eventespresso / event-espresso-core

core/db_classes/EE_Datetime.class.php

Indentation +1524 added lines, -1524 removed lines

@@ -13,1532 +13,1532 @@
 class EE_Datetime extends EE_Soft_Delete_Base_Class
 {
 
-    /**
-     * constant used by get_active_status, indicates datetime has no more available spaces
-     */
-    const sold_out = 'DTS';
-
-    /**
-     * constant used by get_active_status, indicating datetime is still active (even is not over, can be registered-for)
-     */
-    const active = 'DTA';
-
-    /**
-     * constant used by get_active_status, indicating the datetime cannot be used for registrations yet, but has not
-     * expired
-     */
-    const upcoming = 'DTU';
-
-    /**
-     * Datetime is postponed
-     */
-    const postponed = 'DTP';
-
-    /**
-     * Datetime is cancelled
-     */
-    const cancelled = 'DTC';
-
-    /**
-     * constant used by get_active_status, indicates datetime has expired (event is over)
-     */
-    const expired = 'DTE';
-
-    /**
-     * constant used in various places indicating that an event is INACTIVE (not yet ready to be published)
-     */
-    const inactive = 'DTI';
-
-
-    /**
-     * @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  $date_formats      incoming date_formats in an array where the first value is the date_format
-     *                                  and the second value is the time format
-     * @return EE_Datetime
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     */
-    public static function new_instance($props_n_values = array(), $timezone = null, $date_formats = array())
-    {
-        $has_object = parent::_check_for_object(
-            $props_n_values,
-            __CLASS__,
-            $timezone,
-            $date_formats
-        );
-        return $has_object
-            ? $has_object
-            : new self($props_n_values, false, $timezone, $date_formats);
-    }
-
-
-    /**
-     * @param array  $props_n_values  incoming values from the database
-     * @param string $timezone        incoming timezone as set by the model.  If not set the timezone for
-     *                                the website will be used.
-     * @return EE_Datetime
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     */
-    public static function new_instance_from_db($props_n_values = array(), $timezone = null)
-    {
-        return new self($props_n_values, true, $timezone);
-    }
-
-
-    /**
-     * @param $name
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     */
-    public function set_name($name)
-    {
-        $this->set('DTT_name', $name);
-    }
-
-
-    /**
-     * @param $description
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     */
-    public function set_description($description)
-    {
-        $this->set('DTT_description', $description);
-    }
-
-
-    /**
-     * Set event start date
-     * set the start date for an event
-     *
-     * @param string $date a string representation of the event's date ex:  Dec. 25, 2025 or 12-25-2025
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     */
-    public function set_start_date($date)
-    {
-        $this->_set_date_for($date, 'DTT_EVT_start');
-    }
-
-
-    /**
-     * Set event start time
-     * set the start time for an event
-     *
-     * @param string $time a string representation of the event time ex:  9am  or  7:30 PM
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     */
-    public function set_start_time($time)
-    {
-        $this->_set_time_for($time, 'DTT_EVT_start');
-    }
-
-
-    /**
-     * Set event end date
-     * set the end date for an event
-     *
-     * @param string $date a string representation of the event's date ex:  Dec. 25, 2025 or 12-25-2025
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     */
-    public function set_end_date($date)
-    {
-        $this->_set_date_for($date, 'DTT_EVT_end');
-    }
-
-
-    /**
-     * Set event end time
-     * set the end time for an event
-     *
-     * @param string $time a string representation of the event time ex:  9am  or  7:30 PM
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     */
-    public function set_end_time($time)
-    {
-        $this->_set_time_for($time, 'DTT_EVT_end');
-    }
-
-
-    /**
-     * Set registration limit
-     * set the maximum number of attendees that can be registered for this datetime slot
-     *
-     * @param int $reg_limit
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     */
-    public function set_reg_limit($reg_limit)
-    {
-        $this->set('DTT_reg_limit', $reg_limit);
-    }
-
-
-    /**
-     * get the number of tickets sold for this datetime slot
-     *
-     * @return mixed int on success, FALSE on fail
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     */
-    public function sold()
-    {
-        return $this->get_raw('DTT_sold');
-    }
-
-
-    /**
-     * @param int $sold
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     */
-    public function set_sold($sold)
-    {
-        // sold can not go below zero
-        $sold = max(0, $sold);
-        $this->set('DTT_sold', $sold);
-    }
-
-
-    /**
-     * Increments sold by amount passed by $qty, and persists it immediately to the database.
-     * Simultaneously decreases the reserved count, unless $also_decrease_reserved is false.
-     *
-     * @param int $qty
-     * @param boolean $also_decrease_reserved
-     * @return boolean indicating success
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     */
-    public function increaseSold($qty = 1, $also_decrease_reserved = true)
-    {
-        $qty = absint($qty);
-        if ($also_decrease_reserved) {
-            $success = $this->adjustNumericFieldsInDb(
-                [
-                    'DTT_reserved' => $qty * -1,
-                    'DTT_sold' => $qty
-                ]
-            );
-        } else {
-            $success = $this->adjustNumericFieldsInDb(
-                [
-                    'DTT_sold' => $qty
-                ]
-            );
-        }
-
-        do_action(
-            'AHEE__EE_Datetime__increase_sold',
-            $this,
-            $qty,
-            $this->sold(),
-            $success
-        );
-        return $success;
-    }
-
-
-    /**
-     * Decrements (subtracts) sold amount passed by $qty directly in the DB and on the model object. (Ie, no need
-     * to save afterwards.)
-     *
-     * @param int $qty
-     * @return boolean indicating success
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     */
-    public function decreaseSold($qty = 1)
-    {
-        $qty = absint($qty);
-        $success = $this->adjustNumericFieldsInDb(
-            [
-                'DTT_sold' => $qty * -1
-            ]
-        );
-        do_action(
-            'AHEE__EE_Datetime__decrease_sold',
-            $this,
-            $qty,
-            $this->sold(),
-            $success
-        );
-        return $success;
-    }
-
-
-    /**
-     * Gets qty of reserved tickets for this datetime
-     *
-     * @return int
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     */
-    public function reserved()
-    {
-        return $this->get_raw('DTT_reserved');
-    }
-
-
-    /**
-     * Sets qty of reserved tickets for this datetime
-     *
-     * @param int $reserved
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     */
-    public function set_reserved($reserved)
-    {
-        // reserved can not go below zero
-        $reserved = max(0, (int) $reserved);
-        $this->set('DTT_reserved', $reserved);
-    }
-
-
-    /**
-     * Increments reserved by amount passed by $qty, and persists it immediately to the database.
-     *
-     * @param int $qty
-     * @return boolean indicating success
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     */
-    public function increaseReserved($qty = 1)
-    {
-        $qty = absint($qty);
-        $success = $this->incrementFieldConditionallyInDb(
-            'DTT_reserved',
-            'DTT_sold',
-            'DTT_reg_limit',
-            $qty
-        );
-        do_action(
-            'AHEE__EE_Datetime__increase_reserved',
-            $this,
-            $qty,
-            $this->reserved(),
-            $success
-        );
-        return $success;
-    }
-
-
-    /**
-     * Decrements (subtracts) reserved by amount passed by $qty, and persists it immediately to the database.
-     *
-     * @param int $qty
-     * @return boolean indicating success
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     */
-    public function decreaseReserved($qty = 1)
-    {
-        $qty = absint($qty);
-        $success = $this->adjustNumericFieldsInDb(
-            [
-                'DTT_reserved' => $qty * -1
-            ]
-        );
-        do_action(
-            'AHEE__EE_Datetime__decrease_reserved',
-            $this,
-            $qty,
-            $this->reserved(),
-            $success
-        );
-        return $success;
-    }
-
-
-    /**
-     * total sold and reserved tickets
-     *
-     * @return int
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     */
-    public function sold_and_reserved()
-    {
-        return $this->sold() + $this->reserved();
-    }
-
-
-    /**
-     * returns the datetime name
-     *
-     * @return string
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     */
-    public function name()
-    {
-        return $this->get('DTT_name');
-    }
-
-
-    /**
-     * returns the datetime description
-     *
-     * @return string
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     */
-    public function description()
-    {
-        return $this->get('DTT_description');
-    }
-
-
-    /**
-     * This helper simply returns whether the event_datetime for the current datetime is a primary datetime
-     *
-     * @return boolean  TRUE if is primary, FALSE if not.
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     */
-    public function is_primary()
-    {
-        return $this->get('DTT_is_primary');
-    }
-
-
-    /**
-     * This helper simply returns the order for the datetime
-     *
-     * @return int  The order of the datetime for this event.
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     */
-    public function order()
-    {
-        return $this->get('DTT_order');
-    }
-
-
-    /**
-     * This helper simply returns the parent id for the datetime
-     *
-     * @return int
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     */
-    public function parent()
-    {
-        return $this->get('DTT_parent');
-    }
-
-
-    /**
-     * show date and/or time
-     *
-     * @param string $date_or_time    whether to display a date or time or both
-     * @param string $start_or_end    whether to display start or end datetimes
-     * @param string $dt_frmt
-     * @param string $tm_frmt
-     * @param bool   $echo            whether we echo or return (note echoing uses "pretty" formats,
-     *                                otherwise we use the standard formats)
-     * @return string|bool  string on success, FALSE on fail
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     */
-    private function _show_datetime(
-        $date_or_time = null,
-        $start_or_end = 'start',
-        $dt_frmt = '',
-        $tm_frmt = '',
-        $echo = false
-    ) {
-        $field_name = "DTT_EVT_{$start_or_end}";
-        $dtt = $this->_get_datetime(
-            $field_name,
-            $dt_frmt,
-            $tm_frmt,
-            $date_or_time,
-            $echo
-        );
-        if (! $echo) {
-            return $dtt;
-        }
-        return '';
-    }
-
-
-    /**
-     * get event start date.  Provide either the date format, or NULL to re-use the
-     * last-used format, or '' to use the default date format
-     *
-     * @param string $dt_frmt string representation of date format defaults to 'F j, Y'
-     * @return mixed            string on success, FALSE on fail
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     */
-    public function start_date($dt_frmt = '')
-    {
-        return $this->_show_datetime('D', 'start', $dt_frmt);
-    }
-
-
-    /**
-     * Echoes start_date()
-     *
-     * @param string $dt_frmt
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     */
-    public function e_start_date($dt_frmt = '')
-    {
-        $this->_show_datetime('D', 'start', $dt_frmt, null, true);
-    }
-
-
-    /**
-     * get end date. Provide either the date format, or NULL to re-use the
-     * last-used format, or '' to use the default date format
-     *
-     * @param string $dt_frmt string representation of date format defaults to 'F j, Y'
-     * @return mixed            string on success, FALSE on fail
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     */
-    public function end_date($dt_frmt = '')
-    {
-        return $this->_show_datetime('D', 'end', $dt_frmt);
-    }
-
-
-    /**
-     * Echoes the end date. See end_date()
-     *
-     * @param string $dt_frmt
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     */
-    public function e_end_date($dt_frmt = '')
-    {
-        $this->_show_datetime('D', 'end', $dt_frmt, null, true);
-    }
-
-
-    /**
-     * get date_range - meaning the start AND end date
-     *
-     * @access public
-     * @param string $dt_frmt     string representation of date format defaults to WP settings
-     * @param string $conjunction conjunction junction what's your function ?
-     *                            this string joins the start date with the end date ie: Jan 01 "to" Dec 31
-     * @return mixed              string on success, FALSE on fail
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     */
-    public function date_range($dt_frmt = '', $conjunction = ' - ')
-    {
-        $dt_frmt = ! empty($dt_frmt) ? $dt_frmt : $this->_dt_frmt;
-        $start = str_replace(
-            ' ',
-            ' ',
-            $this->get_i18n_datetime('DTT_EVT_start', $dt_frmt)
-        );
-        $end = str_replace(
-            ' ',
-            ' ',
-            $this->get_i18n_datetime('DTT_EVT_end', $dt_frmt)
-        );
-        return $start !== $end ? $start . $conjunction . $end : $start;
-    }
-
-
-    /**
-     * @param string $dt_frmt
-     * @param string $conjunction
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     */
-    public function e_date_range($dt_frmt = '', $conjunction = ' - ')
-    {
-        echo $this->date_range($dt_frmt, $conjunction);
-    }
-
-
-    /**
-     * get start time
-     *
-     * @param string $tm_format - string representation of time format defaults to 'g:i a'
-     * @return mixed        string on success, FALSE on fail
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     */
-    public function start_time($tm_format = '')
-    {
-        return $this->_show_datetime('T', 'start', null, $tm_format);
-    }
-
-
-    /**
-     * @param string $tm_format
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     */
-    public function e_start_time($tm_format = '')
-    {
-        $this->_show_datetime('T', 'start', null, $tm_format, true);
-    }
-
-
-    /**
-     * get end time
-     *
-     * @param string $tm_format string representation of time format defaults to 'g:i a'
-     * @return mixed                string on success, FALSE on fail
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     */
-    public function end_time($tm_format = '')
-    {
-        return $this->_show_datetime('T', 'end', null, $tm_format);
-    }
-
-
-    /**
-     * @param string $tm_format
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     */
-    public function e_end_time($tm_format = '')
-    {
-        $this->_show_datetime('T', 'end', null, $tm_format, true);
-    }
-
-
-    /**
-     * get time_range
-     *
-     * @access public
-     * @param string $tm_format   string representation of time format defaults to 'g:i a'
-     * @param string $conjunction conjunction junction what's your function ?
-     *                            this string joins the start date with the end date ie: Jan 01 "to" Dec 31
-     * @return mixed              string on success, FALSE on fail
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     */
-    public function time_range($tm_format = '', $conjunction = ' - ')
-    {
-        $tm_format = ! empty($tm_format) ? $tm_format : $this->_tm_frmt;
-        $start = str_replace(
-            ' ',
-            ' ',
-            $this->get_i18n_datetime('DTT_EVT_start', $tm_format)
-        );
-        $end = str_replace(
-            ' ',
-            ' ',
-            $this->get_i18n_datetime('DTT_EVT_end', $tm_format)
-        );
-        return $start !== $end ? $start . $conjunction . $end : $start;
-    }
-
-
-    /**
-     * @param string $tm_format
-     * @param string $conjunction
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     */
-    public function e_time_range($tm_format = '', $conjunction = ' - ')
-    {
-        echo $this->time_range($tm_format, $conjunction);
-    }
-
-
-    /**
-     * This returns a range representation of the date and times.
-     * Output is dependent on the difference (or similarity) between DTT_EVT_start and DTT_EVT_end.
-     * Also, the return value is localized.
-     *
-     * @param string $dt_format
-     * @param string $tm_format
-     * @param string $conjunction used between two different dates or times.
-     *                            ex: Dec 1{$conjunction}}Dec 6, or 2pm{$conjunction}3pm
-     * @param string $separator   used between the date and time formats.
-     *                            ex: Dec 1, 2016{$separator}2pm
-     * @return string
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     */
-    public function date_and_time_range(
-        $dt_format = '',
-        $tm_format = '',
-        $conjunction = ' - ',
-        $separator = ' '
-    ) {
-        $dt_format = ! empty($dt_format) ? $dt_format : $this->_dt_frmt;
-        $tm_format = ! empty($tm_format) ? $tm_format : $this->_tm_frmt;
-        $full_format = $dt_format . $separator . $tm_format;
-        // the range output depends on various conditions
-        switch (true) {
-            // start date timestamp and end date timestamp are the same.
-            case ($this->get_raw('DTT_EVT_start') === $this->get_raw('DTT_EVT_end')):
-                $output = $this->get_i18n_datetime('DTT_EVT_start', $full_format);
-                break;
-            // start and end date are the same but times are different
-            case ($this->start_date() === $this->end_date()):
-                $output = $this->get_i18n_datetime('DTT_EVT_start', $full_format)
-                          . $conjunction
-                          . $this->get_i18n_datetime('DTT_EVT_end', $tm_format);
-                break;
-            // all other conditions
-            default:
-                $output = $this->get_i18n_datetime('DTT_EVT_start', $full_format)
-                          . $conjunction
-                          . $this->get_i18n_datetime('DTT_EVT_end', $full_format);
-                break;
-        }
-        return $output;
-    }
-
-
-    /**
-     * This echos the results of date and time range.
-     *
-     * @see date_and_time_range() for more details on purpose.
-     * @param string $dt_format
-     * @param string $tm_format
-     * @param string $conjunction
-     * @return void
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     */
-    public function e_date_and_time_range($dt_format = '', $tm_format = '', $conjunction = ' - ')
-    {
-        echo $this->date_and_time_range($dt_format, $tm_format, $conjunction);
-    }
-
-
-    /**
-     * get start date and start time
-     *
-     * @param    string $dt_format - string representation of date format defaults to 'F j, Y'
-     * @param    string $tm_format - string representation of time format defaults to 'g:i a'
-     * @return    mixed    string on success, FALSE on fail
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     */
-    public function start_date_and_time($dt_format = '', $tm_format = '')
-    {
-        return $this->_show_datetime('', 'start', $dt_format, $tm_format);
-    }
-
-
-    /**
-     * @param string $dt_frmt
-     * @param string $tm_format
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     */
-    public function e_start_date_and_time($dt_frmt = '', $tm_format = '')
-    {
-        $this->_show_datetime('', 'start', $dt_frmt, $tm_format, true);
-    }
-
-
-    /**
-     * Shows the length of the event (start to end time).
-     * Can be shown in 'seconds','minutes','hours', or 'days'.
-     * By default, rounds up. (So if you use 'days', and then event
-     * only occurs for 1 hour, it will return 1 day).
-     *
-     * @param string $units 'seconds','minutes','hours','days'
-     * @param bool   $round_up
-     * @return float|int|mixed
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     */
-    public function length($units = 'seconds', $round_up = false)
-    {
-        $start = $this->get_raw('DTT_EVT_start');
-        $end = $this->get_raw('DTT_EVT_end');
-        $length_in_units = $end - $start;
-        switch ($units) {
-            // NOTE: We purposefully don't use "break;" in order to chain the divisions
-            /** @noinspection PhpMissingBreakStatementInspection */
-            // phpcs:disable PSR2.ControlStructures.SwitchDeclaration.TerminatingComment
-            case 'days':
-                $length_in_units /= 24;
-            /** @noinspection PhpMissingBreakStatementInspection */
-            case 'hours':
-                // fall through is intentional
-                $length_in_units /= 60;
-            /** @noinspection PhpMissingBreakStatementInspection */
-            case 'minutes':
-                // fall through is intentional
-                $length_in_units /= 60;
-            case 'seconds':
-            default:
-                $length_in_units = ceil($length_in_units);
-        }
-        // phpcs:enable
-        if ($round_up) {
-            $length_in_units = max($length_in_units, 1);
-        }
-        return $length_in_units;
-    }
-
-
-    /**
-     *        get end date and time
-     *
-     * @param string $dt_frmt   - string representation of date format defaults to 'F j, Y'
-     * @param string $tm_format - string representation of time format defaults to 'g:i a'
-     * @return    mixed                string on success, FALSE on fail
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     */
-    public function end_date_and_time($dt_frmt = '', $tm_format = '')
-    {
-        return $this->_show_datetime('', 'end', $dt_frmt, $tm_format);
-    }
-
-
-    /**
-     * @param string $dt_frmt
-     * @param string $tm_format
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     */
-    public function e_end_date_and_time($dt_frmt = '', $tm_format = '')
-    {
-        $this->_show_datetime('', 'end', $dt_frmt, $tm_format, true);
-    }
-
-
-    /**
-     *        get start timestamp
-     *
-     * @return        int
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     */
-    public function start()
-    {
-        return $this->get_raw('DTT_EVT_start');
-    }
-
-
-    /**
-     *        get end timestamp
-     *
-     * @return        int
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     */
-    public function end()
-    {
-        return $this->get_raw('DTT_EVT_end');
-    }
-
-
-    /**
-     *    get the registration limit for this datetime slot
-     *
-     * @return        mixed        int on success, FALSE on fail
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     */
-    public function reg_limit()
-    {
-        return $this->get_raw('DTT_reg_limit');
-    }
-
-
-    /**
-     *    have the tickets sold for this datetime, met or exceed the registration limit ?
-     *
-     * @return        boolean
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     */
-    public function sold_out()
-    {
-        return $this->reg_limit() > 0 && $this->sold() >= $this->reg_limit();
-    }
-
-
-    /**
-     * return the total number of spaces remaining at this venue.
-     * This only takes the venue's capacity into account, NOT the tickets available for sale
-     *
-     * @param bool $consider_tickets Whether to consider tickets remaining when determining if there are any spaces left
-     *                               Because if all tickets attached to this datetime have no spaces left,
-     *                               then this datetime IS effectively sold out.
-     *                               However, there are cases where we just want to know the spaces
-     *                               remaining for this particular datetime, hence the flag.
-     * @return int
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     */
-    public function spaces_remaining($consider_tickets = false)
-    {
-        // tickets remaining available for purchase
-        // no need for special checks for infinite, because if DTT_reg_limit == EE_INF, then EE_INF - x = EE_INF
-        $dtt_remaining = $this->reg_limit() - $this->sold_and_reserved();
-        if (! $consider_tickets) {
-            return $dtt_remaining;
-        }
-        $tickets_remaining = $this->tickets_remaining();
-        return min($dtt_remaining, $tickets_remaining);
-    }
-
-
-    /**
-     * Counts the total tickets available
-     * (from all the different types of tickets which are available for this datetime).
-     *
-     * @param array $query_params @see https://github.com/eventespresso/event-espresso-core/tree/master/docs/G--Model-System/model-query-params.md
-     * @return int
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     */
-    public function tickets_remaining($query_params = array())
-    {
-        $sum = 0;
-        $tickets = $this->tickets($query_params);
-        if (! empty($tickets)) {
-            foreach ($tickets as $ticket) {
-                if ($ticket instanceof EE_Ticket) {
-                    // get the actual amount of tickets that can be sold
-                    $qty = $ticket->qty('saleable');
-                    if ($qty === EE_INF) {
-                        return EE_INF;
-                    }
-                    // no negative ticket quantities plz
-                    if ($qty > 0) {
-                        $sum += $qty;
-                    }
-                }
-            }
-        }
-        return $sum;
-    }
-
-
-    /**
-     * Gets the count of all the tickets available at this datetime (not ticket types)
-     * before any were sold
-     *
-     * @param array $query_params @see https://github.com/eventespresso/event-espresso-core/tree/master/docs/G--Model-System/model-query-params.md
-     * @return int
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     */
-    public function sum_tickets_initially_available($query_params = array())
-    {
-        return $this->sum_related('Ticket', $query_params, 'TKT_qty');
-    }
-
-
-    /**
-     * Returns the lesser-of-the two: spaces remaining at this datetime, or
-     * the total tickets remaining (a sum of the tickets remaining for each ticket type
-     * that is available for this datetime).
-     *
-     * @return int
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     */
-    public function total_tickets_available_at_this_datetime()
-    {
-        return $this->spaces_remaining(true);
-    }
-
-
-    /**
-     * This simply compares the internal dtt for the given string with NOW
-     * and determines if the date is upcoming or not.
-     *
-     * @access public
-     * @return boolean
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     */
-    public function is_upcoming()
-    {
-        return ($this->get_raw('DTT_EVT_start') > time());
-    }
-
-
-    /**
-     * This simply compares the internal datetime for the given string with NOW
-     * and returns if the date is active (i.e. start and end time)
-     *
-     * @return boolean
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     */
-    public function is_active()
-    {
-        return ($this->get_raw('DTT_EVT_start') < time() && $this->get_raw('DTT_EVT_end') > time());
-    }
-
-
-    /**
-     * This simply compares the internal dtt for the given string with NOW
-     * and determines if the date is expired or not.
-     *
-     * @return boolean
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     */
-    public function is_expired()
-    {
-        return ($this->get_raw('DTT_EVT_end') < time());
-    }
-
-
-    /**
-     * This returns the active status for whether an event is active, upcoming, or expired
-     *
-     * @return int return value will be one of the EE_Datetime status constants.
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     */
-    public function get_active_status()
-    {
-        $total_tickets_for_this_dtt = $this->total_tickets_available_at_this_datetime();
-        if ($total_tickets_for_this_dtt !== false && $total_tickets_for_this_dtt < 1) {
-            return EE_Datetime::sold_out;
-        }
-        if ($this->is_expired()) {
-            return EE_Datetime::expired;
-        }
-        if ($this->is_upcoming()) {
-            return EE_Datetime::upcoming;
-        }
-        if ($this->is_active()) {
-            return EE_Datetime::active;
-        }
-        return null;
-    }
-
-
-    /**
-     * This returns a nice display name for the datetime that is contingent on the span between the dates and times.
-     *
-     * @param  boolean $use_dtt_name if TRUE then we'll use DTT->name() if its not empty.
-     * @return string
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     */
-    public function get_dtt_display_name($use_dtt_name = false)
-    {
-        if ($use_dtt_name) {
-            $dtt_name = $this->name();
-            if (! empty($dtt_name)) {
-                return $dtt_name;
-            }
-        }
-        // first condition is to see if the months are different
-        if (
-            date('m', $this->get_raw('DTT_EVT_start')) !== date('m', $this->get_raw('DTT_EVT_end'))
-        ) {
-            $display_date = $this->start_date('M j\, Y g:i a') . ' - ' . $this->end_date('M j\, Y g:i a');
-            // next condition is if its the same month but different day
-        } else {
-            if (
-                date('m', $this->get_raw('DTT_EVT_start')) === date('m', $this->get_raw('DTT_EVT_end'))
-                && date('d', $this->get_raw('DTT_EVT_start')) !== date('d', $this->get_raw('DTT_EVT_end'))
-            ) {
-                $display_date = $this->start_date('M j\, g:i a') . ' - ' . $this->end_date('M j\, g:i a Y');
-            } else {
-                $display_date = $this->start_date('F j\, Y')
-                                . ' @ '
-                                . $this->start_date('g:i a')
-                                . ' - '
-                                . $this->end_date('g:i a');
-            }
-        }
-        return $display_date;
-    }
-
-
-    /**
-     * Gets all the tickets for this datetime
-     *
-     * @param array $query_params @see https://github.com/eventespresso/event-espresso-core/tree/master/docs/G--Model-System/model-query-params.md
-     * @return EE_Base_Class[]|EE_Ticket[]
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     */
-    public function tickets($query_params = array())
-    {
-        return $this->get_many_related('Ticket', $query_params);
-    }
-
-
-    /**
-     * Gets all the ticket types currently available for purchase
-     *
-     * @param array $query_params @see https://github.com/eventespresso/event-espresso-core/tree/master/docs/G--Model-System/model-query-params.md
-     * @return EE_Ticket[]
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     */
-    public function ticket_types_available_for_purchase($query_params = array())
-    {
-        // first check if datetime is valid
-        if ($this->sold_out() || ! ($this->is_upcoming() || $this->is_active())) {
-            return array();
-        }
-        if (empty($query_params)) {
-            $query_params = array(
-                array(
-                    'TKT_start_date' => array('<=', EEM_Ticket::instance()->current_time_for_query('TKT_start_date')),
-                    'TKT_end_date'   => array('>=', EEM_Ticket::instance()->current_time_for_query('TKT_end_date')),
-                    'TKT_deleted'    => false,
-                ),
-            );
-        }
-        return $this->tickets($query_params);
-    }
-
-
-    /**
-     * @return EE_Base_Class|EE_Event
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     */
-    public function event()
-    {
-        return $this->get_first_related('Event');
-    }
-
-
-    /**
-     * Updates the DTT_sold attribute (and saves) based on the number of registrations for this datetime
-     * (via the tickets).
-     *
-     * @return int
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     */
-    public function update_sold()
-    {
-        $count_regs_for_this_datetime = EEM_Registration::instance()->count(
-            array(
-                array(
-                    'STS_ID'                 => EEM_Registration::status_id_approved,
-                    'REG_deleted'            => 0,
-                    'Ticket.Datetime.DTT_ID' => $this->ID(),
-                ),
-            )
-        );
-        $this->set_sold($count_regs_for_this_datetime);
-        $this->save();
-        return $count_regs_for_this_datetime;
-    }
-
-
-    /**
-     * Adds a venue to this event
-     *
-     * @param int|EE_Venue /int $venue_id_or_obj
-     * @return EE_Base_Class|EE_Venue
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function add_venue($venue_id_or_obj): EE_Venue
-    {
-        return $this->_add_relation_to($venue_id_or_obj, 'Venue');
-    }
-
-
-    /**
-     * Removes a venue from the event
-     *
-     * @param EE_Venue /int $venue_id_or_obj
-     * @return EE_Base_Class|EE_Venue
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function remove_venue($venue_id_or_obj): EE_Venue
-    {
-        $venue_id_or_obj = ! empty($venue_id_or_obj) ? $venue_id_or_obj : $this->venue();
-        return $this->_remove_relation_to($venue_id_or_obj, 'Venue');
-    }
-
-
-    /**
-     * Gets the venue related to the event. May provide additional $query_params if desired
-     *
-     * @param array $query_params @see https://github.com/eventespresso/event-espresso-core/tree/master/docs/G--Model-System/model-query-params.md
-     * @return int
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function venue_ID(array $query_params = []): int
-    {
-        $venue = $this->get_first_related('Venue', $query_params);
-        return $venue instanceof EE_Venue
-            ? $venue->ID()
-            : 0;
-    }
-
-
-    /**
-     * Gets the venue related to the event. May provide additional $query_params if desired
-     *
-     * @param array $query_params @see https://github.com/eventespresso/event-espresso-core/tree/master/docs/G--Model-System/model-query-params.md
-     * @return EE_Base_Class|EE_Venue
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function venue(array $query_params = [])
-    {
-        return $this->get_first_related('Venue', $query_params);
-    }
-
-
-    /**
-     * @param EE_Base_Class|int|string $otherObjectModelObjectOrID
-     * @param string                   $relationName
-     * @param array                    $extra_join_model_fields_n_values
-     * @param string|null              $cache_id
-     * @return EE_Base_Class
-     * @throws EE_Error
-     * @throws ReflectionException
-     * @since   $VID:$
-     */
-    public function _add_relation_to(
-        $otherObjectModelObjectOrID,
-        $relationName,
-        $extra_join_model_fields_n_values = [],
-        $cache_id = null
-    ) {
-        if ($relationName === 'Ticket') {
-            /** @var EE_Ticket $ticket */
-            $ticket = EEM_Ticket::instance()->ensure_is_obj($otherObjectModelObjectOrID);
-            $this->increaseSold($ticket->sold());
-            $this->increaseReserved($ticket->reserved());
-            $this->save();
-            $otherObjectModelObjectOrID = $ticket;
-        }
-        return parent::_add_relation_to(
-            $otherObjectModelObjectOrID,
-            $relationName,
-            $extra_join_model_fields_n_values,
-            $cache_id
-        );
-    }
-
-
-    /**
-     * @param EE_Base_Class|int|string $otherObjectModelObjectOrID
-     * @param string                   $relationName
-     * @param array                    $where_query
-     * @return bool|EE_Base_Class|null
-     * @throws EE_Error
-     * @throws ReflectionException
-     * @since   $VID:$
-     */
-    public function _remove_relation_to($otherObjectModelObjectOrID, $relationName, $where_query = [])
-    {
-        if ($relationName === 'Ticket') {
-            /** @var EE_Ticket $ticket */
-            $ticket = EEM_Ticket::instance()->ensure_is_obj($otherObjectModelObjectOrID);
-            $this->decreaseSold($ticket->sold());
-            $this->decreaseReserved($ticket->reserved());
-            $this->save();
-            $otherObjectModelObjectOrID = $ticket;
-        }
-        return parent::_remove_relation_to(
-            $otherObjectModelObjectOrID,
-            $relationName,
-            $where_query
-        );
-    }
-
-
-    /*******************************************************************
+	/**
+	 * constant used by get_active_status, indicates datetime has no more available spaces
+	 */
+	const sold_out = 'DTS';
+
+	/**
+	 * constant used by get_active_status, indicating datetime is still active (even is not over, can be registered-for)
+	 */
+	const active = 'DTA';
+
+	/**
+	 * constant used by get_active_status, indicating the datetime cannot be used for registrations yet, but has not
+	 * expired
+	 */
+	const upcoming = 'DTU';
+
+	/**
+	 * Datetime is postponed
+	 */
+	const postponed = 'DTP';
+
+	/**
+	 * Datetime is cancelled
+	 */
+	const cancelled = 'DTC';
+
+	/**
+	 * constant used by get_active_status, indicates datetime has expired (event is over)
+	 */
+	const expired = 'DTE';
+
+	/**
+	 * constant used in various places indicating that an event is INACTIVE (not yet ready to be published)
+	 */
+	const inactive = 'DTI';
+
+
+	/**
+	 * @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  $date_formats      incoming date_formats in an array where the first value is the date_format
+	 *                                  and the second value is the time format
+	 * @return EE_Datetime
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 */
+	public static function new_instance($props_n_values = array(), $timezone = null, $date_formats = array())
+	{
+		$has_object = parent::_check_for_object(
+			$props_n_values,
+			__CLASS__,
+			$timezone,
+			$date_formats
+		);
+		return $has_object
+			? $has_object
+			: new self($props_n_values, false, $timezone, $date_formats);
+	}
+
+
+	/**
+	 * @param array  $props_n_values  incoming values from the database
+	 * @param string $timezone        incoming timezone as set by the model.  If not set the timezone for
+	 *                                the website will be used.
+	 * @return EE_Datetime
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 */
+	public static function new_instance_from_db($props_n_values = array(), $timezone = null)
+	{
+		return new self($props_n_values, true, $timezone);
+	}
+
+
+	/**
+	 * @param $name
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 */
+	public function set_name($name)
+	{
+		$this->set('DTT_name', $name);
+	}
+
+
+	/**
+	 * @param $description
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 */
+	public function set_description($description)
+	{
+		$this->set('DTT_description', $description);
+	}
+
+
+	/**
+	 * Set event start date
+	 * set the start date for an event
+	 *
+	 * @param string $date a string representation of the event's date ex:  Dec. 25, 2025 or 12-25-2025
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 */
+	public function set_start_date($date)
+	{
+		$this->_set_date_for($date, 'DTT_EVT_start');
+	}
+
+
+	/**
+	 * Set event start time
+	 * set the start time for an event
+	 *
+	 * @param string $time a string representation of the event time ex:  9am  or  7:30 PM
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 */
+	public function set_start_time($time)
+	{
+		$this->_set_time_for($time, 'DTT_EVT_start');
+	}
+
+
+	/**
+	 * Set event end date
+	 * set the end date for an event
+	 *
+	 * @param string $date a string representation of the event's date ex:  Dec. 25, 2025 or 12-25-2025
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 */
+	public function set_end_date($date)
+	{
+		$this->_set_date_for($date, 'DTT_EVT_end');
+	}
+
+
+	/**
+	 * Set event end time
+	 * set the end time for an event
+	 *
+	 * @param string $time a string representation of the event time ex:  9am  or  7:30 PM
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 */
+	public function set_end_time($time)
+	{
+		$this->_set_time_for($time, 'DTT_EVT_end');
+	}
+
+
+	/**
+	 * Set registration limit
+	 * set the maximum number of attendees that can be registered for this datetime slot
+	 *
+	 * @param int $reg_limit
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 */
+	public function set_reg_limit($reg_limit)
+	{
+		$this->set('DTT_reg_limit', $reg_limit);
+	}
+
+
+	/**
+	 * get the number of tickets sold for this datetime slot
+	 *
+	 * @return mixed int on success, FALSE on fail
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 */
+	public function sold()
+	{
+		return $this->get_raw('DTT_sold');
+	}
+
+
+	/**
+	 * @param int $sold
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 */
+	public function set_sold($sold)
+	{
+		// sold can not go below zero
+		$sold = max(0, $sold);
+		$this->set('DTT_sold', $sold);
+	}
+
+
+	/**
+	 * Increments sold by amount passed by $qty, and persists it immediately to the database.
+	 * Simultaneously decreases the reserved count, unless $also_decrease_reserved is false.
+	 *
+	 * @param int $qty
+	 * @param boolean $also_decrease_reserved
+	 * @return boolean indicating success
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 */
+	public function increaseSold($qty = 1, $also_decrease_reserved = true)
+	{
+		$qty = absint($qty);
+		if ($also_decrease_reserved) {
+			$success = $this->adjustNumericFieldsInDb(
+				[
+					'DTT_reserved' => $qty * -1,
+					'DTT_sold' => $qty
+				]
+			);
+		} else {
+			$success = $this->adjustNumericFieldsInDb(
+				[
+					'DTT_sold' => $qty
+				]
+			);
+		}
+
+		do_action(
+			'AHEE__EE_Datetime__increase_sold',
+			$this,
+			$qty,
+			$this->sold(),
+			$success
+		);
+		return $success;
+	}
+
+
+	/**
+	 * Decrements (subtracts) sold amount passed by $qty directly in the DB and on the model object. (Ie, no need
+	 * to save afterwards.)
+	 *
+	 * @param int $qty
+	 * @return boolean indicating success
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 */
+	public function decreaseSold($qty = 1)
+	{
+		$qty = absint($qty);
+		$success = $this->adjustNumericFieldsInDb(
+			[
+				'DTT_sold' => $qty * -1
+			]
+		);
+		do_action(
+			'AHEE__EE_Datetime__decrease_sold',
+			$this,
+			$qty,
+			$this->sold(),
+			$success
+		);
+		return $success;
+	}
+
+
+	/**
+	 * Gets qty of reserved tickets for this datetime
+	 *
+	 * @return int
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 */
+	public function reserved()
+	{
+		return $this->get_raw('DTT_reserved');
+	}
+
+
+	/**
+	 * Sets qty of reserved tickets for this datetime
+	 *
+	 * @param int $reserved
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 */
+	public function set_reserved($reserved)
+	{
+		// reserved can not go below zero
+		$reserved = max(0, (int) $reserved);
+		$this->set('DTT_reserved', $reserved);
+	}
+
+
+	/**
+	 * Increments reserved by amount passed by $qty, and persists it immediately to the database.
+	 *
+	 * @param int $qty
+	 * @return boolean indicating success
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 */
+	public function increaseReserved($qty = 1)
+	{
+		$qty = absint($qty);
+		$success = $this->incrementFieldConditionallyInDb(
+			'DTT_reserved',
+			'DTT_sold',
+			'DTT_reg_limit',
+			$qty
+		);
+		do_action(
+			'AHEE__EE_Datetime__increase_reserved',
+			$this,
+			$qty,
+			$this->reserved(),
+			$success
+		);
+		return $success;
+	}
+
+
+	/**
+	 * Decrements (subtracts) reserved by amount passed by $qty, and persists it immediately to the database.
+	 *
+	 * @param int $qty
+	 * @return boolean indicating success
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 */
+	public function decreaseReserved($qty = 1)
+	{
+		$qty = absint($qty);
+		$success = $this->adjustNumericFieldsInDb(
+			[
+				'DTT_reserved' => $qty * -1
+			]
+		);
+		do_action(
+			'AHEE__EE_Datetime__decrease_reserved',
+			$this,
+			$qty,
+			$this->reserved(),
+			$success
+		);
+		return $success;
+	}
+
+
+	/**
+	 * total sold and reserved tickets
+	 *
+	 * @return int
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 */
+	public function sold_and_reserved()
+	{
+		return $this->sold() + $this->reserved();
+	}
+
+
+	/**
+	 * returns the datetime name
+	 *
+	 * @return string
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 */
+	public function name()
+	{
+		return $this->get('DTT_name');
+	}
+
+
+	/**
+	 * returns the datetime description
+	 *
+	 * @return string
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 */
+	public function description()
+	{
+		return $this->get('DTT_description');
+	}
+
+
+	/**
+	 * This helper simply returns whether the event_datetime for the current datetime is a primary datetime
+	 *
+	 * @return boolean  TRUE if is primary, FALSE if not.
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 */
+	public function is_primary()
+	{
+		return $this->get('DTT_is_primary');
+	}
+
+
+	/**
+	 * This helper simply returns the order for the datetime
+	 *
+	 * @return int  The order of the datetime for this event.
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 */
+	public function order()
+	{
+		return $this->get('DTT_order');
+	}
+
+
+	/**
+	 * This helper simply returns the parent id for the datetime
+	 *
+	 * @return int
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 */
+	public function parent()
+	{
+		return $this->get('DTT_parent');
+	}
+
+
+	/**
+	 * show date and/or time
+	 *
+	 * @param string $date_or_time    whether to display a date or time or both
+	 * @param string $start_or_end    whether to display start or end datetimes
+	 * @param string $dt_frmt
+	 * @param string $tm_frmt
+	 * @param bool   $echo            whether we echo or return (note echoing uses "pretty" formats,
+	 *                                otherwise we use the standard formats)
+	 * @return string|bool  string on success, FALSE on fail
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 */
+	private function _show_datetime(
+		$date_or_time = null,
+		$start_or_end = 'start',
+		$dt_frmt = '',
+		$tm_frmt = '',
+		$echo = false
+	) {
+		$field_name = "DTT_EVT_{$start_or_end}";
+		$dtt = $this->_get_datetime(
+			$field_name,
+			$dt_frmt,
+			$tm_frmt,
+			$date_or_time,
+			$echo
+		);
+		if (! $echo) {
+			return $dtt;
+		}
+		return '';
+	}
+
+
+	/**
+	 * get event start date.  Provide either the date format, or NULL to re-use the
+	 * last-used format, or '' to use the default date format
+	 *
+	 * @param string $dt_frmt string representation of date format defaults to 'F j, Y'
+	 * @return mixed            string on success, FALSE on fail
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 */
+	public function start_date($dt_frmt = '')
+	{
+		return $this->_show_datetime('D', 'start', $dt_frmt);
+	}
+
+
+	/**
+	 * Echoes start_date()
+	 *
+	 * @param string $dt_frmt
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 */
+	public function e_start_date($dt_frmt = '')
+	{
+		$this->_show_datetime('D', 'start', $dt_frmt, null, true);
+	}
+
+
+	/**
+	 * get end date. Provide either the date format, or NULL to re-use the
+	 * last-used format, or '' to use the default date format
+	 *
+	 * @param string $dt_frmt string representation of date format defaults to 'F j, Y'
+	 * @return mixed            string on success, FALSE on fail
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 */
+	public function end_date($dt_frmt = '')
+	{
+		return $this->_show_datetime('D', 'end', $dt_frmt);
+	}
+
+
+	/**
+	 * Echoes the end date. See end_date()
+	 *
+	 * @param string $dt_frmt
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 */
+	public function e_end_date($dt_frmt = '')
+	{
+		$this->_show_datetime('D', 'end', $dt_frmt, null, true);
+	}
+
+
+	/**
+	 * get date_range - meaning the start AND end date
+	 *
+	 * @access public
+	 * @param string $dt_frmt     string representation of date format defaults to WP settings
+	 * @param string $conjunction conjunction junction what's your function ?
+	 *                            this string joins the start date with the end date ie: Jan 01 "to" Dec 31
+	 * @return mixed              string on success, FALSE on fail
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 */
+	public function date_range($dt_frmt = '', $conjunction = ' - ')
+	{
+		$dt_frmt = ! empty($dt_frmt) ? $dt_frmt : $this->_dt_frmt;
+		$start = str_replace(
+			' ',
+			'&nbsp;',
+			$this->get_i18n_datetime('DTT_EVT_start', $dt_frmt)
+		);
+		$end = str_replace(
+			' ',
+			'&nbsp;',
+			$this->get_i18n_datetime('DTT_EVT_end', $dt_frmt)
+		);
+		return $start !== $end ? $start . $conjunction . $end : $start;
+	}
+
+
+	/**
+	 * @param string $dt_frmt
+	 * @param string $conjunction
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 */
+	public function e_date_range($dt_frmt = '', $conjunction = ' - ')
+	{
+		echo $this->date_range($dt_frmt, $conjunction);
+	}
+
+
+	/**
+	 * get start time
+	 *
+	 * @param string $tm_format - string representation of time format defaults to 'g:i a'
+	 * @return mixed        string on success, FALSE on fail
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 */
+	public function start_time($tm_format = '')
+	{
+		return $this->_show_datetime('T', 'start', null, $tm_format);
+	}
+
+
+	/**
+	 * @param string $tm_format
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 */
+	public function e_start_time($tm_format = '')
+	{
+		$this->_show_datetime('T', 'start', null, $tm_format, true);
+	}
+
+
+	/**
+	 * get end time
+	 *
+	 * @param string $tm_format string representation of time format defaults to 'g:i a'
+	 * @return mixed                string on success, FALSE on fail
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 */
+	public function end_time($tm_format = '')
+	{
+		return $this->_show_datetime('T', 'end', null, $tm_format);
+	}
+
+
+	/**
+	 * @param string $tm_format
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 */
+	public function e_end_time($tm_format = '')
+	{
+		$this->_show_datetime('T', 'end', null, $tm_format, true);
+	}
+
+
+	/**
+	 * get time_range
+	 *
+	 * @access public
+	 * @param string $tm_format   string representation of time format defaults to 'g:i a'
+	 * @param string $conjunction conjunction junction what's your function ?
+	 *                            this string joins the start date with the end date ie: Jan 01 "to" Dec 31
+	 * @return mixed              string on success, FALSE on fail
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 */
+	public function time_range($tm_format = '', $conjunction = ' - ')
+	{
+		$tm_format = ! empty($tm_format) ? $tm_format : $this->_tm_frmt;
+		$start = str_replace(
+			' ',
+			'&nbsp;',
+			$this->get_i18n_datetime('DTT_EVT_start', $tm_format)
+		);
+		$end = str_replace(
+			' ',
+			'&nbsp;',
+			$this->get_i18n_datetime('DTT_EVT_end', $tm_format)
+		);
+		return $start !== $end ? $start . $conjunction . $end : $start;
+	}
+
+
+	/**
+	 * @param string $tm_format
+	 * @param string $conjunction
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 */
+	public function e_time_range($tm_format = '', $conjunction = ' - ')
+	{
+		echo $this->time_range($tm_format, $conjunction);
+	}
+
+
+	/**
+	 * This returns a range representation of the date and times.
+	 * Output is dependent on the difference (or similarity) between DTT_EVT_start and DTT_EVT_end.
+	 * Also, the return value is localized.
+	 *
+	 * @param string $dt_format
+	 * @param string $tm_format
+	 * @param string $conjunction used between two different dates or times.
+	 *                            ex: Dec 1{$conjunction}}Dec 6, or 2pm{$conjunction}3pm
+	 * @param string $separator   used between the date and time formats.
+	 *                            ex: Dec 1, 2016{$separator}2pm
+	 * @return string
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 */
+	public function date_and_time_range(
+		$dt_format = '',
+		$tm_format = '',
+		$conjunction = ' - ',
+		$separator = ' '
+	) {
+		$dt_format = ! empty($dt_format) ? $dt_format : $this->_dt_frmt;
+		$tm_format = ! empty($tm_format) ? $tm_format : $this->_tm_frmt;
+		$full_format = $dt_format . $separator . $tm_format;
+		// the range output depends on various conditions
+		switch (true) {
+			// start date timestamp and end date timestamp are the same.
+			case ($this->get_raw('DTT_EVT_start') === $this->get_raw('DTT_EVT_end')):
+				$output = $this->get_i18n_datetime('DTT_EVT_start', $full_format);
+				break;
+			// start and end date are the same but times are different
+			case ($this->start_date() === $this->end_date()):
+				$output = $this->get_i18n_datetime('DTT_EVT_start', $full_format)
+						  . $conjunction
+						  . $this->get_i18n_datetime('DTT_EVT_end', $tm_format);
+				break;
+			// all other conditions
+			default:
+				$output = $this->get_i18n_datetime('DTT_EVT_start', $full_format)
+						  . $conjunction
+						  . $this->get_i18n_datetime('DTT_EVT_end', $full_format);
+				break;
+		}
+		return $output;
+	}
+
+
+	/**
+	 * This echos the results of date and time range.
+	 *
+	 * @see date_and_time_range() for more details on purpose.
+	 * @param string $dt_format
+	 * @param string $tm_format
+	 * @param string $conjunction
+	 * @return void
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 */
+	public function e_date_and_time_range($dt_format = '', $tm_format = '', $conjunction = ' - ')
+	{
+		echo $this->date_and_time_range($dt_format, $tm_format, $conjunction);
+	}
+
+
+	/**
+	 * get start date and start time
+	 *
+	 * @param    string $dt_format - string representation of date format defaults to 'F j, Y'
+	 * @param    string $tm_format - string representation of time format defaults to 'g:i a'
+	 * @return    mixed    string on success, FALSE on fail
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 */
+	public function start_date_and_time($dt_format = '', $tm_format = '')
+	{
+		return $this->_show_datetime('', 'start', $dt_format, $tm_format);
+	}
+
+
+	/**
+	 * @param string $dt_frmt
+	 * @param string $tm_format
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 */
+	public function e_start_date_and_time($dt_frmt = '', $tm_format = '')
+	{
+		$this->_show_datetime('', 'start', $dt_frmt, $tm_format, true);
+	}
+
+
+	/**
+	 * Shows the length of the event (start to end time).
+	 * Can be shown in 'seconds','minutes','hours', or 'days'.
+	 * By default, rounds up. (So if you use 'days', and then event
+	 * only occurs for 1 hour, it will return 1 day).
+	 *
+	 * @param string $units 'seconds','minutes','hours','days'
+	 * @param bool   $round_up
+	 * @return float|int|mixed
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 */
+	public function length($units = 'seconds', $round_up = false)
+	{
+		$start = $this->get_raw('DTT_EVT_start');
+		$end = $this->get_raw('DTT_EVT_end');
+		$length_in_units = $end - $start;
+		switch ($units) {
+			// NOTE: We purposefully don't use "break;" in order to chain the divisions
+			/** @noinspection PhpMissingBreakStatementInspection */
+			// phpcs:disable PSR2.ControlStructures.SwitchDeclaration.TerminatingComment
+			case 'days':
+				$length_in_units /= 24;
+			/** @noinspection PhpMissingBreakStatementInspection */
+			case 'hours':
+				// fall through is intentional
+				$length_in_units /= 60;
+			/** @noinspection PhpMissingBreakStatementInspection */
+			case 'minutes':
+				// fall through is intentional
+				$length_in_units /= 60;
+			case 'seconds':
+			default:
+				$length_in_units = ceil($length_in_units);
+		}
+		// phpcs:enable
+		if ($round_up) {
+			$length_in_units = max($length_in_units, 1);
+		}
+		return $length_in_units;
+	}
+
+
+	/**
+	 *        get end date and time
+	 *
+	 * @param string $dt_frmt   - string representation of date format defaults to 'F j, Y'
+	 * @param string $tm_format - string representation of time format defaults to 'g:i a'
+	 * @return    mixed                string on success, FALSE on fail
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 */
+	public function end_date_and_time($dt_frmt = '', $tm_format = '')
+	{
+		return $this->_show_datetime('', 'end', $dt_frmt, $tm_format);
+	}
+
+
+	/**
+	 * @param string $dt_frmt
+	 * @param string $tm_format
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 */
+	public function e_end_date_and_time($dt_frmt = '', $tm_format = '')
+	{
+		$this->_show_datetime('', 'end', $dt_frmt, $tm_format, true);
+	}
+
+
+	/**
+	 *        get start timestamp
+	 *
+	 * @return        int
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 */
+	public function start()
+	{
+		return $this->get_raw('DTT_EVT_start');
+	}
+
+
+	/**
+	 *        get end timestamp
+	 *
+	 * @return        int
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 */
+	public function end()
+	{
+		return $this->get_raw('DTT_EVT_end');
+	}
+
+
+	/**
+	 *    get the registration limit for this datetime slot
+	 *
+	 * @return        mixed        int on success, FALSE on fail
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 */
+	public function reg_limit()
+	{
+		return $this->get_raw('DTT_reg_limit');
+	}
+
+
+	/**
+	 *    have the tickets sold for this datetime, met or exceed the registration limit ?
+	 *
+	 * @return        boolean
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 */
+	public function sold_out()
+	{
+		return $this->reg_limit() > 0 && $this->sold() >= $this->reg_limit();
+	}
+
+
+	/**
+	 * return the total number of spaces remaining at this venue.
+	 * This only takes the venue's capacity into account, NOT the tickets available for sale
+	 *
+	 * @param bool $consider_tickets Whether to consider tickets remaining when determining if there are any spaces left
+	 *                               Because if all tickets attached to this datetime have no spaces left,
+	 *                               then this datetime IS effectively sold out.
+	 *                               However, there are cases where we just want to know the spaces
+	 *                               remaining for this particular datetime, hence the flag.
+	 * @return int
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 */
+	public function spaces_remaining($consider_tickets = false)
+	{
+		// tickets remaining available for purchase
+		// no need for special checks for infinite, because if DTT_reg_limit == EE_INF, then EE_INF - x = EE_INF
+		$dtt_remaining = $this->reg_limit() - $this->sold_and_reserved();
+		if (! $consider_tickets) {
+			return $dtt_remaining;
+		}
+		$tickets_remaining = $this->tickets_remaining();
+		return min($dtt_remaining, $tickets_remaining);
+	}
+
+
+	/**
+	 * Counts the total tickets available
+	 * (from all the different types of tickets which are available for this datetime).
+	 *
+	 * @param array $query_params @see https://github.com/eventespresso/event-espresso-core/tree/master/docs/G--Model-System/model-query-params.md
+	 * @return int
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 */
+	public function tickets_remaining($query_params = array())
+	{
+		$sum = 0;
+		$tickets = $this->tickets($query_params);
+		if (! empty($tickets)) {
+			foreach ($tickets as $ticket) {
+				if ($ticket instanceof EE_Ticket) {
+					// get the actual amount of tickets that can be sold
+					$qty = $ticket->qty('saleable');
+					if ($qty === EE_INF) {
+						return EE_INF;
+					}
+					// no negative ticket quantities plz
+					if ($qty > 0) {
+						$sum += $qty;
+					}
+				}
+			}
+		}
+		return $sum;
+	}
+
+
+	/**
+	 * Gets the count of all the tickets available at this datetime (not ticket types)
+	 * before any were sold
+	 *
+	 * @param array $query_params @see https://github.com/eventespresso/event-espresso-core/tree/master/docs/G--Model-System/model-query-params.md
+	 * @return int
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 */
+	public function sum_tickets_initially_available($query_params = array())
+	{
+		return $this->sum_related('Ticket', $query_params, 'TKT_qty');
+	}
+
+
+	/**
+	 * Returns the lesser-of-the two: spaces remaining at this datetime, or
+	 * the total tickets remaining (a sum of the tickets remaining for each ticket type
+	 * that is available for this datetime).
+	 *
+	 * @return int
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 */
+	public function total_tickets_available_at_this_datetime()
+	{
+		return $this->spaces_remaining(true);
+	}
+
+
+	/**
+	 * This simply compares the internal dtt for the given string with NOW
+	 * and determines if the date is upcoming or not.
+	 *
+	 * @access public
+	 * @return boolean
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 */
+	public function is_upcoming()
+	{
+		return ($this->get_raw('DTT_EVT_start') > time());
+	}
+
+
+	/**
+	 * This simply compares the internal datetime for the given string with NOW
+	 * and returns if the date is active (i.e. start and end time)
+	 *
+	 * @return boolean
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 */
+	public function is_active()
+	{
+		return ($this->get_raw('DTT_EVT_start') < time() && $this->get_raw('DTT_EVT_end') > time());
+	}
+
+
+	/**
+	 * This simply compares the internal dtt for the given string with NOW
+	 * and determines if the date is expired or not.
+	 *
+	 * @return boolean
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 */
+	public function is_expired()
+	{
+		return ($this->get_raw('DTT_EVT_end') < time());
+	}
+
+
+	/**
+	 * This returns the active status for whether an event is active, upcoming, or expired
+	 *
+	 * @return int return value will be one of the EE_Datetime status constants.
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 */
+	public function get_active_status()
+	{
+		$total_tickets_for_this_dtt = $this->total_tickets_available_at_this_datetime();
+		if ($total_tickets_for_this_dtt !== false && $total_tickets_for_this_dtt < 1) {
+			return EE_Datetime::sold_out;
+		}
+		if ($this->is_expired()) {
+			return EE_Datetime::expired;
+		}
+		if ($this->is_upcoming()) {
+			return EE_Datetime::upcoming;
+		}
+		if ($this->is_active()) {
+			return EE_Datetime::active;
+		}
+		return null;
+	}
+
+
+	/**
+	 * This returns a nice display name for the datetime that is contingent on the span between the dates and times.
+	 *
+	 * @param  boolean $use_dtt_name if TRUE then we'll use DTT->name() if its not empty.
+	 * @return string
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 */
+	public function get_dtt_display_name($use_dtt_name = false)
+	{
+		if ($use_dtt_name) {
+			$dtt_name = $this->name();
+			if (! empty($dtt_name)) {
+				return $dtt_name;
+			}
+		}
+		// first condition is to see if the months are different
+		if (
+			date('m', $this->get_raw('DTT_EVT_start')) !== date('m', $this->get_raw('DTT_EVT_end'))
+		) {
+			$display_date = $this->start_date('M j\, Y g:i a') . ' - ' . $this->end_date('M j\, Y g:i a');
+			// next condition is if its the same month but different day
+		} else {
+			if (
+				date('m', $this->get_raw('DTT_EVT_start')) === date('m', $this->get_raw('DTT_EVT_end'))
+				&& date('d', $this->get_raw('DTT_EVT_start')) !== date('d', $this->get_raw('DTT_EVT_end'))
+			) {
+				$display_date = $this->start_date('M j\, g:i a') . ' - ' . $this->end_date('M j\, g:i a Y');
+			} else {
+				$display_date = $this->start_date('F j\, Y')
+								. ' @ '
+								. $this->start_date('g:i a')
+								. ' - '
+								. $this->end_date('g:i a');
+			}
+		}
+		return $display_date;
+	}
+
+
+	/**
+	 * Gets all the tickets for this datetime
+	 *
+	 * @param array $query_params @see https://github.com/eventespresso/event-espresso-core/tree/master/docs/G--Model-System/model-query-params.md
+	 * @return EE_Base_Class[]|EE_Ticket[]
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 */
+	public function tickets($query_params = array())
+	{
+		return $this->get_many_related('Ticket', $query_params);
+	}
+
+
+	/**
+	 * Gets all the ticket types currently available for purchase
+	 *
+	 * @param array $query_params @see https://github.com/eventespresso/event-espresso-core/tree/master/docs/G--Model-System/model-query-params.md
+	 * @return EE_Ticket[]
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 */
+	public function ticket_types_available_for_purchase($query_params = array())
+	{
+		// first check if datetime is valid
+		if ($this->sold_out() || ! ($this->is_upcoming() || $this->is_active())) {
+			return array();
+		}
+		if (empty($query_params)) {
+			$query_params = array(
+				array(
+					'TKT_start_date' => array('<=', EEM_Ticket::instance()->current_time_for_query('TKT_start_date')),
+					'TKT_end_date'   => array('>=', EEM_Ticket::instance()->current_time_for_query('TKT_end_date')),
+					'TKT_deleted'    => false,
+				),
+			);
+		}
+		return $this->tickets($query_params);
+	}
+
+
+	/**
+	 * @return EE_Base_Class|EE_Event
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 */
+	public function event()
+	{
+		return $this->get_first_related('Event');
+	}
+
+
+	/**
+	 * Updates the DTT_sold attribute (and saves) based on the number of registrations for this datetime
+	 * (via the tickets).
+	 *
+	 * @return int
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 */
+	public function update_sold()
+	{
+		$count_regs_for_this_datetime = EEM_Registration::instance()->count(
+			array(
+				array(
+					'STS_ID'                 => EEM_Registration::status_id_approved,
+					'REG_deleted'            => 0,
+					'Ticket.Datetime.DTT_ID' => $this->ID(),
+				),
+			)
+		);
+		$this->set_sold($count_regs_for_this_datetime);
+		$this->save();
+		return $count_regs_for_this_datetime;
+	}
+
+
+	/**
+	 * Adds a venue to this event
+	 *
+	 * @param int|EE_Venue /int $venue_id_or_obj
+	 * @return EE_Base_Class|EE_Venue
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function add_venue($venue_id_or_obj): EE_Venue
+	{
+		return $this->_add_relation_to($venue_id_or_obj, 'Venue');
+	}
+
+
+	/**
+	 * Removes a venue from the event
+	 *
+	 * @param EE_Venue /int $venue_id_or_obj
+	 * @return EE_Base_Class|EE_Venue
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function remove_venue($venue_id_or_obj): EE_Venue
+	{
+		$venue_id_or_obj = ! empty($venue_id_or_obj) ? $venue_id_or_obj : $this->venue();
+		return $this->_remove_relation_to($venue_id_or_obj, 'Venue');
+	}
+
+
+	/**
+	 * Gets the venue related to the event. May provide additional $query_params if desired
+	 *
+	 * @param array $query_params @see https://github.com/eventespresso/event-espresso-core/tree/master/docs/G--Model-System/model-query-params.md
+	 * @return int
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function venue_ID(array $query_params = []): int
+	{
+		$venue = $this->get_first_related('Venue', $query_params);
+		return $venue instanceof EE_Venue
+			? $venue->ID()
+			: 0;
+	}
+
+
+	/**
+	 * Gets the venue related to the event. May provide additional $query_params if desired
+	 *
+	 * @param array $query_params @see https://github.com/eventespresso/event-espresso-core/tree/master/docs/G--Model-System/model-query-params.md
+	 * @return EE_Base_Class|EE_Venue
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function venue(array $query_params = [])
+	{
+		return $this->get_first_related('Venue', $query_params);
+	}
+
+
+	/**
+	 * @param EE_Base_Class|int|string $otherObjectModelObjectOrID
+	 * @param string                   $relationName
+	 * @param array                    $extra_join_model_fields_n_values
+	 * @param string|null              $cache_id
+	 * @return EE_Base_Class
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 * @since   $VID:$
+	 */
+	public function _add_relation_to(
+		$otherObjectModelObjectOrID,
+		$relationName,
+		$extra_join_model_fields_n_values = [],
+		$cache_id = null
+	) {
+		if ($relationName === 'Ticket') {
+			/** @var EE_Ticket $ticket */
+			$ticket = EEM_Ticket::instance()->ensure_is_obj($otherObjectModelObjectOrID);
+			$this->increaseSold($ticket->sold());
+			$this->increaseReserved($ticket->reserved());
+			$this->save();
+			$otherObjectModelObjectOrID = $ticket;
+		}
+		return parent::_add_relation_to(
+			$otherObjectModelObjectOrID,
+			$relationName,
+			$extra_join_model_fields_n_values,
+			$cache_id
+		);
+	}
+
+
+	/**
+	 * @param EE_Base_Class|int|string $otherObjectModelObjectOrID
+	 * @param string                   $relationName
+	 * @param array                    $where_query
+	 * @return bool|EE_Base_Class|null
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 * @since   $VID:$
+	 */
+	public function _remove_relation_to($otherObjectModelObjectOrID, $relationName, $where_query = [])
+	{
+		if ($relationName === 'Ticket') {
+			/** @var EE_Ticket $ticket */
+			$ticket = EEM_Ticket::instance()->ensure_is_obj($otherObjectModelObjectOrID);
+			$this->decreaseSold($ticket->sold());
+			$this->decreaseReserved($ticket->reserved());
+			$this->save();
+			$otherObjectModelObjectOrID = $ticket;
+		}
+		return parent::_remove_relation_to(
+			$otherObjectModelObjectOrID,
+			$relationName,
+			$where_query
+		);
+	}
+
+
+	/*******************************************************************
      ***********************  DEPRECATED METHODS  **********************
      *******************************************************************/
 
 
-    /**
-     * Increments sold by amount passed by $qty, and persists it immediately to the database.
-     *
-     * @deprecated 4.9.80.p
-     * @param int $qty
-     * @return boolean
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     */
-    public function increase_sold($qty = 1)
-    {
-        EE_Error::doing_it_wrong(
-            __FUNCTION__,
-            esc_html__('Please use EE_Datetime::increaseSold() instead', 'event_espresso'),
-            '4.9.80.p',
-            '5.0.0.p'
-        );
-        return $this->increaseSold($qty);
-    }
-
-
-    /**
-     * Decrements (subtracts) sold amount passed by $qty directly in the DB and on the model object. (Ie, no need
-     * to save afterwards.)
-     *
-     * @deprecated 4.9.80.p
-     * @param int $qty
-     * @return boolean
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     */
-    public function decrease_sold($qty = 1)
-    {
-        EE_Error::doing_it_wrong(
-            __FUNCTION__,
-            esc_html__('Please use EE_Datetime::decreaseSold() instead', 'event_espresso'),
-            '4.9.80.p',
-            '5.0.0.p'
-        );
-        return $this->decreaseSold($qty);
-    }
-
-
-    /**
-     * Increments reserved by amount passed by $qty, and persists it immediately to the database.
-     *
-     * @deprecated 4.9.80.p
-     * @param int $qty
-     * @return boolean indicating success
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     */
-    public function increase_reserved($qty = 1)
-    {
-        EE_Error::doing_it_wrong(
-            __FUNCTION__,
-            esc_html__('Please use EE_Datetime::increaseReserved() instead', 'event_espresso'),
-            '4.9.80.p',
-            '5.0.0.p'
-        );
-        return $this->increaseReserved($qty);
-    }
-
-
-    /**
-     * Decrements (subtracts) reserved by amount passed by $qty, and persists it immediately to the database.
-     *
-     * @deprecated 4.9.80.p
-     * @param int $qty
-     * @return boolean
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     */
-    public function decrease_reserved($qty = 1)
-    {
-        EE_Error::doing_it_wrong(
-            __FUNCTION__,
-            esc_html__('Please use EE_Datetime::decreaseReserved() instead', 'event_espresso'),
-            '4.9.80.p',
-            '5.0.0.p'
-        );
-        return $this->decreaseReserved($qty);
-    }
+	/**
+	 * Increments sold by amount passed by $qty, and persists it immediately to the database.
+	 *
+	 * @deprecated 4.9.80.p
+	 * @param int $qty
+	 * @return boolean
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 */
+	public function increase_sold($qty = 1)
+	{
+		EE_Error::doing_it_wrong(
+			__FUNCTION__,
+			esc_html__('Please use EE_Datetime::increaseSold() instead', 'event_espresso'),
+			'4.9.80.p',
+			'5.0.0.p'
+		);
+		return $this->increaseSold($qty);
+	}
+
+
+	/**
+	 * Decrements (subtracts) sold amount passed by $qty directly in the DB and on the model object. (Ie, no need
+	 * to save afterwards.)
+	 *
+	 * @deprecated 4.9.80.p
+	 * @param int $qty
+	 * @return boolean
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 */
+	public function decrease_sold($qty = 1)
+	{
+		EE_Error::doing_it_wrong(
+			__FUNCTION__,
+			esc_html__('Please use EE_Datetime::decreaseSold() instead', 'event_espresso'),
+			'4.9.80.p',
+			'5.0.0.p'
+		);
+		return $this->decreaseSold($qty);
+	}
+
+
+	/**
+	 * Increments reserved by amount passed by $qty, and persists it immediately to the database.
+	 *
+	 * @deprecated 4.9.80.p
+	 * @param int $qty
+	 * @return boolean indicating success
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 */
+	public function increase_reserved($qty = 1)
+	{
+		EE_Error::doing_it_wrong(
+			__FUNCTION__,
+			esc_html__('Please use EE_Datetime::increaseReserved() instead', 'event_espresso'),
+			'4.9.80.p',
+			'5.0.0.p'
+		);
+		return $this->increaseReserved($qty);
+	}
+
+
+	/**
+	 * Decrements (subtracts) reserved by amount passed by $qty, and persists it immediately to the database.
+	 *
+	 * @deprecated 4.9.80.p
+	 * @param int $qty
+	 * @return boolean
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 */
+	public function decrease_reserved($qty = 1)
+	{
+		EE_Error::doing_it_wrong(
+			__FUNCTION__,
+			esc_html__('Please use EE_Datetime::decreaseReserved() instead', 'event_espresso'),
+			'4.9.80.p',
+			'5.0.0.p'
+		);
+		return $this->decreaseReserved($qty);
+	}
 }

core/db_classes/EE_Ticket.class.php

Indentation +2058 added lines, -2058 removed lines

@@ -14,2066 +14,2066 @@
 class EE_Ticket extends EE_Soft_Delete_Base_Class implements EEI_Line_Item_Object, EEI_Event_Relation, EEI_Has_Icon
 {
 
-    /**
-     * TicKet Sold out:
-     * constant used by ticket_status() to indicate that a ticket is sold out
-     * and no longer available for purchases
-     */
-    const sold_out = 'TKS';
-
-    /**
-     * TicKet Expired:
-     * constant used by ticket_status() to indicate that a ticket is expired
-     * and no longer available for purchase
-     */
-    const expired = 'TKE';
-
-    /**
-     * TicKet Archived:
-     * constant used by ticket_status() to indicate that a ticket is archived
-     * and no longer available for purchase
-     */
-    const archived = 'TKA';
-
-    /**
-     * TicKet Pending:
-     * constant used by ticket_status() to indicate that a ticket is pending
-     * and is NOT YET available for purchase
-     */
-    const pending = 'TKP';
-
-    /**
-     * TicKet On sale:
-     * constant used by ticket_status() to indicate that a ticket is On Sale
-     * and IS available for purchase
-     */
-    const onsale = 'TKO';
-
-    /**
-     * extra meta key for tracking ticket reservations
-     *
-     * @type string
-     */
-    const META_KEY_TICKET_RESERVATIONS = 'ticket_reservations';
-
-    /**
-     * override of parent property
-     *
-     * @var EEM_Ticket
-     */
-    protected $_model;
-
-    /**
-     * 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 = [])
-    {
-        $has_object = parent::_check_for_object($props_n_values, __CLASS__, $timezone, $date_formats);
-        return $has_object ? $has_object : new self($props_n_values, false, $timezone, $date_formats);
-    }
-
-
-    /**
-     * @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);
-    }
-
-
-    /**
-     * @return bool
-     * @throws EE_Error
-     * @throws 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 $DTT_ID if an int above 0 is included here then we get a specific dtt.
-     * @return boolean         true = tickets remaining, false not.
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function is_remaining($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 $DTT_ID  the primary key for a particular datetime.
-     *                     set to 0 for all related datetimes
-     * @return int
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function remaining($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
-     * @throws 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 $query_params @see
-     *                            https://github.com/eventespresso/event-espresso-core/tree/master/docs/G--Model-System/model-query-params.md
-     * @return EE_Datetime[]|EE_Base_Class[]
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function datetimes($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
-     * @throws 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 $what    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 $what = 'datetime'.
-     * @return mixed (array|int)          how many tickets have sold
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function tickets_sold($what = 'ticket', $dtt_id = null)
-    {
-        $total        = 0;
-        $tickets_sold = $this->_all_tickets_sold();
-        switch ($what) {
-            case 'ticket':
-                return $tickets_sold['ticket'];
-                break;
-            case 'datetime':
-                if (empty($tickets_sold['datetime'])) {
-                    return $total;
-                }
-                if (! empty($dtt_id) && ! isset($tickets_sold['datetime'][ $dtt_id ])) {
-                    EE_Error::add_error(
-                        __(
-                            '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 ];
-                break;
-            default:
-                return $total;
-        }
-    }
-
-
-    /**
-     * 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
-     * @throws 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);
-    }
-
-
-    /**
-     * This returns ONLY the price modifiers for the ticket (i.e. no taxes or base price)
-     *
-     * @access public
-     * @return EE_Price[]
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function tax_price_modifiers()
-    {
-        $query_params = [
-            0 => [
-                'Price_Type.PBT_ID' => 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 $query_params @see
-     *                            https://github.com/eventespresso/event-espresso-core/tree/master/docs/G--Model-System/model-query-params.md
-     * @return EE_Price[]|EE_Base_Class[]
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function prices($query_params = [])
-    {
-        return $this->get_many_related('Price', $query_params);
-    }
-
-
-    /**
-     * Gets all the ticket datetimes (ie, relations between datetimes and tickets)
-     *
-     * @param array $query_params @see
-     *                            https://github.com/eventespresso/event-espresso-core/tree/master/docs/G--Model-System/model-query-params.md
-     * @return EE_Datetime_Ticket|EE_Base_Class[]
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function datetime_tickets($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 $show_deleted
-     * @return EE_Datetime[]
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function datetimes_ordered($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 $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');
-    }
-
-
-    /**
-     * @return mixed
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function pretty_price()
-    {
-        return $this->get_pretty('TKT_price');
-    }
-
-
-    /**
-     * @return bool
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function is_free()
-    {
-        return $this->get_ticket_total_with_taxes() === (float) 0;
-    }
-
-
-    /**
-     * get_ticket_total_with_taxes
-     *
-     * @param bool $no_cache
-     * @return float
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function get_ticket_total_with_taxes($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()
-    {
-        $this->set('TKT_price', EE_Taxes::get_subtotal_for_admin($this));
-        $this->save();
-    }
-
-
-    /**
-     * @return float
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function get_ticket_subtotal()
-    {
-        return EE_Taxes::get_subtotal_for_admin($this);
-    }
-
-
-    /**
-     * Returns the total taxes applied to this ticket
-     *
-     * @return float
-     * @throws EE_Error
-     * @throws 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, $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);
-    }
-
-
-    /**
-     * @return boolean
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public function reverse_calculate()
-    {
-        return $this->get('TKT_reverse_calculate');
-    }
-
-
-    /**
-     * @param boolean $reverse_calculate
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public function set_reverse_calculate($reverse_calculate)
-    {
-        $this->set('TKT_reverse_calculate', $reverse_calculate);
-    }
-
-
-    /**
-     * 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 $query_params @see
-     *                            https://github.com/eventespresso/event-espresso-core/tree/master/docs/G--Model-System/model-query-params.md
-     * @return EE_Registration[]|EE_Base_Class[]
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function registrations($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 $query_params @see
-     *                            https://github.com/eventespresso/event-espresso-core/tree/master/docs/G--Model-System/model-query-params.md
-     * @return int
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function count_registrations($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"/>';
-    }
-
-
-    /**
-     * 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(
-                    __('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(
-                    __('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;
-    }
-
-
-    /**
-     * @return int
-     * @throws EE_Error
-     * @throws ReflectionException
-     * @since   $VID:$
-     */
-    public function visibility(): int
-    {
-        return $this->get('TKT_visibility');
-    }
-
-
-    /**
-     * @return int
-     * @throws EE_Error
-     * @throws ReflectionException
-     * @since   $VID:$
-     */
-    public function isHidden(): int
-    {
-        return $this->visibility() === EEM_Ticket::TICKET_VISIBILITY_NONE_VALUE;
-    }
-
-
-    /**
-     * @return int
-     * @throws EE_Error
-     * @throws ReflectionException
-     * @since   $VID:$
-     */
-    public function isNotHidden(): int
-    {
-        return $this->visibility() > EEM_Ticket::TICKET_VISIBILITY_NONE_VALUE;
-    }
-
-
-    /**
-     * @return int
-     * @throws EE_Error
-     * @throws ReflectionException
-     * @since   $VID:$
-     */
-    public function isPublicOnly(): int
-    {
-        return $this->isNotHidden() && $this->visibility() <= EEM_Ticket::TICKET_VISIBILITY_PUBLIC_VALUE;
-    }
-
-
-    /**
-     * @return int
-     * @throws EE_Error
-     * @throws ReflectionException
-     * @since   $VID:$
-     */
-    public function isMembersOnly(): int
-    {
-        return $this->visibility() > EEM_Ticket::TICKET_VISIBILITY_PUBLIC_VALUE
-               && $this->visibility() <= EEM_Ticket::TICKET_VISIBILITY_MEMBERS_ONLY_VALUE;
-    }
-
-
-    /**
-     * @return int
-     * @throws EE_Error
-     * @throws ReflectionException
-     * @since   $VID:$
-     */
-    public function isAdminsOnly(): int
-    {
-        return $this->visibility() > EEM_Ticket::TICKET_VISIBILITY_MEMBERS_ONLY_VALUE
-               && $this->visibility() <= EEM_Ticket::TICKET_VISIBILITY_ADMINS_ONLY_VALUE;
-    }
-
-
-    /**
-     * @return int
-     * @throws EE_Error
-     * @throws ReflectionException
-     * @since   $VID:$
-     */
-    public function isAdminUiOnly(): int
-    {
-        return $this->visibility() > EEM_Ticket::TICKET_VISIBILITY_ADMINS_ONLY_VALUE
-               && $this->visibility() <= EEM_Ticket::TICKET_VISIBILITY_ADMIN_UI_ONLY_VALUE;
-    }
-
-
-    /**
-     * @param int $visibility
-     * @throws EE_Error
-     * @throws ReflectionException
-     * @since   $VID:$
-     */
-    public function set_visibility(int $visibility)
-    {
-
-        $ticket_visibility_options = $this->_model->ticketVisibilityOptions();
-        $ticket_visibility         = -1;
-        foreach ($ticket_visibility_options as $ticket_visibility_option) {
-            if ($visibility === $ticket_visibility_option) {
-                $ticket_visibility = $visibility;
-            }
-        }
-        if ($ticket_visibility === -1) {
-            throw new DomainException(
-                sprintf(
-                    esc_html__(
-                        'The supplied ticket visibility setting of "%1$s" is not valid. It needs to match one of the keys in the following array:%2$s %3$s ',
-                        'event_espresso'
-                    ),
-                    $visibility,
-                    '<br />',
-                    var_export($ticket_visibility_options, true)
-                )
-            );
-        }
-        $this->set('TKT_visibility', $ticket_visibility);
-    }
-
-
-    /**
-     * @param EE_Base_Class|int|string $otherObjectModelObjectOrID
-     * @param string                   $relationName
-     * @param array                    $extra_join_model_fields_n_values
-     * @param string|null              $cache_id
-     * @return EE_Base_Class
-     * @throws EE_Error
-     * @throws ReflectionException
-     * @since   $VID:$
-     */
-    public function _add_relation_to(
-        $otherObjectModelObjectOrID,
-        $relationName,
-        $extra_join_model_fields_n_values = [],
-        $cache_id = null
-    ) {
-        if ($relationName === 'Datetime') {
-            /** @var EE_Datetime $datetime */
-            $datetime = EEM_Datetime::instance()->ensure_is_obj($otherObjectModelObjectOrID);
-            $datetime->increaseSold($this->sold());
-            $datetime->increaseReserved($this->reserved());
-            $datetime->save();
-            $otherObjectModelObjectOrID = $datetime;
-        }
-        return parent::_add_relation_to(
-            $otherObjectModelObjectOrID,
-            $relationName,
-            $extra_join_model_fields_n_values,
-            $cache_id
-        );
-    }
-
-
-    /**
-     * @param EE_Base_Class|int|string $otherObjectModelObjectOrID
-     * @param string                   $relationName
-     * @param array                    $where_query
-     * @return bool|EE_Base_Class|null
-     * @throws EE_Error
-     * @throws ReflectionException
-     * @since   $VID:$
-     */
-    public function _remove_relation_to($otherObjectModelObjectOrID, $relationName, $where_query = [])
-    {
-        if ($relationName === 'Datetime') {
-            /** @var EE_Datetime $datetime */
-            $datetime = EEM_Datetime::instance()->ensure_is_obj($otherObjectModelObjectOrID);
-            $datetime->decreaseSold($this->sold());
-            $datetime->decreaseReserved($this->reserved());
-            $datetime->save();
-            $otherObjectModelObjectOrID = $datetime;
-        }
-        return parent::_remove_relation_to(
-            $otherObjectModelObjectOrID,
-            $relationName,
-            $where_query
-        );
-    }
-
-
-    /*******************************************************************
+	/**
+	 * TicKet Sold out:
+	 * constant used by ticket_status() to indicate that a ticket is sold out
+	 * and no longer available for purchases
+	 */
+	const sold_out = 'TKS';
+
+	/**
+	 * TicKet Expired:
+	 * constant used by ticket_status() to indicate that a ticket is expired
+	 * and no longer available for purchase
+	 */
+	const expired = 'TKE';
+
+	/**
+	 * TicKet Archived:
+	 * constant used by ticket_status() to indicate that a ticket is archived
+	 * and no longer available for purchase
+	 */
+	const archived = 'TKA';
+
+	/**
+	 * TicKet Pending:
+	 * constant used by ticket_status() to indicate that a ticket is pending
+	 * and is NOT YET available for purchase
+	 */
+	const pending = 'TKP';
+
+	/**
+	 * TicKet On sale:
+	 * constant used by ticket_status() to indicate that a ticket is On Sale
+	 * and IS available for purchase
+	 */
+	const onsale = 'TKO';
+
+	/**
+	 * extra meta key for tracking ticket reservations
+	 *
+	 * @type string
+	 */
+	const META_KEY_TICKET_RESERVATIONS = 'ticket_reservations';
+
+	/**
+	 * override of parent property
+	 *
+	 * @var EEM_Ticket
+	 */
+	protected $_model;
+
+	/**
+	 * 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 = [])
+	{
+		$has_object = parent::_check_for_object($props_n_values, __CLASS__, $timezone, $date_formats);
+		return $has_object ? $has_object : new self($props_n_values, false, $timezone, $date_formats);
+	}
+
+
+	/**
+	 * @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);
+	}
+
+
+	/**
+	 * @return bool
+	 * @throws EE_Error
+	 * @throws 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 $DTT_ID if an int above 0 is included here then we get a specific dtt.
+	 * @return boolean         true = tickets remaining, false not.
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function is_remaining($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 $DTT_ID  the primary key for a particular datetime.
+	 *                     set to 0 for all related datetimes
+	 * @return int
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function remaining($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
+	 * @throws 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 $query_params @see
+	 *                            https://github.com/eventespresso/event-espresso-core/tree/master/docs/G--Model-System/model-query-params.md
+	 * @return EE_Datetime[]|EE_Base_Class[]
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function datetimes($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
+	 * @throws 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 $what    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 $what = 'datetime'.
+	 * @return mixed (array|int)          how many tickets have sold
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function tickets_sold($what = 'ticket', $dtt_id = null)
+	{
+		$total        = 0;
+		$tickets_sold = $this->_all_tickets_sold();
+		switch ($what) {
+			case 'ticket':
+				return $tickets_sold['ticket'];
+				break;
+			case 'datetime':
+				if (empty($tickets_sold['datetime'])) {
+					return $total;
+				}
+				if (! empty($dtt_id) && ! isset($tickets_sold['datetime'][ $dtt_id ])) {
+					EE_Error::add_error(
+						__(
+							'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 ];
+				break;
+			default:
+				return $total;
+		}
+	}
+
+
+	/**
+	 * 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
+	 * @throws 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);
+	}
+
+
+	/**
+	 * This returns ONLY the price modifiers for the ticket (i.e. no taxes or base price)
+	 *
+	 * @access public
+	 * @return EE_Price[]
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function tax_price_modifiers()
+	{
+		$query_params = [
+			0 => [
+				'Price_Type.PBT_ID' => 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 $query_params @see
+	 *                            https://github.com/eventespresso/event-espresso-core/tree/master/docs/G--Model-System/model-query-params.md
+	 * @return EE_Price[]|EE_Base_Class[]
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function prices($query_params = [])
+	{
+		return $this->get_many_related('Price', $query_params);
+	}
+
+
+	/**
+	 * Gets all the ticket datetimes (ie, relations between datetimes and tickets)
+	 *
+	 * @param array $query_params @see
+	 *                            https://github.com/eventespresso/event-espresso-core/tree/master/docs/G--Model-System/model-query-params.md
+	 * @return EE_Datetime_Ticket|EE_Base_Class[]
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function datetime_tickets($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 $show_deleted
+	 * @return EE_Datetime[]
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function datetimes_ordered($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 $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');
+	}
+
+
+	/**
+	 * @return mixed
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function pretty_price()
+	{
+		return $this->get_pretty('TKT_price');
+	}
+
+
+	/**
+	 * @return bool
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function is_free()
+	{
+		return $this->get_ticket_total_with_taxes() === (float) 0;
+	}
+
+
+	/**
+	 * get_ticket_total_with_taxes
+	 *
+	 * @param bool $no_cache
+	 * @return float
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function get_ticket_total_with_taxes($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()
+	{
+		$this->set('TKT_price', EE_Taxes::get_subtotal_for_admin($this));
+		$this->save();
+	}
+
+
+	/**
+	 * @return float
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function get_ticket_subtotal()
+	{
+		return EE_Taxes::get_subtotal_for_admin($this);
+	}
+
+
+	/**
+	 * Returns the total taxes applied to this ticket
+	 *
+	 * @return float
+	 * @throws EE_Error
+	 * @throws 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, $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);
+	}
+
+
+	/**
+	 * @return boolean
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public function reverse_calculate()
+	{
+		return $this->get('TKT_reverse_calculate');
+	}
+
+
+	/**
+	 * @param boolean $reverse_calculate
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public function set_reverse_calculate($reverse_calculate)
+	{
+		$this->set('TKT_reverse_calculate', $reverse_calculate);
+	}
+
+
+	/**
+	 * 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 $query_params @see
+	 *                            https://github.com/eventespresso/event-espresso-core/tree/master/docs/G--Model-System/model-query-params.md
+	 * @return EE_Registration[]|EE_Base_Class[]
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function registrations($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 $query_params @see
+	 *                            https://github.com/eventespresso/event-espresso-core/tree/master/docs/G--Model-System/model-query-params.md
+	 * @return int
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function count_registrations($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"/>';
+	}
+
+
+	/**
+	 * 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(
+					__('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(
+					__('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;
+	}
+
+
+	/**
+	 * @return int
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 * @since   $VID:$
+	 */
+	public function visibility(): int
+	{
+		return $this->get('TKT_visibility');
+	}
+
+
+	/**
+	 * @return int
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 * @since   $VID:$
+	 */
+	public function isHidden(): int
+	{
+		return $this->visibility() === EEM_Ticket::TICKET_VISIBILITY_NONE_VALUE;
+	}
+
+
+	/**
+	 * @return int
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 * @since   $VID:$
+	 */
+	public function isNotHidden(): int
+	{
+		return $this->visibility() > EEM_Ticket::TICKET_VISIBILITY_NONE_VALUE;
+	}
+
+
+	/**
+	 * @return int
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 * @since   $VID:$
+	 */
+	public function isPublicOnly(): int
+	{
+		return $this->isNotHidden() && $this->visibility() <= EEM_Ticket::TICKET_VISIBILITY_PUBLIC_VALUE;
+	}
+
+
+	/**
+	 * @return int
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 * @since   $VID:$
+	 */
+	public function isMembersOnly(): int
+	{
+		return $this->visibility() > EEM_Ticket::TICKET_VISIBILITY_PUBLIC_VALUE
+			   && $this->visibility() <= EEM_Ticket::TICKET_VISIBILITY_MEMBERS_ONLY_VALUE;
+	}
+
+
+	/**
+	 * @return int
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 * @since   $VID:$
+	 */
+	public function isAdminsOnly(): int
+	{
+		return $this->visibility() > EEM_Ticket::TICKET_VISIBILITY_MEMBERS_ONLY_VALUE
+			   && $this->visibility() <= EEM_Ticket::TICKET_VISIBILITY_ADMINS_ONLY_VALUE;
+	}
+
+
+	/**
+	 * @return int
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 * @since   $VID:$
+	 */
+	public function isAdminUiOnly(): int
+	{
+		return $this->visibility() > EEM_Ticket::TICKET_VISIBILITY_ADMINS_ONLY_VALUE
+			   && $this->visibility() <= EEM_Ticket::TICKET_VISIBILITY_ADMIN_UI_ONLY_VALUE;
+	}
+
+
+	/**
+	 * @param int $visibility
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 * @since   $VID:$
+	 */
+	public function set_visibility(int $visibility)
+	{
+
+		$ticket_visibility_options = $this->_model->ticketVisibilityOptions();
+		$ticket_visibility         = -1;
+		foreach ($ticket_visibility_options as $ticket_visibility_option) {
+			if ($visibility === $ticket_visibility_option) {
+				$ticket_visibility = $visibility;
+			}
+		}
+		if ($ticket_visibility === -1) {
+			throw new DomainException(
+				sprintf(
+					esc_html__(
+						'The supplied ticket visibility setting of "%1$s" is not valid. It needs to match one of the keys in the following array:%2$s %3$s ',
+						'event_espresso'
+					),
+					$visibility,
+					'<br />',
+					var_export($ticket_visibility_options, true)
+				)
+			);
+		}
+		$this->set('TKT_visibility', $ticket_visibility);
+	}
+
+
+	/**
+	 * @param EE_Base_Class|int|string $otherObjectModelObjectOrID
+	 * @param string                   $relationName
+	 * @param array                    $extra_join_model_fields_n_values
+	 * @param string|null              $cache_id
+	 * @return EE_Base_Class
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 * @since   $VID:$
+	 */
+	public function _add_relation_to(
+		$otherObjectModelObjectOrID,
+		$relationName,
+		$extra_join_model_fields_n_values = [],
+		$cache_id = null
+	) {
+		if ($relationName === 'Datetime') {
+			/** @var EE_Datetime $datetime */
+			$datetime = EEM_Datetime::instance()->ensure_is_obj($otherObjectModelObjectOrID);
+			$datetime->increaseSold($this->sold());
+			$datetime->increaseReserved($this->reserved());
+			$datetime->save();
+			$otherObjectModelObjectOrID = $datetime;
+		}
+		return parent::_add_relation_to(
+			$otherObjectModelObjectOrID,
+			$relationName,
+			$extra_join_model_fields_n_values,
+			$cache_id
+		);
+	}
+
+
+	/**
+	 * @param EE_Base_Class|int|string $otherObjectModelObjectOrID
+	 * @param string                   $relationName
+	 * @param array                    $where_query
+	 * @return bool|EE_Base_Class|null
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 * @since   $VID:$
+	 */
+	public function _remove_relation_to($otherObjectModelObjectOrID, $relationName, $where_query = [])
+	{
+		if ($relationName === 'Datetime') {
+			/** @var EE_Datetime $datetime */
+			$datetime = EEM_Datetime::instance()->ensure_is_obj($otherObjectModelObjectOrID);
+			$datetime->decreaseSold($this->sold());
+			$datetime->decreaseReserved($this->reserved());
+			$datetime->save();
+			$otherObjectModelObjectOrID = $datetime;
+		}
+		return parent::_remove_relation_to(
+			$otherObjectModelObjectOrID,
+			$relationName,
+			$where_query
+		);
+	}
+
+
+	/*******************************************************************
      ***********************  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);
+	}
 }

caffeinated/admin/new/pricing/espresso_events_Pricing_Hooks.class.php

Indentation +2143 added lines, -2143 removed lines

@@ -15,2205 +15,2205 @@
 class espresso_events_Pricing_Hooks extends EE_Admin_Hooks
 {
 
-    /**
-     * This property is just used to hold the status of whether an event is currently being
-     * created (true) or edited (false)
-     *
-     * @access protected
-     * @var bool
-     */
-    protected $_is_creating_event;
+	/**
+	 * This property is just used to hold the status of whether an event is currently being
+	 * created (true) or edited (false)
+	 *
+	 * @access protected
+	 * @var bool
+	 */
+	protected $_is_creating_event;
 
-    /**
-     * Used to contain the format strings for date and time that will be used for php date and
-     * time.
-     * Is set in the _set_hooks_properties() method.
-     *
-     * @var array
-     */
-    protected $_date_format_strings;
+	/**
+	 * Used to contain the format strings for date and time that will be used for php date and
+	 * time.
+	 * Is set in the _set_hooks_properties() method.
+	 *
+	 * @var array
+	 */
+	protected $_date_format_strings;
 
-    /**
-     * @var string $_date_time_format
-     */
-    protected $_date_time_format;
+	/**
+	 * @var string $_date_time_format
+	 */
+	protected $_date_time_format;
 
 
-    /**
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     */
-    protected function _set_hooks_properties()
-    {
-        $this->_name = 'pricing';
-        // capability check
-        if (
-            $this->_adminpage_obj->adminConfig()->useAdvancedEditor()
-            || ! EE_Registry::instance()->CAP->current_user_can(
-                'ee_read_default_prices',
-                'advanced_ticket_datetime_metabox'
-            )
-        ) {
-            $this->_metaboxes      = [];
-            $this->_scripts_styles = [];
-            return;
-        }
-        $this->_setup_metaboxes();
-        $this->_set_date_time_formats();
-        $this->_validate_format_strings();
-        $this->_set_scripts_styles();
-        // commented out temporarily until logic is implemented in callback
-        // add_action(
-        //     'AHEE__EE_Admin_Page_CPT__do_extra_autosave_stuff__after_Extend_Events_Admin_Page',
-        //     array($this, 'autosave_handling')
-        // );
-        add_filter(
-            'FHEE__Events_Admin_Page___insert_update_cpt_item__event_update_callbacks',
-            array($this, 'caf_updates')
-        );
-    }
+	/**
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 */
+	protected function _set_hooks_properties()
+	{
+		$this->_name = 'pricing';
+		// capability check
+		if (
+			$this->_adminpage_obj->adminConfig()->useAdvancedEditor()
+			|| ! EE_Registry::instance()->CAP->current_user_can(
+				'ee_read_default_prices',
+				'advanced_ticket_datetime_metabox'
+			)
+		) {
+			$this->_metaboxes      = [];
+			$this->_scripts_styles = [];
+			return;
+		}
+		$this->_setup_metaboxes();
+		$this->_set_date_time_formats();
+		$this->_validate_format_strings();
+		$this->_set_scripts_styles();
+		// commented out temporarily until logic is implemented in callback
+		// add_action(
+		//     'AHEE__EE_Admin_Page_CPT__do_extra_autosave_stuff__after_Extend_Events_Admin_Page',
+		//     array($this, 'autosave_handling')
+		// );
+		add_filter(
+			'FHEE__Events_Admin_Page___insert_update_cpt_item__event_update_callbacks',
+			array($this, 'caf_updates')
+		);
+	}
 
 
-    /**
-     * @return void
-     */
-    protected function _setup_metaboxes()
-    {
-        // if we were going to add our own metaboxes we'd use the below.
-        $this->_metaboxes = array(
-            0 => array(
-                'page_route' => array('edit', 'create_new'),
-                'func'       => 'pricing_metabox',
-                'label'      => esc_html__('Event Tickets & Datetimes', 'event_espresso'),
-                'priority'   => 'high',
-                'context'    => 'normal',
-            ),
-        );
-        $this->_remove_metaboxes = array(
-            0 => array(
-                'page_route' => array('edit', 'create_new'),
-                'id'         => 'espresso_event_editor_tickets',
-                'context'    => 'normal',
-            ),
-        );
-    }
+	/**
+	 * @return void
+	 */
+	protected function _setup_metaboxes()
+	{
+		// if we were going to add our own metaboxes we'd use the below.
+		$this->_metaboxes = array(
+			0 => array(
+				'page_route' => array('edit', 'create_new'),
+				'func'       => 'pricing_metabox',
+				'label'      => esc_html__('Event Tickets & Datetimes', 'event_espresso'),
+				'priority'   => 'high',
+				'context'    => 'normal',
+			),
+		);
+		$this->_remove_metaboxes = array(
+			0 => array(
+				'page_route' => array('edit', 'create_new'),
+				'id'         => 'espresso_event_editor_tickets',
+				'context'    => 'normal',
+			),
+		);
+	}
 
 
-    /**
-     * @return void
-     */
-    protected function _set_date_time_formats()
-    {
-        /**
-         * Format strings for date and time.  Defaults are existing behaviour from 4.1.
-         * Note, that if you return null as the value for 'date', and 'time' in the array, then
-         * EE will automatically use the set wp_options, 'date_format', and 'time_format'.
-         *
-         * @since 4.6.7
-         * @var array  Expected an array returned with 'date' and 'time' keys.
-         */
-        $this->_date_format_strings = apply_filters(
-            'FHEE__espresso_events_Pricing_Hooks___set_hooks_properties__date_format_strings',
-            array(
-                'date' => 'Y-m-d',
-                'time' => 'h:i a',
-            )
-        );
-        // validate
-        $this->_date_format_strings['date'] = isset($this->_date_format_strings['date'])
-            ? $this->_date_format_strings['date']
-            : null;
-        $this->_date_format_strings['time'] = isset($this->_date_format_strings['time'])
-            ? $this->_date_format_strings['time']
-            : null;
-        $this->_date_time_format = $this->_date_format_strings['date']
-                                   . ' '
-                                   . $this->_date_format_strings['time'];
-    }
+	/**
+	 * @return void
+	 */
+	protected function _set_date_time_formats()
+	{
+		/**
+		 * Format strings for date and time.  Defaults are existing behaviour from 4.1.
+		 * Note, that if you return null as the value for 'date', and 'time' in the array, then
+		 * EE will automatically use the set wp_options, 'date_format', and 'time_format'.
+		 *
+		 * @since 4.6.7
+		 * @var array  Expected an array returned with 'date' and 'time' keys.
+		 */
+		$this->_date_format_strings = apply_filters(
+			'FHEE__espresso_events_Pricing_Hooks___set_hooks_properties__date_format_strings',
+			array(
+				'date' => 'Y-m-d',
+				'time' => 'h:i a',
+			)
+		);
+		// validate
+		$this->_date_format_strings['date'] = isset($this->_date_format_strings['date'])
+			? $this->_date_format_strings['date']
+			: null;
+		$this->_date_format_strings['time'] = isset($this->_date_format_strings['time'])
+			? $this->_date_format_strings['time']
+			: null;
+		$this->_date_time_format = $this->_date_format_strings['date']
+								   . ' '
+								   . $this->_date_format_strings['time'];
+	}
 
 
-    /**
-     * @return void
-     */
-    protected function _validate_format_strings()
-    {
-        // validate format strings
-        $format_validation = EEH_DTT_Helper::validate_format_string(
-            $this->_date_time_format
-        );
-        if (is_array($format_validation)) {
-            $msg = '<p>';
-            $msg .= sprintf(
-                esc_html__(
-                    'The format "%s" was likely added via a filter and is invalid for the following reasons:',
-                    'event_espresso'
-                ),
-                $this->_date_time_format
-            );
-            $msg .= '</p><ul>';
-            foreach ($format_validation as $error) {
-                $msg .= '<li>' . $error . '</li>';
-            }
-            $msg .= '</ul><p>';
-            $msg .= sprintf(
-                esc_html__(
-                    '%sPlease note that your date and time formats have been reset to "Y-m-d" and "h:i a" respectively.%s',
-                    'event_espresso'
-                ),
-                '<span style="color:#D54E21;">',
-                '</span>'
-            );
-            $msg .= '</p>';
-            EE_Error::add_attention($msg, __FILE__, __FUNCTION__, __LINE__);
-            $this->_date_format_strings = array(
-                'date' => 'Y-m-d',
-                'time' => 'h:i a',
-            );
-        }
-    }
+	/**
+	 * @return void
+	 */
+	protected function _validate_format_strings()
+	{
+		// validate format strings
+		$format_validation = EEH_DTT_Helper::validate_format_string(
+			$this->_date_time_format
+		);
+		if (is_array($format_validation)) {
+			$msg = '<p>';
+			$msg .= sprintf(
+				esc_html__(
+					'The format "%s" was likely added via a filter and is invalid for the following reasons:',
+					'event_espresso'
+				),
+				$this->_date_time_format
+			);
+			$msg .= '</p><ul>';
+			foreach ($format_validation as $error) {
+				$msg .= '<li>' . $error . '</li>';
+			}
+			$msg .= '</ul><p>';
+			$msg .= sprintf(
+				esc_html__(
+					'%sPlease note that your date and time formats have been reset to "Y-m-d" and "h:i a" respectively.%s',
+					'event_espresso'
+				),
+				'<span style="color:#D54E21;">',
+				'</span>'
+			);
+			$msg .= '</p>';
+			EE_Error::add_attention($msg, __FILE__, __FUNCTION__, __LINE__);
+			$this->_date_format_strings = array(
+				'date' => 'Y-m-d',
+				'time' => 'h:i a',
+			);
+		}
+	}
 
 
-    /**
-     * @return void
-     */
-    protected function _set_scripts_styles()
-    {
-        $this->_scripts_styles = array(
-            'registers'   => array(
-                'ee-tickets-datetimes-css' => array(
-                    'url'  => PRICING_ASSETS_URL . 'event-tickets-datetimes.css',
-                    'type' => 'css',
-                ),
-                'ee-dtt-ticket-metabox'    => array(
-                    'url'     => PRICING_ASSETS_URL . 'ee-datetime-ticket-metabox.js',
-                    'depends' => array('ee-datepicker', 'ee-dialog', 'underscore'),
-                ),
-            ),
-            'deregisters' => array(
-                'event-editor-css'       => array('type' => 'css'),
-                'event-datetime-metabox' => array('type' => 'js'),
-            ),
-            'enqueues'    => array(
-                'ee-tickets-datetimes-css' => array('edit', 'create_new'),
-                'ee-dtt-ticket-metabox'    => array('edit', 'create_new'),
-            ),
-            'localize'    => array(
-                'ee-dtt-ticket-metabox' => array(
-                    'DTT_TRASH_BLOCK'       => array(
-                        'main_warning'            => esc_html__(
-                            'The Datetime you are attempting to trash is the only datetime selected for the following ticket(s):',
-                            'event_espresso'
-                        ),
-                        'after_warning'           => esc_html__(
-                            'In order to trash this datetime you must first make sure the above ticket(s) are assigned to other datetimes.',
-                            'event_espresso'
-                        ),
-                        'cancel_button'           => '<button class="button-secondary ee-modal-cancel">'
-                                                     . esc_html__('Cancel', 'event_espresso') . '</button>',
-                        'close_button'            => '<button class="button-secondary ee-modal-cancel">'
-                                                     . esc_html__('Close', 'event_espresso') . '</button>',
-                        'single_warning_from_tkt' => esc_html__(
-                            'The Datetime you are attempting to unassign from this ticket is the only remaining datetime for this ticket. Tickets must always have at least one datetime assigned to them.',
-                            'event_espresso'
-                        ),
-                        'single_warning_from_dtt' => esc_html__(
-                            'The ticket you are attempting to unassign from this datetime cannot be unassigned because the datetime is the only remaining datetime for the ticket.  Tickets must always have at least one datetime assigned to them.',
-                            'event_espresso'
-                        ),
-                        'dismiss_button'          => '<button class="button-secondary ee-modal-cancel">'
-                                                     . esc_html__('Dismiss', 'event_espresso') . '</button>',
-                    ),
-                    'DTT_ERROR_MSG'         => array(
-                        'no_ticket_name' => esc_html__('General Admission', 'event_espresso'),
-                        'dismiss_button' => '<div class="save-cancel-button-container">'
-                                            . '<button class="button-secondary ee-modal-cancel">'
-                                            . esc_html__('Dismiss', 'event_espresso')
-                                            . '</button></div>',
-                    ),
-                    'DTT_OVERSELL_WARNING'  => array(
-                        'datetime_ticket' => esc_html__(
-                            'You cannot add this ticket to this datetime because it has a sold amount that is greater than the amount of spots remaining for this datetime.',
-                            'event_espresso'
-                        ),
-                        'ticket_datetime' => esc_html__(
-                            'You cannot add this datetime to this ticket because the ticket has a sold amount that is greater than the amount of spots remaining on the datetime.',
-                            'event_espresso'
-                        ),
-                    ),
-                    'DTT_CONVERTED_FORMATS' => EEH_DTT_Helper::convert_php_to_js_and_moment_date_formats(
-                        $this->_date_format_strings['date'],
-                        $this->_date_format_strings['time']
-                    ),
-                    'DTT_START_OF_WEEK'     => array('dayValue' => (int) get_option('start_of_week')),
-                ),
-            ),
-        );
-    }
+	/**
+	 * @return void
+	 */
+	protected function _set_scripts_styles()
+	{
+		$this->_scripts_styles = array(
+			'registers'   => array(
+				'ee-tickets-datetimes-css' => array(
+					'url'  => PRICING_ASSETS_URL . 'event-tickets-datetimes.css',
+					'type' => 'css',
+				),
+				'ee-dtt-ticket-metabox'    => array(
+					'url'     => PRICING_ASSETS_URL . 'ee-datetime-ticket-metabox.js',
+					'depends' => array('ee-datepicker', 'ee-dialog', 'underscore'),
+				),
+			),
+			'deregisters' => array(
+				'event-editor-css'       => array('type' => 'css'),
+				'event-datetime-metabox' => array('type' => 'js'),
+			),
+			'enqueues'    => array(
+				'ee-tickets-datetimes-css' => array('edit', 'create_new'),
+				'ee-dtt-ticket-metabox'    => array('edit', 'create_new'),
+			),
+			'localize'    => array(
+				'ee-dtt-ticket-metabox' => array(
+					'DTT_TRASH_BLOCK'       => array(
+						'main_warning'            => esc_html__(
+							'The Datetime you are attempting to trash is the only datetime selected for the following ticket(s):',
+							'event_espresso'
+						),
+						'after_warning'           => esc_html__(
+							'In order to trash this datetime you must first make sure the above ticket(s) are assigned to other datetimes.',
+							'event_espresso'
+						),
+						'cancel_button'           => '<button class="button-secondary ee-modal-cancel">'
+													 . esc_html__('Cancel', 'event_espresso') . '</button>',
+						'close_button'            => '<button class="button-secondary ee-modal-cancel">'
+													 . esc_html__('Close', 'event_espresso') . '</button>',
+						'single_warning_from_tkt' => esc_html__(
+							'The Datetime you are attempting to unassign from this ticket is the only remaining datetime for this ticket. Tickets must always have at least one datetime assigned to them.',
+							'event_espresso'
+						),
+						'single_warning_from_dtt' => esc_html__(
+							'The ticket you are attempting to unassign from this datetime cannot be unassigned because the datetime is the only remaining datetime for the ticket.  Tickets must always have at least one datetime assigned to them.',
+							'event_espresso'
+						),
+						'dismiss_button'          => '<button class="button-secondary ee-modal-cancel">'
+													 . esc_html__('Dismiss', 'event_espresso') . '</button>',
+					),
+					'DTT_ERROR_MSG'         => array(
+						'no_ticket_name' => esc_html__('General Admission', 'event_espresso'),
+						'dismiss_button' => '<div class="save-cancel-button-container">'
+											. '<button class="button-secondary ee-modal-cancel">'
+											. esc_html__('Dismiss', 'event_espresso')
+											. '</button></div>',
+					),
+					'DTT_OVERSELL_WARNING'  => array(
+						'datetime_ticket' => esc_html__(
+							'You cannot add this ticket to this datetime because it has a sold amount that is greater than the amount of spots remaining for this datetime.',
+							'event_espresso'
+						),
+						'ticket_datetime' => esc_html__(
+							'You cannot add this datetime to this ticket because the ticket has a sold amount that is greater than the amount of spots remaining on the datetime.',
+							'event_espresso'
+						),
+					),
+					'DTT_CONVERTED_FORMATS' => EEH_DTT_Helper::convert_php_to_js_and_moment_date_formats(
+						$this->_date_format_strings['date'],
+						$this->_date_format_strings['time']
+					),
+					'DTT_START_OF_WEEK'     => array('dayValue' => (int) get_option('start_of_week')),
+				),
+			),
+		);
+	}
 
 
-    /**
-     * @param array $update_callbacks
-     * @return array
-     */
-    public function caf_updates(array $update_callbacks)
-    {
-        unset($update_callbacks['_default_tickets_update']);
-        $update_callbacks['datetime_and_tickets_caf_update'] = array($this, 'datetime_and_tickets_caf_update');
-        return $update_callbacks;
-    }
+	/**
+	 * @param array $update_callbacks
+	 * @return array
+	 */
+	public function caf_updates(array $update_callbacks)
+	{
+		unset($update_callbacks['_default_tickets_update']);
+		$update_callbacks['datetime_and_tickets_caf_update'] = array($this, 'datetime_and_tickets_caf_update');
+		return $update_callbacks;
+	}
 
 
-    /**
-     * Handles saving everything related to Tickets (datetimes, tickets, prices)
-     *
-     * @param  EE_Event $event The Event object we're attaching data to
-     * @param  array    $data  The request data from the form
-     * @throws ReflectionException
-     * @throws Exception
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     */
-    public function datetime_and_tickets_caf_update($event, $data)
-    {
-        // first we need to start with datetimes cause they are the "root" items attached to events.
-        $saved_datetimes = $this->_update_datetimes($event, $data);
-        // next tackle the tickets (and prices?)
-        $this->_update_tickets($event, $saved_datetimes, $data);
-    }
+	/**
+	 * Handles saving everything related to Tickets (datetimes, tickets, prices)
+	 *
+	 * @param  EE_Event $event The Event object we're attaching data to
+	 * @param  array    $data  The request data from the form
+	 * @throws ReflectionException
+	 * @throws Exception
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 */
+	public function datetime_and_tickets_caf_update($event, $data)
+	{
+		// first we need to start with datetimes cause they are the "root" items attached to events.
+		$saved_datetimes = $this->_update_datetimes($event, $data);
+		// next tackle the tickets (and prices?)
+		$this->_update_tickets($event, $saved_datetimes, $data);
+	}
 
 
-    /**
-     * update event_datetimes
-     *
-     * @param  EE_Event $event Event being updated
-     * @param  array    $data  the request data from the form
-     * @return EE_Datetime[]
-     * @throws Exception
-     * @throws ReflectionException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws InvalidArgumentException
-     * @throws EE_Error
-     */
-    protected function _update_datetimes($event, $data)
-    {
-        $timezone = isset($data['timezone_string']) ? $data['timezone_string'] : null;
-        $saved_dtt_ids = array();
-        $saved_dtt_objs = array();
-        if (empty($data['edit_event_datetimes']) || ! is_array($data['edit_event_datetimes'])) {
-            throw new InvalidArgumentException(
-                esc_html__(
-                    'The "edit_event_datetimes" array is invalid therefore the event can not be updated.',
-                    'event_espresso'
-                )
-            );
-        }
-        foreach ($data['edit_event_datetimes'] as $row => $datetime_data) {
-            // trim all values to ensure any excess whitespace is removed.
-            $datetime_data = array_map(
-                function ($datetime_data) {
-                    return is_array($datetime_data) ? $datetime_data : trim($datetime_data);
-                },
-                $datetime_data
-            );
-            $datetime_data['DTT_EVT_end'] = isset($datetime_data['DTT_EVT_end'])
-                                            && ! empty($datetime_data['DTT_EVT_end'])
-                ? $datetime_data['DTT_EVT_end']
-                : $datetime_data['DTT_EVT_start'];
-            $datetime_values = array(
-                'DTT_ID'          => ! empty($datetime_data['DTT_ID'])
-                    ? $datetime_data['DTT_ID']
-                    : null,
-                'DTT_name'        => ! empty($datetime_data['DTT_name'])
-                    ? $datetime_data['DTT_name']
-                    : '',
-                'DTT_description' => ! empty($datetime_data['DTT_description'])
-                    ? $datetime_data['DTT_description']
-                    : '',
-                'DTT_EVT_start'   => $datetime_data['DTT_EVT_start'],
-                'DTT_EVT_end'     => $datetime_data['DTT_EVT_end'],
-                'DTT_reg_limit'   => empty($datetime_data['DTT_reg_limit'])
-                    ? EE_INF
-                    : $datetime_data['DTT_reg_limit'],
-                'DTT_order'       => ! isset($datetime_data['DTT_order'])
-                    ? $row
-                    : $datetime_data['DTT_order'],
-            );
-            // if we have an id then let's get existing object first and then set the new values.
-            // Otherwise we instantiate a new object for save.
-            if (! empty($datetime_data['DTT_ID'])) {
-                $datetime = EE_Registry::instance()
-                                       ->load_model('Datetime', array($timezone))
-                                       ->get_one_by_ID($datetime_data['DTT_ID']);
-                // set date and time format according to what is set in this class.
-                $datetime->set_date_format($this->_date_format_strings['date']);
-                $datetime->set_time_format($this->_date_format_strings['time']);
-                foreach ($datetime_values as $field => $value) {
-                    $datetime->set($field, $value);
-                }
-                // make sure the $dtt_id here is saved just in case
-                // after the add_relation_to() the autosave replaces it.
-                // We need to do this so we dont' TRASH the parent DTT.
-                // (save the ID for both key and value to avoid duplications)
-                $saved_dtt_ids[ $datetime->ID() ] = $datetime->ID();
-            } else {
-                $datetime = EE_Registry::instance()->load_class(
-                    'Datetime',
-                    array(
-                        $datetime_values,
-                        $timezone,
-                        array($this->_date_format_strings['date'], $this->_date_format_strings['time']),
-                    ),
-                    false,
-                    false
-                );
-                foreach ($datetime_values as $field => $value) {
-                    $datetime->set($field, $value);
-                }
-            }
-            $datetime->save();
-            do_action(
-                'AHEE__espresso_events_Pricing_Hooks___update_datetimes_after_save',
-                $datetime,
-                $row,
-                $datetime_data,
-                $data
-            );
-            $datetime = $event->_add_relation_to($datetime, 'Datetime');
-            // before going any further make sure our dates are setup correctly
-            // so that the end date is always equal or greater than the start date.
-            if ($datetime->get_raw('DTT_EVT_start') > $datetime->get_raw('DTT_EVT_end')) {
-                $datetime->set('DTT_EVT_end', $datetime->get('DTT_EVT_start'));
-                $datetime = EEH_DTT_Helper::date_time_add($datetime, 'DTT_EVT_end', 'days');
-                $datetime->save();
-            }
-            // now we have to make sure we add the new DTT_ID to the $saved_dtt_ids array
-            // because it is possible there was a new one created for the autosave.
-            // (save the ID for both key and value to avoid duplications)
-            $DTT_ID = $datetime->ID();
-            $saved_dtt_ids[ $DTT_ID ] = $DTT_ID;
-            $saved_dtt_objs[ $row ] = $datetime;
-            // @todo if ANY of these updates fail then we want the appropriate global error message.
-        }
-        $event->save();
-        // now we need to REMOVE any datetimes that got deleted.
-        // Keep in mind that this process will only kick in for datetimes that don't have any DTT_sold on them.
-        // So its safe to permanently delete at this point.
-        $old_datetimes = explode(',', $data['datetime_IDs']);
-        $old_datetimes = $old_datetimes[0] === '' ? array() : $old_datetimes;
-        if (is_array($old_datetimes)) {
-            $datetimes_to_delete = array_diff($old_datetimes, $saved_dtt_ids);
-            foreach ($datetimes_to_delete as $id) {
-                $id = absint($id);
-                if (empty($id)) {
-                    continue;
-                }
-                $dtt_to_remove = EE_Registry::instance()->load_model('Datetime')->get_one_by_ID($id);
-                // remove tkt relationships.
-                $related_tickets = $dtt_to_remove->get_many_related('Ticket');
-                foreach ($related_tickets as $tkt) {
-                    $dtt_to_remove->_remove_relation_to($tkt, 'Ticket');
-                }
-                $event->_remove_relation_to($id, 'Datetime');
-                $dtt_to_remove->refresh_cache_of_related_objects();
-            }
-        }
-        return $saved_dtt_objs;
-    }
+	/**
+	 * update event_datetimes
+	 *
+	 * @param  EE_Event $event Event being updated
+	 * @param  array    $data  the request data from the form
+	 * @return EE_Datetime[]
+	 * @throws Exception
+	 * @throws ReflectionException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidArgumentException
+	 * @throws EE_Error
+	 */
+	protected function _update_datetimes($event, $data)
+	{
+		$timezone = isset($data['timezone_string']) ? $data['timezone_string'] : null;
+		$saved_dtt_ids = array();
+		$saved_dtt_objs = array();
+		if (empty($data['edit_event_datetimes']) || ! is_array($data['edit_event_datetimes'])) {
+			throw new InvalidArgumentException(
+				esc_html__(
+					'The "edit_event_datetimes" array is invalid therefore the event can not be updated.',
+					'event_espresso'
+				)
+			);
+		}
+		foreach ($data['edit_event_datetimes'] as $row => $datetime_data) {
+			// trim all values to ensure any excess whitespace is removed.
+			$datetime_data = array_map(
+				function ($datetime_data) {
+					return is_array($datetime_data) ? $datetime_data : trim($datetime_data);
+				},
+				$datetime_data
+			);
+			$datetime_data['DTT_EVT_end'] = isset($datetime_data['DTT_EVT_end'])
+											&& ! empty($datetime_data['DTT_EVT_end'])
+				? $datetime_data['DTT_EVT_end']
+				: $datetime_data['DTT_EVT_start'];
+			$datetime_values = array(
+				'DTT_ID'          => ! empty($datetime_data['DTT_ID'])
+					? $datetime_data['DTT_ID']
+					: null,
+				'DTT_name'        => ! empty($datetime_data['DTT_name'])
+					? $datetime_data['DTT_name']
+					: '',
+				'DTT_description' => ! empty($datetime_data['DTT_description'])
+					? $datetime_data['DTT_description']
+					: '',
+				'DTT_EVT_start'   => $datetime_data['DTT_EVT_start'],
+				'DTT_EVT_end'     => $datetime_data['DTT_EVT_end'],
+				'DTT_reg_limit'   => empty($datetime_data['DTT_reg_limit'])
+					? EE_INF
+					: $datetime_data['DTT_reg_limit'],
+				'DTT_order'       => ! isset($datetime_data['DTT_order'])
+					? $row
+					: $datetime_data['DTT_order'],
+			);
+			// if we have an id then let's get existing object first and then set the new values.
+			// Otherwise we instantiate a new object for save.
+			if (! empty($datetime_data['DTT_ID'])) {
+				$datetime = EE_Registry::instance()
+									   ->load_model('Datetime', array($timezone))
+									   ->get_one_by_ID($datetime_data['DTT_ID']);
+				// set date and time format according to what is set in this class.
+				$datetime->set_date_format($this->_date_format_strings['date']);
+				$datetime->set_time_format($this->_date_format_strings['time']);
+				foreach ($datetime_values as $field => $value) {
+					$datetime->set($field, $value);
+				}
+				// make sure the $dtt_id here is saved just in case
+				// after the add_relation_to() the autosave replaces it.
+				// We need to do this so we dont' TRASH the parent DTT.
+				// (save the ID for both key and value to avoid duplications)
+				$saved_dtt_ids[ $datetime->ID() ] = $datetime->ID();
+			} else {
+				$datetime = EE_Registry::instance()->load_class(
+					'Datetime',
+					array(
+						$datetime_values,
+						$timezone,
+						array($this->_date_format_strings['date'], $this->_date_format_strings['time']),
+					),
+					false,
+					false
+				);
+				foreach ($datetime_values as $field => $value) {
+					$datetime->set($field, $value);
+				}
+			}
+			$datetime->save();
+			do_action(
+				'AHEE__espresso_events_Pricing_Hooks___update_datetimes_after_save',
+				$datetime,
+				$row,
+				$datetime_data,
+				$data
+			);
+			$datetime = $event->_add_relation_to($datetime, 'Datetime');
+			// before going any further make sure our dates are setup correctly
+			// so that the end date is always equal or greater than the start date.
+			if ($datetime->get_raw('DTT_EVT_start') > $datetime->get_raw('DTT_EVT_end')) {
+				$datetime->set('DTT_EVT_end', $datetime->get('DTT_EVT_start'));
+				$datetime = EEH_DTT_Helper::date_time_add($datetime, 'DTT_EVT_end', 'days');
+				$datetime->save();
+			}
+			// now we have to make sure we add the new DTT_ID to the $saved_dtt_ids array
+			// because it is possible there was a new one created for the autosave.
+			// (save the ID for both key and value to avoid duplications)
+			$DTT_ID = $datetime->ID();
+			$saved_dtt_ids[ $DTT_ID ] = $DTT_ID;
+			$saved_dtt_objs[ $row ] = $datetime;
+			// @todo if ANY of these updates fail then we want the appropriate global error message.
+		}
+		$event->save();
+		// now we need to REMOVE any datetimes that got deleted.
+		// Keep in mind that this process will only kick in for datetimes that don't have any DTT_sold on them.
+		// So its safe to permanently delete at this point.
+		$old_datetimes = explode(',', $data['datetime_IDs']);
+		$old_datetimes = $old_datetimes[0] === '' ? array() : $old_datetimes;
+		if (is_array($old_datetimes)) {
+			$datetimes_to_delete = array_diff($old_datetimes, $saved_dtt_ids);
+			foreach ($datetimes_to_delete as $id) {
+				$id = absint($id);
+				if (empty($id)) {
+					continue;
+				}
+				$dtt_to_remove = EE_Registry::instance()->load_model('Datetime')->get_one_by_ID($id);
+				// remove tkt relationships.
+				$related_tickets = $dtt_to_remove->get_many_related('Ticket');
+				foreach ($related_tickets as $tkt) {
+					$dtt_to_remove->_remove_relation_to($tkt, 'Ticket');
+				}
+				$event->_remove_relation_to($id, 'Datetime');
+				$dtt_to_remove->refresh_cache_of_related_objects();
+			}
+		}
+		return $saved_dtt_objs;
+	}
 
 
-    /**
-     * update tickets
-     *
-     * @param  EE_Event      $event           Event object being updated
-     * @param  EE_Datetime[] $saved_datetimes an array of datetime ids being updated
-     * @param  array         $data            incoming request data
-     * @return EE_Ticket[]
-     * @throws Exception
-     * @throws ReflectionException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws InvalidArgumentException
-     * @throws EE_Error
-     */
-    protected function _update_tickets($event, $saved_datetimes, $data)
-    {
-        $new_tkt = null;
-        $new_default = null;
-        // stripslashes because WP filtered the $_POST ($data) array to add slashes
-        $data = stripslashes_deep($data);
-        $timezone = isset($data['timezone_string']) ? $data['timezone_string'] : null;
-        $saved_tickets = $datetimes_on_existing = array();
-        $old_tickets = isset($data['ticket_IDs']) ? explode(',', $data['ticket_IDs']) : array();
-        if (empty($data['edit_tickets']) || ! is_array($data['edit_tickets'])) {
-            throw new InvalidArgumentException(
-                esc_html__(
-                    'The "edit_tickets" array is invalid therefore the event can not be updated.',
-                    'event_espresso'
-                )
-            );
-        }
-        foreach ($data['edit_tickets'] as $row => $tkt) {
-            $update_prices = $create_new_TKT = false;
-            // figure out what datetimes were added to the ticket
-            // and what datetimes were removed from the ticket in the session.
-            $starting_tkt_dtt_rows = explode(',', $data['starting_ticket_datetime_rows'][ $row ]);
-            $tkt_dtt_rows = explode(',', $data['ticket_datetime_rows'][ $row ]);
-            $datetimes_added = array_diff($tkt_dtt_rows, $starting_tkt_dtt_rows);
-            $datetimes_removed = array_diff($starting_tkt_dtt_rows, $tkt_dtt_rows);
-            // trim inputs to ensure any excess whitespace is removed.
-            $tkt = array_map(
-                function ($ticket_data) {
-                    return is_array($ticket_data) ? $ticket_data : trim($ticket_data);
-                },
-                $tkt
-            );
-            // note we are doing conversions to floats here instead of allowing EE_Money_Field to handle
-            // because we're doing calculations prior to using the models.
-            // note incoming ['TKT_price'] value is already in standard notation (via js).
-            $ticket_price = isset($tkt['TKT_price'])
-                ? round((float) $tkt['TKT_price'], 3)
-                : 0;
-            // note incoming base price needs converted from localized value.
-            $base_price = isset($tkt['TKT_base_price'])
-                ? EEH_Money::convert_to_float_from_localized_money($tkt['TKT_base_price'])
-                : 0;
-            // if ticket price == 0 and $base_price != 0 then ticket price == base_price
-            $ticket_price = $ticket_price === 0 && $base_price !== 0
-                ? $base_price
-                : $ticket_price;
-            $base_price_id = isset($tkt['TKT_base_price_ID'])
-                ? $tkt['TKT_base_price_ID']
-                : 0;
-            $price_rows = is_array($data['edit_prices']) && isset($data['edit_prices'][ $row ])
-                ? $data['edit_prices'][ $row ]
-                : array();
-            $now = null;
-            if (empty($tkt['TKT_start_date'])) {
-                // lets' use now in the set timezone.
-                $now = new DateTime('now', new DateTimeZone($event->get_timezone()));
-                $tkt['TKT_start_date'] = $now->format($this->_date_time_format);
-            }
-            if (empty($tkt['TKT_end_date'])) {
-                /**
-                 * set the TKT_end_date to the first datetime attached to the ticket.
-                 */
-                $first_dtt = $saved_datetimes[ reset($tkt_dtt_rows) ];
-                $tkt['TKT_end_date'] = $first_dtt->start_date_and_time($this->_date_time_format);
-            }
-            $TKT_values = array(
-                'TKT_ID'          => ! empty($tkt['TKT_ID']) ? $tkt['TKT_ID'] : null,
-                'TTM_ID'          => ! empty($tkt['TTM_ID']) ? $tkt['TTM_ID'] : 0,
-                'TKT_name'        => ! empty($tkt['TKT_name']) ? $tkt['TKT_name'] : '',
-                'TKT_description' => ! empty($tkt['TKT_description'])
-                                     && $tkt['TKT_description'] !== esc_html__(
-                                         'You can modify this description',
-                                         'event_espresso'
-                                     )
-                    ? $tkt['TKT_description']
-                    : '',
-                'TKT_start_date'  => $tkt['TKT_start_date'],
-                'TKT_end_date'    => $tkt['TKT_end_date'],
-                'TKT_qty'         => ! isset($tkt['TKT_qty']) || $tkt['TKT_qty'] === ''
-                    ? EE_INF
-                    : $tkt['TKT_qty'],
-                'TKT_uses'        => ! isset($tkt['TKT_uses']) || $tkt['TKT_uses'] === ''
-                    ? EE_INF
-                    : $tkt['TKT_uses'],
-                'TKT_min'         => empty($tkt['TKT_min']) ? 0 : $tkt['TKT_min'],
-                'TKT_max'         => empty($tkt['TKT_max']) ? EE_INF : $tkt['TKT_max'],
-                'TKT_row'         => $row,
-                'TKT_order'       => isset($tkt['TKT_order']) ? $tkt['TKT_order'] : 0,
-                'TKT_taxable'     => ! empty($tkt['TKT_taxable']) ? 1 : 0,
-                'TKT_required'    => ! empty($tkt['TKT_required']) ? 1 : 0,
-                'TKT_price'       => $ticket_price,
-            );
-            // if this is a default TKT, then we need to set the TKT_ID to 0 and update accordingly,
-            // which means in turn that the prices will become new prices as well.
-            if (isset($tkt['TKT_is_default']) && $tkt['TKT_is_default']) {
-                $TKT_values['TKT_ID'] = 0;
-                $TKT_values['TKT_is_default'] = 0;
-                $update_prices = true;
-            }
-            // if we have a TKT_ID then we need to get that existing TKT_obj and update it
-            // we actually do our saves ahead of doing any add_relations to
-            // because its entirely possible that this ticket wasn't removed or added to any datetime in the session
-            // but DID have it's items modified.
-            // keep in mind that if the TKT has been sold (and we have changed pricing information),
-            // then we won't be updating the tkt but instead a new tkt will be created and the old one archived.
-            if (absint($TKT_values['TKT_ID'])) {
-                $ticket = EE_Registry::instance()
-                                     ->load_model('Ticket', array($timezone))
-                                     ->get_one_by_ID($tkt['TKT_ID']);
-                if ($ticket instanceof EE_Ticket) {
-                    $ticket = $this->_update_ticket_datetimes(
-                        $ticket,
-                        $saved_datetimes,
-                        $datetimes_added,
-                        $datetimes_removed
-                    );
-                    // are there any registrations using this ticket ?
-                    $tickets_sold = $ticket->count_related(
-                        'Registration',
-                        array(
-                            array(
-                                'STS_ID' => array('NOT IN', array(EEM_Registration::status_id_incomplete)),
-                            ),
-                        )
-                    );
-                    // set ticket formats
-                    $ticket->set_date_format($this->_date_format_strings['date']);
-                    $ticket->set_time_format($this->_date_format_strings['time']);
-                    // let's just check the total price for the existing ticket
-                    // and determine if it matches the new total price.
-                    // if they are different then we create a new ticket (if tickets sold)
-                    // if they aren't different then we go ahead and modify existing ticket.
-                    $create_new_TKT = $tickets_sold > 0 && $ticket_price !== $ticket->price() && ! $ticket->deleted();
-                    // set new values
-                    foreach ($TKT_values as $field => $value) {
-                        if ($field === 'TKT_qty') {
-                            $ticket->set_qty($value);
-                        } else {
-                            $ticket->set($field, $value);
-                        }
-                    }
-                    // if $create_new_TKT is false then we can safely update the existing ticket.
-                    // Otherwise we have to create a new ticket.
-                    if ($create_new_TKT) {
-                        $new_tkt = $this->_duplicate_ticket(
-                            $ticket,
-                            $price_rows,
-                            $ticket_price,
-                            $base_price,
-                            $base_price_id
-                        );
-                    }
-                }
-            } else {
-                // no TKT_id so a new TKT
-                $ticket = EE_Ticket::new_instance(
-                    $TKT_values,
-                    $timezone,
-                    array($this->_date_format_strings['date'], $this->_date_format_strings['time'])
-                );
-                if ($ticket instanceof EE_Ticket) {
-                    // make sure ticket has an ID of setting relations won't work
-                    $ticket->save();
-                    $ticket = $this->_update_ticket_datetimes(
-                        $ticket,
-                        $saved_datetimes,
-                        $datetimes_added,
-                        $datetimes_removed
-                    );
-                    $update_prices = true;
-                }
-            }
-            // make sure any current values have been saved.
-            // $ticket->save();
-            // before going any further make sure our dates are setup correctly
-            // so that the end date is always equal or greater than the start date.
-            if ($ticket->get_raw('TKT_start_date') > $ticket->get_raw('TKT_end_date')) {
-                $ticket->set('TKT_end_date', $ticket->get('TKT_start_date'));
-                $ticket = EEH_DTT_Helper::date_time_add($ticket, 'TKT_end_date', 'days');
-            }
-            // let's make sure the base price is handled
-            $ticket = ! $create_new_TKT
-                ? $this->_add_prices_to_ticket(
-                    array(),
-                    $ticket,
-                    $update_prices,
-                    $base_price,
-                    $base_price_id
-                )
-                : $ticket;
-            // add/update price_modifiers
-            $ticket = ! $create_new_TKT
-                ? $this->_add_prices_to_ticket($price_rows, $ticket, $update_prices)
-                : $ticket;
-            // need to make sue that the TKT_price is accurate after saving the prices.
-            $ticket->ensure_TKT_Price_correct();
-            // handle CREATING a default tkt from the incoming tkt but ONLY if this isn't an autosave.
-            if (! defined('DOING_AUTOSAVE') && ! empty($tkt['TKT_is_default_selector'])) {
-                $update_prices = true;
-                $new_default = clone $ticket;
-                $new_default->set('TKT_ID', 0);
-                $new_default->set('TKT_is_default', 1);
-                $new_default->set('TKT_row', 1);
-                $new_default->set('TKT_price', $ticket_price);
-                // remove any dtt relations cause we DON'T want dtt relations attached
-                // (note this is just removing the cached relations in the object)
-                $new_default->_remove_relations('Datetime');
-                // @todo we need to add the current attached prices as new prices to the new default ticket.
-                $new_default = $this->_add_prices_to_ticket(
-                    $price_rows,
-                    $new_default,
-                    $update_prices
-                );
-                // don't forget the base price!
-                $new_default = $this->_add_prices_to_ticket(
-                    array(),
-                    $new_default,
-                    $update_prices,
-                    $base_price,
-                    $base_price_id
-                );
-                $new_default->save();
-                do_action(
-                    'AHEE__espresso_events_Pricing_Hooks___update_tkts_new_default_ticket',
-                    $new_default,
-                    $row,
-                    $ticket,
-                    $data
-                );
-            }
-            // DO ALL dtt relationships for both current tickets and any archived tickets
-            // for the given dtt that are related to the current ticket.
-            // TODO... not sure exactly how we're going to do this considering we don't know
-            // what current ticket the archived tickets are related to
-            // (and TKT_parent is used for autosaves so that's not a field we can reliably use).
-            // let's assign any tickets that have been setup to the saved_tickets tracker
-            // save existing TKT
-            $ticket->save();
-            if ($create_new_TKT && $new_tkt instanceof EE_Ticket) {
-                // save new TKT
-                $new_tkt->save();
-                // add new ticket to array
-                $saved_tickets[ $new_tkt->ID() ] = $new_tkt;
-                do_action(
-                    'AHEE__espresso_events_Pricing_Hooks___update_tkts_new_ticket',
-                    $new_tkt,
-                    $row,
-                    $tkt,
-                    $data
-                );
-            } else {
-                // add tkt to saved tkts
-                $saved_tickets[ $ticket->ID() ] = $ticket;
-                do_action(
-                    'AHEE__espresso_events_Pricing_Hooks___update_tkts_update_ticket',
-                    $ticket,
-                    $row,
-                    $tkt,
-                    $data
-                );
-            }
-        }
-        // now we need to handle tickets actually "deleted permanently".
-        // There are cases where we'd want this to happen
-        // (i.e. autosaves are happening and then in between autosaves the user trashes a ticket).
-        // Or a draft event was saved and in the process of editing a ticket is trashed.
-        // No sense in keeping all the related data in the db!
-        $old_tickets = isset($old_tickets[0]) && $old_tickets[0] === '' ? array() : $old_tickets;
-        $tickets_removed = array_diff($old_tickets, array_keys($saved_tickets));
-        foreach ($tickets_removed as $id) {
-            $id = absint($id);
-            // get the ticket for this id
-            $tkt_to_remove = EE_Registry::instance()->load_model('Ticket')->get_one_by_ID($id);
-            // if this tkt is a default tkt we leave it alone cause it won't be attached to the datetime
-            if ($tkt_to_remove->get('TKT_is_default')) {
-                continue;
-            }
-            // if this tkt has any registrations attached so then we just ARCHIVE
-            // because we don't actually permanently delete these tickets.
-            if ($tkt_to_remove->count_related('Registration') > 0) {
-                $tkt_to_remove->delete();
-                continue;
-            }
-            // need to get all the related datetimes on this ticket and remove from every single one of them
-            // (remember this process can ONLY kick off if there are NO tkts_sold)
-            $datetimes = $tkt_to_remove->get_many_related('Datetime');
-            foreach ($datetimes as $datetime) {
-                $tkt_to_remove->_remove_relation_to($datetime, 'Datetime');
-            }
-            // need to do the same for prices (except these prices can also be deleted because again,
-            // tickets can only be trashed if they don't have any TKTs sold (otherwise they are just archived))
-            $tkt_to_remove->delete_related_permanently('Price');
-            do_action('AHEE__espresso_events_Pricing_Hooks___update_tkts_delete_ticket', $tkt_to_remove);
-            // finally let's delete this ticket
-            // (which should not be blocked at this point b/c we've removed all our relationships)
-            $tkt_to_remove->delete_permanently();
-        }
-        return $saved_tickets;
-    }
+	/**
+	 * update tickets
+	 *
+	 * @param  EE_Event      $event           Event object being updated
+	 * @param  EE_Datetime[] $saved_datetimes an array of datetime ids being updated
+	 * @param  array         $data            incoming request data
+	 * @return EE_Ticket[]
+	 * @throws Exception
+	 * @throws ReflectionException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidArgumentException
+	 * @throws EE_Error
+	 */
+	protected function _update_tickets($event, $saved_datetimes, $data)
+	{
+		$new_tkt = null;
+		$new_default = null;
+		// stripslashes because WP filtered the $_POST ($data) array to add slashes
+		$data = stripslashes_deep($data);
+		$timezone = isset($data['timezone_string']) ? $data['timezone_string'] : null;
+		$saved_tickets = $datetimes_on_existing = array();
+		$old_tickets = isset($data['ticket_IDs']) ? explode(',', $data['ticket_IDs']) : array();
+		if (empty($data['edit_tickets']) || ! is_array($data['edit_tickets'])) {
+			throw new InvalidArgumentException(
+				esc_html__(
+					'The "edit_tickets" array is invalid therefore the event can not be updated.',
+					'event_espresso'
+				)
+			);
+		}
+		foreach ($data['edit_tickets'] as $row => $tkt) {
+			$update_prices = $create_new_TKT = false;
+			// figure out what datetimes were added to the ticket
+			// and what datetimes were removed from the ticket in the session.
+			$starting_tkt_dtt_rows = explode(',', $data['starting_ticket_datetime_rows'][ $row ]);
+			$tkt_dtt_rows = explode(',', $data['ticket_datetime_rows'][ $row ]);
+			$datetimes_added = array_diff($tkt_dtt_rows, $starting_tkt_dtt_rows);
+			$datetimes_removed = array_diff($starting_tkt_dtt_rows, $tkt_dtt_rows);
+			// trim inputs to ensure any excess whitespace is removed.
+			$tkt = array_map(
+				function ($ticket_data) {
+					return is_array($ticket_data) ? $ticket_data : trim($ticket_data);
+				},
+				$tkt
+			);
+			// note we are doing conversions to floats here instead of allowing EE_Money_Field to handle
+			// because we're doing calculations prior to using the models.
+			// note incoming ['TKT_price'] value is already in standard notation (via js).
+			$ticket_price = isset($tkt['TKT_price'])
+				? round((float) $tkt['TKT_price'], 3)
+				: 0;
+			// note incoming base price needs converted from localized value.
+			$base_price = isset($tkt['TKT_base_price'])
+				? EEH_Money::convert_to_float_from_localized_money($tkt['TKT_base_price'])
+				: 0;
+			// if ticket price == 0 and $base_price != 0 then ticket price == base_price
+			$ticket_price = $ticket_price === 0 && $base_price !== 0
+				? $base_price
+				: $ticket_price;
+			$base_price_id = isset($tkt['TKT_base_price_ID'])
+				? $tkt['TKT_base_price_ID']
+				: 0;
+			$price_rows = is_array($data['edit_prices']) && isset($data['edit_prices'][ $row ])
+				? $data['edit_prices'][ $row ]
+				: array();
+			$now = null;
+			if (empty($tkt['TKT_start_date'])) {
+				// lets' use now in the set timezone.
+				$now = new DateTime('now', new DateTimeZone($event->get_timezone()));
+				$tkt['TKT_start_date'] = $now->format($this->_date_time_format);
+			}
+			if (empty($tkt['TKT_end_date'])) {
+				/**
+				 * set the TKT_end_date to the first datetime attached to the ticket.
+				 */
+				$first_dtt = $saved_datetimes[ reset($tkt_dtt_rows) ];
+				$tkt['TKT_end_date'] = $first_dtt->start_date_and_time($this->_date_time_format);
+			}
+			$TKT_values = array(
+				'TKT_ID'          => ! empty($tkt['TKT_ID']) ? $tkt['TKT_ID'] : null,
+				'TTM_ID'          => ! empty($tkt['TTM_ID']) ? $tkt['TTM_ID'] : 0,
+				'TKT_name'        => ! empty($tkt['TKT_name']) ? $tkt['TKT_name'] : '',
+				'TKT_description' => ! empty($tkt['TKT_description'])
+									 && $tkt['TKT_description'] !== esc_html__(
+										 'You can modify this description',
+										 'event_espresso'
+									 )
+					? $tkt['TKT_description']
+					: '',
+				'TKT_start_date'  => $tkt['TKT_start_date'],
+				'TKT_end_date'    => $tkt['TKT_end_date'],
+				'TKT_qty'         => ! isset($tkt['TKT_qty']) || $tkt['TKT_qty'] === ''
+					? EE_INF
+					: $tkt['TKT_qty'],
+				'TKT_uses'        => ! isset($tkt['TKT_uses']) || $tkt['TKT_uses'] === ''
+					? EE_INF
+					: $tkt['TKT_uses'],
+				'TKT_min'         => empty($tkt['TKT_min']) ? 0 : $tkt['TKT_min'],
+				'TKT_max'         => empty($tkt['TKT_max']) ? EE_INF : $tkt['TKT_max'],
+				'TKT_row'         => $row,
+				'TKT_order'       => isset($tkt['TKT_order']) ? $tkt['TKT_order'] : 0,
+				'TKT_taxable'     => ! empty($tkt['TKT_taxable']) ? 1 : 0,
+				'TKT_required'    => ! empty($tkt['TKT_required']) ? 1 : 0,
+				'TKT_price'       => $ticket_price,
+			);
+			// if this is a default TKT, then we need to set the TKT_ID to 0 and update accordingly,
+			// which means in turn that the prices will become new prices as well.
+			if (isset($tkt['TKT_is_default']) && $tkt['TKT_is_default']) {
+				$TKT_values['TKT_ID'] = 0;
+				$TKT_values['TKT_is_default'] = 0;
+				$update_prices = true;
+			}
+			// if we have a TKT_ID then we need to get that existing TKT_obj and update it
+			// we actually do our saves ahead of doing any add_relations to
+			// because its entirely possible that this ticket wasn't removed or added to any datetime in the session
+			// but DID have it's items modified.
+			// keep in mind that if the TKT has been sold (and we have changed pricing information),
+			// then we won't be updating the tkt but instead a new tkt will be created and the old one archived.
+			if (absint($TKT_values['TKT_ID'])) {
+				$ticket = EE_Registry::instance()
+									 ->load_model('Ticket', array($timezone))
+									 ->get_one_by_ID($tkt['TKT_ID']);
+				if ($ticket instanceof EE_Ticket) {
+					$ticket = $this->_update_ticket_datetimes(
+						$ticket,
+						$saved_datetimes,
+						$datetimes_added,
+						$datetimes_removed
+					);
+					// are there any registrations using this ticket ?
+					$tickets_sold = $ticket->count_related(
+						'Registration',
+						array(
+							array(
+								'STS_ID' => array('NOT IN', array(EEM_Registration::status_id_incomplete)),
+							),
+						)
+					);
+					// set ticket formats
+					$ticket->set_date_format($this->_date_format_strings['date']);
+					$ticket->set_time_format($this->_date_format_strings['time']);
+					// let's just check the total price for the existing ticket
+					// and determine if it matches the new total price.
+					// if they are different then we create a new ticket (if tickets sold)
+					// if they aren't different then we go ahead and modify existing ticket.
+					$create_new_TKT = $tickets_sold > 0 && $ticket_price !== $ticket->price() && ! $ticket->deleted();
+					// set new values
+					foreach ($TKT_values as $field => $value) {
+						if ($field === 'TKT_qty') {
+							$ticket->set_qty($value);
+						} else {
+							$ticket->set($field, $value);
+						}
+					}
+					// if $create_new_TKT is false then we can safely update the existing ticket.
+					// Otherwise we have to create a new ticket.
+					if ($create_new_TKT) {
+						$new_tkt = $this->_duplicate_ticket(
+							$ticket,
+							$price_rows,
+							$ticket_price,
+							$base_price,
+							$base_price_id
+						);
+					}
+				}
+			} else {
+				// no TKT_id so a new TKT
+				$ticket = EE_Ticket::new_instance(
+					$TKT_values,
+					$timezone,
+					array($this->_date_format_strings['date'], $this->_date_format_strings['time'])
+				);
+				if ($ticket instanceof EE_Ticket) {
+					// make sure ticket has an ID of setting relations won't work
+					$ticket->save();
+					$ticket = $this->_update_ticket_datetimes(
+						$ticket,
+						$saved_datetimes,
+						$datetimes_added,
+						$datetimes_removed
+					);
+					$update_prices = true;
+				}
+			}
+			// make sure any current values have been saved.
+			// $ticket->save();
+			// before going any further make sure our dates are setup correctly
+			// so that the end date is always equal or greater than the start date.
+			if ($ticket->get_raw('TKT_start_date') > $ticket->get_raw('TKT_end_date')) {
+				$ticket->set('TKT_end_date', $ticket->get('TKT_start_date'));
+				$ticket = EEH_DTT_Helper::date_time_add($ticket, 'TKT_end_date', 'days');
+			}
+			// let's make sure the base price is handled
+			$ticket = ! $create_new_TKT
+				? $this->_add_prices_to_ticket(
+					array(),
+					$ticket,
+					$update_prices,
+					$base_price,
+					$base_price_id
+				)
+				: $ticket;
+			// add/update price_modifiers
+			$ticket = ! $create_new_TKT
+				? $this->_add_prices_to_ticket($price_rows, $ticket, $update_prices)
+				: $ticket;
+			// need to make sue that the TKT_price is accurate after saving the prices.
+			$ticket->ensure_TKT_Price_correct();
+			// handle CREATING a default tkt from the incoming tkt but ONLY if this isn't an autosave.
+			if (! defined('DOING_AUTOSAVE') && ! empty($tkt['TKT_is_default_selector'])) {
+				$update_prices = true;
+				$new_default = clone $ticket;
+				$new_default->set('TKT_ID', 0);
+				$new_default->set('TKT_is_default', 1);
+				$new_default->set('TKT_row', 1);
+				$new_default->set('TKT_price', $ticket_price);
+				// remove any dtt relations cause we DON'T want dtt relations attached
+				// (note this is just removing the cached relations in the object)
+				$new_default->_remove_relations('Datetime');
+				// @todo we need to add the current attached prices as new prices to the new default ticket.
+				$new_default = $this->_add_prices_to_ticket(
+					$price_rows,
+					$new_default,
+					$update_prices
+				);
+				// don't forget the base price!
+				$new_default = $this->_add_prices_to_ticket(
+					array(),
+					$new_default,
+					$update_prices,
+					$base_price,
+					$base_price_id
+				);
+				$new_default->save();
+				do_action(
+					'AHEE__espresso_events_Pricing_Hooks___update_tkts_new_default_ticket',
+					$new_default,
+					$row,
+					$ticket,
+					$data
+				);
+			}
+			// DO ALL dtt relationships for both current tickets and any archived tickets
+			// for the given dtt that are related to the current ticket.
+			// TODO... not sure exactly how we're going to do this considering we don't know
+			// what current ticket the archived tickets are related to
+			// (and TKT_parent is used for autosaves so that's not a field we can reliably use).
+			// let's assign any tickets that have been setup to the saved_tickets tracker
+			// save existing TKT
+			$ticket->save();
+			if ($create_new_TKT && $new_tkt instanceof EE_Ticket) {
+				// save new TKT
+				$new_tkt->save();
+				// add new ticket to array
+				$saved_tickets[ $new_tkt->ID() ] = $new_tkt;
+				do_action(
+					'AHEE__espresso_events_Pricing_Hooks___update_tkts_new_ticket',
+					$new_tkt,
+					$row,
+					$tkt,
+					$data
+				);
+			} else {
+				// add tkt to saved tkts
+				$saved_tickets[ $ticket->ID() ] = $ticket;
+				do_action(
+					'AHEE__espresso_events_Pricing_Hooks___update_tkts_update_ticket',
+					$ticket,
+					$row,
+					$tkt,
+					$data
+				);
+			}
+		}
+		// now we need to handle tickets actually "deleted permanently".
+		// There are cases where we'd want this to happen
+		// (i.e. autosaves are happening and then in between autosaves the user trashes a ticket).
+		// Or a draft event was saved and in the process of editing a ticket is trashed.
+		// No sense in keeping all the related data in the db!
+		$old_tickets = isset($old_tickets[0]) && $old_tickets[0] === '' ? array() : $old_tickets;
+		$tickets_removed = array_diff($old_tickets, array_keys($saved_tickets));
+		foreach ($tickets_removed as $id) {
+			$id = absint($id);
+			// get the ticket for this id
+			$tkt_to_remove = EE_Registry::instance()->load_model('Ticket')->get_one_by_ID($id);
+			// if this tkt is a default tkt we leave it alone cause it won't be attached to the datetime
+			if ($tkt_to_remove->get('TKT_is_default')) {
+				continue;
+			}
+			// if this tkt has any registrations attached so then we just ARCHIVE
+			// because we don't actually permanently delete these tickets.
+			if ($tkt_to_remove->count_related('Registration') > 0) {
+				$tkt_to_remove->delete();
+				continue;
+			}
+			// need to get all the related datetimes on this ticket and remove from every single one of them
+			// (remember this process can ONLY kick off if there are NO tkts_sold)
+			$datetimes = $tkt_to_remove->get_many_related('Datetime');
+			foreach ($datetimes as $datetime) {
+				$tkt_to_remove->_remove_relation_to($datetime, 'Datetime');
+			}
+			// need to do the same for prices (except these prices can also be deleted because again,
+			// tickets can only be trashed if they don't have any TKTs sold (otherwise they are just archived))
+			$tkt_to_remove->delete_related_permanently('Price');
+			do_action('AHEE__espresso_events_Pricing_Hooks___update_tkts_delete_ticket', $tkt_to_remove);
+			// finally let's delete this ticket
+			// (which should not be blocked at this point b/c we've removed all our relationships)
+			$tkt_to_remove->delete_permanently();
+		}
+		return $saved_tickets;
+	}
 
 
-    /**
-     * @access  protected
-     * @param EE_Ticket      $ticket
-     * @param \EE_Datetime[] $saved_datetimes
-     * @param \EE_Datetime[] $added_datetimes
-     * @param \EE_Datetime[] $removed_datetimes
-     * @return EE_Ticket
-     * @throws EE_Error
-     */
-    protected function _update_ticket_datetimes(
-        EE_Ticket $ticket,
-        $saved_datetimes = array(),
-        $added_datetimes = array(),
-        $removed_datetimes = array()
-    ) {
-        // to start we have to add the ticket to all the datetimes its supposed to be with,
-        // and removing the ticket from datetimes it got removed from.
-        // first let's add datetimes
-        if (! empty($added_datetimes) && is_array($added_datetimes)) {
-            foreach ($added_datetimes as $row_id) {
-                $row_id = (int) $row_id;
-                if (isset($saved_datetimes[ $row_id ]) && $saved_datetimes[ $row_id ] instanceof EE_Datetime) {
-                    $ticket->_add_relation_to($saved_datetimes[ $row_id ], 'Datetime');
-                }
-            }
-        }
-        // then remove datetimes
-        if (! empty($removed_datetimes) && is_array($removed_datetimes)) {
-            foreach ($removed_datetimes as $row_id) {
-                $row_id = (int) $row_id;
-                // its entirely possible that a datetime got deleted (instead of just removed from relationship.
-                // So make sure we skip over this if the dtt isn't in the $saved_datetimes array)
-                if (isset($saved_datetimes[ $row_id ]) && $saved_datetimes[ $row_id ] instanceof EE_Datetime) {
-                    $ticket->_remove_relation_to($saved_datetimes[ $row_id ], 'Datetime');
-                }
-            }
-        }
-        // cap ticket qty by datetime reg limits
-        $ticket->set_qty(min($ticket->qty(), $ticket->qty('reg_limit')));
-        return $ticket;
-    }
+	/**
+	 * @access  protected
+	 * @param EE_Ticket      $ticket
+	 * @param \EE_Datetime[] $saved_datetimes
+	 * @param \EE_Datetime[] $added_datetimes
+	 * @param \EE_Datetime[] $removed_datetimes
+	 * @return EE_Ticket
+	 * @throws EE_Error
+	 */
+	protected function _update_ticket_datetimes(
+		EE_Ticket $ticket,
+		$saved_datetimes = array(),
+		$added_datetimes = array(),
+		$removed_datetimes = array()
+	) {
+		// to start we have to add the ticket to all the datetimes its supposed to be with,
+		// and removing the ticket from datetimes it got removed from.
+		// first let's add datetimes
+		if (! empty($added_datetimes) && is_array($added_datetimes)) {
+			foreach ($added_datetimes as $row_id) {
+				$row_id = (int) $row_id;
+				if (isset($saved_datetimes[ $row_id ]) && $saved_datetimes[ $row_id ] instanceof EE_Datetime) {
+					$ticket->_add_relation_to($saved_datetimes[ $row_id ], 'Datetime');
+				}
+			}
+		}
+		// then remove datetimes
+		if (! empty($removed_datetimes) && is_array($removed_datetimes)) {
+			foreach ($removed_datetimes as $row_id) {
+				$row_id = (int) $row_id;
+				// its entirely possible that a datetime got deleted (instead of just removed from relationship.
+				// So make sure we skip over this if the dtt isn't in the $saved_datetimes array)
+				if (isset($saved_datetimes[ $row_id ]) && $saved_datetimes[ $row_id ] instanceof EE_Datetime) {
+					$ticket->_remove_relation_to($saved_datetimes[ $row_id ], 'Datetime');
+				}
+			}
+		}
+		// cap ticket qty by datetime reg limits
+		$ticket->set_qty(min($ticket->qty(), $ticket->qty('reg_limit')));
+		return $ticket;
+	}
 
 
-    /**
-     * @access  protected
-     * @param EE_Ticket $ticket
-     * @param array     $price_rows
-     * @param int       $ticket_price
-     * @param int       $base_price
-     * @param int       $base_price_id
-     * @return EE_Ticket
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     */
-    protected function _duplicate_ticket(
-        EE_Ticket $ticket,
-        $price_rows = array(),
-        $ticket_price = 0,
-        $base_price = 0,
-        $base_price_id = 0
-    ) {
-        // create new ticket that's a copy of the existing
-        // except a new id of course (and not archived)
-        // AND has the new TKT_price associated with it.
-        $new_ticket = clone $ticket;
-        $new_ticket->set('TKT_ID', 0);
-        $new_ticket->set_deleted(0);
-        $new_ticket->set_price($ticket_price);
-        $new_ticket->set_sold(0);
-        // let's get a new ID for this ticket
-        $new_ticket->save();
-        // we also need to make sure this new ticket gets the same datetime attachments as the archived ticket
-        $datetimes_on_existing = $ticket->datetimes();
-        $new_ticket = $this->_update_ticket_datetimes(
-            $new_ticket,
-            $datetimes_on_existing,
-            array_keys($datetimes_on_existing)
-        );
-        // $ticket will get archived later b/c we are NOT adding it to the saved_tickets array.
-        // if existing $ticket has sold amount, then we need to adjust the qty for the new TKT to = the remaining
-        // available.
-        if ($ticket->sold() > 0) {
-            $new_qty = $ticket->qty() - $ticket->sold();
-            $new_ticket->set_qty($new_qty);
-        }
-        // now we update the prices just for this ticket
-        $new_ticket = $this->_add_prices_to_ticket($price_rows, $new_ticket, true);
-        // and we update the base price
-        $new_ticket = $this->_add_prices_to_ticket(
-            array(),
-            $new_ticket,
-            true,
-            $base_price,
-            $base_price_id
-        );
-        return $new_ticket;
-    }
+	/**
+	 * @access  protected
+	 * @param EE_Ticket $ticket
+	 * @param array     $price_rows
+	 * @param int       $ticket_price
+	 * @param int       $base_price
+	 * @param int       $base_price_id
+	 * @return EE_Ticket
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 */
+	protected function _duplicate_ticket(
+		EE_Ticket $ticket,
+		$price_rows = array(),
+		$ticket_price = 0,
+		$base_price = 0,
+		$base_price_id = 0
+	) {
+		// create new ticket that's a copy of the existing
+		// except a new id of course (and not archived)
+		// AND has the new TKT_price associated with it.
+		$new_ticket = clone $ticket;
+		$new_ticket->set('TKT_ID', 0);
+		$new_ticket->set_deleted(0);
+		$new_ticket->set_price($ticket_price);
+		$new_ticket->set_sold(0);
+		// let's get a new ID for this ticket
+		$new_ticket->save();
+		// we also need to make sure this new ticket gets the same datetime attachments as the archived ticket
+		$datetimes_on_existing = $ticket->datetimes();
+		$new_ticket = $this->_update_ticket_datetimes(
+			$new_ticket,
+			$datetimes_on_existing,
+			array_keys($datetimes_on_existing)
+		);
+		// $ticket will get archived later b/c we are NOT adding it to the saved_tickets array.
+		// if existing $ticket has sold amount, then we need to adjust the qty for the new TKT to = the remaining
+		// available.
+		if ($ticket->sold() > 0) {
+			$new_qty = $ticket->qty() - $ticket->sold();
+			$new_ticket->set_qty($new_qty);
+		}
+		// now we update the prices just for this ticket
+		$new_ticket = $this->_add_prices_to_ticket($price_rows, $new_ticket, true);
+		// and we update the base price
+		$new_ticket = $this->_add_prices_to_ticket(
+			array(),
+			$new_ticket,
+			true,
+			$base_price,
+			$base_price_id
+		);
+		return $new_ticket;
+	}
 
 
-    /**
-     * This attaches a list of given prices to a ticket.
-     * Note we dont' have to worry about ever removing relationships (or archiving prices) because if there is a change
-     * in price information on a ticket, a new ticket is created anyways so the archived ticket will retain the old
-     * price info and prices are automatically "archived" via the ticket.
-     *
-     * @access  private
-     * @param array     $prices        Array of prices from the form.
-     * @param EE_Ticket $ticket        EE_Ticket object that prices are being attached to.
-     * @param bool      $new_prices    Whether attach existing incoming prices or create new ones.
-     * @param int|bool  $base_price    if FALSE then NOT doing a base price add.
-     * @param int|bool  $base_price_id if present then this is the base_price_id being updated.
-     * @return EE_Ticket
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     */
-    protected function _add_prices_to_ticket(
-        $prices = array(),
-        EE_Ticket $ticket,
-        $new_prices = false,
-        $base_price = false,
-        $base_price_id = false
-    ) {
-        // let's just get any current prices that may exist on the given ticket
-        // so we can remove any prices that got trashed in this session.
-        $current_prices_on_ticket = $base_price !== false
-            ? $ticket->base_price(true)
-            : $ticket->price_modifiers();
-        $updated_prices = array();
-        // if $base_price ! FALSE then updating a base price.
-        if ($base_price !== false) {
-            $prices[1] = array(
-                'PRC_ID'     => $new_prices || $base_price_id === 1 ? null : $base_price_id,
-                'PRT_ID'     => 1,
-                'PRC_amount' => $base_price,
-                'PRC_name'   => $ticket->get('TKT_name'),
-                'PRC_desc'   => $ticket->get('TKT_description'),
-            );
-        }
-        // possibly need to save tkt
-        if (! $ticket->ID()) {
-            $ticket->save();
-        }
-        foreach ($prices as $row => $prc) {
-            $prt_id = ! empty($prc['PRT_ID']) ? $prc['PRT_ID'] : null;
-            if (empty($prt_id)) {
-                continue;
-            } //prices MUST have a price type id.
-            $PRC_values = array(
-                'PRC_ID'         => ! empty($prc['PRC_ID']) ? $prc['PRC_ID'] : null,
-                'PRT_ID'         => $prt_id,
-                'PRC_amount'     => ! empty($prc['PRC_amount']) ? $prc['PRC_amount'] : 0,
-                'PRC_name'       => ! empty($prc['PRC_name']) ? $prc['PRC_name'] : '',
-                'PRC_desc'       => ! empty($prc['PRC_desc']) ? $prc['PRC_desc'] : '',
-                'PRC_is_default' => false,
-                // make sure we set PRC_is_default to false for all ticket saves from event_editor
-                'PRC_order'      => $row,
-            );
-            if ($new_prices || empty($PRC_values['PRC_ID'])) {
-                $PRC_values['PRC_ID'] = 0;
-                $price = EE_Registry::instance()->load_class(
-                    'Price',
-                    array($PRC_values),
-                    false,
-                    false
-                );
-            } else {
-                $price = EE_Registry::instance()->load_model('Price')->get_one_by_ID($prc['PRC_ID']);
-                // update this price with new values
-                foreach ($PRC_values as $field => $value) {
-                    $price->set($field, $value);
-                }
-            }
-            $price->save();
-            $updated_prices[ $price->ID() ] = $price;
-            $ticket->_add_relation_to($price, 'Price');
-        }
-        // now let's remove any prices that got removed from the ticket
-        if (! empty($current_prices_on_ticket)) {
-            $current = array_keys($current_prices_on_ticket);
-            $updated = array_keys($updated_prices);
-            $prices_to_remove = array_diff($current, $updated);
-            if (! empty($prices_to_remove)) {
-                foreach ($prices_to_remove as $prc_id) {
-                    $p = $current_prices_on_ticket[ $prc_id ];
-                    $ticket->_remove_relation_to($p, 'Price');
-                    // delete permanently the price
-                    $p->delete_permanently();
-                }
-            }
-        }
-        return $ticket;
-    }
+	/**
+	 * This attaches a list of given prices to a ticket.
+	 * Note we dont' have to worry about ever removing relationships (or archiving prices) because if there is a change
+	 * in price information on a ticket, a new ticket is created anyways so the archived ticket will retain the old
+	 * price info and prices are automatically "archived" via the ticket.
+	 *
+	 * @access  private
+	 * @param array     $prices        Array of prices from the form.
+	 * @param EE_Ticket $ticket        EE_Ticket object that prices are being attached to.
+	 * @param bool      $new_prices    Whether attach existing incoming prices or create new ones.
+	 * @param int|bool  $base_price    if FALSE then NOT doing a base price add.
+	 * @param int|bool  $base_price_id if present then this is the base_price_id being updated.
+	 * @return EE_Ticket
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 */
+	protected function _add_prices_to_ticket(
+		$prices = array(),
+		EE_Ticket $ticket,
+		$new_prices = false,
+		$base_price = false,
+		$base_price_id = false
+	) {
+		// let's just get any current prices that may exist on the given ticket
+		// so we can remove any prices that got trashed in this session.
+		$current_prices_on_ticket = $base_price !== false
+			? $ticket->base_price(true)
+			: $ticket->price_modifiers();
+		$updated_prices = array();
+		// if $base_price ! FALSE then updating a base price.
+		if ($base_price !== false) {
+			$prices[1] = array(
+				'PRC_ID'     => $new_prices || $base_price_id === 1 ? null : $base_price_id,
+				'PRT_ID'     => 1,
+				'PRC_amount' => $base_price,
+				'PRC_name'   => $ticket->get('TKT_name'),
+				'PRC_desc'   => $ticket->get('TKT_description'),
+			);
+		}
+		// possibly need to save tkt
+		if (! $ticket->ID()) {
+			$ticket->save();
+		}
+		foreach ($prices as $row => $prc) {
+			$prt_id = ! empty($prc['PRT_ID']) ? $prc['PRT_ID'] : null;
+			if (empty($prt_id)) {
+				continue;
+			} //prices MUST have a price type id.
+			$PRC_values = array(
+				'PRC_ID'         => ! empty($prc['PRC_ID']) ? $prc['PRC_ID'] : null,
+				'PRT_ID'         => $prt_id,
+				'PRC_amount'     => ! empty($prc['PRC_amount']) ? $prc['PRC_amount'] : 0,
+				'PRC_name'       => ! empty($prc['PRC_name']) ? $prc['PRC_name'] : '',
+				'PRC_desc'       => ! empty($prc['PRC_desc']) ? $prc['PRC_desc'] : '',
+				'PRC_is_default' => false,
+				// make sure we set PRC_is_default to false for all ticket saves from event_editor
+				'PRC_order'      => $row,
+			);
+			if ($new_prices || empty($PRC_values['PRC_ID'])) {
+				$PRC_values['PRC_ID'] = 0;
+				$price = EE_Registry::instance()->load_class(
+					'Price',
+					array($PRC_values),
+					false,
+					false
+				);
+			} else {
+				$price = EE_Registry::instance()->load_model('Price')->get_one_by_ID($prc['PRC_ID']);
+				// update this price with new values
+				foreach ($PRC_values as $field => $value) {
+					$price->set($field, $value);
+				}
+			}
+			$price->save();
+			$updated_prices[ $price->ID() ] = $price;
+			$ticket->_add_relation_to($price, 'Price');
+		}
+		// now let's remove any prices that got removed from the ticket
+		if (! empty($current_prices_on_ticket)) {
+			$current = array_keys($current_prices_on_ticket);
+			$updated = array_keys($updated_prices);
+			$prices_to_remove = array_diff($current, $updated);
+			if (! empty($prices_to_remove)) {
+				foreach ($prices_to_remove as $prc_id) {
+					$p = $current_prices_on_ticket[ $prc_id ];
+					$ticket->_remove_relation_to($p, 'Price');
+					// delete permanently the price
+					$p->delete_permanently();
+				}
+			}
+		}
+		return $ticket;
+	}
 
 
-    /**
-     * @param Events_Admin_Page $event_admin_obj
-     * @return Events_Admin_Page
-     */
-    public function autosave_handling(Events_Admin_Page $event_admin_obj)
-    {
-        return $event_admin_obj;
-        // doing nothing for the moment.
-        // todo when I get to this remember that I need to set the template args on the $event_admin_obj
-        // (use the set_template_args() method)
-        /**
-         * need to remember to handle TICKET DEFAULT saves correctly:  I've got two input fields in the dom:
-         * 1. TKT_is_default_selector (visible)
-         * 2. TKT_is_default (hidden)
-         * I think we'll use the TKT_is_default for recording whether the ticket displayed IS a default ticket
-         * (on new event creations). Whereas the TKT_is_default_selector is for the user to indicate they want
-         * this ticket to be saved as a default.
-         * The tricky part is, on an initial display on create or edit (or after manually updating),
-         * the TKT_is_default_selector will always be unselected and the TKT_is_default will only be true
-         * if this is a create.  However, after an autosave, users will want some sort of indicator that
-         * the TKT HAS been saved as a default..
-         * in other words we don't want to remove the check on TKT_is_default_selector. So here's what I'm thinking.
-         * On Autosave:
-         * 1. If TKT_is_default is true: we create a new TKT, send back the new id and add id to related elements,
-         * then set the TKT_is_default to false.
-         * 2. If TKT_is_default_selector is true: we create/edit existing ticket (following conditions above as well).
-         *  We do NOT create a new default ticket.  The checkbox stays selected after autosave.
-         * 3. only on MANUAL update do we check for the selection and if selected create the new default ticket.
-         */
-    }
+	/**
+	 * @param Events_Admin_Page $event_admin_obj
+	 * @return Events_Admin_Page
+	 */
+	public function autosave_handling(Events_Admin_Page $event_admin_obj)
+	{
+		return $event_admin_obj;
+		// doing nothing for the moment.
+		// todo when I get to this remember that I need to set the template args on the $event_admin_obj
+		// (use the set_template_args() method)
+		/**
+		 * need to remember to handle TICKET DEFAULT saves correctly:  I've got two input fields in the dom:
+		 * 1. TKT_is_default_selector (visible)
+		 * 2. TKT_is_default (hidden)
+		 * I think we'll use the TKT_is_default for recording whether the ticket displayed IS a default ticket
+		 * (on new event creations). Whereas the TKT_is_default_selector is for the user to indicate they want
+		 * this ticket to be saved as a default.
+		 * The tricky part is, on an initial display on create or edit (or after manually updating),
+		 * the TKT_is_default_selector will always be unselected and the TKT_is_default will only be true
+		 * if this is a create.  However, after an autosave, users will want some sort of indicator that
+		 * the TKT HAS been saved as a default..
+		 * in other words we don't want to remove the check on TKT_is_default_selector. So here's what I'm thinking.
+		 * On Autosave:
+		 * 1. If TKT_is_default is true: we create a new TKT, send back the new id and add id to related elements,
+		 * then set the TKT_is_default to false.
+		 * 2. If TKT_is_default_selector is true: we create/edit existing ticket (following conditions above as well).
+		 *  We do NOT create a new default ticket.  The checkbox stays selected after autosave.
+		 * 3. only on MANUAL update do we check for the selection and if selected create the new default ticket.
+		 */
+	}
 
 
-    /**
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws DomainException
-     * @throws EE_Error
-     */
-    public function pricing_metabox()
-    {
-        $existing_datetime_ids = $existing_ticket_ids = $datetime_tickets = $ticket_datetimes = array();
-        $event = $this->_adminpage_obj->get_cpt_model_obj();
-        // set is_creating_event property.
-        $EVT_ID = $event->ID();
-        $this->_is_creating_event = empty($this->_req_data['post']);
-        // default main template args
-        $main_template_args = array(
-            'event_datetime_help_link' => EEH_Template::get_help_tab_link(
-                'event_editor_event_datetimes_help_tab',
-                $this->_adminpage_obj->page_slug,
-                $this->_adminpage_obj->get_req_action(),
-                false,
-                false
-            ),
-            // todo need to add a filter to the template for the help text
-            // in the Events_Admin_Page core file so we can add further help
-            'existing_datetime_ids'    => '',
-            'total_dtt_rows'           => 1,
-            'add_new_dtt_help_link'    => EEH_Template::get_help_tab_link(
-                'add_new_dtt_info',
-                $this->_adminpage_obj->page_slug,
-                $this->_adminpage_obj->get_req_action(),
-                false,
-                false
-            ),
-            // todo need to add this help info id to the Events_Admin_Page core file so we can access it here.
-            'datetime_rows'            => '',
-            'show_tickets_container'   => '',
-            // $this->_adminpage_obj->get_cpt_model_obj()->ID() > 1 ? ' style="display:none;"' : '',
-            'ticket_rows'              => '',
-            'existing_ticket_ids'      => '',
-            'total_ticket_rows'        => 1,
-            'ticket_js_structure'      => '',
-            'ee_collapsible_status'    => ' ee-collapsible-open'
-            // $this->_adminpage_obj->get_cpt_model_obj()->ID() > 0 ? ' ee-collapsible-closed' : ' ee-collapsible-open'
-        );
-        $timezone = $event instanceof EE_Event ? $event->timezone_string() : null;
-        do_action('AHEE_log', __FILE__, __FUNCTION__, '');
-        /**
-         * 1. Start with retrieving Datetimes
-         * 2. For each datetime get related tickets
-         * 3. For each ticket get related prices
-         */
-        /** @var EEM_Datetime $datetime_model */
-        $datetime_model = EE_Registry::instance()->load_model('Datetime', array($timezone));
-        $datetimes = $datetime_model->get_all_event_dates($EVT_ID);
-        $main_template_args['total_dtt_rows'] = count($datetimes);
-        /**
-         * @see https://events.codebasehq.com/projects/event-espresso/tickets/9486
-         * for why we are counting $datetime_row and then setting that on the Datetime object
-         */
-        $datetime_row = 1;
-        foreach ($datetimes as $datetime) {
-            $DTT_ID = $datetime->get('DTT_ID');
-            $datetime->set('DTT_order', $datetime_row);
-            $existing_datetime_ids[] = $DTT_ID;
-            // tickets attached
-            $related_tickets = $datetime->ID() > 0
-                ? $datetime->get_many_related(
-                    'Ticket',
-                    array(
-                        array(
-                            'OR' => array('TKT_deleted' => 1, 'TKT_deleted*' => 0),
-                        ),
-                        'default_where_conditions' => 'none',
-                        'order_by'                 => array('TKT_order' => 'ASC'),
-                    )
-                )
-                : array();
-            // if there are no related tickets this is likely a new event OR autodraft
-            // event so we need to generate the default tickets because datetimes
-            // ALWAYS have at least one related ticket!!.  EXCEPT, we dont' do this if there is already more than one
-            // datetime on the event.
-            if (empty($related_tickets) && count($datetimes) < 2) {
-                /** @var EEM_Ticket $ticket_model */
-                $ticket_model = EE_Registry::instance()->load_model('Ticket');
-                $related_tickets = $ticket_model->get_all_default_tickets();
-                // this should be ordered by TKT_ID, so let's grab the first default ticket
-                // (which will be the main default) and ensure it has any default prices added to it (but do NOT save).
-                $default_prices = EEM_Price::instance()->get_all_default_prices();
-                $main_default_ticket = reset($related_tickets);
-                if ($main_default_ticket instanceof EE_Ticket) {
-                    foreach ($default_prices as $default_price) {
-                        if ($default_price instanceof EE_Price && $default_price->is_base_price()) {
-                            continue;
-                        }
-                        $main_default_ticket->cache('Price', $default_price);
-                    }
-                }
-            }
-            // we can't actually setup rows in this loop yet cause we don't know all
-            // the unique tickets for this event yet (tickets are linked through all datetimes).
-            // So we're going to temporarily cache some of that information.
-            // loop through and setup the ticket rows and make sure the order is set.
-            foreach ($related_tickets as $ticket) {
-                $TKT_ID = $ticket->get('TKT_ID');
-                $ticket_row = $ticket->get('TKT_row');
-                // we only want unique tickets in our final display!!
-                if (! in_array($TKT_ID, $existing_ticket_ids, true)) {
-                    $existing_ticket_ids[] = $TKT_ID;
-                    $all_tickets[] = $ticket;
-                }
-                // temporary cache of this ticket info for this datetime for later processing of datetime rows.
-                $datetime_tickets[ $DTT_ID ][] = $ticket_row;
-                // temporary cache of this datetime info for this ticket for later processing of ticket rows.
-                if (
-                    ! isset($ticket_datetimes[ $TKT_ID ])
-                    || ! in_array($datetime_row, $ticket_datetimes[ $TKT_ID ], true)
-                ) {
-                    $ticket_datetimes[ $TKT_ID ][] = $datetime_row;
-                }
-            }
-            $datetime_row++;
-        }
-        $main_template_args['total_ticket_rows'] = count($existing_ticket_ids);
-        $main_template_args['existing_ticket_ids'] = implode(',', $existing_ticket_ids);
-        $main_template_args['existing_datetime_ids'] = implode(',', $existing_datetime_ids);
-        // sort $all_tickets by order
-        usort(
-            $all_tickets,
-            function (EE_Ticket $a, EE_Ticket $b) {
-                $a_order = (int) $a->get('TKT_order');
-                $b_order = (int) $b->get('TKT_order');
-                if ($a_order === $b_order) {
-                    return 0;
-                }
-                return ($a_order < $b_order) ? -1 : 1;
-            }
-        );
-        // k NOW we have all the data we need for setting up the dtt rows
-        // and ticket rows so we start our dtt loop again.
-        $datetime_row = 1;
-        foreach ($datetimes as $datetime) {
-            $main_template_args['datetime_rows'] .= $this->_get_datetime_row(
-                $datetime_row,
-                $datetime,
-                $datetime_tickets,
-                $all_tickets,
-                false,
-                $datetimes
-            );
-            $datetime_row++;
-        }
-        // then loop through all tickets for the ticket rows.
-        $ticket_row = 1;
-        foreach ($all_tickets as $ticket) {
-            $main_template_args['ticket_rows'] .= $this->_get_ticket_row(
-                $ticket_row,
-                $ticket,
-                $ticket_datetimes,
-                $datetimes,
-                false,
-                $all_tickets
-            );
-            $ticket_row++;
-        }
-        $main_template_args['ticket_js_structure'] = $this->_get_ticket_js_structure($datetimes, $all_tickets);
+	/**
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws DomainException
+	 * @throws EE_Error
+	 */
+	public function pricing_metabox()
+	{
+		$existing_datetime_ids = $existing_ticket_ids = $datetime_tickets = $ticket_datetimes = array();
+		$event = $this->_adminpage_obj->get_cpt_model_obj();
+		// set is_creating_event property.
+		$EVT_ID = $event->ID();
+		$this->_is_creating_event = empty($this->_req_data['post']);
+		// default main template args
+		$main_template_args = array(
+			'event_datetime_help_link' => EEH_Template::get_help_tab_link(
+				'event_editor_event_datetimes_help_tab',
+				$this->_adminpage_obj->page_slug,
+				$this->_adminpage_obj->get_req_action(),
+				false,
+				false
+			),
+			// todo need to add a filter to the template for the help text
+			// in the Events_Admin_Page core file so we can add further help
+			'existing_datetime_ids'    => '',
+			'total_dtt_rows'           => 1,
+			'add_new_dtt_help_link'    => EEH_Template::get_help_tab_link(
+				'add_new_dtt_info',
+				$this->_adminpage_obj->page_slug,
+				$this->_adminpage_obj->get_req_action(),
+				false,
+				false
+			),
+			// todo need to add this help info id to the Events_Admin_Page core file so we can access it here.
+			'datetime_rows'            => '',
+			'show_tickets_container'   => '',
+			// $this->_adminpage_obj->get_cpt_model_obj()->ID() > 1 ? ' style="display:none;"' : '',
+			'ticket_rows'              => '',
+			'existing_ticket_ids'      => '',
+			'total_ticket_rows'        => 1,
+			'ticket_js_structure'      => '',
+			'ee_collapsible_status'    => ' ee-collapsible-open'
+			// $this->_adminpage_obj->get_cpt_model_obj()->ID() > 0 ? ' ee-collapsible-closed' : ' ee-collapsible-open'
+		);
+		$timezone = $event instanceof EE_Event ? $event->timezone_string() : null;
+		do_action('AHEE_log', __FILE__, __FUNCTION__, '');
+		/**
+		 * 1. Start with retrieving Datetimes
+		 * 2. For each datetime get related tickets
+		 * 3. For each ticket get related prices
+		 */
+		/** @var EEM_Datetime $datetime_model */
+		$datetime_model = EE_Registry::instance()->load_model('Datetime', array($timezone));
+		$datetimes = $datetime_model->get_all_event_dates($EVT_ID);
+		$main_template_args['total_dtt_rows'] = count($datetimes);
+		/**
+		 * @see https://events.codebasehq.com/projects/event-espresso/tickets/9486
+		 * for why we are counting $datetime_row and then setting that on the Datetime object
+		 */
+		$datetime_row = 1;
+		foreach ($datetimes as $datetime) {
+			$DTT_ID = $datetime->get('DTT_ID');
+			$datetime->set('DTT_order', $datetime_row);
+			$existing_datetime_ids[] = $DTT_ID;
+			// tickets attached
+			$related_tickets = $datetime->ID() > 0
+				? $datetime->get_many_related(
+					'Ticket',
+					array(
+						array(
+							'OR' => array('TKT_deleted' => 1, 'TKT_deleted*' => 0),
+						),
+						'default_where_conditions' => 'none',
+						'order_by'                 => array('TKT_order' => 'ASC'),
+					)
+				)
+				: array();
+			// if there are no related tickets this is likely a new event OR autodraft
+			// event so we need to generate the default tickets because datetimes
+			// ALWAYS have at least one related ticket!!.  EXCEPT, we dont' do this if there is already more than one
+			// datetime on the event.
+			if (empty($related_tickets) && count($datetimes) < 2) {
+				/** @var EEM_Ticket $ticket_model */
+				$ticket_model = EE_Registry::instance()->load_model('Ticket');
+				$related_tickets = $ticket_model->get_all_default_tickets();
+				// this should be ordered by TKT_ID, so let's grab the first default ticket
+				// (which will be the main default) and ensure it has any default prices added to it (but do NOT save).
+				$default_prices = EEM_Price::instance()->get_all_default_prices();
+				$main_default_ticket = reset($related_tickets);
+				if ($main_default_ticket instanceof EE_Ticket) {
+					foreach ($default_prices as $default_price) {
+						if ($default_price instanceof EE_Price && $default_price->is_base_price()) {
+							continue;
+						}
+						$main_default_ticket->cache('Price', $default_price);
+					}
+				}
+			}
+			// we can't actually setup rows in this loop yet cause we don't know all
+			// the unique tickets for this event yet (tickets are linked through all datetimes).
+			// So we're going to temporarily cache some of that information.
+			// loop through and setup the ticket rows and make sure the order is set.
+			foreach ($related_tickets as $ticket) {
+				$TKT_ID = $ticket->get('TKT_ID');
+				$ticket_row = $ticket->get('TKT_row');
+				// we only want unique tickets in our final display!!
+				if (! in_array($TKT_ID, $existing_ticket_ids, true)) {
+					$existing_ticket_ids[] = $TKT_ID;
+					$all_tickets[] = $ticket;
+				}
+				// temporary cache of this ticket info for this datetime for later processing of datetime rows.
+				$datetime_tickets[ $DTT_ID ][] = $ticket_row;
+				// temporary cache of this datetime info for this ticket for later processing of ticket rows.
+				if (
+					! isset($ticket_datetimes[ $TKT_ID ])
+					|| ! in_array($datetime_row, $ticket_datetimes[ $TKT_ID ], true)
+				) {
+					$ticket_datetimes[ $TKT_ID ][] = $datetime_row;
+				}
+			}
+			$datetime_row++;
+		}
+		$main_template_args['total_ticket_rows'] = count($existing_ticket_ids);
+		$main_template_args['existing_ticket_ids'] = implode(',', $existing_ticket_ids);
+		$main_template_args['existing_datetime_ids'] = implode(',', $existing_datetime_ids);
+		// sort $all_tickets by order
+		usort(
+			$all_tickets,
+			function (EE_Ticket $a, EE_Ticket $b) {
+				$a_order = (int) $a->get('TKT_order');
+				$b_order = (int) $b->get('TKT_order');
+				if ($a_order === $b_order) {
+					return 0;
+				}
+				return ($a_order < $b_order) ? -1 : 1;
+			}
+		);
+		// k NOW we have all the data we need for setting up the dtt rows
+		// and ticket rows so we start our dtt loop again.
+		$datetime_row = 1;
+		foreach ($datetimes as $datetime) {
+			$main_template_args['datetime_rows'] .= $this->_get_datetime_row(
+				$datetime_row,
+				$datetime,
+				$datetime_tickets,
+				$all_tickets,
+				false,
+				$datetimes
+			);
+			$datetime_row++;
+		}
+		// then loop through all tickets for the ticket rows.
+		$ticket_row = 1;
+		foreach ($all_tickets as $ticket) {
+			$main_template_args['ticket_rows'] .= $this->_get_ticket_row(
+				$ticket_row,
+				$ticket,
+				$ticket_datetimes,
+				$datetimes,
+				false,
+				$all_tickets
+			);
+			$ticket_row++;
+		}
+		$main_template_args['ticket_js_structure'] = $this->_get_ticket_js_structure($datetimes, $all_tickets);
 
-        $status_change_notice = EventEspresso\core\services\loaders\LoaderFactory::getLoader()->getShared(
-            'EventEspresso\core\admin\StatusChangeNotice'
-        );
-        if (! $status_change_notice->isDismissed()) {
-            $main_template_args['status_change_notice'] = EEH_Template::display_template(
-                EE_ADMIN_TEMPLATE . 'status_change_notice.template.php',
-                ['context' => '__event-editor', 'page_slug' => 'espresso-events'],
-                true
-            );
-        }
+		$status_change_notice = EventEspresso\core\services\loaders\LoaderFactory::getLoader()->getShared(
+			'EventEspresso\core\admin\StatusChangeNotice'
+		);
+		if (! $status_change_notice->isDismissed()) {
+			$main_template_args['status_change_notice'] = EEH_Template::display_template(
+				EE_ADMIN_TEMPLATE . 'status_change_notice.template.php',
+				['context' => '__event-editor', 'page_slug' => 'espresso-events'],
+				true
+			);
+		}
 
-        EEH_Template::display_template(
-            PRICING_TEMPLATE_PATH . 'event_tickets_metabox_main.template.php',
-            $main_template_args
-        );
-    }
+		EEH_Template::display_template(
+			PRICING_TEMPLATE_PATH . 'event_tickets_metabox_main.template.php',
+			$main_template_args
+		);
+	}
 
 
-    /**
-     * @param int         $datetime_row
-     * @param EE_Datetime $datetime
-     * @param array       $datetime_tickets
-     * @param array       $all_tickets
-     * @param bool        $default
-     * @param array       $all_datetimes
-     * @return mixed
-     * @throws DomainException
-     * @throws EE_Error
-     */
-    protected function _get_datetime_row(
-        $datetime_row,
-        EE_Datetime $datetime,
-        $datetime_tickets = array(),
-        $all_tickets = array(),
-        $default = false,
-        $all_datetimes = array()
-    ) {
-        $dtt_display_template_args = array(
-            'dtt_edit_row'             => $this->_get_dtt_edit_row(
-                $datetime_row,
-                $datetime,
-                $default,
-                $all_datetimes
-            ),
-            'dtt_attached_tickets_row' => $this->_get_dtt_attached_tickets_row(
-                $datetime_row,
-                $datetime,
-                $datetime_tickets,
-                $all_tickets,
-                $default
-            ),
-            'dtt_row'                  => $default ? 'DTTNUM' : $datetime_row,
-        );
-        return EEH_Template::display_template(
-            PRICING_TEMPLATE_PATH . 'event_tickets_datetime_row_wrapper.template.php',
-            $dtt_display_template_args,
-            true
-        );
-    }
+	/**
+	 * @param int         $datetime_row
+	 * @param EE_Datetime $datetime
+	 * @param array       $datetime_tickets
+	 * @param array       $all_tickets
+	 * @param bool        $default
+	 * @param array       $all_datetimes
+	 * @return mixed
+	 * @throws DomainException
+	 * @throws EE_Error
+	 */
+	protected function _get_datetime_row(
+		$datetime_row,
+		EE_Datetime $datetime,
+		$datetime_tickets = array(),
+		$all_tickets = array(),
+		$default = false,
+		$all_datetimes = array()
+	) {
+		$dtt_display_template_args = array(
+			'dtt_edit_row'             => $this->_get_dtt_edit_row(
+				$datetime_row,
+				$datetime,
+				$default,
+				$all_datetimes
+			),
+			'dtt_attached_tickets_row' => $this->_get_dtt_attached_tickets_row(
+				$datetime_row,
+				$datetime,
+				$datetime_tickets,
+				$all_tickets,
+				$default
+			),
+			'dtt_row'                  => $default ? 'DTTNUM' : $datetime_row,
+		);
+		return EEH_Template::display_template(
+			PRICING_TEMPLATE_PATH . 'event_tickets_datetime_row_wrapper.template.php',
+			$dtt_display_template_args,
+			true
+		);
+	}
 
 
-    /**
-     * This method is used to generate a dtt fields  edit row.
-     * The same row is used to generate a row with valid DTT objects
-     * and the default row that is used as the skeleton by the js.
-     *
-     * @param int           $datetime_row  The row number for the row being generated.
-     * @param EE_Datetime   $datetime
-     * @param bool          $default       Whether a default row is being generated or not.
-     * @param EE_Datetime[] $all_datetimes This is the array of all datetimes used in the editor.
-     * @return string
-     * @throws DomainException
-     * @throws EE_Error
-     */
-    protected function _get_dtt_edit_row($datetime_row, $datetime, $default, $all_datetimes)
-    {
-        // if the incoming $datetime object is NOT an instance of EE_Datetime then force default to true.
-        $default = ! $datetime instanceof EE_Datetime ? true : $default;
-        $template_args = array(
-            'dtt_row'              => $default ? 'DTTNUM' : $datetime_row,
-            'event_datetimes_name' => $default ? 'DTTNAMEATTR' : 'edit_event_datetimes',
-            'edit_dtt_expanded'    => '',
-            'DTT_ID'               => $default ? '' : $datetime->ID(),
-            'DTT_name'             => $default ? '' : $datetime->get_f('DTT_name'),
-            'DTT_description'      => $default ? '' : $datetime->get_f('DTT_description'),
-            'DTT_EVT_start'        => $default ? '' : $datetime->start_date($this->_date_time_format),
-            'DTT_EVT_end'          => $default ? '' : $datetime->end_date($this->_date_time_format),
-            'DTT_reg_limit'        => $default
-                ? ''
-                : $datetime->get_pretty(
-                    'DTT_reg_limit',
-                    'input'
-                ),
-            'DTT_order'            => $default ? 'DTTNUM' : $datetime_row,
-            'dtt_sold'             => $default ? '0' : $datetime->get('DTT_sold'),
-            'dtt_reserved'         => $default ? '0' : $datetime->reserved(),
-            'clone_icon'           => ! empty($datetime) && $datetime->get('DTT_sold') > 0
-                ? ''
-                : 'clone-icon ee-icon ee-icon-clone clickable',
-            'trash_icon'           => ! empty($datetime) && $datetime->get('DTT_sold') > 0
-                ? 'ee-lock-icon'
-                : 'trash-icon dashicons dashicons-post-trash clickable',
-            'reg_list_url'         => $default || ! $datetime->event() instanceof \EE_Event
-                ? ''
-                : EE_Admin_Page::add_query_args_and_nonce(
-                    array('event_id' => $datetime->event()->ID(), 'datetime_id' => $datetime->ID()),
-                    REG_ADMIN_URL
-                ),
-        );
-        $template_args['show_trash'] = count($all_datetimes) === 1 && $template_args['trash_icon'] !== 'ee-lock-icon'
-            ? ' style="display:none"'
-            : '';
-        // allow filtering of template args at this point.
-        $template_args = apply_filters(
-            'FHEE__espresso_events_Pricing_Hooks___get_dtt_edit_row__template_args',
-            $template_args,
-            $datetime_row,
-            $datetime,
-            $default,
-            $all_datetimes,
-            $this->_is_creating_event
-        );
-        return EEH_Template::display_template(
-            PRICING_TEMPLATE_PATH . 'event_tickets_datetime_edit_row.template.php',
-            $template_args,
-            true
-        );
-    }
+	/**
+	 * This method is used to generate a dtt fields  edit row.
+	 * The same row is used to generate a row with valid DTT objects
+	 * and the default row that is used as the skeleton by the js.
+	 *
+	 * @param int           $datetime_row  The row number for the row being generated.
+	 * @param EE_Datetime   $datetime
+	 * @param bool          $default       Whether a default row is being generated or not.
+	 * @param EE_Datetime[] $all_datetimes This is the array of all datetimes used in the editor.
+	 * @return string
+	 * @throws DomainException
+	 * @throws EE_Error
+	 */
+	protected function _get_dtt_edit_row($datetime_row, $datetime, $default, $all_datetimes)
+	{
+		// if the incoming $datetime object is NOT an instance of EE_Datetime then force default to true.
+		$default = ! $datetime instanceof EE_Datetime ? true : $default;
+		$template_args = array(
+			'dtt_row'              => $default ? 'DTTNUM' : $datetime_row,
+			'event_datetimes_name' => $default ? 'DTTNAMEATTR' : 'edit_event_datetimes',
+			'edit_dtt_expanded'    => '',
+			'DTT_ID'               => $default ? '' : $datetime->ID(),
+			'DTT_name'             => $default ? '' : $datetime->get_f('DTT_name'),
+			'DTT_description'      => $default ? '' : $datetime->get_f('DTT_description'),
+			'DTT_EVT_start'        => $default ? '' : $datetime->start_date($this->_date_time_format),
+			'DTT_EVT_end'          => $default ? '' : $datetime->end_date($this->_date_time_format),
+			'DTT_reg_limit'        => $default
+				? ''
+				: $datetime->get_pretty(
+					'DTT_reg_limit',
+					'input'
+				),
+			'DTT_order'            => $default ? 'DTTNUM' : $datetime_row,
+			'dtt_sold'             => $default ? '0' : $datetime->get('DTT_sold'),
+			'dtt_reserved'         => $default ? '0' : $datetime->reserved(),
+			'clone_icon'           => ! empty($datetime) && $datetime->get('DTT_sold') > 0
+				? ''
+				: 'clone-icon ee-icon ee-icon-clone clickable',
+			'trash_icon'           => ! empty($datetime) && $datetime->get('DTT_sold') > 0
+				? 'ee-lock-icon'
+				: 'trash-icon dashicons dashicons-post-trash clickable',
+			'reg_list_url'         => $default || ! $datetime->event() instanceof \EE_Event
+				? ''
+				: EE_Admin_Page::add_query_args_and_nonce(
+					array('event_id' => $datetime->event()->ID(), 'datetime_id' => $datetime->ID()),
+					REG_ADMIN_URL
+				),
+		);
+		$template_args['show_trash'] = count($all_datetimes) === 1 && $template_args['trash_icon'] !== 'ee-lock-icon'
+			? ' style="display:none"'
+			: '';
+		// allow filtering of template args at this point.
+		$template_args = apply_filters(
+			'FHEE__espresso_events_Pricing_Hooks___get_dtt_edit_row__template_args',
+			$template_args,
+			$datetime_row,
+			$datetime,
+			$default,
+			$all_datetimes,
+			$this->_is_creating_event
+		);
+		return EEH_Template::display_template(
+			PRICING_TEMPLATE_PATH . 'event_tickets_datetime_edit_row.template.php',
+			$template_args,
+			true
+		);
+	}
 
 
-    /**
-     * @param int         $datetime_row
-     * @param EE_Datetime $datetime
-     * @param array       $datetime_tickets
-     * @param array       $all_tickets
-     * @param bool        $default
-     * @return mixed
-     * @throws DomainException
-     * @throws EE_Error
-     */
-    protected function _get_dtt_attached_tickets_row(
-        $datetime_row,
-        $datetime,
-        $datetime_tickets = array(),
-        $all_tickets = array(),
-        $default
-    ) {
-        $template_args = array(
-            'dtt_row'                           => $default ? 'DTTNUM' : $datetime_row,
-            'event_datetimes_name'              => $default ? 'DTTNAMEATTR' : 'edit_event_datetimes',
-            'DTT_description'                   => $default ? '' : $datetime->get_f('DTT_description'),
-            'datetime_tickets_list'             => $default ? '<li class="hidden"></li>' : '',
-            'show_tickets_row'                  => ' style="display:none;"',
-            'add_new_datetime_ticket_help_link' => EEH_Template::get_help_tab_link(
-                'add_new_ticket_via_datetime',
-                $this->_adminpage_obj->page_slug,
-                $this->_adminpage_obj->get_req_action(),
-                false,
-                false
-            ),
-            // todo need to add this help info id to the Events_Admin_Page core file so we can access it here.
-            'DTT_ID'                            => $default ? '' : $datetime->ID(),
-        );
-        // need to setup the list items (but only if this isn't a default skeleton setup)
-        if (! $default) {
-            $ticket_row = 1;
-            foreach ($all_tickets as $ticket) {
-                $template_args['datetime_tickets_list'] .= $this->_get_datetime_tickets_list_item(
-                    $datetime_row,
-                    $ticket_row,
-                    $datetime,
-                    $ticket,
-                    $datetime_tickets,
-                    $default
-                );
-                $ticket_row++;
-            }
-        }
-        // filter template args at this point
-        $template_args = apply_filters(
-            'FHEE__espresso_events_Pricing_Hooks___get_dtt_attached_ticket_row__template_args',
-            $template_args,
-            $datetime_row,
-            $datetime,
-            $datetime_tickets,
-            $all_tickets,
-            $default,
-            $this->_is_creating_event
-        );
-        return EEH_Template::display_template(
-            PRICING_TEMPLATE_PATH . 'event_tickets_datetime_attached_tickets_row.template.php',
-            $template_args,
-            true
-        );
-    }
+	/**
+	 * @param int         $datetime_row
+	 * @param EE_Datetime $datetime
+	 * @param array       $datetime_tickets
+	 * @param array       $all_tickets
+	 * @param bool        $default
+	 * @return mixed
+	 * @throws DomainException
+	 * @throws EE_Error
+	 */
+	protected function _get_dtt_attached_tickets_row(
+		$datetime_row,
+		$datetime,
+		$datetime_tickets = array(),
+		$all_tickets = array(),
+		$default
+	) {
+		$template_args = array(
+			'dtt_row'                           => $default ? 'DTTNUM' : $datetime_row,
+			'event_datetimes_name'              => $default ? 'DTTNAMEATTR' : 'edit_event_datetimes',
+			'DTT_description'                   => $default ? '' : $datetime->get_f('DTT_description'),
+			'datetime_tickets_list'             => $default ? '<li class="hidden"></li>' : '',
+			'show_tickets_row'                  => ' style="display:none;"',
+			'add_new_datetime_ticket_help_link' => EEH_Template::get_help_tab_link(
+				'add_new_ticket_via_datetime',
+				$this->_adminpage_obj->page_slug,
+				$this->_adminpage_obj->get_req_action(),
+				false,
+				false
+			),
+			// todo need to add this help info id to the Events_Admin_Page core file so we can access it here.
+			'DTT_ID'                            => $default ? '' : $datetime->ID(),
+		);
+		// need to setup the list items (but only if this isn't a default skeleton setup)
+		if (! $default) {
+			$ticket_row = 1;
+			foreach ($all_tickets as $ticket) {
+				$template_args['datetime_tickets_list'] .= $this->_get_datetime_tickets_list_item(
+					$datetime_row,
+					$ticket_row,
+					$datetime,
+					$ticket,
+					$datetime_tickets,
+					$default
+				);
+				$ticket_row++;
+			}
+		}
+		// filter template args at this point
+		$template_args = apply_filters(
+			'FHEE__espresso_events_Pricing_Hooks___get_dtt_attached_ticket_row__template_args',
+			$template_args,
+			$datetime_row,
+			$datetime,
+			$datetime_tickets,
+			$all_tickets,
+			$default,
+			$this->_is_creating_event
+		);
+		return EEH_Template::display_template(
+			PRICING_TEMPLATE_PATH . 'event_tickets_datetime_attached_tickets_row.template.php',
+			$template_args,
+			true
+		);
+	}
 
 
-    /**
-     * @param int         $datetime_row
-     * @param int         $ticket_row
-     * @param EE_Datetime $datetime
-     * @param EE_Ticket   $ticket
-     * @param array       $datetime_tickets
-     * @param bool        $default
-     * @return mixed
-     * @throws DomainException
-     * @throws EE_Error
-     */
-    protected function _get_datetime_tickets_list_item(
-        $datetime_row,
-        $ticket_row,
-        $datetime,
-        $ticket,
-        $datetime_tickets = array(),
-        $default
-    ) {
-        $dtt_tkts = $datetime instanceof EE_Datetime && isset($datetime_tickets[ $datetime->ID() ])
-            ? $datetime_tickets[ $datetime->ID() ]
-            : array();
-        $display_row = $ticket instanceof EE_Ticket ? $ticket->get('TKT_row') : 0;
-        $no_ticket = $default && empty($ticket);
-        $template_args = array(
-            'dtt_row'                 => $default
-                ? 'DTTNUM'
-                : $datetime_row,
-            'tkt_row'                 => $no_ticket
-                ? 'TICKETNUM'
-                : $ticket_row,
-            'datetime_ticket_checked' => in_array($display_row, $dtt_tkts, true)
-                ? ' checked="checked"'
-                : '',
-            'ticket_selected'         => in_array($display_row, $dtt_tkts, true)
-                ? ' ticket-selected'
-                : '',
-            'TKT_name'                => $no_ticket
-                ? 'TKTNAME'
-                : $ticket->get('TKT_name'),
-            'tkt_status_class'        => $no_ticket || $this->_is_creating_event
-                ? ' tkt-status-' . EE_Ticket::onsale
-                : ' tkt-status-' . $ticket->ticket_status(),
-        );
-        // filter template args
-        $template_args = apply_filters(
-            'FHEE__espresso_events_Pricing_Hooks___get_datetime_tickets_list_item__template_args',
-            $template_args,
-            $datetime_row,
-            $ticket_row,
-            $datetime,
-            $ticket,
-            $datetime_tickets,
-            $default,
-            $this->_is_creating_event
-        );
-        return EEH_Template::display_template(
-            PRICING_TEMPLATE_PATH . 'event_tickets_datetime_dtt_tickets_list.template.php',
-            $template_args,
-            true
-        );
-    }
+	/**
+	 * @param int         $datetime_row
+	 * @param int         $ticket_row
+	 * @param EE_Datetime $datetime
+	 * @param EE_Ticket   $ticket
+	 * @param array       $datetime_tickets
+	 * @param bool        $default
+	 * @return mixed
+	 * @throws DomainException
+	 * @throws EE_Error
+	 */
+	protected function _get_datetime_tickets_list_item(
+		$datetime_row,
+		$ticket_row,
+		$datetime,
+		$ticket,
+		$datetime_tickets = array(),
+		$default
+	) {
+		$dtt_tkts = $datetime instanceof EE_Datetime && isset($datetime_tickets[ $datetime->ID() ])
+			? $datetime_tickets[ $datetime->ID() ]
+			: array();
+		$display_row = $ticket instanceof EE_Ticket ? $ticket->get('TKT_row') : 0;
+		$no_ticket = $default && empty($ticket);
+		$template_args = array(
+			'dtt_row'                 => $default
+				? 'DTTNUM'
+				: $datetime_row,
+			'tkt_row'                 => $no_ticket
+				? 'TICKETNUM'
+				: $ticket_row,
+			'datetime_ticket_checked' => in_array($display_row, $dtt_tkts, true)
+				? ' checked="checked"'
+				: '',
+			'ticket_selected'         => in_array($display_row, $dtt_tkts, true)
+				? ' ticket-selected'
+				: '',
+			'TKT_name'                => $no_ticket
+				? 'TKTNAME'
+				: $ticket->get('TKT_name'),
+			'tkt_status_class'        => $no_ticket || $this->_is_creating_event
+				? ' tkt-status-' . EE_Ticket::onsale
+				: ' tkt-status-' . $ticket->ticket_status(),
+		);
+		// filter template args
+		$template_args = apply_filters(
+			'FHEE__espresso_events_Pricing_Hooks___get_datetime_tickets_list_item__template_args',
+			$template_args,
+			$datetime_row,
+			$ticket_row,
+			$datetime,
+			$ticket,
+			$datetime_tickets,
+			$default,
+			$this->_is_creating_event
+		);
+		return EEH_Template::display_template(
+			PRICING_TEMPLATE_PATH . 'event_tickets_datetime_dtt_tickets_list.template.php',
+			$template_args,
+			true
+		);
+	}
 
 
-    /**
-     * This generates the ticket row for tickets.
-     * This same method is used to generate both the actual rows and the js skeleton row
-     * (when default === true)
-     *
-     * @param int           $ticket_row       Represents the row number being generated.
-     * @param               $ticket
-     * @param EE_Datetime[] $ticket_datetimes Either an array of all datetimes on all tickets indexed by each ticket
-     *                                        or empty for default
-     * @param EE_Datetime[] $all_datetimes    All Datetimes on the event or empty for default.
-     * @param bool          $default          Whether default row being generated or not.
-     * @param EE_Ticket[]   $all_tickets      This is an array of all tickets attached to the event
-     *                                        (or empty in the case of defaults)
-     * @return mixed
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws DomainException
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    protected function _get_ticket_row(
-        $ticket_row,
-        $ticket,
-        $ticket_datetimes,
-        $all_datetimes,
-        $default = false,
-        $all_tickets = array()
-    ) {
-        // if $ticket is not an instance of EE_Ticket then force default to true.
-        $default = ! $ticket instanceof EE_Ticket ? true : $default;
-        $prices = ! empty($ticket) && ! $default
-            ? $ticket->get_many_related(
-                'Price',
-                array('default_where_conditions' => 'none', 'order_by' => array('PRC_order' => 'ASC'))
-            )
-            : array();
-        // if there is only one price (which would be the base price)
-        // or NO prices and this ticket is a default ticket,
-        // let's just make sure there are no cached default prices on the object.
-        // This is done by not including any query_params.
-        if ($ticket instanceof EE_Ticket && $ticket->is_default() && (count($prices) === 1 || empty($prices))) {
-            $prices = $ticket->prices();
-        }
-        // check if we're dealing with a default ticket in which case
-        // we don't want any starting_ticket_datetime_row values set
-        // (otherwise there won't be any new relationships created for tickets based off of the default ticket).
-        // This will future proof in case there is ever any behaviour change between what the primary_key defaults to.
-        $default_dtt = $default || ($ticket instanceof EE_Ticket && $ticket->is_default());
-        $tkt_datetimes = $ticket instanceof EE_Ticket && isset($ticket_datetimes[ $ticket->ID() ])
-            ? $ticket_datetimes[ $ticket->ID() ]
-            : array();
-        $ticket_subtotal = $default ? 0 : $ticket->get_ticket_subtotal();
-        $base_price = $default ? null : $ticket->base_price();
-        $count_price_mods = EEM_Price::instance()->get_all_default_prices(true);
-        // breaking out complicated condition for ticket_status
-        if ($default) {
-            $ticket_status_class = ' tkt-status-' . EE_Ticket::onsale;
-        } else {
-            $ticket_status_class = $ticket->is_default()
-                ? ' tkt-status-' . EE_Ticket::onsale
-                : ' tkt-status-' . $ticket->ticket_status();
-        }
-        // breaking out complicated condition for TKT_taxable
-        if ($default) {
-            $TKT_taxable = '';
-        } else {
-            $TKT_taxable = $ticket->taxable()
-                ? ' checked="checked"'
-                : '';
-        }
-        if ($default) {
-            $TKT_status = EEH_Template::pretty_status(EE_Ticket::onsale, false, 'sentence');
-        } elseif ($ticket->is_default()) {
-            $TKT_status = EEH_Template::pretty_status(EE_Ticket::onsale, false, 'sentence');
-        } else {
-            $TKT_status = $ticket->ticket_status(true);
-        }
-        if ($default) {
-            $TKT_min = '';
-        } else {
-            $TKT_min = $ticket->min();
-            if ($TKT_min === -1 || $TKT_min === 0) {
-                $TKT_min = '';
-            }
-        }
-        $template_args = array(
-            'tkt_row'                       => $default ? 'TICKETNUM' : $ticket_row,
-            'TKT_order'                     => $default ? 'TICKETNUM' : $ticket_row,
-            // on initial page load this will always be the correct order.
-            'tkt_status_class'              => $ticket_status_class,
-            'display_edit_tkt_row'          => ' style="display:none;"',
-            'edit_tkt_expanded'             => '',
-            'edit_tickets_name'             => $default ? 'TICKETNAMEATTR' : 'edit_tickets',
-            'TKT_name'                      => $default ? '' : $ticket->get_f('TKT_name'),
-            'TKT_start_date'                => $default
-                ? ''
-                : $ticket->get_date('TKT_start_date', $this->_date_time_format),
-            'TKT_end_date'                  => $default
-                ? ''
-                : $ticket->get_date('TKT_end_date', $this->_date_time_format),
-            'TKT_status'                    => $TKT_status,
-            'TKT_price'                     => $default
-                ? ''
-                : EEH_Template::format_currency(
-                    $ticket->get_ticket_total_with_taxes(),
-                    false,
-                    false
-                ),
-            'TKT_price_code'                => EE_Registry::instance()->CFG->currency->code,
-            'TKT_price_amount'              => $default ? 0 : $ticket_subtotal,
-            'TKT_qty'                       => $default
-                ? ''
-                : $ticket->get_pretty('TKT_qty', 'symbol'),
-            'TKT_qty_for_input'             => $default
-                ? ''
-                : $ticket->get_pretty('TKT_qty', 'input'),
-            'TKT_uses'                      => $default
-                ? ''
-                : $ticket->get_pretty('TKT_uses', 'input'),
-            'TKT_min'                       => $TKT_min,
-            'TKT_max'                       => $default
-                ? ''
-                : $ticket->get_pretty('TKT_max', 'input'),
-            'TKT_sold'                      => $default ? 0 : $ticket->tickets_sold('ticket'),
-            'TKT_reserved'                  => $default ? 0 : $ticket->reserved(),
-            'TKT_registrations'             => $default
-                ? 0
-                : $ticket->count_registrations(
-                    array(
-                        array(
-                            'STS_ID' => array(
-                                '!=',
-                                EEM_Registration::status_id_incomplete,
-                            ),
-                        ),
-                    )
-                ),
-            'TKT_ID'                        => $default ? 0 : $ticket->ID(),
-            'TKT_description'               => $default ? '' : $ticket->get_f('TKT_description'),
-            'TKT_is_default'                => $default ? 0 : $ticket->is_default(),
-            'TKT_required'                  => $default ? 0 : $ticket->required(),
-            'TKT_is_default_selector'       => '',
-            'ticket_price_rows'             => '',
-            'TKT_base_price'                => $default || ! $base_price instanceof EE_Price
-                ? ''
-                : $base_price->get_pretty('PRC_amount', 'localized_float'),
-            'TKT_base_price_ID'             => $default || ! $base_price instanceof EE_Price ? 0 : $base_price->ID(),
-            'show_price_modifier'           => count($prices) > 1 || ($default && $count_price_mods > 0)
-                ? ''
-                : ' style="display:none;"',
-            'show_price_mod_button'         => count($prices) > 1
-                                               || ($default && $count_price_mods > 0)
-                                               || (! $default && $ticket->deleted())
-                ? ' style="display:none;"'
-                : '',
-            'total_price_rows'              => count($prices) > 1 ? count($prices) : 1,
-            'ticket_datetimes_list'         => $default ? '<li class="hidden"></li>' : '',
-            'starting_ticket_datetime_rows' => $default || $default_dtt ? '' : implode(',', $tkt_datetimes),
-            'ticket_datetime_rows'          => $default ? '' : implode(',', $tkt_datetimes),
-            'existing_ticket_price_ids'     => $default ? '' : implode(',', array_keys($prices)),
-            'ticket_template_id'            => $default ? 0 : $ticket->get('TTM_ID'),
-            'TKT_taxable'                   => $TKT_taxable,
-            'display_subtotal'              => $ticket instanceof EE_Ticket && $ticket->taxable()
-                ? ''
-                : ' style="display:none"',
-            'price_currency_symbol'         => EE_Registry::instance()->CFG->currency->sign,
-            'TKT_subtotal_amount_display'   => EEH_Template::format_currency(
-                $ticket_subtotal,
-                false,
-                false
-            ),
-            'TKT_subtotal_amount'           => $ticket_subtotal,
-            'tax_rows'                      => $this->_get_tax_rows($ticket_row, $ticket),
-            'disabled'                      => $ticket instanceof EE_Ticket && $ticket->deleted(),
-            'ticket_archive_class'          => $ticket instanceof EE_Ticket && $ticket->deleted()
-                ? ' ticket-archived'
-                : '',
-            'trash_icon'                    => $ticket instanceof EE_Ticket
-                                               && $ticket->deleted()
-                                               && ! $ticket->is_permanently_deleteable()
-                ? 'ee-lock-icon '
-                : 'trash-icon dashicons dashicons-post-trash clickable',
-            'clone_icon'                    => $ticket instanceof EE_Ticket && $ticket->deleted()
-                ? ''
-                : 'clone-icon ee-icon ee-icon-clone clickable',
-        );
-        $template_args['trash_hidden'] = count($all_tickets) === 1 && $template_args['trash_icon'] !== 'ee-lock-icon'
-            ? ' style="display:none"'
-            : '';
-        // handle rows that should NOT be empty
-        if (empty($template_args['TKT_start_date'])) {
-            // if empty then the start date will be now.
-            $template_args['TKT_start_date'] = date(
-                $this->_date_time_format,
-                current_time('timestamp')
-            );
-            $template_args['tkt_status_class'] = ' tkt-status-' . EE_Ticket::onsale;
-        }
-        if (empty($template_args['TKT_end_date'])) {
-            // get the earliest datetime (if present);
-            $earliest_dtt = $this->_adminpage_obj->get_cpt_model_obj()->ID() > 0
-                ? $this->_adminpage_obj->get_cpt_model_obj()->get_first_related(
-                    'Datetime',
-                    array('order_by' => array('DTT_EVT_start' => 'ASC'))
-                )
-                : null;
-            if (! empty($earliest_dtt)) {
-                $template_args['TKT_end_date'] = $earliest_dtt->get_datetime(
-                    'DTT_EVT_start',
-                    $this->_date_time_format
-                );
-            } else {
-                // default so let's just use what's been set for the default date-time which is 30 days from now.
-                $template_args['TKT_end_date'] = date(
-                    $this->_date_time_format,
-                    mktime(
-                        24,
-                        0,
-                        0,
-                        date('m'),
-                        date('d') + 29,
-                        date('Y')
-                    )
-                );
-            }
-            $template_args['tkt_status_class'] = ' tkt-status-' . EE_Ticket::onsale;
-        }
-        // generate ticket_datetime items
-        if (! $default) {
-            $datetime_row = 1;
-            foreach ($all_datetimes as $datetime) {
-                $template_args['ticket_datetimes_list'] .= $this->_get_ticket_datetime_list_item(
-                    $datetime_row,
-                    $ticket_row,
-                    $datetime,
-                    $ticket,
-                    $ticket_datetimes,
-                    $default
-                );
-                $datetime_row++;
-            }
-        }
-        $price_row = 1;
-        foreach ($prices as $price) {
-            if (! $price instanceof EE_Price) {
-                continue;
-            }
-            if ($price->is_base_price()) {
-                $price_row++;
-                continue;
-            }
-            $show_trash = ! ((count($prices) > 1 && $price_row === 1) || count($prices) === 1);
-            $show_create = ! (count($prices) > 1 && count($prices) !== $price_row);
-            $template_args['ticket_price_rows'] .= $this->_get_ticket_price_row(
-                $ticket_row,
-                $price_row,
-                $price,
-                $default,
-                $ticket,
-                $show_trash,
-                $show_create
-            );
-            $price_row++;
-        }
-        // filter $template_args
-        $template_args = apply_filters(
-            'FHEE__espresso_events_Pricing_Hooks___get_ticket_row__template_args',
-            $template_args,
-            $ticket_row,
-            $ticket,
-            $ticket_datetimes,
-            $all_datetimes,
-            $default,
-            $all_tickets,
-            $this->_is_creating_event
-        );
-        return EEH_Template::display_template(
-            PRICING_TEMPLATE_PATH . 'event_tickets_datetime_ticket_row.template.php',
-            $template_args,
-            true
-        );
-    }
+	/**
+	 * This generates the ticket row for tickets.
+	 * This same method is used to generate both the actual rows and the js skeleton row
+	 * (when default === true)
+	 *
+	 * @param int           $ticket_row       Represents the row number being generated.
+	 * @param               $ticket
+	 * @param EE_Datetime[] $ticket_datetimes Either an array of all datetimes on all tickets indexed by each ticket
+	 *                                        or empty for default
+	 * @param EE_Datetime[] $all_datetimes    All Datetimes on the event or empty for default.
+	 * @param bool          $default          Whether default row being generated or not.
+	 * @param EE_Ticket[]   $all_tickets      This is an array of all tickets attached to the event
+	 *                                        (or empty in the case of defaults)
+	 * @return mixed
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws DomainException
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	protected function _get_ticket_row(
+		$ticket_row,
+		$ticket,
+		$ticket_datetimes,
+		$all_datetimes,
+		$default = false,
+		$all_tickets = array()
+	) {
+		// if $ticket is not an instance of EE_Ticket then force default to true.
+		$default = ! $ticket instanceof EE_Ticket ? true : $default;
+		$prices = ! empty($ticket) && ! $default
+			? $ticket->get_many_related(
+				'Price',
+				array('default_where_conditions' => 'none', 'order_by' => array('PRC_order' => 'ASC'))
+			)
+			: array();
+		// if there is only one price (which would be the base price)
+		// or NO prices and this ticket is a default ticket,
+		// let's just make sure there are no cached default prices on the object.
+		// This is done by not including any query_params.
+		if ($ticket instanceof EE_Ticket && $ticket->is_default() && (count($prices) === 1 || empty($prices))) {
+			$prices = $ticket->prices();
+		}
+		// check if we're dealing with a default ticket in which case
+		// we don't want any starting_ticket_datetime_row values set
+		// (otherwise there won't be any new relationships created for tickets based off of the default ticket).
+		// This will future proof in case there is ever any behaviour change between what the primary_key defaults to.
+		$default_dtt = $default || ($ticket instanceof EE_Ticket && $ticket->is_default());
+		$tkt_datetimes = $ticket instanceof EE_Ticket && isset($ticket_datetimes[ $ticket->ID() ])
+			? $ticket_datetimes[ $ticket->ID() ]
+			: array();
+		$ticket_subtotal = $default ? 0 : $ticket->get_ticket_subtotal();
+		$base_price = $default ? null : $ticket->base_price();
+		$count_price_mods = EEM_Price::instance()->get_all_default_prices(true);
+		// breaking out complicated condition for ticket_status
+		if ($default) {
+			$ticket_status_class = ' tkt-status-' . EE_Ticket::onsale;
+		} else {
+			$ticket_status_class = $ticket->is_default()
+				? ' tkt-status-' . EE_Ticket::onsale
+				: ' tkt-status-' . $ticket->ticket_status();
+		}
+		// breaking out complicated condition for TKT_taxable
+		if ($default) {
+			$TKT_taxable = '';
+		} else {
+			$TKT_taxable = $ticket->taxable()
+				? ' checked="checked"'
+				: '';
+		}
+		if ($default) {
+			$TKT_status = EEH_Template::pretty_status(EE_Ticket::onsale, false, 'sentence');
+		} elseif ($ticket->is_default()) {
+			$TKT_status = EEH_Template::pretty_status(EE_Ticket::onsale, false, 'sentence');
+		} else {
+			$TKT_status = $ticket->ticket_status(true);
+		}
+		if ($default) {
+			$TKT_min = '';
+		} else {
+			$TKT_min = $ticket->min();
+			if ($TKT_min === -1 || $TKT_min === 0) {
+				$TKT_min = '';
+			}
+		}
+		$template_args = array(
+			'tkt_row'                       => $default ? 'TICKETNUM' : $ticket_row,
+			'TKT_order'                     => $default ? 'TICKETNUM' : $ticket_row,
+			// on initial page load this will always be the correct order.
+			'tkt_status_class'              => $ticket_status_class,
+			'display_edit_tkt_row'          => ' style="display:none;"',
+			'edit_tkt_expanded'             => '',
+			'edit_tickets_name'             => $default ? 'TICKETNAMEATTR' : 'edit_tickets',
+			'TKT_name'                      => $default ? '' : $ticket->get_f('TKT_name'),
+			'TKT_start_date'                => $default
+				? ''
+				: $ticket->get_date('TKT_start_date', $this->_date_time_format),
+			'TKT_end_date'                  => $default
+				? ''
+				: $ticket->get_date('TKT_end_date', $this->_date_time_format),
+			'TKT_status'                    => $TKT_status,
+			'TKT_price'                     => $default
+				? ''
+				: EEH_Template::format_currency(
+					$ticket->get_ticket_total_with_taxes(),
+					false,
+					false
+				),
+			'TKT_price_code'                => EE_Registry::instance()->CFG->currency->code,
+			'TKT_price_amount'              => $default ? 0 : $ticket_subtotal,
+			'TKT_qty'                       => $default
+				? ''
+				: $ticket->get_pretty('TKT_qty', 'symbol'),
+			'TKT_qty_for_input'             => $default
+				? ''
+				: $ticket->get_pretty('TKT_qty', 'input'),
+			'TKT_uses'                      => $default
+				? ''
+				: $ticket->get_pretty('TKT_uses', 'input'),
+			'TKT_min'                       => $TKT_min,
+			'TKT_max'                       => $default
+				? ''
+				: $ticket->get_pretty('TKT_max', 'input'),
+			'TKT_sold'                      => $default ? 0 : $ticket->tickets_sold('ticket'),
+			'TKT_reserved'                  => $default ? 0 : $ticket->reserved(),
+			'TKT_registrations'             => $default
+				? 0
+				: $ticket->count_registrations(
+					array(
+						array(
+							'STS_ID' => array(
+								'!=',
+								EEM_Registration::status_id_incomplete,
+							),
+						),
+					)
+				),
+			'TKT_ID'                        => $default ? 0 : $ticket->ID(),
+			'TKT_description'               => $default ? '' : $ticket->get_f('TKT_description'),
+			'TKT_is_default'                => $default ? 0 : $ticket->is_default(),
+			'TKT_required'                  => $default ? 0 : $ticket->required(),
+			'TKT_is_default_selector'       => '',
+			'ticket_price_rows'             => '',
+			'TKT_base_price'                => $default || ! $base_price instanceof EE_Price
+				? ''
+				: $base_price->get_pretty('PRC_amount', 'localized_float'),
+			'TKT_base_price_ID'             => $default || ! $base_price instanceof EE_Price ? 0 : $base_price->ID(),
+			'show_price_modifier'           => count($prices) > 1 || ($default && $count_price_mods > 0)
+				? ''
+				: ' style="display:none;"',
+			'show_price_mod_button'         => count($prices) > 1
+											   || ($default && $count_price_mods > 0)
+											   || (! $default && $ticket->deleted())
+				? ' style="display:none;"'
+				: '',
+			'total_price_rows'              => count($prices) > 1 ? count($prices) : 1,
+			'ticket_datetimes_list'         => $default ? '<li class="hidden"></li>' : '',
+			'starting_ticket_datetime_rows' => $default || $default_dtt ? '' : implode(',', $tkt_datetimes),
+			'ticket_datetime_rows'          => $default ? '' : implode(',', $tkt_datetimes),
+			'existing_ticket_price_ids'     => $default ? '' : implode(',', array_keys($prices)),
+			'ticket_template_id'            => $default ? 0 : $ticket->get('TTM_ID'),
+			'TKT_taxable'                   => $TKT_taxable,
+			'display_subtotal'              => $ticket instanceof EE_Ticket && $ticket->taxable()
+				? ''
+				: ' style="display:none"',
+			'price_currency_symbol'         => EE_Registry::instance()->CFG->currency->sign,
+			'TKT_subtotal_amount_display'   => EEH_Template::format_currency(
+				$ticket_subtotal,
+				false,
+				false
+			),
+			'TKT_subtotal_amount'           => $ticket_subtotal,
+			'tax_rows'                      => $this->_get_tax_rows($ticket_row, $ticket),
+			'disabled'                      => $ticket instanceof EE_Ticket && $ticket->deleted(),
+			'ticket_archive_class'          => $ticket instanceof EE_Ticket && $ticket->deleted()
+				? ' ticket-archived'
+				: '',
+			'trash_icon'                    => $ticket instanceof EE_Ticket
+											   && $ticket->deleted()
+											   && ! $ticket->is_permanently_deleteable()
+				? 'ee-lock-icon '
+				: 'trash-icon dashicons dashicons-post-trash clickable',
+			'clone_icon'                    => $ticket instanceof EE_Ticket && $ticket->deleted()
+				? ''
+				: 'clone-icon ee-icon ee-icon-clone clickable',
+		);
+		$template_args['trash_hidden'] = count($all_tickets) === 1 && $template_args['trash_icon'] !== 'ee-lock-icon'
+			? ' style="display:none"'
+			: '';
+		// handle rows that should NOT be empty
+		if (empty($template_args['TKT_start_date'])) {
+			// if empty then the start date will be now.
+			$template_args['TKT_start_date'] = date(
+				$this->_date_time_format,
+				current_time('timestamp')
+			);
+			$template_args['tkt_status_class'] = ' tkt-status-' . EE_Ticket::onsale;
+		}
+		if (empty($template_args['TKT_end_date'])) {
+			// get the earliest datetime (if present);
+			$earliest_dtt = $this->_adminpage_obj->get_cpt_model_obj()->ID() > 0
+				? $this->_adminpage_obj->get_cpt_model_obj()->get_first_related(
+					'Datetime',
+					array('order_by' => array('DTT_EVT_start' => 'ASC'))
+				)
+				: null;
+			if (! empty($earliest_dtt)) {
+				$template_args['TKT_end_date'] = $earliest_dtt->get_datetime(
+					'DTT_EVT_start',
+					$this->_date_time_format
+				);
+			} else {
+				// default so let's just use what's been set for the default date-time which is 30 days from now.
+				$template_args['TKT_end_date'] = date(
+					$this->_date_time_format,
+					mktime(
+						24,
+						0,
+						0,
+						date('m'),
+						date('d') + 29,
+						date('Y')
+					)
+				);
+			}
+			$template_args['tkt_status_class'] = ' tkt-status-' . EE_Ticket::onsale;
+		}
+		// generate ticket_datetime items
+		if (! $default) {
+			$datetime_row = 1;
+			foreach ($all_datetimes as $datetime) {
+				$template_args['ticket_datetimes_list'] .= $this->_get_ticket_datetime_list_item(
+					$datetime_row,
+					$ticket_row,
+					$datetime,
+					$ticket,
+					$ticket_datetimes,
+					$default
+				);
+				$datetime_row++;
+			}
+		}
+		$price_row = 1;
+		foreach ($prices as $price) {
+			if (! $price instanceof EE_Price) {
+				continue;
+			}
+			if ($price->is_base_price()) {
+				$price_row++;
+				continue;
+			}
+			$show_trash = ! ((count($prices) > 1 && $price_row === 1) || count($prices) === 1);
+			$show_create = ! (count($prices) > 1 && count($prices) !== $price_row);
+			$template_args['ticket_price_rows'] .= $this->_get_ticket_price_row(
+				$ticket_row,
+				$price_row,
+				$price,
+				$default,
+				$ticket,
+				$show_trash,
+				$show_create
+			);
+			$price_row++;
+		}
+		// filter $template_args
+		$template_args = apply_filters(
+			'FHEE__espresso_events_Pricing_Hooks___get_ticket_row__template_args',
+			$template_args,
+			$ticket_row,
+			$ticket,
+			$ticket_datetimes,
+			$all_datetimes,
+			$default,
+			$all_tickets,
+			$this->_is_creating_event
+		);
+		return EEH_Template::display_template(
+			PRICING_TEMPLATE_PATH . 'event_tickets_datetime_ticket_row.template.php',
+			$template_args,
+			true
+		);
+	}
 
 
-    /**
-     * @param int            $ticket_row
-     * @param EE_Ticket|null $ticket
-     * @return string
-     * @throws DomainException
-     * @throws EE_Error
-     */
-    protected function _get_tax_rows($ticket_row, $ticket)
-    {
-        $tax_rows = '';
-        /** @var EE_Price[] $taxes */
-        $taxes = empty($ticket) ? EE_Taxes::get_taxes_for_admin() : $ticket->get_ticket_taxes_for_admin();
-        foreach ($taxes as $tax) {
-            $tax_added = $this->_get_tax_added($tax, $ticket);
-            $template_args = array(
-                'display_tax'       => ! empty($ticket) && $ticket->get('TKT_taxable')
-                    ? ''
-                    : ' style="display:none;"',
-                'tax_id'            => $tax->ID(),
-                'tkt_row'           => $ticket_row,
-                'tax_label'         => $tax->get('PRC_name'),
-                'tax_added'         => $tax_added,
-                'tax_added_display' => EEH_Template::format_currency($tax_added, false, false),
-                'tax_amount'        => $tax->get('PRC_amount'),
-            );
-            $template_args = apply_filters(
-                'FHEE__espresso_events_Pricing_Hooks___get_tax_rows__template_args',
-                $template_args,
-                $ticket_row,
-                $ticket,
-                $this->_is_creating_event
-            );
-            $tax_rows .= EEH_Template::display_template(
-                PRICING_TEMPLATE_PATH . 'event_tickets_datetime_ticket_tax_row.template.php',
-                $template_args,
-                true
-            );
-        }
-        return $tax_rows;
-    }
+	/**
+	 * @param int            $ticket_row
+	 * @param EE_Ticket|null $ticket
+	 * @return string
+	 * @throws DomainException
+	 * @throws EE_Error
+	 */
+	protected function _get_tax_rows($ticket_row, $ticket)
+	{
+		$tax_rows = '';
+		/** @var EE_Price[] $taxes */
+		$taxes = empty($ticket) ? EE_Taxes::get_taxes_for_admin() : $ticket->get_ticket_taxes_for_admin();
+		foreach ($taxes as $tax) {
+			$tax_added = $this->_get_tax_added($tax, $ticket);
+			$template_args = array(
+				'display_tax'       => ! empty($ticket) && $ticket->get('TKT_taxable')
+					? ''
+					: ' style="display:none;"',
+				'tax_id'            => $tax->ID(),
+				'tkt_row'           => $ticket_row,
+				'tax_label'         => $tax->get('PRC_name'),
+				'tax_added'         => $tax_added,
+				'tax_added_display' => EEH_Template::format_currency($tax_added, false, false),
+				'tax_amount'        => $tax->get('PRC_amount'),
+			);
+			$template_args = apply_filters(
+				'FHEE__espresso_events_Pricing_Hooks___get_tax_rows__template_args',
+				$template_args,
+				$ticket_row,
+				$ticket,
+				$this->_is_creating_event
+			);
+			$tax_rows .= EEH_Template::display_template(
+				PRICING_TEMPLATE_PATH . 'event_tickets_datetime_ticket_tax_row.template.php',
+				$template_args,
+				true
+			);
+		}
+		return $tax_rows;
+	}
 
 
-    /**
-     * @param EE_Price       $tax
-     * @param EE_Ticket|null $ticket
-     * @return float|int
-     * @throws EE_Error
-     */
-    protected function _get_tax_added(EE_Price $tax, $ticket)
-    {
-        $subtotal = empty($ticket) ? 0 : $ticket->get_ticket_subtotal();
-        return $subtotal * $tax->get('PRC_amount') / 100;
-    }
+	/**
+	 * @param EE_Price       $tax
+	 * @param EE_Ticket|null $ticket
+	 * @return float|int
+	 * @throws EE_Error
+	 */
+	protected function _get_tax_added(EE_Price $tax, $ticket)
+	{
+		$subtotal = empty($ticket) ? 0 : $ticket->get_ticket_subtotal();
+		return $subtotal * $tax->get('PRC_amount') / 100;
+	}
 
 
-    /**
-     * @param int            $ticket_row
-     * @param int            $price_row
-     * @param EE_Price|null  $price
-     * @param bool           $default
-     * @param EE_Ticket|null $ticket
-     * @param bool           $show_trash
-     * @param bool           $show_create
-     * @return mixed
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws DomainException
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    protected function _get_ticket_price_row(
-        $ticket_row,
-        $price_row,
-        $price,
-        $default,
-        $ticket,
-        $show_trash = true,
-        $show_create = true
-    ) {
-        $send_disabled = ! empty($ticket) && $ticket->get('TKT_deleted');
-        $template_args = array(
-            'tkt_row'               => $default && empty($ticket)
-                ? 'TICKETNUM'
-                : $ticket_row,
-            'PRC_order'             => $default && empty($price)
-                ? 'PRICENUM'
-                : $price_row,
-            'edit_prices_name'      => $default && empty($price)
-                ? 'PRICENAMEATTR'
-                : 'edit_prices',
-            'price_type_selector'   => $default && empty($price)
-                ? $this->_get_base_price_template($ticket_row, $price_row, $price, $default)
-                : $this->_get_price_type_selector(
-                    $ticket_row,
-                    $price_row,
-                    $price,
-                    $default,
-                    $send_disabled
-                ),
-            'PRC_ID'                => $default && empty($price)
-                ? 0
-                : $price->ID(),
-            'PRC_is_default'        => $default && empty($price)
-                ? 0
-                : $price->get('PRC_is_default'),
-            'PRC_name'              => $default && empty($price)
-                ? ''
-                : $price->get('PRC_name'),
-            'price_currency_symbol' => EE_Registry::instance()->CFG->currency->sign,
-            'show_plus_or_minus'    => $default && empty($price)
-                ? ''
-                : ' style="display:none;"',
-            'show_plus'             => ($default && empty($price)) || ($price->is_discount() || $price->is_base_price())
-                ? ' style="display:none;"'
-                : '',
-            'show_minus'            => ($default && empty($price)) || ! $price->is_discount()
-                ? ' style="display:none;"'
-                : '',
-            'show_currency_symbol'  => ($default && empty($price)) || $price->is_percent()
-                ? ' style="display:none"'
-                : '',
-            'PRC_amount'            => $default && empty($price)
-                ? 0
-                : $price->get_pretty('PRC_amount', 'localized_float'),
-            'show_percentage'       => ($default && empty($price)) || ! $price->is_percent()
-                ? ' style="display:none;"'
-                : '',
-            'show_trash_icon'       => $show_trash
-                ? ''
-                : ' style="display:none;"',
-            'show_create_button'    => $show_create
-                ? ''
-                : ' style="display:none;"',
-            'PRC_desc'              => $default && empty($price)
-                ? ''
-                : $price->get('PRC_desc'),
-            'disabled'              => ! empty($ticket) && $ticket->get('TKT_deleted'),
-        );
-        $template_args = apply_filters(
-            'FHEE__espresso_events_Pricing_Hooks___get_ticket_price_row__template_args',
-            $template_args,
-            $ticket_row,
-            $price_row,
-            $price,
-            $default,
-            $ticket,
-            $show_trash,
-            $show_create,
-            $this->_is_creating_event
-        );
-        return EEH_Template::display_template(
-            PRICING_TEMPLATE_PATH . 'event_tickets_datetime_ticket_price_row.template.php',
-            $template_args,
-            true
-        );
-    }
+	/**
+	 * @param int            $ticket_row
+	 * @param int            $price_row
+	 * @param EE_Price|null  $price
+	 * @param bool           $default
+	 * @param EE_Ticket|null $ticket
+	 * @param bool           $show_trash
+	 * @param bool           $show_create
+	 * @return mixed
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws DomainException
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	protected function _get_ticket_price_row(
+		$ticket_row,
+		$price_row,
+		$price,
+		$default,
+		$ticket,
+		$show_trash = true,
+		$show_create = true
+	) {
+		$send_disabled = ! empty($ticket) && $ticket->get('TKT_deleted');
+		$template_args = array(
+			'tkt_row'               => $default && empty($ticket)
+				? 'TICKETNUM'
+				: $ticket_row,
+			'PRC_order'             => $default && empty($price)
+				? 'PRICENUM'
+				: $price_row,
+			'edit_prices_name'      => $default && empty($price)
+				? 'PRICENAMEATTR'
+				: 'edit_prices',
+			'price_type_selector'   => $default && empty($price)
+				? $this->_get_base_price_template($ticket_row, $price_row, $price, $default)
+				: $this->_get_price_type_selector(
+					$ticket_row,
+					$price_row,
+					$price,
+					$default,
+					$send_disabled
+				),
+			'PRC_ID'                => $default && empty($price)
+				? 0
+				: $price->ID(),
+			'PRC_is_default'        => $default && empty($price)
+				? 0
+				: $price->get('PRC_is_default'),
+			'PRC_name'              => $default && empty($price)
+				? ''
+				: $price->get('PRC_name'),
+			'price_currency_symbol' => EE_Registry::instance()->CFG->currency->sign,
+			'show_plus_or_minus'    => $default && empty($price)
+				? ''
+				: ' style="display:none;"',
+			'show_plus'             => ($default && empty($price)) || ($price->is_discount() || $price->is_base_price())
+				? ' style="display:none;"'
+				: '',
+			'show_minus'            => ($default && empty($price)) || ! $price->is_discount()
+				? ' style="display:none;"'
+				: '',
+			'show_currency_symbol'  => ($default && empty($price)) || $price->is_percent()
+				? ' style="display:none"'
+				: '',
+			'PRC_amount'            => $default && empty($price)
+				? 0
+				: $price->get_pretty('PRC_amount', 'localized_float'),
+			'show_percentage'       => ($default && empty($price)) || ! $price->is_percent()
+				? ' style="display:none;"'
+				: '',
+			'show_trash_icon'       => $show_trash
+				? ''
+				: ' style="display:none;"',
+			'show_create_button'    => $show_create
+				? ''
+				: ' style="display:none;"',
+			'PRC_desc'              => $default && empty($price)
+				? ''
+				: $price->get('PRC_desc'),
+			'disabled'              => ! empty($ticket) && $ticket->get('TKT_deleted'),
+		);
+		$template_args = apply_filters(
+			'FHEE__espresso_events_Pricing_Hooks___get_ticket_price_row__template_args',
+			$template_args,
+			$ticket_row,
+			$price_row,
+			$price,
+			$default,
+			$ticket,
+			$show_trash,
+			$show_create,
+			$this->_is_creating_event
+		);
+		return EEH_Template::display_template(
+			PRICING_TEMPLATE_PATH . 'event_tickets_datetime_ticket_price_row.template.php',
+			$template_args,
+			true
+		);
+	}
 
 
-    /**
-     * @param int      $ticket_row
-     * @param int      $price_row
-     * @param EE_Price $price
-     * @param bool     $default
-     * @param bool     $disabled
-     * @return mixed
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws DomainException
-     * @throws EE_Error
-     */
-    protected function _get_price_type_selector($ticket_row, $price_row, $price, $default, $disabled = false)
-    {
-        if ($price->is_base_price()) {
-            return $this->_get_base_price_template(
-                $ticket_row,
-                $price_row,
-                $price,
-                $default
-            );
-        }
-        return $this->_get_price_modifier_template(
-            $ticket_row,
-            $price_row,
-            $price,
-            $default,
-            $disabled
-        );
-    }
+	/**
+	 * @param int      $ticket_row
+	 * @param int      $price_row
+	 * @param EE_Price $price
+	 * @param bool     $default
+	 * @param bool     $disabled
+	 * @return mixed
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws DomainException
+	 * @throws EE_Error
+	 */
+	protected function _get_price_type_selector($ticket_row, $price_row, $price, $default, $disabled = false)
+	{
+		if ($price->is_base_price()) {
+			return $this->_get_base_price_template(
+				$ticket_row,
+				$price_row,
+				$price,
+				$default
+			);
+		}
+		return $this->_get_price_modifier_template(
+			$ticket_row,
+			$price_row,
+			$price,
+			$default,
+			$disabled
+		);
+	}
 
 
-    /**
-     * @param int      $ticket_row
-     * @param int      $price_row
-     * @param EE_Price $price
-     * @param bool     $default
-     * @return mixed
-     * @throws DomainException
-     * @throws EE_Error
-     */
-    protected function _get_base_price_template($ticket_row, $price_row, $price, $default)
-    {
-        $template_args = array(
-            'tkt_row'                   => $default ? 'TICKETNUM' : $ticket_row,
-            'PRC_order'                 => $default && empty($price) ? 'PRICENUM' : $price_row,
-            'PRT_ID'                    => $default && empty($price) ? 1 : $price->get('PRT_ID'),
-            'PRT_name'                  => esc_html__('Price', 'event_espresso'),
-            'price_selected_operator'   => '+',
-            'price_selected_is_percent' => 0,
-        );
-        $template_args = apply_filters(
-            'FHEE__espresso_events_Pricing_Hooks___get_base_price_template__template_args',
-            $template_args,
-            $ticket_row,
-            $price_row,
-            $price,
-            $default,
-            $this->_is_creating_event
-        );
-        return EEH_Template::display_template(
-            PRICING_TEMPLATE_PATH . 'event_tickets_datetime_price_type_base.template.php',
-            $template_args,
-            true
-        );
-    }
+	/**
+	 * @param int      $ticket_row
+	 * @param int      $price_row
+	 * @param EE_Price $price
+	 * @param bool     $default
+	 * @return mixed
+	 * @throws DomainException
+	 * @throws EE_Error
+	 */
+	protected function _get_base_price_template($ticket_row, $price_row, $price, $default)
+	{
+		$template_args = array(
+			'tkt_row'                   => $default ? 'TICKETNUM' : $ticket_row,
+			'PRC_order'                 => $default && empty($price) ? 'PRICENUM' : $price_row,
+			'PRT_ID'                    => $default && empty($price) ? 1 : $price->get('PRT_ID'),
+			'PRT_name'                  => esc_html__('Price', 'event_espresso'),
+			'price_selected_operator'   => '+',
+			'price_selected_is_percent' => 0,
+		);
+		$template_args = apply_filters(
+			'FHEE__espresso_events_Pricing_Hooks___get_base_price_template__template_args',
+			$template_args,
+			$ticket_row,
+			$price_row,
+			$price,
+			$default,
+			$this->_is_creating_event
+		);
+		return EEH_Template::display_template(
+			PRICING_TEMPLATE_PATH . 'event_tickets_datetime_price_type_base.template.php',
+			$template_args,
+			true
+		);
+	}
 
 
-    /**
-     * @param int      $ticket_row
-     * @param int      $price_row
-     * @param EE_Price $price
-     * @param bool     $default
-     * @param bool     $disabled
-     * @return mixed
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws DomainException
-     * @throws EE_Error
-     */
-    protected function _get_price_modifier_template(
-        $ticket_row,
-        $price_row,
-        $price,
-        $default,
-        $disabled = false
-    ) {
-        $select_name = $default && ! $price instanceof EE_Price
-            ? 'edit_prices[TICKETNUM][PRICENUM][PRT_ID]'
-            : 'edit_prices[' . $ticket_row . '][' . $price_row . '][PRT_ID]';
-        /** @var EEM_Price_Type $price_type_model */
-        $price_type_model = EE_Registry::instance()->load_model('Price_Type');
-        $price_types = $price_type_model->get_all(array(
-            array(
-                'OR' => array(
-                    'PBT_ID'  => '2',
-                    'PBT_ID*' => '3',
-                ),
-            ),
-        ));
-        $all_price_types = $default && ! $price instanceof EE_Price
-            ? array(esc_html__('Select Modifier', 'event_espresso'))
-            : array();
-        $selected_price_type_id = $default && ! $price instanceof EE_Price ? 0 : $price->type();
-        $price_option_spans = '';
-        // setup price types for selector
-        foreach ($price_types as $price_type) {
-            if (! $price_type instanceof EE_Price_Type) {
-                continue;
-            }
-            $all_price_types[ $price_type->ID() ] = $price_type->get('PRT_name');
-            // while we're in the loop let's setup the option spans used by js
-            $span_args = array(
-                'PRT_ID'         => $price_type->ID(),
-                'PRT_operator'   => $price_type->is_discount() ? '-' : '+',
-                'PRT_is_percent' => $price_type->get('PRT_is_percent') ? 1 : 0,
-            );
-            $price_option_spans .= EEH_Template::display_template(
-                PRICING_TEMPLATE_PATH . 'event_tickets_datetime_price_option_span.template.php',
-                $span_args,
-                true
-            );
-        }
-        $select_name = $disabled ? 'archive_price[' . $ticket_row . '][' . $price_row . '][PRT_ID]'
-            : $select_name;
-        $select_input = new EE_Select_Input(
-            $all_price_types,
-            array(
-                'default'               => $selected_price_type_id,
-                'html_name'             => $select_name,
-                'html_class'            => 'edit-price-PRT_ID',
-                'other_html_attributes' => $disabled ? 'style="width:auto;" disabled' : 'style="width:auto;"',
-            )
-        );
-        $price_selected_operator = $price instanceof EE_Price && $price->is_discount() ? '-' : '+';
-        $price_selected_operator = $default && ! $price instanceof EE_Price ? '' : $price_selected_operator;
-        $price_selected_is_percent = $price instanceof EE_Price && $price->is_percent() ? 1 : 0;
-        $price_selected_is_percent = $default && ! $price instanceof EE_Price ? '' : $price_selected_is_percent;
-        $template_args = array(
-            'tkt_row'                   => $default ? 'TICKETNUM' : $ticket_row,
-            'PRC_order'                 => $default && ! $price instanceof EE_Price ? 'PRICENUM' : $price_row,
-            'price_modifier_selector'   => $select_input->get_html_for_input(),
-            'main_name'                 => $select_name,
-            'selected_price_type_id'    => $selected_price_type_id,
-            'price_option_spans'        => $price_option_spans,
-            'price_selected_operator'   => $price_selected_operator,
-            'price_selected_is_percent' => $price_selected_is_percent,
-            'disabled'                  => $disabled,
-        );
-        $template_args = apply_filters(
-            'FHEE__espresso_events_Pricing_Hooks___get_price_modifier_template__template_args',
-            $template_args,
-            $ticket_row,
-            $price_row,
-            $price,
-            $default,
-            $disabled,
-            $this->_is_creating_event
-        );
-        return EEH_Template::display_template(
-            PRICING_TEMPLATE_PATH . 'event_tickets_datetime_price_modifier_selector.template.php',
-            $template_args,
-            true
-        );
-    }
+	/**
+	 * @param int      $ticket_row
+	 * @param int      $price_row
+	 * @param EE_Price $price
+	 * @param bool     $default
+	 * @param bool     $disabled
+	 * @return mixed
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws DomainException
+	 * @throws EE_Error
+	 */
+	protected function _get_price_modifier_template(
+		$ticket_row,
+		$price_row,
+		$price,
+		$default,
+		$disabled = false
+	) {
+		$select_name = $default && ! $price instanceof EE_Price
+			? 'edit_prices[TICKETNUM][PRICENUM][PRT_ID]'
+			: 'edit_prices[' . $ticket_row . '][' . $price_row . '][PRT_ID]';
+		/** @var EEM_Price_Type $price_type_model */
+		$price_type_model = EE_Registry::instance()->load_model('Price_Type');
+		$price_types = $price_type_model->get_all(array(
+			array(
+				'OR' => array(
+					'PBT_ID'  => '2',
+					'PBT_ID*' => '3',
+				),
+			),
+		));
+		$all_price_types = $default && ! $price instanceof EE_Price
+			? array(esc_html__('Select Modifier', 'event_espresso'))
+			: array();
+		$selected_price_type_id = $default && ! $price instanceof EE_Price ? 0 : $price->type();
+		$price_option_spans = '';
+		// setup price types for selector
+		foreach ($price_types as $price_type) {
+			if (! $price_type instanceof EE_Price_Type) {
+				continue;
+			}
+			$all_price_types[ $price_type->ID() ] = $price_type->get('PRT_name');
+			// while we're in the loop let's setup the option spans used by js
+			$span_args = array(
+				'PRT_ID'         => $price_type->ID(),
+				'PRT_operator'   => $price_type->is_discount() ? '-' : '+',
+				'PRT_is_percent' => $price_type->get('PRT_is_percent') ? 1 : 0,
+			);
+			$price_option_spans .= EEH_Template::display_template(
+				PRICING_TEMPLATE_PATH . 'event_tickets_datetime_price_option_span.template.php',
+				$span_args,
+				true
+			);
+		}
+		$select_name = $disabled ? 'archive_price[' . $ticket_row . '][' . $price_row . '][PRT_ID]'
+			: $select_name;
+		$select_input = new EE_Select_Input(
+			$all_price_types,
+			array(
+				'default'               => $selected_price_type_id,
+				'html_name'             => $select_name,
+				'html_class'            => 'edit-price-PRT_ID',
+				'other_html_attributes' => $disabled ? 'style="width:auto;" disabled' : 'style="width:auto;"',
+			)
+		);
+		$price_selected_operator = $price instanceof EE_Price && $price->is_discount() ? '-' : '+';
+		$price_selected_operator = $default && ! $price instanceof EE_Price ? '' : $price_selected_operator;
+		$price_selected_is_percent = $price instanceof EE_Price && $price->is_percent() ? 1 : 0;
+		$price_selected_is_percent = $default && ! $price instanceof EE_Price ? '' : $price_selected_is_percent;
+		$template_args = array(
+			'tkt_row'                   => $default ? 'TICKETNUM' : $ticket_row,
+			'PRC_order'                 => $default && ! $price instanceof EE_Price ? 'PRICENUM' : $price_row,
+			'price_modifier_selector'   => $select_input->get_html_for_input(),
+			'main_name'                 => $select_name,
+			'selected_price_type_id'    => $selected_price_type_id,
+			'price_option_spans'        => $price_option_spans,
+			'price_selected_operator'   => $price_selected_operator,
+			'price_selected_is_percent' => $price_selected_is_percent,
+			'disabled'                  => $disabled,
+		);
+		$template_args = apply_filters(
+			'FHEE__espresso_events_Pricing_Hooks___get_price_modifier_template__template_args',
+			$template_args,
+			$ticket_row,
+			$price_row,
+			$price,
+			$default,
+			$disabled,
+			$this->_is_creating_event
+		);
+		return EEH_Template::display_template(
+			PRICING_TEMPLATE_PATH . 'event_tickets_datetime_price_modifier_selector.template.php',
+			$template_args,
+			true
+		);
+	}
 
 
-    /**
-     * @param int              $datetime_row
-     * @param int              $ticket_row
-     * @param EE_Datetime|null $datetime
-     * @param EE_Ticket|null   $ticket
-     * @param array            $ticket_datetimes
-     * @param bool             $default
-     * @return mixed
-     * @throws DomainException
-     * @throws EE_Error
-     */
-    protected function _get_ticket_datetime_list_item(
-        $datetime_row,
-        $ticket_row,
-        $datetime,
-        $ticket,
-        $ticket_datetimes = array(),
-        $default
-    ) {
-        $tkt_datetimes = $ticket instanceof EE_Ticket && isset($ticket_datetimes[ $ticket->ID() ])
-            ? $ticket_datetimes[ $ticket->ID() ]
-            : array();
-        $template_args = array(
-            'dtt_row'                  => $default && ! $datetime instanceof EE_Datetime
-                ? 'DTTNUM'
-                : $datetime_row,
-            'tkt_row'                  => $default
-                ? 'TICKETNUM'
-                : $ticket_row,
-            'ticket_datetime_selected' => in_array($datetime_row, $tkt_datetimes, true)
-                ? ' ticket-selected'
-                : '',
-            'ticket_datetime_checked'  => in_array($datetime_row, $tkt_datetimes, true)
-                ? ' checked="checked"'
-                : '',
-            'DTT_name'                 => $default && empty($datetime)
-                ? 'DTTNAME'
-                : $datetime->get_dtt_display_name(true),
-            'tkt_status_class'         => '',
-        );
-        $template_args = apply_filters(
-            'FHEE__espresso_events_Pricing_Hooks___get_ticket_datetime_list_item__template_args',
-            $template_args,
-            $datetime_row,
-            $ticket_row,
-            $datetime,
-            $ticket,
-            $ticket_datetimes,
-            $default,
-            $this->_is_creating_event
-        );
-        return EEH_Template::display_template(
-            PRICING_TEMPLATE_PATH . 'event_tickets_datetime_ticket_datetimes_list_item.template.php',
-            $template_args,
-            true
-        );
-    }
+	/**
+	 * @param int              $datetime_row
+	 * @param int              $ticket_row
+	 * @param EE_Datetime|null $datetime
+	 * @param EE_Ticket|null   $ticket
+	 * @param array            $ticket_datetimes
+	 * @param bool             $default
+	 * @return mixed
+	 * @throws DomainException
+	 * @throws EE_Error
+	 */
+	protected function _get_ticket_datetime_list_item(
+		$datetime_row,
+		$ticket_row,
+		$datetime,
+		$ticket,
+		$ticket_datetimes = array(),
+		$default
+	) {
+		$tkt_datetimes = $ticket instanceof EE_Ticket && isset($ticket_datetimes[ $ticket->ID() ])
+			? $ticket_datetimes[ $ticket->ID() ]
+			: array();
+		$template_args = array(
+			'dtt_row'                  => $default && ! $datetime instanceof EE_Datetime
+				? 'DTTNUM'
+				: $datetime_row,
+			'tkt_row'                  => $default
+				? 'TICKETNUM'
+				: $ticket_row,
+			'ticket_datetime_selected' => in_array($datetime_row, $tkt_datetimes, true)
+				? ' ticket-selected'
+				: '',
+			'ticket_datetime_checked'  => in_array($datetime_row, $tkt_datetimes, true)
+				? ' checked="checked"'
+				: '',
+			'DTT_name'                 => $default && empty($datetime)
+				? 'DTTNAME'
+				: $datetime->get_dtt_display_name(true),
+			'tkt_status_class'         => '',
+		);
+		$template_args = apply_filters(
+			'FHEE__espresso_events_Pricing_Hooks___get_ticket_datetime_list_item__template_args',
+			$template_args,
+			$datetime_row,
+			$ticket_row,
+			$datetime,
+			$ticket,
+			$ticket_datetimes,
+			$default,
+			$this->_is_creating_event
+		);
+		return EEH_Template::display_template(
+			PRICING_TEMPLATE_PATH . 'event_tickets_datetime_ticket_datetimes_list_item.template.php',
+			$template_args,
+			true
+		);
+	}
 
 
-    /**
-     * @param array $all_datetimes
-     * @param array $all_tickets
-     * @return mixed
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws DomainException
-     * @throws EE_Error
-     */
-    protected function _get_ticket_js_structure($all_datetimes = array(), $all_tickets = array())
-    {
-        $template_args = array(
-            'default_datetime_edit_row'                => $this->_get_dtt_edit_row(
-                'DTTNUM',
-                null,
-                true,
-                $all_datetimes
-            ),
-            'default_ticket_row'                       => $this->_get_ticket_row(
-                'TICKETNUM',
-                null,
-                array(),
-                array(),
-                true
-            ),
-            'default_price_row'                        => $this->_get_ticket_price_row(
-                'TICKETNUM',
-                'PRICENUM',
-                null,
-                true,
-                null
-            ),
-            'default_price_rows'                       => '',
-            'default_base_price_amount'                => 0,
-            'default_base_price_name'                  => '',
-            'default_base_price_description'           => '',
-            'default_price_modifier_selector_row'      => $this->_get_price_modifier_template(
-                'TICKETNUM',
-                'PRICENUM',
-                null,
-                true
-            ),
-            'default_available_tickets_for_datetime'   => $this->_get_dtt_attached_tickets_row(
-                'DTTNUM',
-                null,
-                array(),
-                array(),
-                true
-            ),
-            'existing_available_datetime_tickets_list' => '',
-            'existing_available_ticket_datetimes_list' => '',
-            'new_available_datetime_ticket_list_item'  => $this->_get_datetime_tickets_list_item(
-                'DTTNUM',
-                'TICKETNUM',
-                null,
-                null,
-                array(),
-                true
-            ),
-            'new_available_ticket_datetime_list_item'  => $this->_get_ticket_datetime_list_item(
-                'DTTNUM',
-                'TICKETNUM',
-                null,
-                null,
-                array(),
-                true
-            ),
-        );
-        $ticket_row = 1;
-        foreach ($all_tickets as $ticket) {
-            $template_args['existing_available_datetime_tickets_list'] .= $this->_get_datetime_tickets_list_item(
-                'DTTNUM',
-                $ticket_row,
-                null,
-                $ticket,
-                array(),
-                true
-            );
-            $ticket_row++;
-        }
-        $datetime_row = 1;
-        foreach ($all_datetimes as $datetime) {
-            $template_args['existing_available_ticket_datetimes_list'] .= $this->_get_ticket_datetime_list_item(
-                $datetime_row,
-                'TICKETNUM',
-                $datetime,
-                null,
-                array(),
-                true
-            );
-            $datetime_row++;
-        }
-        /** @var EEM_Price $price_model */
-        $price_model = EE_Registry::instance()->load_model('Price');
-        $default_prices = $price_model->get_all_default_prices();
-        $price_row = 1;
-        foreach ($default_prices as $price) {
-            if (! $price instanceof EE_Price) {
-                continue;
-            }
-            if ($price->is_base_price()) {
-                $template_args['default_base_price_amount'] = $price->get_pretty(
-                    'PRC_amount',
-                    'localized_float'
-                );
-                $template_args['default_base_price_name'] = $price->get('PRC_name');
-                $template_args['default_base_price_description'] = $price->get('PRC_desc');
-                $price_row++;
-                continue;
-            }
-            $show_trash = ! ((count($default_prices) > 1 && $price_row === 1)
-                             || count($default_prices) === 1);
-            $show_create = ! (count($default_prices) > 1
-                              && count($default_prices)
-                                 !== $price_row);
-            $template_args['default_price_rows'] .= $this->_get_ticket_price_row(
-                'TICKETNUM',
-                $price_row,
-                $price,
-                true,
-                null,
-                $show_trash,
-                $show_create
-            );
-            $price_row++;
-        }
-        $template_args = apply_filters(
-            'FHEE__espresso_events_Pricing_Hooks___get_ticket_js_structure__template_args',
-            $template_args,
-            $all_datetimes,
-            $all_tickets,
-            $this->_is_creating_event
-        );
-        return EEH_Template::display_template(
-            PRICING_TEMPLATE_PATH . 'event_tickets_datetime_ticket_js_structure.template.php',
-            $template_args,
-            true
-        );
-    }
+	/**
+	 * @param array $all_datetimes
+	 * @param array $all_tickets
+	 * @return mixed
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws DomainException
+	 * @throws EE_Error
+	 */
+	protected function _get_ticket_js_structure($all_datetimes = array(), $all_tickets = array())
+	{
+		$template_args = array(
+			'default_datetime_edit_row'                => $this->_get_dtt_edit_row(
+				'DTTNUM',
+				null,
+				true,
+				$all_datetimes
+			),
+			'default_ticket_row'                       => $this->_get_ticket_row(
+				'TICKETNUM',
+				null,
+				array(),
+				array(),
+				true
+			),
+			'default_price_row'                        => $this->_get_ticket_price_row(
+				'TICKETNUM',
+				'PRICENUM',
+				null,
+				true,
+				null
+			),
+			'default_price_rows'                       => '',
+			'default_base_price_amount'                => 0,
+			'default_base_price_name'                  => '',
+			'default_base_price_description'           => '',
+			'default_price_modifier_selector_row'      => $this->_get_price_modifier_template(
+				'TICKETNUM',
+				'PRICENUM',
+				null,
+				true
+			),
+			'default_available_tickets_for_datetime'   => $this->_get_dtt_attached_tickets_row(
+				'DTTNUM',
+				null,
+				array(),
+				array(),
+				true
+			),
+			'existing_available_datetime_tickets_list' => '',
+			'existing_available_ticket_datetimes_list' => '',
+			'new_available_datetime_ticket_list_item'  => $this->_get_datetime_tickets_list_item(
+				'DTTNUM',
+				'TICKETNUM',
+				null,
+				null,
+				array(),
+				true
+			),
+			'new_available_ticket_datetime_list_item'  => $this->_get_ticket_datetime_list_item(
+				'DTTNUM',
+				'TICKETNUM',
+				null,
+				null,
+				array(),
+				true
+			),
+		);
+		$ticket_row = 1;
+		foreach ($all_tickets as $ticket) {
+			$template_args['existing_available_datetime_tickets_list'] .= $this->_get_datetime_tickets_list_item(
+				'DTTNUM',
+				$ticket_row,
+				null,
+				$ticket,
+				array(),
+				true
+			);
+			$ticket_row++;
+		}
+		$datetime_row = 1;
+		foreach ($all_datetimes as $datetime) {
+			$template_args['existing_available_ticket_datetimes_list'] .= $this->_get_ticket_datetime_list_item(
+				$datetime_row,
+				'TICKETNUM',
+				$datetime,
+				null,
+				array(),
+				true
+			);
+			$datetime_row++;
+		}
+		/** @var EEM_Price $price_model */
+		$price_model = EE_Registry::instance()->load_model('Price');
+		$default_prices = $price_model->get_all_default_prices();
+		$price_row = 1;
+		foreach ($default_prices as $price) {
+			if (! $price instanceof EE_Price) {
+				continue;
+			}
+			if ($price->is_base_price()) {
+				$template_args['default_base_price_amount'] = $price->get_pretty(
+					'PRC_amount',
+					'localized_float'
+				);
+				$template_args['default_base_price_name'] = $price->get('PRC_name');
+				$template_args['default_base_price_description'] = $price->get('PRC_desc');
+				$price_row++;
+				continue;
+			}
+			$show_trash = ! ((count($default_prices) > 1 && $price_row === 1)
+							 || count($default_prices) === 1);
+			$show_create = ! (count($default_prices) > 1
+							  && count($default_prices)
+								 !== $price_row);
+			$template_args['default_price_rows'] .= $this->_get_ticket_price_row(
+				'TICKETNUM',
+				$price_row,
+				$price,
+				true,
+				null,
+				$show_trash,
+				$show_create
+			);
+			$price_row++;
+		}
+		$template_args = apply_filters(
+			'FHEE__espresso_events_Pricing_Hooks___get_ticket_js_structure__template_args',
+			$template_args,
+			$all_datetimes,
+			$all_tickets,
+			$this->_is_creating_event
+		);
+		return EEH_Template::display_template(
+			PRICING_TEMPLATE_PATH . 'event_tickets_datetime_ticket_js_structure.template.php',
+			$template_args,
+			true
+		);
+	}
 }

Spacing +75 added lines, -75 removed lines

@@ -153,7 +153,7 @@ 
             );
             $msg .= '</p><ul>';
             foreach ($format_validation as $error) {
-                $msg .= '<li>' . $error . '</li>';
+                $msg .= '<li>'.$error.'</li>';
             }
             $msg .= '</ul><p>';
             $msg .= sprintf(
@@ -182,11 +182,11 @@ 
         $this->_scripts_styles = array(
             'registers'   => array(
                 'ee-tickets-datetimes-css' => array(
-                    'url'  => PRICING_ASSETS_URL . 'event-tickets-datetimes.css',
+                    'url'  => PRICING_ASSETS_URL.'event-tickets-datetimes.css',
                     'type' => 'css',
                 ),
                 'ee-dtt-ticket-metabox'    => array(
-                    'url'     => PRICING_ASSETS_URL . 'ee-datetime-ticket-metabox.js',
+                    'url'     => PRICING_ASSETS_URL.'ee-datetime-ticket-metabox.js',
                     'depends' => array('ee-datepicker', 'ee-dialog', 'underscore'),
                 ),
             ),
@@ -210,9 +210,9 @@ 
                             'event_espresso'
                         ),
                         'cancel_button'           => '<button class="button-secondary ee-modal-cancel">'
-                                                     . esc_html__('Cancel', 'event_espresso') . '</button>',
+                                                     . esc_html__('Cancel', 'event_espresso').'</button>',
                         'close_button'            => '<button class="button-secondary ee-modal-cancel">'
-                                                     . esc_html__('Close', 'event_espresso') . '</button>',
+                                                     . esc_html__('Close', 'event_espresso').'</button>',
                         'single_warning_from_tkt' => esc_html__(
                             'The Datetime you are attempting to unassign from this ticket is the only remaining datetime for this ticket. Tickets must always have at least one datetime assigned to them.',
                             'event_espresso'
@@ -222,7 +222,7 @@ 
                             'event_espresso'
                         ),
                         'dismiss_button'          => '<button class="button-secondary ee-modal-cancel">'
-                                                     . esc_html__('Dismiss', 'event_espresso') . '</button>',
+                                                     . esc_html__('Dismiss', 'event_espresso').'</button>',
                     ),
                     'DTT_ERROR_MSG'         => array(
                         'no_ticket_name' => esc_html__('General Admission', 'event_espresso'),
@@ -314,7 +314,7 @@ 
         foreach ($data['edit_event_datetimes'] as $row => $datetime_data) {
             // trim all values to ensure any excess whitespace is removed.
             $datetime_data = array_map(
-                function ($datetime_data) {
+                function($datetime_data) {
                     return is_array($datetime_data) ? $datetime_data : trim($datetime_data);
                 },
                 $datetime_data
@@ -344,7 +344,7 @@ 
             );
             // if we have an id then let's get existing object first and then set the new values.
             // Otherwise we instantiate a new object for save.
-            if (! empty($datetime_data['DTT_ID'])) {
+            if ( ! empty($datetime_data['DTT_ID'])) {
                 $datetime = EE_Registry::instance()
                                        ->load_model('Datetime', array($timezone))
                                        ->get_one_by_ID($datetime_data['DTT_ID']);
@@ -358,7 +358,7 @@ 
                 // after the add_relation_to() the autosave replaces it.
                 // We need to do this so we dont' TRASH the parent DTT.
                 // (save the ID for both key and value to avoid duplications)
-                $saved_dtt_ids[ $datetime->ID() ] = $datetime->ID();
+                $saved_dtt_ids[$datetime->ID()] = $datetime->ID();
             } else {
                 $datetime = EE_Registry::instance()->load_class(
                     'Datetime',
@@ -394,8 +394,8 @@ 
             // because it is possible there was a new one created for the autosave.
             // (save the ID for both key and value to avoid duplications)
             $DTT_ID = $datetime->ID();
-            $saved_dtt_ids[ $DTT_ID ] = $DTT_ID;
-            $saved_dtt_objs[ $row ] = $datetime;
+            $saved_dtt_ids[$DTT_ID] = $DTT_ID;
+            $saved_dtt_objs[$row] = $datetime;
             // @todo if ANY of these updates fail then we want the appropriate global error message.
         }
         $event->save();
@@ -460,13 +460,13 @@ 
             $update_prices = $create_new_TKT = false;
             // figure out what datetimes were added to the ticket
             // and what datetimes were removed from the ticket in the session.
-            $starting_tkt_dtt_rows = explode(',', $data['starting_ticket_datetime_rows'][ $row ]);
-            $tkt_dtt_rows = explode(',', $data['ticket_datetime_rows'][ $row ]);
+            $starting_tkt_dtt_rows = explode(',', $data['starting_ticket_datetime_rows'][$row]);
+            $tkt_dtt_rows = explode(',', $data['ticket_datetime_rows'][$row]);
             $datetimes_added = array_diff($tkt_dtt_rows, $starting_tkt_dtt_rows);
             $datetimes_removed = array_diff($starting_tkt_dtt_rows, $tkt_dtt_rows);
             // trim inputs to ensure any excess whitespace is removed.
             $tkt = array_map(
-                function ($ticket_data) {
+                function($ticket_data) {
                     return is_array($ticket_data) ? $ticket_data : trim($ticket_data);
                 },
                 $tkt
@@ -488,8 +488,8 @@ 
             $base_price_id = isset($tkt['TKT_base_price_ID'])
                 ? $tkt['TKT_base_price_ID']
                 : 0;
-            $price_rows = is_array($data['edit_prices']) && isset($data['edit_prices'][ $row ])
-                ? $data['edit_prices'][ $row ]
+            $price_rows = is_array($data['edit_prices']) && isset($data['edit_prices'][$row])
+                ? $data['edit_prices'][$row]
                 : array();
             $now = null;
             if (empty($tkt['TKT_start_date'])) {
@@ -501,7 +501,7 @@ 
                 /**
                  * set the TKT_end_date to the first datetime attached to the ticket.
                  */
-                $first_dtt = $saved_datetimes[ reset($tkt_dtt_rows) ];
+                $first_dtt = $saved_datetimes[reset($tkt_dtt_rows)];
                 $tkt['TKT_end_date'] = $first_dtt->start_date_and_time($this->_date_time_format);
             }
             $TKT_values = array(
@@ -636,7 +636,7 @@ 
             // need to make sue that the TKT_price is accurate after saving the prices.
             $ticket->ensure_TKT_Price_correct();
             // handle CREATING a default tkt from the incoming tkt but ONLY if this isn't an autosave.
-            if (! defined('DOING_AUTOSAVE') && ! empty($tkt['TKT_is_default_selector'])) {
+            if ( ! defined('DOING_AUTOSAVE') && ! empty($tkt['TKT_is_default_selector'])) {
                 $update_prices = true;
                 $new_default = clone $ticket;
                 $new_default->set('TKT_ID', 0);
@@ -681,7 +681,7 @@ 
                 // save new TKT
                 $new_tkt->save();
                 // add new ticket to array
-                $saved_tickets[ $new_tkt->ID() ] = $new_tkt;
+                $saved_tickets[$new_tkt->ID()] = $new_tkt;
                 do_action(
                     'AHEE__espresso_events_Pricing_Hooks___update_tkts_new_ticket',
                     $new_tkt,
@@ -691,7 +691,7 @@ 
                 );
             } else {
                 // add tkt to saved tkts
-                $saved_tickets[ $ticket->ID() ] = $ticket;
+                $saved_tickets[$ticket->ID()] = $ticket;
                 do_action(
                     'AHEE__espresso_events_Pricing_Hooks___update_tkts_update_ticket',
                     $ticket,
@@ -758,22 +758,22 @@ 
         // to start we have to add the ticket to all the datetimes its supposed to be with,
         // and removing the ticket from datetimes it got removed from.
         // first let's add datetimes
-        if (! empty($added_datetimes) && is_array($added_datetimes)) {
+        if ( ! empty($added_datetimes) && is_array($added_datetimes)) {
             foreach ($added_datetimes as $row_id) {
                 $row_id = (int) $row_id;
-                if (isset($saved_datetimes[ $row_id ]) && $saved_datetimes[ $row_id ] instanceof EE_Datetime) {
-                    $ticket->_add_relation_to($saved_datetimes[ $row_id ], 'Datetime');
+                if (isset($saved_datetimes[$row_id]) && $saved_datetimes[$row_id] instanceof EE_Datetime) {
+                    $ticket->_add_relation_to($saved_datetimes[$row_id], 'Datetime');
                 }
             }
         }
         // then remove datetimes
-        if (! empty($removed_datetimes) && is_array($removed_datetimes)) {
+        if ( ! empty($removed_datetimes) && is_array($removed_datetimes)) {
             foreach ($removed_datetimes as $row_id) {
                 $row_id = (int) $row_id;
                 // its entirely possible that a datetime got deleted (instead of just removed from relationship.
                 // So make sure we skip over this if the dtt isn't in the $saved_datetimes array)
-                if (isset($saved_datetimes[ $row_id ]) && $saved_datetimes[ $row_id ] instanceof EE_Datetime) {
-                    $ticket->_remove_relation_to($saved_datetimes[ $row_id ], 'Datetime');
+                if (isset($saved_datetimes[$row_id]) && $saved_datetimes[$row_id] instanceof EE_Datetime) {
+                    $ticket->_remove_relation_to($saved_datetimes[$row_id], 'Datetime');
                 }
             }
         }
@@ -885,7 +885,7 @@ 
             );
         }
         // possibly need to save tkt
-        if (! $ticket->ID()) {
+        if ( ! $ticket->ID()) {
             $ticket->save();
         }
         foreach ($prices as $row => $prc) {
@@ -919,17 +919,17 @@ 
                 }
             }
             $price->save();
-            $updated_prices[ $price->ID() ] = $price;
+            $updated_prices[$price->ID()] = $price;
             $ticket->_add_relation_to($price, 'Price');
         }
         // now let's remove any prices that got removed from the ticket
-        if (! empty($current_prices_on_ticket)) {
+        if ( ! empty($current_prices_on_ticket)) {
             $current = array_keys($current_prices_on_ticket);
             $updated = array_keys($updated_prices);
             $prices_to_remove = array_diff($current, $updated);
-            if (! empty($prices_to_remove)) {
+            if ( ! empty($prices_to_remove)) {
                 foreach ($prices_to_remove as $prc_id) {
-                    $p = $current_prices_on_ticket[ $prc_id ];
+                    $p = $current_prices_on_ticket[$prc_id];
                     $ticket->_remove_relation_to($p, 'Price');
                     // delete permanently the price
                     $p->delete_permanently();
@@ -1080,18 +1080,18 @@ 
                 $TKT_ID = $ticket->get('TKT_ID');
                 $ticket_row = $ticket->get('TKT_row');
                 // we only want unique tickets in our final display!!
-                if (! in_array($TKT_ID, $existing_ticket_ids, true)) {
+                if ( ! in_array($TKT_ID, $existing_ticket_ids, true)) {
                     $existing_ticket_ids[] = $TKT_ID;
                     $all_tickets[] = $ticket;
                 }
                 // temporary cache of this ticket info for this datetime for later processing of datetime rows.
-                $datetime_tickets[ $DTT_ID ][] = $ticket_row;
+                $datetime_tickets[$DTT_ID][] = $ticket_row;
                 // temporary cache of this datetime info for this ticket for later processing of ticket rows.
                 if (
-                    ! isset($ticket_datetimes[ $TKT_ID ])
-                    || ! in_array($datetime_row, $ticket_datetimes[ $TKT_ID ], true)
+                    ! isset($ticket_datetimes[$TKT_ID])
+                    || ! in_array($datetime_row, $ticket_datetimes[$TKT_ID], true)
                 ) {
-                    $ticket_datetimes[ $TKT_ID ][] = $datetime_row;
+                    $ticket_datetimes[$TKT_ID][] = $datetime_row;
                 }
             }
             $datetime_row++;
@@ -1102,7 +1102,7 @@ 
         // sort $all_tickets by order
         usort(
             $all_tickets,
-            function (EE_Ticket $a, EE_Ticket $b) {
+            function(EE_Ticket $a, EE_Ticket $b) {
                 $a_order = (int) $a->get('TKT_order');
                 $b_order = (int) $b->get('TKT_order');
                 if ($a_order === $b_order) {
@@ -1143,16 +1143,16 @@ 
         $status_change_notice = EventEspresso\core\services\loaders\LoaderFactory::getLoader()->getShared(
             'EventEspresso\core\admin\StatusChangeNotice'
         );
-        if (! $status_change_notice->isDismissed()) {
+        if ( ! $status_change_notice->isDismissed()) {
             $main_template_args['status_change_notice'] = EEH_Template::display_template(
-                EE_ADMIN_TEMPLATE . 'status_change_notice.template.php',
+                EE_ADMIN_TEMPLATE.'status_change_notice.template.php',
                 ['context' => '__event-editor', 'page_slug' => 'espresso-events'],
                 true
             );
         }
 
         EEH_Template::display_template(
-            PRICING_TEMPLATE_PATH . 'event_tickets_metabox_main.template.php',
+            PRICING_TEMPLATE_PATH.'event_tickets_metabox_main.template.php',
             $main_template_args
         );
     }
@@ -1194,7 +1194,7 @@ 
             'dtt_row'                  => $default ? 'DTTNUM' : $datetime_row,
         );
         return EEH_Template::display_template(
-            PRICING_TEMPLATE_PATH . 'event_tickets_datetime_row_wrapper.template.php',
+            PRICING_TEMPLATE_PATH.'event_tickets_datetime_row_wrapper.template.php',
             $dtt_display_template_args,
             true
         );
@@ -1263,7 +1263,7 @@ 
             $this->_is_creating_event
         );
         return EEH_Template::display_template(
-            PRICING_TEMPLATE_PATH . 'event_tickets_datetime_edit_row.template.php',
+            PRICING_TEMPLATE_PATH.'event_tickets_datetime_edit_row.template.php',
             $template_args,
             true
         );
@@ -1304,7 +1304,7 @@ 
             'DTT_ID'                            => $default ? '' : $datetime->ID(),
         );
         // need to setup the list items (but only if this isn't a default skeleton setup)
-        if (! $default) {
+        if ( ! $default) {
             $ticket_row = 1;
             foreach ($all_tickets as $ticket) {
                 $template_args['datetime_tickets_list'] .= $this->_get_datetime_tickets_list_item(
@@ -1330,7 +1330,7 @@ 
             $this->_is_creating_event
         );
         return EEH_Template::display_template(
-            PRICING_TEMPLATE_PATH . 'event_tickets_datetime_attached_tickets_row.template.php',
+            PRICING_TEMPLATE_PATH.'event_tickets_datetime_attached_tickets_row.template.php',
             $template_args,
             true
         );
@@ -1356,8 +1356,8 @@ 
         $datetime_tickets = array(),
         $default
     ) {
-        $dtt_tkts = $datetime instanceof EE_Datetime && isset($datetime_tickets[ $datetime->ID() ])
-            ? $datetime_tickets[ $datetime->ID() ]
+        $dtt_tkts = $datetime instanceof EE_Datetime && isset($datetime_tickets[$datetime->ID()])
+            ? $datetime_tickets[$datetime->ID()]
             : array();
         $display_row = $ticket instanceof EE_Ticket ? $ticket->get('TKT_row') : 0;
         $no_ticket = $default && empty($ticket);
@@ -1378,8 +1378,8 @@ 
                 ? 'TKTNAME'
                 : $ticket->get('TKT_name'),
             'tkt_status_class'        => $no_ticket || $this->_is_creating_event
-                ? ' tkt-status-' . EE_Ticket::onsale
-                : ' tkt-status-' . $ticket->ticket_status(),
+                ? ' tkt-status-'.EE_Ticket::onsale
+                : ' tkt-status-'.$ticket->ticket_status(),
         );
         // filter template args
         $template_args = apply_filters(
@@ -1394,7 +1394,7 @@ 
             $this->_is_creating_event
         );
         return EEH_Template::display_template(
-            PRICING_TEMPLATE_PATH . 'event_tickets_datetime_dtt_tickets_list.template.php',
+            PRICING_TEMPLATE_PATH.'event_tickets_datetime_dtt_tickets_list.template.php',
             $template_args,
             true
         );
@@ -1450,19 +1450,19 @@ 
         // (otherwise there won't be any new relationships created for tickets based off of the default ticket).
         // This will future proof in case there is ever any behaviour change between what the primary_key defaults to.
         $default_dtt = $default || ($ticket instanceof EE_Ticket && $ticket->is_default());
-        $tkt_datetimes = $ticket instanceof EE_Ticket && isset($ticket_datetimes[ $ticket->ID() ])
-            ? $ticket_datetimes[ $ticket->ID() ]
+        $tkt_datetimes = $ticket instanceof EE_Ticket && isset($ticket_datetimes[$ticket->ID()])
+            ? $ticket_datetimes[$ticket->ID()]
             : array();
         $ticket_subtotal = $default ? 0 : $ticket->get_ticket_subtotal();
         $base_price = $default ? null : $ticket->base_price();
         $count_price_mods = EEM_Price::instance()->get_all_default_prices(true);
         // breaking out complicated condition for ticket_status
         if ($default) {
-            $ticket_status_class = ' tkt-status-' . EE_Ticket::onsale;
+            $ticket_status_class = ' tkt-status-'.EE_Ticket::onsale;
         } else {
             $ticket_status_class = $ticket->is_default()
-                ? ' tkt-status-' . EE_Ticket::onsale
-                : ' tkt-status-' . $ticket->ticket_status();
+                ? ' tkt-status-'.EE_Ticket::onsale
+                : ' tkt-status-'.$ticket->ticket_status();
         }
         // breaking out complicated condition for TKT_taxable
         if ($default) {
@@ -1554,7 +1554,7 @@ 
                 : ' style="display:none;"',
             'show_price_mod_button'         => count($prices) > 1
                                                || ($default && $count_price_mods > 0)
-                                               || (! $default && $ticket->deleted())
+                                               || ( ! $default && $ticket->deleted())
                 ? ' style="display:none;"'
                 : '',
             'total_price_rows'              => count($prices) > 1 ? count($prices) : 1,
@@ -1598,7 +1598,7 @@ 
                 $this->_date_time_format,
                 current_time('timestamp')
             );
-            $template_args['tkt_status_class'] = ' tkt-status-' . EE_Ticket::onsale;
+            $template_args['tkt_status_class'] = ' tkt-status-'.EE_Ticket::onsale;
         }
         if (empty($template_args['TKT_end_date'])) {
             // get the earliest datetime (if present);
@@ -1608,7 +1608,7 @@ 
                     array('order_by' => array('DTT_EVT_start' => 'ASC'))
                 )
                 : null;
-            if (! empty($earliest_dtt)) {
+            if ( ! empty($earliest_dtt)) {
                 $template_args['TKT_end_date'] = $earliest_dtt->get_datetime(
                     'DTT_EVT_start',
                     $this->_date_time_format
@@ -1627,10 +1627,10 @@ 
                     )
                 );
             }
-            $template_args['tkt_status_class'] = ' tkt-status-' . EE_Ticket::onsale;
+            $template_args['tkt_status_class'] = ' tkt-status-'.EE_Ticket::onsale;
         }
         // generate ticket_datetime items
-        if (! $default) {
+        if ( ! $default) {
             $datetime_row = 1;
             foreach ($all_datetimes as $datetime) {
                 $template_args['ticket_datetimes_list'] .= $this->_get_ticket_datetime_list_item(
@@ -1646,7 +1646,7 @@ 
         }
         $price_row = 1;
         foreach ($prices as $price) {
-            if (! $price instanceof EE_Price) {
+            if ( ! $price instanceof EE_Price) {
                 continue;
             }
             if ($price->is_base_price()) {
@@ -1679,7 +1679,7 @@ 
             $this->_is_creating_event
         );
         return EEH_Template::display_template(
-            PRICING_TEMPLATE_PATH . 'event_tickets_datetime_ticket_row.template.php',
+            PRICING_TEMPLATE_PATH.'event_tickets_datetime_ticket_row.template.php',
             $template_args,
             true
         );
@@ -1719,7 +1719,7 @@ 
                 $this->_is_creating_event
             );
             $tax_rows .= EEH_Template::display_template(
-                PRICING_TEMPLATE_PATH . 'event_tickets_datetime_ticket_tax_row.template.php',
+                PRICING_TEMPLATE_PATH.'event_tickets_datetime_ticket_tax_row.template.php',
                 $template_args,
                 true
             );
@@ -1838,7 +1838,7 @@ 
             $this->_is_creating_event
         );
         return EEH_Template::display_template(
-            PRICING_TEMPLATE_PATH . 'event_tickets_datetime_ticket_price_row.template.php',
+            PRICING_TEMPLATE_PATH.'event_tickets_datetime_ticket_price_row.template.php',
             $template_args,
             true
         );
@@ -1908,7 +1908,7 @@ 
             $this->_is_creating_event
         );
         return EEH_Template::display_template(
-            PRICING_TEMPLATE_PATH . 'event_tickets_datetime_price_type_base.template.php',
+            PRICING_TEMPLATE_PATH.'event_tickets_datetime_price_type_base.template.php',
             $template_args,
             true
         );
@@ -1938,7 +1938,7 @@ 
     ) {
         $select_name = $default && ! $price instanceof EE_Price
             ? 'edit_prices[TICKETNUM][PRICENUM][PRT_ID]'
-            : 'edit_prices[' . $ticket_row . '][' . $price_row . '][PRT_ID]';
+            : 'edit_prices['.$ticket_row.']['.$price_row.'][PRT_ID]';
         /** @var EEM_Price_Type $price_type_model */
         $price_type_model = EE_Registry::instance()->load_model('Price_Type');
         $price_types = $price_type_model->get_all(array(
@@ -1956,10 +1956,10 @@ 
         $price_option_spans = '';
         // setup price types for selector
         foreach ($price_types as $price_type) {
-            if (! $price_type instanceof EE_Price_Type) {
+            if ( ! $price_type instanceof EE_Price_Type) {
                 continue;
             }
-            $all_price_types[ $price_type->ID() ] = $price_type->get('PRT_name');
+            $all_price_types[$price_type->ID()] = $price_type->get('PRT_name');
             // while we're in the loop let's setup the option spans used by js
             $span_args = array(
                 'PRT_ID'         => $price_type->ID(),
@@ -1967,12 +1967,12 @@ 
                 'PRT_is_percent' => $price_type->get('PRT_is_percent') ? 1 : 0,
             );
             $price_option_spans .= EEH_Template::display_template(
-                PRICING_TEMPLATE_PATH . 'event_tickets_datetime_price_option_span.template.php',
+                PRICING_TEMPLATE_PATH.'event_tickets_datetime_price_option_span.template.php',
                 $span_args,
                 true
             );
         }
-        $select_name = $disabled ? 'archive_price[' . $ticket_row . '][' . $price_row . '][PRT_ID]'
+        $select_name = $disabled ? 'archive_price['.$ticket_row.']['.$price_row.'][PRT_ID]'
             : $select_name;
         $select_input = new EE_Select_Input(
             $all_price_types,
@@ -2009,7 +2009,7 @@ 
             $this->_is_creating_event
         );
         return EEH_Template::display_template(
-            PRICING_TEMPLATE_PATH . 'event_tickets_datetime_price_modifier_selector.template.php',
+            PRICING_TEMPLATE_PATH.'event_tickets_datetime_price_modifier_selector.template.php',
             $template_args,
             true
         );
@@ -2035,8 +2035,8 @@ 
         $ticket_datetimes = array(),
         $default
     ) {
-        $tkt_datetimes = $ticket instanceof EE_Ticket && isset($ticket_datetimes[ $ticket->ID() ])
-            ? $ticket_datetimes[ $ticket->ID() ]
+        $tkt_datetimes = $ticket instanceof EE_Ticket && isset($ticket_datetimes[$ticket->ID()])
+            ? $ticket_datetimes[$ticket->ID()]
             : array();
         $template_args = array(
             'dtt_row'                  => $default && ! $datetime instanceof EE_Datetime
@@ -2068,7 +2068,7 @@ 
             $this->_is_creating_event
         );
         return EEH_Template::display_template(
-            PRICING_TEMPLATE_PATH . 'event_tickets_datetime_ticket_datetimes_list_item.template.php',
+            PRICING_TEMPLATE_PATH.'event_tickets_datetime_ticket_datetimes_list_item.template.php',
             $template_args,
             true
         );
@@ -2174,7 +2174,7 @@ 
         $default_prices = $price_model->get_all_default_prices();
         $price_row = 1;
         foreach ($default_prices as $price) {
-            if (! $price instanceof EE_Price) {
+            if ( ! $price instanceof EE_Price) {
                 continue;
             }
             if ($price->is_base_price()) {
@@ -2211,7 +2211,7 @@ 
             $this->_is_creating_event
         );
         return EEH_Template::display_template(
-            PRICING_TEMPLATE_PATH . 'event_tickets_datetime_ticket_js_structure.template.php',
+            PRICING_TEMPLATE_PATH.'event_tickets_datetime_ticket_js_structure.template.php',
             $template_args,
             true
         );