EE_MER_Events_Admin.class.php

<?php

/**
 * Class EE_MER_Events_Admin
 *
 * Adds MER related functionality to the EE Events Admin page
 *
 * @package             Event Espresso
 * @subpackage  core
 * @author              Darren Ethier
 * @since                4.7
 *
 */

class EE_MER_Events_Admin
{
    function __construct()
    {
        add_filter(
            'FHEE__Events_Admin_Page__get_events__where',
            array( $this, 'event_list_query_params' ),
            10,
            2
        );
        add_filter(
            'FHEE__EE_Admin_Page___display_admin_list_table_page__before_list_table__template_arg',
            array( $this, 'before_events_list_table_content' ),
            10,
            4
        );
    }



    /**
     * Callback for FHEE__Events_Admin_Page__get_events__where filter on Event List table to maybe filter by Event when
     * incoming request is for the events in a specific transaction.
     *
     * @param array $where existing where params
     * @param array $req_data incoming request data
     * @return array
     */
    public static function event_list_query_params($where, $req_data)
    {
        if (! empty($req_data['EVT_IDs']) && ! empty($req_data['TXN_ID'])) {
            $where['EVT_ID'] = array( 'IN', explode(',', $req_data['EVT_IDs']) );
        }
        return $where;
    }



    /**
     * Callback for FHEE__EE_Admin_Page___display_admin_list_table_page__before_list_table__template_arg for adding
     * helpful title.
     *
     * @param string $content Current content
     * @param string $page_slug Page slug for page
     * @param array $req_data Incoming request data
     * @param string $req_action 'action' value for page
     *
     * @return string   If correct page and conditions are met, the new string. Otherwise existing string.
     */
    public static function before_events_list_table_content($content, $page_slug, $req_data, $req_action)
    {
        if ($page_slug !== 'espresso_events' || $req_action !== 'default' || empty($req_data['TXN_ID'])) {
            return $content;
        }
        $transaction = EEM_Transaction::instance()->get_one_by_ID($req_data['TXN_ID']);
        if ($transaction instanceof EE_Transaction) {
            $query_args = array(
                'page'   => 'espresso_transactions',
                'action' => 'view_transaction',
                'TXN_ID' => $req_data['TXN_ID']
            );
            EE_Registry::instance()->load_helper('URL');
            $url = EEH_URL::add_query_args_and_nonce($query_args, admin_url('admin.php'));
            $link_text = '<a href="' . $url . '">' . $transaction->ID() . '</a>';
            $content .= '<h2>' . sprintf(__('Events Registered for in Transaction # %s', 'event_espresso'), $link_text) . '</h2>';
        }
        return $content;
    }
}
// End of file EE_MER_Events_Admin.class.php
// Location: /EE_MER_Events_Admin.class.php