eventespresso / event-espresso-core

core/admin/EE_Admin_Hooks.core.php

Indentation +763 added lines, -763 removed lines

@@ -14,767 +14,767 @@
  */
 abstract class EE_Admin_Hooks extends EE_Base
 {
-    /**
-     * we're just going to use this to hold the name of the caller class (child class name)
-     *
-     * @var string
-     */
-    public $caller;
-
-
-    /**
-     * this is just a flag set automatically to indicate whether we've got an extended hook class running (i.e.
-     * espresso_events_Registration_Form_Hooks_Extend extends espresso_events_Registration_Form_Hooks).  This flag is
-     * used later to make sure we require the needed files.
-     *
-     * @var bool
-     */
-    protected $_extend;
-
-
-    /**
-     * child classes MUST set this property so that the page object can be loaded correctly
-     *
-     * @var string
-     */
-    protected $_name;
-
-
-    /**
-     * This is set by child classes and is an associative array of ajax hooks in the format:
-     * array(
-     *    'ajax_action_ref' => 'executing_method'; //must be public
-     * )
-     *
-     * @var array
-     */
-    protected $_ajax_func;
-
-
-    /**
-     * This is an array of methods that get executed on a page routes admin_init hook. Use the following format:
-     * array(
-     *    'page_route' => 'executing_method' //must be public
-     * )
-     *
-     * @var array
-     */
-    protected $_init_func;
-
-
-    /**
-     * This is an array of methods that output metabox content for the given page route.  Use the following format:
-     * [
-     *      0 => [
-     *          'page_route' => 'string_for_page_route',    must correspond to a page route in the class being connected
-     *                                                      with (i.e. "edit_event") If this is in an array then the
-     *                                                      same params below will be used but the metabox will be
-     *                                                      added to each route.
-     *          'func' =>  'executing_method',              must be public (i.e. public function executing_method
-     *                                                      ($post, $callback_args){} ).
-     *                                                      Note if you include callback args in the array then you
-     *                                                      need to declare them in the method arguments.
-     *          'id' => 'identifier_for_metabox',           so it can be removed by addons
-     *                                                      (optional, class will set it automatically)
-     *          'priority' => 'default',                    default 'default' (optional)
-     *          'label' => esc_html__('Localized Title', 'event_espresso'),
-     *          'context' => 'advanced'                     advanced is default (optional),
-     *      ]
-     *      'callback_args' => array() //any callback args to include (optional)
-     * ]
-     * Why are we indexing numerically?  Because it's possible there may be more than one metabox per page_route.
-     *
-     * @var array
-     */
-    protected $_metaboxes;
-
-
-    /**
-     * This is an array of values that indicate any metaboxes we want removed from a given page route.  Usually this is
-     * used when caffeinated functionality is replacing decaffeinated functionality.  Use the following format for the
-     * array: array(
-     *    0 => array(
-     *        'page_route' => 'string_for_page_route' //can be string or array of strings that match a page_route(s)
-     *        that are in the class being connected with (i.e. 'edit', or 'create_new').
-     *        'id' => 'identifier_for_metabox', //what the id is of the metabox being removed
-     *        'context' => 'normal', //the context for the metabox being removed (has to match)
-     *        'screen' => 'screen_id', //(optional), if not included then this class will attempt to remove the metabox
-     *        using the currently loaded screen object->id  however, there may be cases where you have to specify the
-     *        id for the screen the metabox is on.
-     *    )
-     * )
-     *
-     * @var array
-     */
-    protected $_remove_metaboxes;
-
-
-    /**
-     * This parent class takes care of loading the scripts and styles if the child class has set the properties for
-     * them in the following format.  Note, the first array index ('register') is for defining all the registers.  The
-     * second array index is for indicating what routes each script/style loads on. array(
-     * 'registers' => array(
-     *        'script_ref' => array( // if more than one script is to be loaded its best to use the 'dependency'
-     *        argument to link scripts together.
-     *            'type' => 'js' // 'js' or 'css' (defaults to js).  This tells us what type of wp_function to use
-     *            'url' => 'http://urltoscript.css.js',
-     *            'depends' => array('jquery'), //an array of dependencies for the scripts. REMEMBER, if a script has
-     *            already been registered elsewhere in the system.  You can just use the depends array to make sure it
-     *            gets loaded before the one you are setting here.
-     *            'footer' => TRUE //defaults to true (styles don't use this parameter)
-     *        ),
-     *    'enqueues' => array( //this time each key corresponds to the script ref followed by an array of page routes
-     *    the script gets enqueued on.
-     *        'script_ref' => array('route_one', 'route_two')
-     *    ),
-     *    'localize' => array( //this allows you to set a localized object.  Indicate which script the object is being
-     *    attached to and then include an array indexed by the name of the object and the array of key/value pairs for
-     *    the object.
-     *        'scrip_ref' => array(
-     *            'NAME_OF_JS_OBJECT' => array(
-     *                'translate_ref' => esc_html__('localized_string', 'event_espresso'),
-     *                'some_data' => 5
-     *            )
-     *        )
-     *    )
-     * )
-     *
-     * @var array
-     */
-    protected $_scripts_styles;
-
-
-    /**
-     * This is a property that will contain the current route.
-     *
-     * @var string;
-     */
-    protected $_current_route;
-
-
-    /**
-     * this optional property can be set by child classes to override the priority for the automatic action/filter hook
-     * loading in the `_load_routed_hooks()` method.  Please follow this format: array(
-     *    'wp_hook_reference' => 1
-     *    )
-     * )
-     *
-     * @var array
-     */
-    protected $_wp_action_filters_priority;
-
-
-    /**
-     * This just holds a merged array of the request vars
-     *
-     * @var array
-     */
-    protected $_req_data;
-
-    /**
-     * @var array
-     */
-    protected $_scripts;
-
-    /**
-     * @var array
-     */
-    protected $_styles;
-
-    /**
-     * This just holds an instance of the page object for this hook
-     *
-     * @var EE_Admin_Page
-     */
-    protected $_page_object;
-
-
-    /**
-     * This holds the EE_Admin_Page object from the calling admin page that this object hooks into.
-     *
-     * @var EE_Admin_Page|EE_Admin_Page_CPT
-     */
-    protected $_adminpage_obj;
-
-
-    /**
-     * Holds EE_Registry object
-     *
-     * @var EE_Registry
-     */
-    protected $EE = null;
-
-    /**
-     * @var RequestInterface
-     */
-    protected $request;
-
-
-    /**
-     * constructor
-     *
-     * @param EE_Admin_Page $admin_page
-     * @throws EE_Error
-     */
-    public function __construct(EE_Admin_Page $admin_page)
-    {
-        $this->_adminpage_obj = $admin_page;
-        $this->request        = LoaderFactory::getLoader()->getShared(RequestInterface::class);
-        $this->_req_data      = $this->request->requestParams();
-        $page = $this->request->getRequestParam('page');
-        $current_page = $this->request->getRequestParam('current_page', $page);
-        // first let's verify we're on the right page
-        if ($current_page !== $this->_adminpage_obj->page_slug) {
-            return;
-        }
-        $this->_set_defaults();
-        $this->_set_hooks_properties();
-        // get out nothing more to be done here.
-        // allow for extends to modify properties
-        if (method_exists($this, '_extend_properties')) {
-            $this->_extend_properties();
-        }
-        $this->_set_page_object();
-        $this->_init_hooks();
-        $this->_load_custom_methods();
-        $this->_load_routed_hooks();
-        add_action('admin_enqueue_scripts', [$this, 'enqueue_scripts_styles']);
-        add_action('admin_enqueue_scripts', [$this, 'add_metaboxes'], 20);
-        add_action('admin_enqueue_scripts', [$this, 'remove_metaboxes'], 15);
-        $this->_ajax_hooks();
-    }
-
-
-    /**
-     * used by child classes to set the following properties:
-     * $_ajax_func (optional)
-     * $_init_func (optional)
-     * $_metaboxes (optional)
-     * $_scripts (optional)
-     * $_styles (optional)
-     * $_name (required)
-     * Also in this method will be registered any scripts or styles loaded on the targeted page (as indicated in the
-     * _scripts/_styles properties) Also children should place in this method any filters/actions that have to happen
-     * really early on page load (just after admin_init) if they want to have them registered for handling early.
-     *
-     * @abstract
-     * @return void
-     */
-    abstract protected function _set_hooks_properties();
-
-
-    /**
-     * The hooks for enqueue_scripts and enqueue_styles will be run in here.  Child classes need to define their
-     * scripts and styles in the relevant $_scripts and $_styles properties.  Child classes must have also already
-     * registered the scripts and styles using wp_register_script and wp_register_style functions.
-     *
-     * @return void
-     * @throws EE_Error
-     */
-    public function enqueue_scripts_styles()
-    {
-        if (! empty($this->_scripts_styles)) {
-            // first let's do all the registrations
-            if (! isset($this->_scripts_styles['registers'])) {
-                $msg[] = esc_html__(
-                    'There is no "registers" index in the <code>$this->_scripts_styles</code> property.',
-                    'event_espresso'
-                );
-                $msg[] = sprintf(
-                    esc_html__(
-                        'Make sure you read the phpdoc comments above the definition of the $_scripts_styles property in the <code>EE_Admin_Hooks</code> class and modify according in the %s child',
-                        'event_espresso'
-                    ),
-                    '<strong>' . $this->caller . '</strong>'
-                );
-                throw new EE_Error(implode('||', $msg));
-            }
-            $defaults = [
-                'type'    => 'js',
-                'url'     => '',
-                'depends' => [],
-                'version' => EVENT_ESPRESSO_VERSION,
-                'footer'  => true,
-            ];
-            foreach ($this->_scripts_styles['registers'] as $ref => $details) {
-                $details = wp_parse_args($details, $defaults);
-                $type    = $details['type'];
-                $url     = $details['url'];
-                $depends = $details['depends'];
-                $version = $details['version'];
-                $footer  = $details['footer'];
-                // let's make sure that we set the 'registers' type if it's not set!
-                // We need it later to determine which enqueue we do
-                $this->_scripts_styles['registers'][ $ref ]['type'] = $type;
-                // let's make sure we're not missing any REQUIRED parameters
-                if (empty($url)) {
-                    $msg[] = sprintf(
-                        esc_html__('Missing the url for the requested %s', 'event_espresso'),
-                        $type == 'js' ? 'script' : 'stylesheet'
-                    );
-                    $msg[] = sprintf(
-                        esc_html__(
-                            'Doublecheck your <code>$this->_scripts_styles</code> array in %s and make sure that there is a "url" set for the %s ref',
-                            'event_espresso'
-                        ),
-                        '<strong>' . $this->caller . '</strong>',
-                        $ref
-                    );
-                    throw new EE_Error(implode('||', $msg));
-                }
-                // made it here so let's do the appropriate registration
-                $type == 'js'
-                    ? wp_register_script($ref, $url, $depends, $version, $footer)
-                    : wp_register_style(
-                        $ref,
-                        $url,
-                        $depends,
-                        $version
-                    );
-            }
-            // k now let's do the enqueues
-            if (! isset($this->_scripts_styles['enqueues'])) {
-                return;
-            }  //not sure if we should throw an error here or not.
-
-            foreach ($this->_scripts_styles['enqueues'] as $ref => $routes) {
-                // make sure $routes is an array
-                $routes = (array) $routes;
-                if (in_array($this->_current_route, $routes)) {
-                    $this->_scripts_styles['registers'][ $ref ]['type'] == 'js' ? wp_enqueue_script($ref)
-                        : wp_enqueue_style($ref);
-                    // if we have a localization for the script let's do that too.
-                    if (isset($this->_scripts_styles['localize'][ $ref ])) {
-                        foreach ($this->_scripts_styles['localize'][ $ref ] as $object_name => $indexes) {
-                            wp_localize_script(
-                                $ref,
-                                $object_name,
-                                $this->_scripts_styles['localize'][ $ref ][ $object_name ]
-                            );
-                        }
-                    }
-                }
-            }
-            // let's do the deregisters
-            if (! isset($this->_scripts_styles['deregisters'])) {
-                return;
-            }
-            foreach ($this->_scripts_styles['deregisters'] as $ref => $details) {
-                $defaults = ['type' => 'js'];
-                $details  = wp_parse_args($details, $defaults);
-                $details['type'] === 'js' ? wp_deregister_script($ref) : wp_deregister_style($ref);
-            }
-        }
-    }
-
-
-    /**
-     * just set the defaults for the hooks properties.
-     *
-     * @return void
-     */
-    private function _set_defaults()
-    {
-        $this->_ajax_func                  = [];
-        $this->_init_func                  = [];
-        $this->_metaboxes                  = [];
-        $this->_scripts                    = [];
-        $this->_styles                     = [];
-        $this->_wp_action_filters_priority = [];
-        $this->_current_route              = $this->getCurrentRoute();
-        $this->caller                      = get_class($this);
-        $this->_extend                     = (bool) stripos($this->caller, 'Extend');
-    }
-
-
-    /**
-     * A helper for determining the current route.
-     *
-     * @return string
-     */
-    private function getCurrentRoute()
-    {
-        $action = $this->request->getRequestParam('action');
-        // list tables do something else with 'action' for bulk actions.
-        $action = $action !== '-1' && $action !== '' ? $action : 'default';
-        $route  = $this->request->getRequestParam('route');
-        // we set a 'route' variable in some cases where action is being used by something else.
-        return $action === 'default' && $route !== '' ? $route : $action;
-    }
-
-
-    /**
-     * this sets the _page_object property
-     *
-     * @return void
-     * @throws EE_Error
-     */
-    protected function _set_page_object()
-    {
-        if ($this->_page_object instanceof EE_Admin_Page) {
-            return;
-        }
-        // first make sure $this->_name is set
-        if (empty($this->_name)) {
-            $msg[] = esc_html__('We can\'t load the page object', 'event_espresso');
-            $msg[] = sprintf(
-                esc_html__("This is because the %s child class has not set the '_name' property", 'event_espresso'),
-                $this->caller
-            );
-            throw new EE_Error(implode('||', $msg));
-        }
-        // change "the_message" to "the message"
-        $class_name = str_replace('_', ' ', $this->_name);
-        // change "the message" to "The_Message_Admin_Page"
-        $class_name = str_replace(' ', '_', ucwords($class_name)) . '_Admin_Page';
-        // first default file (if exists)
-        $decaf_file = EE_ADMIN_PAGES . $this->_name . '/' . $class_name . '.core.php';
-        if (is_readable($decaf_file)) {
-            require_once($decaf_file);
-        }
-        // now we have to do require for extended file (if needed)
-        if ($this->_extend) {
-            require_once(EE_CORE_CAF_ADMIN_EXTEND . $this->_name . '/Extend_' . $class_name . '.core.php');
-            // and extend the class name as well
-            $class_name = 'Extend_' . $class_name;
-        }
-        // let's make sure the class exists
-        if (! class_exists($class_name)) {
-            $msg[] = esc_html__('We can\'t load the page object', 'event_espresso');
-            $msg[] = sprintf(
-                esc_html__(
-                    'The class name that was given is %s. Check the spelling and make sure its correct, also there needs to be an autoloader setup for the class',
-                    'event_espresso'
-                ),
-                $class_name
-            );
-            throw new EE_Error(implode('||', $msg));
-        }
-        $this->_page_object = LoaderFactory::getLoader()->getShared($class_name, [false]);
-        $this->_page_object->initializePage();
-    }
-
-
-    /**
-     * Child "hook" classes can declare any methods that they want executed when a specific page route is loaded.  The
-     * advantage of this is when doing things like running our own db interactions on saves etc.  Remember that
-     * $this->_req_data (all the _POST and _GET data) is available to your methods.
-     *
-     * @return void
-     */
-    private function _load_custom_methods()
-    {
-        /**
-         * method cannot be named 'default' (@see http://us3.php
-         * .net/manual/en/reserved.keywords.php) so need to
-         * handle routes that are "default"
-         *
-         * @since 4.3.0
-         */
-        $method_callback = $this->_current_route == 'default' ? 'default_callback' : $this->_current_route;
-        // these run before the Admin_Page route executes.
-        if (method_exists($this, $method_callback)) {
-            call_user_func([$this, $method_callback]);
-        }
-        // these run via the _redirect_after_action method in EE_Admin_Page which usually happens after non_UI methods in EE_Admin_Page classes.  There are two redirect actions, the first fires before $query_args might be manipulated by "save and close" actions and the seond fires right before the actual redirect happens.
-        // first the actions
-        // note that these action hooks will have the $query_args value available.
-        $admin_class_name = get_class($this->_adminpage_obj);
-        if (method_exists($this, '_redirect_action_early_' . $this->_current_route)) {
-            add_action(
-                'AHEE__'
-                . $admin_class_name
-                . '___redirect_after_action__before_redirect_modification_'
-                . $this->_current_route,
-                [$this, '_redirect_action_early_' . $this->_current_route],
-                10
-            );
-        }
-        if (method_exists($this, '_redirect_action_' . $this->_current_route)) {
-            add_action(
-                'AHEE_redirect_' . $admin_class_name . $this->_current_route,
-                [$this, '_redirect_action_' . $this->_current_route],
-                10
-            );
-        }
-        // let's hook into the _redirect itself and allow for changing where the user goes after redirect.  This will have $query_args and $redirect_url available.
-        if (method_exists($this, '_redirect_filter_' . $this->_current_route)) {
-            add_filter(
-                'FHEE_redirect_' . $admin_class_name . $this->_current_route,
-                [$this, '_redirect_filter_' . $this->_current_route],
-                10,
-                2
-            );
-        }
-    }
-
-
-    /**
-     * This method will search for a corresponding method with a name matching the route and the wp_hook to run.  This
-     * allows child hook classes to target hooking into a specific wp action or filter hook ONLY on a certain route.
-     * just remember, methods MUST be public Future hooks should be added in here to be access by child classes.
-     *
-     * @return void
-     */
-    private function _load_routed_hooks()
-    {
-
-        // this array provides the hook action names that will be referenced.  Key is the action. Value is an array with the type (action or filter) and the number of parameters for the hook.  We'll default all priorities for automatic hooks to 10.
-        $hook_filter_array = [
-            'admin_footer'                                                                            => [
-                'type'     => 'action',
-                'argnum'   => 1,
-                'priority' => 10,
-            ],
-            'FHEE_list_table_views_' . $this->_adminpage_obj->page_slug . '_' . $this->_current_route => [
-                'type'     => 'filter',
-                'argnum'   => 1,
-                'priority' => 10,
-            ],
-            'FHEE_list_table_views_' . $this->_adminpage_obj->page_slug                               => [
-                'type'     => 'filter',
-                'argnum'   => 1,
-                'priority' => 10,
-            ],
-            'FHEE_list_table_views'                                                                   => [
-                'type'     => 'filter',
-                'argnum'   => 1,
-                'priority' => 10,
-            ],
-            'AHEE__EE_Admin_Page___display_admin_page__modify_metaboxes'                              => [
-                'type'     => 'action',
-                'argnum'   => 1,
-                'priority' => 10,
-            ],
-        ];
-        foreach ($hook_filter_array as $hook => $args) {
-            if (method_exists($this, $this->_current_route . '_' . $hook)) {
-                if (isset($this->_wp_action_filters_priority[ $hook ])) {
-                    $args['priority'] = $this->_wp_action_filters_priority[ $hook ];
-                }
-                if ($args['type'] == 'action') {
-                    add_action(
-                        $hook,
-                        [$this, $this->_current_route . '_' . $hook],
-                        $args['priority'],
-                        $args['argnum']
-                    );
-                } else {
-                    add_filter(
-                        $hook,
-                        [$this, $this->_current_route . '_' . $hook],
-                        $args['priority'],
-                        $args['argnum']
-                    );
-                }
-            }
-        }
-    }
-
-
-    /**
-     * Loop throught the $_ajax_func array and add_actions for the array.
-     *
-     * @return void
-     * @throws EE_Error
-     */
-    private function _ajax_hooks()
-    {
-        if (empty($this->_ajax_func)) {
-            return;
-        } //get out there's nothing to take care of.
-        foreach ($this->_ajax_func as $action => $method) {
-            // make sure method exists
-            if (! method_exists($this, $method)) {
-                $msg[] = esc_html__(
-                    'There is no corresponding method for the hook labeled in the _ajax_func array',
-                    'event_espresso'
-                ) . '<br />';
-                $msg[] = sprintf(
-                    esc_html__(
-                        'The method name given in the array is %s, check the spelling and make sure it exists in the %s class',
-                        'event_espresso'
-                    ),
-                    $method,
-                    $this->caller
-                );
-                throw new EE_Error(implode('||', $msg));
-            }
-            add_action('wp_ajax_' . $action, [$this, $method]);
-        }
-    }
-
-
-    /**
-     * Loop throught the $_init_func array and add_actions for the array.
-     *
-     * @return void
-     * @throws EE_Error
-     */
-    protected function _init_hooks()
-    {
-        if (empty($this->_init_func)) {
-            return;
-        }
-        // get out there's nothing to take care of.
-        // We need to determine what page_route we are on!
-        foreach ($this->_init_func as $route => $method) {
-            // make sure method exists
-            if (! method_exists($this, $method)) {
-                $msg[] = esc_html__(
-                    'There is no corresponding method for the hook labeled in the _init_func array',
-                    'event_espresso'
-                ) . '<br />';
-                $msg[] = sprintf(
-                    esc_html__(
-                        'The method name given in the array is %s, check the spelling and make sure it exists in the %s class',
-                        'event_espresso'
-                    ),
-                    $method,
-                    $this->caller
-                );
-                throw new EE_Error(implode('||', $msg));
-            }
-            if ($route == $this->_current_route) {
-                add_action('admin_init', [$this, $method]);
-            }
-        }
-    }
-
-
-    /**
-     * Loop through the _metaboxes property and add_metaboxes accordingly
-     * //todo we could eventually make this a config component class (i.e. new EE_Metabox);
-     *
-     * @return void
-     * @throws EE_Error
-     */
-    public function add_metaboxes()
-    {
-        if (empty($this->_metaboxes)) {
-            return;
-        } //get out we don't have any metaboxes to set for this connection
-        $this->_handle_metabox_array($this->_metaboxes);
-    }
-
-
-    /**
-     * @param array $boxes
-     * @param bool  $add
-     * @throws EE_Error
-     */
-    private function _handle_metabox_array(array $boxes, $add = true)
-    {
-        foreach ($boxes as $box) {
-            if (! isset($box['page_route'])) {
-                continue;
-            }
-            // we don't have a valid array
-            // let's make sure $box['page_route'] is an array so the "foreach" will work.
-            $box['page_route'] = (array) $box['page_route'];
-            foreach ($box['page_route'] as $route) {
-                if ($route != $this->_current_route) {
-                    continue;
-                } //get out we only add metaboxes for set route.
-                if ($add) {
-                    $this->_add_metabox($box);
-                } else {
-                    $this->_remove_metabox($box);
-                }
-            }
-        }
-    }
-
-
-    /**
-     * Loop through the _remove_metaboxes property and remove metaboxes accordingly.
-     *
-     * @return void
-     * @throws EE_Error
-     */
-    public function remove_metaboxes()
-    {
-        if (empty($this->_remove_metaboxes)) {
-            return;
-        } //get out there are no metaboxes to remove
-        $this->_handle_metabox_array($this->_remove_metaboxes, false);
-    }
-
-
-    /**
-     * This just handles adding a metabox
-     *
-     * @param array $args an array of args that have been set for this metabox by the child class
-     * @throws EE_Error
-     */
-    private function _add_metabox($args)
-    {
-        $current_screen = get_current_screen();
-        $screen_id      = is_object($current_screen) ? $current_screen->id : null;
-        $callback       = $args['func'] ?? 'some_invalid_callback';
-        $callback_function = is_array($callback) ? end($callback) : $callback;
-        // set defaults
-        $defaults      = [
-            'callback_args' => [],
-            'context'       => 'advanced',
-            'func'          => $callback,
-            'id'            => $this->caller . '_' . $callback_function . '_metabox',
-            'label'         => $this->caller,
-            'page'          => isset($args['page']) ? $args['page'] : $screen_id,
-            'priority'      => 'default',
-        ];
-        $args          = wp_parse_args($args, $defaults);
-        $callback_args = $args['callback_args'];
-        $context       = $args['context'];
-        $id            = $args['id'];
-        $label         = $args['label'];
-        $page          = $args['page'];
-        $priority      = $args['priority'];
-        // make sure method exists
-        if (! method_exists($this, $callback_function)) {
-            $msg[] =
-                esc_html__('There is no corresponding method to display the metabox content', 'event_espresso')
-                . '<br />';
-            $msg[] = sprintf(
-                esc_html__(
-                    'The method name given in the array is %s, check the spelling and make sure it exists in the %s class',
-                    'event_espresso'
-                ),
-                $callback_function,
-                $this->caller
-            );
-            throw new EE_Error(implode('||', $msg));
-        }
-        // everything checks out so let's add the metabox
-        add_meta_box($id, $label, [$this, $callback_function], $page, $context, $priority, $callback_args);
-        add_filter(
-            "postbox_classes_{$page}_{$id}",
-            function ($classes) {
-                array_push($classes, 'ee-admin-container');
-                return $classes;
-            }
-        );
-    }
-
-
-    private function _remove_metabox($args)
-    {
-        $current_screen = get_current_screen();
-        $screen_id      = is_object($current_screen) ? $current_screen->id : null;
-        $func           = isset($args['func']) ? $args['func'] : 'some_invalid_callback';
-        // set defaults
-        $defaults = [
-            'context' => 'default',
-            'id'      => isset($args['id'])
-                ? $args['id']
-                : $this->_current_route . '_' . $this->caller . '_' . $func . '_metabox',
-            'screen'  => isset($args['screen']) ? $args['screen'] : $screen_id,
-        ];
-        $args     = wp_parse_args($args, $defaults);
-        $context  = $args['context'];
-        $id       = $args['id'];
-        $screen   = $args['screen'];
-        // everything checks out so lets remove the box!
-        remove_meta_box($id, $screen, $context);
-    }
+	/**
+	 * we're just going to use this to hold the name of the caller class (child class name)
+	 *
+	 * @var string
+	 */
+	public $caller;
+
+
+	/**
+	 * this is just a flag set automatically to indicate whether we've got an extended hook class running (i.e.
+	 * espresso_events_Registration_Form_Hooks_Extend extends espresso_events_Registration_Form_Hooks).  This flag is
+	 * used later to make sure we require the needed files.
+	 *
+	 * @var bool
+	 */
+	protected $_extend;
+
+
+	/**
+	 * child classes MUST set this property so that the page object can be loaded correctly
+	 *
+	 * @var string
+	 */
+	protected $_name;
+
+
+	/**
+	 * This is set by child classes and is an associative array of ajax hooks in the format:
+	 * array(
+	 *    'ajax_action_ref' => 'executing_method'; //must be public
+	 * )
+	 *
+	 * @var array
+	 */
+	protected $_ajax_func;
+
+
+	/**
+	 * This is an array of methods that get executed on a page routes admin_init hook. Use the following format:
+	 * array(
+	 *    'page_route' => 'executing_method' //must be public
+	 * )
+	 *
+	 * @var array
+	 */
+	protected $_init_func;
+
+
+	/**
+	 * This is an array of methods that output metabox content for the given page route.  Use the following format:
+	 * [
+	 *      0 => [
+	 *          'page_route' => 'string_for_page_route',    must correspond to a page route in the class being connected
+	 *                                                      with (i.e. "edit_event") If this is in an array then the
+	 *                                                      same params below will be used but the metabox will be
+	 *                                                      added to each route.
+	 *          'func' =>  'executing_method',              must be public (i.e. public function executing_method
+	 *                                                      ($post, $callback_args){} ).
+	 *                                                      Note if you include callback args in the array then you
+	 *                                                      need to declare them in the method arguments.
+	 *          'id' => 'identifier_for_metabox',           so it can be removed by addons
+	 *                                                      (optional, class will set it automatically)
+	 *          'priority' => 'default',                    default 'default' (optional)
+	 *          'label' => esc_html__('Localized Title', 'event_espresso'),
+	 *          'context' => 'advanced'                     advanced is default (optional),
+	 *      ]
+	 *      'callback_args' => array() //any callback args to include (optional)
+	 * ]
+	 * Why are we indexing numerically?  Because it's possible there may be more than one metabox per page_route.
+	 *
+	 * @var array
+	 */
+	protected $_metaboxes;
+
+
+	/**
+	 * This is an array of values that indicate any metaboxes we want removed from a given page route.  Usually this is
+	 * used when caffeinated functionality is replacing decaffeinated functionality.  Use the following format for the
+	 * array: array(
+	 *    0 => array(
+	 *        'page_route' => 'string_for_page_route' //can be string or array of strings that match a page_route(s)
+	 *        that are in the class being connected with (i.e. 'edit', or 'create_new').
+	 *        'id' => 'identifier_for_metabox', //what the id is of the metabox being removed
+	 *        'context' => 'normal', //the context for the metabox being removed (has to match)
+	 *        'screen' => 'screen_id', //(optional), if not included then this class will attempt to remove the metabox
+	 *        using the currently loaded screen object->id  however, there may be cases where you have to specify the
+	 *        id for the screen the metabox is on.
+	 *    )
+	 * )
+	 *
+	 * @var array
+	 */
+	protected $_remove_metaboxes;
+
+
+	/**
+	 * This parent class takes care of loading the scripts and styles if the child class has set the properties for
+	 * them in the following format.  Note, the first array index ('register') is for defining all the registers.  The
+	 * second array index is for indicating what routes each script/style loads on. array(
+	 * 'registers' => array(
+	 *        'script_ref' => array( // if more than one script is to be loaded its best to use the 'dependency'
+	 *        argument to link scripts together.
+	 *            'type' => 'js' // 'js' or 'css' (defaults to js).  This tells us what type of wp_function to use
+	 *            'url' => 'http://urltoscript.css.js',
+	 *            'depends' => array('jquery'), //an array of dependencies for the scripts. REMEMBER, if a script has
+	 *            already been registered elsewhere in the system.  You can just use the depends array to make sure it
+	 *            gets loaded before the one you are setting here.
+	 *            'footer' => TRUE //defaults to true (styles don't use this parameter)
+	 *        ),
+	 *    'enqueues' => array( //this time each key corresponds to the script ref followed by an array of page routes
+	 *    the script gets enqueued on.
+	 *        'script_ref' => array('route_one', 'route_two')
+	 *    ),
+	 *    'localize' => array( //this allows you to set a localized object.  Indicate which script the object is being
+	 *    attached to and then include an array indexed by the name of the object and the array of key/value pairs for
+	 *    the object.
+	 *        'scrip_ref' => array(
+	 *            'NAME_OF_JS_OBJECT' => array(
+	 *                'translate_ref' => esc_html__('localized_string', 'event_espresso'),
+	 *                'some_data' => 5
+	 *            )
+	 *        )
+	 *    )
+	 * )
+	 *
+	 * @var array
+	 */
+	protected $_scripts_styles;
+
+
+	/**
+	 * This is a property that will contain the current route.
+	 *
+	 * @var string;
+	 */
+	protected $_current_route;
+
+
+	/**
+	 * this optional property can be set by child classes to override the priority for the automatic action/filter hook
+	 * loading in the `_load_routed_hooks()` method.  Please follow this format: array(
+	 *    'wp_hook_reference' => 1
+	 *    )
+	 * )
+	 *
+	 * @var array
+	 */
+	protected $_wp_action_filters_priority;
+
+
+	/**
+	 * This just holds a merged array of the request vars
+	 *
+	 * @var array
+	 */
+	protected $_req_data;
+
+	/**
+	 * @var array
+	 */
+	protected $_scripts;
+
+	/**
+	 * @var array
+	 */
+	protected $_styles;
+
+	/**
+	 * This just holds an instance of the page object for this hook
+	 *
+	 * @var EE_Admin_Page
+	 */
+	protected $_page_object;
+
+
+	/**
+	 * This holds the EE_Admin_Page object from the calling admin page that this object hooks into.
+	 *
+	 * @var EE_Admin_Page|EE_Admin_Page_CPT
+	 */
+	protected $_adminpage_obj;
+
+
+	/**
+	 * Holds EE_Registry object
+	 *
+	 * @var EE_Registry
+	 */
+	protected $EE = null;
+
+	/**
+	 * @var RequestInterface
+	 */
+	protected $request;
+
+
+	/**
+	 * constructor
+	 *
+	 * @param EE_Admin_Page $admin_page
+	 * @throws EE_Error
+	 */
+	public function __construct(EE_Admin_Page $admin_page)
+	{
+		$this->_adminpage_obj = $admin_page;
+		$this->request        = LoaderFactory::getLoader()->getShared(RequestInterface::class);
+		$this->_req_data      = $this->request->requestParams();
+		$page = $this->request->getRequestParam('page');
+		$current_page = $this->request->getRequestParam('current_page', $page);
+		// first let's verify we're on the right page
+		if ($current_page !== $this->_adminpage_obj->page_slug) {
+			return;
+		}
+		$this->_set_defaults();
+		$this->_set_hooks_properties();
+		// get out nothing more to be done here.
+		// allow for extends to modify properties
+		if (method_exists($this, '_extend_properties')) {
+			$this->_extend_properties();
+		}
+		$this->_set_page_object();
+		$this->_init_hooks();
+		$this->_load_custom_methods();
+		$this->_load_routed_hooks();
+		add_action('admin_enqueue_scripts', [$this, 'enqueue_scripts_styles']);
+		add_action('admin_enqueue_scripts', [$this, 'add_metaboxes'], 20);
+		add_action('admin_enqueue_scripts', [$this, 'remove_metaboxes'], 15);
+		$this->_ajax_hooks();
+	}
+
+
+	/**
+	 * used by child classes to set the following properties:
+	 * $_ajax_func (optional)
+	 * $_init_func (optional)
+	 * $_metaboxes (optional)
+	 * $_scripts (optional)
+	 * $_styles (optional)
+	 * $_name (required)
+	 * Also in this method will be registered any scripts or styles loaded on the targeted page (as indicated in the
+	 * _scripts/_styles properties) Also children should place in this method any filters/actions that have to happen
+	 * really early on page load (just after admin_init) if they want to have them registered for handling early.
+	 *
+	 * @abstract
+	 * @return void
+	 */
+	abstract protected function _set_hooks_properties();
+
+
+	/**
+	 * The hooks for enqueue_scripts and enqueue_styles will be run in here.  Child classes need to define their
+	 * scripts and styles in the relevant $_scripts and $_styles properties.  Child classes must have also already
+	 * registered the scripts and styles using wp_register_script and wp_register_style functions.
+	 *
+	 * @return void
+	 * @throws EE_Error
+	 */
+	public function enqueue_scripts_styles()
+	{
+		if (! empty($this->_scripts_styles)) {
+			// first let's do all the registrations
+			if (! isset($this->_scripts_styles['registers'])) {
+				$msg[] = esc_html__(
+					'There is no "registers" index in the <code>$this->_scripts_styles</code> property.',
+					'event_espresso'
+				);
+				$msg[] = sprintf(
+					esc_html__(
+						'Make sure you read the phpdoc comments above the definition of the $_scripts_styles property in the <code>EE_Admin_Hooks</code> class and modify according in the %s child',
+						'event_espresso'
+					),
+					'<strong>' . $this->caller . '</strong>'
+				);
+				throw new EE_Error(implode('||', $msg));
+			}
+			$defaults = [
+				'type'    => 'js',
+				'url'     => '',
+				'depends' => [],
+				'version' => EVENT_ESPRESSO_VERSION,
+				'footer'  => true,
+			];
+			foreach ($this->_scripts_styles['registers'] as $ref => $details) {
+				$details = wp_parse_args($details, $defaults);
+				$type    = $details['type'];
+				$url     = $details['url'];
+				$depends = $details['depends'];
+				$version = $details['version'];
+				$footer  = $details['footer'];
+				// let's make sure that we set the 'registers' type if it's not set!
+				// We need it later to determine which enqueue we do
+				$this->_scripts_styles['registers'][ $ref ]['type'] = $type;
+				// let's make sure we're not missing any REQUIRED parameters
+				if (empty($url)) {
+					$msg[] = sprintf(
+						esc_html__('Missing the url for the requested %s', 'event_espresso'),
+						$type == 'js' ? 'script' : 'stylesheet'
+					);
+					$msg[] = sprintf(
+						esc_html__(
+							'Doublecheck your <code>$this->_scripts_styles</code> array in %s and make sure that there is a "url" set for the %s ref',
+							'event_espresso'
+						),
+						'<strong>' . $this->caller . '</strong>',
+						$ref
+					);
+					throw new EE_Error(implode('||', $msg));
+				}
+				// made it here so let's do the appropriate registration
+				$type == 'js'
+					? wp_register_script($ref, $url, $depends, $version, $footer)
+					: wp_register_style(
+						$ref,
+						$url,
+						$depends,
+						$version
+					);
+			}
+			// k now let's do the enqueues
+			if (! isset($this->_scripts_styles['enqueues'])) {
+				return;
+			}  //not sure if we should throw an error here or not.
+
+			foreach ($this->_scripts_styles['enqueues'] as $ref => $routes) {
+				// make sure $routes is an array
+				$routes = (array) $routes;
+				if (in_array($this->_current_route, $routes)) {
+					$this->_scripts_styles['registers'][ $ref ]['type'] == 'js' ? wp_enqueue_script($ref)
+						: wp_enqueue_style($ref);
+					// if we have a localization for the script let's do that too.
+					if (isset($this->_scripts_styles['localize'][ $ref ])) {
+						foreach ($this->_scripts_styles['localize'][ $ref ] as $object_name => $indexes) {
+							wp_localize_script(
+								$ref,
+								$object_name,
+								$this->_scripts_styles['localize'][ $ref ][ $object_name ]
+							);
+						}
+					}
+				}
+			}
+			// let's do the deregisters
+			if (! isset($this->_scripts_styles['deregisters'])) {
+				return;
+			}
+			foreach ($this->_scripts_styles['deregisters'] as $ref => $details) {
+				$defaults = ['type' => 'js'];
+				$details  = wp_parse_args($details, $defaults);
+				$details['type'] === 'js' ? wp_deregister_script($ref) : wp_deregister_style($ref);
+			}
+		}
+	}
+
+
+	/**
+	 * just set the defaults for the hooks properties.
+	 *
+	 * @return void
+	 */
+	private function _set_defaults()
+	{
+		$this->_ajax_func                  = [];
+		$this->_init_func                  = [];
+		$this->_metaboxes                  = [];
+		$this->_scripts                    = [];
+		$this->_styles                     = [];
+		$this->_wp_action_filters_priority = [];
+		$this->_current_route              = $this->getCurrentRoute();
+		$this->caller                      = get_class($this);
+		$this->_extend                     = (bool) stripos($this->caller, 'Extend');
+	}
+
+
+	/**
+	 * A helper for determining the current route.
+	 *
+	 * @return string
+	 */
+	private function getCurrentRoute()
+	{
+		$action = $this->request->getRequestParam('action');
+		// list tables do something else with 'action' for bulk actions.
+		$action = $action !== '-1' && $action !== '' ? $action : 'default';
+		$route  = $this->request->getRequestParam('route');
+		// we set a 'route' variable in some cases where action is being used by something else.
+		return $action === 'default' && $route !== '' ? $route : $action;
+	}
+
+
+	/**
+	 * this sets the _page_object property
+	 *
+	 * @return void
+	 * @throws EE_Error
+	 */
+	protected function _set_page_object()
+	{
+		if ($this->_page_object instanceof EE_Admin_Page) {
+			return;
+		}
+		// first make sure $this->_name is set
+		if (empty($this->_name)) {
+			$msg[] = esc_html__('We can\'t load the page object', 'event_espresso');
+			$msg[] = sprintf(
+				esc_html__("This is because the %s child class has not set the '_name' property", 'event_espresso'),
+				$this->caller
+			);
+			throw new EE_Error(implode('||', $msg));
+		}
+		// change "the_message" to "the message"
+		$class_name = str_replace('_', ' ', $this->_name);
+		// change "the message" to "The_Message_Admin_Page"
+		$class_name = str_replace(' ', '_', ucwords($class_name)) . '_Admin_Page';
+		// first default file (if exists)
+		$decaf_file = EE_ADMIN_PAGES . $this->_name . '/' . $class_name . '.core.php';
+		if (is_readable($decaf_file)) {
+			require_once($decaf_file);
+		}
+		// now we have to do require for extended file (if needed)
+		if ($this->_extend) {
+			require_once(EE_CORE_CAF_ADMIN_EXTEND . $this->_name . '/Extend_' . $class_name . '.core.php');
+			// and extend the class name as well
+			$class_name = 'Extend_' . $class_name;
+		}
+		// let's make sure the class exists
+		if (! class_exists($class_name)) {
+			$msg[] = esc_html__('We can\'t load the page object', 'event_espresso');
+			$msg[] = sprintf(
+				esc_html__(
+					'The class name that was given is %s. Check the spelling and make sure its correct, also there needs to be an autoloader setup for the class',
+					'event_espresso'
+				),
+				$class_name
+			);
+			throw new EE_Error(implode('||', $msg));
+		}
+		$this->_page_object = LoaderFactory::getLoader()->getShared($class_name, [false]);
+		$this->_page_object->initializePage();
+	}
+
+
+	/**
+	 * Child "hook" classes can declare any methods that they want executed when a specific page route is loaded.  The
+	 * advantage of this is when doing things like running our own db interactions on saves etc.  Remember that
+	 * $this->_req_data (all the _POST and _GET data) is available to your methods.
+	 *
+	 * @return void
+	 */
+	private function _load_custom_methods()
+	{
+		/**
+		 * method cannot be named 'default' (@see http://us3.php
+		 * .net/manual/en/reserved.keywords.php) so need to
+		 * handle routes that are "default"
+		 *
+		 * @since 4.3.0
+		 */
+		$method_callback = $this->_current_route == 'default' ? 'default_callback' : $this->_current_route;
+		// these run before the Admin_Page route executes.
+		if (method_exists($this, $method_callback)) {
+			call_user_func([$this, $method_callback]);
+		}
+		// these run via the _redirect_after_action method in EE_Admin_Page which usually happens after non_UI methods in EE_Admin_Page classes.  There are two redirect actions, the first fires before $query_args might be manipulated by "save and close" actions and the seond fires right before the actual redirect happens.
+		// first the actions
+		// note that these action hooks will have the $query_args value available.
+		$admin_class_name = get_class($this->_adminpage_obj);
+		if (method_exists($this, '_redirect_action_early_' . $this->_current_route)) {
+			add_action(
+				'AHEE__'
+				. $admin_class_name
+				. '___redirect_after_action__before_redirect_modification_'
+				. $this->_current_route,
+				[$this, '_redirect_action_early_' . $this->_current_route],
+				10
+			);
+		}
+		if (method_exists($this, '_redirect_action_' . $this->_current_route)) {
+			add_action(
+				'AHEE_redirect_' . $admin_class_name . $this->_current_route,
+				[$this, '_redirect_action_' . $this->_current_route],
+				10
+			);
+		}
+		// let's hook into the _redirect itself and allow for changing where the user goes after redirect.  This will have $query_args and $redirect_url available.
+		if (method_exists($this, '_redirect_filter_' . $this->_current_route)) {
+			add_filter(
+				'FHEE_redirect_' . $admin_class_name . $this->_current_route,
+				[$this, '_redirect_filter_' . $this->_current_route],
+				10,
+				2
+			);
+		}
+	}
+
+
+	/**
+	 * This method will search for a corresponding method with a name matching the route and the wp_hook to run.  This
+	 * allows child hook classes to target hooking into a specific wp action or filter hook ONLY on a certain route.
+	 * just remember, methods MUST be public Future hooks should be added in here to be access by child classes.
+	 *
+	 * @return void
+	 */
+	private function _load_routed_hooks()
+	{
+
+		// this array provides the hook action names that will be referenced.  Key is the action. Value is an array with the type (action or filter) and the number of parameters for the hook.  We'll default all priorities for automatic hooks to 10.
+		$hook_filter_array = [
+			'admin_footer'                                                                            => [
+				'type'     => 'action',
+				'argnum'   => 1,
+				'priority' => 10,
+			],
+			'FHEE_list_table_views_' . $this->_adminpage_obj->page_slug . '_' . $this->_current_route => [
+				'type'     => 'filter',
+				'argnum'   => 1,
+				'priority' => 10,
+			],
+			'FHEE_list_table_views_' . $this->_adminpage_obj->page_slug                               => [
+				'type'     => 'filter',
+				'argnum'   => 1,
+				'priority' => 10,
+			],
+			'FHEE_list_table_views'                                                                   => [
+				'type'     => 'filter',
+				'argnum'   => 1,
+				'priority' => 10,
+			],
+			'AHEE__EE_Admin_Page___display_admin_page__modify_metaboxes'                              => [
+				'type'     => 'action',
+				'argnum'   => 1,
+				'priority' => 10,
+			],
+		];
+		foreach ($hook_filter_array as $hook => $args) {
+			if (method_exists($this, $this->_current_route . '_' . $hook)) {
+				if (isset($this->_wp_action_filters_priority[ $hook ])) {
+					$args['priority'] = $this->_wp_action_filters_priority[ $hook ];
+				}
+				if ($args['type'] == 'action') {
+					add_action(
+						$hook,
+						[$this, $this->_current_route . '_' . $hook],
+						$args['priority'],
+						$args['argnum']
+					);
+				} else {
+					add_filter(
+						$hook,
+						[$this, $this->_current_route . '_' . $hook],
+						$args['priority'],
+						$args['argnum']
+					);
+				}
+			}
+		}
+	}
+
+
+	/**
+	 * Loop throught the $_ajax_func array and add_actions for the array.
+	 *
+	 * @return void
+	 * @throws EE_Error
+	 */
+	private function _ajax_hooks()
+	{
+		if (empty($this->_ajax_func)) {
+			return;
+		} //get out there's nothing to take care of.
+		foreach ($this->_ajax_func as $action => $method) {
+			// make sure method exists
+			if (! method_exists($this, $method)) {
+				$msg[] = esc_html__(
+					'There is no corresponding method for the hook labeled in the _ajax_func array',
+					'event_espresso'
+				) . '<br />';
+				$msg[] = sprintf(
+					esc_html__(
+						'The method name given in the array is %s, check the spelling and make sure it exists in the %s class',
+						'event_espresso'
+					),
+					$method,
+					$this->caller
+				);
+				throw new EE_Error(implode('||', $msg));
+			}
+			add_action('wp_ajax_' . $action, [$this, $method]);
+		}
+	}
+
+
+	/**
+	 * Loop throught the $_init_func array and add_actions for the array.
+	 *
+	 * @return void
+	 * @throws EE_Error
+	 */
+	protected function _init_hooks()
+	{
+		if (empty($this->_init_func)) {
+			return;
+		}
+		// get out there's nothing to take care of.
+		// We need to determine what page_route we are on!
+		foreach ($this->_init_func as $route => $method) {
+			// make sure method exists
+			if (! method_exists($this, $method)) {
+				$msg[] = esc_html__(
+					'There is no corresponding method for the hook labeled in the _init_func array',
+					'event_espresso'
+				) . '<br />';
+				$msg[] = sprintf(
+					esc_html__(
+						'The method name given in the array is %s, check the spelling and make sure it exists in the %s class',
+						'event_espresso'
+					),
+					$method,
+					$this->caller
+				);
+				throw new EE_Error(implode('||', $msg));
+			}
+			if ($route == $this->_current_route) {
+				add_action('admin_init', [$this, $method]);
+			}
+		}
+	}
+
+
+	/**
+	 * Loop through the _metaboxes property and add_metaboxes accordingly
+	 * //todo we could eventually make this a config component class (i.e. new EE_Metabox);
+	 *
+	 * @return void
+	 * @throws EE_Error
+	 */
+	public function add_metaboxes()
+	{
+		if (empty($this->_metaboxes)) {
+			return;
+		} //get out we don't have any metaboxes to set for this connection
+		$this->_handle_metabox_array($this->_metaboxes);
+	}
+
+
+	/**
+	 * @param array $boxes
+	 * @param bool  $add
+	 * @throws EE_Error
+	 */
+	private function _handle_metabox_array(array $boxes, $add = true)
+	{
+		foreach ($boxes as $box) {
+			if (! isset($box['page_route'])) {
+				continue;
+			}
+			// we don't have a valid array
+			// let's make sure $box['page_route'] is an array so the "foreach" will work.
+			$box['page_route'] = (array) $box['page_route'];
+			foreach ($box['page_route'] as $route) {
+				if ($route != $this->_current_route) {
+					continue;
+				} //get out we only add metaboxes for set route.
+				if ($add) {
+					$this->_add_metabox($box);
+				} else {
+					$this->_remove_metabox($box);
+				}
+			}
+		}
+	}
+
+
+	/**
+	 * Loop through the _remove_metaboxes property and remove metaboxes accordingly.
+	 *
+	 * @return void
+	 * @throws EE_Error
+	 */
+	public function remove_metaboxes()
+	{
+		if (empty($this->_remove_metaboxes)) {
+			return;
+		} //get out there are no metaboxes to remove
+		$this->_handle_metabox_array($this->_remove_metaboxes, false);
+	}
+
+
+	/**
+	 * This just handles adding a metabox
+	 *
+	 * @param array $args an array of args that have been set for this metabox by the child class
+	 * @throws EE_Error
+	 */
+	private function _add_metabox($args)
+	{
+		$current_screen = get_current_screen();
+		$screen_id      = is_object($current_screen) ? $current_screen->id : null;
+		$callback       = $args['func'] ?? 'some_invalid_callback';
+		$callback_function = is_array($callback) ? end($callback) : $callback;
+		// set defaults
+		$defaults      = [
+			'callback_args' => [],
+			'context'       => 'advanced',
+			'func'          => $callback,
+			'id'            => $this->caller . '_' . $callback_function . '_metabox',
+			'label'         => $this->caller,
+			'page'          => isset($args['page']) ? $args['page'] : $screen_id,
+			'priority'      => 'default',
+		];
+		$args          = wp_parse_args($args, $defaults);
+		$callback_args = $args['callback_args'];
+		$context       = $args['context'];
+		$id            = $args['id'];
+		$label         = $args['label'];
+		$page          = $args['page'];
+		$priority      = $args['priority'];
+		// make sure method exists
+		if (! method_exists($this, $callback_function)) {
+			$msg[] =
+				esc_html__('There is no corresponding method to display the metabox content', 'event_espresso')
+				. '<br />';
+			$msg[] = sprintf(
+				esc_html__(
+					'The method name given in the array is %s, check the spelling and make sure it exists in the %s class',
+					'event_espresso'
+				),
+				$callback_function,
+				$this->caller
+			);
+			throw new EE_Error(implode('||', $msg));
+		}
+		// everything checks out so let's add the metabox
+		add_meta_box($id, $label, [$this, $callback_function], $page, $context, $priority, $callback_args);
+		add_filter(
+			"postbox_classes_{$page}_{$id}",
+			function ($classes) {
+				array_push($classes, 'ee-admin-container');
+				return $classes;
+			}
+		);
+	}
+
+
+	private function _remove_metabox($args)
+	{
+		$current_screen = get_current_screen();
+		$screen_id      = is_object($current_screen) ? $current_screen->id : null;
+		$func           = isset($args['func']) ? $args['func'] : 'some_invalid_callback';
+		// set defaults
+		$defaults = [
+			'context' => 'default',
+			'id'      => isset($args['id'])
+				? $args['id']
+				: $this->_current_route . '_' . $this->caller . '_' . $func . '_metabox',
+			'screen'  => isset($args['screen']) ? $args['screen'] : $screen_id,
+		];
+		$args     = wp_parse_args($args, $defaults);
+		$context  = $args['context'];
+		$id       = $args['id'];
+		$screen   = $args['screen'];
+		// everything checks out so lets remove the box!
+		remove_meta_box($id, $screen, $context);
+	}
 }

Spacing +42 added lines, -42 removed lines

@@ -273,9 +273,9 @@ 
      */
     public function enqueue_scripts_styles()
     {
-        if (! empty($this->_scripts_styles)) {
+        if ( ! empty($this->_scripts_styles)) {
             // first let's do all the registrations
-            if (! isset($this->_scripts_styles['registers'])) {
+            if ( ! isset($this->_scripts_styles['registers'])) {
                 $msg[] = esc_html__(
                     'There is no "registers" index in the <code>$this->_scripts_styles</code> property.',
                     'event_espresso'
@@ -285,7 +285,7 @@ 
                         'Make sure you read the phpdoc comments above the definition of the $_scripts_styles property in the <code>EE_Admin_Hooks</code> class and modify according in the %s child',
                         'event_espresso'
                     ),
-                    '<strong>' . $this->caller . '</strong>'
+                    '<strong>'.$this->caller.'</strong>'
                 );
                 throw new EE_Error(implode('||', $msg));
             }
@@ -305,7 +305,7 @@ 
                 $footer  = $details['footer'];
                 // let's make sure that we set the 'registers' type if it's not set!
                 // We need it later to determine which enqueue we do
-                $this->_scripts_styles['registers'][ $ref ]['type'] = $type;
+                $this->_scripts_styles['registers'][$ref]['type'] = $type;
                 // let's make sure we're not missing any REQUIRED parameters
                 if (empty($url)) {
                     $msg[] = sprintf(
@@ -317,7 +317,7 @@ 
                             'Doublecheck your <code>$this->_scripts_styles</code> array in %s and make sure that there is a "url" set for the %s ref',
                             'event_espresso'
                         ),
-                        '<strong>' . $this->caller . '</strong>',
+                        '<strong>'.$this->caller.'</strong>',
                         $ref
                     );
                     throw new EE_Error(implode('||', $msg));
@@ -333,7 +333,7 @@ 
                     );
             }
             // k now let's do the enqueues
-            if (! isset($this->_scripts_styles['enqueues'])) {
+            if ( ! isset($this->_scripts_styles['enqueues'])) {
                 return;
             }  //not sure if we should throw an error here or not.
 
@@ -341,22 +341,22 @@ 
                 // make sure $routes is an array
                 $routes = (array) $routes;
                 if (in_array($this->_current_route, $routes)) {
-                    $this->_scripts_styles['registers'][ $ref ]['type'] == 'js' ? wp_enqueue_script($ref)
+                    $this->_scripts_styles['registers'][$ref]['type'] == 'js' ? wp_enqueue_script($ref)
                         : wp_enqueue_style($ref);
                     // if we have a localization for the script let's do that too.
-                    if (isset($this->_scripts_styles['localize'][ $ref ])) {
-                        foreach ($this->_scripts_styles['localize'][ $ref ] as $object_name => $indexes) {
+                    if (isset($this->_scripts_styles['localize'][$ref])) {
+                        foreach ($this->_scripts_styles['localize'][$ref] as $object_name => $indexes) {
                             wp_localize_script(
                                 $ref,
                                 $object_name,
-                                $this->_scripts_styles['localize'][ $ref ][ $object_name ]
+                                $this->_scripts_styles['localize'][$ref][$object_name]
                             );
                         }
                     }
                 }
             }
             // let's do the deregisters
-            if (! isset($this->_scripts_styles['deregisters'])) {
+            if ( ! isset($this->_scripts_styles['deregisters'])) {
                 return;
             }
             foreach ($this->_scripts_styles['deregisters'] as $ref => $details) {
@@ -426,20 +426,20 @@ 
         // change "the_message" to "the message"
         $class_name = str_replace('_', ' ', $this->_name);
         // change "the message" to "The_Message_Admin_Page"
-        $class_name = str_replace(' ', '_', ucwords($class_name)) . '_Admin_Page';
+        $class_name = str_replace(' ', '_', ucwords($class_name)).'_Admin_Page';
         // first default file (if exists)
-        $decaf_file = EE_ADMIN_PAGES . $this->_name . '/' . $class_name . '.core.php';
+        $decaf_file = EE_ADMIN_PAGES.$this->_name.'/'.$class_name.'.core.php';
         if (is_readable($decaf_file)) {
             require_once($decaf_file);
         }
         // now we have to do require for extended file (if needed)
         if ($this->_extend) {
-            require_once(EE_CORE_CAF_ADMIN_EXTEND . $this->_name . '/Extend_' . $class_name . '.core.php');
+            require_once(EE_CORE_CAF_ADMIN_EXTEND.$this->_name.'/Extend_'.$class_name.'.core.php');
             // and extend the class name as well
-            $class_name = 'Extend_' . $class_name;
+            $class_name = 'Extend_'.$class_name;
         }
         // let's make sure the class exists
-        if (! class_exists($class_name)) {
+        if ( ! class_exists($class_name)) {
             $msg[] = esc_html__('We can\'t load the page object', 'event_espresso');
             $msg[] = sprintf(
                 esc_html__(
@@ -480,28 +480,28 @@ 
         // first the actions
         // note that these action hooks will have the $query_args value available.
         $admin_class_name = get_class($this->_adminpage_obj);
-        if (method_exists($this, '_redirect_action_early_' . $this->_current_route)) {
+        if (method_exists($this, '_redirect_action_early_'.$this->_current_route)) {
             add_action(
                 'AHEE__'
                 . $admin_class_name
                 . '___redirect_after_action__before_redirect_modification_'
                 . $this->_current_route,
-                [$this, '_redirect_action_early_' . $this->_current_route],
+                [$this, '_redirect_action_early_'.$this->_current_route],
                 10
             );
         }
-        if (method_exists($this, '_redirect_action_' . $this->_current_route)) {
+        if (method_exists($this, '_redirect_action_'.$this->_current_route)) {
             add_action(
-                'AHEE_redirect_' . $admin_class_name . $this->_current_route,
-                [$this, '_redirect_action_' . $this->_current_route],
+                'AHEE_redirect_'.$admin_class_name.$this->_current_route,
+                [$this, '_redirect_action_'.$this->_current_route],
                 10
             );
         }
         // let's hook into the _redirect itself and allow for changing where the user goes after redirect.  This will have $query_args and $redirect_url available.
-        if (method_exists($this, '_redirect_filter_' . $this->_current_route)) {
+        if (method_exists($this, '_redirect_filter_'.$this->_current_route)) {
             add_filter(
-                'FHEE_redirect_' . $admin_class_name . $this->_current_route,
-                [$this, '_redirect_filter_' . $this->_current_route],
+                'FHEE_redirect_'.$admin_class_name.$this->_current_route,
+                [$this, '_redirect_filter_'.$this->_current_route],
                 10,
                 2
             );
@@ -526,12 +526,12 @@ 
                 'argnum'   => 1,
                 'priority' => 10,
             ],
-            'FHEE_list_table_views_' . $this->_adminpage_obj->page_slug . '_' . $this->_current_route => [
+            'FHEE_list_table_views_'.$this->_adminpage_obj->page_slug.'_'.$this->_current_route => [
                 'type'     => 'filter',
                 'argnum'   => 1,
                 'priority' => 10,
             ],
-            'FHEE_list_table_views_' . $this->_adminpage_obj->page_slug                               => [
+            'FHEE_list_table_views_'.$this->_adminpage_obj->page_slug                               => [
                 'type'     => 'filter',
                 'argnum'   => 1,
                 'priority' => 10,
@@ -548,21 +548,21 @@ 
             ],
         ];
         foreach ($hook_filter_array as $hook => $args) {
-            if (method_exists($this, $this->_current_route . '_' . $hook)) {
-                if (isset($this->_wp_action_filters_priority[ $hook ])) {
-                    $args['priority'] = $this->_wp_action_filters_priority[ $hook ];
+            if (method_exists($this, $this->_current_route.'_'.$hook)) {
+                if (isset($this->_wp_action_filters_priority[$hook])) {
+                    $args['priority'] = $this->_wp_action_filters_priority[$hook];
                 }
                 if ($args['type'] == 'action') {
                     add_action(
                         $hook,
-                        [$this, $this->_current_route . '_' . $hook],
+                        [$this, $this->_current_route.'_'.$hook],
                         $args['priority'],
                         $args['argnum']
                     );
                 } else {
                     add_filter(
                         $hook,
-                        [$this, $this->_current_route . '_' . $hook],
+                        [$this, $this->_current_route.'_'.$hook],
                         $args['priority'],
                         $args['argnum']
                     );
@@ -585,11 +585,11 @@ 
         } //get out there's nothing to take care of.
         foreach ($this->_ajax_func as $action => $method) {
             // make sure method exists
-            if (! method_exists($this, $method)) {
+            if ( ! method_exists($this, $method)) {
                 $msg[] = esc_html__(
                     'There is no corresponding method for the hook labeled in the _ajax_func array',
                     'event_espresso'
-                ) . '<br />';
+                ).'<br />';
                 $msg[] = sprintf(
                     esc_html__(
                         'The method name given in the array is %s, check the spelling and make sure it exists in the %s class',
@@ -600,7 +600,7 @@ 
                 );
                 throw new EE_Error(implode('||', $msg));
             }
-            add_action('wp_ajax_' . $action, [$this, $method]);
+            add_action('wp_ajax_'.$action, [$this, $method]);
         }
     }
 
@@ -620,11 +620,11 @@ 
         // We need to determine what page_route we are on!
         foreach ($this->_init_func as $route => $method) {
             // make sure method exists
-            if (! method_exists($this, $method)) {
+            if ( ! method_exists($this, $method)) {
                 $msg[] = esc_html__(
                     'There is no corresponding method for the hook labeled in the _init_func array',
                     'event_espresso'
-                ) . '<br />';
+                ).'<br />';
                 $msg[] = sprintf(
                     esc_html__(
                         'The method name given in the array is %s, check the spelling and make sure it exists in the %s class',
@@ -666,7 +666,7 @@ 
     private function _handle_metabox_array(array $boxes, $add = true)
     {
         foreach ($boxes as $box) {
-            if (! isset($box['page_route'])) {
+            if ( ! isset($box['page_route'])) {
                 continue;
             }
             // we don't have a valid array
@@ -714,11 +714,11 @@ 
         $callback       = $args['func'] ?? 'some_invalid_callback';
         $callback_function = is_array($callback) ? end($callback) : $callback;
         // set defaults
-        $defaults      = [
+        $defaults = [
             'callback_args' => [],
             'context'       => 'advanced',
             'func'          => $callback,
-            'id'            => $this->caller . '_' . $callback_function . '_metabox',
+            'id'            => $this->caller.'_'.$callback_function.'_metabox',
             'label'         => $this->caller,
             'page'          => isset($args['page']) ? $args['page'] : $screen_id,
             'priority'      => 'default',
@@ -731,7 +731,7 @@ 
         $page          = $args['page'];
         $priority      = $args['priority'];
         // make sure method exists
-        if (! method_exists($this, $callback_function)) {
+        if ( ! method_exists($this, $callback_function)) {
             $msg[] =
                 esc_html__('There is no corresponding method to display the metabox content', 'event_espresso')
                 . '<br />';
@@ -749,7 +749,7 @@ 
         add_meta_box($id, $label, [$this, $callback_function], $page, $context, $priority, $callback_args);
         add_filter(
             "postbox_classes_{$page}_{$id}",
-            function ($classes) {
+            function($classes) {
                 array_push($classes, 'ee-admin-container');
                 return $classes;
             }
@@ -767,7 +767,7 @@ 
             'context' => 'default',
             'id'      => isset($args['id'])
                 ? $args['id']
-                : $this->_current_route . '_' . $this->caller . '_' . $func . '_metabox',
+                : $this->_current_route.'_'.$this->caller.'_'.$func.'_metabox',
             'screen'  => isset($args['screen']) ? $args['screen'] : $screen_id,
         ];
         $args     = wp_parse_args($args, $defaults);

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

Indentation +2170 added lines, -2170 removed lines

@@ -15,2188 +15,2188 @@
  */
 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;
-
-    /**
-     * 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;
-
-
-    /**
-     * @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();
-        $this->_set_scripts_styles();
-        add_filter(
-            'FHEE__Events_Admin_Page___insert_update_cpt_item__event_update_callbacks',
-            [$this, 'caf_updates']
-        );
-    }
-
-
-    /**
-     * @return void
-     */
-    protected function _setup_metaboxes()
-    {
-        // if we were going to add our own metaboxes we'd use the below.
-        $this->_metaboxes        = [
-            0 => [
-                'page_route' => ['edit', 'create_new'],
-                'func'       => [$this, 'pricing_metabox'],
-                'label'      => esc_html__('Event Tickets & Datetimes', 'event_espresso'),
-                'priority'   => 'high',
-                'context'    => 'normal',
-            ],
-        ];
-        $this->_remove_metaboxes = [
-            0 => [
-                'page_route' => ['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',
-            [
-                'date' => 'Y-m-d',
-                'time' => 'h:i a',
-            ]
-        );
-        // validate
-        $this->_date_format_strings['date'] = $this->_date_format_strings['date'] ?? '';
-        $this->_date_format_strings['time'] = $this->_date_format_strings['time'] ?? '';
-
-        $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 = [
-                'date' => 'Y-m-d',
-                'time' => 'h:i a',
-            ];
-        }
-    }
-
-
-    /**
-     * @return void
-     */
-    protected function _set_scripts_styles()
-    {
-        $this->_scripts_styles = [
-            'registers'   => [
-                'ee-tickets-datetimes-css' => [
-                    'url'  => PRICING_ASSETS_URL . 'event-tickets-datetimes.css',
-                    'type' => 'css',
-                ],
-                'ee-dtt-ticket-metabox'    => [
-                    'url'     => PRICING_ASSETS_URL . 'ee-datetime-ticket-metabox.js',
-                    'depends' => ['ee-datepicker', 'ee-dialog', 'underscore'],
-                ],
-            ],
-            'deregisters' => [
-                'event-editor-css'       => ['type' => 'css'],
-                'event-datetime-metabox' => ['type' => 'js'],
-            ],
-            'enqueues'    => [
-                'ee-tickets-datetimes-css' => ['edit', 'create_new'],
-                'ee-dtt-ticket-metabox'    => ['edit', 'create_new'],
-            ],
-            'localize'    => [
-                'ee-dtt-ticket-metabox' => [
-                    'DTT_TRASH_BLOCK'       => [
-                        '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'           => '
+	/**
+	 * 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;
+
+	/**
+	 * @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();
+		$this->_set_scripts_styles();
+		add_filter(
+			'FHEE__Events_Admin_Page___insert_update_cpt_item__event_update_callbacks',
+			[$this, 'caf_updates']
+		);
+	}
+
+
+	/**
+	 * @return void
+	 */
+	protected function _setup_metaboxes()
+	{
+		// if we were going to add our own metaboxes we'd use the below.
+		$this->_metaboxes        = [
+			0 => [
+				'page_route' => ['edit', 'create_new'],
+				'func'       => [$this, 'pricing_metabox'],
+				'label'      => esc_html__('Event Tickets & Datetimes', 'event_espresso'),
+				'priority'   => 'high',
+				'context'    => 'normal',
+			],
+		];
+		$this->_remove_metaboxes = [
+			0 => [
+				'page_route' => ['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',
+			[
+				'date' => 'Y-m-d',
+				'time' => 'h:i a',
+			]
+		);
+		// validate
+		$this->_date_format_strings['date'] = $this->_date_format_strings['date'] ?? '';
+		$this->_date_format_strings['time'] = $this->_date_format_strings['time'] ?? '';
+
+		$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 = [
+				'date' => 'Y-m-d',
+				'time' => 'h:i a',
+			];
+		}
+	}
+
+
+	/**
+	 * @return void
+	 */
+	protected function _set_scripts_styles()
+	{
+		$this->_scripts_styles = [
+			'registers'   => [
+				'ee-tickets-datetimes-css' => [
+					'url'  => PRICING_ASSETS_URL . 'event-tickets-datetimes.css',
+					'type' => 'css',
+				],
+				'ee-dtt-ticket-metabox'    => [
+					'url'     => PRICING_ASSETS_URL . 'ee-datetime-ticket-metabox.js',
+					'depends' => ['ee-datepicker', 'ee-dialog', 'underscore'],
+				],
+			],
+			'deregisters' => [
+				'event-editor-css'       => ['type' => 'css'],
+				'event-datetime-metabox' => ['type' => 'js'],
+			],
+			'enqueues'    => [
+				'ee-tickets-datetimes-css' => ['edit', 'create_new'],
+				'ee-dtt-ticket-metabox'    => ['edit', 'create_new'],
+			],
+			'localize'    => [
+				'ee-dtt-ticket-metabox' => [
+					'DTT_TRASH_BLOCK'       => [
+						'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'            => '
+						'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'          => '
+						'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'         => [
-                        'no_ticket_name' => esc_html__('General Admission', 'event_espresso'),
-                        'dismiss_button' => '
+					],
+					'DTT_ERROR_MSG'         => [
+						'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'  => [
-                        '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'     => ['dayValue' => (int) get_option('start_of_week')],
-                ],
-            ],
-        ];
-    }
-
-
-    /**
-     * @param array $update_callbacks
-     * @return array
-     */
-    public function caf_updates(array $update_callbacks): array
-    {
-        unset($update_callbacks['_default_tickets_update']);
-        $update_callbacks['datetime_and_tickets_caf_update'] = [$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(EE_Event $event, array $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(EE_Event $event, array $data): array
-    {
-        $timezone            = $data['timezone_string'] ?? null;
-        $saved_datetime_ids  = [];
-        $saved_datetime_objs = [];
-        if (empty($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'];
-
-            $datetime_values              = [
-                'DTT_ID'          => ! empty($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'])) {
-                $datetime = EEM_Datetime::instance($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 $datetime_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_datetime_ids[ $datetime->ID() ] = $datetime->ID();
-            } else {
-                $datetime = EE_Datetime::new_instance(
-                    $datetime_values,
-                    $timezone,
-                    [$this->_date_format_strings['date'], $this->_date_format_strings['time']]
-                );
-                foreach ($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_datetime_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_datetime_ids[ $DTT_ID ] = $DTT_ID;
-            $saved_datetime_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] === '' ? [] : $old_datetimes;
-        if (is_array($old_datetimes)) {
-            $datetimes_to_delete = array_diff($old_datetimes, $saved_datetime_ids);
-            foreach ($datetimes_to_delete as $id) {
-                $id = absint($id);
-                if (empty($id)) {
-                    continue;
-                }
-                $datetime_to_remove = EE_Registry::instance()->load_model('Datetime')->get_one_by_ID($id);
-                // remove ticket relationships.
-                $related_tickets = $datetime_to_remove->get_many_related('Ticket');
-                foreach ($related_tickets as $ticket) {
-                    $datetime_to_remove->_remove_relation_to($ticket, 'Ticket');
-                }
-                $event->_remove_relation_to($id, 'Datetime');
-                $datetime_to_remove->refresh_cache_of_related_objects();
-            }
-        }
-        return $saved_datetime_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(EE_Event $event, array $saved_datetimes, array $data): array
-    {
-        $new_ticket = null;
-        // stripslashes because WP filtered the $_POST ($data) array to add slashes
-        $data          = stripslashes_deep($data);
-        $timezone      = $data['timezone_string'] ?? null;
-        $saved_tickets = [];
-        $old_tickets   = isset($data['ticket_IDs']) ? explode(',', $data['ticket_IDs']) : [];
-        if (empty($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 => $ticket_data) {
-            $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_ticket_datetime_rows = explode(',', $data['starting_ticket_datetime_rows'][ $row ]);
-            $ticket_datetime_rows          = explode(',', $data['ticket_datetime_rows'][ $row ]);
-            $datetimes_added               = array_diff($ticket_datetime_rows, $starting_ticket_datetime_rows);
-            $datetimes_removed             = array_diff($starting_ticket_datetime_rows, $ticket_datetime_rows);
-            // trim inputs to ensure any excess whitespace is removed.
-            $ticket_data = array_map(
-                function ($ticket_data) {
-                    return is_array($ticket_data) ? $ticket_data : trim($ticket_data);
-                },
-                $ticket_data
-            );
-            // 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).
-            $ticket_price = isset($ticket_data['TKT_price'])
-                ? round((float) $ticket_data['TKT_price'], 3)
-                : 0;
-            // note incoming base price needs converted from localized value.
-            $base_price = isset($ticket_data['TKT_base_price'])
-                ? EEH_Money::convert_to_float_from_localized_money($ticket_data['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 = $ticket_data['TKT_base_price_ID'] ?? 0;
-            $price_rows    = is_array($data['edit_prices']) && isset($data['edit_prices'][ $row ])
-                ? $data['edit_prices'][ $row ]
-                : [];
-            $now           = null;
-            if (empty($ticket_data['TKT_start_date'])) {
-                // lets' use now in the set timezone.
-                $now                           = new DateTime('now', new DateTimeZone($event->get_timezone()));
-                $ticket_data['TKT_start_date'] = $now->format($this->_date_time_format);
-            }
-            if (empty($ticket_data['TKT_end_date'])) {
-                /**
-                 * set the TKT_end_date to the first datetime attached to the ticket.
-                 */
-                $first_datetime              = $saved_datetimes[ reset($ticket_datetime_rows) ];
-                $ticket_data['TKT_end_date'] = $first_datetime->start_date_and_time($this->_date_time_format);
-            }
-            $TKT_values = [
-                'TKT_ID'          => ! empty($ticket_data['TKT_ID']) ? $ticket_data['TKT_ID'] : null,
-                'TTM_ID'          => ! empty($ticket_data['TTM_ID']) ? $ticket_data['TTM_ID'] : 0,
-                'TKT_name'        => ! empty($ticket_data['TKT_name']) ? $ticket_data['TKT_name'] : '',
-                'TKT_description' => ! empty($ticket_data['TKT_description'])
-                                     && $ticket_data['TKT_description'] !== esc_html__(
-                                         'You can modify this description',
-                                         'event_espresso'
-                                     )
-                    ? $ticket_data['TKT_description']
-                    : '',
-                'TKT_start_date'  => $ticket_data['TKT_start_date'],
-                'TKT_end_date'    => $ticket_data['TKT_end_date'],
-                'TKT_qty'         => ! isset($ticket_data['TKT_qty']) || $ticket_data['TKT_qty'] === ''
-                    ? EE_INF
-                    : $ticket_data['TKT_qty'],
-                'TKT_uses'        => ! isset($ticket_data['TKT_uses']) || $ticket_data['TKT_uses'] === ''
-                    ? EE_INF
-                    : $ticket_data['TKT_uses'],
-                'TKT_min'         => empty($ticket_data['TKT_min']) ? 0 : $ticket_data['TKT_min'],
-                'TKT_max'         => empty($ticket_data['TKT_max']) ? EE_INF : $ticket_data['TKT_max'],
-                'TKT_row'         => $row,
-                'TKT_order'       => $ticket_data['TKT_order'] ?? 0,
-                'TKT_taxable'     => ! empty($ticket_data['TKT_taxable']) ? 1 : 0,
-                'TKT_required'    => ! empty($ticket_data['TKT_required']) ? 1 : 0,
-                'TKT_price'       => $ticket_price,
-            ];
-            // if this is a default TKT, then we need to set the TKT_ID to 0 and update accordingly,
-            // which means in turn that the prices will become new prices as well.
-            if (isset($ticket_data['TKT_is_default']) && $ticket_data['TKT_is_default']) {
-                $TKT_values['TKT_ID']         = 0;
-                $TKT_values['TKT_is_default'] = 0;
-                $update_prices                = true;
-            }
-            // if we have a TKT_ID then we need to get that existing TKT_obj and update it
-            // we actually do our saves ahead of doing any add_relations to
-            // because its entirely possible that this ticket wasn't removed or added to any datetime in the session
-            // but DID have it's items modified.
-            // keep in mind that if the TKT has been sold (and we have changed pricing information),
-            // then we won't be updating the ticket but instead a new ticket will be created and the old one archived.
-            if (absint($TKT_values['TKT_ID'])) {
-                $ticket = EEM_Ticket::instance($timezone)->get_one_by_ID($ticket_data['TKT_ID']);
-                if ($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',
-                        [
-                            [
-                                'STS_ID' => ['NOT IN', [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_ticket = $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,
-                    $timezone,
-                    [$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(
-                    [],
-                    $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.
-            $ticket->ensure_TKT_Price_correct();
-            // handle CREATING a default ticket from the incoming ticket but ONLY if this isn't an autosave.
-            if (! defined('DOING_AUTOSAVE') && ! empty($ticket_data['TKT_is_default_selector'])) {
-                $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 datetime relations cause we DON'T want datetime 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,
-                    true
-                );
-                // don't forget the base price!
-                $new_default = $this->_add_prices_to_ticket(
-                    [],
-                    $new_default,
-                    true,
-                    $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 datetime relationships for both current tickets and any archived tickets
-            // for the given datetime 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_ticket instanceof EE_Ticket) {
-                // save new TKT
-                $new_ticket->save();
-                // add new ticket to array
-                $saved_tickets[ $new_ticket->ID() ] = $new_ticket;
-                do_action(
-                    'AHEE__espresso_events_Pricing_Hooks___update_tkts_new_ticket',
-                    $new_ticket,
-                    $row,
-                    $ticket_data,
-                    $data
-                );
-            } else {
-                // add ticket to saved tickets
-                $saved_tickets[ $ticket->ID() ] = $ticket;
-                do_action(
-                    'AHEE__espresso_events_Pricing_Hooks___update_tkts_update_ticket',
-                    $ticket,
-                    $row,
-                    $ticket_data,
-                    $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] === '' ? [] : $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
-            $ticket_to_remove = EE_Registry::instance()->load_model('Ticket')->get_one_by_ID($id);
-            // if this ticket is a default ticket we leave it alone cause it won't be attached to the datetime
-            if ($ticket_to_remove->get('TKT_is_default')) {
-                continue;
-            }
-            // if this ticket has any registrations attached so then we just ARCHIVE
-            // because we don't actually permanently delete these tickets.
-            if ($ticket_to_remove->count_related('Registration') > 0) {
-                $ticket_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 tickets_sold)
-            $datetimes = $ticket_to_remove->get_many_related('Datetime');
-            foreach ($datetimes as $datetime) {
-                $ticket_to_remove->_remove_relation_to($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))
-            $ticket_to_remove->delete_related_permanently('Price');
-            do_action('AHEE__espresso_events_Pricing_Hooks___update_tkts_delete_ticket', $ticket_to_remove);
-            // finally let's delete this ticket
-            // (which should not be blocked at this point b/c we've removed all our relationships)
-            $ticket_to_remove->delete_permanently();
-        }
-        return $saved_tickets;
-    }
-
-
-    /**
-     * @access  protected
-     * @param EE_Ticket     $ticket
-     * @param EE_Datetime[] $saved_datetimes
-     * @param int[]         $added_datetimes
-     * @param int[]         $removed_datetimes
-     * @return EE_Ticket
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    protected function _update_ticket_datetimes(
-        EE_Ticket $ticket,
-        array $saved_datetimes = [],
-        array $added_datetimes = [],
-        array $removed_datetimes = []
-    ): EE_Ticket {
-        // to start we have to add the ticket to all the datetimes its supposed to be with,
-        // and removing the ticket from datetimes it got removed from.
-        // first let's add datetimes
-        if (! empty($added_datetimes) && is_array($added_datetimes)) {
-            foreach ($added_datetimes as $row_id) {
-                if (isset($saved_datetimes[ $row_id ]) && $saved_datetimes[ $row_id ] instanceof EE_Datetime) {
-                    $ticket->_add_relation_to($saved_datetimes[ $row_id ], 'Datetime');
-                    // Is this an existing ticket (has an ID) and does it have any sold?
-                    // If so, then we need to add that to the DTT sold because this DTT is getting added.
-                    if ($ticket->ID() && $ticket->sold() > 0) {
-                        $saved_datetimes[ $row_id ]->increaseSold($ticket->sold(), false);
-                    }
-                }
-            }
-        }
-        // then remove datetimes
-        if (! empty($removed_datetimes) && is_array($removed_datetimes)) {
-            foreach ($removed_datetimes as $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 datetime 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|float $ticket_price
-     * @param int|float $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,
-        array $price_rows = [],
-        $ticket_price = 0,
-        $base_price = 0,
-        int $base_price_id = 0
-    ): EE_Ticket {
-        // 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
-        return $this->_add_prices_to_ticket(
-            [],
-            $new_ticket,
-            true,
-            $base_price,
-            $base_price_id
-        );
-    }
-
-
-    /**
-     * 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(
-        array $prices,
-        EE_Ticket $ticket,
-        bool $new_prices = false,
-        $base_price = false,
-        $base_price_id = false
-    ): EE_Ticket {
-        // 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           = [];
-        // if $base_price ! FALSE then updating a base price.
-        if ($base_price !== false) {
-            $prices[1] = [
-                '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 ticket
-        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.
-            $PRC_values = [
-                'PRC_ID'         => ! empty($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;
-                $price                = EE_Registry::instance()->load_class(
-                    'Price',
-                    [$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;
-    }
-
-
-    /**
-     * @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 = [];
-        $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 = [
-            '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()
-            ),
-
-            // 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
-            '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()
-            ),
-            // 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'   => '',
-            'ticket_rows'              => '',
-            'ee_collapsible_status'    => ' 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 */
-        $datetime_model                       = EE_Registry::instance()->load_model('Datetime', [$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
-                ? $datetime->get_many_related(
-                    'Ticket',
-                    [
-                        [
-                            'OR' => ['TKT_deleted' => 1, 'TKT_deleted*' => 0],
-                        ],
-                        'default_where_conditions' => 'none',
-                        'order_by'                 => ['TKT_order' => 'ASC'],
-                    ]
-                )
-                : [];
-            // if there are no related tickets this is likely a new event OR auto-draft
-            // event so we need to generate the default tickets because datetimes
-            // ALWAYS have at least one related ticket!!.  EXCEPT, we dont' do this if there is already more than one
-            // datetime on the event.
-            if (empty($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 datetime rows
-        // and ticket rows so we start our datetime 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 = LoaderFactory::getLoader()->getShared(
-            'EventEspresso\core\domain\services\admin\notices\status_change\StatusChangeNotice'
-        );
-
-        $main_template_args['status_change_notice'] = $status_change_notice->display(
-            '__event-editor',
-            'espresso-events'
-        );
-
-        EEH_Template::display_template(
-            PRICING_TEMPLATE_PATH . 'event_tickets_metabox_main.template.php',
-            $main_template_args
-        );
-    }
-
-
-    /**
-     * @param int|string  $datetime_row
-     * @param EE_Datetime $datetime
-     * @param array       $datetime_tickets
-     * @param array       $all_tickets
-     * @param bool        $default
-     * @param array       $all_datetimes
-     * @return string
-     * @throws DomainException
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    protected function _get_datetime_row(
-        $datetime_row,
-        EE_Datetime $datetime,
-        array $datetime_tickets = [],
-        array $all_tickets = [],
-        bool $default = false,
-        array $all_datetimes = []
-    ): string {
-        return EEH_Template::display_template(
-            PRICING_TEMPLATE_PATH . 'event_tickets_datetime_row_wrapper.template.php',
-            [
-                '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,
-            ],
-            true
-        );
-    }
-
-
-    /**
-     * This method is used to generate a datetime 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|string       $datetime_row  The row number for the row being generated.
-     * @param EE_Datetime|null $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 EE_Error
-     * @throws ReflectionException
-     */
-    protected function _get_dtt_edit_row(
-        $datetime_row,
-        ?EE_Datetime $datetime,
-        bool $default,
-        array $all_datetimes
-    ): string {
-        // 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               = [
-            '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
-                ? 'dashicons dashicons-lock'
-                : 'trash-icon dashicons dashicons-post-trash clickable',
-            'reg_list_url'         => $default || ! $datetime->event() instanceof EE_Event
-                ? ''
-                : EE_Admin_Page::add_query_args_and_nonce(
-                    [
-                        'event_id' => $datetime->event()->ID(),
-                        'datetime_id' => $datetime->ID(),
-                        'use_filters' => true
-                    ],
-                    REG_ADMIN_URL
-                ),
-        ];
-        $template_args['show_trash'] = count($all_datetimes) === 1
-                                       && $template_args['trash_icon'] !== 'dashicons dashicons-lock'
-            ? '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|string       $datetime_row
-     * @param EE_Datetime|null $datetime
-     * @param array            $datetime_tickets
-     * @param array            $all_tickets
-     * @param bool             $default
-     * @return string
-     * @throws DomainException
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    protected function _get_dtt_attached_tickets_row(
-        $datetime_row,
-        ?EE_Datetime $datetime,
-        array $datetime_tickets = [],
-        array $all_tickets = [],
-        bool $default = false
-    ): string {
-        $default = $default || ! $datetime instanceof EE_Datetime;
-        $template_args = [
-            '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'                  => '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()
-            ),
-            // 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|string       $datetime_row
-     * @param int|string       $ticket_row
-     * @param EE_Datetime|null $datetime
-     * @param EE_Ticket|null   $ticket
-     * @param array            $datetime_tickets
-     * @param bool             $default
-     * @return string
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    protected function _get_datetime_tickets_list_item(
-        $datetime_row,
-        $ticket_row,
-        ?EE_Datetime $datetime,
-        ?EE_Ticket $ticket,
-        array $datetime_tickets = [],
-        bool $default = false
-    ): string {
-        $datetime_tickets = $datetime instanceof EE_Datetime && isset($datetime_tickets[ $datetime->ID() ])
-            ? $datetime_tickets[ $datetime->ID() ]
-            : [];
-        $display_row      = $ticket instanceof EE_Ticket ? $ticket->get('TKT_row') : 0;
-        $no_ticket        = $default && empty($ticket);
-        $template_args    = [
-            'dtt_row'                 => $default
-                ? 'DTTNUM'
-                : $datetime_row,
-            'tkt_row'                 => $no_ticket
-                ? 'TICKETNUM'
-                : $ticket_row,
-            'datetime_ticket_checked' => in_array($display_row, $datetime_tickets, true)
-                ? ' checked'
-                : '',
-            'ticket_selected'         => in_array($display_row, $datetime_tickets, 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|string     $ticket_row       Represents the row number being generated.
-     * @param EE_Ticket|null $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 string
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws DomainException
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    protected function _get_ticket_row(
-        $ticket_row,
-        ?EE_Ticket $ticket,
-        array $ticket_datetimes,
-        array $all_datetimes,
-        bool $default = false,
-        array $all_tickets = []
-    ): string {
-        // 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
-            ? $ticket->get_many_related(
-                'Price',
-                ['default_where_conditions' => 'none', 'order_by' => ['PRC_order' => 'ASC']]
-            )
-            : [];
-        // if there is only one price (which would be the base price)
-        // or NO prices and this ticket is a default ticket,
-        // let's just make sure there are no cached default prices on the object.
-        // This is done by not including any query_params.
-        if ($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_datetime = $default || ($ticket instanceof EE_Ticket && $ticket->is_default());
-        $ticket_datetimes = $ticket instanceof EE_Ticket && isset($ticket_datetimes[ $ticket->ID() ])
-            ? $ticket_datetimes[ $ticket->ID() ]
-            : [];
-        $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 = $ticket->taxable()
-                ? 'checked'
-                : '';
-        }
-        if ($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                 = [
-            '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'          => '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(),
-            'TKT_reserved'                  => $default ? 0 : $ticket->reserved(),
-            'TKT_registrations'             => $default
-                ? 0
-                : $ticket->count_registrations(
-                    [
-                        [
-                            'STS_ID' => [
-                                '!=',
-                                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 && $count_price_mods > 0)
-                ? ''
-                : 'display:none;',
-            'show_price_mod_button'         => count($prices) > 1
-                                               || ($default && $count_price_mods > 0)
-                                               || (! $default && $ticket->deleted())
-                ? 'display:none;'
-                : '',
-            'total_price_rows'              => count($prices) > 1 ? count($prices) : 1,
-            'ticket_datetimes_list'         => $default ? '<li class="hidden"></li>' : '',
-            'starting_ticket_datetime_rows' => $default || $default_datetime ? '' : implode(',', $ticket_datetimes),
-            'ticket_datetime_rows'          => $default ? '' : implode(',', $ticket_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()
-                ? ''
-                : '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()
-                ? 'dashicons dashicons-lock '
-                : '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
-                                         && $template_args['trash_icon'] !== 'dashicons dashicons-lock'
-            ? 'display:none'
-            : '';
-        // handle rows that should NOT be empty
-        if (empty($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_datetime = $this->_adminpage_obj->get_cpt_model_obj()->ID() > 0
-                ? $this->_adminpage_obj->get_cpt_model_obj()->get_first_related(
-                    'Datetime',
-                    ['order_by' => ['DTT_EVT_start' => 'ASC']]
-                )
-                : null;
-            if (! empty($earliest_datetime)) {
-                $template_args['TKT_end_date'] = $earliest_datetime->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|string     $ticket_row
-     * @param EE_Ticket|null $ticket
-     * @return string
-     * @throws DomainException
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    protected function _get_tax_rows($ticket_row, ?EE_Ticket $ticket): string
-    {
-        $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);
-            $template_args = [
-                'display_tax'       => ! empty($ticket) && $ticket->get('TKT_taxable')
-                    ? ''
-                    : '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
-     * @throws ReflectionException
-     */
-    protected function _get_tax_added(EE_Price $tax, ?EE_Ticket $ticket)
-    {
-        $subtotal = empty($ticket) ? 0 : $ticket->get_ticket_subtotal();
-        return $subtotal * $tax->get('PRC_amount') / 100;
-    }
-
-
-    /**
-     * @param int|string     $ticket_row
-     * @param int|string     $price_row
-     * @param EE_Price|null  $price
-     * @param bool           $default
-     * @param EE_Ticket|null $ticket
-     * @param bool           $show_trash
-     * @param bool           $show_create
-     * @return string
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws DomainException
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    protected function _get_ticket_price_row(
-        $ticket_row,
-        $price_row,
-        ?EE_Price $price,
-        bool $default,
-        ?EE_Ticket $ticket,
-        bool $show_trash = true,
-        bool $show_create = true
-    ): string {
-        $send_disabled = ! empty($ticket) && $ticket->get('TKT_deleted');
-        $template_args = [
-            '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, true)
-                : $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)
-                ? ''
-                : 'display:none;',
-            'show_plus'             => ($default && empty($price)) || ($price->is_discount() || $price->is_base_price())
-                ? 'display:none;'
-                : '',
-            'show_minus'            => ($default && empty($price)) || ! $price->is_discount()
-                ? 'display:none;'
-                : '',
-            'show_currency_symbol'  => ($default && empty($price)) || $price->is_percent()
-                ? 'display:none'
-                : '',
-            'PRC_amount'            => $default && empty($price)
-                ? 0
-                : $price->get_pretty('PRC_amount', 'localized_float'),
-            'show_percentage'       => ($default && empty($price)) || ! $price->is_percent()
-                ? '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|string    $ticket_row
-     * @param int|string    $price_row
-     * @param EE_Price|null $price
-     * @param bool          $default
-     * @param bool          $disabled
-     * @return string
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws DomainException
-     * @throws EE_Error
-     */
-    protected function _get_price_type_selector(
-        $ticket_row,
-        $price_row,
-        ?EE_Price $price,
-        bool $default,
-        bool $disabled = false
-    ): string {
-        if ($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|string    $ticket_row
-     * @param int|string    $price_row
-     * @param EE_Price|null $price
-     * @param bool          $default
-     * @return string
-     * @throws DomainException
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    protected function _get_base_price_template(
-        $ticket_row,
-        $price_row,
-        ?EE_Price $price,
-        bool $default
-    ): string {
-        $template_args = [
-            '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|string    $ticket_row
-     * @param int|string    $price_row
-     * @param EE_Price|null $price
-     * @param bool          $default
-     * @param bool          $disabled
-     * @return string
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws DomainException
-     * @throws EE_Error
-     */
-    protected function _get_price_modifier_template(
-        $ticket_row,
-        $price_row,
-        ?EE_Price $price,
-        bool $default,
-        bool $disabled = false
-    ): string {
-        $select_name = $default && ! $price instanceof EE_Price
-            ? 'edit_prices[TICKETNUM][PRICENUM][PRT_ID]'
-            : 'edit_prices[' . esc_attr($ticket_row) . '][' . esc_attr($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(
-            [
-                [
-                    'OR' => [
-                        'PBT_ID'  => '2',
-                        'PBT_ID*' => '3',
-                    ],
-                ],
-            ]
-        );
-        $all_price_types        = $default && ! $price instanceof EE_Price
-            ? [esc_html__('Select Modifier', 'event_espresso')]
-            : [];
-        $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          = [
-                '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,
-            [
-                '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             = [
-            '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|string       $datetime_row
-     * @param int|string       $ticket_row
-     * @param EE_Datetime|null $datetime
-     * @param EE_Ticket|null   $ticket
-     * @param array            $ticket_datetimes
-     * @param bool             $default
-     * @return string
-     * @throws DomainException
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    protected function _get_ticket_datetime_list_item(
-        $datetime_row,
-        $ticket_row,
-        ?EE_Datetime $datetime,
-        ?EE_Ticket $ticket,
-        array $ticket_datetimes = [],
-        bool $default = false
-    ): string {
-        $ticket_datetimes = $ticket instanceof EE_Ticket && isset($ticket_datetimes[ $ticket->ID() ])
-            ? $ticket_datetimes[ $ticket->ID() ]
-            : [];
-        $template_args    = [
-            'dtt_row'                  => $default && ! $datetime instanceof EE_Datetime
-                ? 'DTTNUM'
-                : $datetime_row,
-            'tkt_row'                  => $default
-                ? 'TICKETNUM'
-                : $ticket_row,
-            'ticket_datetime_selected' => in_array($datetime_row, $ticket_datetimes, true)
-                ? ' ticket-selected'
-                : '',
-            'ticket_datetime_checked'  => in_array($datetime_row, $ticket_datetimes, true)
-                ? ' 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 string
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws DomainException
-     * @throws EE_Error
-     */
-    protected function _get_ticket_js_structure(array $all_datetimes = [], array $all_tickets = []): string
-    {
-        $template_args = [
-            'default_datetime_edit_row' => $this->_get_dtt_edit_row(
-                'DTTNUM',
-                null,
-                true,
-                $all_datetimes
-            ),
-            'default_ticket_row'        => $this->_get_ticket_row(
-                'TICKETNUM',
-                null,
-                [],
-                [],
-                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,
-                [],
-                [],
-                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,
-                [],
-                true
-            ),
-            'new_available_ticket_datetime_list_item'  => $this->_get_ticket_datetime_list_item(
-                'DTTNUM',
-                'TICKETNUM',
-                null,
-                null,
-                [],
-                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,
-                [],
-                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,
-                [],
-                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
-        );
-    }
+					],
+					'DTT_OVERSELL_WARNING'  => [
+						'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'     => ['dayValue' => (int) get_option('start_of_week')],
+				],
+			],
+		];
+	}
+
+
+	/**
+	 * @param array $update_callbacks
+	 * @return array
+	 */
+	public function caf_updates(array $update_callbacks): array
+	{
+		unset($update_callbacks['_default_tickets_update']);
+		$update_callbacks['datetime_and_tickets_caf_update'] = [$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(EE_Event $event, array $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(EE_Event $event, array $data): array
+	{
+		$timezone            = $data['timezone_string'] ?? null;
+		$saved_datetime_ids  = [];
+		$saved_datetime_objs = [];
+		if (empty($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'];
+
+			$datetime_values              = [
+				'DTT_ID'          => ! empty($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'])) {
+				$datetime = EEM_Datetime::instance($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 $datetime_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_datetime_ids[ $datetime->ID() ] = $datetime->ID();
+			} else {
+				$datetime = EE_Datetime::new_instance(
+					$datetime_values,
+					$timezone,
+					[$this->_date_format_strings['date'], $this->_date_format_strings['time']]
+				);
+				foreach ($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_datetime_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_datetime_ids[ $DTT_ID ] = $DTT_ID;
+			$saved_datetime_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] === '' ? [] : $old_datetimes;
+		if (is_array($old_datetimes)) {
+			$datetimes_to_delete = array_diff($old_datetimes, $saved_datetime_ids);
+			foreach ($datetimes_to_delete as $id) {
+				$id = absint($id);
+				if (empty($id)) {
+					continue;
+				}
+				$datetime_to_remove = EE_Registry::instance()->load_model('Datetime')->get_one_by_ID($id);
+				// remove ticket relationships.
+				$related_tickets = $datetime_to_remove->get_many_related('Ticket');
+				foreach ($related_tickets as $ticket) {
+					$datetime_to_remove->_remove_relation_to($ticket, 'Ticket');
+				}
+				$event->_remove_relation_to($id, 'Datetime');
+				$datetime_to_remove->refresh_cache_of_related_objects();
+			}
+		}
+		return $saved_datetime_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(EE_Event $event, array $saved_datetimes, array $data): array
+	{
+		$new_ticket = null;
+		// stripslashes because WP filtered the $_POST ($data) array to add slashes
+		$data          = stripslashes_deep($data);
+		$timezone      = $data['timezone_string'] ?? null;
+		$saved_tickets = [];
+		$old_tickets   = isset($data['ticket_IDs']) ? explode(',', $data['ticket_IDs']) : [];
+		if (empty($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 => $ticket_data) {
+			$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_ticket_datetime_rows = explode(',', $data['starting_ticket_datetime_rows'][ $row ]);
+			$ticket_datetime_rows          = explode(',', $data['ticket_datetime_rows'][ $row ]);
+			$datetimes_added               = array_diff($ticket_datetime_rows, $starting_ticket_datetime_rows);
+			$datetimes_removed             = array_diff($starting_ticket_datetime_rows, $ticket_datetime_rows);
+			// trim inputs to ensure any excess whitespace is removed.
+			$ticket_data = array_map(
+				function ($ticket_data) {
+					return is_array($ticket_data) ? $ticket_data : trim($ticket_data);
+				},
+				$ticket_data
+			);
+			// 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).
+			$ticket_price = isset($ticket_data['TKT_price'])
+				? round((float) $ticket_data['TKT_price'], 3)
+				: 0;
+			// note incoming base price needs converted from localized value.
+			$base_price = isset($ticket_data['TKT_base_price'])
+				? EEH_Money::convert_to_float_from_localized_money($ticket_data['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 = $ticket_data['TKT_base_price_ID'] ?? 0;
+			$price_rows    = is_array($data['edit_prices']) && isset($data['edit_prices'][ $row ])
+				? $data['edit_prices'][ $row ]
+				: [];
+			$now           = null;
+			if (empty($ticket_data['TKT_start_date'])) {
+				// lets' use now in the set timezone.
+				$now                           = new DateTime('now', new DateTimeZone($event->get_timezone()));
+				$ticket_data['TKT_start_date'] = $now->format($this->_date_time_format);
+			}
+			if (empty($ticket_data['TKT_end_date'])) {
+				/**
+				 * set the TKT_end_date to the first datetime attached to the ticket.
+				 */
+				$first_datetime              = $saved_datetimes[ reset($ticket_datetime_rows) ];
+				$ticket_data['TKT_end_date'] = $first_datetime->start_date_and_time($this->_date_time_format);
+			}
+			$TKT_values = [
+				'TKT_ID'          => ! empty($ticket_data['TKT_ID']) ? $ticket_data['TKT_ID'] : null,
+				'TTM_ID'          => ! empty($ticket_data['TTM_ID']) ? $ticket_data['TTM_ID'] : 0,
+				'TKT_name'        => ! empty($ticket_data['TKT_name']) ? $ticket_data['TKT_name'] : '',
+				'TKT_description' => ! empty($ticket_data['TKT_description'])
+									 && $ticket_data['TKT_description'] !== esc_html__(
+										 'You can modify this description',
+										 'event_espresso'
+									 )
+					? $ticket_data['TKT_description']
+					: '',
+				'TKT_start_date'  => $ticket_data['TKT_start_date'],
+				'TKT_end_date'    => $ticket_data['TKT_end_date'],
+				'TKT_qty'         => ! isset($ticket_data['TKT_qty']) || $ticket_data['TKT_qty'] === ''
+					? EE_INF
+					: $ticket_data['TKT_qty'],
+				'TKT_uses'        => ! isset($ticket_data['TKT_uses']) || $ticket_data['TKT_uses'] === ''
+					? EE_INF
+					: $ticket_data['TKT_uses'],
+				'TKT_min'         => empty($ticket_data['TKT_min']) ? 0 : $ticket_data['TKT_min'],
+				'TKT_max'         => empty($ticket_data['TKT_max']) ? EE_INF : $ticket_data['TKT_max'],
+				'TKT_row'         => $row,
+				'TKT_order'       => $ticket_data['TKT_order'] ?? 0,
+				'TKT_taxable'     => ! empty($ticket_data['TKT_taxable']) ? 1 : 0,
+				'TKT_required'    => ! empty($ticket_data['TKT_required']) ? 1 : 0,
+				'TKT_price'       => $ticket_price,
+			];
+			// if this is a default TKT, then we need to set the TKT_ID to 0 and update accordingly,
+			// which means in turn that the prices will become new prices as well.
+			if (isset($ticket_data['TKT_is_default']) && $ticket_data['TKT_is_default']) {
+				$TKT_values['TKT_ID']         = 0;
+				$TKT_values['TKT_is_default'] = 0;
+				$update_prices                = true;
+			}
+			// if we have a TKT_ID then we need to get that existing TKT_obj and update it
+			// we actually do our saves ahead of doing any add_relations to
+			// because its entirely possible that this ticket wasn't removed or added to any datetime in the session
+			// but DID have it's items modified.
+			// keep in mind that if the TKT has been sold (and we have changed pricing information),
+			// then we won't be updating the ticket but instead a new ticket will be created and the old one archived.
+			if (absint($TKT_values['TKT_ID'])) {
+				$ticket = EEM_Ticket::instance($timezone)->get_one_by_ID($ticket_data['TKT_ID']);
+				if ($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',
+						[
+							[
+								'STS_ID' => ['NOT IN', [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_ticket = $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,
+					$timezone,
+					[$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(
+					[],
+					$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.
+			$ticket->ensure_TKT_Price_correct();
+			// handle CREATING a default ticket from the incoming ticket but ONLY if this isn't an autosave.
+			if (! defined('DOING_AUTOSAVE') && ! empty($ticket_data['TKT_is_default_selector'])) {
+				$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 datetime relations cause we DON'T want datetime 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,
+					true
+				);
+				// don't forget the base price!
+				$new_default = $this->_add_prices_to_ticket(
+					[],
+					$new_default,
+					true,
+					$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 datetime relationships for both current tickets and any archived tickets
+			// for the given datetime 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_ticket instanceof EE_Ticket) {
+				// save new TKT
+				$new_ticket->save();
+				// add new ticket to array
+				$saved_tickets[ $new_ticket->ID() ] = $new_ticket;
+				do_action(
+					'AHEE__espresso_events_Pricing_Hooks___update_tkts_new_ticket',
+					$new_ticket,
+					$row,
+					$ticket_data,
+					$data
+				);
+			} else {
+				// add ticket to saved tickets
+				$saved_tickets[ $ticket->ID() ] = $ticket;
+				do_action(
+					'AHEE__espresso_events_Pricing_Hooks___update_tkts_update_ticket',
+					$ticket,
+					$row,
+					$ticket_data,
+					$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] === '' ? [] : $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
+			$ticket_to_remove = EE_Registry::instance()->load_model('Ticket')->get_one_by_ID($id);
+			// if this ticket is a default ticket we leave it alone cause it won't be attached to the datetime
+			if ($ticket_to_remove->get('TKT_is_default')) {
+				continue;
+			}
+			// if this ticket has any registrations attached so then we just ARCHIVE
+			// because we don't actually permanently delete these tickets.
+			if ($ticket_to_remove->count_related('Registration') > 0) {
+				$ticket_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 tickets_sold)
+			$datetimes = $ticket_to_remove->get_many_related('Datetime');
+			foreach ($datetimes as $datetime) {
+				$ticket_to_remove->_remove_relation_to($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))
+			$ticket_to_remove->delete_related_permanently('Price');
+			do_action('AHEE__espresso_events_Pricing_Hooks___update_tkts_delete_ticket', $ticket_to_remove);
+			// finally let's delete this ticket
+			// (which should not be blocked at this point b/c we've removed all our relationships)
+			$ticket_to_remove->delete_permanently();
+		}
+		return $saved_tickets;
+	}
+
+
+	/**
+	 * @access  protected
+	 * @param EE_Ticket     $ticket
+	 * @param EE_Datetime[] $saved_datetimes
+	 * @param int[]         $added_datetimes
+	 * @param int[]         $removed_datetimes
+	 * @return EE_Ticket
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	protected function _update_ticket_datetimes(
+		EE_Ticket $ticket,
+		array $saved_datetimes = [],
+		array $added_datetimes = [],
+		array $removed_datetimes = []
+	): EE_Ticket {
+		// to start we have to add the ticket to all the datetimes its supposed to be with,
+		// and removing the ticket from datetimes it got removed from.
+		// first let's add datetimes
+		if (! empty($added_datetimes) && is_array($added_datetimes)) {
+			foreach ($added_datetimes as $row_id) {
+				if (isset($saved_datetimes[ $row_id ]) && $saved_datetimes[ $row_id ] instanceof EE_Datetime) {
+					$ticket->_add_relation_to($saved_datetimes[ $row_id ], 'Datetime');
+					// Is this an existing ticket (has an ID) and does it have any sold?
+					// If so, then we need to add that to the DTT sold because this DTT is getting added.
+					if ($ticket->ID() && $ticket->sold() > 0) {
+						$saved_datetimes[ $row_id ]->increaseSold($ticket->sold(), false);
+					}
+				}
+			}
+		}
+		// then remove datetimes
+		if (! empty($removed_datetimes) && is_array($removed_datetimes)) {
+			foreach ($removed_datetimes as $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 datetime 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|float $ticket_price
+	 * @param int|float $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,
+		array $price_rows = [],
+		$ticket_price = 0,
+		$base_price = 0,
+		int $base_price_id = 0
+	): EE_Ticket {
+		// 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
+		return $this->_add_prices_to_ticket(
+			[],
+			$new_ticket,
+			true,
+			$base_price,
+			$base_price_id
+		);
+	}
+
+
+	/**
+	 * 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(
+		array $prices,
+		EE_Ticket $ticket,
+		bool $new_prices = false,
+		$base_price = false,
+		$base_price_id = false
+	): EE_Ticket {
+		// 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           = [];
+		// if $base_price ! FALSE then updating a base price.
+		if ($base_price !== false) {
+			$prices[1] = [
+				'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 ticket
+		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.
+			$PRC_values = [
+				'PRC_ID'         => ! empty($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;
+				$price                = EE_Registry::instance()->load_class(
+					'Price',
+					[$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;
+	}
+
+
+	/**
+	 * @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 = [];
+		$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 = [
+			'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()
+			),
+
+			// 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
+			'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()
+			),
+			// 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'   => '',
+			'ticket_rows'              => '',
+			'ee_collapsible_status'    => ' 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 */
+		$datetime_model                       = EE_Registry::instance()->load_model('Datetime', [$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
+				? $datetime->get_many_related(
+					'Ticket',
+					[
+						[
+							'OR' => ['TKT_deleted' => 1, 'TKT_deleted*' => 0],
+						],
+						'default_where_conditions' => 'none',
+						'order_by'                 => ['TKT_order' => 'ASC'],
+					]
+				)
+				: [];
+			// if there are no related tickets this is likely a new event OR auto-draft
+			// event so we need to generate the default tickets because datetimes
+			// ALWAYS have at least one related ticket!!.  EXCEPT, we dont' do this if there is already more than one
+			// datetime on the event.
+			if (empty($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 datetime rows
+		// and ticket rows so we start our datetime 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 = LoaderFactory::getLoader()->getShared(
+			'EventEspresso\core\domain\services\admin\notices\status_change\StatusChangeNotice'
+		);
+
+		$main_template_args['status_change_notice'] = $status_change_notice->display(
+			'__event-editor',
+			'espresso-events'
+		);
+
+		EEH_Template::display_template(
+			PRICING_TEMPLATE_PATH . 'event_tickets_metabox_main.template.php',
+			$main_template_args
+		);
+	}
+
+
+	/**
+	 * @param int|string  $datetime_row
+	 * @param EE_Datetime $datetime
+	 * @param array       $datetime_tickets
+	 * @param array       $all_tickets
+	 * @param bool        $default
+	 * @param array       $all_datetimes
+	 * @return string
+	 * @throws DomainException
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	protected function _get_datetime_row(
+		$datetime_row,
+		EE_Datetime $datetime,
+		array $datetime_tickets = [],
+		array $all_tickets = [],
+		bool $default = false,
+		array $all_datetimes = []
+	): string {
+		return EEH_Template::display_template(
+			PRICING_TEMPLATE_PATH . 'event_tickets_datetime_row_wrapper.template.php',
+			[
+				'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,
+			],
+			true
+		);
+	}
+
+
+	/**
+	 * This method is used to generate a datetime 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|string       $datetime_row  The row number for the row being generated.
+	 * @param EE_Datetime|null $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 EE_Error
+	 * @throws ReflectionException
+	 */
+	protected function _get_dtt_edit_row(
+		$datetime_row,
+		?EE_Datetime $datetime,
+		bool $default,
+		array $all_datetimes
+	): string {
+		// 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               = [
+			'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
+				? 'dashicons dashicons-lock'
+				: 'trash-icon dashicons dashicons-post-trash clickable',
+			'reg_list_url'         => $default || ! $datetime->event() instanceof EE_Event
+				? ''
+				: EE_Admin_Page::add_query_args_and_nonce(
+					[
+						'event_id' => $datetime->event()->ID(),
+						'datetime_id' => $datetime->ID(),
+						'use_filters' => true
+					],
+					REG_ADMIN_URL
+				),
+		];
+		$template_args['show_trash'] = count($all_datetimes) === 1
+									   && $template_args['trash_icon'] !== 'dashicons dashicons-lock'
+			? '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|string       $datetime_row
+	 * @param EE_Datetime|null $datetime
+	 * @param array            $datetime_tickets
+	 * @param array            $all_tickets
+	 * @param bool             $default
+	 * @return string
+	 * @throws DomainException
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	protected function _get_dtt_attached_tickets_row(
+		$datetime_row,
+		?EE_Datetime $datetime,
+		array $datetime_tickets = [],
+		array $all_tickets = [],
+		bool $default = false
+	): string {
+		$default = $default || ! $datetime instanceof EE_Datetime;
+		$template_args = [
+			'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'                  => '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()
+			),
+			// 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|string       $datetime_row
+	 * @param int|string       $ticket_row
+	 * @param EE_Datetime|null $datetime
+	 * @param EE_Ticket|null   $ticket
+	 * @param array            $datetime_tickets
+	 * @param bool             $default
+	 * @return string
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	protected function _get_datetime_tickets_list_item(
+		$datetime_row,
+		$ticket_row,
+		?EE_Datetime $datetime,
+		?EE_Ticket $ticket,
+		array $datetime_tickets = [],
+		bool $default = false
+	): string {
+		$datetime_tickets = $datetime instanceof EE_Datetime && isset($datetime_tickets[ $datetime->ID() ])
+			? $datetime_tickets[ $datetime->ID() ]
+			: [];
+		$display_row      = $ticket instanceof EE_Ticket ? $ticket->get('TKT_row') : 0;
+		$no_ticket        = $default && empty($ticket);
+		$template_args    = [
+			'dtt_row'                 => $default
+				? 'DTTNUM'
+				: $datetime_row,
+			'tkt_row'                 => $no_ticket
+				? 'TICKETNUM'
+				: $ticket_row,
+			'datetime_ticket_checked' => in_array($display_row, $datetime_tickets, true)
+				? ' checked'
+				: '',
+			'ticket_selected'         => in_array($display_row, $datetime_tickets, 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|string     $ticket_row       Represents the row number being generated.
+	 * @param EE_Ticket|null $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 string
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws DomainException
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	protected function _get_ticket_row(
+		$ticket_row,
+		?EE_Ticket $ticket,
+		array $ticket_datetimes,
+		array $all_datetimes,
+		bool $default = false,
+		array $all_tickets = []
+	): string {
+		// 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
+			? $ticket->get_many_related(
+				'Price',
+				['default_where_conditions' => 'none', 'order_by' => ['PRC_order' => 'ASC']]
+			)
+			: [];
+		// if there is only one price (which would be the base price)
+		// or NO prices and this ticket is a default ticket,
+		// let's just make sure there are no cached default prices on the object.
+		// This is done by not including any query_params.
+		if ($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_datetime = $default || ($ticket instanceof EE_Ticket && $ticket->is_default());
+		$ticket_datetimes = $ticket instanceof EE_Ticket && isset($ticket_datetimes[ $ticket->ID() ])
+			? $ticket_datetimes[ $ticket->ID() ]
+			: [];
+		$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 = $ticket->taxable()
+				? 'checked'
+				: '';
+		}
+		if ($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                 = [
+			'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'          => '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(),
+			'TKT_reserved'                  => $default ? 0 : $ticket->reserved(),
+			'TKT_registrations'             => $default
+				? 0
+				: $ticket->count_registrations(
+					[
+						[
+							'STS_ID' => [
+								'!=',
+								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 && $count_price_mods > 0)
+				? ''
+				: 'display:none;',
+			'show_price_mod_button'         => count($prices) > 1
+											   || ($default && $count_price_mods > 0)
+											   || (! $default && $ticket->deleted())
+				? 'display:none;'
+				: '',
+			'total_price_rows'              => count($prices) > 1 ? count($prices) : 1,
+			'ticket_datetimes_list'         => $default ? '<li class="hidden"></li>' : '',
+			'starting_ticket_datetime_rows' => $default || $default_datetime ? '' : implode(',', $ticket_datetimes),
+			'ticket_datetime_rows'          => $default ? '' : implode(',', $ticket_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()
+				? ''
+				: '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()
+				? 'dashicons dashicons-lock '
+				: '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
+										 && $template_args['trash_icon'] !== 'dashicons dashicons-lock'
+			? 'display:none'
+			: '';
+		// handle rows that should NOT be empty
+		if (empty($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_datetime = $this->_adminpage_obj->get_cpt_model_obj()->ID() > 0
+				? $this->_adminpage_obj->get_cpt_model_obj()->get_first_related(
+					'Datetime',
+					['order_by' => ['DTT_EVT_start' => 'ASC']]
+				)
+				: null;
+			if (! empty($earliest_datetime)) {
+				$template_args['TKT_end_date'] = $earliest_datetime->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|string     $ticket_row
+	 * @param EE_Ticket|null $ticket
+	 * @return string
+	 * @throws DomainException
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	protected function _get_tax_rows($ticket_row, ?EE_Ticket $ticket): string
+	{
+		$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);
+			$template_args = [
+				'display_tax'       => ! empty($ticket) && $ticket->get('TKT_taxable')
+					? ''
+					: '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
+	 * @throws ReflectionException
+	 */
+	protected function _get_tax_added(EE_Price $tax, ?EE_Ticket $ticket)
+	{
+		$subtotal = empty($ticket) ? 0 : $ticket->get_ticket_subtotal();
+		return $subtotal * $tax->get('PRC_amount') / 100;
+	}
+
+
+	/**
+	 * @param int|string     $ticket_row
+	 * @param int|string     $price_row
+	 * @param EE_Price|null  $price
+	 * @param bool           $default
+	 * @param EE_Ticket|null $ticket
+	 * @param bool           $show_trash
+	 * @param bool           $show_create
+	 * @return string
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws DomainException
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	protected function _get_ticket_price_row(
+		$ticket_row,
+		$price_row,
+		?EE_Price $price,
+		bool $default,
+		?EE_Ticket $ticket,
+		bool $show_trash = true,
+		bool $show_create = true
+	): string {
+		$send_disabled = ! empty($ticket) && $ticket->get('TKT_deleted');
+		$template_args = [
+			'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, true)
+				: $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)
+				? ''
+				: 'display:none;',
+			'show_plus'             => ($default && empty($price)) || ($price->is_discount() || $price->is_base_price())
+				? 'display:none;'
+				: '',
+			'show_minus'            => ($default && empty($price)) || ! $price->is_discount()
+				? 'display:none;'
+				: '',
+			'show_currency_symbol'  => ($default && empty($price)) || $price->is_percent()
+				? 'display:none'
+				: '',
+			'PRC_amount'            => $default && empty($price)
+				? 0
+				: $price->get_pretty('PRC_amount', 'localized_float'),
+			'show_percentage'       => ($default && empty($price)) || ! $price->is_percent()
+				? '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|string    $ticket_row
+	 * @param int|string    $price_row
+	 * @param EE_Price|null $price
+	 * @param bool          $default
+	 * @param bool          $disabled
+	 * @return string
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws DomainException
+	 * @throws EE_Error
+	 */
+	protected function _get_price_type_selector(
+		$ticket_row,
+		$price_row,
+		?EE_Price $price,
+		bool $default,
+		bool $disabled = false
+	): string {
+		if ($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|string    $ticket_row
+	 * @param int|string    $price_row
+	 * @param EE_Price|null $price
+	 * @param bool          $default
+	 * @return string
+	 * @throws DomainException
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	protected function _get_base_price_template(
+		$ticket_row,
+		$price_row,
+		?EE_Price $price,
+		bool $default
+	): string {
+		$template_args = [
+			'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|string    $ticket_row
+	 * @param int|string    $price_row
+	 * @param EE_Price|null $price
+	 * @param bool          $default
+	 * @param bool          $disabled
+	 * @return string
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws DomainException
+	 * @throws EE_Error
+	 */
+	protected function _get_price_modifier_template(
+		$ticket_row,
+		$price_row,
+		?EE_Price $price,
+		bool $default,
+		bool $disabled = false
+	): string {
+		$select_name = $default && ! $price instanceof EE_Price
+			? 'edit_prices[TICKETNUM][PRICENUM][PRT_ID]'
+			: 'edit_prices[' . esc_attr($ticket_row) . '][' . esc_attr($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(
+			[
+				[
+					'OR' => [
+						'PBT_ID'  => '2',
+						'PBT_ID*' => '3',
+					],
+				],
+			]
+		);
+		$all_price_types        = $default && ! $price instanceof EE_Price
+			? [esc_html__('Select Modifier', 'event_espresso')]
+			: [];
+		$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          = [
+				'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,
+			[
+				'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             = [
+			'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|string       $datetime_row
+	 * @param int|string       $ticket_row
+	 * @param EE_Datetime|null $datetime
+	 * @param EE_Ticket|null   $ticket
+	 * @param array            $ticket_datetimes
+	 * @param bool             $default
+	 * @return string
+	 * @throws DomainException
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	protected function _get_ticket_datetime_list_item(
+		$datetime_row,
+		$ticket_row,
+		?EE_Datetime $datetime,
+		?EE_Ticket $ticket,
+		array $ticket_datetimes = [],
+		bool $default = false
+	): string {
+		$ticket_datetimes = $ticket instanceof EE_Ticket && isset($ticket_datetimes[ $ticket->ID() ])
+			? $ticket_datetimes[ $ticket->ID() ]
+			: [];
+		$template_args    = [
+			'dtt_row'                  => $default && ! $datetime instanceof EE_Datetime
+				? 'DTTNUM'
+				: $datetime_row,
+			'tkt_row'                  => $default
+				? 'TICKETNUM'
+				: $ticket_row,
+			'ticket_datetime_selected' => in_array($datetime_row, $ticket_datetimes, true)
+				? ' ticket-selected'
+				: '',
+			'ticket_datetime_checked'  => in_array($datetime_row, $ticket_datetimes, true)
+				? ' 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 string
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws DomainException
+	 * @throws EE_Error
+	 */
+	protected function _get_ticket_js_structure(array $all_datetimes = [], array $all_tickets = []): string
+	{
+		$template_args = [
+			'default_datetime_edit_row' => $this->_get_dtt_edit_row(
+				'DTTNUM',
+				null,
+				true,
+				$all_datetimes
+			),
+			'default_ticket_row'        => $this->_get_ticket_row(
+				'TICKETNUM',
+				null,
+				[],
+				[],
+				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,
+				[],
+				[],
+				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,
+				[],
+				true
+			),
+			'new_available_ticket_datetime_list_item'  => $this->_get_ticket_datetime_list_item(
+				'DTTNUM',
+				'TICKETNUM',
+				null,
+				null,
+				[],
+				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,
+				[],
+				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,
+				[],
+				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
+		);
+	}
 }