data) {
+			// if first cell is MODEL, then second cell is the MODEL name
+			if ($data[0] == 'MODEL') {
+				$model_name = $data[1];
+				// don't bother looking for model data in this row. The rest of this
+				// row should be blank
+				// AND pretend this is the first row again
+				$row = 1;
+				// reset headers
+				$headers = [];
+				continue;
+			}
+			if (strpos($data[0], EE_CSV::metadata_header) !== false) {
+				$model_name = EE_CSV::metadata_header;
+				// store like model data, we just won't try importing it etc.
+				$row = 1;
+				continue;
+			}
+
+
+			// how many columns are there?
+			$columns = count($data);
+
+			$model_entry = [];
+			// loop through each column
+			for ($i = 0; $i < $columns; $i++) {
+				// replace csv_enclosures with backslashed quotes
+				$data[ $i ] = str_replace('"""', '\\"', $data[ $i ]);
+				// do we need to grab the column names?
+				if ($row === 1) {
+					if ($first_row_is_headers) {
+						// store the column names to use for keys
+						$column_name = $data[ $i ];
+						// check it's not blank... sometimes CSV editing programs adda bunch of empty columns onto the end...
+						if (! $column_name) {
+							continue;
+						}
+						$matches = [];
+						if ($model_name == EE_CSV::metadata_header) {
+							$headers[ $i ] = $column_name;
+						} else {
+							// now get the db table name from it (the part between square brackets)
+							$success = preg_match('~(.*)\[(.*)\]~', $column_name, $matches);
+							if (! $success) {
+								EE_Error::add_error(
+									sprintf(
+										esc_html__(
+											"The column titled %s is invalid for importing. It must be be in the format of 'Nice Name[model_field_name]' in row %s",
+											"event_espresso"
+										),
+										$column_name,
+										implode(",", $data)
+									),
+									__FILE__,
+									__FUNCTION__,
+									__LINE__
+								);
+								return false;
+							}
+							$headers[ $i ] = $matches[2];
+						}
+					} else {
+						// no column names means our final array will just use counters for keys
+						$model_entry[ $headers[ $i ] ] = $data[ $i ];
+						$headers[ $i ]                 = $i;
+					}
+					// and we need to store csv data
+				} else {
+					// this column isn' ta header, store it if there is a header for it
+					if (isset($headers[ $i ])) {
+						$model_entry[ $headers[ $i ] ] = $data[ $i ];
+					}
+				}
+			}
+			// save the row's data IF it's a non-header-row
+			if (! $first_row_is_headers || $row > 1) {
+				$ee_formatted_data[ $model_name ][] = $model_entry;
+			}
+			// advance to next row
+			$row++;
+		}
+
+		// delete the uploaded file
+		unlink($path_to_file);
+		// echo '<pre style="height:auto;border:2px solid lightblue;">' . print_r( $ee_formatted_data, TRUE ) . '</pre><br /><span style="font-size:10px;font-weight:normal;">' . __FILE__ . '<br />line no: ' . __LINE__ . '</span>';
+		// die();
+
+		// it's good to give back
+		return $ee_formatted_data;
+	}
+
+
+	/**
+	 * @throws EE_Error
+	 */
+	public function save_csv_to_db($csv_data_array, $model_name = false): bool
+	{
+		EE_Error::doing_it_wrong(
+			'save_csv_to_db',
+			esc_html__(
+				'Function moved to EE_Import and renamed to save_csv_data_array_to_db',
+				'event_espresso'
+			),
+			'4.6.7'
+		);
+		return EE_Import::instance()->save_csv_data_array_to_db($csv_data_array, $model_name);
+	}
+
+
+	/**
+	 * Sends HTTP headers to indicate that the browser should download a file,
+	 * and starts writing the file to PHP's output. Returns the file handle so other functions can
+	 * also write to it
+	 *
+	 * @param string $filename the name of the file that the user will download
+	 * @return resource, like the results of fopen(), which can be used for fwrite, fputcsv2, etc.
+	 */
+	public function begin_sending_csv(string $filename)
+	{
+		// grab file extension
+		$ext = substr(strrchr($filename, '.'), 1);
+		if ($ext == '.csv' or $ext == '.xls') {
+			str_replace($ext, '', $filename);
+		}
+		$filename .= '.csv';
+
+		// if somebody's been naughty and already started outputting stuff, trash it
+		// and start writing our stuff.
+		if (ob_get_length()) {
+			@ob_flush();
+			@flush();
+			@ob_end_flush();
+		}
+		@ob_start();
+		header("Pragma: public");
+		header("Expires: 0");
+		header("Pragma: no-cache");
+		header("Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0");
+		// header("Content-Type: application/force-download");
+		// header("Content-Type: application/octet-stream");
+		// header("Content-Type: application/download");
+		header('Content-disposition: attachment; filename=' . $filename);
+		header("Content-Type: text/csv; charset=utf-8");
+		do_action('AHEE__EE_CSV__begin_sending_csv__headers');
+		echo apply_filters(
+			'FHEE__EE_CSV__begin_sending_csv__start_writing',
+			"\xEF\xBB\xBF"
+		);
+		// makes excel open it as UTF-8. UTF-8 BOM, see http://stackoverflow.com/a/4440143/2773835
+		return fopen('php://output', 'w');
+	}
+
+
+	/**
+	 * Writes some meta data to the CSV as a bunch of columns. Initially we're only
+	 * mentioning the version and timezone
+	 *
+	 * @param resource $file_handle
+	 * @throws EE_Error
+	 * @throws EE_Error
+	 */
+	public function write_metadata_to_csv($file_handle)
+	{
+		$data_row = [EE_CSV::metadata_header];// do NOT translate because this exact string is used when importing
+		$this->fputcsv2($file_handle, $data_row);
+		$meta_data = [
+			0 => [
+				'version'        => espresso_version(),
+				'timezone'       => EEH_DTT_Helper::get_timezone(),
+				'time_of_export' => current_time('mysql'),
+				'site_url'       => site_url(),
+			],
+		];
+		$this->write_data_array_to_csv($file_handle, $meta_data);
+	}
+
+
+	/**
+	 * Writes $data to the csv file open in $file_handle. uses the array indices of $data for column headers
+	 *
+	 * @param resource   $file_handle
+	 * @param array|null $data          2D array, first numerically-indexed,
+	 *                                  and next-level-down preferably indexed by string
+	 * @return boolean                  if we successfully wrote to the CSV or not.
+	 *                                  If there's no $data, we consider that a success
+	 *                                  (because we wrote everything there was...nothing)
+	 * @throws EE_Error
+	 */
+	public function write_data_array_to_csv($file_handle, ?array $data): bool
+	{
+		// determine if $data is actually a 2d array
+		if ($data && is_array(EEH_Array::get_one_item_from_array($data))) {
+			// make sure top level is numerically indexed,
+			if (EEH_Array::is_associative_array($data)) {
+				throw new EE_Error(
+					sprintf(
+						esc_html__(
+							"top-level array must be numerically indexed. Does these look like numbers to you? %s",
+							"event_espresso"
+						),
+						implode(",", array_keys($data))
+					)
+				);
+			}
+			$item_in_top_level_array = EEH_Array::get_one_item_from_array($data);
+			// now, is the last item in the top-level array of $data an associative or numeric array?
+			if (EEH_Array::is_associative_array($item_in_top_level_array)) {
+				// its associative, so we want to output its keys as column headers
+				$keys = array_keys($item_in_top_level_array);
+				$this->fputcsv2($file_handle, $keys);
+			}
+			// start writing data
+			foreach ($data as $data_row) {
+				$this->fputcsv2($file_handle, $data_row);
+			}
+			return true;
+		}
+		// no data TO write... so we can assume that's a success
+		return true;
+	}
+
+
+	/**
+	 * Should be called after begin_sending_csv(), and one or more write_data_array_to_csv()s.
+	 * Calls exit to prevent polluting the CSV file with other junk
+	 *
+	 * @param resource $fh file handle where we're writing the CSV to
+	 */
+	public function end_sending_csv($fh)
+	{
+		fclose($fh);
+		exit(0);
+	}
+
+
+	/**
+	 * Given an open file, writes all the model data to it in the format the importer expects.
+	 * Usually preceded by begin_sending_csv($filename), and followed by end_sending_csv($file_handle).
+	 *
+	 * @param resource $file_handle
+	 * @param array    $model_data_array is assumed to be a 3d array: 1st layer has keys of model names (eg 'Event'),
+	 *                                   next layer is numerically indexed to represent each model object (eg, each
+	 *                                   individual event), and the last layer has all the attributes of that model
+	 *                                   object (eg, the event's id, name, etc)
+	 * @return void
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function write_model_data_to_csv($file_handle, array $model_data_array)
+	{
+		$this->write_metadata_to_csv($file_handle);
+		foreach ($model_data_array as $model_name => $model_instance_arrays) {
+			// first: output a special row stating the model
+			$this->fputcsv2($file_handle, ['MODEL', $model_name]);
+			// if we have items to put in the CSV, do it normally
+
+			if (! empty($model_instance_arrays)) {
+				$this->write_data_array_to_csv($file_handle, $model_instance_arrays);
+			} else {
+				// echo "no data to write... so just write the headers";
+				// so there's actually NO model objects for that model.
+				// probably still want to show the columns
+				$model        = EE_Registry::instance()->load_model($model_name);
+				$column_names = [];
+				foreach ($model->field_settings() as $field) {
+					$column_names[ $field->get_nicename() . "[" . $field->get_name() . "]" ] = null;
+				}
+				$this->write_data_array_to_csv($file_handle, [$column_names]);
+			}
+		}
+	}
+
+
+	/**
+	 * Writes the CSV file to the output buffer, with rows corresponding to $model_data_array,
+	 * and dies (in order to avoid other plugins from messing up the csv output)
+	 *
+	 * @param string $filename         the filename you want to give the file
+	 * @param array  $model_data_array 3d array, as described in EE_CSV::write_model_data_to_csv()
+	 * @return void
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function export_multiple_model_data_to_csv(string $filename, array $model_data_array)
+	{
+		$file_handle = $this->begin_sending_csv($filename);
+		$this->write_model_data_to_csv($file_handle, $model_data_array);
+		$this->end_sending_csv($file_handle);
+	}
+
+
+	/**
+	 * export contents of an array to csv file
+	 *
+	 * @param array|null $data     - the array of data to be converted to csv and exported
+	 * @param string     $filename - name for newly created csv file
+	 * @return void
+	 */
+	public function export_array_to_csv(?array $data, string $filename = '')
+	{
+		// no data file or filename?? get outta here
+		if (empty($data) || ! $filename) {
+			return;
+		}
+		$fh = $this->begin_sending_csv($filename);
+		$this->end_sending_csv($fh);
+	}
+
+
+	/**
+	 * @Determine the maximum upload file size based on php.ini settings
+	 * @access    public
+	 * @param int $percent_of_max - desired percentage of the max upload_mb
+	 * @return int KB
+	 */
+	public function get_max_upload_size(int $percent_of_max = 0)
+	{
+		$max_upload   = (int) (ini_get('upload_max_filesize'));
+		$max_post     = (int) (ini_get('post_max_size'));
+		$memory_limit = (int) (ini_get('memory_limit'));
+
+		// determine the smallest of the three values from above
+		$upload_mb = min($max_upload, $max_post, $memory_limit);
+
+		// convert MB to KB
+		$upload_mb = $upload_mb * 1024;
+
+		// don't want the full monty? then reduce the max upload size
+		if ($percent_of_max) {
+			// is percent_of_max like this -> 50 or like this -> 0.50 ?
+			if ($percent_of_max > 1) {
+				// changes 50 to 0.50
+				$percent_of_max = $percent_of_max / 100;
+			}
+			// make upload_mb a percentage of the max upload_mb
+			$upload_mb = $upload_mb * $percent_of_max;
+		}
+
+		return $upload_mb;
+	}
+
+
+	/**
+	 * drop in replacement for PHP's fputcsv function - but this one works!!!
+	 *
+	 * @param resource $fh         - file handle - what we are writing to
+	 * @param array    $row        - individual row of csv data
+	 * @param string   $delimiter  - csv delimiter
+	 * @param string   $enclosure  - csv enclosure
+	 * @param bool     $mysql_null - allows php NULL to be overridden with MySQL's insertable NULL value
+	 * @return void
+	 */
+	private function fputcsv2(
+		$fh,
+		array $row,
+		string $delimiter = ',',
+		string $enclosure = '"',
+		bool $mysql_null = false
+	) {
+		// Allow user to filter the csv delimiter and enclosure for other countries csv standards
+		$delimiter = apply_filters('FHEE__EE_CSV__fputcsv2__delimiter', $delimiter);
+		$enclosure = apply_filters('FHEE__EE_CSV__fputcsv2__enclosure', $enclosure);
+
+		$delimiter_esc = preg_quote($delimiter, '/');
+		$enclosure_esc = preg_quote($enclosure, '/');
+
+		$output = [];
+		foreach ($row as $field_value) {
+			if (is_object($field_value) || is_array($field_value)) {
+				$field_value = serialize($field_value);
+			}
+			if ($field_value === null && $mysql_null) {
+				$output[] = 'NULL';
+				continue;
+			}
+
+			$output[] = preg_match("/(?:${delimiter_esc}|${enclosure_esc}|\s)/", $field_value)
+				? ($enclosure . str_replace($enclosure, $enclosure . $enclosure, $field_value) . $enclosure)
+				: $field_value;
+		}
+
+		fwrite($fh, join($delimiter, $output) . PHP_EOL);
+	}
+
+
+	/**
+	 * Gets the date format to use in teh csv. filterable
+	 *
+	 * @param string $current_format
+	 * @return string
+	 */
+	public function get_date_format_for_csv(string $current_format = ''): string
+	{
+		return apply_filters('FHEE__EE_CSV__get_date_format_for_csv__format', 'Y-m-d', $current_format);
+	}
+
+
+	/**
+	 * Gets the time format we want to use in CSV reports. Filterable
+	 *
+	 * @param string $current_format
+	 * @return string
+	 */
+	public function get_time_format_for_csv(string $current_format = ''): string
+	{
+		return apply_filters('FHEE__EE_CSV__get_time_format_for_csv__format', 'H:i:s', $current_format);
+	}
 }

core/db_classes/EE_Import.class.php

Indentation +985 added lines, -985 removed lines

@@ -13,94 +13,94 @@ 
  */
 class EE_Import implements ResettableInterface
 {
-    const do_insert  = 'insert';
-
-    const do_update  = 'update';
-
-    const do_nothing = 'nothing';
-
-    /**
-     * @var EE_Import
-     */
-    private static $_instance;
-
-    /**
-     * @var int
-     */
-    protected $_total_inserts = 0;
-
-    /**
-     * @var int
-     */
-    protected $_total_updates = 0;
-
-    /**
-     * @var int
-     */
-    protected $_total_insert_errors = 0;
-
-    /**
-     * @var int
-     */
-    protected $_total_update_errors = 0;
-
-
-    /**
-     * @return void
-     */
-    private function __construct()
-    {
-        $this->_total_inserts       = 0;
-        $this->_total_updates       = 0;
-        $this->_total_insert_errors = 0;
-        $this->_total_update_errors = 0;
-    }
-
-
-    /**
-     *    @ singleton method used to instantiate class object
-     *    @ access public
-     *
-     * @return EE_Import
-     */
-    public static function instance(): EE_Import
-    {
-        // check if class object is instantiated
-        if (! self::$_instance instanceof EE_Import) {
-            self::$_instance = new self();
-        }
-        return self::$_instance;
-    }
-
-
-    /**
-     * Resets the importer
-     *
-     * @return EE_Import
-     */
-    public static function reset(): EE_Import
-    {
-        self::$_instance = null;
-        return self::instance();
-    }
-
-
-    /**
-     * generates HTML for a file upload input and form
-     *
-     * @param string $title    - heading for the form
-     * @param string $intro    - additional text explaining what to do
-     * @param string $form_url - EE Admin page to direct form to - in the form "espresso_{pageslug}"
-     * @param string $action   - EE Admin page route array "action" that form will direct to
-     * @param string $type     - type of file to import
-     * @return string
-     */
-    public function upload_form(string $title, string $intro, string $form_url, string $action, string $type): string
-    {
-        $form_url = EE_Admin_Page::add_query_args_and_nonce(['action' => $action], $form_url);
-
-        ob_start();
-        ?>
+	const do_insert  = 'insert';
+
+	const do_update  = 'update';
+
+	const do_nothing = 'nothing';
+
+	/**
+	 * @var EE_Import
+	 */
+	private static $_instance;
+
+	/**
+	 * @var int
+	 */
+	protected $_total_inserts = 0;
+
+	/**
+	 * @var int
+	 */
+	protected $_total_updates = 0;
+
+	/**
+	 * @var int
+	 */
+	protected $_total_insert_errors = 0;
+
+	/**
+	 * @var int
+	 */
+	protected $_total_update_errors = 0;
+
+
+	/**
+	 * @return void
+	 */
+	private function __construct()
+	{
+		$this->_total_inserts       = 0;
+		$this->_total_updates       = 0;
+		$this->_total_insert_errors = 0;
+		$this->_total_update_errors = 0;
+	}
+
+
+	/**
+	 *    @ singleton method used to instantiate class object
+	 *    @ access public
+	 *
+	 * @return EE_Import
+	 */
+	public static function instance(): EE_Import
+	{
+		// check if class object is instantiated
+		if (! self::$_instance instanceof EE_Import) {
+			self::$_instance = new self();
+		}
+		return self::$_instance;
+	}
+
+
+	/**
+	 * Resets the importer
+	 *
+	 * @return EE_Import
+	 */
+	public static function reset(): EE_Import
+	{
+		self::$_instance = null;
+		return self::instance();
+	}
+
+
+	/**
+	 * generates HTML for a file upload input and form
+	 *
+	 * @param string $title    - heading for the form
+	 * @param string $intro    - additional text explaining what to do
+	 * @param string $form_url - EE Admin page to direct form to - in the form "espresso_{pageslug}"
+	 * @param string $action   - EE Admin page route array "action" that form will direct to
+	 * @param string $type     - type of file to import
+	 * @return string
+	 */
+	public function upload_form(string $title, string $intro, string $form_url, string $action, string $type): string
+	{
+		$form_url = EE_Admin_Page::add_query_args_and_nonce(['action' => $action], $form_url);
+
+		ob_start();
+		?>
         <div class="ee-upload-form-dv">
             <h3><?php echo esc_html($title); ?></h3>
             <p><?php echo esc_html($intro); ?></p>
@@ -119,906 +119,906 @@ 
                 <b><?php esc_html_e('Attention', 'event_espresso'); ?></b><br/>
                 <?php echo sprintf(esc_html__('Accepts .%s file types only.', 'event_espresso'), $type); ?>
                 <?php echo esc_html__(
-                    'Please only import CSV files exported from Event Espresso, or compatible 3rd-party software.',
-                    'event_espresso'
-                ); ?>
+					'Please only import CSV files exported from Event Espresso, or compatible 3rd-party software.',
+					'event_espresso'
+				); ?>
             </p>
 
         </div>
 
         <?php
-        return ob_get_clean();
-    }
-
-
-    /**
-     * @Import Event Espresso data - some code "borrowed" from event espresso csv_import.php
-     * @access public
-     * @return boolean success
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function import(): bool
-    {
-        require_once(EE_CLASSES . 'EE_CSV.class.php');
-        $EE_CSV = EE_CSV::instance();
-        /** @var RequestInterface $request */
-        $request = LoaderFactory::getLoader()->getShared(RequestInterface::class);
-        $files   = $this->getFileParams($request);
-
-        $filename  = $files['file']['name'][0];
-        $file_ext  = substr(strrchr($filename, '.'), 1);
-        $temp_file = $files['file']['tmp_name'][0];
-        $filesize  = $files['file']['size'][0] / 1024;// convert from bytes to KB
-
-        if ($file_ext !== 'csv') {
-            EE_Error::add_error(
-                sprintf(
-                    esc_html__('%s  had an invalid file extension, not uploaded', 'event_espresso'),
-                    $filename
-                ),
-                __FILE__,
-                __FUNCTION__,
-                __LINE__
-            );
-            return false;
-        }
-
-        $ignore_max_file_size = (bool) apply_filters('FHEE__EE_Import__import__ignore_max_file_size', true, $files);
-        if (! $ignore_max_file_size) {
-            // max upload size in KB
-            $max_upload = $EE_CSV->get_max_upload_size();
-            if ($filesize > $max_upload) {
-                EE_Error::add_error(
-                    sprintf(
-                        esc_html__(
-                            "%s was too large of a file and could not be uploaded. The max filesize is %s' KB.",
-                            'event_espresso'
-                        ),
-                        $filename,
-                        $max_upload
-                    ),
-                    __FILE__,
-                    __FUNCTION__,
-                    __LINE__
-                );
-                return false;
-            }
-        }
-
-        $wp_upload_dir = str_replace(['\\', '/'], '/', wp_upload_dir());
-        $path_to_file  = $wp_upload_dir['basedir'] . '/espresso/' . $filename;
-
-        if (! move_uploaded_file($temp_file, $path_to_file)) {
-            EE_Error::add_error(
-                sprintf(
-                    esc_html__('%s was not successfully uploaded', 'event_espresso'),
-                    $filename
-                ),
-                __FILE__,
-                __FUNCTION__,
-                __LINE__
-            );
-            return false;
-        }
-
-        // convert csv to array
-        $csv_array = $EE_CSV->import_csv_to_model_data_array($path_to_file);
-
-        // was data successfully stored in an array?
-        if (! is_array($csv_array)) {
-            // no array? must be an error
-            EE_Error::add_error(
-                esc_html__('No file seems to have been uploaded', 'event_espresso'),
-                __FILE__,
-                __FUNCTION__,
-                __LINE__
-            );
-            return false;
-        }
-
-        // save processed codes to db
-        if ($this->save_csv_data_array_to_db($csv_array)) {
-            return true;
-        }
-        return false;
-    }
-
-
-    /**
-     * @param RequestInterface $request
-     * @return array|null
-     * @since $VID:$
-     */
-    private function getFileParams(RequestInterface $request): ?array
-    {
-        $error = null;
-        if (! ($request->requestParamIsSet('import') && $request->requestParamIsSet('csv_submitted'))) {
-            $error = esc_html__(
-                "Invalid request. Expected request params 'import' or 'csv_submitted' were missing.",
-                'event_espresso'
-            );
-        }
-        $files = $request->filesParams();
-
-        if (! $error) {
-            switch ($files['file']['error'][0]) {
-                case UPLOAD_ERR_OK:
-                    break;
-                case UPLOAD_ERR_INI_SIZE:
-                    $error = esc_html__(
-                        "'The uploaded file exceeds the upload_max_filesize directive in php.ini.'",
-                        'event_espresso'
-                    );
-                    break;
-                case UPLOAD_ERR_FORM_SIZE:
-                    $error = esc_html__(
-                        'The uploaded file exceeds the MAX_FILE_SIZE directive that was specified in the HTML form.',
-                        'event_espresso'
-                    );
-                    break;
-                case UPLOAD_ERR_PARTIAL:
-                    $error = esc_html__('The uploaded file was only partially uploaded.', 'event_espresso');
-                    break;
-                case UPLOAD_ERR_NO_FILE:
-                    $error = esc_html__('No file was uploaded.', 'event_espresso');
-                    break;
-                case UPLOAD_ERR_NO_TMP_DIR:
-                    $error = esc_html__('Missing a temporary folder.', 'event_espresso');
-                    break;
-                case UPLOAD_ERR_CANT_WRITE:
-                    $error = esc_html__('Failed to write file to disk.', 'event_espresso');
-                    break;
-                case UPLOAD_ERR_EXTENSION:
-                    $error = esc_html__('File upload stopped by extension.', 'event_espresso');
-                    break;
-                default:
-                    $error = esc_html__(
-                        'An unknown error occurred and the file could not be uploaded',
-                        'event_espresso'
-                    );
-            }
-        }
-
-        if ($error) {
-            EE_Error::add_error($error, __FILE__, __FUNCTION__, __LINE__);
-            return null;
-        }
-
-        return $files;
-    }
-
-
-    /**
-     *    Given an array of data (usually from a CSV import) attempts to save that data to the db.
-     *    If $model_name ISN'T provided, assumes that this is a 3d array, with toplevel keys being model names,
-     *    next level being numeric indexes adn each value representing a model object, and the last layer down
-     *    being keys of model fields and their proposed values.
-     *    If $model_name IS provided, assumes a 2d array of the bottom two layers previously mentioned.
-     *    If the CSV data says (in the metadata row) that it's from the SAME database,
-     *    we treat the IDs in the CSV as the normal IDs, and try to update those records. However, if those
-     *    IDs DON'T exist in the database, they're treated as temporary IDs,
-     *    which can used elsewhere to refer to the same object. Once an item
-     *    with a temporary ID gets inserted, we record its mapping from temporary
-     *    ID to real ID, and use the real ID in place of the temporary ID
-     *    when that temporary ID was used as a foreign key.
-     *    If the CSV data says (in the metadata again) that it's from a DIFFERENT database,
-     *    we treat all the IDs in the CSV as temporary ID- eg, if the CSV specifies an event with
-     *    ID 1, and the database already has an event with ID 1, we assume that's just a coincidence,
-     *    and insert a new event, and map it's temporary ID of 1 over to its new real ID.
-     *    An important exception are non-auto-increment primary keys. If one entry in the
-     *    CSV file has the same ID as one in the DB, we assume they are meant to be
-     *    the same item, and instead update the item in the DB with that same ID.
-     *    Also note, we remember the mappings permanently. So the 2nd, 3rd, and 10000th
-     *    time you import a CSV from a different site, we remember their mappings, and
-     * will try to update the item in the DB instead of inserting another item (eg
-     * if we previously imported an event with temporary ID 1, and then it got a
-     * real ID of 123, we remember that. So the next time we import an event with
-     * temporary ID, from the same site, we know that it's real ID is 123, and will
-     * update that event, instead of adding a new event).
-     *
-     * @param array  $csv_data_array    the array containing the csv data produced from
-     *                                  EE_CSV::import_csv_to_model_data_array()
-     * @param string $model_name
-     * @return bool                     TRUE on success, FALSE on fail
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function save_csv_data_array_to_db(array $csv_data_array, string $model_name = ''): bool
-    {
-        $success = false;
-        // whether to treat this import as if it's data from a different database or not
-        // ie, if it IS from a different database, ignore foreign keys with
-        $export_from_site_a_to_b = true;
-        // first level of array is not table information but a table name was passed to the function
-        // array is only two levels deep, so let's fix that by adding a level, else the next steps will fail
-        if ($model_name) {
-            $csv_data_array = [$csv_data_array];
-        }
-        // begin looking through the $csv_data_array, expecting the toplevel key to be the model's name...
-        $old_site_url = 'none-specified';
-        // handle metadata
-        if (isset($csv_data_array[ EE_CSV::metadata_header ])) {
-            $csv_metadata = array_shift($csv_data_array[ EE_CSV::metadata_header ]);
-            // ok so its metadata, dont try to save it to the db obviously...
-            if (isset($csv_metadata['site_url']) && $csv_metadata['site_url'] == site_url()) {
-                EE_Error::add_attention(
-                    esc_html__(
-                        'CSV Data appears to be from the same database, so attempting to update data',
-                        'event_espresso'
-                    )
-                );
-                $export_from_site_a_to_b = false;
-            } else {
-                $old_site_url = $csv_metadata['site_url'] ?? $old_site_url;
-                EE_Error::add_attention(
-                    sprintf(
-                        esc_html__(
-                            "CSV Data appears to be from a different database (%s instead of %s), so we assume IDs in the CSV data DO NOT correspond to IDs in this database",
-                            "event_espresso"
-                        ),
-                        $old_site_url,
-                        site_url()
-                    )
-                );
-            }
-            unset($csv_data_array[ EE_CSV::metadata_header ]);
-        }
-
-        $id_mapping_option_name = 'ee_id_mapping_from' . sanitize_title($old_site_url);
-        /**
-         * @var $old_db_to_new_db_mapping   2d array: toplevel keys being model names,
-         *                                            bottom-level keys being the original key,
-         *                                            and the value will be the newly-inserted ID.
-         *                                  If we have already imported data from the same website via CSV,
-         *                                  it should be kept in this wp option
-         */
-        $old_db_to_new_db_mapping = (array) get_option($id_mapping_option_name, []);
-
-        if ($old_db_to_new_db_mapping) {
-            EE_Error::add_attention(
-                sprintf(
-                    esc_html__(
-                        "We noticed you have imported data via CSV from %s before. Because of this, IDs in your CSV have been mapped to their new IDs in %s",
-                        "event_espresso"
-                    ),
-                    $old_site_url,
-                    site_url()
-                )
-            );
-        }
-        $old_db_to_new_db_mapping = $this->save_data_rows_to_db(
-            $csv_data_array,
-            $export_from_site_a_to_b,
-            $old_db_to_new_db_mapping
-        );
-
-        // save the mapping from old db to new db in case they try re-importing the same data from the same website again
-        update_option($id_mapping_option_name, $old_db_to_new_db_mapping);
-
-        if ($this->_total_updates > 0) {
-            EE_Error::add_success(
-                sprintf(
-                    esc_html__("%s existing records in the database were updated.", "event_espresso"),
-                    $this->_total_updates
-                )
-            );
-            $success = true;
-        }
-        if ($this->_total_inserts > 0) {
-            EE_Error::add_success(
-                sprintf(
-                    esc_html__("%s new records were added to the database.", "event_espresso"),
-                    $this->_total_inserts
-                )
-            );
-            $success = true;
-        }
-
-        if ($this->_total_update_errors > 0) {
-            EE_Error::add_error(
-                sprintf(
-                    esc_html__(
-                        "'One or more errors occurred, and a total of %s existing records in the database were <strong>not</strong> updated.'",
-                        "event_espresso"
-                    ),
-                    $this->_total_update_errors
-                ),
-                __FILE__,
-                __FUNCTION__,
-                __LINE__
-            );
-            $success = false;
-        }
-        if ($this->_total_insert_errors > 0) {
-            EE_Error::add_error(
-                sprintf(
-                    esc_html__(
-                        "One or more errors occurred, and a total of %s new records were <strong>not</strong> added to the database.'",
-                        "event_espresso"
-                    ),
-                    $this->_total_insert_errors
-                ),
-                __FILE__,
-                __FUNCTION__,
-                __LINE__
-            );
-            $success = false;
-        }
-
-        // lastly, we need to update the datetime and ticket sold amounts
-        // as those may have been affected by this
-        EEM_Ticket::instance()->update_tickets_sold(EEM_Ticket::instance()->get_all());
-
-        // if there was at least one success and absolutely no errors
-        return $success;
-    }
-
-
-    /**
-     * Processes the array of data, given the knowledge that it's from the same database or a different one,
-     * and the mapping from temporary IDs to real IDs.
-     * If the data is from a different database, we treat the primary keys and their corresponding
-     * foreign keys as "temp Ids", basically identifiers that get mapped to real primary keys
-     * in the real target database. As items are inserted, their temporary primary keys
-     * are mapped to the real IDs in the target database. Also, before doing any update or
-     * insert, we replace all the temp ID which are foreign keys with their mapped real IDs.
-     * An exception: string primary keys are treated as real IDs, or else we'd need to
-     * dynamically generate new string primary keys which would be very awkward for the country table etc.
-     * Also, models with no primary key are strange too. We combine use their primary key INDEX (a
-     * combination of fields) to create a unique string identifying the row and store
-     * those in the mapping.
-     *
-     * If the data is from the same database, we usually treat primary keys as real IDs.
-     * An exception is if there is nothing in the database for that ID. If that's the case,
-     * we need to insert a new row for that ID, and then map from the non-existent ID
-     * to the newly-inserted real ID.
-     *
-     * @param array $csv_data_array
-     * @param bool  $export_from_site_a_to_b
-     * @param array $old_db_to_new_db_mapping
-     * @return array|bool updated $old_db_to_new_db_mapping
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function save_data_rows_to_db(
-        array $csv_data_array,
-        bool $export_from_site_a_to_b,
-        array $old_db_to_new_db_mapping
-    ) {
-        foreach ($csv_data_array as $model_name => $model_data_from_import) {
-            // check that assumption was correct. If
-            if (! EE_Registry::instance()->is_model_name($model_name)) {
-                // no table info in the array and no table name passed to the function?? FAIL
-                EE_Error::add_error(
-                    esc_html__(
-                        'No table information was specified and/or found, therefore the import could not be completed',
-                        'event_espresso'
-                    ),
-                    __FILE__,
-                    __FUNCTION__,
-                    __LINE__
-                );
-                return false;
-            }
-
-            /* @var $model EEM_Base */
-            $model = EE_Registry::instance()->load_model($model_name);
-
-            // so without further ado, scanning all the data provided for primary keys and their initial values
-            foreach ($model_data_from_import as $model_object_data) {
-                // before we do ANYTHING, make sure the csv row wasn't just completely blank
-                $row_is_completely_empty = true;
-                foreach ($model_object_data as $field) {
-                    if ($field) {
-                        $row_is_completely_empty = false;
-                    }
-                }
-                if ($row_is_completely_empty) {
-                    continue;
-                }
-                // find the PK in the row of data (or a combined key if
-                // there is no primary key)
-                if ($model->has_primary_key_field()) {
-                    $id_in_csv = $model_object_data[ $model->primary_key_name() ];
-                } else {
-                    $id_in_csv = $model->get_index_primary_key_string($model_object_data);
-                }
-
-                $model_object_data = $this->_replace_temp_ids_with_mappings(
-                    $model_object_data,
-                    $model,
-                    $old_db_to_new_db_mapping,
-                    $export_from_site_a_to_b
-                );
-                // now we need to decide if we're going to
-                $what_to_do = $export_from_site_a_to_b
-                    // add a new model object given the $model_object_data
-                    ? $this->_decide_whether_to_insert_or_update_given_data_from_other_db(
-                        $id_in_csv,
-                        $model_name,
-                        $old_db_to_new_db_mapping
-                    )
-                    //  or just update cuz this is just a re-import
-                    : $this->_decide_whether_to_insert_or_update_given_data_from_same_db(
-                        $model_object_data,
-                        $model
-                    );
-
-                if ($what_to_do === EE_Import::do_nothing) {
-                    continue;
-                }
-
-                // double-check we actually want to insert, if that's what we're planning
-                // based on whether this item would be unique in the DB or not
-                if ($what_to_do == EE_Import::do_insert) {
-                    // we're supposed to be inserting. But wait, will this thing
-                    // be acceptable if inserted?
-                    $conflicting = $model->get_one_conflicting($model_object_data, false);
-                    if ($conflicting) {
-                        // ok, this item would conflict if inserted. Just update the item that it conflicts with.
-                        $what_to_do = EE_Import::do_update;
-                        // and if this model has a primary key, remember its mapping
-                        if ($model->has_primary_key_field()) {
-                            $old_db_to_new_db_mapping[ $model_name ][ $id_in_csv ] = $conflicting->ID();
-                            $model_object_data[ $model->primary_key_name() ]       = $conflicting->ID();
-                        } else {
-                            // we want to update this conflicting item, instead of inserting a conflicting item
-                            // so we need to make sure they match entirely
-                            // (it's possible that they only conflicted on one field,
-                            // but we need them to match on other fields for the WHERE conditions in the update).
-                            // At the time of this comment, there were no models like this
-                            foreach ($model->get_combined_primary_key_fields() as $key_field) {
-                                $model_object_data[ $key_field->get_name() ] = $conflicting->get(
-                                    $key_field->get_name()
-                                );
-                            }
-                        }
-                    }
-                }
-                if ($what_to_do == EE_Import::do_insert) {
-                    $old_db_to_new_db_mapping = $this->_insert_from_data_array(
-                        $id_in_csv,
-                        $model_object_data,
-                        $model,
-                        $old_db_to_new_db_mapping
-                    );
-                } elseif ($what_to_do == EE_Import::do_update) {
-                    $old_db_to_new_db_mapping = $this->_update_from_data_array(
-                        $id_in_csv,
-                        $model_object_data,
-                        $model,
-                        $old_db_to_new_db_mapping
-                    );
-                } else {
-                    throw new EE_Error(
-                        sprintf(
-                            esc_html__(
-                                'Programming error. We should be inserting or updating, but instead we are being told to "%s", whifh is invalid',
-                                'event_espresso'
-                            ),
-                            $what_to_do
-                        )
-                    );
-                }
-            }
-        }
-        return $old_db_to_new_db_mapping;
-    }
-
-
-    /**
-     * Decides whether or not to insert, given that this data is from another database.
-     * So, if the primary key of this $model_object_data already exists in the database,
-     * it's just a coincidence and we should still insert. The only time we should
-     * update is when we know what it maps to, or there's something that would
-     * conflict (and we should instead just update that conflicting thing)
-     *
-     * @param string $id_in_csv
-     * @param string $model_name
-     * @param array  $old_db_to_new_db_mapping by reference so it can be modified
-     * @return string one of the constants on this class that starts with do_*
-     */
-    protected function _decide_whether_to_insert_or_update_given_data_from_other_db(
-        string $id_in_csv,
-        string $model_name,
-        array $old_db_to_new_db_mapping
-    ): string {
-        // if it's a site-to-site export-and-import, see if this model object's id
-        // in the old data that we know of
-        if (isset($old_db_to_new_db_mapping[ $model_name ][ $id_in_csv ])) {
-            return EE_Import::do_update;
-        }
-        return EE_Import::do_insert;
-    }
-
-
-    /**
-     * If this thing basically already exists in the database, we want to update it;
-     * otherwise insert it (ie, someone tweaked the CSV file, or the item was
-     * deleted in the database so it should be re-inserted)
-     *
-     * @param array    $model_object_data
-     * @param EEM_Base $model
-     * @return string
-     * @throws EE_Error
-     */
-    protected function _decide_whether_to_insert_or_update_given_data_from_same_db(
-        array $model_object_data,
-        EEM_Base $model
-    ): string {
-        // in this case, check if this thing ACTUALLY exists in the database
-        if ($model->get_one_conflicting($model_object_data)) {
-            return EE_Import::do_update;
-        }
-        return EE_Import::do_insert;
-    }
-
-
-    /**
-     * Using the $old_db_to_new_db_mapping array, replaces all the temporary IDs
-     * with their mapped real IDs. Eg, if importing from site A to B, the mapping
-     * file may indicate that the ID "my_event_id" maps to an actual event ID of 123.
-     * So this function searches for any event temp Ids called "my_event_id" and
-     * replaces them with 123.
-     * Also, if there is no temp ID for the INT foreign keys from another database,
-     * replaces them with 0 or the field's default.
-     *
-     * @param array    $model_object_data
-     * @param EEM_Base $model
-     * @param array    $old_db_to_new_db_mapping
-     * @param bool     $export_from_site_a_to_b
-     * @return array updated model object data with temp IDs removed
-     * @throws EE_Error
-     */
-    protected function _replace_temp_ids_with_mappings(
-        array $model_object_data,
-        EEM_Base $model,
-        array $old_db_to_new_db_mapping,
-        bool $export_from_site_a_to_b
-    ): array {
-        // if this model object's primary key is in the mapping, replace it
-        if (
-            $model->has_primary_key_field()
-            && $model->get_primary_key_field()->is_auto_increment()
-            && isset($old_db_to_new_db_mapping[ $model->get_this_model_name() ])
-            && isset(
-                $old_db_to_new_db_mapping[ $model->get_this_model_name(
-                ) ][ $model_object_data[ $model->primary_key_name() ] ]
-            )
-        ) {
-            $model_object_data[ $model->primary_key_name() ] = $old_db_to_new_db_mapping[ $model->get_this_model_name(
-            ) ][ $model_object_data[ $model->primary_key_name() ] ];
-        }
-
-        try {
-            $model_name_field = $model->get_field_containing_related_model_name();
-        } catch (EE_Error $e) {
-            $model_name_field = null;
-        }
-
-        foreach ($model->field_settings(true) as $field_obj) {
-            if (! $field_obj instanceof EE_Foreign_Key_Int_Field) {
-                // not a foreign key, or it's a string foreign key
-                // which we leave alone, because those are things like country names,
-                // which we'd really rather not make 2 USAs etc (we'd actually prefer to just update one)
-                // or it's just a regular value that ought to be replaced
-                continue;
-            }
-            $models_pointed_to = $field_obj->get_model_names_pointed_to();
-            foreach ($models_pointed_to as $model_pointed_to_by_fk) {
-                if ($model_name_field) {
-                    $value_of_model_name_field = $model_object_data[ $model_name_field->get_name() ];
-                    if ($value_of_model_name_field == $model_pointed_to_by_fk) {
-                        $model_object_data[ $field_obj->get_name() ] = $this->_find_mapping_in(
-                            $model_object_data[ $field_obj->get_name() ],
-                            $model_pointed_to_by_fk,
-                            $old_db_to_new_db_mapping,
-                            $export_from_site_a_to_b
-                        );
-                        // once we've found a mapping for this field no need to continue
-                        // break;
-                    }
-                } else {
-                    $model_object_data[ $field_obj->get_name() ] = $this->_find_mapping_in(
-                        $model_object_data[ $field_obj->get_name() ],
-                        $model_pointed_to_by_fk,
-                        $old_db_to_new_db_mapping,
-                        $export_from_site_a_to_b
-                    );
-                    // once we've found a mapping for this field no need to continue
-                    // break;
-                }
-            }
-        }
-
-        if ($model instanceof EEM_Term_Taxonomy) {
-            $model_object_data = $this->_handle_split_term_ids($model_object_data);
-        }
-        return $model_object_data;
-    }
-
-
-    /**
-     * If the data was exported PRE-4.2, but then imported POST-4.2, then the term_id
-     * this term-taxonomy refers to may be out-of-date so we need to update it.
-     * see https://make.wordpress.org/core/2015/02/16/taxonomy-term-splitting-in-4-2-a-developer-guide/
-     *
-     * @param array $model_object_data
-     * @return array new model object data
-     */
-    protected function _handle_split_term_ids(array $model_object_data): array
-    {
-        if (
-            isset($model_object_data['term_id'])
-            && isset($model_object_data['taxonomy'])
-            && apply_filters(
-                'FHEE__EE_Import__handle_split_term_ids__function_exists',
-                function_exists('wp_get_split_term'),
-                $model_object_data
-            )
-        ) {
-            $new_term_id = wp_get_split_term($model_object_data['term_id'], $model_object_data['taxonomy']);
-            if ($new_term_id) {
-                $model_object_data['term_id'] = $new_term_id;
-            }
-        }
-        return $model_object_data;
-    }
-
-
-    /**
-     * Given the object's ID and its model's name, find it int he mapping data,
-     * bearing in mind where it came from
-     *
-     * @param int|string $object_id
-     * @param string     $model_name
-     * @param array      $old_db_to_new_db_mapping
-     * @param bool       $export_from_site_a_to_b
-     * @return int
-     */
-    protected function _find_mapping_in(
-        $object_id,
-        string $model_name,
-        array $old_db_to_new_db_mapping,
-        bool $export_from_site_a_to_b
-    ) {
-        if (isset($old_db_to_new_db_mapping[ $model_name ][ $object_id ])) {
-            return $old_db_to_new_db_mapping[ $model_name ][ $object_id ];
-        }
-        if ($object_id == '0' || $object_id == '') {
-            // leave as-is
-            return $object_id;
-        }
-        if ($export_from_site_a_to_b) {
-            // we couldn't find a mapping for this, and it's from a different site,
-            // so blank it out
-            return null;
-        }
-        // we couldn't find a mapping for this, but it's from this DB anyway
-        // so let's just leave it as-is
-        return $object_id;
-    }
-
-
-    /**
-     *
-     * @param int|string     $id_in_csv
-     * @param array  $model_object_data
-     * @param EEM_Base $model
-     * @param array  $old_db_to_new_db_mapping
-     * @return array updated $old_db_to_new_db_mapping
-     * @throws EE_Error
-     */
-    protected function _insert_from_data_array(
-        $id_in_csv,
-        array $model_object_data,
-        EEM_Base $model,
-        array $old_db_to_new_db_mapping
-    ): array {
-        // remove the primary key, if there is one (we don't want it for inserts OR updates)
-        // we'll put it back in if we need it
-        if ($model->has_primary_key_field() && $model->get_primary_key_field()->is_auto_increment()) {
-            $effective_id = $model_object_data[ $model->primary_key_name() ];
-            unset($model_object_data[ $model->primary_key_name() ]);
-        } else {
-            $effective_id = $model->get_index_primary_key_string($model_object_data);
-        }
-        // the model takes care of validating the CSV's input
-        try {
-            $new_id = $model->insert($model_object_data);
-            if ($new_id) {
-                $old_db_to_new_db_mapping[ $model->get_this_model_name() ][ $id_in_csv ] = $new_id;
-                $this->_total_inserts++;
-                EE_Error::add_success(
-                    sprintf(
-                        esc_html__("Successfully added new %s (with id %s) with csv data %s", "event_espresso"),
-                        $model->get_this_model_name(),
-                        $new_id,
-                        implode(",", $model_object_data)
-                    )
-                );
-            } else {
-                $this->_total_insert_errors++;
-                // put the ID used back in there for the error message
-                if ($model->has_primary_key_field()) {
-                    $model_object_data[ $model->primary_key_name() ] = $effective_id;
-                }
-                EE_Error::add_error(
-                    sprintf(
-                        esc_html__("Could not insert new %s with the csv data: %s", "event_espresso"),
-                        $model->get_this_model_name(),
-                        http_build_query($model_object_data)
-                    ),
-                    __FILE__,
-                    __FUNCTION__,
-                    __LINE__
-                );
-            }
-        } catch (EE_Error $e) {
-            $this->_total_insert_errors++;
-            if ($model->has_primary_key_field()) {
-                $model_object_data[ $model->primary_key_name() ] = $effective_id;
-            }
-            EE_Error::add_error(
-                sprintf(
-                    esc_html__("Could not insert new %s with the csv data: %s because %s", "event_espresso"),
-                    $model->get_this_model_name(),
-                    implode(",", $model_object_data),
-                    $e->getMessage()
-                ),
-                __FILE__,
-                __FUNCTION__,
-                __LINE__
-            );
-        }
-        return $old_db_to_new_db_mapping;
-    }
-
-
-    /**
-     * Given the model object data, finds the row to update and updates it
-     *
-     * @param string|int $id_in_csv
-     * @param array      $model_object_data
-     * @param EEM_Base   $model
-     * @param array      $old_db_to_new_db_mapping
-     * @return array updated $old_db_to_new_db_mapping
-     */
-    protected function _update_from_data_array(
-        $id_in_csv,
-        array $model_object_data,
-        EEM_Base $model,
-        array $old_db_to_new_db_mapping
-    ): array {
-        $conditions = null;
-        try {
-            // let's keep two copies of the model object data:
-            // one for performing an update, one for everything else
-            $model_object_data_for_update = $model_object_data;
-            if ($model->has_primary_key_field()) {
-                $conditions = [$model->primary_key_name() => $model_object_data[ $model->primary_key_name() ]];
-                // remove the primary key because we shouldn't use it for updating
-                unset($model_object_data_for_update[ $model->primary_key_name() ]);
-            } elseif ($model->get_combined_primary_key_fields() > 1) {
-                $conditions = [];
-                foreach ($model->get_combined_primary_key_fields() as $key_field) {
-                    $conditions[ $key_field->get_name() ] = $model_object_data[ $key_field->get_name() ];
-                }
-            } else {
-                // this should just throw an exception, explaining that we dont have a primary key (or a combined key)
-                $model->primary_key_name();
-            }
-
-            $success = $model->update($model_object_data_for_update, [$conditions]);
-            if ($success) {
-                $this->_total_updates++;
-                EE_Error::add_success(
-                    sprintf(
-                        esc_html__("Successfully updated %s with csv data %s", "event_espresso"),
-                        $model->get_this_model_name(),
-                        implode(",", $model_object_data_for_update)
-                    )
-                );
-                // we should still record the mapping even though it was an update
-                // because if we were going to insert something but it was going to conflict
-                // we would have last-minute decided to update. So we'd like to know what we updated
-                // and so we record what record ended up being updated using the mapping
-                if ($model->has_primary_key_field()) {
-                    $new_key_for_mapping = $model_object_data[ $model->primary_key_name() ];
-                } else {
-                    // no primary key just a combined key
-                    $new_key_for_mapping = $model->get_index_primary_key_string($model_object_data);
-                }
-                $old_db_to_new_db_mapping[ $model->get_this_model_name() ][ $id_in_csv ] = $new_key_for_mapping;
-            } else {
-                $matched_items = $model->get_all([$conditions]);
-                if (! $matched_items) {
-                    // no items were matched (so we shouldn't have updated)... but then we should have inserted? what the heck?
-                    $this->_total_update_errors++;
-                    EE_Error::add_error(
-                        sprintf(
-                            esc_html__(
-                                "Could not update %s with the csv data: '%s' for an unknown reason (using WHERE conditions %s)",
-                                "event_espresso"
-                            ),
-                            $model->get_this_model_name(),
-                            http_build_query($model_object_data),
-                            http_build_query($conditions)
-                        ),
-                        __FILE__,
-                        __FUNCTION__,
-                        __LINE__
-                    );
-                } else {
-                    $this->_total_updates++;
-                    EE_Error::add_success(
-                        sprintf(
-                            esc_html__(
-                                "%s with csv data '%s' was found in the database and didn't need updating because all the data is identical.",
-                                "event_espresso"
-                            ),
-                            $model->get_this_model_name(),
-                            implode(",", $model_object_data)
-                        )
-                    );
-                }
-            }
-        } catch (EE_Error $e) {
-            $this->_total_update_errors++;
-            $basic_message = sprintf(
-                esc_html__("Could not update %s with the csv data: %s because %s", "event_espresso"),
-                $model->get_this_model_name(),
-                implode(",", $model_object_data),
-                $e->getMessage()
-            );
-            $debug_message = $basic_message . ' Stack trace: ' . $e->getTraceAsString();
-            EE_Error::add_error("$basic_message | $debug_message", __FILE__, __FUNCTION__, __LINE__);
-        }
-        return $old_db_to_new_db_mapping;
-    }
-
-
-    /**
-     * Gets the number of inserts performed since importer was instantiated or reset
-     *
-     * @return int
-     */
-    public function get_total_inserts(): int
-    {
-        return $this->_total_inserts;
-    }
-
-
-    /**
-     *  Gets the number of insert errors since importer was instantiated or reset
-     *
-     * @return int
-     */
-    public function get_total_insert_errors(): int
-    {
-        return $this->_total_insert_errors;
-    }
-
-
-    /**
-     *  Gets the number of updates performed since importer was instantiated or reset
-     *
-     * @return int
-     */
-    public function get_total_updates(): int
-    {
-        return $this->_total_updates;
-    }
-
-
-    /**
-     *  Gets the number of update errors since importer was instantiated or reset
-     *
-     * @return int
-     */
-    public function get_total_update_errors(): int
-    {
-        return $this->_total_update_errors;
-    }
+		return ob_get_clean();
+	}
+
+
+	/**
+	 * @Import Event Espresso data - some code "borrowed" from event espresso csv_import.php
+	 * @access public
+	 * @return boolean success
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function import(): bool
+	{
+		require_once(EE_CLASSES . 'EE_CSV.class.php');
+		$EE_CSV = EE_CSV::instance();
+		/** @var RequestInterface $request */
+		$request = LoaderFactory::getLoader()->getShared(RequestInterface::class);
+		$files   = $this->getFileParams($request);
+
+		$filename  = $files['file']['name'][0];
+		$file_ext  = substr(strrchr($filename, '.'), 1);
+		$temp_file = $files['file']['tmp_name'][0];
+		$filesize  = $files['file']['size'][0] / 1024;// convert from bytes to KB
+
+		if ($file_ext !== 'csv') {
+			EE_Error::add_error(
+				sprintf(
+					esc_html__('%s  had an invalid file extension, not uploaded', 'event_espresso'),
+					$filename
+				),
+				__FILE__,
+				__FUNCTION__,
+				__LINE__
+			);
+			return false;
+		}
+
+		$ignore_max_file_size = (bool) apply_filters('FHEE__EE_Import__import__ignore_max_file_size', true, $files);
+		if (! $ignore_max_file_size) {
+			// max upload size in KB
+			$max_upload = $EE_CSV->get_max_upload_size();
+			if ($filesize > $max_upload) {
+				EE_Error::add_error(
+					sprintf(
+						esc_html__(
+							"%s was too large of a file and could not be uploaded. The max filesize is %s' KB.",
+							'event_espresso'
+						),
+						$filename,
+						$max_upload
+					),
+					__FILE__,
+					__FUNCTION__,
+					__LINE__
+				);
+				return false;
+			}
+		}
+
+		$wp_upload_dir = str_replace(['\\', '/'], '/', wp_upload_dir());
+		$path_to_file  = $wp_upload_dir['basedir'] . '/espresso/' . $filename;
+
+		if (! move_uploaded_file($temp_file, $path_to_file)) {
+			EE_Error::add_error(
+				sprintf(
+					esc_html__('%s was not successfully uploaded', 'event_espresso'),
+					$filename
+				),
+				__FILE__,
+				__FUNCTION__,
+				__LINE__
+			);
+			return false;
+		}
+
+		// convert csv to array
+		$csv_array = $EE_CSV->import_csv_to_model_data_array($path_to_file);
+
+		// was data successfully stored in an array?
+		if (! is_array($csv_array)) {
+			// no array? must be an error
+			EE_Error::add_error(
+				esc_html__('No file seems to have been uploaded', 'event_espresso'),
+				__FILE__,
+				__FUNCTION__,
+				__LINE__
+			);
+			return false;
+		}
+
+		// save processed codes to db
+		if ($this->save_csv_data_array_to_db($csv_array)) {
+			return true;
+		}
+		return false;
+	}
+
+
+	/**
+	 * @param RequestInterface $request
+	 * @return array|null
+	 * @since $VID:$
+	 */
+	private function getFileParams(RequestInterface $request): ?array
+	{
+		$error = null;
+		if (! ($request->requestParamIsSet('import') && $request->requestParamIsSet('csv_submitted'))) {
+			$error = esc_html__(
+				"Invalid request. Expected request params 'import' or 'csv_submitted' were missing.",
+				'event_espresso'
+			);
+		}
+		$files = $request->filesParams();
+
+		if (! $error) {
+			switch ($files['file']['error'][0]) {
+				case UPLOAD_ERR_OK:
+					break;
+				case UPLOAD_ERR_INI_SIZE:
+					$error = esc_html__(
+						"'The uploaded file exceeds the upload_max_filesize directive in php.ini.'",
+						'event_espresso'
+					);
+					break;
+				case UPLOAD_ERR_FORM_SIZE:
+					$error = esc_html__(
+						'The uploaded file exceeds the MAX_FILE_SIZE directive that was specified in the HTML form.',
+						'event_espresso'
+					);
+					break;
+				case UPLOAD_ERR_PARTIAL:
+					$error = esc_html__('The uploaded file was only partially uploaded.', 'event_espresso');
+					break;
+				case UPLOAD_ERR_NO_FILE:
+					$error = esc_html__('No file was uploaded.', 'event_espresso');
+					break;
+				case UPLOAD_ERR_NO_TMP_DIR:
+					$error = esc_html__('Missing a temporary folder.', 'event_espresso');
+					break;
+				case UPLOAD_ERR_CANT_WRITE:
+					$error = esc_html__('Failed to write file to disk.', 'event_espresso');
+					break;
+				case UPLOAD_ERR_EXTENSION:
+					$error = esc_html__('File upload stopped by extension.', 'event_espresso');
+					break;
+				default:
+					$error = esc_html__(
+						'An unknown error occurred and the file could not be uploaded',
+						'event_espresso'
+					);
+			}
+		}
+
+		if ($error) {
+			EE_Error::add_error($error, __FILE__, __FUNCTION__, __LINE__);
+			return null;
+		}
+
+		return $files;
+	}
+
+
+	/**
+	 *    Given an array of data (usually from a CSV import) attempts to save that data to the db.
+	 *    If $model_name ISN'T provided, assumes that this is a 3d array, with toplevel keys being model names,
+	 *    next level being numeric indexes adn each value representing a model object, and the last layer down
+	 *    being keys of model fields and their proposed values.
+	 *    If $model_name IS provided, assumes a 2d array of the bottom two layers previously mentioned.
+	 *    If the CSV data says (in the metadata row) that it's from the SAME database,
+	 *    we treat the IDs in the CSV as the normal IDs, and try to update those records. However, if those
+	 *    IDs DON'T exist in the database, they're treated as temporary IDs,
+	 *    which can used elsewhere to refer to the same object. Once an item
+	 *    with a temporary ID gets inserted, we record its mapping from temporary
+	 *    ID to real ID, and use the real ID in place of the temporary ID
+	 *    when that temporary ID was used as a foreign key.
+	 *    If the CSV data says (in the metadata again) that it's from a DIFFERENT database,
+	 *    we treat all the IDs in the CSV as temporary ID- eg, if the CSV specifies an event with
+	 *    ID 1, and the database already has an event with ID 1, we assume that's just a coincidence,
+	 *    and insert a new event, and map it's temporary ID of 1 over to its new real ID.
+	 *    An important exception are non-auto-increment primary keys. If one entry in the
+	 *    CSV file has the same ID as one in the DB, we assume they are meant to be
+	 *    the same item, and instead update the item in the DB with that same ID.
+	 *    Also note, we remember the mappings permanently. So the 2nd, 3rd, and 10000th
+	 *    time you import a CSV from a different site, we remember their mappings, and
+	 * will try to update the item in the DB instead of inserting another item (eg
+	 * if we previously imported an event with temporary ID 1, and then it got a
+	 * real ID of 123, we remember that. So the next time we import an event with
+	 * temporary ID, from the same site, we know that it's real ID is 123, and will
+	 * update that event, instead of adding a new event).
+	 *
+	 * @param array  $csv_data_array    the array containing the csv data produced from
+	 *                                  EE_CSV::import_csv_to_model_data_array()
+	 * @param string $model_name
+	 * @return bool                     TRUE on success, FALSE on fail
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function save_csv_data_array_to_db(array $csv_data_array, string $model_name = ''): bool
+	{
+		$success = false;
+		// whether to treat this import as if it's data from a different database or not
+		// ie, if it IS from a different database, ignore foreign keys with
+		$export_from_site_a_to_b = true;
+		// first level of array is not table information but a table name was passed to the function
+		// array is only two levels deep, so let's fix that by adding a level, else the next steps will fail
+		if ($model_name) {
+			$csv_data_array = [$csv_data_array];
+		}
+		// begin looking through the $csv_data_array, expecting the toplevel key to be the model's name...
+		$old_site_url = 'none-specified';
+		// handle metadata
+		if (isset($csv_data_array[ EE_CSV::metadata_header ])) {
+			$csv_metadata = array_shift($csv_data_array[ EE_CSV::metadata_header ]);
+			// ok so its metadata, dont try to save it to the db obviously...
+			if (isset($csv_metadata['site_url']) && $csv_metadata['site_url'] == site_url()) {
+				EE_Error::add_attention(
+					esc_html__(
+						'CSV Data appears to be from the same database, so attempting to update data',
+						'event_espresso'
+					)
+				);
+				$export_from_site_a_to_b = false;
+			} else {
+				$old_site_url = $csv_metadata['site_url'] ?? $old_site_url;
+				EE_Error::add_attention(
+					sprintf(
+						esc_html__(
+							"CSV Data appears to be from a different database (%s instead of %s), so we assume IDs in the CSV data DO NOT correspond to IDs in this database",
+							"event_espresso"
+						),
+						$old_site_url,
+						site_url()
+					)
+				);
+			}
+			unset($csv_data_array[ EE_CSV::metadata_header ]);
+		}
+
+		$id_mapping_option_name = 'ee_id_mapping_from' . sanitize_title($old_site_url);
+		/**
+		 * @var $old_db_to_new_db_mapping   2d array: toplevel keys being model names,
+		 *                                            bottom-level keys being the original key,
+		 *                                            and the value will be the newly-inserted ID.
+		 *                                  If we have already imported data from the same website via CSV,
+		 *                                  it should be kept in this wp option
+		 */
+		$old_db_to_new_db_mapping = (array) get_option($id_mapping_option_name, []);
+
+		if ($old_db_to_new_db_mapping) {
+			EE_Error::add_attention(
+				sprintf(
+					esc_html__(
+						"We noticed you have imported data via CSV from %s before. Because of this, IDs in your CSV have been mapped to their new IDs in %s",
+						"event_espresso"
+					),
+					$old_site_url,
+					site_url()
+				)
+			);
+		}
+		$old_db_to_new_db_mapping = $this->save_data_rows_to_db(
+			$csv_data_array,
+			$export_from_site_a_to_b,
+			$old_db_to_new_db_mapping
+		);
+
+		// save the mapping from old db to new db in case they try re-importing the same data from the same website again
+		update_option($id_mapping_option_name, $old_db_to_new_db_mapping);
+
+		if ($this->_total_updates > 0) {
+			EE_Error::add_success(
+				sprintf(
+					esc_html__("%s existing records in the database were updated.", "event_espresso"),
+					$this->_total_updates
+				)
+			);
+			$success = true;
+		}
+		if ($this->_total_inserts > 0) {
+			EE_Error::add_success(
+				sprintf(
+					esc_html__("%s new records were added to the database.", "event_espresso"),
+					$this->_total_inserts
+				)
+			);
+			$success = true;
+		}
+
+		if ($this->_total_update_errors > 0) {
+			EE_Error::add_error(
+				sprintf(
+					esc_html__(
+						"'One or more errors occurred, and a total of %s existing records in the database were <strong>not</strong> updated.'",
+						"event_espresso"
+					),
+					$this->_total_update_errors
+				),
+				__FILE__,
+				__FUNCTION__,
+				__LINE__
+			);
+			$success = false;
+		}
+		if ($this->_total_insert_errors > 0) {
+			EE_Error::add_error(
+				sprintf(
+					esc_html__(
+						"One or more errors occurred, and a total of %s new records were <strong>not</strong> added to the database.'",
+						"event_espresso"
+					),
+					$this->_total_insert_errors
+				),
+				__FILE__,
+				__FUNCTION__,
+				__LINE__
+			);
+			$success = false;
+		}
+
+		// lastly, we need to update the datetime and ticket sold amounts
+		// as those may have been affected by this
+		EEM_Ticket::instance()->update_tickets_sold(EEM_Ticket::instance()->get_all());
+
+		// if there was at least one success and absolutely no errors
+		return $success;
+	}
+
+
+	/**
+	 * Processes the array of data, given the knowledge that it's from the same database or a different one,
+	 * and the mapping from temporary IDs to real IDs.
+	 * If the data is from a different database, we treat the primary keys and their corresponding
+	 * foreign keys as "temp Ids", basically identifiers that get mapped to real primary keys
+	 * in the real target database. As items are inserted, their temporary primary keys
+	 * are mapped to the real IDs in the target database. Also, before doing any update or
+	 * insert, we replace all the temp ID which are foreign keys with their mapped real IDs.
+	 * An exception: string primary keys are treated as real IDs, or else we'd need to
+	 * dynamically generate new string primary keys which would be very awkward for the country table etc.
+	 * Also, models with no primary key are strange too. We combine use their primary key INDEX (a
+	 * combination of fields) to create a unique string identifying the row and store
+	 * those in the mapping.
+	 *
+	 * If the data is from the same database, we usually treat primary keys as real IDs.
+	 * An exception is if there is nothing in the database for that ID. If that's the case,
+	 * we need to insert a new row for that ID, and then map from the non-existent ID
+	 * to the newly-inserted real ID.
+	 *
+	 * @param array $csv_data_array
+	 * @param bool  $export_from_site_a_to_b
+	 * @param array $old_db_to_new_db_mapping
+	 * @return array|bool updated $old_db_to_new_db_mapping
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function save_data_rows_to_db(
+		array $csv_data_array,
+		bool $export_from_site_a_to_b,
+		array $old_db_to_new_db_mapping
+	) {
+		foreach ($csv_data_array as $model_name => $model_data_from_import) {
+			// check that assumption was correct. If
+			if (! EE_Registry::instance()->is_model_name($model_name)) {
+				// no table info in the array and no table name passed to the function?? FAIL
+				EE_Error::add_error(
+					esc_html__(
+						'No table information was specified and/or found, therefore the import could not be completed',
+						'event_espresso'
+					),
+					__FILE__,
+					__FUNCTION__,
+					__LINE__
+				);
+				return false;
+			}
+
+			/* @var $model EEM_Base */
+			$model = EE_Registry::instance()->load_model($model_name);
+
+			// so without further ado, scanning all the data provided for primary keys and their initial values
+			foreach ($model_data_from_import as $model_object_data) {
+				// before we do ANYTHING, make sure the csv row wasn't just completely blank
+				$row_is_completely_empty = true;
+				foreach ($model_object_data as $field) {
+					if ($field) {
+						$row_is_completely_empty = false;
+					}
+				}
+				if ($row_is_completely_empty) {
+					continue;
+				}
+				// find the PK in the row of data (or a combined key if
+				// there is no primary key)
+				if ($model->has_primary_key_field()) {
+					$id_in_csv = $model_object_data[ $model->primary_key_name() ];
+				} else {
+					$id_in_csv = $model->get_index_primary_key_string($model_object_data);
+				}
+
+				$model_object_data = $this->_replace_temp_ids_with_mappings(
+					$model_object_data,
+					$model,
+					$old_db_to_new_db_mapping,
+					$export_from_site_a_to_b
+				);
+				// now we need to decide if we're going to
+				$what_to_do = $export_from_site_a_to_b
+					// add a new model object given the $model_object_data
+					? $this->_decide_whether_to_insert_or_update_given_data_from_other_db(
+						$id_in_csv,
+						$model_name,
+						$old_db_to_new_db_mapping
+					)
+					//  or just update cuz this is just a re-import
+					: $this->_decide_whether_to_insert_or_update_given_data_from_same_db(
+						$model_object_data,
+						$model
+					);
+
+				if ($what_to_do === EE_Import::do_nothing) {
+					continue;
+				}
+
+				// double-check we actually want to insert, if that's what we're planning
+				// based on whether this item would be unique in the DB or not
+				if ($what_to_do == EE_Import::do_insert) {
+					// we're supposed to be inserting. But wait, will this thing
+					// be acceptable if inserted?
+					$conflicting = $model->get_one_conflicting($model_object_data, false);
+					if ($conflicting) {
+						// ok, this item would conflict if inserted. Just update the item that it conflicts with.
+						$what_to_do = EE_Import::do_update;
+						// and if this model has a primary key, remember its mapping
+						if ($model->has_primary_key_field()) {
+							$old_db_to_new_db_mapping[ $model_name ][ $id_in_csv ] = $conflicting->ID();
+							$model_object_data[ $model->primary_key_name() ]       = $conflicting->ID();
+						} else {
+							// we want to update this conflicting item, instead of inserting a conflicting item
+							// so we need to make sure they match entirely
+							// (it's possible that they only conflicted on one field,
+							// but we need them to match on other fields for the WHERE conditions in the update).
+							// At the time of this comment, there were no models like this
+							foreach ($model->get_combined_primary_key_fields() as $key_field) {
+								$model_object_data[ $key_field->get_name() ] = $conflicting->get(
+									$key_field->get_name()
+								);
+							}
+						}
+					}
+				}
+				if ($what_to_do == EE_Import::do_insert) {
+					$old_db_to_new_db_mapping = $this->_insert_from_data_array(
+						$id_in_csv,
+						$model_object_data,
+						$model,
+						$old_db_to_new_db_mapping
+					);
+				} elseif ($what_to_do == EE_Import::do_update) {
+					$old_db_to_new_db_mapping = $this->_update_from_data_array(
+						$id_in_csv,
+						$model_object_data,
+						$model,
+						$old_db_to_new_db_mapping
+					);
+				} else {
+					throw new EE_Error(
+						sprintf(
+							esc_html__(
+								'Programming error. We should be inserting or updating, but instead we are being told to "%s", whifh is invalid',
+								'event_espresso'
+							),
+							$what_to_do
+						)
+					);
+				}
+			}
+		}
+		return $old_db_to_new_db_mapping;
+	}
+
+
+	/**
+	 * Decides whether or not to insert, given that this data is from another database.
+	 * So, if the primary key of this $model_object_data already exists in the database,
+	 * it's just a coincidence and we should still insert. The only time we should
+	 * update is when we know what it maps to, or there's something that would
+	 * conflict (and we should instead just update that conflicting thing)
+	 *
+	 * @param string $id_in_csv
+	 * @param string $model_name
+	 * @param array  $old_db_to_new_db_mapping by reference so it can be modified
+	 * @return string one of the constants on this class that starts with do_*
+	 */
+	protected function _decide_whether_to_insert_or_update_given_data_from_other_db(
+		string $id_in_csv,
+		string $model_name,
+		array $old_db_to_new_db_mapping
+	): string {
+		// if it's a site-to-site export-and-import, see if this model object's id
+		// in the old data that we know of
+		if (isset($old_db_to_new_db_mapping[ $model_name ][ $id_in_csv ])) {
+			return EE_Import::do_update;
+		}
+		return EE_Import::do_insert;
+	}
+
+
+	/**
+	 * If this thing basically already exists in the database, we want to update it;
+	 * otherwise insert it (ie, someone tweaked the CSV file, or the item was
+	 * deleted in the database so it should be re-inserted)
+	 *
+	 * @param array    $model_object_data
+	 * @param EEM_Base $model
+	 * @return string
+	 * @throws EE_Error
+	 */
+	protected function _decide_whether_to_insert_or_update_given_data_from_same_db(
+		array $model_object_data,
+		EEM_Base $model
+	): string {
+		// in this case, check if this thing ACTUALLY exists in the database
+		if ($model->get_one_conflicting($model_object_data)) {
+			return EE_Import::do_update;
+		}
+		return EE_Import::do_insert;
+	}
+
+
+	/**
+	 * Using the $old_db_to_new_db_mapping array, replaces all the temporary IDs
+	 * with their mapped real IDs. Eg, if importing from site A to B, the mapping
+	 * file may indicate that the ID "my_event_id" maps to an actual event ID of 123.
+	 * So this function searches for any event temp Ids called "my_event_id" and
+	 * replaces them with 123.
+	 * Also, if there is no temp ID for the INT foreign keys from another database,
+	 * replaces them with 0 or the field's default.
+	 *
+	 * @param array    $model_object_data
+	 * @param EEM_Base $model
+	 * @param array    $old_db_to_new_db_mapping
+	 * @param bool     $export_from_site_a_to_b
+	 * @return array updated model object data with temp IDs removed
+	 * @throws EE_Error
+	 */
+	protected function _replace_temp_ids_with_mappings(
+		array $model_object_data,
+		EEM_Base $model,
+		array $old_db_to_new_db_mapping,
+		bool $export_from_site_a_to_b
+	): array {
+		// if this model object's primary key is in the mapping, replace it
+		if (
+			$model->has_primary_key_field()
+			&& $model->get_primary_key_field()->is_auto_increment()
+			&& isset($old_db_to_new_db_mapping[ $model->get_this_model_name() ])
+			&& isset(
+				$old_db_to_new_db_mapping[ $model->get_this_model_name(
+				) ][ $model_object_data[ $model->primary_key_name() ] ]
+			)
+		) {
+			$model_object_data[ $model->primary_key_name() ] = $old_db_to_new_db_mapping[ $model->get_this_model_name(
+			) ][ $model_object_data[ $model->primary_key_name() ] ];
+		}
+
+		try {
+			$model_name_field = $model->get_field_containing_related_model_name();
+		} catch (EE_Error $e) {
+			$model_name_field = null;
+		}
+
+		foreach ($model->field_settings(true) as $field_obj) {
+			if (! $field_obj instanceof EE_Foreign_Key_Int_Field) {
+				// not a foreign key, or it's a string foreign key
+				// which we leave alone, because those are things like country names,
+				// which we'd really rather not make 2 USAs etc (we'd actually prefer to just update one)
+				// or it's just a regular value that ought to be replaced
+				continue;
+			}
+			$models_pointed_to = $field_obj->get_model_names_pointed_to();
+			foreach ($models_pointed_to as $model_pointed_to_by_fk) {
+				if ($model_name_field) {
+					$value_of_model_name_field = $model_object_data[ $model_name_field->get_name() ];
+					if ($value_of_model_name_field == $model_pointed_to_by_fk) {
+						$model_object_data[ $field_obj->get_name() ] = $this->_find_mapping_in(
+							$model_object_data[ $field_obj->get_name() ],
+							$model_pointed_to_by_fk,
+							$old_db_to_new_db_mapping,
+							$export_from_site_a_to_b
+						);
+						// once we've found a mapping for this field no need to continue
+						// break;
+					}
+				} else {
+					$model_object_data[ $field_obj->get_name() ] = $this->_find_mapping_in(
+						$model_object_data[ $field_obj->get_name() ],
+						$model_pointed_to_by_fk,
+						$old_db_to_new_db_mapping,
+						$export_from_site_a_to_b
+					);
+					// once we've found a mapping for this field no need to continue
+					// break;
+				}
+			}
+		}
+
+		if ($model instanceof EEM_Term_Taxonomy) {
+			$model_object_data = $this->_handle_split_term_ids($model_object_data);
+		}
+		return $model_object_data;
+	}
+
+
+	/**
+	 * If the data was exported PRE-4.2, but then imported POST-4.2, then the term_id
+	 * this term-taxonomy refers to may be out-of-date so we need to update it.
+	 * see https://make.wordpress.org/core/2015/02/16/taxonomy-term-splitting-in-4-2-a-developer-guide/
+	 *
+	 * @param array $model_object_data
+	 * @return array new model object data
+	 */
+	protected function _handle_split_term_ids(array $model_object_data): array
+	{
+		if (
+			isset($model_object_data['term_id'])
+			&& isset($model_object_data['taxonomy'])
+			&& apply_filters(
+				'FHEE__EE_Import__handle_split_term_ids__function_exists',
+				function_exists('wp_get_split_term'),
+				$model_object_data
+			)
+		) {
+			$new_term_id = wp_get_split_term($model_object_data['term_id'], $model_object_data['taxonomy']);
+			if ($new_term_id) {
+				$model_object_data['term_id'] = $new_term_id;
+			}
+		}
+		return $model_object_data;
+	}
+
+
+	/**
+	 * Given the object's ID and its model's name, find it int he mapping data,
+	 * bearing in mind where it came from
+	 *
+	 * @param int|string $object_id
+	 * @param string     $model_name
+	 * @param array      $old_db_to_new_db_mapping
+	 * @param bool       $export_from_site_a_to_b
+	 * @return int
+	 */
+	protected function _find_mapping_in(
+		$object_id,
+		string $model_name,
+		array $old_db_to_new_db_mapping,
+		bool $export_from_site_a_to_b
+	) {
+		if (isset($old_db_to_new_db_mapping[ $model_name ][ $object_id ])) {
+			return $old_db_to_new_db_mapping[ $model_name ][ $object_id ];
+		}
+		if ($object_id == '0' || $object_id == '') {
+			// leave as-is
+			return $object_id;
+		}
+		if ($export_from_site_a_to_b) {
+			// we couldn't find a mapping for this, and it's from a different site,
+			// so blank it out
+			return null;
+		}
+		// we couldn't find a mapping for this, but it's from this DB anyway
+		// so let's just leave it as-is
+		return $object_id;
+	}
+
+
+	/**
+	 *
+	 * @param int|string     $id_in_csv
+	 * @param array  $model_object_data
+	 * @param EEM_Base $model
+	 * @param array  $old_db_to_new_db_mapping
+	 * @return array updated $old_db_to_new_db_mapping
+	 * @throws EE_Error
+	 */
+	protected function _insert_from_data_array(
+		$id_in_csv,
+		array $model_object_data,
+		EEM_Base $model,
+		array $old_db_to_new_db_mapping
+	): array {
+		// remove the primary key, if there is one (we don't want it for inserts OR updates)
+		// we'll put it back in if we need it
+		if ($model->has_primary_key_field() && $model->get_primary_key_field()->is_auto_increment()) {
+			$effective_id = $model_object_data[ $model->primary_key_name() ];
+			unset($model_object_data[ $model->primary_key_name() ]);
+		} else {
+			$effective_id = $model->get_index_primary_key_string($model_object_data);
+		}
+		// the model takes care of validating the CSV's input
+		try {
+			$new_id = $model->insert($model_object_data);
+			if ($new_id) {
+				$old_db_to_new_db_mapping[ $model->get_this_model_name() ][ $id_in_csv ] = $new_id;
+				$this->_total_inserts++;
+				EE_Error::add_success(
+					sprintf(
+						esc_html__("Successfully added new %s (with id %s) with csv data %s", "event_espresso"),
+						$model->get_this_model_name(),
+						$new_id,
+						implode(",", $model_object_data)
+					)
+				);
+			} else {
+				$this->_total_insert_errors++;
+				// put the ID used back in there for the error message
+				if ($model->has_primary_key_field()) {
+					$model_object_data[ $model->primary_key_name() ] = $effective_id;
+				}
+				EE_Error::add_error(
+					sprintf(
+						esc_html__("Could not insert new %s with the csv data: %s", "event_espresso"),
+						$model->get_this_model_name(),
+						http_build_query($model_object_data)
+					),
+					__FILE__,
+					__FUNCTION__,
+					__LINE__
+				);
+			}
+		} catch (EE_Error $e) {
+			$this->_total_insert_errors++;
+			if ($model->has_primary_key_field()) {
+				$model_object_data[ $model->primary_key_name() ] = $effective_id;
+			}
+			EE_Error::add_error(
+				sprintf(
+					esc_html__("Could not insert new %s with the csv data: %s because %s", "event_espresso"),
+					$model->get_this_model_name(),
+					implode(",", $model_object_data),
+					$e->getMessage()
+				),
+				__FILE__,
+				__FUNCTION__,
+				__LINE__
+			);
+		}
+		return $old_db_to_new_db_mapping;
+	}
+
+
+	/**
+	 * Given the model object data, finds the row to update and updates it
+	 *
+	 * @param string|int $id_in_csv
+	 * @param array      $model_object_data
+	 * @param EEM_Base   $model
+	 * @param array      $old_db_to_new_db_mapping
+	 * @return array updated $old_db_to_new_db_mapping
+	 */
+	protected function _update_from_data_array(
+		$id_in_csv,
+		array $model_object_data,
+		EEM_Base $model,
+		array $old_db_to_new_db_mapping
+	): array {
+		$conditions = null;
+		try {
+			// let's keep two copies of the model object data:
+			// one for performing an update, one for everything else
+			$model_object_data_for_update = $model_object_data;
+			if ($model->has_primary_key_field()) {
+				$conditions = [$model->primary_key_name() => $model_object_data[ $model->primary_key_name() ]];
+				// remove the primary key because we shouldn't use it for updating
+				unset($model_object_data_for_update[ $model->primary_key_name() ]);
+			} elseif ($model->get_combined_primary_key_fields() > 1) {
+				$conditions = [];
+				foreach ($model->get_combined_primary_key_fields() as $key_field) {
+					$conditions[ $key_field->get_name() ] = $model_object_data[ $key_field->get_name() ];
+				}
+			} else {
+				// this should just throw an exception, explaining that we dont have a primary key (or a combined key)
+				$model->primary_key_name();
+			}
+
+			$success = $model->update($model_object_data_for_update, [$conditions]);
+			if ($success) {
+				$this->_total_updates++;
+				EE_Error::add_success(
+					sprintf(
+						esc_html__("Successfully updated %s with csv data %s", "event_espresso"),
+						$model->get_this_model_name(),
+						implode(",", $model_object_data_for_update)
+					)
+				);
+				// we should still record the mapping even though it was an update
+				// because if we were going to insert something but it was going to conflict
+				// we would have last-minute decided to update. So we'd like to know what we updated
+				// and so we record what record ended up being updated using the mapping
+				if ($model->has_primary_key_field()) {
+					$new_key_for_mapping = $model_object_data[ $model->primary_key_name() ];
+				} else {
+					// no primary key just a combined key
+					$new_key_for_mapping = $model->get_index_primary_key_string($model_object_data);
+				}
+				$old_db_to_new_db_mapping[ $model->get_this_model_name() ][ $id_in_csv ] = $new_key_for_mapping;
+			} else {
+				$matched_items = $model->get_all([$conditions]);
+				if (! $matched_items) {
+					// no items were matched (so we shouldn't have updated)... but then we should have inserted? what the heck?
+					$this->_total_update_errors++;
+					EE_Error::add_error(
+						sprintf(
+							esc_html__(
+								"Could not update %s with the csv data: '%s' for an unknown reason (using WHERE conditions %s)",
+								"event_espresso"
+							),
+							$model->get_this_model_name(),
+							http_build_query($model_object_data),
+							http_build_query($conditions)
+						),
+						__FILE__,
+						__FUNCTION__,
+						__LINE__
+					);
+				} else {
+					$this->_total_updates++;
+					EE_Error::add_success(
+						sprintf(
+							esc_html__(
+								"%s with csv data '%s' was found in the database and didn't need updating because all the data is identical.",
+								"event_espresso"
+							),
+							$model->get_this_model_name(),
+							implode(",", $model_object_data)
+						)
+					);
+				}
+			}
+		} catch (EE_Error $e) {
+			$this->_total_update_errors++;
+			$basic_message = sprintf(
+				esc_html__("Could not update %s with the csv data: %s because %s", "event_espresso"),
+				$model->get_this_model_name(),
+				implode(",", $model_object_data),
+				$e->getMessage()
+			);
+			$debug_message = $basic_message . ' Stack trace: ' . $e->getTraceAsString();
+			EE_Error::add_error("$basic_message | $debug_message", __FILE__, __FUNCTION__, __LINE__);
+		}
+		return $old_db_to_new_db_mapping;
+	}
+
+
+	/**
+	 * Gets the number of inserts performed since importer was instantiated or reset
+	 *
+	 * @return int
+	 */
+	public function get_total_inserts(): int
+	{
+		return $this->_total_inserts;
+	}
+
+
+	/**
+	 *  Gets the number of insert errors since importer was instantiated or reset
+	 *
+	 * @return int
+	 */
+	public function get_total_insert_errors(): int
+	{
+		return $this->_total_insert_errors;
+	}
+
+
+	/**
+	 *  Gets the number of updates performed since importer was instantiated or reset
+	 *
+	 * @return int
+	 */
+	public function get_total_updates(): int
+	{
+		return $this->_total_updates;
+	}
+
+
+	/**
+	 *  Gets the number of update errors since importer was instantiated or reset
+	 *
+	 * @return int
+	 */
+	public function get_total_update_errors(): int
+	{
+		return $this->_total_update_errors;
+	}
 }

core/db_classes/EE_Price.class.php

Indentation +342 added lines, -342 removed lines

@@ -9,346 +9,346 @@
  */
 class EE_Price extends EE_Soft_Delete_Base_Class
 {
-    /**
-     * @param array  $props_n_values    incoming values
-     * @param string $timezone          incoming timezone (if not set the timezone set for the website will be used.)
-     * @param array  $date_formats      incoming date_formats in an array where the first value is the
-     *                                  date_format and the second value is the time format
-     * @return EE_Price
-     * @throws EE_Error|ReflectionException
-     */
-    public static function new_instance($props_n_values = [], $timezone = null, $date_formats = [])
-    {
-        $price = parent::_check_for_object($props_n_values, __CLASS__, $timezone, $date_formats);
-        if (! $price instanceof EE_Price) {
-            $price = new EE_Price($props_n_values, false, $timezone, $date_formats);
-        }
-        return $price;
-    }
-
-
-    /**
-     * @param array  $props_n_values  incoming values from the database
-     * @param string $timezone        incoming timezone as set by the model.  If not set the timezone for
-     *                                the website will be used.
-     * @return EE_Price
-     * @throws EE_Error|ReflectionException
-     */
-    public static function new_instance_from_db($props_n_values = [], $timezone = null)
-    {
-        return new self($props_n_values, true, $timezone);
-    }
-
-
-    /**
-     * Adds some defaults if they're not specified
-     *
-     * @param array  $props_n_values
-     * @param bool   $bydb
-     * @param string $timezone
-     * @param array  $date_formats  incoming date_formats in an array where the first value is the
-     *                              date_format and the second value is the time format
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    protected function __construct($props_n_values = [], $bydb = false, $timezone = '', $date_formats = [])
-    {
-        parent::__construct($props_n_values, $bydb, $timezone, $date_formats);
-    }
-
-
-    /**
-     * Set Price type ID
-     *
-     * @param int $PRT_ID
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function set_type($PRT_ID = 0)
-    {
-        $this->set('PRT_ID', $PRT_ID);
-    }
-
-
-    /**
-     * Set Price Amount
-     *
-     * @param float $amount
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function set_amount($amount = 0.00)
-    {
-        $this->set('PRC_amount', $amount);
-    }
-
-
-    /**
-     * Set Price Name
-     *
-     * @param string $PRC_name
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function set_name($PRC_name = '')
-    {
-        $this->set('PRC_name', $PRC_name);
-    }
-
-
-    /**
-     * Set Price Description
-     *
-     * @param string $PRC_desc
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function set_description($PRC_desc = '')
-    {
-        $this->Set('PRC_desc', $PRC_desc);
-    }
-
-
-    /**
-     * set is_default
-     *
-     * @param bool $PRC_is_default
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function set_is_default($PRC_is_default = false)
-    {
-        $this->set('PRC_is_default', $PRC_is_default);
-    }
-
-
-    /**
-     * set deleted
-     *
-     * @param bool $PRC_deleted
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function set_deleted($PRC_deleted = null)
-    {
-        $this->set('PRC_deleted', $PRC_deleted);
-    }
-
-
-    /**
-     * get Price type
-     *
-     * @return        int
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function type()
-    {
-        return $this->get('PRT_ID');
-    }
-
-
-    /**
-     * get Price Amount
-     *
-     * @return float
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function amount()
-    {
-        return $this->get('PRC_amount');
-    }
-
-
-    /**
-     * get Price Name
-     *
-     * @return        string
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function name()
-    {
-        return $this->get('PRC_name');
-    }
-
-
-    /**
-     * get Price description
-     *
-     * @return        string
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function desc()
-    {
-        return $this->get('PRC_desc');
-    }
-
-
-    /**
-     * get overrides
-     *
-     * @return        int
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function overrides()
-    {
-        return $this->get('PRC_overrides');
-    }
-
-
-    /**
-     * get order
-     *
-     * @return        int
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function order()
-    {
-        return $this->get('PRC_order');
-    }
-
-
-    /**
-     * get the author of the price
-     *
-     * @return int
-     * @throws EE_Error
-     * @throws ReflectionException
-     * @since 4.5.0
-     *
-     */
-    public function wp_user()
-    {
-        return $this->get('PRC_wp_user');
-    }
-
-
-    /**
-     * get is_default
-     *
-     * @return        bool
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function is_default()
-    {
-        return $this->get('PRC_is_default');
-    }
-
-
-    /**
-     * get deleted
-     *
-     * @return        bool
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function deleted()
-    {
-        return $this->get('PRC_deleted');
-    }
-
-
-    /**
-     * @return bool
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function parent()
-    {
-        return $this->get('PRC_parent');
-    }
-
-
-    // some helper methods for getting info on the price_type for this price
-
-
-    /**
-     * return whether the price is a base price or not
-     *
-     * @return boolean
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function is_base_price()
-    {
-        $price_type = $this->type_obj();
-        return $price_type->base_type() === 1;
-    }
-
-
-    /**
-     *
-     * @return EE_Base_Class|EE_Price_Type
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function type_obj()
-    {
-        return $this->get_first_related('Price_Type');
-    }
-
-
-    /**
-     * Simply indicates whether this price increases or decreases the total
-     *
-     * @return boolean true = discount, otherwise adds to the total
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function is_discount()
-    {
-        $price_type = $this->type_obj();
-        return $price_type->is_discount();
-    }
-
-
-    /**
-     * whether the price is a percentage or not
-     *
-     * @return boolean
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function is_percent()
-    {
-        $price_type = $this->type_obj();
-        return $price_type->get('PRT_is_percent');
-    }
-
-
-    /**
-     * return pretty price dependant on whether its a dollar or percent.
-     *
-     * @return string
-     * @throws EE_Error
-     * @throws ReflectionException
-     * @since 4.4.0
-     *
-     */
-    public function pretty_price()
-    {
-        return $this->is_percent()
-            ? apply_filters(
-                'FHEE__format_percentage_value',
-                $this->get_pretty('PRC_amount', 'localized_float')
-            )
-            : $this->get_pretty('PRC_amount', 'localized_currency');
-    }
-
-
-    /**
-     * @return mixed
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function get_price_without_currency_symbol()
-    {
-        return $this->get_pretty('PRC_amount', 'localized_float');
-    }
+	/**
+	 * @param array  $props_n_values    incoming values
+	 * @param string $timezone          incoming timezone (if not set the timezone set for the website will be used.)
+	 * @param array  $date_formats      incoming date_formats in an array where the first value is the
+	 *                                  date_format and the second value is the time format
+	 * @return EE_Price
+	 * @throws EE_Error|ReflectionException
+	 */
+	public static function new_instance($props_n_values = [], $timezone = null, $date_formats = [])
+	{
+		$price = parent::_check_for_object($props_n_values, __CLASS__, $timezone, $date_formats);
+		if (! $price instanceof EE_Price) {
+			$price = new EE_Price($props_n_values, false, $timezone, $date_formats);
+		}
+		return $price;
+	}
+
+
+	/**
+	 * @param array  $props_n_values  incoming values from the database
+	 * @param string $timezone        incoming timezone as set by the model.  If not set the timezone for
+	 *                                the website will be used.
+	 * @return EE_Price
+	 * @throws EE_Error|ReflectionException
+	 */
+	public static function new_instance_from_db($props_n_values = [], $timezone = null)
+	{
+		return new self($props_n_values, true, $timezone);
+	}
+
+
+	/**
+	 * Adds some defaults if they're not specified
+	 *
+	 * @param array  $props_n_values
+	 * @param bool   $bydb
+	 * @param string $timezone
+	 * @param array  $date_formats  incoming date_formats in an array where the first value is the
+	 *                              date_format and the second value is the time format
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	protected function __construct($props_n_values = [], $bydb = false, $timezone = '', $date_formats = [])
+	{
+		parent::__construct($props_n_values, $bydb, $timezone, $date_formats);
+	}
+
+
+	/**
+	 * Set Price type ID
+	 *
+	 * @param int $PRT_ID
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function set_type($PRT_ID = 0)
+	{
+		$this->set('PRT_ID', $PRT_ID);
+	}
+
+
+	/**
+	 * Set Price Amount
+	 *
+	 * @param float $amount
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function set_amount($amount = 0.00)
+	{
+		$this->set('PRC_amount', $amount);
+	}
+
+
+	/**
+	 * Set Price Name
+	 *
+	 * @param string $PRC_name
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function set_name($PRC_name = '')
+	{
+		$this->set('PRC_name', $PRC_name);
+	}
+
+
+	/**
+	 * Set Price Description
+	 *
+	 * @param string $PRC_desc
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function set_description($PRC_desc = '')
+	{
+		$this->Set('PRC_desc', $PRC_desc);
+	}
+
+
+	/**
+	 * set is_default
+	 *
+	 * @param bool $PRC_is_default
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function set_is_default($PRC_is_default = false)
+	{
+		$this->set('PRC_is_default', $PRC_is_default);
+	}
+
+
+	/**
+	 * set deleted
+	 *
+	 * @param bool $PRC_deleted
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function set_deleted($PRC_deleted = null)
+	{
+		$this->set('PRC_deleted', $PRC_deleted);
+	}
+
+
+	/**
+	 * get Price type
+	 *
+	 * @return        int
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function type()
+	{
+		return $this->get('PRT_ID');
+	}
+
+
+	/**
+	 * get Price Amount
+	 *
+	 * @return float
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function amount()
+	{
+		return $this->get('PRC_amount');
+	}
+
+
+	/**
+	 * get Price Name
+	 *
+	 * @return        string
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function name()
+	{
+		return $this->get('PRC_name');
+	}
+
+
+	/**
+	 * get Price description
+	 *
+	 * @return        string
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function desc()
+	{
+		return $this->get('PRC_desc');
+	}
+
+
+	/**
+	 * get overrides
+	 *
+	 * @return        int
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function overrides()
+	{
+		return $this->get('PRC_overrides');
+	}
+
+
+	/**
+	 * get order
+	 *
+	 * @return        int
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function order()
+	{
+		return $this->get('PRC_order');
+	}
+
+
+	/**
+	 * get the author of the price
+	 *
+	 * @return int
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 * @since 4.5.0
+	 *
+	 */
+	public function wp_user()
+	{
+		return $this->get('PRC_wp_user');
+	}
+
+
+	/**
+	 * get is_default
+	 *
+	 * @return        bool
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function is_default()
+	{
+		return $this->get('PRC_is_default');
+	}
+
+
+	/**
+	 * get deleted
+	 *
+	 * @return        bool
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function deleted()
+	{
+		return $this->get('PRC_deleted');
+	}
+
+
+	/**
+	 * @return bool
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function parent()
+	{
+		return $this->get('PRC_parent');
+	}
+
+
+	// some helper methods for getting info on the price_type for this price
+
+
+	/**
+	 * return whether the price is a base price or not
+	 *
+	 * @return boolean
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function is_base_price()
+	{
+		$price_type = $this->type_obj();
+		return $price_type->base_type() === 1;
+	}
+
+
+	/**
+	 *
+	 * @return EE_Base_Class|EE_Price_Type
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function type_obj()
+	{
+		return $this->get_first_related('Price_Type');
+	}
+
+
+	/**
+	 * Simply indicates whether this price increases or decreases the total
+	 *
+	 * @return boolean true = discount, otherwise adds to the total
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function is_discount()
+	{
+		$price_type = $this->type_obj();
+		return $price_type->is_discount();
+	}
+
+
+	/**
+	 * whether the price is a percentage or not
+	 *
+	 * @return boolean
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function is_percent()
+	{
+		$price_type = $this->type_obj();
+		return $price_type->get('PRT_is_percent');
+	}
+
+
+	/**
+	 * return pretty price dependant on whether its a dollar or percent.
+	 *
+	 * @return string
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 * @since 4.4.0
+	 *
+	 */
+	public function pretty_price()
+	{
+		return $this->is_percent()
+			? apply_filters(
+				'FHEE__format_percentage_value',
+				$this->get_pretty('PRC_amount', 'localized_float')
+			)
+			: $this->get_pretty('PRC_amount', 'localized_currency');
+	}
+
+
+	/**
+	 * @return mixed
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function get_price_without_currency_symbol()
+	{
+		return $this->get_pretty('PRC_amount', 'localized_float');
+	}
 }

core/helpers/EEH_Template.helper.php

Indentation +1037 added lines, -1037 removed lines

@@ -9,36 +9,36 @@ 
 use EventEspresso\core\services\request\sanitizers\AllowedTags;
 
 if (! function_exists('espresso_get_template_part')) {
-    /**
-     * espresso_get_template_part
-     * basically a copy of the WordPress get_template_part() function but uses EEH_Template::locate_template() instead, and doesn't add base versions of files
-     * so not a very useful function at all except that it adds familiarity PLUS filtering based off of the entire template part name
-     *
-     * @param string $slug The slug name for the generic template.
-     * @param string $name The name of the specialised template.
-     */
-    function espresso_get_template_part($slug = null, $name = null)
-    {
-        EEH_Template::get_template_part($slug, $name);
-    }
+	/**
+	 * espresso_get_template_part
+	 * basically a copy of the WordPress get_template_part() function but uses EEH_Template::locate_template() instead, and doesn't add base versions of files
+	 * so not a very useful function at all except that it adds familiarity PLUS filtering based off of the entire template part name
+	 *
+	 * @param string $slug The slug name for the generic template.
+	 * @param string $name The name of the specialised template.
+	 */
+	function espresso_get_template_part($slug = null, $name = null)
+	{
+		EEH_Template::get_template_part($slug, $name);
+	}
 }
 
 
 if (! function_exists('espresso_get_object_css_class')) {
-    /**
-     * espresso_get_object_css_class - attempts to generate a css class based on the type of EE object passed
-     *
-     * @param EE_Base_Class $object the EE object the css class is being generated for
-     * @param string        $prefix added to the beginning of the generated class
-     * @param string        $suffix added to the end of the generated class
-     * @return string
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    function espresso_get_object_css_class($object = null, $prefix = '', $suffix = '')
-    {
-        return EEH_Template::get_object_css_class($object, $prefix, $suffix);
-    }
+	/**
+	 * espresso_get_object_css_class - attempts to generate a css class based on the type of EE object passed
+	 *
+	 * @param EE_Base_Class $object the EE object the css class is being generated for
+	 * @param string        $prefix added to the beginning of the generated class
+	 * @param string        $suffix added to the end of the generated class
+	 * @return string
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	function espresso_get_object_css_class($object = null, $prefix = '', $suffix = '')
+	{
+		return EEH_Template::get_object_css_class($object, $prefix, $suffix);
+	}
 }
 
 /**
@@ -51,750 +51,750 @@ 
  */
 class EEH_Template
 {
-    /**
-     * @var EE_Currency_Config[]
-     */
-    private static $currency_config;
-
-    /**
-     * @var CurrencyFormatter
-     */
-    private static $currency_formatter;
-
-    /**
-     * @var array
-     */
-    private static $_espresso_themes = [];
-
-
-    /**
-     * get legacy currency config object for locale
-     *
-     * @param Locale $currency_locale
-     * @return EE_Currency_Config
-     * @throws EE_Error
-     * @throws ReflectionException
-     * @since $VID:$
-     */
-    private static function getCurrencyConfigForCountryISO(Locale $currency_locale)
-    {
-        $currencyISO = $currency_locale->currencyIsoCode();
-        if (
-            ! isset(EEH_Template::$currency_config[ $currencyISO ])
-            || ! EEH_Template::$currency_config[ $currencyISO ] instanceof EE_Currency_Config
-        ) {
-            $CNT_ISO = EEM_Country::instance()->getCountryISOForCurrencyISO($currencyISO);
-            $currency_config = new EE_Currency_Config($CNT_ISO);
-            EEH_Template::$currency_config[ $currencyISO ] = $currency_config;
-        }
-        return EEH_Template::$currency_config[ $currencyISO ];
-    }
-
-
-    /**
-     * @return CurrencyFormatter
-     * @since   $VID:$
-     */
-    private static function getCurrencyFormatter()
-    {
-        if (! EEH_Template::$currency_formatter instanceof CurrencyFormatter) {
-            EEH_Template::$currency_formatter = LoaderFactory::getLoader()->getShared(CurrencyFormatter::class);
-        }
-        return EEH_Template::$currency_formatter;
-    }
-
-
-    /**
-     *    is_espresso_theme - returns TRUE or FALSE on whether the currently active WP theme is an espresso theme
-     *
-     * @return boolean
-     */
-    public static function is_espresso_theme()
-    {
-        return wp_get_theme()->get('TextDomain') === 'event_espresso';
-    }
-
-
-    /**
-     *    load_espresso_theme_functions - if current theme is an espresso theme, or uses ee theme template parts, then
-     *    load its functions.php file ( if not already loaded )
-     *
-     * @return void
-     */
-    public static function load_espresso_theme_functions()
-    {
-        if (
-            ! defined('EE_THEME_FUNCTIONS_LOADED')
-            && is_readable(EE_PUBLIC . EE_Config::get_current_theme() . '/functions.php')
-        ) {
-            require_once(EE_PUBLIC . EE_Config::get_current_theme() . '/functions.php');
-        }
-    }
-
-
-    /**
-     *    get_espresso_themes - returns an array of Espresso Child themes located in the /templates/ directory
-     *
-     * @return array
-     */
-    public static function get_espresso_themes()
-    {
-        if (empty(EEH_Template::$_espresso_themes)) {
-            $espresso_themes = glob(EE_PUBLIC . '*', GLOB_ONLYDIR);
-            if (empty($espresso_themes)) {
-                return [];
-            }
-            if (($key = array_search('global_assets', $espresso_themes, true)) !== false) {
-                unset($espresso_themes[ $key ]);
-            }
-            EEH_Template::$_espresso_themes = [];
-            foreach ($espresso_themes as $espresso_theme) {
-                EEH_Template::$_espresso_themes[ basename($espresso_theme) ] = $espresso_theme;
-            }
-        }
-        return EEH_Template::$_espresso_themes;
-    }
-
-
-    /**
-     * EEH_Template::get_template_part
-     * basically a copy of the WordPress get_template_part() function but uses EEH_Template::locate_template() instead,
-     * and doesn't add base versions of files so not a very useful function at all except that it adds familiarity PLUS
-     * filtering based off of the entire template part name
-     *
-     * @param string $slug The slug name for the generic template.
-     * @param string $name The name of the specialised template.
-     * @param array  $template_args
-     * @param bool   $return_string
-     * @return void  echos the html output for the template
-     */
-    public static function get_template_part(
-        $slug = null,
-        $name = null,
-        $template_args = [],
-        $return_string = false
-    ) {
-        do_action("get_template_part_{$slug}-{$name}", $slug, $name);
-        $templates = [];
-        $name      = (string) $name;
-        if ($name !== '') {
-            $templates[] = "{$slug}-{$name}.php";
-        }
-        // allow template parts to be turned off via something like:
-        // add_filter( 'FHEE__content_espresso_events_tickets_template__display_datetimes', '__return_false' );
-        if (apply_filters("FHEE__EEH_Template__get_template_part__display__{$slug}_{$name}", true)) {
-            return EEH_Template::locate_template($templates, $template_args, true, $return_string);
-        }
-        return '';
-    }
-
-
-    /**
-     *    locate_template
-     *    locate a template file by looking in the following places, in the following order:
-     *        <server path up to>/wp-content/themes/<current active WordPress theme>/
-     *        <assumed full absolute server path>
-     *        <server path up to>/wp-content/uploads/espresso/templates/<current EE theme>/
-     *        <server path up to>/wp-content/uploads/espresso/templates/
-     *        <server path up to>/wp-content/plugins/<EE4 folder>/public/<current EE theme>/
-     *        <server path up to>/wp-content/plugins/<EE4 folder>/core/templates/<current EE theme>/
-     *        <server path up to>/wp-content/plugins/<EE4 folder>/
-     *    as soon as the template is found in one of these locations, it will be returned or loaded
-     *        Example:
-     *          You are using the WordPress Twenty Sixteen theme,
-     *        and you want to customize the "some-event.template.php" template,
-     *          which is located in the "/relative/path/to/" folder relative to the main EE plugin folder.
-     *          Assuming WP is installed on your server in the "/home/public_html/" folder,
-     *        EEH_Template::locate_template() will look at the following paths in order until the template is found:
-     *        /home/public_html/wp-content/themes/twentysixteen/some-event.template.php
-     *        /relative/path/to/some-event.template.php
-     *        /home/public_html/wp-content/uploads/espresso/templates/Espresso_Arabica_2014/relative/path/to/some-event.template.php
-     *        /home/public_html/wp-content/uploads/espresso/templates/relative/path/to/some-event.template.php
-     *        /home/public_html/wp-content/plugins/event-espresso-core-reg/public/Espresso_Arabica_2014/relative/path/to/some-event.template.php
-     *        /home/public_html/wp-content/plugins/event-espresso-core-reg/core/templates/Espresso_Arabica_2014/relative/path/to/some-event.template.php
-     *        /home/public_html/wp-content/plugins/event-espresso-core-reg/relative/path/to/some-event.template.php
-     *          Had you passed an absolute path to your template that was in some other location,
-     *        ie: "/absolute/path/to/some-event.template.php"
-     *          then the search would have been :
-     *        /home/public_html/wp-content/themes/twentysixteen/some-event.template.php
-     *        /absolute/path/to/some-event.template.php
-     *          and stopped there upon finding it in the second location
-     *
-     * @param array|string $templates       array of template file names including extension (or just a single string)
-     * @param array        $template_args   an array of arguments to be extracted for use in the template
-     * @param boolean      $load            whether to pass the located template path on to the
-     *                                      EEH_Template::display_template() method or simply return it
-     * @param boolean      $return_string   whether to send output immediately to screen, or capture and return as a
-     *                                      string
-     * @param boolean      $check_if_custom If TRUE, this flags this method to return boolean for whether this will
-     *                                      generate a custom template or not. Used in places where you don't actually
-     *                                      load the template, you just want to know if there's a custom version of it.
-     * @return mixed
-     * @throws DomainException
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    public static function locate_template(
-        $templates = [],
-        $template_args = [],
-        $load = true,
-        $return_string = true,
-        $check_if_custom = false
-    ) {
-        // first use WP locate_template to check for template in the current theme folder
-        $template_path = locate_template($templates);
-
-        if ($check_if_custom && ! empty($template_path)) {
-            return true;
-        }
-
-        // not in the theme
-        if (empty($template_path)) {
-            // not even a template to look for ?
-            if (empty($templates)) {
-                $loader = LoaderFactory::getLoader();
-                /** @var RequestInterface $request */
-                $request = $loader->getShared(RequestInterface::class);
-                // get post_type
-                $post_type = $request->getRequestParam('post_type');
-                /** @var EventEspresso\core\domain\entities\custom_post_types\CustomPostTypeDefinitions $custom_post_types */
-                $custom_post_types = $loader->getShared(
-                    'EventEspresso\core\domain\entities\custom_post_types\CustomPostTypeDefinitions'
-                );
-                // get array of EE Custom Post Types
-                $EE_CPTs = $custom_post_types->getDefinitions();
-                // build template name based on request
-                if (isset($EE_CPTs[ $post_type ])) {
-                    $archive_or_single = is_archive() ? 'archive' : '';
-                    $archive_or_single = is_single() ? 'single' : $archive_or_single;
-                    $templates         = $archive_or_single . '-' . $post_type . '.php';
-                }
-            }
-            // currently active EE template theme
-            $current_theme = EE_Config::get_current_theme();
-
-            // array of paths to folders that may contain templates
-            $template_folder_paths = [
-                // first check the /wp-content/uploads/espresso/templates/(current EE theme)/  folder for an EE theme template file
-                EVENT_ESPRESSO_TEMPLATE_DIR . $current_theme,
-                // then in the root of the /wp-content/uploads/espresso/templates/ folder
-                EVENT_ESPRESSO_TEMPLATE_DIR,
-            ];
-
-            // add core plugin folders for checking only if we're not $check_if_custom
-            if (! $check_if_custom) {
-                $core_paths            = [
-                    // in the  /wp-content/plugins/(EE4 folder)/public/(current EE theme)/ folder within the plugin
-                    EE_PUBLIC . $current_theme,
-                    // in the  /wp-content/plugins/(EE4 folder)/core/templates/(current EE theme)/ folder within the plugin
-                    EE_TEMPLATES . $current_theme,
-                    // or maybe relative from the plugin root: /wp-content/plugins/(EE4 folder)/
-                    EE_PLUGIN_DIR_PATH,
-                ];
-                $template_folder_paths = array_merge($template_folder_paths, $core_paths);
-            }
-
-            // now filter that array
-            $template_folder_paths = apply_filters(
-                'FHEE__EEH_Template__locate_template__template_folder_paths',
-                $template_folder_paths
-            );
-            $templates = is_array($templates) ? $templates : [$templates];
-            $template_folder_paths = is_array($template_folder_paths)
-                ? $template_folder_paths
-                : [$template_folder_paths];
-            // array to hold all possible template paths
-            $full_template_paths = [];
-            $file_name           = '';
-            // loop through $templates
-            foreach ($templates as $template) {
-                // normalize directory separators
-                $template                      = EEH_File::standardise_directory_separators($template);
-                $file_name                     = basename($template);
-                $template_path_minus_file_name = substr($template, 0, (strlen($file_name) * -1));
-                // while looping through all template folder paths
-                foreach ($template_folder_paths as $template_folder_path) {
-                    // normalize directory separators
-                    $template_folder_path = EEH_File::standardise_directory_separators($template_folder_path);
-                    // determine if any common base path exists between the two paths
-                    $common_base_path = EEH_Template::_find_common_base_path(
-                        [$template_folder_path, $template_path_minus_file_name]
-                    );
-                    if ($common_base_path !== '') {
-                        // both paths have a common base, so just tack the filename onto our search path
-                        $resolved_path = EEH_File::end_with_directory_separator($template_folder_path) . $file_name;
-                    } else {
-                        // no common base path, so let's just concatenate
-                        $resolved_path = EEH_File::end_with_directory_separator($template_folder_path) . $template;
-                    }
-                    // build up our template locations array by adding our resolved paths
-                    $full_template_paths[] = $resolved_path;
-                }
-                // if $template is an absolute path, then we'll tack it onto the start of our array so that it gets searched first
-                array_unshift($full_template_paths, $template);
-                // path to the directory of the current theme: /wp-content/themes/(current WP theme)/
-                array_unshift($full_template_paths, get_stylesheet_directory() . '/' . $file_name);
-            }
-            // filter final array of full template paths
-            $full_template_paths = apply_filters(
-                'FHEE__EEH_Template__locate_template__full_template_paths',
-                $full_template_paths,
-                $file_name
-            );
-            // now loop through our final array of template location paths and check each location
-            foreach ((array) $full_template_paths as $full_template_path) {
-                if (is_readable($full_template_path)) {
-                    $template_path = str_replace(['\\', '/'], DIRECTORY_SEPARATOR, $full_template_path);
-                    break;
-                }
-            }
-        }
-
-        // hook that can be used to display the full template path that will be used
-        do_action('AHEE__EEH_Template__locate_template__full_template_path', $template_path);
-
-        // if we got it and you want to see it...
-        if ($template_path && $load && ! $check_if_custom) {
-            if ($return_string) {
-                return EEH_Template::display_template($template_path, $template_args, true);
-            }
-            EEH_Template::display_template($template_path, $template_args);
-        }
-        return $check_if_custom && ! empty($template_path) ? true : $template_path;
-    }
-
-
-    /**
-     * _find_common_base_path
-     * given two paths, this determines if there is a common base path between the two
-     *
-     * @param array $paths
-     * @return string
-     */
-    protected static function _find_common_base_path($paths)
-    {
-        $last_offset      = 0;
-        $common_base_path = '';
-        while (($index = strpos($paths[0], '/', $last_offset)) !== false) {
-            $dir_length = $index - $last_offset + 1;
-            $directory  = substr($paths[0], $last_offset, $dir_length);
-            foreach ($paths as $path) {
-                if (substr($path, $last_offset, $dir_length) !== $directory) {
-                    return $common_base_path;
-                }
-            }
-            $common_base_path .= $directory;
-            $last_offset      = $index + 1;
-        }
-        return substr($common_base_path, 0, -1);
-    }
-
-
-    /**
-     * load and display a template
-     *
-     * @param bool|string $template_path    server path to the file to be loaded, including file name and extension
-     * @param array       $template_args    an array of arguments to be extracted for use in the template
-     * @param boolean     $return_string    whether to send output immediately to screen, or capture and return as a
-     *                                      string
-     * @param bool        $throw_exceptions if set to true, will throw an exception if the template is either
-     *                                      not found or is not readable
-     * @return string
-     * @throws DomainException
-     */
-    public static function display_template(
-        $template_path = false,
-        $template_args = [],
-        $return_string = false,
-        $throw_exceptions = false
-    ) {
-        /**
-         * These two filters are intended for last minute changes to templates being loaded and/or template arg
-         * modifications.  NOTE... modifying these things can cause breakage as most templates running through
-         * the display_template method are templates we DON'T want modified (usually because of js
-         * dependencies etc).  So unless you know what you are doing, do NOT filter templates or template args
-         * using this.
-         *
-         * @since 4.6.0
-         */
-        $template_path = (string) apply_filters('FHEE__EEH_Template__display_template__template_path', $template_path);
-        $template_args = (array) apply_filters('FHEE__EEH_Template__display_template__template_args', $template_args);
-
-        // you gimme nuttin - YOU GET NUTTIN !!
-        if (! $template_path || ! is_readable($template_path)) {
-            // ignore whether template is accessible ?
-            if ($throw_exceptions) {
-                throw new DomainException(
-                    esc_html__('Invalid, unreadable, or missing file.', 'event_espresso')
-                );
-            }
-            return '';
-        }
-        // if $template_args are not in an array, then make it so
-        if (! is_array($template_args) && ! is_object($template_args)) {
-            $template_args = [$template_args];
-        }
-        extract($template_args, EXTR_SKIP);
-        // ignore whether template is accessible ?
-        if ($throw_exceptions && ! is_readable($template_path)) {
-            throw new DomainException(
-                esc_html__(
-                    'Invalid, unreadable, or missing file.',
-                    'event_espresso'
-                )
-            );
-        }
-
-
-        if ($return_string) {
-            // because we want to return a string, we are going to capture the output
-            ob_start();
-            include($template_path);
-            return ob_get_clean();
-        }
-        include($template_path);
-        return '';
-    }
-
-
-    /**
-     * get_object_css_class - attempts to generate a css class based on the type of EE object passed
-     *
-     * @param EE_Base_Class $object the EE object the css class is being generated for
-     * @param string        $prefix added to the beginning of the generated class
-     * @param string        $suffix added to the end of the generated class
-     * @return string
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public static function get_object_css_class($object = null, $prefix = '', $suffix = '')
-    {
-        // in the beginning...
-        $prefix = ! empty($prefix) ? rtrim($prefix, '-') . '-' : '';
-        // da muddle
-        $class = '';
-        // the end
-        $suffix = ! empty($suffix) ? '-' . ltrim($suffix, '-') : '';
-        // is the passed object an EE object ?
-        if ($object instanceof EE_Base_Class) {
-            // grab the exact type of object
-            $obj_class = get_class($object);
-            // depending on the type of object...
-            $class = strtolower(str_replace('_', '-', $obj_class));
-            $class .= method_exists($obj_class, 'name') ? '-' . sanitize_title($object->name()) : '';
-        }
-        return $prefix . $class . $suffix;
-    }
-
-
-    /**
-     * EEH_Template::format_currency
-     * This helper takes a raw float value and formats it according to the default config country currency settings, or
-     * the country currency settings from the supplied country ISO code
-     *
-     * @param float   $amount                    raw money value
-     * @param boolean $return_raw                whether to return the formatted float value only with no currency sign
-     *                                           or code
-     * @param boolean $display_code              whether to display the country code (USD). Default = TRUE
-     * @param string  $CNT_ISO                   2 letter ISO code for a country
-     * @param string  $cur_code_span_class
-     * @param boolean $allow_fractional_subunits whether to allow displaying partial penny amounts
-     * @return string        the html output for the formatted money value
-     * @throws EE_Error
-     * @throws ReflectionException
-     * @deprecated $VID:$ plz use CurrencyFormatter::formatForLocale()
-     */
-    public static function format_currency(
-        $amount = null,
-        $return_raw = false,
-        $display_code = true,
-        $CNT_ISO = '',
-        $cur_code_span_class = 'currency-code', // not used anywhere
-        $allow_fractional_subunits = false
-    ) {
-        // ensure amount was received
-        if ($amount === null) {
-            $msg = esc_html__('In order to format currency, an amount needs to be passed.', 'event_espresso');
-            EE_Error::add_error($msg, __FILE__, __FUNCTION__, __LINE__);
-            return '';
-        }
-        // ensure amount is float
-        $amount  = (float) apply_filters('FHEE__EEH_Template__format_currency__raw_amount', (float) $amount);
-        $CNT_ISO = apply_filters('FHEE__EEH_Template__format_currency__CNT_ISO', $CNT_ISO, $amount);
-
-        // filter raw amount (allows 0.00 to be changed to "free" for example)
-        $amount_formatted = apply_filters('FHEE__EEH_Template__format_currency__amount', $amount, $return_raw);
-        // still a number or was amount converted to a string like "free" ?
-        if (! is_float($amount_formatted)) {
-            return esc_html($amount_formatted);
-        }
-
-        try {
-            $currency_formatter = EEH_Template::getCurrencyFormatter();
-            $currency_ISO = '';
-            if ($CNT_ISO !== '') {
-                $currency_config = EEH_Money::get_currency_config($CNT_ISO);
-                $currency_ISO = $currency_config->code;
-            }
-            $currency_locale = $currency_formatter->getLocaleForCurrencyISO($currency_ISO, true);
-
-            // filter to allow global setting of display_code
-            $display_code = apply_filters('FHEE__EEH_Template__format_currency__display_code', $display_code);
-
-            $format = CurrencyFormatter::FORMAT_LOCALIZED_CURRENCY;
-            if ($return_raw) {
-                $format = CurrencyFormatter::FORMAT_LOCALIZED_FLOAT;
-            } elseif ($display_code) {
-                $format = CurrencyFormatter::FORMAT_LOCALIZED_CURRENCY_HTML_CODE;
-            }
-            // don't like this but it maintains backwards compatibility with how things were done before
-            $precision = $allow_fractional_subunits
-                ? $currency_locale->decimalPrecision() + 2
-                : $currency_locale->decimalPrecision();
-
-            $amount_formatted = $currency_formatter->formatForLocale(
-                $amount_formatted,
-                $format,
-                $currency_locale->name(),
-                $precision
-            );
-
-            // filter results
-            $amount_formatted = apply_filters(
-                'FHEE__EEH_Template__format_currency__amount_formatted',
-                $amount_formatted,
-                EEH_Template::getCurrencyConfigForCountryISO($currency_locale),
-                $return_raw,
-                $display_code
-            );
-        } catch (Exception $e) {
-            // eat exception
-        }
-        // return formatted currency amount
-        return esc_html($amount_formatted);
-    }
-
-
-    /**
-     * This function is used for outputting the localized label for a given status id in the schema requested (and
-     * possibly plural).  The intended use of this function is only for cases where wanting a label outside of a
-     * related status model or model object (i.e. in documentation etc.)
-     *
-     * @param string  $status_id  Status ID matching a registered status in the esp_status table.  If there is no
-     *                            match, then 'Unknown' will be returned.
-     * @param boolean $plural     Whether to return plural or not
-     * @param string  $schema     'UPPER', 'lower', or 'Sentence'
-     * @return string             The localized label for the status id.
-     * @throws EE_Error
-     */
-    public static function pretty_status($status_id, $plural = false, $schema = 'upper')
-    {
-        $status = EEM_Status::instance()->localized_status(
-            [$status_id => esc_html__('unknown', 'event_espresso')],
-            $plural,
-            $schema
-        );
-        return $status[ $status_id ];
-    }
-
-
-    /**
-     * This helper just returns a button or link for the given parameters
-     *
-     * @param string $url   the url for the link, note that `esc_url` will be called on it
-     * @param string $label What is the label you want displayed for the button
-     * @param string $class what class is used for the button (defaults to 'button-primary')
-     * @param string $icon
-     * @param string $title
-     * @return string the html output for the button
-     */
-    public static function get_button_or_link($url, $label, $class = 'button button--primary', $icon = '', $title = '')
-    {
-        $icon_html = '';
-        if (! empty($icon)) {
-            $dashicons = preg_split("(ee-icon |dashicons )", $icon);
-            $dashicons = array_filter($dashicons);
-            $count     = count($dashicons);
-            $icon_html .= $count > 1 ? '<span class="ee-composite-dashicon">' : '';
-            foreach ($dashicons as $dashicon) {
-                $type      = strpos($dashicon, 'ee-icon') !== false ? 'ee-icon ' : 'dashicons ';
-                $icon_html .= '<span class="' . $type . $dashicon . '"></span>';
-            }
-            $icon_html .= $count > 1 ? '</span>' : '';
-        }
-        // sanitize & escape
-        $id    = sanitize_title_with_dashes($label);
-        $url   = esc_url_raw($url);
-        $class = esc_attr($class);
-        $title = esc_attr($title);
-        $label = esc_html($label);
-        return "<a id='{$id}' href='{$url}' class='{$class}' title='{$title}'>{$icon_html}{$label}</a>";
-    }
-
-
-    /**
-     * This returns a generated link that will load the related help tab on admin pages.
-     *
-     * @param string      $help_tab_id the id for the connected help tab
-     * @param bool|string $page        The page identifier for the page the help tab is on
-     * @param bool|string $action      The action (route) for the admin page the help tab is on.
-     * @param bool|string $icon_style  (optional) include css class for the style you want to use for the help icon.
-     * @param bool|string $help_text   (optional) send help text you want to use for the link if default not to be used
-     * @return string              generated link
-     */
-    public static function get_help_tab_link(
-        $help_tab_id,
-        $page = false,
-        $action = false,
-        $icon_style = false,
-        $help_text = false
-    ) {
-        $allowedtags = AllowedTags::getAllowedTags();
-        /** @var RequestInterface $request */
-        $request = LoaderFactory::getLoader()->getShared(RequestInterface::class);
-        $page    = $page ?: $request->getRequestParam('page', '', 'key');
-        $action  = $action ?: $request->getRequestParam('action', 'default', 'key');
-
-
-        $help_tab_lnk = $page . '-' . $action . '-' . $help_tab_id;
-        $icon = $icon_style ? $icon_style : ' dashicons-editor-help';
-        $help_text = $help_text ? $help_text : '';
-        $link = '<a id="' . $help_tab_lnk . '"';
-        $link .= ' class="ee-clickable espresso-help-tab-lnk dashicons' . $icon . '"';
-        $link .= ' title="' .  esc_attr__(
-            'Click to open the \'Help\' tab for more information about this feature.',
-            'event_espresso'
-        ) . '"';
-        $link .= ' > ' . $help_text . ' </a>';
-        return $link;
-    }
-
-
-    /**
-     * This helper generates the html structure for the jquery joyride plugin with the given params.
-     *
-     * @link http://zurb.com/playground/jquery-joyride-feature-tour-plugin
-     * @see  EE_Admin_Page->_stop_callback() for the construct expected for the $stops param.
-     * @param EE_Help_Tour
-     * @return string         html
-     * @throws EE_Error
-     */
-    public static function help_tour_stops_generator(EE_Help_Tour $tour)
-    {
-        $id    = $tour->get_slug();
-        $stops = $tour->get_stops();
-
-        $content = '<ol style="display:none" id="' . $id . '">';
-
-        foreach ($stops as $stop) {
-            $data_id    = ! empty($stop['id']) ? ' data-id="' . $stop['id'] . '"' : '';
-            $data_class = empty($data_id) && ! empty($stop['class']) ? ' data-class="' . $stop['class'] . '"' : '';
-
-            // if container is set to modal then let's make sure we set the options accordingly
-            if (empty($data_id) && empty($data_class)) {
-                $stop['options']['modal']  = true;
-                $stop['options']['expose'] = true;
-            }
-
-            $custom_class  = ! empty($stop['custom_class']) ? ' class="' . $stop['custom_class'] . '"' : '';
-            $button_text   = ! empty($stop['button_text']) ? ' data-button="' . $stop['button_text'] . '"' : '';
-            $inner_content = isset($stop['content']) ? $stop['content'] : '';
-
-            // options
-            if (isset($stop['options']) && is_array($stop['options'])) {
-                $options = ' data-options="';
-                foreach ($stop['options'] as $option => $value) {
-                    $options .= $option . ':' . $value . ';';
-                }
-                $options .= '"';
-            } else {
-                $options = '';
-            }
-
-            // let's put all together
-            $content .= '<li'
-                        . $data_id
-                        . $data_class
-                        . $custom_class
-                        . $button_text
-                        . $options
-                        . '>'
-                        . $inner_content
-                        . '</li>';
-        }
-
-        $content .= '</ol>';
-        return $content;
-    }
-
-
-    /**
-     * This is a helper method to generate a status legend for a given status array.
-     * Note this will only work if the incoming statuses have a key in the EEM_Status->localized_status() methods
-     * status_array.
-     *
-     * @param array  $status_array   array of statuses that will make up the legend. In format:
-     *                               array(
-     *                               'status_item' => 'status_name'
-     *                               )
-     * @param string $active_status  This is used to indicate what the active status is IF that is to be highlighted in
-     *                               the legend.
-     * @return string               html structure for status.
-     * @throws EE_Error
-     */
-    public static function status_legend($status_array, $active_status = '')
-    {
-        if (! is_array($status_array)) {
-            throw new EE_Error(
-                esc_html__(
-                    'The EEH_Template::status_legend helper required the incoming status_array argument to be an array!',
-                    'event_espresso'
-                )
-            );
-        }
-
-        $content = '
+	/**
+	 * @var EE_Currency_Config[]
+	 */
+	private static $currency_config;
+
+	/**
+	 * @var CurrencyFormatter
+	 */
+	private static $currency_formatter;
+
+	/**
+	 * @var array
+	 */
+	private static $_espresso_themes = [];
+
+
+	/**
+	 * get legacy currency config object for locale
+	 *
+	 * @param Locale $currency_locale
+	 * @return EE_Currency_Config
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 * @since $VID:$
+	 */
+	private static function getCurrencyConfigForCountryISO(Locale $currency_locale)
+	{
+		$currencyISO = $currency_locale->currencyIsoCode();
+		if (
+			! isset(EEH_Template::$currency_config[ $currencyISO ])
+			|| ! EEH_Template::$currency_config[ $currencyISO ] instanceof EE_Currency_Config
+		) {
+			$CNT_ISO = EEM_Country::instance()->getCountryISOForCurrencyISO($currencyISO);
+			$currency_config = new EE_Currency_Config($CNT_ISO);
+			EEH_Template::$currency_config[ $currencyISO ] = $currency_config;
+		}
+		return EEH_Template::$currency_config[ $currencyISO ];
+	}
+
+
+	/**
+	 * @return CurrencyFormatter
+	 * @since   $VID:$
+	 */
+	private static function getCurrencyFormatter()
+	{
+		if (! EEH_Template::$currency_formatter instanceof CurrencyFormatter) {
+			EEH_Template::$currency_formatter = LoaderFactory::getLoader()->getShared(CurrencyFormatter::class);
+		}
+		return EEH_Template::$currency_formatter;
+	}
+
+
+	/**
+	 *    is_espresso_theme - returns TRUE or FALSE on whether the currently active WP theme is an espresso theme
+	 *
+	 * @return boolean
+	 */
+	public static function is_espresso_theme()
+	{
+		return wp_get_theme()->get('TextDomain') === 'event_espresso';
+	}
+
+
+	/**
+	 *    load_espresso_theme_functions - if current theme is an espresso theme, or uses ee theme template parts, then
+	 *    load its functions.php file ( if not already loaded )
+	 *
+	 * @return void
+	 */
+	public static function load_espresso_theme_functions()
+	{
+		if (
+			! defined('EE_THEME_FUNCTIONS_LOADED')
+			&& is_readable(EE_PUBLIC . EE_Config::get_current_theme() . '/functions.php')
+		) {
+			require_once(EE_PUBLIC . EE_Config::get_current_theme() . '/functions.php');
+		}
+	}
+
+
+	/**
+	 *    get_espresso_themes - returns an array of Espresso Child themes located in the /templates/ directory
+	 *
+	 * @return array
+	 */
+	public static function get_espresso_themes()
+	{
+		if (empty(EEH_Template::$_espresso_themes)) {
+			$espresso_themes = glob(EE_PUBLIC . '*', GLOB_ONLYDIR);
+			if (empty($espresso_themes)) {
+				return [];
+			}
+			if (($key = array_search('global_assets', $espresso_themes, true)) !== false) {
+				unset($espresso_themes[ $key ]);
+			}
+			EEH_Template::$_espresso_themes = [];
+			foreach ($espresso_themes as $espresso_theme) {
+				EEH_Template::$_espresso_themes[ basename($espresso_theme) ] = $espresso_theme;
+			}
+		}
+		return EEH_Template::$_espresso_themes;
+	}
+
+
+	/**
+	 * EEH_Template::get_template_part
+	 * basically a copy of the WordPress get_template_part() function but uses EEH_Template::locate_template() instead,
+	 * and doesn't add base versions of files so not a very useful function at all except that it adds familiarity PLUS
+	 * filtering based off of the entire template part name
+	 *
+	 * @param string $slug The slug name for the generic template.
+	 * @param string $name The name of the specialised template.
+	 * @param array  $template_args
+	 * @param bool   $return_string
+	 * @return void  echos the html output for the template
+	 */
+	public static function get_template_part(
+		$slug = null,
+		$name = null,
+		$template_args = [],
+		$return_string = false
+	) {
+		do_action("get_template_part_{$slug}-{$name}", $slug, $name);
+		$templates = [];
+		$name      = (string) $name;
+		if ($name !== '') {
+			$templates[] = "{$slug}-{$name}.php";
+		}
+		// allow template parts to be turned off via something like:
+		// add_filter( 'FHEE__content_espresso_events_tickets_template__display_datetimes', '__return_false' );
+		if (apply_filters("FHEE__EEH_Template__get_template_part__display__{$slug}_{$name}", true)) {
+			return EEH_Template::locate_template($templates, $template_args, true, $return_string);
+		}
+		return '';
+	}
+
+
+	/**
+	 *    locate_template
+	 *    locate a template file by looking in the following places, in the following order:
+	 *        <server path up to>/wp-content/themes/<current active WordPress theme>/
+	 *        <assumed full absolute server path>
+	 *        <server path up to>/wp-content/uploads/espresso/templates/<current EE theme>/
+	 *        <server path up to>/wp-content/uploads/espresso/templates/
+	 *        <server path up to>/wp-content/plugins/<EE4 folder>/public/<current EE theme>/
+	 *        <server path up to>/wp-content/plugins/<EE4 folder>/core/templates/<current EE theme>/
+	 *        <server path up to>/wp-content/plugins/<EE4 folder>/
+	 *    as soon as the template is found in one of these locations, it will be returned or loaded
+	 *        Example:
+	 *          You are using the WordPress Twenty Sixteen theme,
+	 *        and you want to customize the "some-event.template.php" template,
+	 *          which is located in the "/relative/path/to/" folder relative to the main EE plugin folder.
+	 *          Assuming WP is installed on your server in the "/home/public_html/" folder,
+	 *        EEH_Template::locate_template() will look at the following paths in order until the template is found:
+	 *        /home/public_html/wp-content/themes/twentysixteen/some-event.template.php
+	 *        /relative/path/to/some-event.template.php
+	 *        /home/public_html/wp-content/uploads/espresso/templates/Espresso_Arabica_2014/relative/path/to/some-event.template.php
+	 *        /home/public_html/wp-content/uploads/espresso/templates/relative/path/to/some-event.template.php
+	 *        /home/public_html/wp-content/plugins/event-espresso-core-reg/public/Espresso_Arabica_2014/relative/path/to/some-event.template.php
+	 *        /home/public_html/wp-content/plugins/event-espresso-core-reg/core/templates/Espresso_Arabica_2014/relative/path/to/some-event.template.php
+	 *        /home/public_html/wp-content/plugins/event-espresso-core-reg/relative/path/to/some-event.template.php
+	 *          Had you passed an absolute path to your template that was in some other location,
+	 *        ie: "/absolute/path/to/some-event.template.php"
+	 *          then the search would have been :
+	 *        /home/public_html/wp-content/themes/twentysixteen/some-event.template.php
+	 *        /absolute/path/to/some-event.template.php
+	 *          and stopped there upon finding it in the second location
+	 *
+	 * @param array|string $templates       array of template file names including extension (or just a single string)
+	 * @param array        $template_args   an array of arguments to be extracted for use in the template
+	 * @param boolean      $load            whether to pass the located template path on to the
+	 *                                      EEH_Template::display_template() method or simply return it
+	 * @param boolean      $return_string   whether to send output immediately to screen, or capture and return as a
+	 *                                      string
+	 * @param boolean      $check_if_custom If TRUE, this flags this method to return boolean for whether this will
+	 *                                      generate a custom template or not. Used in places where you don't actually
+	 *                                      load the template, you just want to know if there's a custom version of it.
+	 * @return mixed
+	 * @throws DomainException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	public static function locate_template(
+		$templates = [],
+		$template_args = [],
+		$load = true,
+		$return_string = true,
+		$check_if_custom = false
+	) {
+		// first use WP locate_template to check for template in the current theme folder
+		$template_path = locate_template($templates);
+
+		if ($check_if_custom && ! empty($template_path)) {
+			return true;
+		}
+
+		// not in the theme
+		if (empty($template_path)) {
+			// not even a template to look for ?
+			if (empty($templates)) {
+				$loader = LoaderFactory::getLoader();
+				/** @var RequestInterface $request */
+				$request = $loader->getShared(RequestInterface::class);
+				// get post_type
+				$post_type = $request->getRequestParam('post_type');
+				/** @var EventEspresso\core\domain\entities\custom_post_types\CustomPostTypeDefinitions $custom_post_types */
+				$custom_post_types = $loader->getShared(
+					'EventEspresso\core\domain\entities\custom_post_types\CustomPostTypeDefinitions'
+				);
+				// get array of EE Custom Post Types
+				$EE_CPTs = $custom_post_types->getDefinitions();
+				// build template name based on request
+				if (isset($EE_CPTs[ $post_type ])) {
+					$archive_or_single = is_archive() ? 'archive' : '';
+					$archive_or_single = is_single() ? 'single' : $archive_or_single;
+					$templates         = $archive_or_single . '-' . $post_type . '.php';
+				}
+			}
+			// currently active EE template theme
+			$current_theme = EE_Config::get_current_theme();
+
+			// array of paths to folders that may contain templates
+			$template_folder_paths = [
+				// first check the /wp-content/uploads/espresso/templates/(current EE theme)/  folder for an EE theme template file
+				EVENT_ESPRESSO_TEMPLATE_DIR . $current_theme,
+				// then in the root of the /wp-content/uploads/espresso/templates/ folder
+				EVENT_ESPRESSO_TEMPLATE_DIR,
+			];
+
+			// add core plugin folders for checking only if we're not $check_if_custom
+			if (! $check_if_custom) {
+				$core_paths            = [
+					// in the  /wp-content/plugins/(EE4 folder)/public/(current EE theme)/ folder within the plugin
+					EE_PUBLIC . $current_theme,
+					// in the  /wp-content/plugins/(EE4 folder)/core/templates/(current EE theme)/ folder within the plugin
+					EE_TEMPLATES . $current_theme,
+					// or maybe relative from the plugin root: /wp-content/plugins/(EE4 folder)/
+					EE_PLUGIN_DIR_PATH,
+				];
+				$template_folder_paths = array_merge($template_folder_paths, $core_paths);
+			}
+
+			// now filter that array
+			$template_folder_paths = apply_filters(
+				'FHEE__EEH_Template__locate_template__template_folder_paths',
+				$template_folder_paths
+			);
+			$templates = is_array($templates) ? $templates : [$templates];
+			$template_folder_paths = is_array($template_folder_paths)
+				? $template_folder_paths
+				: [$template_folder_paths];
+			// array to hold all possible template paths
+			$full_template_paths = [];
+			$file_name           = '';
+			// loop through $templates
+			foreach ($templates as $template) {
+				// normalize directory separators
+				$template                      = EEH_File::standardise_directory_separators($template);
+				$file_name                     = basename($template);
+				$template_path_minus_file_name = substr($template, 0, (strlen($file_name) * -1));
+				// while looping through all template folder paths
+				foreach ($template_folder_paths as $template_folder_path) {
+					// normalize directory separators
+					$template_folder_path = EEH_File::standardise_directory_separators($template_folder_path);
+					// determine if any common base path exists between the two paths
+					$common_base_path = EEH_Template::_find_common_base_path(
+						[$template_folder_path, $template_path_minus_file_name]
+					);
+					if ($common_base_path !== '') {
+						// both paths have a common base, so just tack the filename onto our search path
+						$resolved_path = EEH_File::end_with_directory_separator($template_folder_path) . $file_name;
+					} else {
+						// no common base path, so let's just concatenate
+						$resolved_path = EEH_File::end_with_directory_separator($template_folder_path) . $template;
+					}
+					// build up our template locations array by adding our resolved paths
+					$full_template_paths[] = $resolved_path;
+				}
+				// if $template is an absolute path, then we'll tack it onto the start of our array so that it gets searched first
+				array_unshift($full_template_paths, $template);
+				// path to the directory of the current theme: /wp-content/themes/(current WP theme)/
+				array_unshift($full_template_paths, get_stylesheet_directory() . '/' . $file_name);
+			}
+			// filter final array of full template paths
+			$full_template_paths = apply_filters(
+				'FHEE__EEH_Template__locate_template__full_template_paths',
+				$full_template_paths,
+				$file_name
+			);
+			// now loop through our final array of template location paths and check each location
+			foreach ((array) $full_template_paths as $full_template_path) {
+				if (is_readable($full_template_path)) {
+					$template_path = str_replace(['\\', '/'], DIRECTORY_SEPARATOR, $full_template_path);
+					break;
+				}
+			}
+		}
+
+		// hook that can be used to display the full template path that will be used
+		do_action('AHEE__EEH_Template__locate_template__full_template_path', $template_path);
+
+		// if we got it and you want to see it...
+		if ($template_path && $load && ! $check_if_custom) {
+			if ($return_string) {
+				return EEH_Template::display_template($template_path, $template_args, true);
+			}
+			EEH_Template::display_template($template_path, $template_args);
+		}
+		return $check_if_custom && ! empty($template_path) ? true : $template_path;
+	}
+
+
+	/**
+	 * _find_common_base_path
+	 * given two paths, this determines if there is a common base path between the two
+	 *
+	 * @param array $paths
+	 * @return string
+	 */
+	protected static function _find_common_base_path($paths)
+	{
+		$last_offset      = 0;
+		$common_base_path = '';
+		while (($index = strpos($paths[0], '/', $last_offset)) !== false) {
+			$dir_length = $index - $last_offset + 1;
+			$directory  = substr($paths[0], $last_offset, $dir_length);
+			foreach ($paths as $path) {
+				if (substr($path, $last_offset, $dir_length) !== $directory) {
+					return $common_base_path;
+				}
+			}
+			$common_base_path .= $directory;
+			$last_offset      = $index + 1;
+		}
+		return substr($common_base_path, 0, -1);
+	}
+
+
+	/**
+	 * load and display a template
+	 *
+	 * @param bool|string $template_path    server path to the file to be loaded, including file name and extension
+	 * @param array       $template_args    an array of arguments to be extracted for use in the template
+	 * @param boolean     $return_string    whether to send output immediately to screen, or capture and return as a
+	 *                                      string
+	 * @param bool        $throw_exceptions if set to true, will throw an exception if the template is either
+	 *                                      not found or is not readable
+	 * @return string
+	 * @throws DomainException
+	 */
+	public static function display_template(
+		$template_path = false,
+		$template_args = [],
+		$return_string = false,
+		$throw_exceptions = false
+	) {
+		/**
+		 * These two filters are intended for last minute changes to templates being loaded and/or template arg
+		 * modifications.  NOTE... modifying these things can cause breakage as most templates running through
+		 * the display_template method are templates we DON'T want modified (usually because of js
+		 * dependencies etc).  So unless you know what you are doing, do NOT filter templates or template args
+		 * using this.
+		 *
+		 * @since 4.6.0
+		 */
+		$template_path = (string) apply_filters('FHEE__EEH_Template__display_template__template_path', $template_path);
+		$template_args = (array) apply_filters('FHEE__EEH_Template__display_template__template_args', $template_args);
+
+		// you gimme nuttin - YOU GET NUTTIN !!
+		if (! $template_path || ! is_readable($template_path)) {
+			// ignore whether template is accessible ?
+			if ($throw_exceptions) {
+				throw new DomainException(
+					esc_html__('Invalid, unreadable, or missing file.', 'event_espresso')
+				);
+			}
+			return '';
+		}
+		// if $template_args are not in an array, then make it so
+		if (! is_array($template_args) && ! is_object($template_args)) {
+			$template_args = [$template_args];
+		}
+		extract($template_args, EXTR_SKIP);
+		// ignore whether template is accessible ?
+		if ($throw_exceptions && ! is_readable($template_path)) {
+			throw new DomainException(
+				esc_html__(
+					'Invalid, unreadable, or missing file.',
+					'event_espresso'
+				)
+			);
+		}
+
+
+		if ($return_string) {
+			// because we want to return a string, we are going to capture the output
+			ob_start();
+			include($template_path);
+			return ob_get_clean();
+		}
+		include($template_path);
+		return '';
+	}
+
+
+	/**
+	 * get_object_css_class - attempts to generate a css class based on the type of EE object passed
+	 *
+	 * @param EE_Base_Class $object the EE object the css class is being generated for
+	 * @param string        $prefix added to the beginning of the generated class
+	 * @param string        $suffix added to the end of the generated class
+	 * @return string
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public static function get_object_css_class($object = null, $prefix = '', $suffix = '')
+	{
+		// in the beginning...
+		$prefix = ! empty($prefix) ? rtrim($prefix, '-') . '-' : '';
+		// da muddle
+		$class = '';
+		// the end
+		$suffix = ! empty($suffix) ? '-' . ltrim($suffix, '-') : '';
+		// is the passed object an EE object ?
+		if ($object instanceof EE_Base_Class) {
+			// grab the exact type of object
+			$obj_class = get_class($object);
+			// depending on the type of object...
+			$class = strtolower(str_replace('_', '-', $obj_class));
+			$class .= method_exists($obj_class, 'name') ? '-' . sanitize_title($object->name()) : '';
+		}
+		return $prefix . $class . $suffix;
+	}
+
+
+	/**
+	 * EEH_Template::format_currency
+	 * This helper takes a raw float value and formats it according to the default config country currency settings, or
+	 * the country currency settings from the supplied country ISO code
+	 *
+	 * @param float   $amount                    raw money value
+	 * @param boolean $return_raw                whether to return the formatted float value only with no currency sign
+	 *                                           or code
+	 * @param boolean $display_code              whether to display the country code (USD). Default = TRUE
+	 * @param string  $CNT_ISO                   2 letter ISO code for a country
+	 * @param string  $cur_code_span_class
+	 * @param boolean $allow_fractional_subunits whether to allow displaying partial penny amounts
+	 * @return string        the html output for the formatted money value
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 * @deprecated $VID:$ plz use CurrencyFormatter::formatForLocale()
+	 */
+	public static function format_currency(
+		$amount = null,
+		$return_raw = false,
+		$display_code = true,
+		$CNT_ISO = '',
+		$cur_code_span_class = 'currency-code', // not used anywhere
+		$allow_fractional_subunits = false
+	) {
+		// ensure amount was received
+		if ($amount === null) {
+			$msg = esc_html__('In order to format currency, an amount needs to be passed.', 'event_espresso');
+			EE_Error::add_error($msg, __FILE__, __FUNCTION__, __LINE__);
+			return '';
+		}
+		// ensure amount is float
+		$amount  = (float) apply_filters('FHEE__EEH_Template__format_currency__raw_amount', (float) $amount);
+		$CNT_ISO = apply_filters('FHEE__EEH_Template__format_currency__CNT_ISO', $CNT_ISO, $amount);
+
+		// filter raw amount (allows 0.00 to be changed to "free" for example)
+		$amount_formatted = apply_filters('FHEE__EEH_Template__format_currency__amount', $amount, $return_raw);
+		// still a number or was amount converted to a string like "free" ?
+		if (! is_float($amount_formatted)) {
+			return esc_html($amount_formatted);
+		}
+
+		try {
+			$currency_formatter = EEH_Template::getCurrencyFormatter();
+			$currency_ISO = '';
+			if ($CNT_ISO !== '') {
+				$currency_config = EEH_Money::get_currency_config($CNT_ISO);
+				$currency_ISO = $currency_config->code;
+			}
+			$currency_locale = $currency_formatter->getLocaleForCurrencyISO($currency_ISO, true);
+
+			// filter to allow global setting of display_code
+			$display_code = apply_filters('FHEE__EEH_Template__format_currency__display_code', $display_code);
+
+			$format = CurrencyFormatter::FORMAT_LOCALIZED_CURRENCY;
+			if ($return_raw) {
+				$format = CurrencyFormatter::FORMAT_LOCALIZED_FLOAT;
+			} elseif ($display_code) {
+				$format = CurrencyFormatter::FORMAT_LOCALIZED_CURRENCY_HTML_CODE;
+			}
+			// don't like this but it maintains backwards compatibility with how things were done before
+			$precision = $allow_fractional_subunits
+				? $currency_locale->decimalPrecision() + 2
+				: $currency_locale->decimalPrecision();
+
+			$amount_formatted = $currency_formatter->formatForLocale(
+				$amount_formatted,
+				$format,
+				$currency_locale->name(),
+				$precision
+			);
+
+			// filter results
+			$amount_formatted = apply_filters(
+				'FHEE__EEH_Template__format_currency__amount_formatted',
+				$amount_formatted,
+				EEH_Template::getCurrencyConfigForCountryISO($currency_locale),
+				$return_raw,
+				$display_code
+			);
+		} catch (Exception $e) {
+			// eat exception
+		}
+		// return formatted currency amount
+		return esc_html($amount_formatted);
+	}
+
+
+	/**
+	 * This function is used for outputting the localized label for a given status id in the schema requested (and
+	 * possibly plural).  The intended use of this function is only for cases where wanting a label outside of a
+	 * related status model or model object (i.e. in documentation etc.)
+	 *
+	 * @param string  $status_id  Status ID matching a registered status in the esp_status table.  If there is no
+	 *                            match, then 'Unknown' will be returned.
+	 * @param boolean $plural     Whether to return plural or not
+	 * @param string  $schema     'UPPER', 'lower', or 'Sentence'
+	 * @return string             The localized label for the status id.
+	 * @throws EE_Error
+	 */
+	public static function pretty_status($status_id, $plural = false, $schema = 'upper')
+	{
+		$status = EEM_Status::instance()->localized_status(
+			[$status_id => esc_html__('unknown', 'event_espresso')],
+			$plural,
+			$schema
+		);
+		return $status[ $status_id ];
+	}
+
+
+	/**
+	 * This helper just returns a button or link for the given parameters
+	 *
+	 * @param string $url   the url for the link, note that `esc_url` will be called on it
+	 * @param string $label What is the label you want displayed for the button
+	 * @param string $class what class is used for the button (defaults to 'button-primary')
+	 * @param string $icon
+	 * @param string $title
+	 * @return string the html output for the button
+	 */
+	public static function get_button_or_link($url, $label, $class = 'button button--primary', $icon = '', $title = '')
+	{
+		$icon_html = '';
+		if (! empty($icon)) {
+			$dashicons = preg_split("(ee-icon |dashicons )", $icon);
+			$dashicons = array_filter($dashicons);
+			$count     = count($dashicons);
+			$icon_html .= $count > 1 ? '<span class="ee-composite-dashicon">' : '';
+			foreach ($dashicons as $dashicon) {
+				$type      = strpos($dashicon, 'ee-icon') !== false ? 'ee-icon ' : 'dashicons ';
+				$icon_html .= '<span class="' . $type . $dashicon . '"></span>';
+			}
+			$icon_html .= $count > 1 ? '</span>' : '';
+		}
+		// sanitize & escape
+		$id    = sanitize_title_with_dashes($label);
+		$url   = esc_url_raw($url);
+		$class = esc_attr($class);
+		$title = esc_attr($title);
+		$label = esc_html($label);
+		return "<a id='{$id}' href='{$url}' class='{$class}' title='{$title}'>{$icon_html}{$label}</a>";
+	}
+
+
+	/**
+	 * This returns a generated link that will load the related help tab on admin pages.
+	 *
+	 * @param string      $help_tab_id the id for the connected help tab
+	 * @param bool|string $page        The page identifier for the page the help tab is on
+	 * @param bool|string $action      The action (route) for the admin page the help tab is on.
+	 * @param bool|string $icon_style  (optional) include css class for the style you want to use for the help icon.
+	 * @param bool|string $help_text   (optional) send help text you want to use for the link if default not to be used
+	 * @return string              generated link
+	 */
+	public static function get_help_tab_link(
+		$help_tab_id,
+		$page = false,
+		$action = false,
+		$icon_style = false,
+		$help_text = false
+	) {
+		$allowedtags = AllowedTags::getAllowedTags();
+		/** @var RequestInterface $request */
+		$request = LoaderFactory::getLoader()->getShared(RequestInterface::class);
+		$page    = $page ?: $request->getRequestParam('page', '', 'key');
+		$action  = $action ?: $request->getRequestParam('action', 'default', 'key');
+
+
+		$help_tab_lnk = $page . '-' . $action . '-' . $help_tab_id;
+		$icon = $icon_style ? $icon_style : ' dashicons-editor-help';
+		$help_text = $help_text ? $help_text : '';
+		$link = '<a id="' . $help_tab_lnk . '"';
+		$link .= ' class="ee-clickable espresso-help-tab-lnk dashicons' . $icon . '"';
+		$link .= ' title="' .  esc_attr__(
+			'Click to open the \'Help\' tab for more information about this feature.',
+			'event_espresso'
+		) . '"';
+		$link .= ' > ' . $help_text . ' </a>';
+		return $link;
+	}
+
+
+	/**
+	 * This helper generates the html structure for the jquery joyride plugin with the given params.
+	 *
+	 * @link http://zurb.com/playground/jquery-joyride-feature-tour-plugin
+	 * @see  EE_Admin_Page->_stop_callback() for the construct expected for the $stops param.
+	 * @param EE_Help_Tour
+	 * @return string         html
+	 * @throws EE_Error
+	 */
+	public static function help_tour_stops_generator(EE_Help_Tour $tour)
+	{
+		$id    = $tour->get_slug();
+		$stops = $tour->get_stops();
+
+		$content = '<ol style="display:none" id="' . $id . '">';
+
+		foreach ($stops as $stop) {
+			$data_id    = ! empty($stop['id']) ? ' data-id="' . $stop['id'] . '"' : '';
+			$data_class = empty($data_id) && ! empty($stop['class']) ? ' data-class="' . $stop['class'] . '"' : '';
+
+			// if container is set to modal then let's make sure we set the options accordingly
+			if (empty($data_id) && empty($data_class)) {
+				$stop['options']['modal']  = true;
+				$stop['options']['expose'] = true;
+			}
+
+			$custom_class  = ! empty($stop['custom_class']) ? ' class="' . $stop['custom_class'] . '"' : '';
+			$button_text   = ! empty($stop['button_text']) ? ' data-button="' . $stop['button_text'] . '"' : '';
+			$inner_content = isset($stop['content']) ? $stop['content'] : '';
+
+			// options
+			if (isset($stop['options']) && is_array($stop['options'])) {
+				$options = ' data-options="';
+				foreach ($stop['options'] as $option => $value) {
+					$options .= $option . ':' . $value . ';';
+				}
+				$options .= '"';
+			} else {
+				$options = '';
+			}
+
+			// let's put all together
+			$content .= '<li'
+						. $data_id
+						. $data_class
+						. $custom_class
+						. $button_text
+						. $options
+						. '>'
+						. $inner_content
+						. '</li>';
+		}
+
+		$content .= '</ol>';
+		return $content;
+	}
+
+
+	/**
+	 * This is a helper method to generate a status legend for a given status array.
+	 * Note this will only work if the incoming statuses have a key in the EEM_Status->localized_status() methods
+	 * status_array.
+	 *
+	 * @param array  $status_array   array of statuses that will make up the legend. In format:
+	 *                               array(
+	 *                               'status_item' => 'status_name'
+	 *                               )
+	 * @param string $active_status  This is used to indicate what the active status is IF that is to be highlighted in
+	 *                               the legend.
+	 * @return string               html structure for status.
+	 * @throws EE_Error
+	 */
+	public static function status_legend($status_array, $active_status = '')
+	{
+		if (! is_array($status_array)) {
+			throw new EE_Error(
+				esc_html__(
+					'The EEH_Template::status_legend helper required the incoming status_array argument to be an array!',
+					'event_espresso'
+				)
+			);
+		}
+
+		$content = '
             <div class="ee-list-table-legend-container">
                 <h4 class="status-legend-title">
                     ' . esc_html__('Status Legend', 'event_espresso') . '
                 </h4>
                 <dl class="ee-list-table-legend">';
 
-        foreach ($status_array as $item => $status) {
-            $active_class = $active_status == $status ? 'class="ee-is-active-status"' : '';
-            $content      .= '
+		foreach ($status_array as $item => $status) {
+			$active_class = $active_status == $status ? 'class="ee-is-active-status"' : '';
+			$content      .= '
                     <dt id="' . esc_attr('ee-legend-item-tooltip-' . $item) . '" ' . $active_class . '>
                         <span class="' . esc_attr('ee-status-legend ee-status-legend-' . $status) . '"></span>
                         <span class="ee-legend-description">
                             ' . EEH_Template::pretty_status($status, false, 'sentence') . '
                         </span>
                     </dt>';
-        }
+		}
 
-        $content .= '
+		$content .= '
                 </dl>
             </div>
 ';
-        return $content;
-    }
-
-
-    /**
-     * Gets HTML for laying out a deeply-nested array (and objects) in a format
-     * that's nice for presenting in the wp admin
-     *
-     * @param mixed $data
-     * @return string
-     */
-    public static function layout_array_as_table($data)
-    {
-        if (is_object($data) || $data instanceof __PHP_Incomplete_Class) {
-            $data = (array) $data;
-        }
-        ob_start();
-        if (is_array($data)) {
-            if (EEH_Array::is_associative_array($data)) { ?>
+		return $content;
+	}
+
+
+	/**
+	 * Gets HTML for laying out a deeply-nested array (and objects) in a format
+	 * that's nice for presenting in the wp admin
+	 *
+	 * @param mixed $data
+	 * @return string
+	 */
+	public static function layout_array_as_table($data)
+	{
+		if (is_object($data) || $data instanceof __PHP_Incomplete_Class) {
+			$data = (array) $data;
+		}
+		ob_start();
+		if (is_array($data)) {
+			if (EEH_Array::is_associative_array($data)) { ?>
                 <table class="widefat">
                     <tbody>
                     <?php foreach ($data as $data_key => $data_values) { ?>
@@ -804,7 +804,7 @@ 
                             </td>
                             <td>
                                 <?php
-                                echo EEH_Template::layout_array_as_table($data_values); ?>
+								echo EEH_Template::layout_array_as_table($data_values); ?>
                             </td>
                         </tr>
                     <?php } ?>
@@ -813,292 +813,292 @@ 
             <?php } else { ?>
                 <ul>
                     <?php
-                    foreach ($data as $datum) {
-                        echo "<li>";
-                        echo EEH_Template::layout_array_as_table($datum);
-                        echo "</li>";
-                    } ?>
+					foreach ($data as $datum) {
+						echo "<li>";
+						echo EEH_Template::layout_array_as_table($datum);
+						echo "</li>";
+					} ?>
                 </ul>
             <?php }
-        } else {
-            // simple value
-            echo esc_html($data);
-        }
-        return ob_get_clean();
-    }
-
-
-    /**
-     * wrapper for EEH_Template::get_paging_html() that simply echos the generated paging html
-     *
-     * @param        $total_items
-     * @param        $current
-     * @param        $per_page
-     * @param        $url
-     * @param bool   $show_num_field
-     * @param string $paged_arg_name
-     * @param array  $items_label
-     * @see   self:get_paging_html() for argument docs.
-     * @since 4.4.0
-     */
-    public static function paging_html(
-        $total_items,
-        $current,
-        $per_page,
-        $url,
-        $show_num_field = true,
-        $paged_arg_name = 'paged',
-        $items_label = []
-    ) {
-        echo EEH_Template::get_paging_html(
-            $total_items,
-            $current,
-            $per_page,
-            $url,
-            $show_num_field,
-            $paged_arg_name,
-            $items_label
-        );
-    }
-
-
-    /**
-     * A method for generating paging similar to WP_List_Table
-     *
-     * @param integer $total_items      How many total items there are to page.
-     * @param integer $current          What the current page is.
-     * @param integer $per_page         How many items per page.
-     * @param string  $url              What the base url for page links is.
-     * @param boolean $show_num_field   Whether to show the input for changing page number.
-     * @param string  $paged_arg_name   The name of the key for the paged query argument.
-     * @param array   $items_label      An array of singular/plural values for the items label:
-     *                                  array(
-     *                                  'single' => 'item',
-     *                                  'plural' => 'items'
-     *                                  )
-     * @return  string
-     * @since    4.4.0
-     * @see      wp-admin/includes/class-wp-list-table.php WP_List_Table::pagination()
-     */
-    public static function get_paging_html(
-        $total_items,
-        $current,
-        $per_page,
-        $url,
-        $show_num_field = true,
-        $paged_arg_name = 'paged',
-        $items_label = []
-    ) {
-        $page_links     = [];
-        $disable_first  = $disable_last = '';
-        $total_items    = (int) $total_items;
-        $per_page       = (int) $per_page;
-        $current        = (int) $current;
-        $paged_arg_name = empty($paged_arg_name) ? 'paged' : sanitize_key($paged_arg_name);
-
-        // filter items_label
-        $items_label = apply_filters(
-            'FHEE__EEH_Template__get_paging_html__items_label',
-            $items_label
-        );
-
-        if (
-            empty($items_label)
-            || ! is_array($items_label)
-            || ! isset($items_label['single'], $items_label['plural'])
-        ) {
-            $items_label = [
-                'single' => esc_html__('1 item', 'event_espresso'),
-                'plural' => esc_html__('%s items', 'event_espresso'),
-            ];
-        } else {
-            $items_label = [
-                'single' => '1 ' . esc_html($items_label['single']),
-                'plural' => '%s ' . esc_html($items_label['plural']),
-            ];
-        }
-
-        $total_pages = ceil($total_items / $per_page);
-
-        if ($total_pages <= 1) {
-            return '';
-        }
-
-        $item_label = $total_items > 1 ? sprintf($items_label['plural'], $total_items) : $items_label['single'];
-
-        $output = '<span class="displaying-num">' . $item_label . '</span>';
-
-        if ($current === 1) {
-            $disable_first = ' disabled';
-        }
-        if ($current === $total_pages) {
-            $disable_last = ' disabled';
-        }
-
-        $page_links[] = sprintf(
-            "<a class='%s' title='%s' href='%s'>%s</a>",
-            'first-page' . $disable_first,
-            esc_attr__('Go to the first page', 'event_espresso'),
-            esc_url_raw(remove_query_arg($paged_arg_name, $url)),
-            '&laquo;'
-        );
-
-        $page_links[] = sprintf(
-            '<a class="%s" title="%s" href="%s">%s</a>',
-            'prev-page' . $disable_first,
-            esc_attr__('Go to the previous page', 'event_espresso'),
-            esc_url_raw(add_query_arg($paged_arg_name, max(1, $current - 1), $url)),
-            '&lsaquo;'
-        );
-
-        if (! $show_num_field) {
-            $html_current_page = $current;
-        } else {
-            $html_current_page = sprintf(
-                "<input class='current-page' title='%s' type='text' name=$paged_arg_name value='%s' size='%d' />",
-                esc_attr__('Current page', 'event_espresso'),
-                esc_attr($current),
-                strlen($total_pages)
-            );
-        }
-
-        $html_total_pages = sprintf(
-            '<span class="total-pages">%s</span>',
-            number_format_i18n($total_pages)
-        );
-        $page_links[]     = sprintf(
-            _x('%3$s%1$s of %2$s%4$s', 'paging', 'event_espresso'),
-            $html_current_page,
-            $html_total_pages,
-            '<span class="paging-input">',
-            '</span>'
-        );
-
-        $page_links[] = sprintf(
-            '<a class="%s" title="%s" href="%s">%s</a>',
-            'next-page' . $disable_last,
-            esc_attr__('Go to the next page', 'event_espresso'),
-            esc_url_raw(add_query_arg($paged_arg_name, min($total_pages, $current + 1), $url)),
-            '&rsaquo;'
-        );
-
-        $page_links[] = sprintf(
-            '<a class="%s" title="%s" href="%s">%s</a>',
-            'last-page' . $disable_last,
-            esc_attr__('Go to the last page', 'event_espresso'),
-            esc_url_raw(add_query_arg($paged_arg_name, $total_pages, $url)),
-            '&raquo;'
-        );
-
-        $output .= "\n" . '<span class="pagination-links">' . join("\n", $page_links) . '</span>';
-        // set page class
-        if ($total_pages) {
-            $page_class = $total_pages < 2 ? ' one-page' : '';
-        } else {
-            $page_class = ' no-pages';
-        }
-
-        return '<div class="tablenav"><div class="tablenav-pages' . $page_class . '">' . $output . '</div></div>';
-    }
-
-
-    /**
-     * @param string $wrap_class
-     * @param string $wrap_id
-     * @param array  $query_args
-     * @return string
-     */
-    public static function powered_by_event_espresso($wrap_class = '', $wrap_id = '', array $query_args = [])
-    {
-        $admin = is_admin() && ! (defined('DOING_AJAX') && DOING_AJAX);
-        if (
-            ! $admin
-            && ! apply_filters(
-                'FHEE__EEH_Template__powered_by_event_espresso__show_reg_footer',
-                EE_Registry::instance()->CFG->admin->show_reg_footer
-            )
-        ) {
-            return '';
-        }
-        $tag        = $admin ? 'span' : 'div';
-        $attributes = ! empty($wrap_id) ? " id=\"{$wrap_id}\"" : '';
-        $wrap_class = $admin ? "{$wrap_class} float-left" : $wrap_class;
-        $attributes .= ! empty($wrap_class)
-            ? " class=\"{$wrap_class} powered-by-event-espresso-credit\""
-            : ' class="powered-by-event-espresso-credit"';
-        $query_args = array_merge(
-            [
-                'ap_id'        => EE_Registry::instance()->CFG->admin->affiliate_id(),
-                'utm_source'   => 'powered_by_event_espresso',
-                'utm_medium'   => 'link',
-                'utm_campaign' => 'powered_by',
-            ],
-            $query_args
-        );
-        $powered_by = apply_filters(
-            'FHEE__EEH_Template__powered_by_event_espresso_text',
-            $admin ? 'Event Espresso - ' . EVENT_ESPRESSO_VERSION : 'Event Espresso'
-        );
-        $url        = add_query_arg($query_args, 'https://eventespresso.com/');
-        $url        = apply_filters('FHEE__EEH_Template__powered_by_event_espresso__url', $url);
-        return (string) apply_filters(
-            'FHEE__EEH_Template__powered_by_event_espresso__html',
-            sprintf(
-                esc_html_x(
-                    '%3$s%1$sOnline event registration and ticketing powered by %2$s%3$s',
-                    'Online event registration and ticketing powered by [link to eventespresso.com]',
-                    'event_espresso'
-                ),
-                "<{$tag}{$attributes}>",
-                "<a href=\"{$url}\" target=\"_blank\" rel=\"nofollow\">{$powered_by}</a></{$tag}>",
-                $admin ? '' : '<br />'
-            ),
-            $wrap_class,
-            $wrap_id
-        );
-    }
-
-
-    /**
-     * @param string $image_name
-     * @return string|null
-     * @since   4.10.14.p
-     */
-    public static function getScreenshotUrl($image_name)
-    {
-        return esc_url_raw(EE_GLOBAL_ASSETS_URL . 'images/screenshots/' . $image_name . '.jpg');
-    }
+		} else {
+			// simple value
+			echo esc_html($data);
+		}
+		return ob_get_clean();
+	}
+
+
+	/**
+	 * wrapper for EEH_Template::get_paging_html() that simply echos the generated paging html
+	 *
+	 * @param        $total_items
+	 * @param        $current
+	 * @param        $per_page
+	 * @param        $url
+	 * @param bool   $show_num_field
+	 * @param string $paged_arg_name
+	 * @param array  $items_label
+	 * @see   self:get_paging_html() for argument docs.
+	 * @since 4.4.0
+	 */
+	public static function paging_html(
+		$total_items,
+		$current,
+		$per_page,
+		$url,
+		$show_num_field = true,
+		$paged_arg_name = 'paged',
+		$items_label = []
+	) {
+		echo EEH_Template::get_paging_html(
+			$total_items,
+			$current,
+			$per_page,
+			$url,
+			$show_num_field,
+			$paged_arg_name,
+			$items_label
+		);
+	}
+
+
+	/**
+	 * A method for generating paging similar to WP_List_Table
+	 *
+	 * @param integer $total_items      How many total items there are to page.
+	 * @param integer $current          What the current page is.
+	 * @param integer $per_page         How many items per page.
+	 * @param string  $url              What the base url for page links is.
+	 * @param boolean $show_num_field   Whether to show the input for changing page number.
+	 * @param string  $paged_arg_name   The name of the key for the paged query argument.
+	 * @param array   $items_label      An array of singular/plural values for the items label:
+	 *                                  array(
+	 *                                  'single' => 'item',
+	 *                                  'plural' => 'items'
+	 *                                  )
+	 * @return  string
+	 * @since    4.4.0
+	 * @see      wp-admin/includes/class-wp-list-table.php WP_List_Table::pagination()
+	 */
+	public static function get_paging_html(
+		$total_items,
+		$current,
+		$per_page,
+		$url,
+		$show_num_field = true,
+		$paged_arg_name = 'paged',
+		$items_label = []
+	) {
+		$page_links     = [];
+		$disable_first  = $disable_last = '';
+		$total_items    = (int) $total_items;
+		$per_page       = (int) $per_page;
+		$current        = (int) $current;
+		$paged_arg_name = empty($paged_arg_name) ? 'paged' : sanitize_key($paged_arg_name);
+
+		// filter items_label
+		$items_label = apply_filters(
+			'FHEE__EEH_Template__get_paging_html__items_label',
+			$items_label
+		);
+
+		if (
+			empty($items_label)
+			|| ! is_array($items_label)
+			|| ! isset($items_label['single'], $items_label['plural'])
+		) {
+			$items_label = [
+				'single' => esc_html__('1 item', 'event_espresso'),
+				'plural' => esc_html__('%s items', 'event_espresso'),
+			];
+		} else {
+			$items_label = [
+				'single' => '1 ' . esc_html($items_label['single']),
+				'plural' => '%s ' . esc_html($items_label['plural']),
+			];
+		}
+
+		$total_pages = ceil($total_items / $per_page);
+
+		if ($total_pages <= 1) {
+			return '';
+		}
+
+		$item_label = $total_items > 1 ? sprintf($items_label['plural'], $total_items) : $items_label['single'];
+
+		$output = '<span class="displaying-num">' . $item_label . '</span>';
+
+		if ($current === 1) {
+			$disable_first = ' disabled';
+		}
+		if ($current === $total_pages) {
+			$disable_last = ' disabled';
+		}
+
+		$page_links[] = sprintf(
+			"<a class='%s' title='%s' href='%s'>%s</a>",
+			'first-page' . $disable_first,
+			esc_attr__('Go to the first page', 'event_espresso'),
+			esc_url_raw(remove_query_arg($paged_arg_name, $url)),
+			'&laquo;'
+		);
+
+		$page_links[] = sprintf(
+			'<a class="%s" title="%s" href="%s">%s</a>',
+			'prev-page' . $disable_first,
+			esc_attr__('Go to the previous page', 'event_espresso'),
+			esc_url_raw(add_query_arg($paged_arg_name, max(1, $current - 1), $url)),
+			'&lsaquo;'
+		);
+
+		if (! $show_num_field) {
+			$html_current_page = $current;
+		} else {
+			$html_current_page = sprintf(
+				"<input class='current-page' title='%s' type='text' name=$paged_arg_name value='%s' size='%d' />",
+				esc_attr__('Current page', 'event_espresso'),
+				esc_attr($current),
+				strlen($total_pages)
+			);
+		}
+
+		$html_total_pages = sprintf(
+			'<span class="total-pages">%s</span>',
+			number_format_i18n($total_pages)
+		);
+		$page_links[]     = sprintf(
+			_x('%3$s%1$s of %2$s%4$s', 'paging', 'event_espresso'),
+			$html_current_page,
+			$html_total_pages,
+			'<span class="paging-input">',
+			'</span>'
+		);
+
+		$page_links[] = sprintf(
+			'<a class="%s" title="%s" href="%s">%s</a>',
+			'next-page' . $disable_last,
+			esc_attr__('Go to the next page', 'event_espresso'),
+			esc_url_raw(add_query_arg($paged_arg_name, min($total_pages, $current + 1), $url)),
+			'&rsaquo;'
+		);
+
+		$page_links[] = sprintf(
+			'<a class="%s" title="%s" href="%s">%s</a>',
+			'last-page' . $disable_last,
+			esc_attr__('Go to the last page', 'event_espresso'),
+			esc_url_raw(add_query_arg($paged_arg_name, $total_pages, $url)),
+			'&raquo;'
+		);
+
+		$output .= "\n" . '<span class="pagination-links">' . join("\n", $page_links) . '</span>';
+		// set page class
+		if ($total_pages) {
+			$page_class = $total_pages < 2 ? ' one-page' : '';
+		} else {
+			$page_class = ' no-pages';
+		}
+
+		return '<div class="tablenav"><div class="tablenav-pages' . $page_class . '">' . $output . '</div></div>';
+	}
+
+
+	/**
+	 * @param string $wrap_class
+	 * @param string $wrap_id
+	 * @param array  $query_args
+	 * @return string
+	 */
+	public static function powered_by_event_espresso($wrap_class = '', $wrap_id = '', array $query_args = [])
+	{
+		$admin = is_admin() && ! (defined('DOING_AJAX') && DOING_AJAX);
+		if (
+			! $admin
+			&& ! apply_filters(
+				'FHEE__EEH_Template__powered_by_event_espresso__show_reg_footer',
+				EE_Registry::instance()->CFG->admin->show_reg_footer
+			)
+		) {
+			return '';
+		}
+		$tag        = $admin ? 'span' : 'div';
+		$attributes = ! empty($wrap_id) ? " id=\"{$wrap_id}\"" : '';
+		$wrap_class = $admin ? "{$wrap_class} float-left" : $wrap_class;
+		$attributes .= ! empty($wrap_class)
+			? " class=\"{$wrap_class} powered-by-event-espresso-credit\""
+			: ' class="powered-by-event-espresso-credit"';
+		$query_args = array_merge(
+			[
+				'ap_id'        => EE_Registry::instance()->CFG->admin->affiliate_id(),
+				'utm_source'   => 'powered_by_event_espresso',
+				'utm_medium'   => 'link',
+				'utm_campaign' => 'powered_by',
+			],
+			$query_args
+		);
+		$powered_by = apply_filters(
+			'FHEE__EEH_Template__powered_by_event_espresso_text',
+			$admin ? 'Event Espresso - ' . EVENT_ESPRESSO_VERSION : 'Event Espresso'
+		);
+		$url        = add_query_arg($query_args, 'https://eventespresso.com/');
+		$url        = apply_filters('FHEE__EEH_Template__powered_by_event_espresso__url', $url);
+		return (string) apply_filters(
+			'FHEE__EEH_Template__powered_by_event_espresso__html',
+			sprintf(
+				esc_html_x(
+					'%3$s%1$sOnline event registration and ticketing powered by %2$s%3$s',
+					'Online event registration and ticketing powered by [link to eventespresso.com]',
+					'event_espresso'
+				),
+				"<{$tag}{$attributes}>",
+				"<a href=\"{$url}\" target=\"_blank\" rel=\"nofollow\">{$powered_by}</a></{$tag}>",
+				$admin ? '' : '<br />'
+			),
+			$wrap_class,
+			$wrap_id
+		);
+	}
+
+
+	/**
+	 * @param string $image_name
+	 * @return string|null
+	 * @since   4.10.14.p
+	 */
+	public static function getScreenshotUrl($image_name)
+	{
+		return esc_url_raw(EE_GLOBAL_ASSETS_URL . 'images/screenshots/' . $image_name . '.jpg');
+	}
 }
 
 
 if (! function_exists('espresso_pagination')) {
-    /**
-     *    espresso_pagination
-     *
-     * @access    public
-     * @return    void
-     */
-    function espresso_pagination()
-    {
-        global $wp_query;
-        $big        = 999999999; // need an unlikely integer
-        $pagination = paginate_links(
-            [
-                'base'         => str_replace($big, '%#%', esc_url(get_pagenum_link($big))),
-                'format'       => '?paged=%#%',
-                'current'      => max(1, get_query_var('paged')),
-                'total'        => $wp_query->max_num_pages,
-                'show_all'     => true,
-                'end_size'     => 10,
-                'mid_size'     => 6,
-                'prev_next'    => true,
-                'prev_text'    => esc_html__('&lsaquo; PREV', 'event_espresso'),
-                'next_text'    => esc_html__('NEXT &rsaquo;', 'event_espresso'),
-                'type'         => 'plain',
-                'add_args'     => false,
-                'add_fragment' => '',
-            ]
-        );
-        echo ! empty($pagination) ? '<div class="ee-pagination-dv ee-clear-float">' . $pagination . '</div>' : '';
-    }
+	/**
+	 *    espresso_pagination
+	 *
+	 * @access    public
+	 * @return    void
+	 */
+	function espresso_pagination()
+	{
+		global $wp_query;
+		$big        = 999999999; // need an unlikely integer
+		$pagination = paginate_links(
+			[
+				'base'         => str_replace($big, '%#%', esc_url(get_pagenum_link($big))),
+				'format'       => '?paged=%#%',
+				'current'      => max(1, get_query_var('paged')),
+				'total'        => $wp_query->max_num_pages,
+				'show_all'     => true,
+				'end_size'     => 10,
+				'mid_size'     => 6,
+				'prev_next'    => true,
+				'prev_text'    => esc_html__('&lsaquo; PREV', 'event_espresso'),
+				'next_text'    => esc_html__('NEXT &rsaquo;', 'event_espresso'),
+				'type'         => 'plain',
+				'add_args'     => false,
+				'add_fragment' => '',
+			]
+		);
+		echo ! empty($pagination) ? '<div class="ee-pagination-dv ee-clear-float">' . $pagination . '</div>' : '';
+	}
 }

Spacing +67 added lines, -67 removed lines

@@ -8,7 +8,7 @@ 
 use EventEspresso\core\services\request\RequestInterface;
 use EventEspresso\core\services\request\sanitizers\AllowedTags;
 
-if (! function_exists('espresso_get_template_part')) {
+if ( ! function_exists('espresso_get_template_part')) {
     /**
      * espresso_get_template_part
      * basically a copy of the WordPress get_template_part() function but uses EEH_Template::locate_template() instead, and doesn't add base versions of files
@@ -24,7 +24,7 @@ 
 }
 
 
-if (! function_exists('espresso_get_object_css_class')) {
+if ( ! function_exists('espresso_get_object_css_class')) {
     /**
      * espresso_get_object_css_class - attempts to generate a css class based on the type of EE object passed
      *
@@ -80,14 +80,14 @@ 
     {
         $currencyISO = $currency_locale->currencyIsoCode();
         if (
-            ! isset(EEH_Template::$currency_config[ $currencyISO ])
-            || ! EEH_Template::$currency_config[ $currencyISO ] instanceof EE_Currency_Config
+            ! isset(EEH_Template::$currency_config[$currencyISO])
+            || ! EEH_Template::$currency_config[$currencyISO] instanceof EE_Currency_Config
         ) {
             $CNT_ISO = EEM_Country::instance()->getCountryISOForCurrencyISO($currencyISO);
             $currency_config = new EE_Currency_Config($CNT_ISO);
-            EEH_Template::$currency_config[ $currencyISO ] = $currency_config;
+            EEH_Template::$currency_config[$currencyISO] = $currency_config;
         }
-        return EEH_Template::$currency_config[ $currencyISO ];
+        return EEH_Template::$currency_config[$currencyISO];
     }
 
 
@@ -97,7 +97,7 @@ 
      */
     private static function getCurrencyFormatter()
     {
-        if (! EEH_Template::$currency_formatter instanceof CurrencyFormatter) {
+        if ( ! EEH_Template::$currency_formatter instanceof CurrencyFormatter) {
             EEH_Template::$currency_formatter = LoaderFactory::getLoader()->getShared(CurrencyFormatter::class);
         }
         return EEH_Template::$currency_formatter;
@@ -125,9 +125,9 @@ 
     {
         if (
             ! defined('EE_THEME_FUNCTIONS_LOADED')
-            && is_readable(EE_PUBLIC . EE_Config::get_current_theme() . '/functions.php')
+            && is_readable(EE_PUBLIC.EE_Config::get_current_theme().'/functions.php')
         ) {
-            require_once(EE_PUBLIC . EE_Config::get_current_theme() . '/functions.php');
+            require_once(EE_PUBLIC.EE_Config::get_current_theme().'/functions.php');
         }
     }
 
@@ -140,16 +140,16 @@ 
     public static function get_espresso_themes()
     {
         if (empty(EEH_Template::$_espresso_themes)) {
-            $espresso_themes = glob(EE_PUBLIC . '*', GLOB_ONLYDIR);
+            $espresso_themes = glob(EE_PUBLIC.'*', GLOB_ONLYDIR);
             if (empty($espresso_themes)) {
                 return [];
             }
             if (($key = array_search('global_assets', $espresso_themes, true)) !== false) {
-                unset($espresso_themes[ $key ]);
+                unset($espresso_themes[$key]);
             }
             EEH_Template::$_espresso_themes = [];
             foreach ($espresso_themes as $espresso_theme) {
-                EEH_Template::$_espresso_themes[ basename($espresso_theme) ] = $espresso_theme;
+                EEH_Template::$_espresso_themes[basename($espresso_theme)] = $espresso_theme;
             }
         }
         return EEH_Template::$_espresso_themes;
@@ -265,10 +265,10 @@ 
                 // get array of EE Custom Post Types
                 $EE_CPTs = $custom_post_types->getDefinitions();
                 // build template name based on request
-                if (isset($EE_CPTs[ $post_type ])) {
+                if (isset($EE_CPTs[$post_type])) {
                     $archive_or_single = is_archive() ? 'archive' : '';
                     $archive_or_single = is_single() ? 'single' : $archive_or_single;
-                    $templates         = $archive_or_single . '-' . $post_type . '.php';
+                    $templates         = $archive_or_single.'-'.$post_type.'.php';
                 }
             }
             // currently active EE template theme
@@ -277,18 +277,18 @@ 
             // array of paths to folders that may contain templates
             $template_folder_paths = [
                 // first check the /wp-content/uploads/espresso/templates/(current EE theme)/  folder for an EE theme template file
-                EVENT_ESPRESSO_TEMPLATE_DIR . $current_theme,
+                EVENT_ESPRESSO_TEMPLATE_DIR.$current_theme,
                 // then in the root of the /wp-content/uploads/espresso/templates/ folder
                 EVENT_ESPRESSO_TEMPLATE_DIR,
             ];
 
             // add core plugin folders for checking only if we're not $check_if_custom
-            if (! $check_if_custom) {
-                $core_paths            = [
+            if ( ! $check_if_custom) {
+                $core_paths = [
                     // in the  /wp-content/plugins/(EE4 folder)/public/(current EE theme)/ folder within the plugin
-                    EE_PUBLIC . $current_theme,
+                    EE_PUBLIC.$current_theme,
                     // in the  /wp-content/plugins/(EE4 folder)/core/templates/(current EE theme)/ folder within the plugin
-                    EE_TEMPLATES . $current_theme,
+                    EE_TEMPLATES.$current_theme,
                     // or maybe relative from the plugin root: /wp-content/plugins/(EE4 folder)/
                     EE_PLUGIN_DIR_PATH,
                 ];
@@ -323,10 +323,10 @@ 
                     );
                     if ($common_base_path !== '') {
                         // both paths have a common base, so just tack the filename onto our search path
-                        $resolved_path = EEH_File::end_with_directory_separator($template_folder_path) . $file_name;
+                        $resolved_path = EEH_File::end_with_directory_separator($template_folder_path).$file_name;
                     } else {
                         // no common base path, so let's just concatenate
-                        $resolved_path = EEH_File::end_with_directory_separator($template_folder_path) . $template;
+                        $resolved_path = EEH_File::end_with_directory_separator($template_folder_path).$template;
                     }
                     // build up our template locations array by adding our resolved paths
                     $full_template_paths[] = $resolved_path;
@@ -334,7 +334,7 @@ 
                 // if $template is an absolute path, then we'll tack it onto the start of our array so that it gets searched first
                 array_unshift($full_template_paths, $template);
                 // path to the directory of the current theme: /wp-content/themes/(current WP theme)/
-                array_unshift($full_template_paths, get_stylesheet_directory() . '/' . $file_name);
+                array_unshift($full_template_paths, get_stylesheet_directory().'/'.$file_name);
             }
             // filter final array of full template paths
             $full_template_paths = apply_filters(
@@ -385,7 +385,7 @@ 
                 }
             }
             $common_base_path .= $directory;
-            $last_offset      = $index + 1;
+            $last_offset = $index + 1;
         }
         return substr($common_base_path, 0, -1);
     }
@@ -422,7 +422,7 @@ 
         $template_args = (array) apply_filters('FHEE__EEH_Template__display_template__template_args', $template_args);
 
         // you gimme nuttin - YOU GET NUTTIN !!
-        if (! $template_path || ! is_readable($template_path)) {
+        if ( ! $template_path || ! is_readable($template_path)) {
             // ignore whether template is accessible ?
             if ($throw_exceptions) {
                 throw new DomainException(
@@ -432,7 +432,7 @@ 
             return '';
         }
         // if $template_args are not in an array, then make it so
-        if (! is_array($template_args) && ! is_object($template_args)) {
+        if ( ! is_array($template_args) && ! is_object($template_args)) {
             $template_args = [$template_args];
         }
         extract($template_args, EXTR_SKIP);
@@ -471,20 +471,20 @@ 
     public static function get_object_css_class($object = null, $prefix = '', $suffix = '')
     {
         // in the beginning...
-        $prefix = ! empty($prefix) ? rtrim($prefix, '-') . '-' : '';
+        $prefix = ! empty($prefix) ? rtrim($prefix, '-').'-' : '';
         // da muddle
         $class = '';
         // the end
-        $suffix = ! empty($suffix) ? '-' . ltrim($suffix, '-') : '';
+        $suffix = ! empty($suffix) ? '-'.ltrim($suffix, '-') : '';
         // is the passed object an EE object ?
         if ($object instanceof EE_Base_Class) {
             // grab the exact type of object
             $obj_class = get_class($object);
             // depending on the type of object...
             $class = strtolower(str_replace('_', '-', $obj_class));
-            $class .= method_exists($obj_class, 'name') ? '-' . sanitize_title($object->name()) : '';
+            $class .= method_exists($obj_class, 'name') ? '-'.sanitize_title($object->name()) : '';
         }
-        return $prefix . $class . $suffix;
+        return $prefix.$class.$suffix;
     }
 
 
@@ -526,7 +526,7 @@ 
         // filter raw amount (allows 0.00 to be changed to "free" for example)
         $amount_formatted = apply_filters('FHEE__EEH_Template__format_currency__amount', $amount, $return_raw);
         // still a number or was amount converted to a string like "free" ?
-        if (! is_float($amount_formatted)) {
+        if ( ! is_float($amount_formatted)) {
             return esc_html($amount_formatted);
         }
 
@@ -595,7 +595,7 @@ 
             $plural,
             $schema
         );
-        return $status[ $status_id ];
+        return $status[$status_id];
     }
 
 
@@ -612,14 +612,14 @@ 
     public static function get_button_or_link($url, $label, $class = 'button button--primary', $icon = '', $title = '')
     {
         $icon_html = '';
-        if (! empty($icon)) {
+        if ( ! empty($icon)) {
             $dashicons = preg_split("(ee-icon |dashicons )", $icon);
             $dashicons = array_filter($dashicons);
             $count     = count($dashicons);
             $icon_html .= $count > 1 ? '<span class="ee-composite-dashicon">' : '';
             foreach ($dashicons as $dashicon) {
-                $type      = strpos($dashicon, 'ee-icon') !== false ? 'ee-icon ' : 'dashicons ';
-                $icon_html .= '<span class="' . $type . $dashicon . '"></span>';
+                $type = strpos($dashicon, 'ee-icon') !== false ? 'ee-icon ' : 'dashicons ';
+                $icon_html .= '<span class="'.$type.$dashicon.'"></span>';
             }
             $icon_html .= $count > 1 ? '</span>' : '';
         }
@@ -657,16 +657,16 @@ 
         $action  = $action ?: $request->getRequestParam('action', 'default', 'key');
 
 
-        $help_tab_lnk = $page . '-' . $action . '-' . $help_tab_id;
+        $help_tab_lnk = $page.'-'.$action.'-'.$help_tab_id;
         $icon = $icon_style ? $icon_style : ' dashicons-editor-help';
         $help_text = $help_text ? $help_text : '';
-        $link = '<a id="' . $help_tab_lnk . '"';
-        $link .= ' class="ee-clickable espresso-help-tab-lnk dashicons' . $icon . '"';
-        $link .= ' title="' .  esc_attr__(
+        $link = '<a id="'.$help_tab_lnk.'"';
+        $link .= ' class="ee-clickable espresso-help-tab-lnk dashicons'.$icon.'"';
+        $link .= ' title="'.esc_attr__(
             'Click to open the \'Help\' tab for more information about this feature.',
             'event_espresso'
-        ) . '"';
-        $link .= ' > ' . $help_text . ' </a>';
+        ).'"';
+        $link .= ' > '.$help_text.' </a>';
         return $link;
     }
 
@@ -685,11 +685,11 @@ 
         $id    = $tour->get_slug();
         $stops = $tour->get_stops();
 
-        $content = '<ol style="display:none" id="' . $id . '">';
+        $content = '<ol style="display:none" id="'.$id.'">';
 
         foreach ($stops as $stop) {
-            $data_id    = ! empty($stop['id']) ? ' data-id="' . $stop['id'] . '"' : '';
-            $data_class = empty($data_id) && ! empty($stop['class']) ? ' data-class="' . $stop['class'] . '"' : '';
+            $data_id    = ! empty($stop['id']) ? ' data-id="'.$stop['id'].'"' : '';
+            $data_class = empty($data_id) && ! empty($stop['class']) ? ' data-class="'.$stop['class'].'"' : '';
 
             // if container is set to modal then let's make sure we set the options accordingly
             if (empty($data_id) && empty($data_class)) {
@@ -697,15 +697,15 @@ 
                 $stop['options']['expose'] = true;
             }
 
-            $custom_class  = ! empty($stop['custom_class']) ? ' class="' . $stop['custom_class'] . '"' : '';
-            $button_text   = ! empty($stop['button_text']) ? ' data-button="' . $stop['button_text'] . '"' : '';
+            $custom_class  = ! empty($stop['custom_class']) ? ' class="'.$stop['custom_class'].'"' : '';
+            $button_text   = ! empty($stop['button_text']) ? ' data-button="'.$stop['button_text'].'"' : '';
             $inner_content = isset($stop['content']) ? $stop['content'] : '';
 
             // options
             if (isset($stop['options']) && is_array($stop['options'])) {
                 $options = ' data-options="';
                 foreach ($stop['options'] as $option => $value) {
-                    $options .= $option . ':' . $value . ';';
+                    $options .= $option.':'.$value.';';
                 }
                 $options .= '"';
             } else {
@@ -745,7 +745,7 @@ 
      */
     public static function status_legend($status_array, $active_status = '')
     {
-        if (! is_array($status_array)) {
+        if ( ! is_array($status_array)) {
             throw new EE_Error(
                 esc_html__(
                     'The EEH_Template::status_legend helper required the incoming status_array argument to be an array!',
@@ -757,17 +757,17 @@ 
         $content = '
             <div class="ee-list-table-legend-container">
                 <h4 class="status-legend-title">
-                    ' . esc_html__('Status Legend', 'event_espresso') . '
+                    ' . esc_html__('Status Legend', 'event_espresso').'
                 </h4>
                 <dl class="ee-list-table-legend">';
 
         foreach ($status_array as $item => $status) {
             $active_class = $active_status == $status ? 'class="ee-is-active-status"' : '';
-            $content      .= '
-                    <dt id="' . esc_attr('ee-legend-item-tooltip-' . $item) . '" ' . $active_class . '>
-                        <span class="' . esc_attr('ee-status-legend ee-status-legend-' . $status) . '"></span>
+            $content .= '
+                    <dt id="' . esc_attr('ee-legend-item-tooltip-'.$item).'" '.$active_class.'>
+                        <span class="' . esc_attr('ee-status-legend ee-status-legend-'.$status).'"></span>
                         <span class="ee-legend-description">
-                            ' . EEH_Template::pretty_status($status, false, 'sentence') . '
+                            ' . EEH_Template::pretty_status($status, false, 'sentence').'
                         </span>
                     </dt>';
         }
@@ -913,8 +913,8 @@ 
             ];
         } else {
             $items_label = [
-                'single' => '1 ' . esc_html($items_label['single']),
-                'plural' => '%s ' . esc_html($items_label['plural']),
+                'single' => '1 '.esc_html($items_label['single']),
+                'plural' => '%s '.esc_html($items_label['plural']),
             ];
         }
 
@@ -926,7 +926,7 @@ 
 
         $item_label = $total_items > 1 ? sprintf($items_label['plural'], $total_items) : $items_label['single'];
 
-        $output = '<span class="displaying-num">' . $item_label . '</span>';
+        $output = '<span class="displaying-num">'.$item_label.'</span>';
 
         if ($current === 1) {
             $disable_first = ' disabled';
@@ -937,7 +937,7 @@ 
 
         $page_links[] = sprintf(
             "<a class='%s' title='%s' href='%s'>%s</a>",
-            'first-page' . $disable_first,
+            'first-page'.$disable_first,
             esc_attr__('Go to the first page', 'event_espresso'),
             esc_url_raw(remove_query_arg($paged_arg_name, $url)),
             '&laquo;'
@@ -945,13 +945,13 @@ 
 
         $page_links[] = sprintf(
             '<a class="%s" title="%s" href="%s">%s</a>',
-            'prev-page' . $disable_first,
+            'prev-page'.$disable_first,
             esc_attr__('Go to the previous page', 'event_espresso'),
             esc_url_raw(add_query_arg($paged_arg_name, max(1, $current - 1), $url)),
             '&lsaquo;'
         );
 
-        if (! $show_num_field) {
+        if ( ! $show_num_field) {
             $html_current_page = $current;
         } else {
             $html_current_page = sprintf(
@@ -966,7 +966,7 @@ 
             '<span class="total-pages">%s</span>',
             number_format_i18n($total_pages)
         );
-        $page_links[]     = sprintf(
+        $page_links[] = sprintf(
             _x('%3$s%1$s of %2$s%4$s', 'paging', 'event_espresso'),
             $html_current_page,
             $html_total_pages,
@@ -976,7 +976,7 @@ 
 
         $page_links[] = sprintf(
             '<a class="%s" title="%s" href="%s">%s</a>',
-            'next-page' . $disable_last,
+            'next-page'.$disable_last,
             esc_attr__('Go to the next page', 'event_espresso'),
             esc_url_raw(add_query_arg($paged_arg_name, min($total_pages, $current + 1), $url)),
             '&rsaquo;'
@@ -984,13 +984,13 @@ 
 
         $page_links[] = sprintf(
             '<a class="%s" title="%s" href="%s">%s</a>',
-            'last-page' . $disable_last,
+            'last-page'.$disable_last,
             esc_attr__('Go to the last page', 'event_espresso'),
             esc_url_raw(add_query_arg($paged_arg_name, $total_pages, $url)),
             '&raquo;'
         );
 
-        $output .= "\n" . '<span class="pagination-links">' . join("\n", $page_links) . '</span>';
+        $output .= "\n".'<span class="pagination-links">'.join("\n", $page_links).'</span>';
         // set page class
         if ($total_pages) {
             $page_class = $total_pages < 2 ? ' one-page' : '';
@@ -998,7 +998,7 @@ 
             $page_class = ' no-pages';
         }
 
-        return '<div class="tablenav"><div class="tablenav-pages' . $page_class . '">' . $output . '</div></div>';
+        return '<div class="tablenav"><div class="tablenav-pages'.$page_class.'">'.$output.'</div></div>';
     }
 
 
@@ -1037,7 +1037,7 @@ 
         );
         $powered_by = apply_filters(
             'FHEE__EEH_Template__powered_by_event_espresso_text',
-            $admin ? 'Event Espresso - ' . EVENT_ESPRESSO_VERSION : 'Event Espresso'
+            $admin ? 'Event Espresso - '.EVENT_ESPRESSO_VERSION : 'Event Espresso'
         );
         $url        = add_query_arg($query_args, 'https://eventespresso.com/');
         $url        = apply_filters('FHEE__EEH_Template__powered_by_event_espresso__url', $url);
@@ -1066,12 +1066,12 @@ 
      */
     public static function getScreenshotUrl($image_name)
     {
-        return esc_url_raw(EE_GLOBAL_ASSETS_URL . 'images/screenshots/' . $image_name . '.jpg');
+        return esc_url_raw(EE_GLOBAL_ASSETS_URL.'images/screenshots/'.$image_name.'.jpg');
     }
 }
 
 
-if (! function_exists('espresso_pagination')) {
+if ( ! function_exists('espresso_pagination')) {
     /**
      *    espresso_pagination
      *
@@ -1099,6 +1099,6 @@ 
                 'add_fragment' => '',
             ]
         );
-        echo ! empty($pagination) ? '<div class="ee-pagination-dv ee-clear-float">' . $pagination . '</div>' : '';
+        echo ! empty($pagination) ? '<div class="ee-pagination-dv ee-clear-float">'.$pagination.'</div>' : '';
     }
 }

core/helpers/EEH_Line_Item.helper.php

Indentation +2105 added lines, -2105 removed lines

@@ -23,2109 +23,2109 @@
  */
 class EEH_Line_Item
 {
-    /**
-     * @return CurrencyFormatter
-     * @since   $VID:$
-     */
-    private static function currencyFormatter()
-    {
-        static $currency_formatter;
-        if (! $currency_formatter instanceof CurrencyFormatter) {
-            $currency_formatter = LoaderFactory::getLoader()->getShared(CurrencyFormatter::class);
-        }
-        return $currency_formatter;
-    }
-
-    /**
-     * Adds a simple item (unrelated to any other model object) to the provided PARENT line item.
-     * Does NOT automatically re-calculate the line item totals or update the related transaction.
-     * You should call recalculate_total_including_taxes() on the grant total line item after this
-     * to update the subtotals, and EE_Registration_Processor::calculate_reg_final_prices_per_line_item()
-     * to keep the registration final prices in-sync with the transaction's total.
-     *
-     * @param EE_Line_Item $parent_line_item
-     * @param string       $name
-     * @param float        $unit_price
-     * @param string       $description
-     * @param int          $quantity
-     * @param boolean      $taxable
-     * @param boolean      $code if set to a value, ensures there is only one line item with that code
-     * @return boolean success
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public static function add_unrelated_item(
-        EE_Line_Item $parent_line_item,
-        $name,
-        $unit_price,
-        $description = '',
-        $quantity = 1,
-        $taxable = false,
-        $code = null
-    ) {
-        $items_subtotal = self::get_pre_tax_subtotal($parent_line_item);
-        $line_item      = EE_Line_Item::new_instance(
-            [
-                'LIN_name'       => $name,
-                'LIN_desc'       => $description,
-                'LIN_unit_price' => $unit_price,
-                'LIN_quantity'   => $quantity,
-                'LIN_percent'    => null,
-                'LIN_is_taxable' => $taxable,
-                'LIN_order'      => $items_subtotal instanceof EE_Line_Item ? count($items_subtotal->children()) : 0,
-                'LIN_total'      => EEH_Line_Item::currencyFormatter()->roundForLocale(
-                    (float) $unit_price * (int) $quantity
-                ),
-                'LIN_type'       => EEM_Line_Item::type_line_item,
-                'LIN_code'       => $code,
-            ]
-        );
-        $line_item      = apply_filters(
-            'FHEE__EEH_Line_Item__add_unrelated_item__line_item',
-            $line_item,
-            $parent_line_item
-        );
-        return self::add_item($parent_line_item, $line_item);
-    }
-
-
-    /**
-     * Adds a simple item ( unrelated to any other model object) to the total line item,
-     * in the correct spot in the line item tree. Does not automatically
-     * re-calculate the line item totals, nor update the related transaction, nor upgrade the transaction's
-     * registrations' final prices (which should probably change because of this).
-     * You should call recalculate_total_including_taxes() on the grand total line item, then
-     * update the transaction's total, and EE_Registration_Processor::update_registration_final_prices()
-     * after using this, to keep the registration final prices in-sync with the transaction's total.
-     *
-     * @param EE_Line_Item $parent_line_item
-     * @param string       $name
-     * @param float        $percentage_amount
-     * @param string       $description
-     * @param boolean      $taxable
-     * @return boolean success
-     * @throws EE_Error|ReflectionException
-     */
-    public static function add_percentage_based_item(
-        EE_Line_Item $parent_line_item,
-        $name,
-        $percentage_amount,
-        $description = '',
-        $taxable = false
-    ) {
-        $line_item = EE_Line_Item::new_instance(
-            [
-                'LIN_name'       => $name,
-                'LIN_desc'       => $description,
-                'LIN_unit_price' => 0,
-                'LIN_percent'    => $percentage_amount,
-                'LIN_quantity'   => 1,
-                'LIN_is_taxable' => $taxable,
-                'LIN_total'      => EEH_Line_Item::currencyFormatter()->roundForLocale(
-                    $percentage_amount * $parent_line_item->total() / 100
-                ),
-                'LIN_type'       => EEM_Line_Item::type_line_item,
-                'LIN_parent'     => $parent_line_item->ID(),
-            ]
-        );
-        $line_item = apply_filters(
-            'FHEE__EEH_Line_Item__add_percentage_based_item__line_item',
-            $line_item
-        );
-        return $parent_line_item->add_child_line_item($line_item, false);
-    }
-
-
-    /**
-     * Returns the new line item created by adding a purchase of the ticket
-     * ensures that ticket line item is saved, and that cart total has been recalculated.
-     * If this ticket has already been purchased, just increments its count.
-     * Automatically re-calculates the line item totals and updates the related transaction. But
-     * DOES NOT automatically upgrade the transaction's registrations' final prices (which
-     * should probably change because of this).
-     * You should call EE_Registration_Processor::calculate_reg_final_prices_per_line_item()
-     * after using this, to keep the registration final prices in-sync with the transaction's total.
-     *
-     * @param EE_Line_Item $total_line_item grand total line item of type EEM_Line_Item::type_total
-     * @param EE_Ticket    $ticket
-     * @param int          $qty
-     * @return EE_Line_Item
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public static function add_ticket_purchase(EE_Line_Item $total_line_item, EE_Ticket $ticket, $qty = 1)
-    {
-        if (! $total_line_item instanceof EE_Line_Item || ! $total_line_item->is_total()) {
-            throw new EE_Error(
-                sprintf(
-                    esc_html__(
-                        'A valid line item total is required in order to add tickets. A line item of type "%s" was passed.',
-                        'event_espresso'
-                    ),
-                    $ticket->ID(),
-                    $total_line_item->ID()
-                )
-            );
-        }
-        // either increment the qty for an existing ticket
-        $line_item = self::increment_ticket_qty_if_already_in_cart($total_line_item, $ticket, $qty);
-        // or add a new one
-        if (! $line_item instanceof EE_Line_Item) {
-            $line_item = self::create_ticket_line_item($total_line_item, $ticket, $qty);
-        }
-        $total_line_item->recalculate_total_including_taxes();
-        return $line_item;
-    }
-
-
-    /**
-     * Returns the new line item created by adding a purchase of the ticket
-     *
-     * @param EE_Line_Item $total_line_item
-     * @param EE_Ticket    $ticket
-     * @param int          $qty
-     * @return EE_Line_Item
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public static function increment_ticket_qty_if_already_in_cart(
-        EE_Line_Item $total_line_item,
-        EE_Ticket $ticket,
-        $qty = 1
-    ) {
-        $line_item = null;
-        if ($total_line_item instanceof EE_Line_Item && $total_line_item->is_total()) {
-            $ticket_line_items = EEH_Line_Item::get_ticket_line_items($total_line_item);
-            foreach ((array) $ticket_line_items as $ticket_line_item) {
-                if (
-                    $ticket_line_item instanceof EE_Line_Item
-                    && (int) $ticket_line_item->OBJ_ID() === (int) $ticket->ID()
-                ) {
-                    $line_item = $ticket_line_item;
-                    break;
-                }
-            }
-        }
-        if ($line_item instanceof EE_Line_Item) {
-            EEH_Line_Item::increment_quantity($line_item, $qty);
-            return $line_item;
-        }
-        return null;
-    }
-
-
-    /**
-     * Increments the line item and all its children's quantity by $qty (but percent line items are unaffected).
-     * Does NOT save or recalculate other line items totals
-     *
-     * @param EE_Line_Item $line_item
-     * @param int          $qty
-     * @return void
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public static function increment_quantity(EE_Line_Item $line_item, $qty = 1)
-    {
-        if (! $line_item->is_percent()) {
-            $qty += $line_item->quantity();
-            $line_item->set_quantity($qty);
-            $line_item->set_total($line_item->unit_price() * $qty);
-            $line_item->save();
-        }
-        foreach ($line_item->children() as $child) {
-            if ($child->is_sub_line_item()) {
-                EEH_Line_Item::update_quantity($child, $qty);
-            }
-        }
-    }
-
-
-    /**
-     * Decrements the line item and all its children's quantity by $qty (but percent line items are unaffected).
-     * Does NOT save or recalculate other line items totals
-     *
-     * @param EE_Line_Item $line_item
-     * @param int          $qty
-     * @return void
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public static function decrement_quantity(EE_Line_Item $line_item, $qty = 1)
-    {
-        if (! $line_item->is_percent()) {
-            $qty = $line_item->quantity() - $qty;
-            $qty = max($qty, 0);
-            $line_item->set_quantity($qty);
-            $line_item->set_total($line_item->unit_price() * $qty);
-            $line_item->save();
-        }
-        foreach ($line_item->children() as $child) {
-            if ($child->is_sub_line_item()) {
-                EEH_Line_Item::update_quantity($child, $qty);
-            }
-        }
-    }
-
-
-    /**
-     * Updates the line item and its children's quantities to the specified number.
-     * Does NOT save them or recalculate totals.
-     *
-     * @param EE_Line_Item $line_item
-     * @param int          $new_quantity
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public static function update_quantity(EE_Line_Item $line_item, $new_quantity)
-    {
-        if (! $line_item->is_percent()) {
-            $line_item->set_quantity($new_quantity);
-            $line_item->set_total($line_item->unit_price() * $new_quantity);
-            $line_item->save();
-        }
-        foreach ($line_item->children() as $child) {
-            if ($child->is_sub_line_item()) {
-                EEH_Line_Item::update_quantity($child, $new_quantity);
-            }
-        }
-    }
-
-
-    /**
-     * Returns the new line item created by adding a purchase of the ticket
-     *
-     * @param EE_Line_Item $total_line_item of type EEM_Line_Item::type_total
-     * @param EE_Ticket    $ticket
-     * @param int          $qty
-     * @return EE_Line_Item
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public static function create_ticket_line_item(EE_Line_Item $total_line_item, EE_Ticket $ticket, $qty = 1)
-    {
-        $datetimes           = $ticket->datetimes();
-        $first_datetime      = reset($datetimes);
-        $first_datetime_name = esc_html__('Event', 'event_espresso');
-        if ($first_datetime instanceof EE_Datetime && $first_datetime->event() instanceof EE_Event) {
-            $first_datetime_name = $first_datetime->event()->name();
-        }
-        $event = sprintf(_x('(For %1$s)', '(For Event Name)', 'event_espresso'), $first_datetime_name);
-        // get event subtotal line
-        $events_sub_total = self::get_event_line_item_for_ticket($total_line_item, $ticket);
-        // add $ticket to cart
-        $line_item = EE_Line_Item::new_instance(
-            [
-                'LIN_name'       => $ticket->name(),
-                'LIN_desc'       => $ticket->description() !== '' ? $ticket->description() . ' ' . $event : $event,
-                'LIN_unit_price' => $ticket->price(),
-                'LIN_quantity'   => $qty,
-                'LIN_is_taxable' => $ticket->taxable(),
-                'LIN_order'      => count($events_sub_total->children()),
-                'LIN_total'      => $ticket->price() * $qty,
-                'LIN_type'       => EEM_Line_Item::type_line_item,
-                'OBJ_ID'         => $ticket->ID(),
-                'OBJ_type'       => EEM_Line_Item::OBJ_TYPE_TICKET,
-            ]
-        );
-        $line_item = apply_filters(
-            'FHEE__EEH_Line_Item__create_ticket_line_item__line_item',
-            $line_item
-        );
-        $events_sub_total->add_child_line_item($line_item);
-        // now add the sub-line items
-        $running_total_for_ticket = 0;
-        foreach ($ticket->prices(['order_by' => ['PRC_order' => 'ASC']]) as $price) {
-            $sign          = $price->is_discount() ? -1 : 1;
-            $price_total   = $price->is_percent()
-                ? $sign * $running_total_for_ticket * $price->amount() / 100
-                : $sign * $price->amount() * $qty;
-            $price_total = EEH_Line_Item::currencyFormatter()->roundForLocale($price_total);
-            $sub_line_item = EE_Line_Item::new_instance(
-                [
-                    'LIN_name'       => $price->name(),
-                    'LIN_desc'       => $price->desc(),
-                    'LIN_quantity'   => $price->is_percent() ? null : $qty,
-                    'LIN_is_taxable' => false,
-                    'LIN_order'      => $price->order(),
-                    'LIN_total'      => $price_total,
-                    'LIN_type'       => EEM_Line_Item::type_sub_line_item,
-                    'OBJ_ID'         => $price->ID(),
-                    'OBJ_type'       => EEM_Line_Item::OBJ_TYPE_PRICE,
-                ]
-            );
-            /** @var EE_Line_Item $sub_line_item */
-            $sub_line_item = apply_filters(
-                'FHEE__EEH_Line_Item__create_ticket_line_item__sub_line_item',
-                $sub_line_item
-            );
-            if ($price->is_percent()) {
-                $sub_line_item->set_percent($sign * $price->amount());
-            } else {
-                $sub_line_item->set_unit_price($sign * $price->amount());
-            }
-            $running_total_for_ticket += $price_total;
-            $line_item->add_child_line_item($sub_line_item);
-        }
-        return $line_item;
-    }
-
-
-    /**
-     * Adds the specified item under the pre-tax-sub-total line item. Automatically
-     * re-calculates the line item totals and updates the related transaction. But
-     * DOES NOT automatically upgrade the transaction's registrations' final prices (which
-     * should probably change because of this).
-     * You should call EE_Registration_Processor::calculate_reg_final_prices_per_line_item()
-     * after using this, to keep the registration final prices in-sync with the transaction's total.
-     *
-     * @param EE_Line_Item $total_line_item
-     * @param EE_Line_Item $item to be added
-     * @return boolean
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public static function add_item(EE_Line_Item $total_line_item, EE_Line_Item $item)
-    {
-        $pre_tax_subtotal = self::get_pre_tax_subtotal($total_line_item);
-        if ($pre_tax_subtotal instanceof EE_Line_Item) {
-            $success = $pre_tax_subtotal->add_child_line_item($item);
-        } else {
-            return false;
-        }
-        $total_line_item->recalculate_total_including_taxes();
-        return $success;
-    }
-
-
-    /**
-     * cancels an existing ticket line item,
-     * by decrementing it's quantity by 1 and adding a new "type_cancellation" sub-line-item.
-     * ALL totals and subtotals will NEED TO BE UPDATED after performing this action
-     *
-     * @param EE_Line_Item $ticket_line_item
-     * @param int          $qty
-     * @return bool success
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public static function cancel_ticket_line_item(EE_Line_Item $ticket_line_item, $qty = 1)
-    {
-        // validate incoming line_item
-        if ($ticket_line_item->OBJ_type() !== EEM_Line_Item::OBJ_TYPE_TICKET) {
-            throw new EE_Error(
-                sprintf(
-                    esc_html__(
-                        'The supplied line item must have an Object Type of "Ticket", not %1$s.',
-                        'event_espresso'
-                    ),
-                    $ticket_line_item->type()
-                )
-            );
-        }
-        if ($ticket_line_item->quantity() < $qty) {
-            throw new EE_Error(
-                sprintf(
-                    esc_html__(
-                        'Can not cancel %1$d ticket(s) because the supplied line item has a quantity of %2$d.',
-                        'event_espresso'
-                    ),
-                    $qty,
-                    $ticket_line_item->quantity()
-                )
-            );
-        }
-        // decrement ticket quantity; don't rely on auto-fixing when recalculating totals to do this
-        $ticket_line_item->set_quantity($ticket_line_item->quantity() - $qty);
-        foreach ($ticket_line_item->children() as $child_line_item) {
-            if (
-                $child_line_item->is_sub_line_item()
-                && ! $child_line_item->is_percent()
-                && ! $child_line_item->is_cancellation()
-            ) {
-                $child_line_item->set_quantity($child_line_item->quantity() - $qty);
-            }
-        }
-        // get cancellation sub line item
-        $cancellation_line_item = EEH_Line_Item::get_descendants_of_type(
-            $ticket_line_item,
-            EEM_Line_Item::type_cancellation
-        );
-        $cancellation_line_item = reset($cancellation_line_item);
-        // verify that this ticket was indeed previously cancelled
-        if ($cancellation_line_item instanceof EE_Line_Item) {
-            // increment cancelled quantity
-            $cancellation_line_item->set_quantity($cancellation_line_item->quantity() + $qty);
-        } else {
-            // create cancellation sub line item
-            $cancellation_line_item = EE_Line_Item::new_instance(
-                [
-                    'LIN_name'       => esc_html__('Cancellation', 'event_espresso'),
-                    'LIN_desc'       => sprintf(
-                        esc_html_x(
-                            'Cancelled %1$s : %2$s',
-                            'Cancelled Ticket Name : 2015-01-01 11:11',
-                            'event_espresso'
-                        ),
-                        $ticket_line_item->name(),
-                        current_time(get_option('date_format') . ' ' . get_option('time_format'))
-                    ),
-                    'LIN_unit_price' => 0, // $ticket_line_item->unit_price()
-                    'LIN_quantity'   => $qty,
-                    'LIN_is_taxable' => $ticket_line_item->is_taxable(),
-                    'LIN_order'      => count($ticket_line_item->children()),
-                    'LIN_total'      => 0, // $ticket_line_item->unit_price()
-                    'LIN_type'       => EEM_Line_Item::type_cancellation,
-                ]
-            );
-            $ticket_line_item->add_child_line_item($cancellation_line_item);
-        }
-        if ($ticket_line_item->save_this_and_descendants() > 0) {
-            // decrement parent line item quantity
-            $event_line_item = $ticket_line_item->parent();
-            if (
-                $event_line_item instanceof EE_Line_Item
-                && $event_line_item->OBJ_type() === EEM_Line_Item::OBJ_TYPE_EVENT
-            ) {
-                $event_line_item->set_quantity($event_line_item->quantity() - $qty);
-                $event_line_item->save();
-            }
-            EEH_Line_Item::get_grand_total_and_recalculate_everything($ticket_line_item);
-            return true;
-        }
-        return false;
-    }
-
-
-    /**
-     * reinstates (un-cancels?) a previously canceled ticket line item,
-     * by incrementing it's quantity by 1, and decrementing it's "type_cancellation" sub-line-item.
-     * ALL totals and subtotals will NEED TO BE UPDATED after performing this action
-     *
-     * @param EE_Line_Item $ticket_line_item
-     * @param int          $qty
-     * @return bool success
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public static function reinstate_canceled_ticket_line_item(EE_Line_Item $ticket_line_item, $qty = 1)
-    {
-        // validate incoming line_item
-        if ($ticket_line_item->OBJ_type() !== EEM_Line_Item::OBJ_TYPE_TICKET) {
-            throw new EE_Error(
-                sprintf(
-                    esc_html__(
-                        'The supplied line item must have an Object Type of "Ticket", not %1$s.',
-                        'event_espresso'
-                    ),
-                    $ticket_line_item->type()
-                )
-            );
-        }
-        // get cancellation sub line item
-        $cancellation_line_item = EEH_Line_Item::get_descendants_of_type(
-            $ticket_line_item,
-            EEM_Line_Item::type_cancellation
-        );
-        $cancellation_line_item = reset($cancellation_line_item);
-        // verify that this ticket was indeed previously cancelled
-        if (! $cancellation_line_item instanceof EE_Line_Item) {
-            return false;
-        }
-        if ($cancellation_line_item->quantity() > $qty) {
-            // decrement cancelled quantity
-            $cancellation_line_item->set_quantity($cancellation_line_item->quantity() - $qty);
-        } elseif ($cancellation_line_item->quantity() === $qty) {
-            // decrement cancelled quantity in case anyone still has the object kicking around
-            $cancellation_line_item->set_quantity($cancellation_line_item->quantity() - $qty);
-            // delete because quantity will end up as 0
-            $cancellation_line_item->delete();
-            // and attempt to destroy the object,
-            // even though PHP won't actually destroy it until it needs the memory
-            unset($cancellation_line_item);
-        } else {
-            // what ?!?! negative quantity ?!?!
-            throw new EE_Error(
-                sprintf(
-                    esc_html__(
-                        'Can not reinstate %1$d cancelled ticket(s) because the cancelled ticket quantity is only %2$d.',
-                        'event_espresso'
-                    ),
-                    $qty,
-                    $cancellation_line_item->quantity()
-                )
-            );
-        }
-        // increment ticket quantity
-        $ticket_line_item->set_quantity($ticket_line_item->quantity() + $qty);
-        if ($ticket_line_item->save_this_and_descendants() > 0) {
-            // increment parent line item quantity
-            $event_line_item = $ticket_line_item->parent();
-            if (
-                $event_line_item instanceof EE_Line_Item
-                && $event_line_item->OBJ_type() === EEM_Line_Item::OBJ_TYPE_EVENT
-            ) {
-                $event_line_item->set_quantity($event_line_item->quantity() + $qty);
-            }
-            EEH_Line_Item::get_grand_total_and_recalculate_everything($ticket_line_item);
-            return true;
-        }
-        return false;
-    }
-
-
-    /**
-     * calls EEH_Line_Item::find_transaction_grand_total_for_line_item()
-     * then EE_Line_Item::recalculate_total_including_taxes() on the result
-     *
-     * @param EE_Line_Item $line_item
-     * @return float
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public static function get_grand_total_and_recalculate_everything(EE_Line_Item $line_item)
-    {
-        $grand_total_line_item = EEH_Line_Item::find_transaction_grand_total_for_line_item($line_item);
-        return $grand_total_line_item->recalculate_total_including_taxes();
-    }
-
-
-    /**
-     * Gets the line item which contains the subtotal of all the items
-     *
-     * @param EE_Line_Item $total_line_item of type EEM_Line_Item::type_total
-     * @return EE_Line_Item
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public static function get_pre_tax_subtotal(EE_Line_Item $total_line_item)
-    {
-        $pre_tax_subtotal = $total_line_item->get_child_line_item('pre-tax-subtotal');
-        return $pre_tax_subtotal instanceof EE_Line_Item
-            ? $pre_tax_subtotal
-            : self::create_pre_tax_subtotal($total_line_item);
-    }
-
-
-    /**
-     * Gets the line item for the taxes subtotal
-     *
-     * @param EE_Line_Item $total_line_item of type EEM_Line_Item::type_total
-     * @return EE_Line_Item
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public static function get_taxes_subtotal(EE_Line_Item $total_line_item)
-    {
-        $taxes = $total_line_item->get_child_line_item('taxes');
-        return $taxes ? $taxes : self::create_taxes_subtotal($total_line_item);
-    }
-
-
-    /**
-     * sets the TXN ID on an EE_Line_Item if passed a valid EE_Transaction object
-     *
-     * @param EE_Line_Item   $line_item
-     * @param EE_Transaction $transaction
-     * @return void
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public static function set_TXN_ID(EE_Line_Item $line_item, $transaction = null)
-    {
-        if ($transaction) {
-            /** @type EEM_Transaction $EEM_Transaction */
-            $EEM_Transaction = EE_Registry::instance()->load_model('Transaction');
-            $TXN_ID          = $EEM_Transaction->ensure_is_ID($transaction);
-            $line_item->set_TXN_ID($TXN_ID);
-        }
-    }
-
-
-    /**
-     * Creates a new default total line item for the transaction,
-     * and its tickets subtotal and taxes subtotal line items (and adds the
-     * existing taxes as children of the taxes subtotal line item)
-     *
-     * @param EE_Transaction $transaction
-     * @return EE_Line_Item of type total
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public static function create_total_line_item($transaction = null)
-    {
-        $total_line_item = EE_Line_Item::new_instance(
-            [
-                'LIN_code' => 'total',
-                'LIN_name' => esc_html__('Grand Total', 'event_espresso'),
-                'LIN_type' => EEM_Line_Item::type_total,
-                'OBJ_type' => EEM_Line_Item::OBJ_TYPE_TRANSACTION,
-            ]
-        );
-        $total_line_item = apply_filters(
-            'FHEE__EEH_Line_Item__create_total_line_item__total_line_item',
-            $total_line_item
-        );
-        self::set_TXN_ID($total_line_item, $transaction);
-        self::create_pre_tax_subtotal($total_line_item, $transaction);
-        self::create_taxes_subtotal($total_line_item, $transaction);
-        return $total_line_item;
-    }
-
-
-    /**
-     * Creates a default items subtotal line item
-     *
-     * @param EE_Line_Item   $total_line_item
-     * @param EE_Transaction $transaction
-     * @return EE_Line_Item
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    protected static function create_pre_tax_subtotal(EE_Line_Item $total_line_item, $transaction = null)
-    {
-        $pre_tax_line_item = EE_Line_Item::new_instance(
-            [
-                'LIN_code' => 'pre-tax-subtotal',
-                'LIN_name' => esc_html__('Pre-Tax Subtotal', 'event_espresso'),
-                'LIN_type' => EEM_Line_Item::type_sub_total,
-            ]
-        );
-        $pre_tax_line_item = apply_filters(
-            'FHEE__EEH_Line_Item__create_pre_tax_subtotal__pre_tax_line_item',
-            $pre_tax_line_item
-        );
-        self::set_TXN_ID($pre_tax_line_item, $transaction);
-        $total_line_item->add_child_line_item($pre_tax_line_item);
-        self::create_event_subtotal($pre_tax_line_item, $transaction);
-        return $pre_tax_line_item;
-    }
-
-
-    /**
-     * Creates a line item for the taxes subtotal and finds all the tax prices
-     * and applies taxes to it
-     *
-     * @param EE_Line_Item   $total_line_item of type EEM_Line_Item::type_total
-     * @param EE_Transaction $transaction
-     * @return EE_Line_Item
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    protected static function create_taxes_subtotal(EE_Line_Item $total_line_item, $transaction = null)
-    {
-        $tax_line_item = EE_Line_Item::new_instance(
-            [
-                'LIN_code'  => 'taxes',
-                'LIN_name'  => esc_html__('Taxes', 'event_espresso'),
-                'LIN_type'  => EEM_Line_Item::type_tax_sub_total,
-                'LIN_order' => 1000,// this should always come last
-            ]
-        );
-        $tax_line_item = apply_filters(
-            'FHEE__EEH_Line_Item__create_taxes_subtotal__tax_line_item',
-            $tax_line_item
-        );
-        self::set_TXN_ID($tax_line_item, $transaction);
-        $total_line_item->add_child_line_item($tax_line_item);
-        // and lastly, add the actual taxes
-        self::apply_taxes($total_line_item);
-        return $tax_line_item;
-    }
-
-
-    /**
-     * Creates a default items subtotal line item
-     *
-     * @param EE_Line_Item   $pre_tax_line_item
-     * @param EE_Transaction $transaction
-     * @param EE_Event       $event
-     * @return EE_Line_Item
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public static function create_event_subtotal(EE_Line_Item $pre_tax_line_item, $transaction = null, $event = null)
-    {
-        $event_line_item = EE_Line_Item::new_instance(
-            [
-                'LIN_code' => self::get_event_code($event),
-                'LIN_name' => self::get_event_name($event),
-                'LIN_desc' => self::get_event_desc($event),
-                'LIN_type' => EEM_Line_Item::type_sub_total,
-                'OBJ_type' => EEM_Line_Item::OBJ_TYPE_EVENT,
-                'OBJ_ID'   => $event instanceof EE_Event ? $event->ID() : 0,
-            ]
-        );
-        $event_line_item = apply_filters(
-            'FHEE__EEH_Line_Item__create_event_subtotal__event_line_item',
-            $event_line_item
-        );
-        self::set_TXN_ID($event_line_item, $transaction);
-        $pre_tax_line_item->add_child_line_item($event_line_item);
-        return $event_line_item;
-    }
-
-
-    /**
-     * Gets what the event ticket's code SHOULD be
-     *
-     * @param EE_Event $event
-     * @return string
-     * @throws EE_Error|ReflectionException
-     */
-    public static function get_event_code($event)
-    {
-        return 'event-' . ($event instanceof EE_Event ? $event->ID() : '0');
-    }
-
-
-    /**
-     * Gets the event name
-     *
-     * @param EE_Event $event
-     * @return string
-     * @throws EE_Error
-     */
-    public static function get_event_name($event)
-    {
-        return $event instanceof EE_Event
-            ? mb_substr($event->name(), 0, 245)
-            : esc_html__('Event', 'event_espresso');
-    }
-
-
-    /**
-     * Gets the event excerpt
-     *
-     * @param EE_Event $event
-     * @return string
-     * @throws EE_Error
-     */
-    public static function get_event_desc($event)
-    {
-        return $event instanceof EE_Event ? $event->short_description() : '';
-    }
-
-
-    /**
-     * Given the grand total line item and a ticket, finds the event sub-total
-     * line item the ticket's purchase should be added onto
-     *
-     * @access public
-     * @param EE_Line_Item $grand_total the grand total line item
-     * @param EE_Ticket    $ticket
-     * @return EE_Line_Item
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public static function get_event_line_item_for_ticket(EE_Line_Item $grand_total, EE_Ticket $ticket)
-    {
-        $first_datetime = $ticket->first_datetime();
-        if (! $first_datetime instanceof EE_Datetime) {
-            throw new EE_Error(
-                sprintf(
-                    esc_html__('The supplied ticket (ID %d) has no datetimes', 'event_espresso'),
-                    $ticket->ID()
-                )
-            );
-        }
-        $event = $first_datetime->event();
-        if (! $event instanceof EE_Event) {
-            throw new EE_Error(
-                sprintf(
-                    esc_html__(
-                        'The supplied ticket (ID %d) has no event data associated with it.',
-                        'event_espresso'
-                    ),
-                    $ticket->ID()
-                )
-            );
-        }
-        $events_sub_total = EEH_Line_Item::get_event_line_item($grand_total, $event);
-        if (! $events_sub_total instanceof EE_Line_Item) {
-            throw new EE_Error(
-                sprintf(
-                    esc_html__(
-                        'There is no events sub-total for ticket %s on total line item %d',
-                        'event_espresso'
-                    ),
-                    $ticket->ID(),
-                    $grand_total->ID()
-                )
-            );
-        }
-        return $events_sub_total;
-    }
-
-
-    /**
-     * Gets the event line item
-     *
-     * @param EE_Line_Item $grand_total
-     * @param EE_Event     $event
-     * @return EE_Line_Item for the event subtotal which is a child of $grand_total
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public static function get_event_line_item(EE_Line_Item $grand_total, $event)
-    {
-        /** @type EE_Event $event */
-        $event           = EEM_Event::instance()->ensure_is_obj($event, true);
-        $event_line_item = null;
-        $found           = false;
-        foreach (EEH_Line_Item::get_event_subtotals($grand_total) as $event_line_item) {
-            // default event subtotal, we should only ever find this the first time this method is called
-            if (! $event_line_item->OBJ_ID()) {
-                // let's use this! but first... set the event details
-                EEH_Line_Item::set_event_subtotal_details($event_line_item, $event);
-                $found = true;
-                break;
-            }
-            if ($event_line_item->OBJ_ID() === $event->ID()) {
-                // found existing line item for this event in the cart, so break out of loop and use this one
-                $found = true;
-                break;
-            }
-        }
-        if (! $found) {
-            // there is no event sub-total yet, so add it
-            $pre_tax_subtotal = EEH_Line_Item::get_pre_tax_subtotal($grand_total);
-            // create a new "event" subtotal below that
-            $event_line_item = EEH_Line_Item::create_event_subtotal($pre_tax_subtotal, null, $event);
-            // and set the event details
-            EEH_Line_Item::set_event_subtotal_details($event_line_item, $event);
-        }
-        return $event_line_item;
-    }
-
-
-    /**
-     * Creates a default items subtotal line item
-     *
-     * @param EE_Line_Item   $event_line_item
-     * @param EE_Event       $event
-     * @param EE_Transaction $transaction
-     * @return void
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public static function set_event_subtotal_details(
-        EE_Line_Item $event_line_item,
-        EE_Event $event,
-        $transaction = null
-    ) {
-        if ($event instanceof EE_Event) {
-            $event_line_item->set_code(self::get_event_code($event));
-            $event_line_item->set_name(self::get_event_name($event));
-            $event_line_item->set_desc(self::get_event_desc($event));
-            $event_line_item->set_OBJ_ID($event->ID());
-        }
-        self::set_TXN_ID($event_line_item, $transaction);
-    }
-
-
-    /**
-     * Finds what taxes should apply, adds them as tax line items under the taxes sub-total,
-     * and recalculates the taxes sub-total and the grand total. Resets the taxes, so
-     * any old taxes are removed
-     *
-     * @param EE_Line_Item $total_line_item of type EEM_Line_Item::type_total
-     * @param bool         $update_txn_status
-     * @return bool
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     * @throws RuntimeException
-     */
-    public static function apply_taxes(EE_Line_Item $total_line_item, $update_txn_status = false)
-    {
-        /** @type EEM_Price $EEM_Price */
-        $EEM_Price = EE_Registry::instance()->load_model('Price');
-        // get array of taxes via Price Model
-        $ordered_taxes = $EEM_Price->get_all_prices_that_are_taxes();
-        ksort($ordered_taxes);
-        $taxes_line_item = self::get_taxes_subtotal($total_line_item);
-        // just to be safe, remove its old tax line items
-        $deleted = $taxes_line_item->delete_children_line_items();
-        $updates = false;
-        // loop thru taxes
-        foreach ($ordered_taxes as $order => $taxes) {
-            foreach ($taxes as $tax) {
-                if ($tax instanceof EE_Price) {
-                    $tax_line_item = EE_Line_Item::new_instance(
-                        [
-                            'LIN_name'       => $tax->name(),
-                            'LIN_desc'       => $tax->desc(),
-                            'LIN_percent'    => $tax->amount(),
-                            'LIN_is_taxable' => false,
-                            'LIN_order'      => $order,
-                            'LIN_total'      => 0,
-                            'LIN_type'       => EEM_Line_Item::type_tax,
-                            'OBJ_type'       => EEM_Line_Item::OBJ_TYPE_PRICE,
-                            'OBJ_ID'         => $tax->ID(),
-                        ]
-                    );
-                    $tax_line_item = apply_filters(
-                        'FHEE__EEH_Line_Item__apply_taxes__tax_line_item',
-                        $tax_line_item
-                    );
-                    $updates       = $taxes_line_item->add_child_line_item($tax_line_item)
-                        ?
-                        true
-                        :
-                        $updates;
-                }
-            }
-        }
-        // only recalculate totals if something changed
-        if ($deleted || $updates) {
-            $total_line_item->recalculate_total_including_taxes($update_txn_status);
-            return true;
-        }
-        return false;
-    }
-
-
-    /**
-     * Ensures that taxes have been applied to the order, if not applies them.
-     * Returns the total amount of tax
-     *
-     * @param EE_Line_Item $total_line_item of type EEM_Line_Item::type_total
-     * @return float
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public static function ensure_taxes_applied($total_line_item)
-    {
-        $taxes_subtotal = self::get_taxes_subtotal($total_line_item);
-        if (! $taxes_subtotal->children()) {
-            self::apply_taxes($total_line_item);
-        }
-        return $taxes_subtotal->total();
-    }
-
-
-    /**
-     * Deletes ALL children of the passed line item
-     *
-     * @param EE_Line_Item $parent_line_item
-     * @return bool
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public static function delete_all_child_items(EE_Line_Item $parent_line_item)
-    {
-        $deleted = 0;
-        foreach ($parent_line_item->children() as $child_line_item) {
-            if ($child_line_item instanceof EE_Line_Item) {
-                $deleted += EEH_Line_Item::delete_all_child_items($child_line_item);
-                if ($child_line_item->ID()) {
-                    $child_line_item->delete();
-                    unset($child_line_item);
-                } else {
-                    $parent_line_item->delete_child_line_item($child_line_item->code());
-                }
-                $deleted++;
-            }
-        }
-        return $deleted;
-    }
-
-
-    /**
-     * Deletes the line items as indicated by the line item code(s) provided,
-     * regardless of where they're found in the line item tree. Automatically
-     * re-calculates the line item totals and updates the related transaction. But
-     * DOES NOT automatically upgrade the transaction's registrations' final prices (which
-     * should probably change because of this).
-     * You should call EE_Registration_Processor::calculate_reg_final_prices_per_line_item()
-     * after using this, to keep the registration final prices in-sync with the transaction's total.
-     *
-     * @param EE_Line_Item      $total_line_item of type EEM_Line_Item::type_total
-     * @param array|bool|string $line_item_codes
-     * @return int number of items successfully removed
-     * @throws EE_Error|ReflectionException
-     */
-    public static function delete_items(EE_Line_Item $total_line_item, $line_item_codes = false)
-    {
-        if ($total_line_item->type() !== EEM_Line_Item::type_total) {
-            EE_Error::doing_it_wrong(
-                'EEH_Line_Item::delete_items',
-                esc_html__(
-                    'This static method should only be called with a TOTAL line item, otherwise we won\'t recalculate the totals correctly',
-                    'event_espresso'
-                ),
-                '4.6.18'
-            );
-        }
-        do_action('AHEE_log', __FILE__, __FUNCTION__, '');
-
-        // check if only a single line_item_id was passed
-        if (! empty($line_item_codes) && ! is_array($line_item_codes)) {
-            // place single line_item_id in an array to appear as multiple line_item_ids
-            $line_item_codes = [$line_item_codes];
-        }
-        $removals = 0;
-        // cycle thru line_item_ids
-        foreach ($line_item_codes as $line_item_id) {
-            $removals += $total_line_item->delete_child_line_item($line_item_id);
-        }
-
-        if ($removals > 0) {
-            $total_line_item->recalculate_taxes_and_tax_total();
-            return $removals;
-        } else {
-            return false;
-        }
-    }
-
-
-    /**
-     * Overwrites the previous tax by clearing out the old taxes, and creates a new
-     * tax and updates the total line item accordingly
-     *
-     * @param EE_Line_Item $total_line_item
-     * @param float        $amount
-     * @param string       $name
-     * @param string       $description
-     * @param string       $code
-     * @param boolean      $add_to_existing_line_item
-     *                          if true, and a duplicate line item with the same code is found,
-     *                          $amount will be added onto it; otherwise will simply set the taxes to match $amount
-     * @return EE_Line_Item the new tax line item created
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public static function set_total_tax_to(
-        EE_Line_Item $total_line_item,
-        $amount,
-        $name = null,
-        $description = null,
-        $code = null,
-        $add_to_existing_line_item = false
-    ) {
-        $tax_subtotal  = self::get_taxes_subtotal($total_line_item);
-        $taxable_total = $total_line_item->taxable_total();
-
-        if ($add_to_existing_line_item) {
-            $new_tax = $tax_subtotal->get_child_line_item($code);
-            EEM_Line_Item::instance()->delete(
-                [['LIN_code' => ['!=', $code], 'LIN_parent' => $tax_subtotal->ID()]]
-            );
-        } else {
-            $new_tax = null;
-            $tax_subtotal->delete_children_line_items();
-        }
-        if ($new_tax) {
-            $new_tax->set_total($new_tax->total() + $amount);
-            $percent = $taxable_total ? $new_tax->total() / $taxable_total * 100 : 0;
-            $new_tax->set_percent(EEH_Line_Item::currencyFormatter()->roundForLocale($percent));
-        } else {
-            $percent = $taxable_total ? ($amount / $taxable_total * 100) : 0;
-            // no existing tax item. Create it
-            $new_tax = EE_Line_Item::new_instance(
-                [
-                    'TXN_ID'      => $total_line_item->TXN_ID(),
-                    'LIN_name'    => $name ? $name : esc_html__('Tax', 'event_espresso'),
-                    'LIN_desc'    => $description ? $description : '',
-                    'LIN_percent' => EEH_Line_Item::currencyFormatter()->roundForLocale($percent),
-                    'LIN_total'   => $amount,
-                    'LIN_parent'  => $tax_subtotal->ID(),
-                    'LIN_type'    => EEM_Line_Item::type_tax,
-                    'LIN_code'    => $code,
-                ]
-            );
-        }
-
-        $new_tax = apply_filters(
-            'FHEE__EEH_Line_Item__set_total_tax_to__new_tax_subtotal',
-            $new_tax,
-            $total_line_item
-        );
-        $new_tax->save();
-        $tax_subtotal->set_total($new_tax->total());
-        $tax_subtotal->save();
-        $total_line_item->recalculate_total_including_taxes();
-        return $new_tax;
-    }
-
-
-    /**
-     * Makes all the line items which are children of $line_item taxable (or not).
-     * Does NOT save the line items
-     *
-     * @param EE_Line_Item $line_item
-     * @param boolean      $taxable
-     * @param string       $code_substring_for_whitelist if this string is part of the line item's code
-     *                                                   it will be whitelisted (ie, except from becoming taxable)
-     * @throws EE_Error|ReflectionException
-     */
-    public static function set_line_items_taxable(
-        EE_Line_Item $line_item,
-        $taxable = true,
-        $code_substring_for_whitelist = null
-    ) {
-        $whitelisted = false;
-        if ($code_substring_for_whitelist !== null) {
-            $whitelisted = strpos($line_item->code(), $code_substring_for_whitelist) !== false;
-        }
-        if (! $whitelisted && $line_item->is_line_item()) {
-            $line_item->set_is_taxable($taxable);
-        }
-        foreach ($line_item->children() as $child_line_item) {
-            EEH_Line_Item::set_line_items_taxable(
-                $child_line_item,
-                $taxable,
-                $code_substring_for_whitelist
-            );
-        }
-    }
-
-
-    /**
-     * Gets all descendants that are event subtotals
-     *
-     * @param EE_Line_Item $parent_line_item - the line item to find descendants of
-     * @return EE_Line_Item[]
-     * @throws EE_Error|ReflectionException
-     * @uses  EEH_Line_Item::get_subtotals_of_object_type()
-     */
-    public static function get_event_subtotals(EE_Line_Item $parent_line_item)
-    {
-        return self::get_subtotals_of_object_type($parent_line_item, EEM_Line_Item::OBJ_TYPE_EVENT);
-    }
-
-
-    /**
-     * Gets all descendants subtotals that match the supplied object type
-     *
-     * @param EE_Line_Item $parent_line_item - the line item to find descendants of
-     * @param string       $obj_type
-     * @return EE_Line_Item[]
-     * @throws EE_Error|ReflectionException
-     * @uses  EEH_Line_Item::_get_descendants_by_type_and_object_type()
-     */
-    public static function get_subtotals_of_object_type(EE_Line_Item $parent_line_item, $obj_type = '')
-    {
-        return self::_get_descendants_by_type_and_object_type(
-            $parent_line_item,
-            EEM_Line_Item::type_sub_total,
-            $obj_type
-        );
-    }
-
-
-    /**
-     * Gets all descendants that are tickets
-     *
-     * @param EE_Line_Item $parent_line_item - the line item to find descendants of
-     * @return EE_Line_Item[]
-     * @throws EE_Error|ReflectionException
-     * @uses  EEH_Line_Item::get_line_items_of_object_type()
-     */
-    public static function get_ticket_line_items(EE_Line_Item $parent_line_item)
-    {
-        return self::get_line_items_of_object_type(
-            $parent_line_item,
-            EEM_Line_Item::OBJ_TYPE_TICKET
-        );
-    }
-
-
-    /**
-     * Gets all descendants subtotals that match the supplied object type
-     *
-     * @param EE_Line_Item $parent_line_item - the line item to find descendants of
-     * @param string       $obj_type
-     * @return EE_Line_Item[]
-     * @throws EE_Error|ReflectionException
-     * @uses  EEH_Line_Item::_get_descendants_by_type_and_object_type()
-     */
-    public static function get_line_items_of_object_type(EE_Line_Item $parent_line_item, $obj_type = '')
-    {
-        return self::_get_descendants_by_type_and_object_type(
-            $parent_line_item,
-            EEM_Line_Item::type_line_item,
-            $obj_type
-        );
-    }
-
-
-    /**
-     * Gets all the descendants (ie, children or children of children etc) that are of the type 'tax'
-     *
-     * @param EE_Line_Item $parent_line_item - the line item to find descendants of
-     * @return EE_Line_Item[]
-     * @throws EE_Error|ReflectionException
-     * @uses  EEH_Line_Item::get_descendants_of_type()
-     */
-    public static function get_tax_descendants(EE_Line_Item $parent_line_item)
-    {
-        return EEH_Line_Item::get_descendants_of_type(
-            $parent_line_item,
-            EEM_Line_Item::type_tax
-        );
-    }
-
-
-    /**
-     * Gets all the real items purchased which are children of this item
-     *
-     * @param EE_Line_Item $parent_line_item - the line item to find descendants of
-     * @return EE_Line_Item[]
-     * @throws EE_Error|ReflectionException
-     * @uses  EEH_Line_Item::get_descendants_of_type()
-     */
-    public static function get_line_item_descendants(EE_Line_Item $parent_line_item)
-    {
-        return EEH_Line_Item::get_descendants_of_type(
-            $parent_line_item,
-            EEM_Line_Item::type_line_item
-        );
-    }
-
-
-    /**
-     * Gets all descendants of supplied line item that match the supplied line item type
-     *
-     * @param EE_Line_Item $parent_line_item - the line item to find descendants of
-     * @param string       $line_item_type   one of the EEM_Line_Item constants
-     * @return EE_Line_Item[]
-     * @throws EE_Error|ReflectionException
-     * @uses  EEH_Line_Item::_get_descendants_by_type_and_object_type()
-     */
-    public static function get_descendants_of_type(EE_Line_Item $parent_line_item, $line_item_type)
-    {
-        return self::_get_descendants_by_type_and_object_type($parent_line_item, $line_item_type);
-    }
-
-
-    /**
-     * Gets all descendants of supplied line item that match the supplied line item type and possibly the object type
-     * as well
-     *
-     * @param EE_Line_Item  $parent_line_item - the line item to find descendants of
-     * @param string        $line_item_type   one of the EEM_Line_Item constants
-     * @param string | NULL $obj_type         object model class name (minus prefix)
-     *                                        or NULL to ignore object type when searching
-     * @return EE_Line_Item[]
-     * @throws EE_Error|ReflectionException
-     */
-    protected static function _get_descendants_by_type_and_object_type(
-        EE_Line_Item $parent_line_item,
-        $line_item_type,
-        $obj_type = null
-    ) {
-        $objects = [];
-        foreach ($parent_line_item->children() as $child_line_item) {
-            if ($child_line_item instanceof EE_Line_Item) {
-                if (
-                    $child_line_item->type() === $line_item_type
-                    && (
-                        $child_line_item->OBJ_type() === $obj_type || $obj_type === null
-                    )
-                ) {
-                    $objects[] = $child_line_item;
-                } else {
-                    // go-through-all-its children looking for more matches
-                    $objects = array_merge(
-                        $objects,
-                        self::_get_descendants_by_type_and_object_type(
-                            $child_line_item,
-                            $line_item_type,
-                            $obj_type
-                        )
-                    );
-                }
-            }
-        }
-        return $objects;
-    }
-
-
-    /**
-     * Gets all descendants subtotals that match the supplied object type
-     *
-     * @param EE_Line_Item $parent_line_item - the line item to find descendants of
-     * @param string       $OBJ_type         object type (like Event)
-     * @param array        $OBJ_IDs          array of OBJ_IDs
-     * @return EE_Line_Item[]
-     * @throws EE_Error|ReflectionException
-     * @uses  EEH_Line_Item::_get_descendants_by_type_and_object_type()
-     */
-    public static function get_line_items_by_object_type_and_IDs(
-        EE_Line_Item $parent_line_item,
-        $OBJ_type = '',
-        $OBJ_IDs = []
-    ) {
-        return self::_get_descendants_by_object_type_and_object_ID(
-            $parent_line_item,
-            $OBJ_type,
-            $OBJ_IDs
-        );
-    }
-
-
-    /**
-     * Gets all descendants of supplied line item that match the supplied line item type and possibly the object type
-     * as well
-     *
-     * @param EE_Line_Item $parent_line_item - the line item to find descendants of
-     * @param string       $OBJ_type         object type (like Event)
-     * @param array        $OBJ_IDs          array of OBJ_IDs
-     * @return EE_Line_Item[]
-     * @throws EE_Error|ReflectionException
-     */
-    protected static function _get_descendants_by_object_type_and_object_ID(
-        EE_Line_Item $parent_line_item,
-        $OBJ_type,
-        $OBJ_IDs
-    ) {
-        $objects = [];
-        foreach ($parent_line_item->children() as $child_line_item) {
-            if ($child_line_item instanceof EE_Line_Item) {
-                if (
-                    $child_line_item->OBJ_type() === $OBJ_type
-                    && is_array($OBJ_IDs)
-                    && in_array($child_line_item->OBJ_ID(), $OBJ_IDs)
-                ) {
-                    $objects[] = $child_line_item;
-                } else {
-                    // go-through-all-its children looking for more matches
-                    $objects = array_merge(
-                        $objects,
-                        self::_get_descendants_by_object_type_and_object_ID(
-                            $child_line_item,
-                            $OBJ_type,
-                            $OBJ_IDs
-                        )
-                    );
-                }
-            }
-        }
-        return $objects;
-    }
-
-
-    /**
-     * Uses a breadth-first-search in order to find the nearest descendant of
-     * the specified type and returns it, else NULL
-     *
-     * @param EE_Line_Item $parent_line_item - the line item to find descendants of
-     * @param string       $type             like one of the EEM_Line_Item::type_*
-     * @return EE_Line_Item
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     * @uses  EEH_Line_Item::_get_nearest_descendant()
-     */
-    public static function get_nearest_descendant_of_type(EE_Line_Item $parent_line_item, $type)
-    {
-        return self::_get_nearest_descendant($parent_line_item, 'LIN_type', $type);
-    }
-
-
-    /**
-     * Uses a breadth-first-search in order to find the nearest descendant
-     * having the specified LIN_code and returns it, else NULL
-     *
-     * @param EE_Line_Item $parent_line_item - the line item to find descendants of
-     * @param string       $code             any value used for LIN_code
-     * @return EE_Line_Item
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     * @uses  EEH_Line_Item::_get_nearest_descendant()
-     */
-    public static function get_nearest_descendant_having_code(EE_Line_Item $parent_line_item, $code)
-    {
-        return self::_get_nearest_descendant($parent_line_item, 'LIN_code', $code);
-    }
-
-
-    /**
-     * Uses a breadth-first-search in order to find the nearest descendant
-     * having the specified LIN_code and returns it, else NULL
-     *
-     * @param EE_Line_Item $parent_line_item - the line item to find descendants of
-     * @param string       $search_field     name of EE_Line_Item property
-     * @param string       $value            any value stored in $search_field
-     * @return EE_Line_Item
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    protected static function _get_nearest_descendant(EE_Line_Item $parent_line_item, $search_field, $value)
-    {
-        foreach ($parent_line_item->children() as $child) {
-            if ($child->get($search_field) == $value) {
-                return $child;
-            }
-        }
-        foreach ($parent_line_item->children() as $child) {
-            $descendant_found = self::_get_nearest_descendant(
-                $child,
-                $search_field,
-                $value
-            );
-            if ($descendant_found) {
-                return $descendant_found;
-            }
-        }
-        return null;
-    }
-
-
-    /**
-     * if passed line item has a TXN ID, uses that to jump directly to the grand total line item for the transaction,
-     * else recursively walks up the line item tree until a parent of type total is found,
-     *
-     * @param EE_Line_Item $line_item
-     * @return EE_Line_Item
-     * @throws EE_Error|ReflectionException
-     */
-    public static function find_transaction_grand_total_for_line_item(EE_Line_Item $line_item)
-    {
-        if ($line_item->TXN_ID()) {
-            $total_line_item = $line_item->transaction()->total_line_item(false);
-            if ($total_line_item instanceof EE_Line_Item) {
-                return $total_line_item;
-            }
-        } else {
-            $line_item_parent = $line_item->parent();
-            if ($line_item_parent instanceof EE_Line_Item) {
-                if ($line_item_parent->is_total()) {
-                    return $line_item_parent;
-                }
-                return EEH_Line_Item::find_transaction_grand_total_for_line_item($line_item_parent);
-            }
-        }
-        throw new EE_Error(
-            sprintf(
-                esc_html__(
-                    'A valid grand total for line item %1$d was not found.',
-                    'event_espresso'
-                ),
-                $line_item->ID()
-            )
-        );
-    }
-
-
-    /**
-     * Prints out a representation of the line item tree
-     *
-     * @param EE_Line_Item $line_item
-     * @param int          $indentation
-     * @return void
-     * @throws EE_Error|ReflectionException
-     */
-    public static function visualize(EE_Line_Item $line_item, $indentation = 0)
-    {
-        echo defined('EE_TESTS_DIR') ? "\n" : '<br />';
-        if (! $indentation) {
-            echo defined('EE_TESTS_DIR') ? "\n" : '<br />';
-        }
-        for ($i = 0; $i < $indentation; $i++) {
-            echo '. ';
-        }
-        $breakdown = '';
-        if ($line_item->is_line_item()) {
-            if ($line_item->is_percent()) {
-                $breakdown = "{$line_item->percent()}%";
-            } else {
-                $breakdown = '$' . "{$line_item->unit_price()} x {$line_item->quantity()}";
-            }
-        }
-        echo wp_kses($line_item->name(), AllowedTags::getAllowedTags());
-        echo " [ ID:{$line_item->ID()} | qty:{$line_item->quantity()} ] {$line_item->type()} : ";
-        echo '$' . (string) $line_item->total();
-        if ($breakdown) {
-            echo " ( {$breakdown} )";
-        }
-        if ($line_item->is_taxable()) {
-            echo '  * taxable';
-        }
-        if ($line_item->children()) {
-            foreach ($line_item->children() as $child) {
-                self::visualize($child, $indentation + 1);
-            }
-        }
-    }
-
-
-    /**
-     * Calculates the registration's final price, taking into account that they
-     * need to not only help pay for their OWN ticket, but also any transaction-wide surcharges and taxes,
-     * and receive a portion of any transaction-wide discounts.
-     * eg1, if I buy a $1 ticket and brent buys a $9 ticket, and we receive a $5 discount
-     * then I'll get 1/10 of that $5 discount, which is $0.50, and brent will get
-     * 9/10ths of that $5 discount, which is $4.50. So my final price should be $0.50
-     * and brent's final price should be $5.50.
-     * In order to do this, we basically need to traverse the line item tree calculating
-     * the running totals (just as if we were recalculating the total), but when we identify
-     * regular line items, we need to keep track of their share of the grand total.
-     * Also, we need to keep track of the TAXABLE total for each ticket purchase, so
-     * we can know how to apply taxes to it. (Note: "taxable total" does not equal the "pretax total"
-     * when there are non-taxable items; otherwise they would be the same)
-     *
-     * @param EE_Line_Item $line_item
-     * @param array        $billable_ticket_quantities          array of EE_Ticket IDs and their corresponding quantity
-     *                                                          that can be included in price calculations at this
-     *                                                          moment
-     * @return array        keys are line items for tickets IDs and values are their share of the running total,
-     *                                                          plus the key 'total', and 'taxable' which also has keys
-     *                                                          of all the ticket IDs. Eg array(
-     *                                                          12 => 4.3
-     *                                                          23 => 8.0
-     *                                                          'total' => 16.6,
-     *                                                          'taxable' => array(
-     *                                                          12 => 10,
-     *                                                          23 => 4
-     *                                                          ).
-     *                                                          So to find which registrations have which final price,
-     *                                                          we need to find which line item is theirs, which can be
-     *                                                          done with
-     *                                                          `EEM_Line_Item::instance()->get_line_item_for_registration(
-     *                                                          $registration );`
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public static function calculate_reg_final_prices_per_line_item(
-        EE_Line_Item $line_item,
-        $billable_ticket_quantities = []
-    ) {
-        $running_totals = [
-            'total'   => 0,
-            'taxable' => ['total' => 0],
-        ];
-        foreach ($line_item->children() as $child_line_item) {
-            switch ($child_line_item->type()) {
-                case EEM_Line_Item::type_sub_total:
-                    $running_totals_from_subtotal = EEH_Line_Item::calculate_reg_final_prices_per_line_item(
-                        $child_line_item,
-                        $billable_ticket_quantities
-                    );
-                    // combine arrays but preserve numeric keys
-                    $running_totals                     =
-                        array_replace_recursive($running_totals_from_subtotal, $running_totals);
-                    $running_totals['total']            += $running_totals_from_subtotal['total'];
-                    $running_totals['taxable']['total'] += $running_totals_from_subtotal['taxable']['total'];
-                    break;
-
-                case EEM_Line_Item::type_tax_sub_total:
-                    // find how much the taxes percentage is
-                    if ($child_line_item->percent() !== 0) {
-                        $tax_percent_decimal = $child_line_item->percent(true);
-                    } else {
-                        $tax_percent_decimal =
-                            EEH_Line_Item::currencyFormatter()->roundForLocale(
-                                EE_Taxes::get_total_taxes_percentage() / 100
-                            );
-                    }
-                    // and apply to all the taxable totals, and add to the pretax totals
-                    foreach ($running_totals as $line_item_id => $this_running_total) {
-                        // "total" and "taxable" array key is an exception
-                        if ($line_item_id === 'taxable') {
-                            continue;
-                        }
-                        $taxable_total                   = $running_totals['taxable'][ $line_item_id ];
-                        $running_totals[ $line_item_id ] += EEH_Line_Item::currencyFormatter()->roundForLocale(
-                            $taxable_total * $tax_percent_decimal
-                        );
-                    }
-                    break;
-
-                case EEM_Line_Item::type_line_item:
-                    // ticket line items or ????
-                    if ($child_line_item->OBJ_type() === EEM_Line_Item::OBJ_TYPE_TICKET) {
-                        // kk it's a ticket
-                        if (isset($running_totals[ $child_line_item->ID() ])) {
-                            // huh? that shouldn't happen.
-                            $running_totals['total'] += $child_line_item->total();
-                        } else {
-                            // its not in our running totals yet. great.
-                            if ($child_line_item->is_taxable()) {
-                                $taxable_amount = $child_line_item->unit_price();
-                            } else {
-                                $taxable_amount = 0;
-                            }
-                            // are we only calculating totals for some tickets?
-                            if (isset($billable_ticket_quantities[ $child_line_item->OBJ_ID() ])) {
-                                $quantity                                            =
-                                    $billable_ticket_quantities[ $child_line_item->OBJ_ID() ];
-                                $running_totals[ $child_line_item->ID() ]            = $quantity
-                                    ? $child_line_item->unit_price()
-                                    : 0;
-                                $running_totals['taxable'][ $child_line_item->ID() ] = $quantity
-                                    ? $taxable_amount
-                                    : 0;
-                            } else {
-                                $quantity                                            = $child_line_item->quantity();
-                                $running_totals[ $child_line_item->ID() ]            = $child_line_item->unit_price();
-                                $running_totals['taxable'][ $child_line_item->ID() ] = $taxable_amount;
-                            }
-                            $running_totals['taxable']['total'] += $taxable_amount * $quantity;
-                            $running_totals['total']            += $child_line_item->unit_price() * $quantity;
-                        }
-                    } else {
-                        // it's some other type of item added to the cart
-                        // it should affect the running totals
-                        // basically we want to convert it into a PERCENT modifier. Because
-                        // more clearly affect all registration's final price equally
-                        $line_items_percent_of_running_total = $running_totals['total'] > 0
-                            ? EEH_Line_Item::currencyFormatter()->roundForLocale(
-                                $child_line_item->total() / $running_totals['total']
-                            ) + 1
-                            : 1;
-                        foreach ($running_totals as $line_item_id => $this_running_total) {
-                            // the "taxable" array key is an exception
-                            if ($line_item_id === 'taxable') {
-                                continue;
-                            }
-                            // update the running totals
-                            // yes this actually even works for the running grand total!
-                            $running_totals[ $line_item_id ] = EEH_Line_Item::currencyFormatter()->roundForLocale(
-                                $line_items_percent_of_running_total * $this_running_total
-                            );
-
-                            if ($child_line_item->is_taxable()) {
-                                $running_totals['taxable'][ $line_item_id ] =
-                                    EEH_Line_Item::currencyFormatter()->roundForLocale(
-                                        $line_items_percent_of_running_total * $running_totals['taxable'][ $line_item_id ]
-                                    );
-                            }
-                        }
-                    }
-                    break;
-            }
-        }
-        return $running_totals;
-    }
-
-
-    /**
-     * @param EE_Line_Item $total_line_item
-     * @param EE_Line_Item $ticket_line_item
-     * @return float | null
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws OutOfRangeException
-     * @throws ReflectionException
-     */
-    public static function calculate_final_price_for_ticket_line_item(
-        EE_Line_Item $total_line_item,
-        EE_Line_Item $ticket_line_item
-    ) {
-        static $final_prices_per_ticket_line_item = [];
-        if (empty($final_prices_per_ticket_line_item[ $total_line_item->ID() ])) {
-            $final_prices_per_ticket_line_item[ $total_line_item->ID() ] =
-                EEH_Line_Item::calculate_reg_final_prices_per_line_item(
-                    $total_line_item
-                );
-        }
-        // ok now find this new registration's final price
-        if (isset($final_prices_per_ticket_line_item[ $total_line_item->ID() ][ $ticket_line_item->ID() ])) {
-            return $final_prices_per_ticket_line_item[ $total_line_item->ID() ][ $ticket_line_item->ID() ];
-        }
-        $message = sprintf(
-            esc_html__(
-                'The final price for the ticket line item (ID:%1$d) could not be calculated.',
-                'event_espresso'
-            ),
-            $ticket_line_item->ID()
-        );
-        if (WP_DEBUG) {
-            $message .= '<br>' . print_r($final_prices_per_ticket_line_item, true);
-            throw new OutOfRangeException($message);
-        }
-        EE_Log::instance()->log(__CLASS__, __FUNCTION__, $message);
-        return null;
-    }
-
-
-    /**
-     * Creates a duplicate of the line item tree, except only includes billable items
-     * and the portion of line items attributed to billable things
-     *
-     * @param EE_Line_Item      $line_item
-     * @param EE_Registration[] $registrations
-     * @return EE_Line_Item
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public static function billable_line_item_tree(EE_Line_Item $line_item, $registrations)
-    {
-        $copy_li = EEH_Line_Item::billable_line_item($line_item, $registrations);
-        foreach ($line_item->children() as $child_li) {
-            $copy_li->add_child_line_item(
-                EEH_Line_Item::billable_line_item_tree($child_li, $registrations)
-            );
-        }
-        // if this is the grand total line item, make sure the totals all add up
-        // (we could have duplicated this logic AS we copied the line items, but
-        // it seems DRYer this way)
-        if ($copy_li->type() === EEM_Line_Item::type_total) {
-            $copy_li->recalculate_total_including_taxes();
-        }
-        return $copy_li;
-    }
-
-
-    /**
-     * Creates a new, unsaved line item from $line_item that factors in the
-     * number of billable registrations on $registrations.
-     *
-     * @param EE_Line_Item      $line_item
-     * @param EE_Registration[] $registrations
-     * @return EE_Line_Item
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public static function billable_line_item(EE_Line_Item $line_item, $registrations)
-    {
-        $new_li_fields = $line_item->model_field_array();
-        if (
-            $line_item->type() === EEM_Line_Item::type_line_item
-            && $line_item->OBJ_type() === EEM_Line_Item::OBJ_TYPE_TICKET
-        ) {
-            $count = 0;
-            foreach ($registrations as $registration) {
-                if (
-                    $line_item->OBJ_ID() === $registration->ticket_ID() &&
-                    in_array(
-                        $registration->status_ID(),
-                        EEM_Registration::reg_statuses_that_allow_payment(),
-                        true
-                    )
-                ) {
-                    $count++;
-                }
-            }
-            $new_li_fields['LIN_quantity'] = $count;
-        }
-        // don't set the total. We'll leave that up to the code that calculates it
-        unset($new_li_fields['LIN_ID'], $new_li_fields['LIN_parent'], $new_li_fields['LIN_total']);
-        return EE_Line_Item::new_instance($new_li_fields);
-    }
-
-
-    /**
-     * Returns a modified line item tree where all the subtotals which have a total of 0
-     * are removed, and line items with a quantity of 0
-     *
-     * @param EE_Line_Item $line_item |null
-     * @return EE_Line_Item|null
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public static function non_empty_line_items(EE_Line_Item $line_item)
-    {
-        $copied_li = EEH_Line_Item::non_empty_line_item($line_item);
-        if ($copied_li === null) {
-            return null;
-        }
-        // if this is an event subtotal, we want to only include it if it
-        // has a non-zero total and at least one ticket line item child
-        $ticket_children = 0;
-        foreach ($line_item->children() as $child_li) {
-            $child_li_copy = EEH_Line_Item::non_empty_line_items($child_li);
-            if ($child_li_copy !== null) {
-                $copied_li->add_child_line_item($child_li_copy);
-                if (
-                    $child_li_copy->type() === EEM_Line_Item::type_line_item
-                    && $child_li_copy->OBJ_type() === EEM_Line_Item::OBJ_TYPE_TICKET
-                ) {
-                    $ticket_children++;
-                }
-            }
-        }
-        // if this is an event subtotal with NO ticket children
-        // we basically want to ignore it
-        if (
-            $ticket_children === 0
-            && $line_item->type() === EEM_Line_Item::type_sub_total
-            && $line_item->OBJ_type() === EEM_Line_Item::OBJ_TYPE_EVENT
-            && $line_item->total() === 0
-        ) {
-            return null;
-        }
-        return $copied_li;
-    }
-
-
-    /**
-     * Creates a new, unsaved line item, but if it's a ticket line item
-     * with a total of 0, or a subtotal of 0, returns null instead
-     *
-     * @param EE_Line_Item $line_item
-     * @return EE_Line_Item
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public static function non_empty_line_item(EE_Line_Item $line_item)
-    {
-        if (
-            $line_item->type() === EEM_Line_Item::type_line_item
-            && $line_item->OBJ_type() === EEM_Line_Item::OBJ_TYPE_TICKET
-            && $line_item->quantity() === 0
-        ) {
-            return null;
-        }
-        $new_li_fields = $line_item->model_field_array();
-        // don't set the total. We'll leave that up to the code that calculates it
-        unset($new_li_fields['LIN_ID'], $new_li_fields['LIN_parent']);
-        return EE_Line_Item::new_instance($new_li_fields);
-    }
-
-
-    /**
-     * Cycles through all of the ticket line items for the supplied total line item
-     * and ensures that the line item's "is_taxable" field matches that of its corresponding ticket
-     *
-     * @param EE_Line_Item $total_line_item
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     * @since 4.9.79.p
-     */
-    public static function resetIsTaxableForTickets(EE_Line_Item $total_line_item)
-    {
-        $ticket_line_items = self::get_ticket_line_items($total_line_item);
-        foreach ($ticket_line_items as $ticket_line_item) {
-            if (
-                $ticket_line_item instanceof EE_Line_Item
-                && $ticket_line_item->OBJ_type() === EEM_Line_Item::OBJ_TYPE_TICKET
-            ) {
-                $ticket = $ticket_line_item->ticket();
-                if ($ticket instanceof EE_Ticket && $ticket->taxable() !== $ticket_line_item->is_taxable()) {
-                    $ticket_line_item->set_is_taxable($ticket->taxable());
-                    $ticket_line_item->save();
-                }
-            }
-        }
-    }
-
-
-
-    /**************************************** @DEPRECATED METHODS *************************************** */
-    /**
-     * @param EE_Line_Item $total_line_item
-     * @return EE_Line_Item
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     * @deprecated
-     */
-    public static function get_items_subtotal(EE_Line_Item $total_line_item)
-    {
-        EE_Error::doing_it_wrong(
-            'EEH_Line_Item::get_items_subtotal()',
-            sprintf(
-                esc_html__('Method replaced with %1$s', 'event_espresso'),
-                'EEH_Line_Item::get_pre_tax_subtotal()'
-            ),
-            '4.6.0'
-        );
-        return self::get_pre_tax_subtotal($total_line_item);
-    }
-
-
-    /**
-     * @param EE_Transaction $transaction
-     * @return EE_Line_Item
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     * @deprecated
-     */
-    public static function create_default_total_line_item($transaction = null)
-    {
-        EE_Error::doing_it_wrong(
-            'EEH_Line_Item::create_default_total_line_item()',
-            sprintf(
-                esc_html__('Method replaced with %1$s', 'event_espresso'),
-                'EEH_Line_Item::create_total_line_item()'
-            ),
-            '4.6.0'
-        );
-        return self::create_total_line_item($transaction);
-    }
-
-
-    /**
-     * @param EE_Line_Item   $total_line_item
-     * @param EE_Transaction $transaction
-     * @return EE_Line_Item
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     * @deprecated
-     */
-    public static function create_default_tickets_subtotal(EE_Line_Item $total_line_item, $transaction = null)
-    {
-        EE_Error::doing_it_wrong(
-            'EEH_Line_Item::create_default_tickets_subtotal()',
-            sprintf(
-                esc_html__('Method replaced with %1$s', 'event_espresso'),
-                'EEH_Line_Item::create_pre_tax_subtotal()'
-            ),
-            '4.6.0'
-        );
-        return self::create_pre_tax_subtotal($total_line_item, $transaction);
-    }
-
-
-    /**
-     * @param EE_Line_Item   $total_line_item
-     * @param EE_Transaction $transaction
-     * @return EE_Line_Item
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     * @deprecated
-     */
-    public static function create_default_taxes_subtotal(EE_Line_Item $total_line_item, $transaction = null)
-    {
-        EE_Error::doing_it_wrong(
-            'EEH_Line_Item::create_default_taxes_subtotal()',
-            sprintf(
-                esc_html__('Method replaced with %1$s', 'event_espresso'),
-                'EEH_Line_Item::create_taxes_subtotal()'
-            ),
-            '4.6.0'
-        );
-        return self::create_taxes_subtotal($total_line_item, $transaction);
-    }
-
-
-    /**
-     * @param EE_Line_Item   $total_line_item
-     * @param EE_Transaction $transaction
-     * @return EE_Line_Item
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     * @deprecated
-     */
-    public static function create_default_event_subtotal(EE_Line_Item $total_line_item, $transaction = null)
-    {
-        EE_Error::doing_it_wrong(
-            'EEH_Line_Item::create_default_event_subtotal()',
-            sprintf(
-                esc_html__('Method replaced with %1$s', 'event_espresso'),
-                'EEH_Line_Item::create_event_subtotal()'
-            ),
-            '4.6.0'
-        );
-        return self::create_event_subtotal($total_line_item, $transaction);
-    }
+	/**
+	 * @return CurrencyFormatter
+	 * @since   $VID:$
+	 */
+	private static function currencyFormatter()
+	{
+		static $currency_formatter;
+		if (! $currency_formatter instanceof CurrencyFormatter) {
+			$currency_formatter = LoaderFactory::getLoader()->getShared(CurrencyFormatter::class);
+		}
+		return $currency_formatter;
+	}
+
+	/**
+	 * Adds a simple item (unrelated to any other model object) to the provided PARENT line item.
+	 * Does NOT automatically re-calculate the line item totals or update the related transaction.
+	 * You should call recalculate_total_including_taxes() on the grant total line item after this
+	 * to update the subtotals, and EE_Registration_Processor::calculate_reg_final_prices_per_line_item()
+	 * to keep the registration final prices in-sync with the transaction's total.
+	 *
+	 * @param EE_Line_Item $parent_line_item
+	 * @param string       $name
+	 * @param float        $unit_price
+	 * @param string       $description
+	 * @param int          $quantity
+	 * @param boolean      $taxable
+	 * @param boolean      $code if set to a value, ensures there is only one line item with that code
+	 * @return boolean success
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public static function add_unrelated_item(
+		EE_Line_Item $parent_line_item,
+		$name,
+		$unit_price,
+		$description = '',
+		$quantity = 1,
+		$taxable = false,
+		$code = null
+	) {
+		$items_subtotal = self::get_pre_tax_subtotal($parent_line_item);
+		$line_item      = EE_Line_Item::new_instance(
+			[
+				'LIN_name'       => $name,
+				'LIN_desc'       => $description,
+				'LIN_unit_price' => $unit_price,
+				'LIN_quantity'   => $quantity,
+				'LIN_percent'    => null,
+				'LIN_is_taxable' => $taxable,
+				'LIN_order'      => $items_subtotal instanceof EE_Line_Item ? count($items_subtotal->children()) : 0,
+				'LIN_total'      => EEH_Line_Item::currencyFormatter()->roundForLocale(
+					(float) $unit_price * (int) $quantity
+				),
+				'LIN_type'       => EEM_Line_Item::type_line_item,
+				'LIN_code'       => $code,
+			]
+		);
+		$line_item      = apply_filters(
+			'FHEE__EEH_Line_Item__add_unrelated_item__line_item',
+			$line_item,
+			$parent_line_item
+		);
+		return self::add_item($parent_line_item, $line_item);
+	}
+
+
+	/**
+	 * Adds a simple item ( unrelated to any other model object) to the total line item,
+	 * in the correct spot in the line item tree. Does not automatically
+	 * re-calculate the line item totals, nor update the related transaction, nor upgrade the transaction's
+	 * registrations' final prices (which should probably change because of this).
+	 * You should call recalculate_total_including_taxes() on the grand total line item, then
+	 * update the transaction's total, and EE_Registration_Processor::update_registration_final_prices()
+	 * after using this, to keep the registration final prices in-sync with the transaction's total.
+	 *
+	 * @param EE_Line_Item $parent_line_item
+	 * @param string       $name
+	 * @param float        $percentage_amount
+	 * @param string       $description
+	 * @param boolean      $taxable
+	 * @return boolean success
+	 * @throws EE_Error|ReflectionException
+	 */
+	public static function add_percentage_based_item(
+		EE_Line_Item $parent_line_item,
+		$name,
+		$percentage_amount,
+		$description = '',
+		$taxable = false
+	) {
+		$line_item = EE_Line_Item::new_instance(
+			[
+				'LIN_name'       => $name,
+				'LIN_desc'       => $description,
+				'LIN_unit_price' => 0,
+				'LIN_percent'    => $percentage_amount,
+				'LIN_quantity'   => 1,
+				'LIN_is_taxable' => $taxable,
+				'LIN_total'      => EEH_Line_Item::currencyFormatter()->roundForLocale(
+					$percentage_amount * $parent_line_item->total() / 100
+				),
+				'LIN_type'       => EEM_Line_Item::type_line_item,
+				'LIN_parent'     => $parent_line_item->ID(),
+			]
+		);
+		$line_item = apply_filters(
+			'FHEE__EEH_Line_Item__add_percentage_based_item__line_item',
+			$line_item
+		);
+		return $parent_line_item->add_child_line_item($line_item, false);
+	}
+
+
+	/**
+	 * Returns the new line item created by adding a purchase of the ticket
+	 * ensures that ticket line item is saved, and that cart total has been recalculated.
+	 * If this ticket has already been purchased, just increments its count.
+	 * Automatically re-calculates the line item totals and updates the related transaction. But
+	 * DOES NOT automatically upgrade the transaction's registrations' final prices (which
+	 * should probably change because of this).
+	 * You should call EE_Registration_Processor::calculate_reg_final_prices_per_line_item()
+	 * after using this, to keep the registration final prices in-sync with the transaction's total.
+	 *
+	 * @param EE_Line_Item $total_line_item grand total line item of type EEM_Line_Item::type_total
+	 * @param EE_Ticket    $ticket
+	 * @param int          $qty
+	 * @return EE_Line_Item
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public static function add_ticket_purchase(EE_Line_Item $total_line_item, EE_Ticket $ticket, $qty = 1)
+	{
+		if (! $total_line_item instanceof EE_Line_Item || ! $total_line_item->is_total()) {
+			throw new EE_Error(
+				sprintf(
+					esc_html__(
+						'A valid line item total is required in order to add tickets. A line item of type "%s" was passed.',
+						'event_espresso'
+					),
+					$ticket->ID(),
+					$total_line_item->ID()
+				)
+			);
+		}
+		// either increment the qty for an existing ticket
+		$line_item = self::increment_ticket_qty_if_already_in_cart($total_line_item, $ticket, $qty);
+		// or add a new one
+		if (! $line_item instanceof EE_Line_Item) {
+			$line_item = self::create_ticket_line_item($total_line_item, $ticket, $qty);
+		}
+		$total_line_item->recalculate_total_including_taxes();
+		return $line_item;
+	}
+
+
+	/**
+	 * Returns the new line item created by adding a purchase of the ticket
+	 *
+	 * @param EE_Line_Item $total_line_item
+	 * @param EE_Ticket    $ticket
+	 * @param int          $qty
+	 * @return EE_Line_Item
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public static function increment_ticket_qty_if_already_in_cart(
+		EE_Line_Item $total_line_item,
+		EE_Ticket $ticket,
+		$qty = 1
+	) {
+		$line_item = null;
+		if ($total_line_item instanceof EE_Line_Item && $total_line_item->is_total()) {
+			$ticket_line_items = EEH_Line_Item::get_ticket_line_items($total_line_item);
+			foreach ((array) $ticket_line_items as $ticket_line_item) {
+				if (
+					$ticket_line_item instanceof EE_Line_Item
+					&& (int) $ticket_line_item->OBJ_ID() === (int) $ticket->ID()
+				) {
+					$line_item = $ticket_line_item;
+					break;
+				}
+			}
+		}
+		if ($line_item instanceof EE_Line_Item) {
+			EEH_Line_Item::increment_quantity($line_item, $qty);
+			return $line_item;
+		}
+		return null;
+	}
+
+
+	/**
+	 * Increments the line item and all its children's quantity by $qty (but percent line items are unaffected).
+	 * Does NOT save or recalculate other line items totals
+	 *
+	 * @param EE_Line_Item $line_item
+	 * @param int          $qty
+	 * @return void
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public static function increment_quantity(EE_Line_Item $line_item, $qty = 1)
+	{
+		if (! $line_item->is_percent()) {
+			$qty += $line_item->quantity();
+			$line_item->set_quantity($qty);
+			$line_item->set_total($line_item->unit_price() * $qty);
+			$line_item->save();
+		}
+		foreach ($line_item->children() as $child) {
+			if ($child->is_sub_line_item()) {
+				EEH_Line_Item::update_quantity($child, $qty);
+			}
+		}
+	}
+
+
+	/**
+	 * Decrements the line item and all its children's quantity by $qty (but percent line items are unaffected).
+	 * Does NOT save or recalculate other line items totals
+	 *
+	 * @param EE_Line_Item $line_item
+	 * @param int          $qty
+	 * @return void
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public static function decrement_quantity(EE_Line_Item $line_item, $qty = 1)
+	{
+		if (! $line_item->is_percent()) {
+			$qty = $line_item->quantity() - $qty;
+			$qty = max($qty, 0);
+			$line_item->set_quantity($qty);
+			$line_item->set_total($line_item->unit_price() * $qty);
+			$line_item->save();
+		}
+		foreach ($line_item->children() as $child) {
+			if ($child->is_sub_line_item()) {
+				EEH_Line_Item::update_quantity($child, $qty);
+			}
+		}
+	}
+
+
+	/**
+	 * Updates the line item and its children's quantities to the specified number.
+	 * Does NOT save them or recalculate totals.
+	 *
+	 * @param EE_Line_Item $line_item
+	 * @param int          $new_quantity
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public static function update_quantity(EE_Line_Item $line_item, $new_quantity)
+	{
+		if (! $line_item->is_percent()) {
+			$line_item->set_quantity($new_quantity);
+			$line_item->set_total($line_item->unit_price() * $new_quantity);
+			$line_item->save();
+		}
+		foreach ($line_item->children() as $child) {
+			if ($child->is_sub_line_item()) {
+				EEH_Line_Item::update_quantity($child, $new_quantity);
+			}
+		}
+	}
+
+
+	/**
+	 * Returns the new line item created by adding a purchase of the ticket
+	 *
+	 * @param EE_Line_Item $total_line_item of type EEM_Line_Item::type_total
+	 * @param EE_Ticket    $ticket
+	 * @param int          $qty
+	 * @return EE_Line_Item
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public static function create_ticket_line_item(EE_Line_Item $total_line_item, EE_Ticket $ticket, $qty = 1)
+	{
+		$datetimes           = $ticket->datetimes();
+		$first_datetime      = reset($datetimes);
+		$first_datetime_name = esc_html__('Event', 'event_espresso');
+		if ($first_datetime instanceof EE_Datetime && $first_datetime->event() instanceof EE_Event) {
+			$first_datetime_name = $first_datetime->event()->name();
+		}
+		$event = sprintf(_x('(For %1$s)', '(For Event Name)', 'event_espresso'), $first_datetime_name);
+		// get event subtotal line
+		$events_sub_total = self::get_event_line_item_for_ticket($total_line_item, $ticket);
+		// add $ticket to cart
+		$line_item = EE_Line_Item::new_instance(
+			[
+				'LIN_name'       => $ticket->name(),
+				'LIN_desc'       => $ticket->description() !== '' ? $ticket->description() . ' ' . $event : $event,
+				'LIN_unit_price' => $ticket->price(),
+				'LIN_quantity'   => $qty,
+				'LIN_is_taxable' => $ticket->taxable(),
+				'LIN_order'      => count($events_sub_total->children()),
+				'LIN_total'      => $ticket->price() * $qty,
+				'LIN_type'       => EEM_Line_Item::type_line_item,
+				'OBJ_ID'         => $ticket->ID(),
+				'OBJ_type'       => EEM_Line_Item::OBJ_TYPE_TICKET,
+			]
+		);
+		$line_item = apply_filters(
+			'FHEE__EEH_Line_Item__create_ticket_line_item__line_item',
+			$line_item
+		);
+		$events_sub_total->add_child_line_item($line_item);
+		// now add the sub-line items
+		$running_total_for_ticket = 0;
+		foreach ($ticket->prices(['order_by' => ['PRC_order' => 'ASC']]) as $price) {
+			$sign          = $price->is_discount() ? -1 : 1;
+			$price_total   = $price->is_percent()
+				? $sign * $running_total_for_ticket * $price->amount() / 100
+				: $sign * $price->amount() * $qty;
+			$price_total = EEH_Line_Item::currencyFormatter()->roundForLocale($price_total);
+			$sub_line_item = EE_Line_Item::new_instance(
+				[
+					'LIN_name'       => $price->name(),
+					'LIN_desc'       => $price->desc(),
+					'LIN_quantity'   => $price->is_percent() ? null : $qty,
+					'LIN_is_taxable' => false,
+					'LIN_order'      => $price->order(),
+					'LIN_total'      => $price_total,
+					'LIN_type'       => EEM_Line_Item::type_sub_line_item,
+					'OBJ_ID'         => $price->ID(),
+					'OBJ_type'       => EEM_Line_Item::OBJ_TYPE_PRICE,
+				]
+			);
+			/** @var EE_Line_Item $sub_line_item */
+			$sub_line_item = apply_filters(
+				'FHEE__EEH_Line_Item__create_ticket_line_item__sub_line_item',
+				$sub_line_item
+			);
+			if ($price->is_percent()) {
+				$sub_line_item->set_percent($sign * $price->amount());
+			} else {
+				$sub_line_item->set_unit_price($sign * $price->amount());
+			}
+			$running_total_for_ticket += $price_total;
+			$line_item->add_child_line_item($sub_line_item);
+		}
+		return $line_item;
+	}
+
+
+	/**
+	 * Adds the specified item under the pre-tax-sub-total line item. Automatically
+	 * re-calculates the line item totals and updates the related transaction. But
+	 * DOES NOT automatically upgrade the transaction's registrations' final prices (which
+	 * should probably change because of this).
+	 * You should call EE_Registration_Processor::calculate_reg_final_prices_per_line_item()
+	 * after using this, to keep the registration final prices in-sync with the transaction's total.
+	 *
+	 * @param EE_Line_Item $total_line_item
+	 * @param EE_Line_Item $item to be added
+	 * @return boolean
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public static function add_item(EE_Line_Item $total_line_item, EE_Line_Item $item)
+	{
+		$pre_tax_subtotal = self::get_pre_tax_subtotal($total_line_item);
+		if ($pre_tax_subtotal instanceof EE_Line_Item) {
+			$success = $pre_tax_subtotal->add_child_line_item($item);
+		} else {
+			return false;
+		}
+		$total_line_item->recalculate_total_including_taxes();
+		return $success;
+	}
+
+
+	/**
+	 * cancels an existing ticket line item,
+	 * by decrementing it's quantity by 1 and adding a new "type_cancellation" sub-line-item.
+	 * ALL totals and subtotals will NEED TO BE UPDATED after performing this action
+	 *
+	 * @param EE_Line_Item $ticket_line_item
+	 * @param int          $qty
+	 * @return bool success
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public static function cancel_ticket_line_item(EE_Line_Item $ticket_line_item, $qty = 1)
+	{
+		// validate incoming line_item
+		if ($ticket_line_item->OBJ_type() !== EEM_Line_Item::OBJ_TYPE_TICKET) {
+			throw new EE_Error(
+				sprintf(
+					esc_html__(
+						'The supplied line item must have an Object Type of "Ticket", not %1$s.',
+						'event_espresso'
+					),
+					$ticket_line_item->type()
+				)
+			);
+		}
+		if ($ticket_line_item->quantity() < $qty) {
+			throw new EE_Error(
+				sprintf(
+					esc_html__(
+						'Can not cancel %1$d ticket(s) because the supplied line item has a quantity of %2$d.',
+						'event_espresso'
+					),
+					$qty,
+					$ticket_line_item->quantity()
+				)
+			);
+		}
+		// decrement ticket quantity; don't rely on auto-fixing when recalculating totals to do this
+		$ticket_line_item->set_quantity($ticket_line_item->quantity() - $qty);
+		foreach ($ticket_line_item->children() as $child_line_item) {
+			if (
+				$child_line_item->is_sub_line_item()
+				&& ! $child_line_item->is_percent()
+				&& ! $child_line_item->is_cancellation()
+			) {
+				$child_line_item->set_quantity($child_line_item->quantity() - $qty);
+			}
+		}
+		// get cancellation sub line item
+		$cancellation_line_item = EEH_Line_Item::get_descendants_of_type(
+			$ticket_line_item,
+			EEM_Line_Item::type_cancellation
+		);
+		$cancellation_line_item = reset($cancellation_line_item);
+		// verify that this ticket was indeed previously cancelled
+		if ($cancellation_line_item instanceof EE_Line_Item) {
+			// increment cancelled quantity
+			$cancellation_line_item->set_quantity($cancellation_line_item->quantity() + $qty);
+		} else {
+			// create cancellation sub line item
+			$cancellation_line_item = EE_Line_Item::new_instance(
+				[
+					'LIN_name'       => esc_html__('Cancellation', 'event_espresso'),
+					'LIN_desc'       => sprintf(
+						esc_html_x(
+							'Cancelled %1$s : %2$s',
+							'Cancelled Ticket Name : 2015-01-01 11:11',
+							'event_espresso'
+						),
+						$ticket_line_item->name(),
+						current_time(get_option('date_format') . ' ' . get_option('time_format'))
+					),
+					'LIN_unit_price' => 0, // $ticket_line_item->unit_price()
+					'LIN_quantity'   => $qty,
+					'LIN_is_taxable' => $ticket_line_item->is_taxable(),
+					'LIN_order'      => count($ticket_line_item->children()),
+					'LIN_total'      => 0, // $ticket_line_item->unit_price()
+					'LIN_type'       => EEM_Line_Item::type_cancellation,
+				]
+			);
+			$ticket_line_item->add_child_line_item($cancellation_line_item);
+		}
+		if ($ticket_line_item->save_this_and_descendants() > 0) {
+			// decrement parent line item quantity
+			$event_line_item = $ticket_line_item->parent();
+			if (
+				$event_line_item instanceof EE_Line_Item
+				&& $event_line_item->OBJ_type() === EEM_Line_Item::OBJ_TYPE_EVENT
+			) {
+				$event_line_item->set_quantity($event_line_item->quantity() - $qty);
+				$event_line_item->save();
+			}
+			EEH_Line_Item::get_grand_total_and_recalculate_everything($ticket_line_item);
+			return true;
+		}
+		return false;
+	}
+
+
+	/**
+	 * reinstates (un-cancels?) a previously canceled ticket line item,
+	 * by incrementing it's quantity by 1, and decrementing it's "type_cancellation" sub-line-item.
+	 * ALL totals and subtotals will NEED TO BE UPDATED after performing this action
+	 *
+	 * @param EE_Line_Item $ticket_line_item
+	 * @param int          $qty
+	 * @return bool success
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public static function reinstate_canceled_ticket_line_item(EE_Line_Item $ticket_line_item, $qty = 1)
+	{
+		// validate incoming line_item
+		if ($ticket_line_item->OBJ_type() !== EEM_Line_Item::OBJ_TYPE_TICKET) {
+			throw new EE_Error(
+				sprintf(
+					esc_html__(
+						'The supplied line item must have an Object Type of "Ticket", not %1$s.',
+						'event_espresso'
+					),
+					$ticket_line_item->type()
+				)
+			);
+		}
+		// get cancellation sub line item
+		$cancellation_line_item = EEH_Line_Item::get_descendants_of_type(
+			$ticket_line_item,
+			EEM_Line_Item::type_cancellation
+		);
+		$cancellation_line_item = reset($cancellation_line_item);
+		// verify that this ticket was indeed previously cancelled
+		if (! $cancellation_line_item instanceof EE_Line_Item) {
+			return false;
+		}
+		if ($cancellation_line_item->quantity() > $qty) {
+			// decrement cancelled quantity
+			$cancellation_line_item->set_quantity($cancellation_line_item->quantity() - $qty);
+		} elseif ($cancellation_line_item->quantity() === $qty) {
+			// decrement cancelled quantity in case anyone still has the object kicking around
+			$cancellation_line_item->set_quantity($cancellation_line_item->quantity() - $qty);
+			// delete because quantity will end up as 0
+			$cancellation_line_item->delete();
+			// and attempt to destroy the object,
+			// even though PHP won't actually destroy it until it needs the memory
+			unset($cancellation_line_item);
+		} else {
+			// what ?!?! negative quantity ?!?!
+			throw new EE_Error(
+				sprintf(
+					esc_html__(
+						'Can not reinstate %1$d cancelled ticket(s) because the cancelled ticket quantity is only %2$d.',
+						'event_espresso'
+					),
+					$qty,
+					$cancellation_line_item->quantity()
+				)
+			);
+		}
+		// increment ticket quantity
+		$ticket_line_item->set_quantity($ticket_line_item->quantity() + $qty);
+		if ($ticket_line_item->save_this_and_descendants() > 0) {
+			// increment parent line item quantity
+			$event_line_item = $ticket_line_item->parent();
+			if (
+				$event_line_item instanceof EE_Line_Item
+				&& $event_line_item->OBJ_type() === EEM_Line_Item::OBJ_TYPE_EVENT
+			) {
+				$event_line_item->set_quantity($event_line_item->quantity() + $qty);
+			}
+			EEH_Line_Item::get_grand_total_and_recalculate_everything($ticket_line_item);
+			return true;
+		}
+		return false;
+	}
+
+
+	/**
+	 * calls EEH_Line_Item::find_transaction_grand_total_for_line_item()
+	 * then EE_Line_Item::recalculate_total_including_taxes() on the result
+	 *
+	 * @param EE_Line_Item $line_item
+	 * @return float
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public static function get_grand_total_and_recalculate_everything(EE_Line_Item $line_item)
+	{
+		$grand_total_line_item = EEH_Line_Item::find_transaction_grand_total_for_line_item($line_item);
+		return $grand_total_line_item->recalculate_total_including_taxes();
+	}
+
+
+	/**
+	 * Gets the line item which contains the subtotal of all the items
+	 *
+	 * @param EE_Line_Item $total_line_item of type EEM_Line_Item::type_total
+	 * @return EE_Line_Item
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public static function get_pre_tax_subtotal(EE_Line_Item $total_line_item)
+	{
+		$pre_tax_subtotal = $total_line_item->get_child_line_item('pre-tax-subtotal');
+		return $pre_tax_subtotal instanceof EE_Line_Item
+			? $pre_tax_subtotal
+			: self::create_pre_tax_subtotal($total_line_item);
+	}
+
+
+	/**
+	 * Gets the line item for the taxes subtotal
+	 *
+	 * @param EE_Line_Item $total_line_item of type EEM_Line_Item::type_total
+	 * @return EE_Line_Item
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public static function get_taxes_subtotal(EE_Line_Item $total_line_item)
+	{
+		$taxes = $total_line_item->get_child_line_item('taxes');
+		return $taxes ? $taxes : self::create_taxes_subtotal($total_line_item);
+	}
+
+
+	/**
+	 * sets the TXN ID on an EE_Line_Item if passed a valid EE_Transaction object
+	 *
+	 * @param EE_Line_Item   $line_item
+	 * @param EE_Transaction $transaction
+	 * @return void
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public static function set_TXN_ID(EE_Line_Item $line_item, $transaction = null)
+	{
+		if ($transaction) {
+			/** @type EEM_Transaction $EEM_Transaction */
+			$EEM_Transaction = EE_Registry::instance()->load_model('Transaction');
+			$TXN_ID          = $EEM_Transaction->ensure_is_ID($transaction);
+			$line_item->set_TXN_ID($TXN_ID);
+		}
+	}
+
+
+	/**
+	 * Creates a new default total line item for the transaction,
+	 * and its tickets subtotal and taxes subtotal line items (and adds the
+	 * existing taxes as children of the taxes subtotal line item)
+	 *
+	 * @param EE_Transaction $transaction
+	 * @return EE_Line_Item of type total
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public static function create_total_line_item($transaction = null)
+	{
+		$total_line_item = EE_Line_Item::new_instance(
+			[
+				'LIN_code' => 'total',
+				'LIN_name' => esc_html__('Grand Total', 'event_espresso'),
+				'LIN_type' => EEM_Line_Item::type_total,
+				'OBJ_type' => EEM_Line_Item::OBJ_TYPE_TRANSACTION,
+			]
+		);
+		$total_line_item = apply_filters(
+			'FHEE__EEH_Line_Item__create_total_line_item__total_line_item',
+			$total_line_item
+		);
+		self::set_TXN_ID($total_line_item, $transaction);
+		self::create_pre_tax_subtotal($total_line_item, $transaction);
+		self::create_taxes_subtotal($total_line_item, $transaction);
+		return $total_line_item;
+	}
+
+
+	/**
+	 * Creates a default items subtotal line item
+	 *
+	 * @param EE_Line_Item   $total_line_item
+	 * @param EE_Transaction $transaction
+	 * @return EE_Line_Item
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	protected static function create_pre_tax_subtotal(EE_Line_Item $total_line_item, $transaction = null)
+	{
+		$pre_tax_line_item = EE_Line_Item::new_instance(
+			[
+				'LIN_code' => 'pre-tax-subtotal',
+				'LIN_name' => esc_html__('Pre-Tax Subtotal', 'event_espresso'),
+				'LIN_type' => EEM_Line_Item::type_sub_total,
+			]
+		);
+		$pre_tax_line_item = apply_filters(
+			'FHEE__EEH_Line_Item__create_pre_tax_subtotal__pre_tax_line_item',
+			$pre_tax_line_item
+		);
+		self::set_TXN_ID($pre_tax_line_item, $transaction);
+		$total_line_item->add_child_line_item($pre_tax_line_item);
+		self::create_event_subtotal($pre_tax_line_item, $transaction);
+		return $pre_tax_line_item;
+	}
+
+
+	/**
+	 * Creates a line item for the taxes subtotal and finds all the tax prices
+	 * and applies taxes to it
+	 *
+	 * @param EE_Line_Item   $total_line_item of type EEM_Line_Item::type_total
+	 * @param EE_Transaction $transaction
+	 * @return EE_Line_Item
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	protected static function create_taxes_subtotal(EE_Line_Item $total_line_item, $transaction = null)
+	{
+		$tax_line_item = EE_Line_Item::new_instance(
+			[
+				'LIN_code'  => 'taxes',
+				'LIN_name'  => esc_html__('Taxes', 'event_espresso'),
+				'LIN_type'  => EEM_Line_Item::type_tax_sub_total,
+				'LIN_order' => 1000,// this should always come last
+			]
+		);
+		$tax_line_item = apply_filters(
+			'FHEE__EEH_Line_Item__create_taxes_subtotal__tax_line_item',
+			$tax_line_item
+		);
+		self::set_TXN_ID($tax_line_item, $transaction);
+		$total_line_item->add_child_line_item($tax_line_item);
+		// and lastly, add the actual taxes
+		self::apply_taxes($total_line_item);
+		return $tax_line_item;
+	}
+
+
+	/**
+	 * Creates a default items subtotal line item
+	 *
+	 * @param EE_Line_Item   $pre_tax_line_item
+	 * @param EE_Transaction $transaction
+	 * @param EE_Event       $event
+	 * @return EE_Line_Item
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public static function create_event_subtotal(EE_Line_Item $pre_tax_line_item, $transaction = null, $event = null)
+	{
+		$event_line_item = EE_Line_Item::new_instance(
+			[
+				'LIN_code' => self::get_event_code($event),
+				'LIN_name' => self::get_event_name($event),
+				'LIN_desc' => self::get_event_desc($event),
+				'LIN_type' => EEM_Line_Item::type_sub_total,
+				'OBJ_type' => EEM_Line_Item::OBJ_TYPE_EVENT,
+				'OBJ_ID'   => $event instanceof EE_Event ? $event->ID() : 0,
+			]
+		);
+		$event_line_item = apply_filters(
+			'FHEE__EEH_Line_Item__create_event_subtotal__event_line_item',
+			$event_line_item
+		);
+		self::set_TXN_ID($event_line_item, $transaction);
+		$pre_tax_line_item->add_child_line_item($event_line_item);
+		return $event_line_item;
+	}
+
+
+	/**
+	 * Gets what the event ticket's code SHOULD be
+	 *
+	 * @param EE_Event $event
+	 * @return string
+	 * @throws EE_Error|ReflectionException
+	 */
+	public static function get_event_code($event)
+	{
+		return 'event-' . ($event instanceof EE_Event ? $event->ID() : '0');
+	}
+
+
+	/**
+	 * Gets the event name
+	 *
+	 * @param EE_Event $event
+	 * @return string
+	 * @throws EE_Error
+	 */
+	public static function get_event_name($event)
+	{
+		return $event instanceof EE_Event
+			? mb_substr($event->name(), 0, 245)
+			: esc_html__('Event', 'event_espresso');
+	}
+
+
+	/**
+	 * Gets the event excerpt
+	 *
+	 * @param EE_Event $event
+	 * @return string
+	 * @throws EE_Error
+	 */
+	public static function get_event_desc($event)
+	{
+		return $event instanceof EE_Event ? $event->short_description() : '';
+	}
+
+
+	/**
+	 * Given the grand total line item and a ticket, finds the event sub-total
+	 * line item the ticket's purchase should be added onto
+	 *
+	 * @access public
+	 * @param EE_Line_Item $grand_total the grand total line item
+	 * @param EE_Ticket    $ticket
+	 * @return EE_Line_Item
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public static function get_event_line_item_for_ticket(EE_Line_Item $grand_total, EE_Ticket $ticket)
+	{
+		$first_datetime = $ticket->first_datetime();
+		if (! $first_datetime instanceof EE_Datetime) {
+			throw new EE_Error(
+				sprintf(
+					esc_html__('The supplied ticket (ID %d) has no datetimes', 'event_espresso'),
+					$ticket->ID()
+				)
+			);
+		}
+		$event = $first_datetime->event();
+		if (! $event instanceof EE_Event) {
+			throw new EE_Error(
+				sprintf(
+					esc_html__(
+						'The supplied ticket (ID %d) has no event data associated with it.',
+						'event_espresso'
+					),
+					$ticket->ID()
+				)
+			);
+		}
+		$events_sub_total = EEH_Line_Item::get_event_line_item($grand_total, $event);
+		if (! $events_sub_total instanceof EE_Line_Item) {
+			throw new EE_Error(
+				sprintf(
+					esc_html__(
+						'There is no events sub-total for ticket %s on total line item %d',
+						'event_espresso'
+					),
+					$ticket->ID(),
+					$grand_total->ID()
+				)
+			);
+		}
+		return $events_sub_total;
+	}
+
+
+	/**
+	 * Gets the event line item
+	 *
+	 * @param EE_Line_Item $grand_total
+	 * @param EE_Event     $event
+	 * @return EE_Line_Item for the event subtotal which is a child of $grand_total
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public static function get_event_line_item(EE_Line_Item $grand_total, $event)
+	{
+		/** @type EE_Event $event */
+		$event           = EEM_Event::instance()->ensure_is_obj($event, true);
+		$event_line_item = null;
+		$found           = false;
+		foreach (EEH_Line_Item::get_event_subtotals($grand_total) as $event_line_item) {
+			// default event subtotal, we should only ever find this the first time this method is called
+			if (! $event_line_item->OBJ_ID()) {
+				// let's use this! but first... set the event details
+				EEH_Line_Item::set_event_subtotal_details($event_line_item, $event);
+				$found = true;
+				break;
+			}
+			if ($event_line_item->OBJ_ID() === $event->ID()) {
+				// found existing line item for this event in the cart, so break out of loop and use this one
+				$found = true;
+				break;
+			}
+		}
+		if (! $found) {
+			// there is no event sub-total yet, so add it
+			$pre_tax_subtotal = EEH_Line_Item::get_pre_tax_subtotal($grand_total);
+			// create a new "event" subtotal below that
+			$event_line_item = EEH_Line_Item::create_event_subtotal($pre_tax_subtotal, null, $event);
+			// and set the event details
+			EEH_Line_Item::set_event_subtotal_details($event_line_item, $event);
+		}
+		return $event_line_item;
+	}
+
+
+	/**
+	 * Creates a default items subtotal line item
+	 *
+	 * @param EE_Line_Item   $event_line_item
+	 * @param EE_Event       $event
+	 * @param EE_Transaction $transaction
+	 * @return void
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public static function set_event_subtotal_details(
+		EE_Line_Item $event_line_item,
+		EE_Event $event,
+		$transaction = null
+	) {
+		if ($event instanceof EE_Event) {
+			$event_line_item->set_code(self::get_event_code($event));
+			$event_line_item->set_name(self::get_event_name($event));
+			$event_line_item->set_desc(self::get_event_desc($event));
+			$event_line_item->set_OBJ_ID($event->ID());
+		}
+		self::set_TXN_ID($event_line_item, $transaction);
+	}
+
+
+	/**
+	 * Finds what taxes should apply, adds them as tax line items under the taxes sub-total,
+	 * and recalculates the taxes sub-total and the grand total. Resets the taxes, so
+	 * any old taxes are removed
+	 *
+	 * @param EE_Line_Item $total_line_item of type EEM_Line_Item::type_total
+	 * @param bool         $update_txn_status
+	 * @return bool
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 * @throws RuntimeException
+	 */
+	public static function apply_taxes(EE_Line_Item $total_line_item, $update_txn_status = false)
+	{
+		/** @type EEM_Price $EEM_Price */
+		$EEM_Price = EE_Registry::instance()->load_model('Price');
+		// get array of taxes via Price Model
+		$ordered_taxes = $EEM_Price->get_all_prices_that_are_taxes();
+		ksort($ordered_taxes);
+		$taxes_line_item = self::get_taxes_subtotal($total_line_item);
+		// just to be safe, remove its old tax line items
+		$deleted = $taxes_line_item->delete_children_line_items();
+		$updates = false;
+		// loop thru taxes
+		foreach ($ordered_taxes as $order => $taxes) {
+			foreach ($taxes as $tax) {
+				if ($tax instanceof EE_Price) {
+					$tax_line_item = EE_Line_Item::new_instance(
+						[
+							'LIN_name'       => $tax->name(),
+							'LIN_desc'       => $tax->desc(),
+							'LIN_percent'    => $tax->amount(),
+							'LIN_is_taxable' => false,
+							'LIN_order'      => $order,
+							'LIN_total'      => 0,
+							'LIN_type'       => EEM_Line_Item::type_tax,
+							'OBJ_type'       => EEM_Line_Item::OBJ_TYPE_PRICE,
+							'OBJ_ID'         => $tax->ID(),
+						]
+					);
+					$tax_line_item = apply_filters(
+						'FHEE__EEH_Line_Item__apply_taxes__tax_line_item',
+						$tax_line_item
+					);
+					$updates       = $taxes_line_item->add_child_line_item($tax_line_item)
+						?
+						true
+						:
+						$updates;
+				}
+			}
+		}
+		// only recalculate totals if something changed
+		if ($deleted || $updates) {
+			$total_line_item->recalculate_total_including_taxes($update_txn_status);
+			return true;
+		}
+		return false;
+	}
+
+
+	/**
+	 * Ensures that taxes have been applied to the order, if not applies them.
+	 * Returns the total amount of tax
+	 *
+	 * @param EE_Line_Item $total_line_item of type EEM_Line_Item::type_total
+	 * @return float
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public static function ensure_taxes_applied($total_line_item)
+	{
+		$taxes_subtotal = self::get_taxes_subtotal($total_line_item);
+		if (! $taxes_subtotal->children()) {
+			self::apply_taxes($total_line_item);
+		}
+		return $taxes_subtotal->total();
+	}
+
+
+	/**
+	 * Deletes ALL children of the passed line item
+	 *
+	 * @param EE_Line_Item $parent_line_item
+	 * @return bool
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public static function delete_all_child_items(EE_Line_Item $parent_line_item)
+	{
+		$deleted = 0;
+		foreach ($parent_line_item->children() as $child_line_item) {
+			if ($child_line_item instanceof EE_Line_Item) {
+				$deleted += EEH_Line_Item::delete_all_child_items($child_line_item);
+				if ($child_line_item->ID()) {
+					$child_line_item->delete();
+					unset($child_line_item);
+				} else {
+					$parent_line_item->delete_child_line_item($child_line_item->code());
+				}
+				$deleted++;
+			}
+		}
+		return $deleted;
+	}
+
+
+	/**
+	 * Deletes the line items as indicated by the line item code(s) provided,
+	 * regardless of where they're found in the line item tree. Automatically
+	 * re-calculates the line item totals and updates the related transaction. But
+	 * DOES NOT automatically upgrade the transaction's registrations' final prices (which
+	 * should probably change because of this).
+	 * You should call EE_Registration_Processor::calculate_reg_final_prices_per_line_item()
+	 * after using this, to keep the registration final prices in-sync with the transaction's total.
+	 *
+	 * @param EE_Line_Item      $total_line_item of type EEM_Line_Item::type_total
+	 * @param array|bool|string $line_item_codes
+	 * @return int number of items successfully removed
+	 * @throws EE_Error|ReflectionException
+	 */
+	public static function delete_items(EE_Line_Item $total_line_item, $line_item_codes = false)
+	{
+		if ($total_line_item->type() !== EEM_Line_Item::type_total) {
+			EE_Error::doing_it_wrong(
+				'EEH_Line_Item::delete_items',
+				esc_html__(
+					'This static method should only be called with a TOTAL line item, otherwise we won\'t recalculate the totals correctly',
+					'event_espresso'
+				),
+				'4.6.18'
+			);
+		}
+		do_action('AHEE_log', __FILE__, __FUNCTION__, '');
+
+		// check if only a single line_item_id was passed
+		if (! empty($line_item_codes) && ! is_array($line_item_codes)) {
+			// place single line_item_id in an array to appear as multiple line_item_ids
+			$line_item_codes = [$line_item_codes];
+		}
+		$removals = 0;
+		// cycle thru line_item_ids
+		foreach ($line_item_codes as $line_item_id) {
+			$removals += $total_line_item->delete_child_line_item($line_item_id);
+		}
+
+		if ($removals > 0) {
+			$total_line_item->recalculate_taxes_and_tax_total();
+			return $removals;
+		} else {
+			return false;
+		}
+	}
+
+
+	/**
+	 * Overwrites the previous tax by clearing out the old taxes, and creates a new
+	 * tax and updates the total line item accordingly
+	 *
+	 * @param EE_Line_Item $total_line_item
+	 * @param float        $amount
+	 * @param string       $name
+	 * @param string       $description
+	 * @param string       $code
+	 * @param boolean      $add_to_existing_line_item
+	 *                          if true, and a duplicate line item with the same code is found,
+	 *                          $amount will be added onto it; otherwise will simply set the taxes to match $amount
+	 * @return EE_Line_Item the new tax line item created
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public static function set_total_tax_to(
+		EE_Line_Item $total_line_item,
+		$amount,
+		$name = null,
+		$description = null,
+		$code = null,
+		$add_to_existing_line_item = false
+	) {
+		$tax_subtotal  = self::get_taxes_subtotal($total_line_item);
+		$taxable_total = $total_line_item->taxable_total();
+
+		if ($add_to_existing_line_item) {
+			$new_tax = $tax_subtotal->get_child_line_item($code);
+			EEM_Line_Item::instance()->delete(
+				[['LIN_code' => ['!=', $code], 'LIN_parent' => $tax_subtotal->ID()]]
+			);
+		} else {
+			$new_tax = null;
+			$tax_subtotal->delete_children_line_items();
+		}
+		if ($new_tax) {
+			$new_tax->set_total($new_tax->total() + $amount);
+			$percent = $taxable_total ? $new_tax->total() / $taxable_total * 100 : 0;
+			$new_tax->set_percent(EEH_Line_Item::currencyFormatter()->roundForLocale($percent));
+		} else {
+			$percent = $taxable_total ? ($amount / $taxable_total * 100) : 0;
+			// no existing tax item. Create it
+			$new_tax = EE_Line_Item::new_instance(
+				[
+					'TXN_ID'      => $total_line_item->TXN_ID(),
+					'LIN_name'    => $name ? $name : esc_html__('Tax', 'event_espresso'),
+					'LIN_desc'    => $description ? $description : '',
+					'LIN_percent' => EEH_Line_Item::currencyFormatter()->roundForLocale($percent),
+					'LIN_total'   => $amount,
+					'LIN_parent'  => $tax_subtotal->ID(),
+					'LIN_type'    => EEM_Line_Item::type_tax,
+					'LIN_code'    => $code,
+				]
+			);
+		}
+
+		$new_tax = apply_filters(
+			'FHEE__EEH_Line_Item__set_total_tax_to__new_tax_subtotal',
+			$new_tax,
+			$total_line_item
+		);
+		$new_tax->save();
+		$tax_subtotal->set_total($new_tax->total());
+		$tax_subtotal->save();
+		$total_line_item->recalculate_total_including_taxes();
+		return $new_tax;
+	}
+
+
+	/**
+	 * Makes all the line items which are children of $line_item taxable (or not).
+	 * Does NOT save the line items
+	 *
+	 * @param EE_Line_Item $line_item
+	 * @param boolean      $taxable
+	 * @param string       $code_substring_for_whitelist if this string is part of the line item's code
+	 *                                                   it will be whitelisted (ie, except from becoming taxable)
+	 * @throws EE_Error|ReflectionException
+	 */
+	public static function set_line_items_taxable(
+		EE_Line_Item $line_item,
+		$taxable = true,
+		$code_substring_for_whitelist = null
+	) {
+		$whitelisted = false;
+		if ($code_substring_for_whitelist !== null) {
+			$whitelisted = strpos($line_item->code(), $code_substring_for_whitelist) !== false;
+		}
+		if (! $whitelisted && $line_item->is_line_item()) {
+			$line_item->set_is_taxable($taxable);
+		}
+		foreach ($line_item->children() as $child_line_item) {
+			EEH_Line_Item::set_line_items_taxable(
+				$child_line_item,
+				$taxable,
+				$code_substring_for_whitelist
+			);
+		}
+	}
+
+
+	/**
+	 * Gets all descendants that are event subtotals
+	 *
+	 * @param EE_Line_Item $parent_line_item - the line item to find descendants of
+	 * @return EE_Line_Item[]
+	 * @throws EE_Error|ReflectionException
+	 * @uses  EEH_Line_Item::get_subtotals_of_object_type()
+	 */
+	public static function get_event_subtotals(EE_Line_Item $parent_line_item)
+	{
+		return self::get_subtotals_of_object_type($parent_line_item, EEM_Line_Item::OBJ_TYPE_EVENT);
+	}
+
+
+	/**
+	 * Gets all descendants subtotals that match the supplied object type
+	 *
+	 * @param EE_Line_Item $parent_line_item - the line item to find descendants of
+	 * @param string       $obj_type
+	 * @return EE_Line_Item[]
+	 * @throws EE_Error|ReflectionException
+	 * @uses  EEH_Line_Item::_get_descendants_by_type_and_object_type()
+	 */
+	public static function get_subtotals_of_object_type(EE_Line_Item $parent_line_item, $obj_type = '')
+	{
+		return self::_get_descendants_by_type_and_object_type(
+			$parent_line_item,
+			EEM_Line_Item::type_sub_total,
+			$obj_type
+		);
+	}
+
+
+	/**
+	 * Gets all descendants that are tickets
+	 *
+	 * @param EE_Line_Item $parent_line_item - the line item to find descendants of
+	 * @return EE_Line_Item[]
+	 * @throws EE_Error|ReflectionException
+	 * @uses  EEH_Line_Item::get_line_items_of_object_type()
+	 */
+	public static function get_ticket_line_items(EE_Line_Item $parent_line_item)
+	{
+		return self::get_line_items_of_object_type(
+			$parent_line_item,
+			EEM_Line_Item::OBJ_TYPE_TICKET
+		);
+	}
+
+
+	/**
+	 * Gets all descendants subtotals that match the supplied object type
+	 *
+	 * @param EE_Line_Item $parent_line_item - the line item to find descendants of
+	 * @param string       $obj_type
+	 * @return EE_Line_Item[]
+	 * @throws EE_Error|ReflectionException
+	 * @uses  EEH_Line_Item::_get_descendants_by_type_and_object_type()
+	 */
+	public static function get_line_items_of_object_type(EE_Line_Item $parent_line_item, $obj_type = '')
+	{
+		return self::_get_descendants_by_type_and_object_type(
+			$parent_line_item,
+			EEM_Line_Item::type_line_item,
+			$obj_type
+		);
+	}
+
+
+	/**
+	 * Gets all the descendants (ie, children or children of children etc) that are of the type 'tax'
+	 *
+	 * @param EE_Line_Item $parent_line_item - the line item to find descendants of
+	 * @return EE_Line_Item[]
+	 * @throws EE_Error|ReflectionException
+	 * @uses  EEH_Line_Item::get_descendants_of_type()
+	 */
+	public static function get_tax_descendants(EE_Line_Item $parent_line_item)
+	{
+		return EEH_Line_Item::get_descendants_of_type(
+			$parent_line_item,
+			EEM_Line_Item::type_tax
+		);
+	}
+
+
+	/**
+	 * Gets all the real items purchased which are children of this item
+	 *
+	 * @param EE_Line_Item $parent_line_item - the line item to find descendants of
+	 * @return EE_Line_Item[]
+	 * @throws EE_Error|ReflectionException
+	 * @uses  EEH_Line_Item::get_descendants_of_type()
+	 */
+	public static function get_line_item_descendants(EE_Line_Item $parent_line_item)
+	{
+		return EEH_Line_Item::get_descendants_of_type(
+			$parent_line_item,
+			EEM_Line_Item::type_line_item
+		);
+	}
+
+
+	/**
+	 * Gets all descendants of supplied line item that match the supplied line item type
+	 *
+	 * @param EE_Line_Item $parent_line_item - the line item to find descendants of
+	 * @param string       $line_item_type   one of the EEM_Line_Item constants
+	 * @return EE_Line_Item[]
+	 * @throws EE_Error|ReflectionException
+	 * @uses  EEH_Line_Item::_get_descendants_by_type_and_object_type()
+	 */
+	public static function get_descendants_of_type(EE_Line_Item $parent_line_item, $line_item_type)
+	{
+		return self::_get_descendants_by_type_and_object_type($parent_line_item, $line_item_type);
+	}
+
+
+	/**
+	 * Gets all descendants of supplied line item that match the supplied line item type and possibly the object type
+	 * as well
+	 *
+	 * @param EE_Line_Item  $parent_line_item - the line item to find descendants of
+	 * @param string        $line_item_type   one of the EEM_Line_Item constants
+	 * @param string | NULL $obj_type         object model class name (minus prefix)
+	 *                                        or NULL to ignore object type when searching
+	 * @return EE_Line_Item[]
+	 * @throws EE_Error|ReflectionException
+	 */
+	protected static function _get_descendants_by_type_and_object_type(
+		EE_Line_Item $parent_line_item,
+		$line_item_type,
+		$obj_type = null
+	) {
+		$objects = [];
+		foreach ($parent_line_item->children() as $child_line_item) {
+			if ($child_line_item instanceof EE_Line_Item) {
+				if (
+					$child_line_item->type() === $line_item_type
+					&& (
+						$child_line_item->OBJ_type() === $obj_type || $obj_type === null
+					)
+				) {
+					$objects[] = $child_line_item;
+				} else {
+					// go-through-all-its children looking for more matches
+					$objects = array_merge(
+						$objects,
+						self::_get_descendants_by_type_and_object_type(
+							$child_line_item,
+							$line_item_type,
+							$obj_type
+						)
+					);
+				}
+			}
+		}
+		return $objects;
+	}
+
+
+	/**
+	 * Gets all descendants subtotals that match the supplied object type
+	 *
+	 * @param EE_Line_Item $parent_line_item - the line item to find descendants of
+	 * @param string       $OBJ_type         object type (like Event)
+	 * @param array        $OBJ_IDs          array of OBJ_IDs
+	 * @return EE_Line_Item[]
+	 * @throws EE_Error|ReflectionException
+	 * @uses  EEH_Line_Item::_get_descendants_by_type_and_object_type()
+	 */
+	public static function get_line_items_by_object_type_and_IDs(
+		EE_Line_Item $parent_line_item,
+		$OBJ_type = '',
+		$OBJ_IDs = []
+	) {
+		return self::_get_descendants_by_object_type_and_object_ID(
+			$parent_line_item,
+			$OBJ_type,
+			$OBJ_IDs
+		);
+	}
+
+
+	/**
+	 * Gets all descendants of supplied line item that match the supplied line item type and possibly the object type
+	 * as well
+	 *
+	 * @param EE_Line_Item $parent_line_item - the line item to find descendants of
+	 * @param string       $OBJ_type         object type (like Event)
+	 * @param array        $OBJ_IDs          array of OBJ_IDs
+	 * @return EE_Line_Item[]
+	 * @throws EE_Error|ReflectionException
+	 */
+	protected static function _get_descendants_by_object_type_and_object_ID(
+		EE_Line_Item $parent_line_item,
+		$OBJ_type,
+		$OBJ_IDs
+	) {
+		$objects = [];
+		foreach ($parent_line_item->children() as $child_line_item) {
+			if ($child_line_item instanceof EE_Line_Item) {
+				if (
+					$child_line_item->OBJ_type() === $OBJ_type
+					&& is_array($OBJ_IDs)
+					&& in_array($child_line_item->OBJ_ID(), $OBJ_IDs)
+				) {
+					$objects[] = $child_line_item;
+				} else {
+					// go-through-all-its children looking for more matches
+					$objects = array_merge(
+						$objects,
+						self::_get_descendants_by_object_type_and_object_ID(
+							$child_line_item,
+							$OBJ_type,
+							$OBJ_IDs
+						)
+					);
+				}
+			}
+		}
+		return $objects;
+	}
+
+
+	/**
+	 * Uses a breadth-first-search in order to find the nearest descendant of
+	 * the specified type and returns it, else NULL
+	 *
+	 * @param EE_Line_Item $parent_line_item - the line item to find descendants of
+	 * @param string       $type             like one of the EEM_Line_Item::type_*
+	 * @return EE_Line_Item
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 * @uses  EEH_Line_Item::_get_nearest_descendant()
+	 */
+	public static function get_nearest_descendant_of_type(EE_Line_Item $parent_line_item, $type)
+	{
+		return self::_get_nearest_descendant($parent_line_item, 'LIN_type', $type);
+	}
+
+
+	/**
+	 * Uses a breadth-first-search in order to find the nearest descendant
+	 * having the specified LIN_code and returns it, else NULL
+	 *
+	 * @param EE_Line_Item $parent_line_item - the line item to find descendants of
+	 * @param string       $code             any value used for LIN_code
+	 * @return EE_Line_Item
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 * @uses  EEH_Line_Item::_get_nearest_descendant()
+	 */
+	public static function get_nearest_descendant_having_code(EE_Line_Item $parent_line_item, $code)
+	{
+		return self::_get_nearest_descendant($parent_line_item, 'LIN_code', $code);
+	}
+
+
+	/**
+	 * Uses a breadth-first-search in order to find the nearest descendant
+	 * having the specified LIN_code and returns it, else NULL
+	 *
+	 * @param EE_Line_Item $parent_line_item - the line item to find descendants of
+	 * @param string       $search_field     name of EE_Line_Item property
+	 * @param string       $value            any value stored in $search_field
+	 * @return EE_Line_Item
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	protected static function _get_nearest_descendant(EE_Line_Item $parent_line_item, $search_field, $value)
+	{
+		foreach ($parent_line_item->children() as $child) {
+			if ($child->get($search_field) == $value) {
+				return $child;
+			}
+		}
+		foreach ($parent_line_item->children() as $child) {
+			$descendant_found = self::_get_nearest_descendant(
+				$child,
+				$search_field,
+				$value
+			);
+			if ($descendant_found) {
+				return $descendant_found;
+			}
+		}
+		return null;
+	}
+
+
+	/**
+	 * if passed line item has a TXN ID, uses that to jump directly to the grand total line item for the transaction,
+	 * else recursively walks up the line item tree until a parent of type total is found,
+	 *
+	 * @param EE_Line_Item $line_item
+	 * @return EE_Line_Item
+	 * @throws EE_Error|ReflectionException
+	 */
+	public static function find_transaction_grand_total_for_line_item(EE_Line_Item $line_item)
+	{
+		if ($line_item->TXN_ID()) {
+			$total_line_item = $line_item->transaction()->total_line_item(false);
+			if ($total_line_item instanceof EE_Line_Item) {
+				return $total_line_item;
+			}
+		} else {
+			$line_item_parent = $line_item->parent();
+			if ($line_item_parent instanceof EE_Line_Item) {
+				if ($line_item_parent->is_total()) {
+					return $line_item_parent;
+				}
+				return EEH_Line_Item::find_transaction_grand_total_for_line_item($line_item_parent);
+			}
+		}
+		throw new EE_Error(
+			sprintf(
+				esc_html__(
+					'A valid grand total for line item %1$d was not found.',
+					'event_espresso'
+				),
+				$line_item->ID()
+			)
+		);
+	}
+
+
+	/**
+	 * Prints out a representation of the line item tree
+	 *
+	 * @param EE_Line_Item $line_item
+	 * @param int          $indentation
+	 * @return void
+	 * @throws EE_Error|ReflectionException
+	 */
+	public static function visualize(EE_Line_Item $line_item, $indentation = 0)
+	{
+		echo defined('EE_TESTS_DIR') ? "\n" : '<br />';
+		if (! $indentation) {
+			echo defined('EE_TESTS_DIR') ? "\n" : '<br />';
+		}
+		for ($i = 0; $i < $indentation; $i++) {
+			echo '. ';
+		}
+		$breakdown = '';
+		if ($line_item->is_line_item()) {
+			if ($line_item->is_percent()) {
+				$breakdown = "{$line_item->percent()}%";
+			} else {
+				$breakdown = '$' . "{$line_item->unit_price()} x {$line_item->quantity()}";
+			}
+		}
+		echo wp_kses($line_item->name(), AllowedTags::getAllowedTags());
+		echo " [ ID:{$line_item->ID()} | qty:{$line_item->quantity()} ] {$line_item->type()} : ";
+		echo '$' . (string) $line_item->total();
+		if ($breakdown) {
+			echo " ( {$breakdown} )";
+		}
+		if ($line_item->is_taxable()) {
+			echo '  * taxable';
+		}
+		if ($line_item->children()) {
+			foreach ($line_item->children() as $child) {
+				self::visualize($child, $indentation + 1);
+			}
+		}
+	}
+
+
+	/**
+	 * Calculates the registration's final price, taking into account that they
+	 * need to not only help pay for their OWN ticket, but also any transaction-wide surcharges and taxes,
+	 * and receive a portion of any transaction-wide discounts.
+	 * eg1, if I buy a $1 ticket and brent buys a $9 ticket, and we receive a $5 discount
+	 * then I'll get 1/10 of that $5 discount, which is $0.50, and brent will get
+	 * 9/10ths of that $5 discount, which is $4.50. So my final price should be $0.50
+	 * and brent's final price should be $5.50.
+	 * In order to do this, we basically need to traverse the line item tree calculating
+	 * the running totals (just as if we were recalculating the total), but when we identify
+	 * regular line items, we need to keep track of their share of the grand total.
+	 * Also, we need to keep track of the TAXABLE total for each ticket purchase, so
+	 * we can know how to apply taxes to it. (Note: "taxable total" does not equal the "pretax total"
+	 * when there are non-taxable items; otherwise they would be the same)
+	 *
+	 * @param EE_Line_Item $line_item
+	 * @param array        $billable_ticket_quantities          array of EE_Ticket IDs and their corresponding quantity
+	 *                                                          that can be included in price calculations at this
+	 *                                                          moment
+	 * @return array        keys are line items for tickets IDs and values are their share of the running total,
+	 *                                                          plus the key 'total', and 'taxable' which also has keys
+	 *                                                          of all the ticket IDs. Eg array(
+	 *                                                          12 => 4.3
+	 *                                                          23 => 8.0
+	 *                                                          'total' => 16.6,
+	 *                                                          'taxable' => array(
+	 *                                                          12 => 10,
+	 *                                                          23 => 4
+	 *                                                          ).
+	 *                                                          So to find which registrations have which final price,
+	 *                                                          we need to find which line item is theirs, which can be
+	 *                                                          done with
+	 *                                                          `EEM_Line_Item::instance()->get_line_item_for_registration(
+	 *                                                          $registration );`
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public static function calculate_reg_final_prices_per_line_item(
+		EE_Line_Item $line_item,
+		$billable_ticket_quantities = []
+	) {
+		$running_totals = [
+			'total'   => 0,
+			'taxable' => ['total' => 0],
+		];
+		foreach ($line_item->children() as $child_line_item) {
+			switch ($child_line_item->type()) {
+				case EEM_Line_Item::type_sub_total:
+					$running_totals_from_subtotal = EEH_Line_Item::calculate_reg_final_prices_per_line_item(
+						$child_line_item,
+						$billable_ticket_quantities
+					);
+					// combine arrays but preserve numeric keys
+					$running_totals                     =
+						array_replace_recursive($running_totals_from_subtotal, $running_totals);
+					$running_totals['total']            += $running_totals_from_subtotal['total'];
+					$running_totals['taxable']['total'] += $running_totals_from_subtotal['taxable']['total'];
+					break;
+
+				case EEM_Line_Item::type_tax_sub_total:
+					// find how much the taxes percentage is
+					if ($child_line_item->percent() !== 0) {
+						$tax_percent_decimal = $child_line_item->percent(true);
+					} else {
+						$tax_percent_decimal =
+							EEH_Line_Item::currencyFormatter()->roundForLocale(
+								EE_Taxes::get_total_taxes_percentage() / 100
+							);
+					}
+					// and apply to all the taxable totals, and add to the pretax totals
+					foreach ($running_totals as $line_item_id => $this_running_total) {
+						// "total" and "taxable" array key is an exception
+						if ($line_item_id === 'taxable') {
+							continue;
+						}
+						$taxable_total                   = $running_totals['taxable'][ $line_item_id ];
+						$running_totals[ $line_item_id ] += EEH_Line_Item::currencyFormatter()->roundForLocale(
+							$taxable_total * $tax_percent_decimal
+						);
+					}
+					break;
+
+				case EEM_Line_Item::type_line_item:
+					// ticket line items or ????
+					if ($child_line_item->OBJ_type() === EEM_Line_Item::OBJ_TYPE_TICKET) {
+						// kk it's a ticket
+						if (isset($running_totals[ $child_line_item->ID() ])) {
+							// huh? that shouldn't happen.
+							$running_totals['total'] += $child_line_item->total();
+						} else {
+							// its not in our running totals yet. great.
+							if ($child_line_item->is_taxable()) {
+								$taxable_amount = $child_line_item->unit_price();
+							} else {
+								$taxable_amount = 0;
+							}
+							// are we only calculating totals for some tickets?
+							if (isset($billable_ticket_quantities[ $child_line_item->OBJ_ID() ])) {
+								$quantity                                            =
+									$billable_ticket_quantities[ $child_line_item->OBJ_ID() ];
+								$running_totals[ $child_line_item->ID() ]            = $quantity
+									? $child_line_item->unit_price()
+									: 0;
+								$running_totals['taxable'][ $child_line_item->ID() ] = $quantity
+									? $taxable_amount
+									: 0;
+							} else {
+								$quantity                                            = $child_line_item->quantity();
+								$running_totals[ $child_line_item->ID() ]            = $child_line_item->unit_price();
+								$running_totals['taxable'][ $child_line_item->ID() ] = $taxable_amount;
+							}
+							$running_totals['taxable']['total'] += $taxable_amount * $quantity;
+							$running_totals['total']            += $child_line_item->unit_price() * $quantity;
+						}
+					} else {
+						// it's some other type of item added to the cart
+						// it should affect the running totals
+						// basically we want to convert it into a PERCENT modifier. Because
+						// more clearly affect all registration's final price equally
+						$line_items_percent_of_running_total = $running_totals['total'] > 0
+							? EEH_Line_Item::currencyFormatter()->roundForLocale(
+								$child_line_item->total() / $running_totals['total']
+							) + 1
+							: 1;
+						foreach ($running_totals as $line_item_id => $this_running_total) {
+							// the "taxable" array key is an exception
+							if ($line_item_id === 'taxable') {
+								continue;
+							}
+							// update the running totals
+							// yes this actually even works for the running grand total!
+							$running_totals[ $line_item_id ] = EEH_Line_Item::currencyFormatter()->roundForLocale(
+								$line_items_percent_of_running_total * $this_running_total
+							);
+
+							if ($child_line_item->is_taxable()) {
+								$running_totals['taxable'][ $line_item_id ] =
+									EEH_Line_Item::currencyFormatter()->roundForLocale(
+										$line_items_percent_of_running_total * $running_totals['taxable'][ $line_item_id ]
+									);
+							}
+						}
+					}
+					break;
+			}
+		}
+		return $running_totals;
+	}
+
+
+	/**
+	 * @param EE_Line_Item $total_line_item
+	 * @param EE_Line_Item $ticket_line_item
+	 * @return float | null
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws OutOfRangeException
+	 * @throws ReflectionException
+	 */
+	public static function calculate_final_price_for_ticket_line_item(
+		EE_Line_Item $total_line_item,
+		EE_Line_Item $ticket_line_item
+	) {
+		static $final_prices_per_ticket_line_item = [];
+		if (empty($final_prices_per_ticket_line_item[ $total_line_item->ID() ])) {
+			$final_prices_per_ticket_line_item[ $total_line_item->ID() ] =
+				EEH_Line_Item::calculate_reg_final_prices_per_line_item(
+					$total_line_item
+				);
+		}
+		// ok now find this new registration's final price
+		if (isset($final_prices_per_ticket_line_item[ $total_line_item->ID() ][ $ticket_line_item->ID() ])) {
+			return $final_prices_per_ticket_line_item[ $total_line_item->ID() ][ $ticket_line_item->ID() ];
+		}
+		$message = sprintf(
+			esc_html__(
+				'The final price for the ticket line item (ID:%1$d) could not be calculated.',
+				'event_espresso'
+			),
+			$ticket_line_item->ID()
+		);
+		if (WP_DEBUG) {
+			$message .= '<br>' . print_r($final_prices_per_ticket_line_item, true);
+			throw new OutOfRangeException($message);
+		}
+		EE_Log::instance()->log(__CLASS__, __FUNCTION__, $message);
+		return null;
+	}
+
+
+	/**
+	 * Creates a duplicate of the line item tree, except only includes billable items
+	 * and the portion of line items attributed to billable things
+	 *
+	 * @param EE_Line_Item      $line_item
+	 * @param EE_Registration[] $registrations
+	 * @return EE_Line_Item
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public static function billable_line_item_tree(EE_Line_Item $line_item, $registrations)
+	{
+		$copy_li = EEH_Line_Item::billable_line_item($line_item, $registrations);
+		foreach ($line_item->children() as $child_li) {
+			$copy_li->add_child_line_item(
+				EEH_Line_Item::billable_line_item_tree($child_li, $registrations)
+			);
+		}
+		// if this is the grand total line item, make sure the totals all add up
+		// (we could have duplicated this logic AS we copied the line items, but
+		// it seems DRYer this way)
+		if ($copy_li->type() === EEM_Line_Item::type_total) {
+			$copy_li->recalculate_total_including_taxes();
+		}
+		return $copy_li;
+	}
+
+
+	/**
+	 * Creates a new, unsaved line item from $line_item that factors in the
+	 * number of billable registrations on $registrations.
+	 *
+	 * @param EE_Line_Item      $line_item
+	 * @param EE_Registration[] $registrations
+	 * @return EE_Line_Item
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public static function billable_line_item(EE_Line_Item $line_item, $registrations)
+	{
+		$new_li_fields = $line_item->model_field_array();
+		if (
+			$line_item->type() === EEM_Line_Item::type_line_item
+			&& $line_item->OBJ_type() === EEM_Line_Item::OBJ_TYPE_TICKET
+		) {
+			$count = 0;
+			foreach ($registrations as $registration) {
+				if (
+					$line_item->OBJ_ID() === $registration->ticket_ID() &&
+					in_array(
+						$registration->status_ID(),
+						EEM_Registration::reg_statuses_that_allow_payment(),
+						true
+					)
+				) {
+					$count++;
+				}
+			}
+			$new_li_fields['LIN_quantity'] = $count;
+		}
+		// don't set the total. We'll leave that up to the code that calculates it
+		unset($new_li_fields['LIN_ID'], $new_li_fields['LIN_parent'], $new_li_fields['LIN_total']);
+		return EE_Line_Item::new_instance($new_li_fields);
+	}
+
+
+	/**
+	 * Returns a modified line item tree where all the subtotals which have a total of 0
+	 * are removed, and line items with a quantity of 0
+	 *
+	 * @param EE_Line_Item $line_item |null
+	 * @return EE_Line_Item|null
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public static function non_empty_line_items(EE_Line_Item $line_item)
+	{
+		$copied_li = EEH_Line_Item::non_empty_line_item($line_item);
+		if ($copied_li === null) {
+			return null;
+		}
+		// if this is an event subtotal, we want to only include it if it
+		// has a non-zero total and at least one ticket line item child
+		$ticket_children = 0;
+		foreach ($line_item->children() as $child_li) {
+			$child_li_copy = EEH_Line_Item::non_empty_line_items($child_li);
+			if ($child_li_copy !== null) {
+				$copied_li->add_child_line_item($child_li_copy);
+				if (
+					$child_li_copy->type() === EEM_Line_Item::type_line_item
+					&& $child_li_copy->OBJ_type() === EEM_Line_Item::OBJ_TYPE_TICKET
+				) {
+					$ticket_children++;
+				}
+			}
+		}
+		// if this is an event subtotal with NO ticket children
+		// we basically want to ignore it
+		if (
+			$ticket_children === 0
+			&& $line_item->type() === EEM_Line_Item::type_sub_total
+			&& $line_item->OBJ_type() === EEM_Line_Item::OBJ_TYPE_EVENT
+			&& $line_item->total() === 0
+		) {
+			return null;
+		}
+		return $copied_li;
+	}
+
+
+	/**
+	 * Creates a new, unsaved line item, but if it's a ticket line item
+	 * with a total of 0, or a subtotal of 0, returns null instead
+	 *
+	 * @param EE_Line_Item $line_item
+	 * @return EE_Line_Item
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public static function non_empty_line_item(EE_Line_Item $line_item)
+	{
+		if (
+			$line_item->type() === EEM_Line_Item::type_line_item
+			&& $line_item->OBJ_type() === EEM_Line_Item::OBJ_TYPE_TICKET
+			&& $line_item->quantity() === 0
+		) {
+			return null;
+		}
+		$new_li_fields = $line_item->model_field_array();
+		// don't set the total. We'll leave that up to the code that calculates it
+		unset($new_li_fields['LIN_ID'], $new_li_fields['LIN_parent']);
+		return EE_Line_Item::new_instance($new_li_fields);
+	}
+
+
+	/**
+	 * Cycles through all of the ticket line items for the supplied total line item
+	 * and ensures that the line item's "is_taxable" field matches that of its corresponding ticket
+	 *
+	 * @param EE_Line_Item $total_line_item
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 * @since 4.9.79.p
+	 */
+	public static function resetIsTaxableForTickets(EE_Line_Item $total_line_item)
+	{
+		$ticket_line_items = self::get_ticket_line_items($total_line_item);
+		foreach ($ticket_line_items as $ticket_line_item) {
+			if (
+				$ticket_line_item instanceof EE_Line_Item
+				&& $ticket_line_item->OBJ_type() === EEM_Line_Item::OBJ_TYPE_TICKET
+			) {
+				$ticket = $ticket_line_item->ticket();
+				if ($ticket instanceof EE_Ticket && $ticket->taxable() !== $ticket_line_item->is_taxable()) {
+					$ticket_line_item->set_is_taxable($ticket->taxable());
+					$ticket_line_item->save();
+				}
+			}
+		}
+	}
+
+
+
+	/**************************************** @DEPRECATED METHODS *************************************** */
+	/**
+	 * @param EE_Line_Item $total_line_item
+	 * @return EE_Line_Item
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 * @deprecated
+	 */
+	public static function get_items_subtotal(EE_Line_Item $total_line_item)
+	{
+		EE_Error::doing_it_wrong(
+			'EEH_Line_Item::get_items_subtotal()',
+			sprintf(
+				esc_html__('Method replaced with %1$s', 'event_espresso'),
+				'EEH_Line_Item::get_pre_tax_subtotal()'
+			),
+			'4.6.0'
+		);
+		return self::get_pre_tax_subtotal($total_line_item);
+	}
+
+
+	/**
+	 * @param EE_Transaction $transaction
+	 * @return EE_Line_Item
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 * @deprecated
+	 */
+	public static function create_default_total_line_item($transaction = null)
+	{
+		EE_Error::doing_it_wrong(
+			'EEH_Line_Item::create_default_total_line_item()',
+			sprintf(
+				esc_html__('Method replaced with %1$s', 'event_espresso'),
+				'EEH_Line_Item::create_total_line_item()'
+			),
+			'4.6.0'
+		);
+		return self::create_total_line_item($transaction);
+	}
+
+
+	/**
+	 * @param EE_Line_Item   $total_line_item
+	 * @param EE_Transaction $transaction
+	 * @return EE_Line_Item
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 * @deprecated
+	 */
+	public static function create_default_tickets_subtotal(EE_Line_Item $total_line_item, $transaction = null)
+	{
+		EE_Error::doing_it_wrong(
+			'EEH_Line_Item::create_default_tickets_subtotal()',
+			sprintf(
+				esc_html__('Method replaced with %1$s', 'event_espresso'),
+				'EEH_Line_Item::create_pre_tax_subtotal()'
+			),
+			'4.6.0'
+		);
+		return self::create_pre_tax_subtotal($total_line_item, $transaction);
+	}
+
+
+	/**
+	 * @param EE_Line_Item   $total_line_item
+	 * @param EE_Transaction $transaction
+	 * @return EE_Line_Item
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 * @deprecated
+	 */
+	public static function create_default_taxes_subtotal(EE_Line_Item $total_line_item, $transaction = null)
+	{
+		EE_Error::doing_it_wrong(
+			'EEH_Line_Item::create_default_taxes_subtotal()',
+			sprintf(
+				esc_html__('Method replaced with %1$s', 'event_espresso'),
+				'EEH_Line_Item::create_taxes_subtotal()'
+			),
+			'4.6.0'
+		);
+		return self::create_taxes_subtotal($total_line_item, $transaction);
+	}
+
+
+	/**
+	 * @param EE_Line_Item   $total_line_item
+	 * @param EE_Transaction $transaction
+	 * @return EE_Line_Item
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 * @deprecated
+	 */
+	public static function create_default_event_subtotal(EE_Line_Item $total_line_item, $transaction = null)
+	{
+		EE_Error::doing_it_wrong(
+			'EEH_Line_Item::create_default_event_subtotal()',
+			sprintf(
+				esc_html__('Method replaced with %1$s', 'event_espresso'),
+				'EEH_Line_Item::create_event_subtotal()'
+			),
+			'4.6.0'
+		);
+		return self::create_event_subtotal($total_line_item, $transaction);
+	}
 }

Spacing +42 added lines, -42 removed lines

@@ -30,7 +30,7 @@ 
     private static function currencyFormatter()
     {
         static $currency_formatter;
-        if (! $currency_formatter instanceof CurrencyFormatter) {
+        if ( ! $currency_formatter instanceof CurrencyFormatter) {
             $currency_formatter = LoaderFactory::getLoader()->getShared(CurrencyFormatter::class);
         }
         return $currency_formatter;
@@ -83,7 +83,7 @@ 
                 'LIN_code'       => $code,
             ]
         );
-        $line_item      = apply_filters(
+        $line_item = apply_filters(
             'FHEE__EEH_Line_Item__add_unrelated_item__line_item',
             $line_item,
             $parent_line_item
@@ -161,7 +161,7 @@ 
      */
     public static function add_ticket_purchase(EE_Line_Item $total_line_item, EE_Ticket $ticket, $qty = 1)
     {
-        if (! $total_line_item instanceof EE_Line_Item || ! $total_line_item->is_total()) {
+        if ( ! $total_line_item instanceof EE_Line_Item || ! $total_line_item->is_total()) {
             throw new EE_Error(
                 sprintf(
                     esc_html__(
@@ -176,7 +176,7 @@ 
         // either increment the qty for an existing ticket
         $line_item = self::increment_ticket_qty_if_already_in_cart($total_line_item, $ticket, $qty);
         // or add a new one
-        if (! $line_item instanceof EE_Line_Item) {
+        if ( ! $line_item instanceof EE_Line_Item) {
             $line_item = self::create_ticket_line_item($total_line_item, $ticket, $qty);
         }
         $total_line_item->recalculate_total_including_taxes();
@@ -238,7 +238,7 @@ 
      */
     public static function increment_quantity(EE_Line_Item $line_item, $qty = 1)
     {
-        if (! $line_item->is_percent()) {
+        if ( ! $line_item->is_percent()) {
             $qty += $line_item->quantity();
             $line_item->set_quantity($qty);
             $line_item->set_total($line_item->unit_price() * $qty);
@@ -267,7 +267,7 @@ 
      */
     public static function decrement_quantity(EE_Line_Item $line_item, $qty = 1)
     {
-        if (! $line_item->is_percent()) {
+        if ( ! $line_item->is_percent()) {
             $qty = $line_item->quantity() - $qty;
             $qty = max($qty, 0);
             $line_item->set_quantity($qty);
@@ -296,7 +296,7 @@ 
      */
     public static function update_quantity(EE_Line_Item $line_item, $new_quantity)
     {
-        if (! $line_item->is_percent()) {
+        if ( ! $line_item->is_percent()) {
             $line_item->set_quantity($new_quantity);
             $line_item->set_total($line_item->unit_price() * $new_quantity);
             $line_item->save();
@@ -337,7 +337,7 @@ 
         $line_item = EE_Line_Item::new_instance(
             [
                 'LIN_name'       => $ticket->name(),
-                'LIN_desc'       => $ticket->description() !== '' ? $ticket->description() . ' ' . $event : $event,
+                'LIN_desc'       => $ticket->description() !== '' ? $ticket->description().' '.$event : $event,
                 'LIN_unit_price' => $ticket->price(),
                 'LIN_quantity'   => $qty,
                 'LIN_is_taxable' => $ticket->taxable(),
@@ -494,7 +494,7 @@ 
                             'event_espresso'
                         ),
                         $ticket_line_item->name(),
-                        current_time(get_option('date_format') . ' ' . get_option('time_format'))
+                        current_time(get_option('date_format').' '.get_option('time_format'))
                     ),
                     'LIN_unit_price' => 0, // $ticket_line_item->unit_price()
                     'LIN_quantity'   => $qty,
@@ -558,7 +558,7 @@ 
         );
         $cancellation_line_item = reset($cancellation_line_item);
         // verify that this ticket was indeed previously cancelled
-        if (! $cancellation_line_item instanceof EE_Line_Item) {
+        if ( ! $cancellation_line_item instanceof EE_Line_Item) {
             return false;
         }
         if ($cancellation_line_item->quantity() > $qty) {
@@ -769,7 +769,7 @@ 
                 'LIN_code'  => 'taxes',
                 'LIN_name'  => esc_html__('Taxes', 'event_espresso'),
                 'LIN_type'  => EEM_Line_Item::type_tax_sub_total,
-                'LIN_order' => 1000,// this should always come last
+                'LIN_order' => 1000, // this should always come last
             ]
         );
         $tax_line_item = apply_filters(
@@ -828,7 +828,7 @@ 
      */
     public static function get_event_code($event)
     {
-        return 'event-' . ($event instanceof EE_Event ? $event->ID() : '0');
+        return 'event-'.($event instanceof EE_Event ? $event->ID() : '0');
     }
 
 
@@ -877,7 +877,7 @@ 
     public static function get_event_line_item_for_ticket(EE_Line_Item $grand_total, EE_Ticket $ticket)
     {
         $first_datetime = $ticket->first_datetime();
-        if (! $first_datetime instanceof EE_Datetime) {
+        if ( ! $first_datetime instanceof EE_Datetime) {
             throw new EE_Error(
                 sprintf(
                     esc_html__('The supplied ticket (ID %d) has no datetimes', 'event_espresso'),
@@ -886,7 +886,7 @@ 
             );
         }
         $event = $first_datetime->event();
-        if (! $event instanceof EE_Event) {
+        if ( ! $event instanceof EE_Event) {
             throw new EE_Error(
                 sprintf(
                     esc_html__(
@@ -898,7 +898,7 @@ 
             );
         }
         $events_sub_total = EEH_Line_Item::get_event_line_item($grand_total, $event);
-        if (! $events_sub_total instanceof EE_Line_Item) {
+        if ( ! $events_sub_total instanceof EE_Line_Item) {
             throw new EE_Error(
                 sprintf(
                     esc_html__(
@@ -934,7 +934,7 @@ 
         $found           = false;
         foreach (EEH_Line_Item::get_event_subtotals($grand_total) as $event_line_item) {
             // default event subtotal, we should only ever find this the first time this method is called
-            if (! $event_line_item->OBJ_ID()) {
+            if ( ! $event_line_item->OBJ_ID()) {
                 // let's use this! but first... set the event details
                 EEH_Line_Item::set_event_subtotal_details($event_line_item, $event);
                 $found = true;
@@ -946,7 +946,7 @@ 
                 break;
             }
         }
-        if (! $found) {
+        if ( ! $found) {
             // there is no event sub-total yet, so add it
             $pre_tax_subtotal = EEH_Line_Item::get_pre_tax_subtotal($grand_total);
             // create a new "event" subtotal below that
@@ -1033,7 +1033,7 @@ 
                         'FHEE__EEH_Line_Item__apply_taxes__tax_line_item',
                         $tax_line_item
                     );
-                    $updates       = $taxes_line_item->add_child_line_item($tax_line_item)
+                    $updates = $taxes_line_item->add_child_line_item($tax_line_item)
                         ?
                         true
                         :
@@ -1065,7 +1065,7 @@ 
     public static function ensure_taxes_applied($total_line_item)
     {
         $taxes_subtotal = self::get_taxes_subtotal($total_line_item);
-        if (! $taxes_subtotal->children()) {
+        if ( ! $taxes_subtotal->children()) {
             self::apply_taxes($total_line_item);
         }
         return $taxes_subtotal->total();
@@ -1131,7 +1131,7 @@ 
         do_action('AHEE_log', __FILE__, __FUNCTION__, '');
 
         // check if only a single line_item_id was passed
-        if (! empty($line_item_codes) && ! is_array($line_item_codes)) {
+        if ( ! empty($line_item_codes) && ! is_array($line_item_codes)) {
             // place single line_item_id in an array to appear as multiple line_item_ids
             $line_item_codes = [$line_item_codes];
         }
@@ -1242,7 +1242,7 @@ 
         if ($code_substring_for_whitelist !== null) {
             $whitelisted = strpos($line_item->code(), $code_substring_for_whitelist) !== false;
         }
-        if (! $whitelisted && $line_item->is_line_item()) {
+        if ( ! $whitelisted && $line_item->is_line_item()) {
             $line_item->set_is_taxable($taxable);
         }
         foreach ($line_item->children() as $child_line_item) {
@@ -1602,7 +1602,7 @@ 
     public static function visualize(EE_Line_Item $line_item, $indentation = 0)
     {
         echo defined('EE_TESTS_DIR') ? "\n" : '<br />';
-        if (! $indentation) {
+        if ( ! $indentation) {
             echo defined('EE_TESTS_DIR') ? "\n" : '<br />';
         }
         for ($i = 0; $i < $indentation; $i++) {
@@ -1613,12 +1613,12 @@ 
             if ($line_item->is_percent()) {
                 $breakdown = "{$line_item->percent()}%";
             } else {
-                $breakdown = '$' . "{$line_item->unit_price()} x {$line_item->quantity()}";
+                $breakdown = '$'."{$line_item->unit_price()} x {$line_item->quantity()}";
             }
         }
         echo wp_kses($line_item->name(), AllowedTags::getAllowedTags());
         echo " [ ID:{$line_item->ID()} | qty:{$line_item->quantity()} ] {$line_item->type()} : ";
-        echo '$' . (string) $line_item->total();
+        echo '$'.(string) $line_item->total();
         if ($breakdown) {
             echo " ( {$breakdown} )";
         }
@@ -1689,7 +1689,7 @@ 
                         $billable_ticket_quantities
                     );
                     // combine arrays but preserve numeric keys
-                    $running_totals                     =
+                    $running_totals =
                         array_replace_recursive($running_totals_from_subtotal, $running_totals);
                     $running_totals['total']            += $running_totals_from_subtotal['total'];
                     $running_totals['taxable']['total'] += $running_totals_from_subtotal['taxable']['total'];
@@ -1711,8 +1711,8 @@ 
                         if ($line_item_id === 'taxable') {
                             continue;
                         }
-                        $taxable_total                   = $running_totals['taxable'][ $line_item_id ];
-                        $running_totals[ $line_item_id ] += EEH_Line_Item::currencyFormatter()->roundForLocale(
+                        $taxable_total = $running_totals['taxable'][$line_item_id];
+                        $running_totals[$line_item_id] += EEH_Line_Item::currencyFormatter()->roundForLocale(
                             $taxable_total * $tax_percent_decimal
                         );
                     }
@@ -1722,7 +1722,7 @@ 
                     // ticket line items or ????
                     if ($child_line_item->OBJ_type() === EEM_Line_Item::OBJ_TYPE_TICKET) {
                         // kk it's a ticket
-                        if (isset($running_totals[ $child_line_item->ID() ])) {
+                        if (isset($running_totals[$child_line_item->ID()])) {
                             // huh? that shouldn't happen.
                             $running_totals['total'] += $child_line_item->total();
                         } else {
@@ -1733,19 +1733,19 @@ 
                                 $taxable_amount = 0;
                             }
                             // are we only calculating totals for some tickets?
-                            if (isset($billable_ticket_quantities[ $child_line_item->OBJ_ID() ])) {
+                            if (isset($billable_ticket_quantities[$child_line_item->OBJ_ID()])) {
                                 $quantity                                            =
-                                    $billable_ticket_quantities[ $child_line_item->OBJ_ID() ];
-                                $running_totals[ $child_line_item->ID() ]            = $quantity
+                                    $billable_ticket_quantities[$child_line_item->OBJ_ID()];
+                                $running_totals[$child_line_item->ID()]            = $quantity
                                     ? $child_line_item->unit_price()
                                     : 0;
-                                $running_totals['taxable'][ $child_line_item->ID() ] = $quantity
+                                $running_totals['taxable'][$child_line_item->ID()] = $quantity
                                     ? $taxable_amount
                                     : 0;
                             } else {
                                 $quantity                                            = $child_line_item->quantity();
-                                $running_totals[ $child_line_item->ID() ]            = $child_line_item->unit_price();
-                                $running_totals['taxable'][ $child_line_item->ID() ] = $taxable_amount;
+                                $running_totals[$child_line_item->ID()]            = $child_line_item->unit_price();
+                                $running_totals['taxable'][$child_line_item->ID()] = $taxable_amount;
                             }
                             $running_totals['taxable']['total'] += $taxable_amount * $quantity;
                             $running_totals['total']            += $child_line_item->unit_price() * $quantity;
@@ -1767,14 +1767,14 @@ 
                             }
                             // update the running totals
                             // yes this actually even works for the running grand total!
-                            $running_totals[ $line_item_id ] = EEH_Line_Item::currencyFormatter()->roundForLocale(
+                            $running_totals[$line_item_id] = EEH_Line_Item::currencyFormatter()->roundForLocale(
                                 $line_items_percent_of_running_total * $this_running_total
                             );
 
                             if ($child_line_item->is_taxable()) {
-                                $running_totals['taxable'][ $line_item_id ] =
+                                $running_totals['taxable'][$line_item_id] =
                                     EEH_Line_Item::currencyFormatter()->roundForLocale(
-                                        $line_items_percent_of_running_total * $running_totals['taxable'][ $line_item_id ]
+                                        $line_items_percent_of_running_total * $running_totals['taxable'][$line_item_id]
                                     );
                             }
                         }
@@ -1802,15 +1802,15 @@ 
         EE_Line_Item $ticket_line_item
     ) {
         static $final_prices_per_ticket_line_item = [];
-        if (empty($final_prices_per_ticket_line_item[ $total_line_item->ID() ])) {
-            $final_prices_per_ticket_line_item[ $total_line_item->ID() ] =
+        if (empty($final_prices_per_ticket_line_item[$total_line_item->ID()])) {
+            $final_prices_per_ticket_line_item[$total_line_item->ID()] =
                 EEH_Line_Item::calculate_reg_final_prices_per_line_item(
                     $total_line_item
                 );
         }
         // ok now find this new registration's final price
-        if (isset($final_prices_per_ticket_line_item[ $total_line_item->ID() ][ $ticket_line_item->ID() ])) {
-            return $final_prices_per_ticket_line_item[ $total_line_item->ID() ][ $ticket_line_item->ID() ];
+        if (isset($final_prices_per_ticket_line_item[$total_line_item->ID()][$ticket_line_item->ID()])) {
+            return $final_prices_per_ticket_line_item[$total_line_item->ID()][$ticket_line_item->ID()];
         }
         $message = sprintf(
             esc_html__(
@@ -1820,7 +1820,7 @@ 
             $ticket_line_item->ID()
         );
         if (WP_DEBUG) {
-            $message .= '<br>' . print_r($final_prices_per_ticket_line_item, true);
+            $message .= '<br>'.print_r($final_prices_per_ticket_line_item, true);
             throw new OutOfRangeException($message);
         }
         EE_Log::instance()->log(__CLASS__, __FUNCTION__, $message);

core/helpers/EEH_Money.helper.php

Indentation +272 added lines, -272 removed lines

@@ -14,299 +14,299 @@
  */
 class EEH_Money extends EEH_Base
 {
-    /**
-     * @var CurrencyFormatter
-     * @since   $VID:$
-     */
-    private static $currency_formatter;
+	/**
+	 * @var CurrencyFormatter
+	 * @since   $VID:$
+	 */
+	private static $currency_formatter;
 
 
-    /**
-     * @return CurrencyFormatter
-     * @since   $VID:$
-     */
-    private static function getCurrencyFormatter()
-    {
-        if (! EEH_Money::$currency_formatter instanceof CurrencyFormatter) {
-            EEH_Money::$currency_formatter = LoaderFactory::getLoader()->getShared(CurrencyFormatter::class);
-        }
-        return EEH_Money::$currency_formatter;
-    }
+	/**
+	 * @return CurrencyFormatter
+	 * @since   $VID:$
+	 */
+	private static function getCurrencyFormatter()
+	{
+		if (! EEH_Money::$currency_formatter instanceof CurrencyFormatter) {
+			EEH_Money::$currency_formatter = LoaderFactory::getLoader()->getShared(CurrencyFormatter::class);
+		}
+		return EEH_Money::$currency_formatter;
+	}
 
 
-    /**
-     * @param string $CNT_ISO
-     * @return Locale
-     * @throws EE_Error
-     * @since   $VID:$
-     */
-    private static function getLocaleForCountryISO($CNT_ISO)
-    {
-        $currency_config = EEH_Money::get_currency_config($CNT_ISO);
-        return EEH_Money::getCurrencyFormatter()->getLocaleForCurrencyISO($currency_config->code);
-    }
+	/**
+	 * @param string $CNT_ISO
+	 * @return Locale
+	 * @throws EE_Error
+	 * @since   $VID:$
+	 */
+	private static function getLocaleForCountryISO($CNT_ISO)
+	{
+		$currency_config = EEH_Money::get_currency_config($CNT_ISO);
+		return EEH_Money::getCurrencyFormatter()->getLocaleForCurrencyISO($currency_config->code);
+	}
 
 
-    /**
-     * @param float|int|string $money_value
-     * @param int|null         $format one of the CurrencyFormatter::FORMAT_* constants
-     * @param string|Locale    $locale locale name ex: en_US, en_CA, fr_CA, de_DE, etc, or Locale object
-     * @return string
-     * @since $VID:$
-     */
-    public static function formatForLocale(
-        $money_value,
-        $format = CurrencyFormatter::FORMAT_LOCALIZED_CURRENCY,
-        $locale = ''
-    ) {
-        return EEH_Money::getCurrencyFormatter()->formatForLocale($money_value, $format, null, $locale);
-    }
+	/**
+	 * @param float|int|string $money_value
+	 * @param int|null         $format one of the CurrencyFormatter::FORMAT_* constants
+	 * @param string|Locale    $locale locale name ex: en_US, en_CA, fr_CA, de_DE, etc, or Locale object
+	 * @return string
+	 * @since $VID:$
+	 */
+	public static function formatForLocale(
+		$money_value,
+		$format = CurrencyFormatter::FORMAT_LOCALIZED_CURRENCY,
+		$locale = ''
+	) {
+		return EEH_Money::getCurrencyFormatter()->formatForLocale($money_value, $format, null, $locale);
+	}
 
 
-    /**
-     * @param string|Locale $locale locale name ex: en_US, en_CA, fr_CA, de_DE, etc, or Locale object
-     * @return string ex: 'USD'
-     * @since $VID:$
-     */
-    public static function getCurrencyIsoCodeForLocale($locale = '')
-    {
-        return EEH_Money::getCurrencyFormatter()->getCurrencyIsoCodeForLocale($locale);
-    }
+	/**
+	 * @param string|Locale $locale locale name ex: en_US, en_CA, fr_CA, de_DE, etc, or Locale object
+	 * @return string ex: 'USD'
+	 * @since $VID:$
+	 */
+	public static function getCurrencyIsoCodeForLocale($locale = '')
+	{
+		return EEH_Money::getCurrencyFormatter()->getCurrencyIsoCodeForLocale($locale);
+	}
 
 
-    /**
-     * @param string|Locale $locale locale name ex: en_US, en_CA, fr_CA, de_DE, etc, or Locale object
-     * @return string ex: '$'
-     * @since $VID:$
-     */
-    public static function getCurrencySymbolForLocale($locale = '')
-    {
-        return EEH_Money::getCurrencyFormatter()->getCurrencySymbolForLocale($locale);
-    }
+	/**
+	 * @param string|Locale $locale locale name ex: en_US, en_CA, fr_CA, de_DE, etc, or Locale object
+	 * @return string ex: '$'
+	 * @since $VID:$
+	 */
+	public static function getCurrencySymbolForLocale($locale = '')
+	{
+		return EEH_Money::getCurrencyFormatter()->getCurrencySymbolForLocale($locale);
+	}
 
-    /**
-     * This removes all localized money formatting from the incoming value
-     * Note: uses this site's currency settings for deciding what is considered a
-     * "thousands separator" (usually the character "," )
-     * and what is a "decimal mark" (usually the character ".")
-     *
-     * @param int|float|string $money_value
-     * @param string           $CNT_ISO
-     * @return float
-     * @throws EE_Error
-     */
-    public static function strip_localized_money_formatting($money_value, $CNT_ISO = '')
-    {
-        $locale = EEH_Money::getLocaleForCountryISO($CNT_ISO);
-        return EEH_Money::getCurrencyFormatter()->parseForLocale($money_value, $locale);
-    }
+	/**
+	 * This removes all localized money formatting from the incoming value
+	 * Note: uses this site's currency settings for deciding what is considered a
+	 * "thousands separator" (usually the character "," )
+	 * and what is a "decimal mark" (usually the character ".")
+	 *
+	 * @param int|float|string $money_value
+	 * @param string           $CNT_ISO
+	 * @return float
+	 * @throws EE_Error
+	 */
+	public static function strip_localized_money_formatting($money_value, $CNT_ISO = '')
+	{
+		$locale = EEH_Money::getLocaleForCountryISO($CNT_ISO);
+		return EEH_Money::getCurrencyFormatter()->parseForLocale($money_value, $locale);
+	}
 
 
-    /**
-     * This converts an incoming localized money value into a standard float item (to three decimal places)
-     * Only use this if you know the $money_value follows your currency configuration's
-     * settings. Note: this uses this site's currency settings for deciding what is considered a
-     * "thousands separator" (usually the character "," )
-     * and what is a "decimal mark" (usually the character ".")
-     *
-     * @param int|string $money_value
-     * @return float
-     */
-    public static function convert_to_float_from_localized_money($money_value)
-    {
-        return EEH_Money::getCurrencyFormatter()->precisionRound(
-            EEH_Money::getCurrencyFormatter()->parseForLocale($money_value)
-        );
-    }
+	/**
+	 * This converts an incoming localized money value into a standard float item (to three decimal places)
+	 * Only use this if you know the $money_value follows your currency configuration's
+	 * settings. Note: this uses this site's currency settings for deciding what is considered a
+	 * "thousands separator" (usually the character "," )
+	 * and what is a "decimal mark" (usually the character ".")
+	 *
+	 * @param int|string $money_value
+	 * @return float
+	 */
+	public static function convert_to_float_from_localized_money($money_value)
+	{
+		return EEH_Money::getCurrencyFormatter()->precisionRound(
+			EEH_Money::getCurrencyFormatter()->parseForLocale($money_value)
+		);
+	}
 
 
-    /**
-     * For comparing floats. Default operator is '=', but see the $operator below for all options.
-     * This should be used to compare floats instead of normal '==' because floats
-     * are inherently imprecise, and so you can sometimes have two floats that appear to be identical
-     * but actually differ by 0.00000001.
-     *
-     * @see http://biostall.com/php-function-to-compare-floating-point-numbers
-     * @param float  $float1
-     * @param float  $float2
-     * @param string $operator The operator. Valid options are =, <=, <, >=, >, <>, eq, lt, lte, gt, gte, ne
-     * @return bool whether the equation is true or false
-     * @throws EE_Error
-     */
-    public static function compare_floats($float1, $float2, $operator = '=')
-    {
-        // Check numbers to 5 digits of precision
-        $epsilon = 0.00001;
-        $float1 = (float) $float1;
-        $float2 = (float) $float2;
-        switch ($operator) {
-            // equal
-            case "=":
-            case "==":
-            case "===":
-            case "eq":
-                if (abs($float1 - $float2) < $epsilon) {
-                    return true;
-                }
-                break;
-            // less than
-            case "<":
-            case "lt":
-                if (abs($float1 - $float2) < $epsilon) {
-                    return false;
-                } else {
-                    if ($float1 < $float2) {
-                        return true;
-                    }
-                }
-                break;
-            // less than or equal
-            case "<=":
-            case "lte":
-                if (
-                    EEH_Money::compare_floats($float1, $float2, '<')
-                    || EEH_Money::compare_floats($float1, $float2, '=')
-                ) {
-                    return true;
-                }
-                break;
-            // greater than
-            case ">":
-            case "gt":
-                if (abs($float1 - $float2) < $epsilon) {
-                    return false;
-                } else {
-                    if ($float1 > $float2) {
-                        return true;
-                    }
-                }
-                break;
-            // greater than or equal
-            case ">=":
-            case "gte":
-                if (
-                    EEH_Money::compare_floats($float1, $float2, '>')
-                    || EEH_Money::compare_floats($float1, $float2, '=')
-                ) {
-                    return true;
-                }
-                break;
-            case "<>":
-            case "!=":
-            case "ne":
-                if (abs($float1 - $float2) > $epsilon) {
-                    return true;
-                }
-                break;
-            default:
-                throw new EE_Error(
-                    sprintf(
-                        esc_html__(
-                            "Unknown operator %s in EEH_Money::compare_floats()",
-                            'event_espresso'
-                        ),
-                        $operator
-                    )
-                );
-        }
-        return false;
-    }
+	/**
+	 * For comparing floats. Default operator is '=', but see the $operator below for all options.
+	 * This should be used to compare floats instead of normal '==' because floats
+	 * are inherently imprecise, and so you can sometimes have two floats that appear to be identical
+	 * but actually differ by 0.00000001.
+	 *
+	 * @see http://biostall.com/php-function-to-compare-floating-point-numbers
+	 * @param float  $float1
+	 * @param float  $float2
+	 * @param string $operator The operator. Valid options are =, <=, <, >=, >, <>, eq, lt, lte, gt, gte, ne
+	 * @return bool whether the equation is true or false
+	 * @throws EE_Error
+	 */
+	public static function compare_floats($float1, $float2, $operator = '=')
+	{
+		// Check numbers to 5 digits of precision
+		$epsilon = 0.00001;
+		$float1 = (float) $float1;
+		$float2 = (float) $float2;
+		switch ($operator) {
+			// equal
+			case "=":
+			case "==":
+			case "===":
+			case "eq":
+				if (abs($float1 - $float2) < $epsilon) {
+					return true;
+				}
+				break;
+			// less than
+			case "<":
+			case "lt":
+				if (abs($float1 - $float2) < $epsilon) {
+					return false;
+				} else {
+					if ($float1 < $float2) {
+						return true;
+					}
+				}
+				break;
+			// less than or equal
+			case "<=":
+			case "lte":
+				if (
+					EEH_Money::compare_floats($float1, $float2, '<')
+					|| EEH_Money::compare_floats($float1, $float2, '=')
+				) {
+					return true;
+				}
+				break;
+			// greater than
+			case ">":
+			case "gt":
+				if (abs($float1 - $float2) < $epsilon) {
+					return false;
+				} else {
+					if ($float1 > $float2) {
+						return true;
+					}
+				}
+				break;
+			// greater than or equal
+			case ">=":
+			case "gte":
+				if (
+					EEH_Money::compare_floats($float1, $float2, '>')
+					|| EEH_Money::compare_floats($float1, $float2, '=')
+				) {
+					return true;
+				}
+				break;
+			case "<>":
+			case "!=":
+			case "ne":
+				if (abs($float1 - $float2) > $epsilon) {
+					return true;
+				}
+				break;
+			default:
+				throw new EE_Error(
+					sprintf(
+						esc_html__(
+							"Unknown operator %s in EEH_Money::compare_floats()",
+							'event_espresso'
+						),
+						$operator
+					)
+				);
+		}
+		return false;
+	}
 
 
-    /**
-     * This returns a localized format string suitable for jQplot.
-     *
-     * @param string $CNT_ISO  If this is provided, then will attempt to get the currency settings for the country.
-     *                         Otherwise will use currency settings for current active country on site.
-     * @return string
-     * @throws EE_Error
-     */
-    public static function get_format_for_jqplot($CNT_ISO = '')
-    {
-        // default format
-        $format          = 'f';
-        $locale = EEH_Money::getLocaleForCountryISO($CNT_ISO);
-        // first get the decimal place and number of places
-        $format = "%'" . $locale->currencyDecimalPoint() . $locale->decimalPrecision() . $format;
-        $spacer = $locale->currencySymbolSpaceB4Positive() ? ' ' : '';
-        // currency symbol on right side.
-        $format = $locale->currencySymbolB4Positive()
-            ? $locale->currencySymbol() . $spacer . $format
-            : $format . $spacer . $locale->currencySymbol();
-        return $format;
-    }
+	/**
+	 * This returns a localized format string suitable for jQplot.
+	 *
+	 * @param string $CNT_ISO  If this is provided, then will attempt to get the currency settings for the country.
+	 *                         Otherwise will use currency settings for current active country on site.
+	 * @return string
+	 * @throws EE_Error
+	 */
+	public static function get_format_for_jqplot($CNT_ISO = '')
+	{
+		// default format
+		$format          = 'f';
+		$locale = EEH_Money::getLocaleForCountryISO($CNT_ISO);
+		// first get the decimal place and number of places
+		$format = "%'" . $locale->currencyDecimalPoint() . $locale->decimalPrecision() . $format;
+		$spacer = $locale->currencySymbolSpaceB4Positive() ? ' ' : '';
+		// currency symbol on right side.
+		$format = $locale->currencySymbolB4Positive()
+			? $locale->currencySymbol() . $spacer . $format
+			: $format . $spacer . $locale->currencySymbol();
+		return $format;
+	}
 
 
-    /**
-     * This returns a localized format string suitable for usage with the Google Charts API format param.
-     *
-     * @param string $CNT_ISO  If this is provided, then will attempt to get the currency settings for the country.
-     *                         Otherwise will use currency settings for current active country on site.
-     *                         Note: GoogleCharts uses ICU pattern set
-     *                         (@see http://icu-project.org/apiref/icu4c/classDecimalFormat.html#_details)
-     * @return array
-     * @throws EE_Error
-     */
-    public static function get_format_for_google_charts($CNT_ISO = '')
-    {
-        $locale = EEH_Money::getLocaleForCountryISO($CNT_ISO);
-        $decimal_places_placeholder = str_pad('', $locale->decimalPrecision(), '0');
-        // first get the decimal place and number of places
-        $format = '#,##0.' . $decimal_places_placeholder;
-        // currency symbol on right side.
-        $format          = $locale->currencySymbolB4Positive()
-            ? $locale->currencySymbol() . $format
-            : $format
-              . $locale->currencySymbol();
-        $formatterObject = [
-            'decimalSymbol'  => $locale->currencyDecimalPoint(),
-            'groupingSymbol' => $locale->currencyThousandsSeparator(),
-            'fractionDigits' => $locale->decimalPrecision(),
-        ];
-        if ($locale->currencySymbolB4Positive()) {
-            $formatterObject['prefix'] = $locale->currencySymbol();
-        } else {
-            $formatterObject['suffix'] = $locale->currencySymbol();
-        }
-        return [
-            'format'          => $format,
-            'formatterObject' => $formatterObject,
-        ];
-    }
+	/**
+	 * This returns a localized format string suitable for usage with the Google Charts API format param.
+	 *
+	 * @param string $CNT_ISO  If this is provided, then will attempt to get the currency settings for the country.
+	 *                         Otherwise will use currency settings for current active country on site.
+	 *                         Note: GoogleCharts uses ICU pattern set
+	 *                         (@see http://icu-project.org/apiref/icu4c/classDecimalFormat.html#_details)
+	 * @return array
+	 * @throws EE_Error
+	 */
+	public static function get_format_for_google_charts($CNT_ISO = '')
+	{
+		$locale = EEH_Money::getLocaleForCountryISO($CNT_ISO);
+		$decimal_places_placeholder = str_pad('', $locale->decimalPrecision(), '0');
+		// first get the decimal place and number of places
+		$format = '#,##0.' . $decimal_places_placeholder;
+		// currency symbol on right side.
+		$format          = $locale->currencySymbolB4Positive()
+			? $locale->currencySymbol() . $format
+			: $format
+			  . $locale->currencySymbol();
+		$formatterObject = [
+			'decimalSymbol'  => $locale->currencyDecimalPoint(),
+			'groupingSymbol' => $locale->currencyThousandsSeparator(),
+			'fractionDigits' => $locale->decimalPrecision(),
+		];
+		if ($locale->currencySymbolB4Positive()) {
+			$formatterObject['prefix'] = $locale->currencySymbol();
+		} else {
+			$formatterObject['suffix'] = $locale->currencySymbol();
+		}
+		return [
+			'format'          => $format,
+			'formatterObject' => $formatterObject,
+		];
+	}
 
 
-    /**
-     * @param string $CNT_ISO
-     * @return EE_Currency_Config|null
-     * @throws EE_Error
-     */
-    public static function get_currency_config($CNT_ISO = '')
-    {
-        // if CNT_ISO passed lets try to get currency settings for it.
-        $currency_config = $CNT_ISO !== ''
-            ? new EE_Currency_Config($CNT_ISO)
-            : null;
-        // default currency settings for site if not set
-        if (! $currency_config instanceof EE_Currency_Config) {
-            $currency_config = EE_Registry::instance()->CFG->currency instanceof EE_Currency_Config
-                ? EE_Registry::instance()->CFG->currency
-                : new EE_Currency_Config();
-        }
-        return $currency_config;
-    }
+	/**
+	 * @param string $CNT_ISO
+	 * @return EE_Currency_Config|null
+	 * @throws EE_Error
+	 */
+	public static function get_currency_config($CNT_ISO = '')
+	{
+		// if CNT_ISO passed lets try to get currency settings for it.
+		$currency_config = $CNT_ISO !== ''
+			? new EE_Currency_Config($CNT_ISO)
+			: null;
+		// default currency settings for site if not set
+		if (! $currency_config instanceof EE_Currency_Config) {
+			$currency_config = EE_Registry::instance()->CFG->currency instanceof EE_Currency_Config
+				? EE_Registry::instance()->CFG->currency
+				: new EE_Currency_Config();
+		}
+		return $currency_config;
+	}
 
 
-    /**
-     * Rounds the number to a whole penny amount
-     *
-     * @param float  $amount
-     * @param string $currency_code
-     * @return float
-     * @throws EE_Error
-     */
-    public static function round_for_currency($amount, $currency_code = '')
-    {
-        $locale = EEH_Money::getLocaleForCountryISO($currency_code);
-        return EEH_Money::getCurrencyFormatter()->roundForLocale($amount, $locale);
-    }
+	/**
+	 * Rounds the number to a whole penny amount
+	 *
+	 * @param float  $amount
+	 * @param string $currency_code
+	 * @return float
+	 * @throws EE_Error
+	 */
+	public static function round_for_currency($amount, $currency_code = '')
+	{
+		$locale = EEH_Money::getLocaleForCountryISO($currency_code);
+		return EEH_Money::getCurrencyFormatter()->roundForLocale($amount, $locale);
+	}
 }

Spacing +9 added lines, -9 removed lines

@@ -27,7 +27,7 @@ 
      */
     private static function getCurrencyFormatter()
     {
-        if (! EEH_Money::$currency_formatter instanceof CurrencyFormatter) {
+        if ( ! EEH_Money::$currency_formatter instanceof CurrencyFormatter) {
             EEH_Money::$currency_formatter = LoaderFactory::getLoader()->getShared(CurrencyFormatter::class);
         }
         return EEH_Money::$currency_formatter;
@@ -224,15 +224,15 @@ 
     public static function get_format_for_jqplot($CNT_ISO = '')
     {
         // default format
-        $format          = 'f';
+        $format = 'f';
         $locale = EEH_Money::getLocaleForCountryISO($CNT_ISO);
         // first get the decimal place and number of places
-        $format = "%'" . $locale->currencyDecimalPoint() . $locale->decimalPrecision() . $format;
+        $format = "%'".$locale->currencyDecimalPoint().$locale->decimalPrecision().$format;
         $spacer = $locale->currencySymbolSpaceB4Positive() ? ' ' : '';
         // currency symbol on right side.
         $format = $locale->currencySymbolB4Positive()
-            ? $locale->currencySymbol() . $spacer . $format
-            : $format . $spacer . $locale->currencySymbol();
+            ? $locale->currencySymbol().$spacer.$format
+            : $format.$spacer.$locale->currencySymbol();
         return $format;
     }
 
@@ -252,10 +252,10 @@ 
         $locale = EEH_Money::getLocaleForCountryISO($CNT_ISO);
         $decimal_places_placeholder = str_pad('', $locale->decimalPrecision(), '0');
         // first get the decimal place and number of places
-        $format = '#,##0.' . $decimal_places_placeholder;
+        $format = '#,##0.'.$decimal_places_placeholder;
         // currency symbol on right side.
-        $format          = $locale->currencySymbolB4Positive()
-            ? $locale->currencySymbol() . $format
+        $format = $locale->currencySymbolB4Positive()
+            ? $locale->currencySymbol().$format
             : $format
               . $locale->currencySymbol();
         $formatterObject = [
@@ -287,7 +287,7 @@ 
             ? new EE_Currency_Config($CNT_ISO)
             : null;
         // default currency settings for site if not set
-        if (! $currency_config instanceof EE_Currency_Config) {
+        if ( ! $currency_config instanceof EE_Currency_Config) {
             $currency_config = EE_Registry::instance()->CFG->currency instanceof EE_Currency_Config
                 ? EE_Registry::instance()->CFG->currency
                 : new EE_Currency_Config();

core/helpers/EEH_Inflector.helper.php

Indentation +368 added lines, -368 removed lines

@@ -33,372 +33,372 @@
  */
 class EEH_Inflector
 {
-    /**
-     * Just calls self::pluralize and strtolower on $word and returns it
-     *
-     * @param string $word
-     * @return string
-     */
-    public static function pluralize_and_lower($word)
-    {
-        return strtolower(self::pluralize($word));
-    }
-
-
-    /**
-     * @param string $word
-     * @return mixed
-     */
-    public static function singularize_and_upper($word)
-    {
-        return str_replace(' ', '_', self::humanize(self::singularize($word), 'all'));
-    }
-
-
-    /**
-     * Pluralizes English nouns.
-     *
-     * @access public
-     * @static
-     * @param string $word English noun to pluralize
-     * @return string Plural noun
-     */
-    public static function pluralize($word)
-    {
-        $plural = [
-            '/(quiz)$/i'               => '\1zes',
-            '/^(ox)$/i'                => '\1en',
-            '/([m|l])ouse$/i'          => '\1ice',
-            '/(matr|vert|ind)ix|ex$/i' => '\1ices',
-            '/(x|ch|ss|sh)$/i'         => '\1es',
-            '/([^aeiouy]|qu)ies$/i'    => '\1y',
-            '/([^aeiouy]|qu)y$/i'      => '\1ies',
-            '/(hive)$/i'               => '\1s',
-            '/(?:([^f])fe|([lr])f)$/i' => '\1\2ves',
-            '/sis$/i'                  => 'ses',
-            '/([ti])um$/i'             => '\1a',
-            '/(buffal|tomat)o$/i'      => '\1oes',
-            '/(bu)s$/i'                => '\1ses',
-            '/(alias|status)/i'        => '\1es',
-            '/(octop|vir)us$/i'        => '\1i',
-            '/(ax|test)is$/i'          => '\1es',
-            '/s$/i'                    => 's',
-            '/$/'                      => 's',
-        ];
-
-        $uncountable = ['equipment', 'information', 'rice', 'money', 'species', 'series', 'fish', 'sheep'];
-
-        $irregular = [
-            'person' => 'people',
-            'man'    => 'men',
-            'child'  => 'children',
-            'sex'    => 'sexes',
-            'move'   => 'moves',
-        ];
-
-        $lowercased_word = strtolower($word);
-
-        foreach ($uncountable as $_uncountable) {
-            // even though the word "price" ends in "rice", it can be pluralized,
-            // so check the previous character isn't a letter
-            if (
-                substr($lowercased_word, (-1 * strlen($_uncountable))) == $_uncountable
-                && ! ctype_alpha($lowercased_word[ strlen($lowercased_word) - strlen($_uncountable) ])
-            ) {
-                return $word;
-            }
-        }
-
-        foreach ($irregular as $_plural => $_singular) {
-            if (preg_match('/(' . $_plural . ')$/i', $word, $arr)) {
-                return preg_replace('/(' . $_plural . ')$/i', substr($arr[0], 0, 1) . substr($_singular, 1), $word);
-            }
-        }
-
-        foreach ($plural as $rule => $replacement) {
-            if (preg_match($rule, $word)) {
-                return preg_replace($rule, $replacement, $word);
-            }
-        }
-        return false;
-    }
-
-
-    /**
-     * Singularizes English nouns.
-     *
-     * @access public
-     * @static
-     * @param string $word English noun to singularize
-     * @return string Singular noun.
-     */
-    public static function singularize($word)
-    {
-        $singular = [
-            '/(quiz)zes$/i'                                                    => '\1',
-            '/(matr)ices$/i'                                                   => '\1ix',
-            '/(vert|ind)ices$/i'                                               => '\1ex',
-            '/^(ox)en/i'                                                       => '\1',
-            '/(alias|status)es$/i'                                             => '\1',
-            '/([octop|vir])i$/i'                                               => '\1us',
-            '/(cris|ax|test)es$/i'                                             => '\1is',
-            '/(shoe)s$/i'                                                      => '\1',
-            '/(o)es$/i'                                                        => '\1',
-            '/(bus)es$/i'                                                      => '\1',
-            '/([m|l])ice$/i'                                                   => '\1ouse',
-            '/(x|ch|ss|sh)es$/i'                                               => '\1',
-            '/(m)ovies$/i'                                                     => '\1ovie',
-            '/(s)eries$/i'                                                     => '\1eries',
-            '/([^aeiouy]|qu)ies$/i'                                            => '\1y',
-            '/([lr])ves$/i'                                                    => '\1f',
-            '/(tive)s$/i'                                                      => '\1',
-            '/(hive)s$/i'                                                      => '\1',
-            '/([^f])ves$/i'                                                    => '\1fe',
-            '/(^analy)ses$/i'                                                  => '\1sis',
-            '/((a)naly|(b)a|(d)iagno|(p)arenthe|(p)rogno|(s)ynop|(t)he)ses$/i' => '\1\2sis',
-            '/([ti])a$/i'                                                      => '\1um',
-            '/(n)ews$/i'                                                       => '\1ews',
-            '/s$/i'                                                            => '',
-        ];
-
-        $uncountable = ['equipment', 'information', 'rice', 'money', 'species', 'series', 'fish', 'sheep'];
-
-        $irregular = [
-            'person' => 'people',
-            'man'    => 'men',
-            'child'  => 'children',
-            'sex'    => 'sexes',
-            'move'   => 'moves',
-        ];
-
-        $lowercased_word = strtolower($word);
-        foreach ($uncountable as $_uncountable) {
-            if (substr($lowercased_word, (-1 * strlen($_uncountable))) == $_uncountable) {
-                return $word;
-            }
-        }
-
-        foreach ($irregular as $_plural => $_singular) {
-            if (preg_match('/(' . $_singular . ')$/i', $word, $arr)) {
-                return preg_replace('/(' . $_singular . ')$/i', substr($arr[0], 0, 1) . substr($_plural, 1), $word);
-            }
-        }
-
-        foreach ($singular as $rule => $replacement) {
-            if (preg_match($rule, $word)) {
-                return preg_replace($rule, $replacement, $word);
-            }
-        }
-
-        return $word;
-    }
-
-
-    /**
-     * Converts an underscored or CamelCase word into a English
-     * sentence.
-     *
-     * The titleize static function converts text like "WelcomePage",
-     * "welcome_page" or  "welcome page" to this "Welcome
-     * Page".
-     * If second parameter is set to 'first' it will only
-     * capitalize the first character of the title.
-     *
-     * @access public
-     * @static
-     * @param string $word      Word to format as tile
-     * @param string $uppercase If set to 'first' it will only uppercase the
-     *                          first character. Otherwise it will uppercase all
-     *                          the words in the title.
-     * @return string Text formatted as title
-     */
-    public static function titleize($word, $uppercase = '')
-    {
-        $uppercase = $uppercase === 'first' ? 'ucfirst' : 'ucwords';
-        return $uppercase(EEH_Inflector::humanize(EEH_Inflector::underscore($word)));
-    }
-
-
-    /**
-     * Returns given word as CamelCased
-     *
-     * Converts a word like "send_email" to "SendEmail". It
-     * will remove non alphanumeric character from the word, so
-     * "who's online" will be converted to "WhoSOnline"
-     *
-     * @access public
-     * @static
-     * @param string $word Word to convert to camel case
-     * @return string UpperCamelCasedWord
-     * @see    variablize
-     */
-    public static function camelize($word)
-    {
-        return str_replace(' ', '', ucwords(preg_replace('/[^A-Z^a-z^0-9]+/', ' ', $word)));
-    }
-
-
-    /**
-     * Camelizes all but the first word. This is handy converting a method which followed EE4 legacy naming convention
-     * with the new PSR-based naming conventions
-     *
-     * @param $word
-     * @return string
-     */
-    public static function camelize_all_but_first($word)
-    {
-        return lcfirst(EEH_Inflector::camelize($word));
-    }
-
-
-    /**
-     * Converts a word "into_it_s_underscored_version"
-     *
-     * Convert any "CamelCased" or "ordinary Word" into an
-     * "underscored_word".
-     *
-     * This can be really useful for creating friendly URLs.
-     *
-     * @access public
-     * @static
-     * @param string $word Word to underscore
-     * @return string Underscored word
-     */
-    public static function underscore($word)
-    {
-        return strtolower(
-            preg_replace(
-                '/[^A-Z^a-z^0-9]+/',
-                '_',
-                preg_replace('/([a-zd])([A-Z])/', '1_2', preg_replace('/([A-Z]+)([A-Z][a-z])/', '1_2', $word))
-            )
-        );
-    }
-
-
-    /**
-     * Returns a human-readable string from $word
-     *
-     * Returns a human-readable string from $word, by replacing
-     * underscores with a space, and by upper-casing the initial
-     * character by default.
-     *
-     * If you need to uppercase all the words you just have to
-     * pass 'all' as a second parameter.
-     *
-     * @access public
-     * @static
-     * @param string $word      String to "humanize"
-     * @param string $uppercase If set to 'all' it will uppercase all the words
-     *                          instead of just the first one.
-     * @return string Human-readable word
-     */
-    public static function humanize($word, $uppercase = '')
-    {
-        // make special exceptions for acronyms
-        $word      = str_replace('wp_', 'WP_', $word);
-        $uppercase = $uppercase === 'all' ? 'ucwords' : 'ucfirst';
-        return $uppercase(str_replace('_', ' ', preg_replace('/_id$/', '', $word)));
-    }
-
-
-    /**
-     * Same as camelize but first char is underscored
-     *
-     * Converts a word like "send_email" to "sendEmail". It
-     * will remove non alphanumeric character from the word, so
-     * "who's online" will be converted to "whoSOnline"
-     *
-     * @access public
-     * @static
-     * @param string $word Word to lowerCamelCase
-     * @return string Returns a lowerCamelCasedWord
-     * @see    camelize
-     */
-    public static function variablize($word)
-    {
-        $word = EEH_Inflector::camelize($word);
-        return strtolower($word[0]) . substr($word, 1);
-    }
-
-
-    /**
-     * Converts a class name to its table name according to rails
-     * naming conventions.
-     *
-     * Converts "Person" to "people"
-     *
-     * @access public
-     * @static
-     * @param string $class_name Class name for getting related table_name.
-     * @return string plural_table_name
-     * @see    classify
-     */
-    public static function tableize($class_name)
-    {
-        return EEH_Inflector::pluralize(EEH_Inflector::underscore($class_name));
-    }
-
-
-    /**
-     * Converts a table name to its class name according to rails
-     * naming conventions.
-     *
-     * Converts "people" to "Person"
-     *
-     * @access public
-     * @static
-     * @param string $table_name Table name for getting related ClassName.
-     * @return string SingularClassName
-     * @see    tableize
-     */
-    public static function classify($table_name)
-    {
-        return EEH_Inflector::camelize(EEH_Inflector::singularize($table_name));
-    }
-
-
-    /**
-     * Converts number to its ordinal English form.
-     *
-     * This method converts 13 to 13th, 2 to 2nd ...
-     *
-     * @access public
-     * @static
-     * @param integer $number Number to get its ordinal value
-     * @return string Ordinal representation of given string.
-     */
-    public static function ordinalize($number)
-    {
-        if (in_array(($number % 100), range(11, 13))) {
-            return $number . 'th';
-        } else {
-            switch (($number % 10)) {
-                case 1:
-                    return $number . 'st';
-                    break;
-                case 2:
-                    return $number . 'nd';
-                    break;
-                case 3:
-                    return $number . 'rd';
-                default:
-                    return $number . 'th';
-                    break;
-            }
-        }
-    }
-
-
-    /**
-     * @param $string
-     * @return string
-     */
-    public static function add_indefinite_article($string)
-    {
-        if (strtolower($string) === 'null') {
-            return $string;
-        }
-        return (stripos('aeiou', $string[0]) !== false ? 'an ' : 'a ') . $string;
-    }
+	/**
+	 * Just calls self::pluralize and strtolower on $word and returns it
+	 *
+	 * @param string $word
+	 * @return string
+	 */
+	public static function pluralize_and_lower($word)
+	{
+		return strtolower(self::pluralize($word));
+	}
+
+
+	/**
+	 * @param string $word
+	 * @return mixed
+	 */
+	public static function singularize_and_upper($word)
+	{
+		return str_replace(' ', '_', self::humanize(self::singularize($word), 'all'));
+	}
+
+
+	/**
+	 * Pluralizes English nouns.
+	 *
+	 * @access public
+	 * @static
+	 * @param string $word English noun to pluralize
+	 * @return string Plural noun
+	 */
+	public static function pluralize($word)
+	{
+		$plural = [
+			'/(quiz)$/i'               => '\1zes',
+			'/^(ox)$/i'                => '\1en',
+			'/([m|l])ouse$/i'          => '\1ice',
+			'/(matr|vert|ind)ix|ex$/i' => '\1ices',
+			'/(x|ch|ss|sh)$/i'         => '\1es',
+			'/([^aeiouy]|qu)ies$/i'    => '\1y',
+			'/([^aeiouy]|qu)y$/i'      => '\1ies',
+			'/(hive)$/i'               => '\1s',
+			'/(?:([^f])fe|([lr])f)$/i' => '\1\2ves',
+			'/sis$/i'                  => 'ses',
+			'/([ti])um$/i'             => '\1a',
+			'/(buffal|tomat)o$/i'      => '\1oes',
+			'/(bu)s$/i'                => '\1ses',
+			'/(alias|status)/i'        => '\1es',
+			'/(octop|vir)us$/i'        => '\1i',
+			'/(ax|test)is$/i'          => '\1es',
+			'/s$/i'                    => 's',
+			'/$/'                      => 's',
+		];
+
+		$uncountable = ['equipment', 'information', 'rice', 'money', 'species', 'series', 'fish', 'sheep'];
+
+		$irregular = [
+			'person' => 'people',
+			'man'    => 'men',
+			'child'  => 'children',
+			'sex'    => 'sexes',
+			'move'   => 'moves',
+		];
+
+		$lowercased_word = strtolower($word);
+
+		foreach ($uncountable as $_uncountable) {
+			// even though the word "price" ends in "rice", it can be pluralized,
+			// so check the previous character isn't a letter
+			if (
+				substr($lowercased_word, (-1 * strlen($_uncountable))) == $_uncountable
+				&& ! ctype_alpha($lowercased_word[ strlen($lowercased_word) - strlen($_uncountable) ])
+			) {
+				return $word;
+			}
+		}
+
+		foreach ($irregular as $_plural => $_singular) {
+			if (preg_match('/(' . $_plural . ')$/i', $word, $arr)) {
+				return preg_replace('/(' . $_plural . ')$/i', substr($arr[0], 0, 1) . substr($_singular, 1), $word);
+			}
+		}
+
+		foreach ($plural as $rule => $replacement) {
+			if (preg_match($rule, $word)) {
+				return preg_replace($rule, $replacement, $word);
+			}
+		}
+		return false;
+	}
+
+
+	/**
+	 * Singularizes English nouns.
+	 *
+	 * @access public
+	 * @static
+	 * @param string $word English noun to singularize
+	 * @return string Singular noun.
+	 */
+	public static function singularize($word)
+	{
+		$singular = [
+			'/(quiz)zes$/i'                                                    => '\1',
+			'/(matr)ices$/i'                                                   => '\1ix',
+			'/(vert|ind)ices$/i'                                               => '\1ex',
+			'/^(ox)en/i'                                                       => '\1',
+			'/(alias|status)es$/i'                                             => '\1',
+			'/([octop|vir])i$/i'                                               => '\1us',
+			'/(cris|ax|test)es$/i'                                             => '\1is',
+			'/(shoe)s$/i'                                                      => '\1',
+			'/(o)es$/i'                                                        => '\1',
+			'/(bus)es$/i'                                                      => '\1',
+			'/([m|l])ice$/i'                                                   => '\1ouse',
+			'/(x|ch|ss|sh)es$/i'                                               => '\1',
+			'/(m)ovies$/i'                                                     => '\1ovie',
+			'/(s)eries$/i'                                                     => '\1eries',
+			'/([^aeiouy]|qu)ies$/i'                                            => '\1y',
+			'/([lr])ves$/i'                                                    => '\1f',
+			'/(tive)s$/i'                                                      => '\1',
+			'/(hive)s$/i'                                                      => '\1',
+			'/([^f])ves$/i'                                                    => '\1fe',
+			'/(^analy)ses$/i'                                                  => '\1sis',
+			'/((a)naly|(b)a|(d)iagno|(p)arenthe|(p)rogno|(s)ynop|(t)he)ses$/i' => '\1\2sis',
+			'/([ti])a$/i'                                                      => '\1um',
+			'/(n)ews$/i'                                                       => '\1ews',
+			'/s$/i'                                                            => '',
+		];
+
+		$uncountable = ['equipment', 'information', 'rice', 'money', 'species', 'series', 'fish', 'sheep'];
+
+		$irregular = [
+			'person' => 'people',
+			'man'    => 'men',
+			'child'  => 'children',
+			'sex'    => 'sexes',
+			'move'   => 'moves',
+		];
+
+		$lowercased_word = strtolower($word);
+		foreach ($uncountable as $_uncountable) {
+			if (substr($lowercased_word, (-1 * strlen($_uncountable))) == $_uncountable) {
+				return $word;
+			}
+		}
+
+		foreach ($irregular as $_plural => $_singular) {
+			if (preg_match('/(' . $_singular . ')$/i', $word, $arr)) {
+				return preg_replace('/(' . $_singular . ')$/i', substr($arr[0], 0, 1) . substr($_plural, 1), $word);
+			}
+		}
+
+		foreach ($singular as $rule => $replacement) {
+			if (preg_match($rule, $word)) {
+				return preg_replace($rule, $replacement, $word);
+			}
+		}
+
+		return $word;
+	}
+
+
+	/**
+	 * Converts an underscored or CamelCase word into a English
+	 * sentence.
+	 *
+	 * The titleize static function converts text like "WelcomePage",
+	 * "welcome_page" or  "welcome page" to this "Welcome
+	 * Page".
+	 * If second parameter is set to 'first' it will only
+	 * capitalize the first character of the title.
+	 *
+	 * @access public
+	 * @static
+	 * @param string $word      Word to format as tile
+	 * @param string $uppercase If set to 'first' it will only uppercase the
+	 *                          first character. Otherwise it will uppercase all
+	 *                          the words in the title.
+	 * @return string Text formatted as title
+	 */
+	public static function titleize($word, $uppercase = '')
+	{
+		$uppercase = $uppercase === 'first' ? 'ucfirst' : 'ucwords';
+		return $uppercase(EEH_Inflector::humanize(EEH_Inflector::underscore($word)));
+	}
+
+
+	/**
+	 * Returns given word as CamelCased
+	 *
+	 * Converts a word like "send_email" to "SendEmail". It
+	 * will remove non alphanumeric character from the word, so
+	 * "who's online" will be converted to "WhoSOnline"
+	 *
+	 * @access public
+	 * @static
+	 * @param string $word Word to convert to camel case
+	 * @return string UpperCamelCasedWord
+	 * @see    variablize
+	 */
+	public static function camelize($word)
+	{
+		return str_replace(' ', '', ucwords(preg_replace('/[^A-Z^a-z^0-9]+/', ' ', $word)));
+	}
+
+
+	/**
+	 * Camelizes all but the first word. This is handy converting a method which followed EE4 legacy naming convention
+	 * with the new PSR-based naming conventions
+	 *
+	 * @param $word
+	 * @return string
+	 */
+	public static function camelize_all_but_first($word)
+	{
+		return lcfirst(EEH_Inflector::camelize($word));
+	}
+
+
+	/**
+	 * Converts a word "into_it_s_underscored_version"
+	 *
+	 * Convert any "CamelCased" or "ordinary Word" into an
+	 * "underscored_word".
+	 *
+	 * This can be really useful for creating friendly URLs.
+	 *
+	 * @access public
+	 * @static
+	 * @param string $word Word to underscore
+	 * @return string Underscored word
+	 */
+	public static function underscore($word)
+	{
+		return strtolower(
+			preg_replace(
+				'/[^A-Z^a-z^0-9]+/',
+				'_',
+				preg_replace('/([a-zd])([A-Z])/', '1_2', preg_replace('/([A-Z]+)([A-Z][a-z])/', '1_2', $word))
+			)
+		);
+	}
+
+
+	/**
+	 * Returns a human-readable string from $word
+	 *
+	 * Returns a human-readable string from $word, by replacing
+	 * underscores with a space, and by upper-casing the initial
+	 * character by default.
+	 *
+	 * If you need to uppercase all the words you just have to
+	 * pass 'all' as a second parameter.
+	 *
+	 * @access public
+	 * @static
+	 * @param string $word      String to "humanize"
+	 * @param string $uppercase If set to 'all' it will uppercase all the words
+	 *                          instead of just the first one.
+	 * @return string Human-readable word
+	 */
+	public static function humanize($word, $uppercase = '')
+	{
+		// make special exceptions for acronyms
+		$word      = str_replace('wp_', 'WP_', $word);
+		$uppercase = $uppercase === 'all' ? 'ucwords' : 'ucfirst';
+		return $uppercase(str_replace('_', ' ', preg_replace('/_id$/', '', $word)));
+	}
+
+
+	/**
+	 * Same as camelize but first char is underscored
+	 *
+	 * Converts a word like "send_email" to "sendEmail". It
+	 * will remove non alphanumeric character from the word, so
+	 * "who's online" will be converted to "whoSOnline"
+	 *
+	 * @access public
+	 * @static
+	 * @param string $word Word to lowerCamelCase
+	 * @return string Returns a lowerCamelCasedWord
+	 * @see    camelize
+	 */
+	public static function variablize($word)
+	{
+		$word = EEH_Inflector::camelize($word);
+		return strtolower($word[0]) . substr($word, 1);
+	}
+
+
+	/**
+	 * Converts a class name to its table name according to rails
+	 * naming conventions.
+	 *
+	 * Converts "Person" to "people"
+	 *
+	 * @access public
+	 * @static
+	 * @param string $class_name Class name for getting related table_name.
+	 * @return string plural_table_name
+	 * @see    classify
+	 */
+	public static function tableize($class_name)
+	{
+		return EEH_Inflector::pluralize(EEH_Inflector::underscore($class_name));
+	}
+
+
+	/**
+	 * Converts a table name to its class name according to rails
+	 * naming conventions.
+	 *
+	 * Converts "people" to "Person"
+	 *
+	 * @access public
+	 * @static
+	 * @param string $table_name Table name for getting related ClassName.
+	 * @return string SingularClassName
+	 * @see    tableize
+	 */
+	public static function classify($table_name)
+	{
+		return EEH_Inflector::camelize(EEH_Inflector::singularize($table_name));
+	}
+
+
+	/**
+	 * Converts number to its ordinal English form.
+	 *
+	 * This method converts 13 to 13th, 2 to 2nd ...
+	 *
+	 * @access public
+	 * @static
+	 * @param integer $number Number to get its ordinal value
+	 * @return string Ordinal representation of given string.
+	 */
+	public static function ordinalize($number)
+	{
+		if (in_array(($number % 100), range(11, 13))) {
+			return $number . 'th';
+		} else {
+			switch (($number % 10)) {
+				case 1:
+					return $number . 'st';
+					break;
+				case 2:
+					return $number . 'nd';
+					break;
+				case 3:
+					return $number . 'rd';
+				default:
+					return $number . 'th';
+					break;
+			}
+		}
+	}
+
+
+	/**
+	 * @param $string
+	 * @return string
+	 */
+	public static function add_indefinite_article($string)
+	{
+		if (strtolower($string) === 'null') {
+			return $string;
+		}
+		return (stripos('aeiou', $string[0]) !== false ? 'an ' : 'a ') . $string;
+	}
 }

core/helpers/EEH_File.helper.php

Indentation +741 added lines, -741 removed lines

@@ -24,745 +24,745 @@
  */
 class EEH_File extends EEH_Base implements EEHI_File
 {
-    /**
-     * @var string $_credentials_form
-     */
-    private static $_credentials_form;
-
-    protected static $_wp_filesystem_direct;
-
-
-    /**
-     * @param string|null $filepath the filepath we want to work in. If its in the
-     *                              wp uploads directory, we'll want to just use the filesystem directly.
-     *                              If not provided, we have to assume its not in the uploads directory
-     * @return WP_Filesystem_Base
-     * @throws EE_Error if filesystem credentials are required
-     */
-    private static function _get_wp_filesystem($filepath = null)
-    {
-        if (
-            apply_filters(
-                'FHEE__EEH_File___get_wp_filesystem__allow_using_filesystem_direct',
-                $filepath && EEH_File::is_in_uploads_folder($filepath),
-                $filepath
-            )
-        ) {
-            if (! EEH_File::$_wp_filesystem_direct instanceof WP_Filesystem_Direct) {
-                require_once(ABSPATH . 'wp-admin/includes/class-wp-filesystem-base.php');
-                $method                    = 'direct';
-                $wp_filesystem_direct_file =
-                    apply_filters(
-                        'filesystem_method_file',
-                        ABSPATH . 'wp-admin/includes/class-wp-filesystem-' . $method . '.php',
-                        $method
-                    );
-                // check constants defined, just like in wp-admin/includes/file.php's WP_Filesystem()
-                if (! defined('FS_CHMOD_DIR')) {
-                    define('FS_CHMOD_DIR', (fileperms(ABSPATH) & 0777 | 0755));
-                }
-                if (! defined('FS_CHMOD_FILE')) {
-                    define('FS_CHMOD_FILE', (fileperms(ABSPATH . 'index.php') & 0777 | 0644));
-                }
-                require_once($wp_filesystem_direct_file);
-                EEH_File::$_wp_filesystem_direct = new WP_Filesystem_Direct([]);
-            }
-            return EEH_File::$_wp_filesystem_direct;
-        }
-        global $wp_filesystem;
-        // no filesystem setup ???
-        if (! $wp_filesystem instanceof WP_Filesystem_Base) {
-            // if some eager beaver's just trying to get in there too early...
-            // let them do it, because we are one of those eager beavers! :P
-            /**
-             * more explanations are probably merited. http://codex.wordpress.org/Filesystem_API#Initializing_WP_Filesystem_Base
-             * says WP_Filesystem should be used after 'wp_loaded', but currently EE's activation process
-             * is setup to mostly happen on 'init', and refactoring to have it happen on
-             * 'wp_loaded' is too much work on a BETA milestone.
-             * So this fix is expected to work if the WP files are owned by the server user,
-             * but probably not if the user needs to enter their FTP credentials to modify files
-             * and there may be troubles if the WP files are owned by a different user
-             * than the server user. But both of these issues should exist in 4.4 and earlier too
-             */
-            if (false && ! did_action('wp_loaded')) {
-                $msg = esc_html__(
-                    'An attempt to access and/or write to a file on the server could not be completed due to a lack of sufficient credentials.',
-                    'event_espresso'
-                );
-                if (WP_DEBUG) {
-                    $msg .= '<br />';
-                    $msg .= esc_html__(
-                        'The WP Filesystem can not be accessed until after the "wp_loaded" hook has run, so it\'s best not to attempt access until the "admin_init" hookpoint.',
-                        'event_espresso'
-                    );
-                }
-                throw new EE_Error($msg);
-            } else {
-                // should be loaded if we are past the wp_loaded hook...
-                if (! function_exists('WP_Filesystem')) {
-                    require_once(ABSPATH . 'wp-admin/includes/file.php');
-                    require_once(ABSPATH . 'wp-admin/includes/template.php');
-                }
-                // turn on output buffering so that we can capture the credentials form
-                ob_start();
-                $credentials = request_filesystem_credentials('');
-                // store credentials form for the time being
-                EEH_File::$_credentials_form = ob_get_clean();
-                // basically check for direct or previously configured access
-                if (! WP_Filesystem($credentials)) {
-                    // if credentials do NOT exist
-                    if ($credentials === false) {
-                        add_action('admin_notices', ['EEH_File', 'display_request_filesystem_credentials_form'], 999);
-                        throw new EE_Error(
-                            esc_html__(
-                                'An attempt to access and/or write to a file on the server could not be completed due to a lack of sufficient credentials.',
-                                'event_espresso'
-                            )
-                        );
-                    } elseif (is_wp_error($wp_filesystem->errors) && $wp_filesystem->errors->get_error_code()) {
-                        add_action('admin_notices', ['EEH_File', 'display_request_filesystem_credentials_form'], 999);
-                        throw new EE_Error(
-                            sprintf(
-                                esc_html__('WP Filesystem Error: $1%s', 'event_espresso'),
-                                $wp_filesystem->errors->get_error_message()
-                            )
-                        );
-                    }
-                }
-            }
-        }
-        return $wp_filesystem;
-    }
-
-
-    /**
-     * display_request_filesystem_credentials_form
-     */
-    public static function display_request_filesystem_credentials_form()
-    {
-        if (! empty(EEH_File::$_credentials_form)) {
-            echo '<div class="updated espresso-notices-attention"><p>' . EEH_File::$_credentials_form . '</p></div>';
-        }
-    }
-
-
-    /**
-     *    verify_filepath_and_permissions
-     *    checks that a file is readable and has sufficient file permissions set to access
-     *
-     * @access public
-     * @param string $full_file_path - full server path to the folder or file
-     * @param string $file_name      - name of file if checking a file
-     * @param string $file_ext       - file extension (ie: "php") if checking a file
-     * @param string $type_of_file   - general type of file (ie: "module"), this is only used to improve error messages
-     * @return bool
-     * @throws EE_Error if filesystem credentials are required
-     */
-    public static function verify_filepath_and_permissions(
-        $full_file_path = '',
-        $file_name = '',
-        $file_ext = '',
-        $type_of_file = ''
-    ) {
-        // load WP_Filesystem and set file permissions
-        $wp_filesystem  = EEH_File::_get_wp_filesystem($full_file_path);
-        $full_file_path = EEH_File::standardise_directory_separators($full_file_path);
-        if (! $wp_filesystem->is_readable(EEH_File::convert_local_filepath_to_remote_filepath($full_file_path))) {
-            $file_name = ! empty($type_of_file) ? $file_name . ' ' . $type_of_file : $file_name;
-            $file_name .= ! empty($file_ext) ? ' file' : ' folder';
-            $msg       = sprintf(
-                esc_html__(
-                    'The requested %1$s could not be found or is not readable, possibly due to an incorrect filepath, or incorrect file permissions.%2$s',
-                    'event_espresso'
-                ),
-                $file_name,
-                '<br />'
-            );
-            if (EEH_File::exists($full_file_path)) {
-                $msg .= EEH_File::_permissions_error_for_unreadable_filepath($full_file_path, $type_of_file);
-            } else {
-                // no file permissions means the file was not found
-                $msg .= sprintf(
-                    esc_html__('Please ensure the following path is correct: "%s".', 'event_espresso'),
-                    $full_file_path
-                );
-            }
-            if (defined('WP_DEBUG') && WP_DEBUG) {
-                throw new EE_Error($msg . '||' . $msg);
-            }
-            return false;
-        }
-        return true;
-    }
-
-
-    /**
-     * _permissions_error_for_unreadable_filepath - attempts to determine why permissions are set incorrectly for a
-     * file or folder
-     *
-     * @access private
-     * @param string $full_file_path - full server path to the folder or file
-     * @param string $type_of_file   - general type of file (ie: "module"), this is only used to improve error messages
-     * @return string
-     * @throws EE_Error if filesystem credentials are required
-     */
-    private static function _permissions_error_for_unreadable_filepath($full_file_path = '', $type_of_file = '')
-    {
-        // load WP_Filesystem and set file permissions
-        $wp_filesystem = EEH_File::_get_wp_filesystem($full_file_path);
-        // check file permissions
-        $perms = $wp_filesystem->getchmod(EEH_File::convert_local_filepath_to_remote_filepath($full_file_path));
-        if ($perms) {
-            // file permissions exist, but way be set incorrectly
-            $type_of_file = ! empty($type_of_file) ? $type_of_file . ' ' : '';
-            $type_of_file .= ! empty($type_of_file) ? 'file' : 'folder';
-            return sprintf(
-                esc_html__(
-                    'File permissions for the requested %1$s are currently set at "%2$s". The recommended permissions are 644 for files and 755 for folders.',
-                    'event_espresso'
-                ),
-                $type_of_file,
-                $perms
-            );
-        }
-        // file exists but file permissions could not be read ?!?!
-        return sprintf(
-            esc_html__(
-                'Please ensure that the server and/or PHP configuration allows the current process to access the following file: "%s".',
-                'event_espresso'
-            ),
-            $full_file_path
-        );
-    }
-
-
-    /**
-     * ensure_folder_exists_and_is_writable
-     * ensures that a folder exists and is writable, will attempt to create folder if it does not exist
-     * Also ensures all the parent folders exist, and if not tries to create them.
-     * Also, if this function creates the folder, adds a .htaccess file and index.html file
-     *
-     * @param string $folder
-     * @return bool false if folder isn't writable; true if it exists and is writeable,
-     * @throws EE_Error if the folder exists and is writeable, but for some reason we
-     * can't write to it
-     */
-    public static function ensure_folder_exists_and_is_writable($folder = '')
-    {
-        if (empty($folder)) {
-            return false;
-        }
-        // remove ending /
-        $folder        = EEH_File::standardise_directory_separators(rtrim($folder, '/\\'));
-        $parent_folder = EEH_File::get_parent_folder($folder);
-        // add / to folder
-        $folder        = EEH_File::end_with_directory_separator($folder);
-        $wp_filesystem = EEH_File::_get_wp_filesystem($folder);
-        if (! $wp_filesystem->is_dir(EEH_File::convert_local_filepath_to_remote_filepath($folder))) {
-            // ok so it doesn't exist. Does its parent? Can we write to it?
-            if (! EEH_File::ensure_folder_exists_and_is_writable($parent_folder)) {
-                return false;
-            }
-            if (! EEH_File::verify_is_writable($parent_folder)) {
-                return false;
-            } else {
-                if (! $wp_filesystem->mkdir(EEH_File::convert_local_filepath_to_remote_filepath($folder))) {
-                    if (defined('WP_DEBUG') && WP_DEBUG) {
-                        $msg = sprintf(esc_html__('"%s" could not be created.', 'event_espresso'), $folder);
-                        $msg .= EEH_File::_permissions_error_for_unreadable_filepath($folder);
-                        throw new EE_Error($msg);
-                    }
-                    return false;
-                }
-                EEH_File::add_index_file($folder);
-            }
-        } elseif (! EEH_File::verify_is_writable($folder)) {
-            return false;
-        }
-        return true;
-    }
-
-
-    /**
-     * verify_is_writable - checks if a file or folder is writable
-     *
-     * @param string $full_path      - full server path to file or folder
-     * @param string $file_or_folder - whether checking a file or folder
-     * @return bool
-     * @throws EE_Error if filesystem credentials are required
-     */
-    public static function verify_is_writable($full_path = '', $file_or_folder = 'folder')
-    {
-        // load WP_Filesystem and set file permissions
-        $wp_filesystem = EEH_File::_get_wp_filesystem($full_path);
-        $full_path     = EEH_File::standardise_directory_separators($full_path);
-        if (! $wp_filesystem->is_writable(EEH_File::convert_local_filepath_to_remote_filepath($full_path))) {
-            if (defined('WP_DEBUG') && WP_DEBUG) {
-                $msg = sprintf(
-                    esc_html__('The "%1$s" %2$s is not writable.', 'event_espresso'),
-                    $full_path,
-                    $file_or_folder
-                );
-                $msg .= EEH_File::_permissions_error_for_unreadable_filepath($full_path);
-                throw new EE_Error($msg);
-            }
-            return false;
-        }
-        return true;
-    }
-
-
-    /**
-     * ensure_file_exists_and_is_writable
-     * ensures that a file exists and is writable, will attempt to create file if it does not exist.
-     * Also ensures all the parent folders exist, and if not tries to create them.
-     *
-     * @param string $full_file_path
-     * @return bool
-     * @throws EE_Error if filesystem credentials are required
-     */
-    public static function ensure_file_exists_and_is_writable($full_file_path = '')
-    {
-        // load WP_Filesystem and set file permissions
-        $wp_filesystem  = EEH_File::_get_wp_filesystem($full_file_path);
-        $full_file_path = EEH_File::standardise_directory_separators($full_file_path);
-        $parent_folder  = EEH_File::get_parent_folder($full_file_path);
-        if (! EEH_File::exists($full_file_path)) {
-            if (! EEH_File::ensure_folder_exists_and_is_writable($parent_folder)) {
-                return false;
-            }
-            if (! $wp_filesystem->touch(EEH_File::convert_local_filepath_to_remote_filepath($full_file_path))) {
-                if (defined('WP_DEBUG') && WP_DEBUG) {
-                    $msg =
-                        sprintf(esc_html__('The "%s" file could not be created.', 'event_espresso'), $full_file_path);
-                    $msg .= EEH_File::_permissions_error_for_unreadable_filepath($full_file_path);
-                    throw new EE_Error($msg);
-                }
-                return false;
-            }
-        }
-        if (! EEH_File::verify_is_writable($full_file_path, 'file')) {
-            return false;
-        }
-        return true;
-    }
-
-
-    /**
-     * Gets the parent folder. If provided with file, gets the folder that contains it.
-     * If provided a folder, gets its parent folder.
-     *
-     * @param string $file_or_folder_path
-     * @return string parent folder, ENDING with a directory separator
-     */
-    public static function get_parent_folder($file_or_folder_path)
-    {
-        // find the last /, ignoring a / on the very end
-        // eg if given "/var/something/somewhere/", we want to get "somewhere"'s
-        // parent folder, "/var/something/"
-        $ds = strlen($file_or_folder_path) > 1
-            ? strrpos($file_or_folder_path, '/', -2)
-            : strlen($file_or_folder_path);
-        return substr($file_or_folder_path, 0, $ds + 1);
-    }
-
-    // public static function ensure_folder_exists_recursively( $folder ) {
-    //
-    // }
-
-
-    /**
-     * get_file_contents
-     *
-     * @param string $full_file_path
-     * @return string
-     * @throws EE_Error if filesystem credentials are required
-     */
-    public static function get_file_contents($full_file_path = '')
-    {
-        $full_file_path = EEH_File::standardise_directory_separators($full_file_path);
-        if (
-            EEH_File::verify_filepath_and_permissions(
-                $full_file_path,
-                EEH_File::get_filename_from_filepath($full_file_path),
-                EEH_File::get_file_extension($full_file_path)
-            )
-        ) {
-            // load WP_Filesystem and set file permissions
-            $wp_filesystem = EEH_File::_get_wp_filesystem($full_file_path);
-            return $wp_filesystem->get_contents(EEH_File::convert_local_filepath_to_remote_filepath($full_file_path));
-        }
-        return '';
-    }
-
-
-    /**
-     * write_file
-     *
-     * @param string $full_file_path
-     * @param string $file_contents - the content to be written to the file
-     * @param string $file_type
-     * @return bool
-     * @throws EE_Error if filesystem credentials are required
-     */
-    public static function write_to_file($full_file_path = '', $file_contents = '', $file_type = '')
-    {
-        $full_file_path = EEH_File::standardise_directory_separators($full_file_path);
-        $file_type      = ! empty($file_type) ? rtrim($file_type, ' ') . ' ' : '';
-        $folder         = EEH_File::remove_filename_from_filepath($full_file_path);
-        if (! EEH_File::verify_is_writable($folder)) {
-            if (defined('WP_DEBUG') && WP_DEBUG) {
-                $msg = sprintf(
-                    esc_html__('The %1$sfile located at "%2$s" is not writable.', 'event_espresso'),
-                    $file_type,
-                    $full_file_path
-                );
-                $msg .= EEH_File::_permissions_error_for_unreadable_filepath($full_file_path);
-                throw new EE_Error($msg);
-            }
-            return false;
-        }
-        // load WP_Filesystem and set file permissions
-        $wp_filesystem = EEH_File::_get_wp_filesystem($full_file_path);
-        // write the file
-        if (
-            ! $wp_filesystem->put_contents(
-                EEH_File::convert_local_filepath_to_remote_filepath($full_file_path),
-                $file_contents
-            )
-        ) {
-            if (defined('WP_DEBUG') && WP_DEBUG) {
-                $msg = sprintf(
-                    esc_html__('The %1$sfile located at "%2$s" could not be written to.', 'event_espresso'),
-                    $file_type,
-                    $full_file_path
-                );
-                $msg .= EEH_File::_permissions_error_for_unreadable_filepath($full_file_path, 'f');
-                throw new EE_Error($msg);
-            }
-            return false;
-        }
-        return true;
-    }
-
-
-    /**
-     * Wrapper for WP_Filesystem_Base::delete
-     *
-     * @param string         $filepath
-     * @param boolean        $recursive
-     * @param boolean|string $type 'd' for directory, 'f' for file
-     * @return boolean
-     * @throws EE_Error if filesystem credentials are required
-     */
-    public static function delete($filepath, $recursive = false, $type = false)
-    {
-        $wp_filesystem = EEH_File::_get_wp_filesystem();
-        return $wp_filesystem->delete($filepath, $recursive, $type);
-    }
-
-
-    /**
-     * exists
-     * checks if a file exists using the WP filesystem
-     *
-     * @param string $full_file_path
-     * @return bool
-     * @throws EE_Error if filesystem credentials are required
-     */
-    public static function exists($full_file_path = '')
-    {
-        $wp_filesystem = EEH_File::_get_wp_filesystem($full_file_path);
-        return $wp_filesystem->exists(EEH_File::convert_local_filepath_to_remote_filepath($full_file_path));
-    }
-
-
-    /**
-     * is_readable
-     * checks if a file is_readable using the WP filesystem
-     *
-     * @param string $full_file_path
-     * @return bool
-     * @throws EE_Error if filesystem credentials are required
-     */
-    public static function is_readable($full_file_path = '')
-    {
-        $wp_filesystem = EEH_File::_get_wp_filesystem($full_file_path);
-        return $wp_filesystem->is_readable(EEH_File::convert_local_filepath_to_remote_filepath($full_file_path));
-    }
-
-
-    /**
-     * remove_filename_from_filepath
-     * given a full path to a file including the filename itself, this removes  the filename and returns the path, up
-     * to, but NOT including the filename OR slash
-     *
-     * @param string $full_file_path
-     * @return string
-     */
-    public static function remove_filename_from_filepath($full_file_path = '')
-    {
-        return pathinfo($full_file_path, PATHINFO_DIRNAME);
-    }
-
-
-    /**
-     * get_filename_from_filepath. Arguably the same as basename()
-     *
-     * @param string $full_file_path
-     * @return string
-     */
-    public static function get_filename_from_filepath($full_file_path = '')
-    {
-        return pathinfo($full_file_path, PATHINFO_BASENAME);
-    }
-
-
-    /**
-     * get_file_extension
-     *
-     * @param string $full_file_path
-     * @return string
-     */
-    public static function get_file_extension($full_file_path = '')
-    {
-        return pathinfo($full_file_path, PATHINFO_EXTENSION);
-    }
-
-
-    /**
-     * add_htaccess_deny_from_all so the webserver cannot access this folder
-     *
-     * @param string $folder
-     * @return bool
-     * @throws EE_Error if filesystem credentials are required
-     */
-    public static function add_htaccess_deny_from_all($folder = '')
-    {
-        $folder = EEH_File::standardise_and_end_with_directory_separator($folder);
-        if (! EEH_File::exists($folder . '.htaccess')) {
-            if (! EEH_File::write_to_file($folder . '.htaccess', 'deny from all', '.htaccess')) {
-                return false;
-            }
-        }
-        return true;
-    }
-
-
-    /**
-     * Adds an index file to this folder, so folks can't list all the file's contents
-     *
-     * @param string $folder
-     * @return boolean
-     * @throws EE_Error if filesystem credentials are required
-     */
-    public static function add_index_file($folder)
-    {
-        $folder = EEH_File::standardise_and_end_with_directory_separator($folder);
-        if (! EEH_File::exists($folder . 'index.php')) {
-            if (
-                ! EEH_File::write_to_file(
-                    $folder . 'index.php',
-                    'You are not permitted to read from this folder',
-                    '.php'
-                )
-            ) {
-                return false;
-            }
-        }
-        return true;
-    }
-
-
-    /**
-     * Given that the file in $file_path has the normal name, (ie, CLASSNAME.whatever.php),
-     * extract that classname.
-     *
-     * @param string $file_path
-     * @return string
-     */
-    public static function get_classname_from_filepath_with_standard_filename($file_path)
-    {
-        // extract file from path
-        $filename = basename($file_path);
-        // now remove the first period and everything after
-        $pos_of_first_period = strpos($filename, '.');
-        return substr($filename, 0, $pos_of_first_period);
-    }
-
-
-    /**
-     * standardise_directory_separators
-     *  convert all directory separators in a file path.
-     *
-     * @param string $file_path
-     * @return string
-     */
-    public static function standardise_directory_separators($file_path)
-    {
-        return str_replace(['\\', '/'], '/', $file_path);
-    }
-
-
-    /**
-     * end_with_directory_separator
-     *  ensures that file path ends with '/'
-     *
-     * @param string $file_path
-     * @return string
-     */
-    public static function end_with_directory_separator($file_path)
-    {
-        return rtrim($file_path, '/\\') . '/';
-    }
-
-
-    /**
-     * shorthand for both EEH_FIle::end_with_directory_separator AND EEH_File::standardise_directory_separators
-     *
-     * @param $file_path
-     * @return string
-     */
-    public static function standardise_and_end_with_directory_separator($file_path)
-    {
-        return self::end_with_directory_separator(self::standardise_directory_separators($file_path));
-    }
-
-
-    /**
-     * takes the folder name (with or without trailing slash) and finds the files it in,
-     * and what the class's name inside of each should be.
-     *
-     * @param array   $folder_paths
-     * @param boolean $index_numerically if TRUE, the returned array will be indexed numerically;
-     *                                   if FALSE (Default), returned array will be indexed by the filenames minus
-     *                                   extensions. Set it TRUE if you know there are files in the directory with the
-     *                                   same name but different extensions
-     * @return array if $index_numerically == TRUE keys are numeric ,
-     *                                   if $index_numerically == FALSE (Default) keys are what the class names SHOULD
-     *                                   be; and values are their filepaths
-     */
-    public static function get_contents_of_folders($folder_paths = [], $index_numerically = false)
-    {
-        $class_to_folder_path = [];
-        foreach ($folder_paths as $folder_path) {
-            $folder_path = self::standardise_and_end_with_directory_separator($folder_path);
-            // load WP_Filesystem and set file permissions
-            $files_in_folder      = glob($folder_path . '*.php');
-            $class_to_folder_path = [];
-            if ($files_in_folder) {
-                foreach ($files_in_folder as $file_path) {
-                    // only add files, not folders
-                    if (! is_dir($file_path)) {
-                        if ($index_numerically) {
-                            $class_to_folder_path[] = $file_path;
-                        } else {
-                            $classname                          =
-                                self::get_classname_from_filepath_with_standard_filename($file_path);
-                            $class_to_folder_path[ $classname ] = $file_path;
-                        }
-                    }
-                }
-            }
-        }
-        return $class_to_folder_path;
-    }
-
-
-    /**
-     * Copies a file. Mostly a wrapper of WP_Filesystem::copy
-     *
-     * @param string  $source_file
-     * @param string  $destination_file
-     * @param boolean $overwrite
-     * @return boolean success
-     * @throws EE_Error if filesystem credentials are required
-     */
-    public static function copy($source_file, $destination_file, $overwrite = false)
-    {
-        $full_source_path = EEH_File::standardise_directory_separators($source_file);
-        if (! EEH_File::exists($full_source_path)) {
-            if (defined('WP_DEBUG') && WP_DEBUG) {
-                $msg = sprintf(
-                    esc_html__('The file located at "%2$s" is not readable or doesn\'t exist.', 'event_espresso'),
-                    $full_source_path
-                );
-                $msg .= EEH_File::_permissions_error_for_unreadable_filepath($full_source_path);
-                throw new EE_Error($msg);
-            }
-            return false;
-        }
-
-        $full_dest_path = EEH_File::standardise_directory_separators($destination_file);
-        $folder         = EEH_File::remove_filename_from_filepath($full_dest_path);
-        EEH_File::ensure_folder_exists_and_is_writable($folder);
-        if (! EEH_File::verify_is_writable($folder)) {
-            if (defined('WP_DEBUG') && WP_DEBUG) {
-                $msg = sprintf(
-                    esc_html__('The file located at "%2$s" is not writable.', 'event_espresso'),
-                    $full_dest_path
-                );
-                $msg .= EEH_File::_permissions_error_for_unreadable_filepath($full_dest_path);
-                throw new EE_Error($msg);
-            }
-            return false;
-        }
-
-        // load WP_Filesystem and set file permissions
-        $wp_filesystem = EEH_File::_get_wp_filesystem($destination_file);
-        // write the file
-        if (
-            ! $wp_filesystem->copy(
-                EEH_File::convert_local_filepath_to_remote_filepath($full_source_path),
-                EEH_File::convert_local_filepath_to_remote_filepath($full_dest_path),
-                $overwrite
-            )
-        ) {
-            if (defined('WP_DEBUG') && WP_DEBUG) {
-                $msg =
-                    sprintf(
-                        esc_html__(
-                            'Attempted writing to file %1$s, but could not, probably because of permissions issues',
-                            'event_espresso'
-                        ),
-                        $full_source_path
-                    );
-                $msg .= EEH_File::_permissions_error_for_unreadable_filepath($full_source_path, 'f');
-                throw new EE_Error($msg);
-            }
-            return false;
-        }
-        return true;
-    }
-
-
-    /**
-     * Reports whether or not the filepath is in the EE uploads folder or not
-     *
-     * @param string $filepath
-     * @return boolean
-     */
-    public static function is_in_uploads_folder($filepath)
-    {
-        $uploads = wp_upload_dir();
-        return strpos($filepath, $uploads['basedir']) === 0;
-    }
-
-
-    /**
-     * Given a "local" filepath (what you probably thought was the only filepath),
-     * converts it into a "remote" filepath (the filepath the currently-in-use
-     * $wp_filesystem needs to use access the folder or file).
-     * See http://wordpress.stackexchange.com/questions/124900/using-wp-filesystem-in-plugins
-     *
-     * @param string $local_filepath             the filepath to the folder/file locally
-     * @return string the remote filepath (eg the filepath the filesystem method, eg
-     *                                           ftp or ssh, will use to access the folder
-     * @throws EE_Error if filesystem credentials are required
-     */
-    public static function convert_local_filepath_to_remote_filepath($local_filepath)
-    {
-        $wp_filesystem = EEH_File::_get_wp_filesystem($local_filepath);
-        return str_replace(WP_CONTENT_DIR . '/', $wp_filesystem->wp_content_dir(), $local_filepath);
-    }
+	/**
+	 * @var string $_credentials_form
+	 */
+	private static $_credentials_form;
+
+	protected static $_wp_filesystem_direct;
+
+
+	/**
+	 * @param string|null $filepath the filepath we want to work in. If its in the
+	 *                              wp uploads directory, we'll want to just use the filesystem directly.
+	 *                              If not provided, we have to assume its not in the uploads directory
+	 * @return WP_Filesystem_Base
+	 * @throws EE_Error if filesystem credentials are required
+	 */
+	private static function _get_wp_filesystem($filepath = null)
+	{
+		if (
+			apply_filters(
+				'FHEE__EEH_File___get_wp_filesystem__allow_using_filesystem_direct',
+				$filepath && EEH_File::is_in_uploads_folder($filepath),
+				$filepath
+			)
+		) {
+			if (! EEH_File::$_wp_filesystem_direct instanceof WP_Filesystem_Direct) {
+				require_once(ABSPATH . 'wp-admin/includes/class-wp-filesystem-base.php');
+				$method                    = 'direct';
+				$wp_filesystem_direct_file =
+					apply_filters(
+						'filesystem_method_file',
+						ABSPATH . 'wp-admin/includes/class-wp-filesystem-' . $method . '.php',
+						$method
+					);
+				// check constants defined, just like in wp-admin/includes/file.php's WP_Filesystem()
+				if (! defined('FS_CHMOD_DIR')) {
+					define('FS_CHMOD_DIR', (fileperms(ABSPATH) & 0777 | 0755));
+				}
+				if (! defined('FS_CHMOD_FILE')) {
+					define('FS_CHMOD_FILE', (fileperms(ABSPATH . 'index.php') & 0777 | 0644));
+				}
+				require_once($wp_filesystem_direct_file);
+				EEH_File::$_wp_filesystem_direct = new WP_Filesystem_Direct([]);
+			}
+			return EEH_File::$_wp_filesystem_direct;
+		}
+		global $wp_filesystem;
+		// no filesystem setup ???
+		if (! $wp_filesystem instanceof WP_Filesystem_Base) {
+			// if some eager beaver's just trying to get in there too early...
+			// let them do it, because we are one of those eager beavers! :P
+			/**
+			 * more explanations are probably merited. http://codex.wordpress.org/Filesystem_API#Initializing_WP_Filesystem_Base
+			 * says WP_Filesystem should be used after 'wp_loaded', but currently EE's activation process
+			 * is setup to mostly happen on 'init', and refactoring to have it happen on
+			 * 'wp_loaded' is too much work on a BETA milestone.
+			 * So this fix is expected to work if the WP files are owned by the server user,
+			 * but probably not if the user needs to enter their FTP credentials to modify files
+			 * and there may be troubles if the WP files are owned by a different user
+			 * than the server user. But both of these issues should exist in 4.4 and earlier too
+			 */
+			if (false && ! did_action('wp_loaded')) {
+				$msg = esc_html__(
+					'An attempt to access and/or write to a file on the server could not be completed due to a lack of sufficient credentials.',
+					'event_espresso'
+				);
+				if (WP_DEBUG) {
+					$msg .= '<br />';
+					$msg .= esc_html__(
+						'The WP Filesystem can not be accessed until after the "wp_loaded" hook has run, so it\'s best not to attempt access until the "admin_init" hookpoint.',
+						'event_espresso'
+					);
+				}
+				throw new EE_Error($msg);
+			} else {
+				// should be loaded if we are past the wp_loaded hook...
+				if (! function_exists('WP_Filesystem')) {
+					require_once(ABSPATH . 'wp-admin/includes/file.php');
+					require_once(ABSPATH . 'wp-admin/includes/template.php');
+				}
+				// turn on output buffering so that we can capture the credentials form
+				ob_start();
+				$credentials = request_filesystem_credentials('');
+				// store credentials form for the time being
+				EEH_File::$_credentials_form = ob_get_clean();
+				// basically check for direct or previously configured access
+				if (! WP_Filesystem($credentials)) {
+					// if credentials do NOT exist
+					if ($credentials === false) {
+						add_action('admin_notices', ['EEH_File', 'display_request_filesystem_credentials_form'], 999);
+						throw new EE_Error(
+							esc_html__(
+								'An attempt to access and/or write to a file on the server could not be completed due to a lack of sufficient credentials.',
+								'event_espresso'
+							)
+						);
+					} elseif (is_wp_error($wp_filesystem->errors) && $wp_filesystem->errors->get_error_code()) {
+						add_action('admin_notices', ['EEH_File', 'display_request_filesystem_credentials_form'], 999);
+						throw new EE_Error(
+							sprintf(
+								esc_html__('WP Filesystem Error: $1%s', 'event_espresso'),
+								$wp_filesystem->errors->get_error_message()
+							)
+						);
+					}
+				}
+			}
+		}
+		return $wp_filesystem;
+	}
+
+
+	/**
+	 * display_request_filesystem_credentials_form
+	 */
+	public static function display_request_filesystem_credentials_form()
+	{
+		if (! empty(EEH_File::$_credentials_form)) {
+			echo '<div class="updated espresso-notices-attention"><p>' . EEH_File::$_credentials_form . '</p></div>';
+		}
+	}
+
+
+	/**
+	 *    verify_filepath_and_permissions
+	 *    checks that a file is readable and has sufficient file permissions set to access
+	 *
+	 * @access public
+	 * @param string $full_file_path - full server path to the folder or file
+	 * @param string $file_name      - name of file if checking a file
+	 * @param string $file_ext       - file extension (ie: "php") if checking a file
+	 * @param string $type_of_file   - general type of file (ie: "module"), this is only used to improve error messages
+	 * @return bool
+	 * @throws EE_Error if filesystem credentials are required
+	 */
+	public static function verify_filepath_and_permissions(
+		$full_file_path = '',
+		$file_name = '',
+		$file_ext = '',
+		$type_of_file = ''
+	) {
+		// load WP_Filesystem and set file permissions
+		$wp_filesystem  = EEH_File::_get_wp_filesystem($full_file_path);
+		$full_file_path = EEH_File::standardise_directory_separators($full_file_path);
+		if (! $wp_filesystem->is_readable(EEH_File::convert_local_filepath_to_remote_filepath($full_file_path))) {
+			$file_name = ! empty($type_of_file) ? $file_name . ' ' . $type_of_file : $file_name;
+			$file_name .= ! empty($file_ext) ? ' file' : ' folder';
+			$msg       = sprintf(
+				esc_html__(
+					'The requested %1$s could not be found or is not readable, possibly due to an incorrect filepath, or incorrect file permissions.%2$s',
+					'event_espresso'
+				),
+				$file_name,
+				'<br />'
+			);
+			if (EEH_File::exists($full_file_path)) {
+				$msg .= EEH_File::_permissions_error_for_unreadable_filepath($full_file_path, $type_of_file);
+			} else {
+				// no file permissions means the file was not found
+				$msg .= sprintf(
+					esc_html__('Please ensure the following path is correct: "%s".', 'event_espresso'),
+					$full_file_path
+				);
+			}
+			if (defined('WP_DEBUG') && WP_DEBUG) {
+				throw new EE_Error($msg . '||' . $msg);
+			}
+			return false;
+		}
+		return true;
+	}
+
+
+	/**
+	 * _permissions_error_for_unreadable_filepath - attempts to determine why permissions are set incorrectly for a
+	 * file or folder
+	 *
+	 * @access private
+	 * @param string $full_file_path - full server path to the folder or file
+	 * @param string $type_of_file   - general type of file (ie: "module"), this is only used to improve error messages
+	 * @return string
+	 * @throws EE_Error if filesystem credentials are required
+	 */
+	private static function _permissions_error_for_unreadable_filepath($full_file_path = '', $type_of_file = '')
+	{
+		// load WP_Filesystem and set file permissions
+		$wp_filesystem = EEH_File::_get_wp_filesystem($full_file_path);
+		// check file permissions
+		$perms = $wp_filesystem->getchmod(EEH_File::convert_local_filepath_to_remote_filepath($full_file_path));
+		if ($perms) {
+			// file permissions exist, but way be set incorrectly
+			$type_of_file = ! empty($type_of_file) ? $type_of_file . ' ' : '';
+			$type_of_file .= ! empty($type_of_file) ? 'file' : 'folder';
+			return sprintf(
+				esc_html__(
+					'File permissions for the requested %1$s are currently set at "%2$s". The recommended permissions are 644 for files and 755 for folders.',
+					'event_espresso'
+				),
+				$type_of_file,
+				$perms
+			);
+		}
+		// file exists but file permissions could not be read ?!?!
+		return sprintf(
+			esc_html__(
+				'Please ensure that the server and/or PHP configuration allows the current process to access the following file: "%s".',
+				'event_espresso'
+			),
+			$full_file_path
+		);
+	}
+
+
+	/**
+	 * ensure_folder_exists_and_is_writable
+	 * ensures that a folder exists and is writable, will attempt to create folder if it does not exist
+	 * Also ensures all the parent folders exist, and if not tries to create them.
+	 * Also, if this function creates the folder, adds a .htaccess file and index.html file
+	 *
+	 * @param string $folder
+	 * @return bool false if folder isn't writable; true if it exists and is writeable,
+	 * @throws EE_Error if the folder exists and is writeable, but for some reason we
+	 * can't write to it
+	 */
+	public static function ensure_folder_exists_and_is_writable($folder = '')
+	{
+		if (empty($folder)) {
+			return false;
+		}
+		// remove ending /
+		$folder        = EEH_File::standardise_directory_separators(rtrim($folder, '/\\'));
+		$parent_folder = EEH_File::get_parent_folder($folder);
+		// add / to folder
+		$folder        = EEH_File::end_with_directory_separator($folder);
+		$wp_filesystem = EEH_File::_get_wp_filesystem($folder);
+		if (! $wp_filesystem->is_dir(EEH_File::convert_local_filepath_to_remote_filepath($folder))) {
+			// ok so it doesn't exist. Does its parent? Can we write to it?
+			if (! EEH_File::ensure_folder_exists_and_is_writable($parent_folder)) {
+				return false;
+			}
+			if (! EEH_File::verify_is_writable($parent_folder)) {
+				return false;
+			} else {
+				if (! $wp_filesystem->mkdir(EEH_File::convert_local_filepath_to_remote_filepath($folder))) {
+					if (defined('WP_DEBUG') && WP_DEBUG) {
+						$msg = sprintf(esc_html__('"%s" could not be created.', 'event_espresso'), $folder);
+						$msg .= EEH_File::_permissions_error_for_unreadable_filepath($folder);
+						throw new EE_Error($msg);
+					}
+					return false;
+				}
+				EEH_File::add_index_file($folder);
+			}
+		} elseif (! EEH_File::verify_is_writable($folder)) {
+			return false;
+		}
+		return true;
+	}
+
+
+	/**
+	 * verify_is_writable - checks if a file or folder is writable
+	 *
+	 * @param string $full_path      - full server path to file or folder
+	 * @param string $file_or_folder - whether checking a file or folder
+	 * @return bool
+	 * @throws EE_Error if filesystem credentials are required
+	 */
+	public static function verify_is_writable($full_path = '', $file_or_folder = 'folder')
+	{
+		// load WP_Filesystem and set file permissions
+		$wp_filesystem = EEH_File::_get_wp_filesystem($full_path);
+		$full_path     = EEH_File::standardise_directory_separators($full_path);
+		if (! $wp_filesystem->is_writable(EEH_File::convert_local_filepath_to_remote_filepath($full_path))) {
+			if (defined('WP_DEBUG') && WP_DEBUG) {
+				$msg = sprintf(
+					esc_html__('The "%1$s" %2$s is not writable.', 'event_espresso'),
+					$full_path,
+					$file_or_folder
+				);
+				$msg .= EEH_File::_permissions_error_for_unreadable_filepath($full_path);
+				throw new EE_Error($msg);
+			}
+			return false;
+		}
+		return true;
+	}
+
+
+	/**
+	 * ensure_file_exists_and_is_writable
+	 * ensures that a file exists and is writable, will attempt to create file if it does not exist.
+	 * Also ensures all the parent folders exist, and if not tries to create them.
+	 *
+	 * @param string $full_file_path
+	 * @return bool
+	 * @throws EE_Error if filesystem credentials are required
+	 */
+	public static function ensure_file_exists_and_is_writable($full_file_path = '')
+	{
+		// load WP_Filesystem and set file permissions
+		$wp_filesystem  = EEH_File::_get_wp_filesystem($full_file_path);
+		$full_file_path = EEH_File::standardise_directory_separators($full_file_path);
+		$parent_folder  = EEH_File::get_parent_folder($full_file_path);
+		if (! EEH_File::exists($full_file_path)) {
+			if (! EEH_File::ensure_folder_exists_and_is_writable($parent_folder)) {
+				return false;
+			}
+			if (! $wp_filesystem->touch(EEH_File::convert_local_filepath_to_remote_filepath($full_file_path))) {
+				if (defined('WP_DEBUG') && WP_DEBUG) {
+					$msg =
+						sprintf(esc_html__('The "%s" file could not be created.', 'event_espresso'), $full_file_path);
+					$msg .= EEH_File::_permissions_error_for_unreadable_filepath($full_file_path);
+					throw new EE_Error($msg);
+				}
+				return false;
+			}
+		}
+		if (! EEH_File::verify_is_writable($full_file_path, 'file')) {
+			return false;
+		}
+		return true;
+	}
+
+
+	/**
+	 * Gets the parent folder. If provided with file, gets the folder that contains it.
+	 * If provided a folder, gets its parent folder.
+	 *
+	 * @param string $file_or_folder_path
+	 * @return string parent folder, ENDING with a directory separator
+	 */
+	public static function get_parent_folder($file_or_folder_path)
+	{
+		// find the last /, ignoring a / on the very end
+		// eg if given "/var/something/somewhere/", we want to get "somewhere"'s
+		// parent folder, "/var/something/"
+		$ds = strlen($file_or_folder_path) > 1
+			? strrpos($file_or_folder_path, '/', -2)
+			: strlen($file_or_folder_path);
+		return substr($file_or_folder_path, 0, $ds + 1);
+	}
+
+	// public static function ensure_folder_exists_recursively( $folder ) {
+	//
+	// }
+
+
+	/**
+	 * get_file_contents
+	 *
+	 * @param string $full_file_path
+	 * @return string
+	 * @throws EE_Error if filesystem credentials are required
+	 */
+	public static function get_file_contents($full_file_path = '')
+	{
+		$full_file_path = EEH_File::standardise_directory_separators($full_file_path);
+		if (
+			EEH_File::verify_filepath_and_permissions(
+				$full_file_path,
+				EEH_File::get_filename_from_filepath($full_file_path),
+				EEH_File::get_file_extension($full_file_path)
+			)
+		) {
+			// load WP_Filesystem and set file permissions
+			$wp_filesystem = EEH_File::_get_wp_filesystem($full_file_path);
+			return $wp_filesystem->get_contents(EEH_File::convert_local_filepath_to_remote_filepath($full_file_path));
+		}
+		return '';
+	}
+
+
+	/**
+	 * write_file
+	 *
+	 * @param string $full_file_path
+	 * @param string $file_contents - the content to be written to the file
+	 * @param string $file_type
+	 * @return bool
+	 * @throws EE_Error if filesystem credentials are required
+	 */
+	public static function write_to_file($full_file_path = '', $file_contents = '', $file_type = '')
+	{
+		$full_file_path = EEH_File::standardise_directory_separators($full_file_path);
+		$file_type      = ! empty($file_type) ? rtrim($file_type, ' ') . ' ' : '';
+		$folder         = EEH_File::remove_filename_from_filepath($full_file_path);
+		if (! EEH_File::verify_is_writable($folder)) {
+			if (defined('WP_DEBUG') && WP_DEBUG) {
+				$msg = sprintf(
+					esc_html__('The %1$sfile located at "%2$s" is not writable.', 'event_espresso'),
+					$file_type,
+					$full_file_path
+				);
+				$msg .= EEH_File::_permissions_error_for_unreadable_filepath($full_file_path);
+				throw new EE_Error($msg);
+			}
+			return false;
+		}
+		// load WP_Filesystem and set file permissions
+		$wp_filesystem = EEH_File::_get_wp_filesystem($full_file_path);
+		// write the file
+		if (
+			! $wp_filesystem->put_contents(
+				EEH_File::convert_local_filepath_to_remote_filepath($full_file_path),
+				$file_contents
+			)
+		) {
+			if (defined('WP_DEBUG') && WP_DEBUG) {
+				$msg = sprintf(
+					esc_html__('The %1$sfile located at "%2$s" could not be written to.', 'event_espresso'),
+					$file_type,
+					$full_file_path
+				);
+				$msg .= EEH_File::_permissions_error_for_unreadable_filepath($full_file_path, 'f');
+				throw new EE_Error($msg);
+			}
+			return false;
+		}
+		return true;
+	}
+
+
+	/**
+	 * Wrapper for WP_Filesystem_Base::delete
+	 *
+	 * @param string         $filepath
+	 * @param boolean        $recursive
+	 * @param boolean|string $type 'd' for directory, 'f' for file
+	 * @return boolean
+	 * @throws EE_Error if filesystem credentials are required
+	 */
+	public static function delete($filepath, $recursive = false, $type = false)
+	{
+		$wp_filesystem = EEH_File::_get_wp_filesystem();
+		return $wp_filesystem->delete($filepath, $recursive, $type);
+	}
+
+
+	/**
+	 * exists
+	 * checks if a file exists using the WP filesystem
+	 *
+	 * @param string $full_file_path
+	 * @return bool
+	 * @throws EE_Error if filesystem credentials are required
+	 */
+	public static function exists($full_file_path = '')
+	{
+		$wp_filesystem = EEH_File::_get_wp_filesystem($full_file_path);
+		return $wp_filesystem->exists(EEH_File::convert_local_filepath_to_remote_filepath($full_file_path));
+	}
+
+
+	/**
+	 * is_readable
+	 * checks if a file is_readable using the WP filesystem
+	 *
+	 * @param string $full_file_path
+	 * @return bool
+	 * @throws EE_Error if filesystem credentials are required
+	 */
+	public static function is_readable($full_file_path = '')
+	{
+		$wp_filesystem = EEH_File::_get_wp_filesystem($full_file_path);
+		return $wp_filesystem->is_readable(EEH_File::convert_local_filepath_to_remote_filepath($full_file_path));
+	}
+
+
+	/**
+	 * remove_filename_from_filepath
+	 * given a full path to a file including the filename itself, this removes  the filename and returns the path, up
+	 * to, but NOT including the filename OR slash
+	 *
+	 * @param string $full_file_path
+	 * @return string
+	 */
+	public static function remove_filename_from_filepath($full_file_path = '')
+	{
+		return pathinfo($full_file_path, PATHINFO_DIRNAME);
+	}
+
+
+	/**
+	 * get_filename_from_filepath. Arguably the same as basename()
+	 *
+	 * @param string $full_file_path
+	 * @return string
+	 */
+	public static function get_filename_from_filepath($full_file_path = '')
+	{
+		return pathinfo($full_file_path, PATHINFO_BASENAME);
+	}
+
+
+	/**
+	 * get_file_extension
+	 *
+	 * @param string $full_file_path
+	 * @return string
+	 */
+	public static function get_file_extension($full_file_path = '')
+	{
+		return pathinfo($full_file_path, PATHINFO_EXTENSION);
+	}
+
+
+	/**
+	 * add_htaccess_deny_from_all so the webserver cannot access this folder
+	 *
+	 * @param string $folder
+	 * @return bool
+	 * @throws EE_Error if filesystem credentials are required
+	 */
+	public static function add_htaccess_deny_from_all($folder = '')
+	{
+		$folder = EEH_File::standardise_and_end_with_directory_separator($folder);
+		if (! EEH_File::exists($folder . '.htaccess')) {
+			if (! EEH_File::write_to_file($folder . '.htaccess', 'deny from all', '.htaccess')) {
+				return false;
+			}
+		}
+		return true;
+	}
+
+
+	/**
+	 * Adds an index file to this folder, so folks can't list all the file's contents
+	 *
+	 * @param string $folder
+	 * @return boolean
+	 * @throws EE_Error if filesystem credentials are required
+	 */
+	public static function add_index_file($folder)
+	{
+		$folder = EEH_File::standardise_and_end_with_directory_separator($folder);
+		if (! EEH_File::exists($folder . 'index.php')) {
+			if (
+				! EEH_File::write_to_file(
+					$folder . 'index.php',
+					'You are not permitted to read from this folder',
+					'.php'
+				)
+			) {
+				return false;
+			}
+		}
+		return true;
+	}
+
+
+	/**
+	 * Given that the file in $file_path has the normal name, (ie, CLASSNAME.whatever.php),
+	 * extract that classname.
+	 *
+	 * @param string $file_path
+	 * @return string
+	 */
+	public static function get_classname_from_filepath_with_standard_filename($file_path)
+	{
+		// extract file from path
+		$filename = basename($file_path);
+		// now remove the first period and everything after
+		$pos_of_first_period = strpos($filename, '.');
+		return substr($filename, 0, $pos_of_first_period);
+	}
+
+
+	/**
+	 * standardise_directory_separators
+	 *  convert all directory separators in a file path.
+	 *
+	 * @param string $file_path
+	 * @return string
+	 */
+	public static function standardise_directory_separators($file_path)
+	{
+		return str_replace(['\\', '/'], '/', $file_path);
+	}
+
+
+	/**
+	 * end_with_directory_separator
+	 *  ensures that file path ends with '/'
+	 *
+	 * @param string $file_path
+	 * @return string
+	 */
+	public static function end_with_directory_separator($file_path)
+	{
+		return rtrim($file_path, '/\\') . '/';
+	}
+
+
+	/**
+	 * shorthand for both EEH_FIle::end_with_directory_separator AND EEH_File::standardise_directory_separators
+	 *
+	 * @param $file_path
+	 * @return string
+	 */
+	public static function standardise_and_end_with_directory_separator($file_path)
+	{
+		return self::end_with_directory_separator(self::standardise_directory_separators($file_path));
+	}
+
+
+	/**
+	 * takes the folder name (with or without trailing slash) and finds the files it in,
+	 * and what the class's name inside of each should be.
+	 *
+	 * @param array   $folder_paths
+	 * @param boolean $index_numerically if TRUE, the returned array will be indexed numerically;
+	 *                                   if FALSE (Default), returned array will be indexed by the filenames minus
+	 *                                   extensions. Set it TRUE if you know there are files in the directory with the
+	 *                                   same name but different extensions
+	 * @return array if $index_numerically == TRUE keys are numeric ,
+	 *                                   if $index_numerically == FALSE (Default) keys are what the class names SHOULD
+	 *                                   be; and values are their filepaths
+	 */
+	public static function get_contents_of_folders($folder_paths = [], $index_numerically = false)
+	{
+		$class_to_folder_path = [];
+		foreach ($folder_paths as $folder_path) {
+			$folder_path = self::standardise_and_end_with_directory_separator($folder_path);
+			// load WP_Filesystem and set file permissions
+			$files_in_folder      = glob($folder_path . '*.php');
+			$class_to_folder_path = [];
+			if ($files_in_folder) {
+				foreach ($files_in_folder as $file_path) {
+					// only add files, not folders
+					if (! is_dir($file_path)) {
+						if ($index_numerically) {
+							$class_to_folder_path[] = $file_path;
+						} else {
+							$classname                          =
+								self::get_classname_from_filepath_with_standard_filename($file_path);
+							$class_to_folder_path[ $classname ] = $file_path;
+						}
+					}
+				}
+			}
+		}
+		return $class_to_folder_path;
+	}
+
+
+	/**
+	 * Copies a file. Mostly a wrapper of WP_Filesystem::copy
+	 *
+	 * @param string  $source_file
+	 * @param string  $destination_file
+	 * @param boolean $overwrite
+	 * @return boolean success
+	 * @throws EE_Error if filesystem credentials are required
+	 */
+	public static function copy($source_file, $destination_file, $overwrite = false)
+	{
+		$full_source_path = EEH_File::standardise_directory_separators($source_file);
+		if (! EEH_File::exists($full_source_path)) {
+			if (defined('WP_DEBUG') && WP_DEBUG) {
+				$msg = sprintf(
+					esc_html__('The file located at "%2$s" is not readable or doesn\'t exist.', 'event_espresso'),
+					$full_source_path
+				);
+				$msg .= EEH_File::_permissions_error_for_unreadable_filepath($full_source_path);
+				throw new EE_Error($msg);
+			}
+			return false;
+		}
+
+		$full_dest_path = EEH_File::standardise_directory_separators($destination_file);
+		$folder         = EEH_File::remove_filename_from_filepath($full_dest_path);
+		EEH_File::ensure_folder_exists_and_is_writable($folder);
+		if (! EEH_File::verify_is_writable($folder)) {
+			if (defined('WP_DEBUG') && WP_DEBUG) {
+				$msg = sprintf(
+					esc_html__('The file located at "%2$s" is not writable.', 'event_espresso'),
+					$full_dest_path
+				);
+				$msg .= EEH_File::_permissions_error_for_unreadable_filepath($full_dest_path);
+				throw new EE_Error($msg);
+			}
+			return false;
+		}
+
+		// load WP_Filesystem and set file permissions
+		$wp_filesystem = EEH_File::_get_wp_filesystem($destination_file);
+		// write the file
+		if (
+			! $wp_filesystem->copy(
+				EEH_File::convert_local_filepath_to_remote_filepath($full_source_path),
+				EEH_File::convert_local_filepath_to_remote_filepath($full_dest_path),
+				$overwrite
+			)
+		) {
+			if (defined('WP_DEBUG') && WP_DEBUG) {
+				$msg =
+					sprintf(
+						esc_html__(
+							'Attempted writing to file %1$s, but could not, probably because of permissions issues',
+							'event_espresso'
+						),
+						$full_source_path
+					);
+				$msg .= EEH_File::_permissions_error_for_unreadable_filepath($full_source_path, 'f');
+				throw new EE_Error($msg);
+			}
+			return false;
+		}
+		return true;
+	}
+
+
+	/**
+	 * Reports whether or not the filepath is in the EE uploads folder or not
+	 *
+	 * @param string $filepath
+	 * @return boolean
+	 */
+	public static function is_in_uploads_folder($filepath)
+	{
+		$uploads = wp_upload_dir();
+		return strpos($filepath, $uploads['basedir']) === 0;
+	}
+
+
+	/**
+	 * Given a "local" filepath (what you probably thought was the only filepath),
+	 * converts it into a "remote" filepath (the filepath the currently-in-use
+	 * $wp_filesystem needs to use access the folder or file).
+	 * See http://wordpress.stackexchange.com/questions/124900/using-wp-filesystem-in-plugins
+	 *
+	 * @param string $local_filepath             the filepath to the folder/file locally
+	 * @return string the remote filepath (eg the filepath the filesystem method, eg
+	 *                                           ftp or ssh, will use to access the folder
+	 * @throws EE_Error if filesystem credentials are required
+	 */
+	public static function convert_local_filepath_to_remote_filepath($local_filepath)
+	{
+		$wp_filesystem = EEH_File::_get_wp_filesystem($local_filepath);
+		return str_replace(WP_CONTENT_DIR . '/', $wp_filesystem->wp_content_dir(), $local_filepath);
+	}
 }

Spacing +40 added lines, -40 removed lines

@@ -48,21 +48,21 @@ 
                 $filepath
             )
         ) {
-            if (! EEH_File::$_wp_filesystem_direct instanceof WP_Filesystem_Direct) {
-                require_once(ABSPATH . 'wp-admin/includes/class-wp-filesystem-base.php');
+            if ( ! EEH_File::$_wp_filesystem_direct instanceof WP_Filesystem_Direct) {
+                require_once(ABSPATH.'wp-admin/includes/class-wp-filesystem-base.php');
                 $method                    = 'direct';
                 $wp_filesystem_direct_file =
                     apply_filters(
                         'filesystem_method_file',
-                        ABSPATH . 'wp-admin/includes/class-wp-filesystem-' . $method . '.php',
+                        ABSPATH.'wp-admin/includes/class-wp-filesystem-'.$method.'.php',
                         $method
                     );
                 // check constants defined, just like in wp-admin/includes/file.php's WP_Filesystem()
-                if (! defined('FS_CHMOD_DIR')) {
+                if ( ! defined('FS_CHMOD_DIR')) {
                     define('FS_CHMOD_DIR', (fileperms(ABSPATH) & 0777 | 0755));
                 }
-                if (! defined('FS_CHMOD_FILE')) {
-                    define('FS_CHMOD_FILE', (fileperms(ABSPATH . 'index.php') & 0777 | 0644));
+                if ( ! defined('FS_CHMOD_FILE')) {
+                    define('FS_CHMOD_FILE', (fileperms(ABSPATH.'index.php') & 0777 | 0644));
                 }
                 require_once($wp_filesystem_direct_file);
                 EEH_File::$_wp_filesystem_direct = new WP_Filesystem_Direct([]);
@@ -71,7 +71,7 @@ 
         }
         global $wp_filesystem;
         // no filesystem setup ???
-        if (! $wp_filesystem instanceof WP_Filesystem_Base) {
+        if ( ! $wp_filesystem instanceof WP_Filesystem_Base) {
             // if some eager beaver's just trying to get in there too early...
             // let them do it, because we are one of those eager beavers! :P
             /**
@@ -99,9 +99,9 @@ 
                 throw new EE_Error($msg);
             } else {
                 // should be loaded if we are past the wp_loaded hook...
-                if (! function_exists('WP_Filesystem')) {
-                    require_once(ABSPATH . 'wp-admin/includes/file.php');
-                    require_once(ABSPATH . 'wp-admin/includes/template.php');
+                if ( ! function_exists('WP_Filesystem')) {
+                    require_once(ABSPATH.'wp-admin/includes/file.php');
+                    require_once(ABSPATH.'wp-admin/includes/template.php');
                 }
                 // turn on output buffering so that we can capture the credentials form
                 ob_start();
@@ -109,7 +109,7 @@ 
                 // store credentials form for the time being
                 EEH_File::$_credentials_form = ob_get_clean();
                 // basically check for direct or previously configured access
-                if (! WP_Filesystem($credentials)) {
+                if ( ! WP_Filesystem($credentials)) {
                     // if credentials do NOT exist
                     if ($credentials === false) {
                         add_action('admin_notices', ['EEH_File', 'display_request_filesystem_credentials_form'], 999);
@@ -140,8 +140,8 @@ 
      */
     public static function display_request_filesystem_credentials_form()
     {
-        if (! empty(EEH_File::$_credentials_form)) {
-            echo '<div class="updated espresso-notices-attention"><p>' . EEH_File::$_credentials_form . '</p></div>';
+        if ( ! empty(EEH_File::$_credentials_form)) {
+            echo '<div class="updated espresso-notices-attention"><p>'.EEH_File::$_credentials_form.'</p></div>';
         }
     }
 
@@ -167,8 +167,8 @@ 
         // load WP_Filesystem and set file permissions
         $wp_filesystem  = EEH_File::_get_wp_filesystem($full_file_path);
         $full_file_path = EEH_File::standardise_directory_separators($full_file_path);
-        if (! $wp_filesystem->is_readable(EEH_File::convert_local_filepath_to_remote_filepath($full_file_path))) {
-            $file_name = ! empty($type_of_file) ? $file_name . ' ' . $type_of_file : $file_name;
+        if ( ! $wp_filesystem->is_readable(EEH_File::convert_local_filepath_to_remote_filepath($full_file_path))) {
+            $file_name = ! empty($type_of_file) ? $file_name.' '.$type_of_file : $file_name;
             $file_name .= ! empty($file_ext) ? ' file' : ' folder';
             $msg       = sprintf(
                 esc_html__(
@@ -188,7 +188,7 @@ 
                 );
             }
             if (defined('WP_DEBUG') && WP_DEBUG) {
-                throw new EE_Error($msg . '||' . $msg);
+                throw new EE_Error($msg.'||'.$msg);
             }
             return false;
         }
@@ -214,7 +214,7 @@ 
         $perms = $wp_filesystem->getchmod(EEH_File::convert_local_filepath_to_remote_filepath($full_file_path));
         if ($perms) {
             // file permissions exist, but way be set incorrectly
-            $type_of_file = ! empty($type_of_file) ? $type_of_file . ' ' : '';
+            $type_of_file = ! empty($type_of_file) ? $type_of_file.' ' : '';
             $type_of_file .= ! empty($type_of_file) ? 'file' : 'folder';
             return sprintf(
                 esc_html__(
@@ -258,15 +258,15 @@ 
         // add / to folder
         $folder        = EEH_File::end_with_directory_separator($folder);
         $wp_filesystem = EEH_File::_get_wp_filesystem($folder);
-        if (! $wp_filesystem->is_dir(EEH_File::convert_local_filepath_to_remote_filepath($folder))) {
+        if ( ! $wp_filesystem->is_dir(EEH_File::convert_local_filepath_to_remote_filepath($folder))) {
             // ok so it doesn't exist. Does its parent? Can we write to it?
-            if (! EEH_File::ensure_folder_exists_and_is_writable($parent_folder)) {
+            if ( ! EEH_File::ensure_folder_exists_and_is_writable($parent_folder)) {
                 return false;
             }
-            if (! EEH_File::verify_is_writable($parent_folder)) {
+            if ( ! EEH_File::verify_is_writable($parent_folder)) {
                 return false;
             } else {
-                if (! $wp_filesystem->mkdir(EEH_File::convert_local_filepath_to_remote_filepath($folder))) {
+                if ( ! $wp_filesystem->mkdir(EEH_File::convert_local_filepath_to_remote_filepath($folder))) {
                     if (defined('WP_DEBUG') && WP_DEBUG) {
                         $msg = sprintf(esc_html__('"%s" could not be created.', 'event_espresso'), $folder);
                         $msg .= EEH_File::_permissions_error_for_unreadable_filepath($folder);
@@ -276,7 +276,7 @@ 
                 }
                 EEH_File::add_index_file($folder);
             }
-        } elseif (! EEH_File::verify_is_writable($folder)) {
+        } elseif ( ! EEH_File::verify_is_writable($folder)) {
             return false;
         }
         return true;
@@ -296,7 +296,7 @@ 
         // load WP_Filesystem and set file permissions
         $wp_filesystem = EEH_File::_get_wp_filesystem($full_path);
         $full_path     = EEH_File::standardise_directory_separators($full_path);
-        if (! $wp_filesystem->is_writable(EEH_File::convert_local_filepath_to_remote_filepath($full_path))) {
+        if ( ! $wp_filesystem->is_writable(EEH_File::convert_local_filepath_to_remote_filepath($full_path))) {
             if (defined('WP_DEBUG') && WP_DEBUG) {
                 $msg = sprintf(
                     esc_html__('The "%1$s" %2$s is not writable.', 'event_espresso'),
@@ -327,11 +327,11 @@ 
         $wp_filesystem  = EEH_File::_get_wp_filesystem($full_file_path);
         $full_file_path = EEH_File::standardise_directory_separators($full_file_path);
         $parent_folder  = EEH_File::get_parent_folder($full_file_path);
-        if (! EEH_File::exists($full_file_path)) {
-            if (! EEH_File::ensure_folder_exists_and_is_writable($parent_folder)) {
+        if ( ! EEH_File::exists($full_file_path)) {
+            if ( ! EEH_File::ensure_folder_exists_and_is_writable($parent_folder)) {
                 return false;
             }
-            if (! $wp_filesystem->touch(EEH_File::convert_local_filepath_to_remote_filepath($full_file_path))) {
+            if ( ! $wp_filesystem->touch(EEH_File::convert_local_filepath_to_remote_filepath($full_file_path))) {
                 if (defined('WP_DEBUG') && WP_DEBUG) {
                     $msg =
                         sprintf(esc_html__('The "%s" file could not be created.', 'event_espresso'), $full_file_path);
@@ -341,7 +341,7 @@ 
                 return false;
             }
         }
-        if (! EEH_File::verify_is_writable($full_file_path, 'file')) {
+        if ( ! EEH_File::verify_is_writable($full_file_path, 'file')) {
             return false;
         }
         return true;
@@ -408,9 +408,9 @@ 
     public static function write_to_file($full_file_path = '', $file_contents = '', $file_type = '')
     {
         $full_file_path = EEH_File::standardise_directory_separators($full_file_path);
-        $file_type      = ! empty($file_type) ? rtrim($file_type, ' ') . ' ' : '';
+        $file_type      = ! empty($file_type) ? rtrim($file_type, ' ').' ' : '';
         $folder         = EEH_File::remove_filename_from_filepath($full_file_path);
-        if (! EEH_File::verify_is_writable($folder)) {
+        if ( ! EEH_File::verify_is_writable($folder)) {
             if (defined('WP_DEBUG') && WP_DEBUG) {
                 $msg = sprintf(
                     esc_html__('The %1$sfile located at "%2$s" is not writable.', 'event_espresso'),
@@ -540,8 +540,8 @@ 
     public static function add_htaccess_deny_from_all($folder = '')
     {
         $folder = EEH_File::standardise_and_end_with_directory_separator($folder);
-        if (! EEH_File::exists($folder . '.htaccess')) {
-            if (! EEH_File::write_to_file($folder . '.htaccess', 'deny from all', '.htaccess')) {
+        if ( ! EEH_File::exists($folder.'.htaccess')) {
+            if ( ! EEH_File::write_to_file($folder.'.htaccess', 'deny from all', '.htaccess')) {
                 return false;
             }
         }
@@ -559,10 +559,10 @@ 
     public static function add_index_file($folder)
     {
         $folder = EEH_File::standardise_and_end_with_directory_separator($folder);
-        if (! EEH_File::exists($folder . 'index.php')) {
+        if ( ! EEH_File::exists($folder.'index.php')) {
             if (
                 ! EEH_File::write_to_file(
-                    $folder . 'index.php',
+                    $folder.'index.php',
                     'You are not permitted to read from this folder',
                     '.php'
                 )
@@ -613,7 +613,7 @@ 
      */
     public static function end_with_directory_separator($file_path)
     {
-        return rtrim($file_path, '/\\') . '/';
+        return rtrim($file_path, '/\\').'/';
     }
 
 
@@ -648,18 +648,18 @@ 
         foreach ($folder_paths as $folder_path) {
             $folder_path = self::standardise_and_end_with_directory_separator($folder_path);
             // load WP_Filesystem and set file permissions
-            $files_in_folder      = glob($folder_path . '*.php');
+            $files_in_folder      = glob($folder_path.'*.php');
             $class_to_folder_path = [];
             if ($files_in_folder) {
                 foreach ($files_in_folder as $file_path) {
                     // only add files, not folders
-                    if (! is_dir($file_path)) {
+                    if ( ! is_dir($file_path)) {
                         if ($index_numerically) {
                             $class_to_folder_path[] = $file_path;
                         } else {
                             $classname                          =
                                 self::get_classname_from_filepath_with_standard_filename($file_path);
-                            $class_to_folder_path[ $classname ] = $file_path;
+                            $class_to_folder_path[$classname] = $file_path;
                         }
                     }
                 }
@@ -681,7 +681,7 @@ 
     public static function copy($source_file, $destination_file, $overwrite = false)
     {
         $full_source_path = EEH_File::standardise_directory_separators($source_file);
-        if (! EEH_File::exists($full_source_path)) {
+        if ( ! EEH_File::exists($full_source_path)) {
             if (defined('WP_DEBUG') && WP_DEBUG) {
                 $msg = sprintf(
                     esc_html__('The file located at "%2$s" is not readable or doesn\'t exist.', 'event_espresso'),
@@ -696,7 +696,7 @@ 
         $full_dest_path = EEH_File::standardise_directory_separators($destination_file);
         $folder         = EEH_File::remove_filename_from_filepath($full_dest_path);
         EEH_File::ensure_folder_exists_and_is_writable($folder);
-        if (! EEH_File::verify_is_writable($folder)) {
+        if ( ! EEH_File::verify_is_writable($folder)) {
             if (defined('WP_DEBUG') && WP_DEBUG) {
                 $msg = sprintf(
                     esc_html__('The file located at "%2$s" is not writable.', 'event_espresso'),
@@ -763,6 +763,6 @@ 
     public static function convert_local_filepath_to_remote_filepath($local_filepath)
     {
         $wp_filesystem = EEH_File::_get_wp_filesystem($local_filepath);
-        return str_replace(WP_CONTENT_DIR . '/', $wp_filesystem->wp_content_dir(), $local_filepath);
+        return str_replace(WP_CONTENT_DIR.'/', $wp_filesystem->wp_content_dir(), $local_filepath);
     }
 }