EE_MER_Transactions_Admin.class.php

<?php

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

class EE_MER_Transactions_Admin
{
    function __construct()
    {
        // transaction list table event links and the corresponding filter of queries on event page.
        $transactions_list_table_screen_id = sanitize_title(__('Event Espresso', 'event_espresso')) . '_page_espresso_transactions';
        add_filter(
            'FHEE_manage_' . $transactions_list_table_screen_id . '_columns',
            array( $this, 'transaction_list_table_events_column' ),
            10,
            1
        );
        add_action(
            'AHEE__EE_Admin_List_Table__column_events__' . $transactions_list_table_screen_id,
            array( $this, 'transaction_list_table_events_column_content' ),
            10,
            1
        );
    }



    /**
     * Callback for transaction list table column action for new events column.
     *
     * @param EE_Transaction $transaction
     * @return string
     */
    public function transaction_list_table_events_column_content($transaction)
    {
        if (! $transaction instanceof EE_Transaction) {
            return;
        }
        // get event ids
        $registrations = $transaction->registrations();
        $event_IDs = array();
        foreach ($registrations as $registration) {
            if ($registration instanceof EE_Registration) {
                if ($registration->event_ID() && ! in_array($registration->event_ID(), $event_IDs)) {
                    $event_IDs[] = $registration->event_ID();
                }
            }
        }
        if (! empty($event_IDs)) {
            $count = count($event_IDs);
            $event_IDs = implode(',', $event_IDs);
            $url = add_query_arg(array(
                'EVT_IDs' => $event_IDs,
                'TXN_ID'  => $transaction->ID(),
                'page'    => 'espresso_events',
                'action'  => 'default'
            ), admin_url('admin.php'));
            echo '<a href="' . $url . '">' . sprintf(_n('1 Event', '%d Events', $count, 'event_espresso'), $count) . '</a>';
        }
    }



    /**
     * Callback for transaction list table manage columns action to remove existing event name column
     * Registration and add new events column registration in place of.
     *
     * @param array $columns This is an array of columns setup for the list table.
     * @return array
     */
    public function transaction_list_table_events_column($columns)
    {
        // looping through columns and setting up new array to preserve location of new events column.
        $new_columns = array();
        foreach ($columns as $column_name => $label) {
            if ($column_name == 'event_name') {
                $new_columns['events'] = __('Events', 'event_espresso');
            } else {
                $new_columns[ $column_name ] = $label;
            }
        }
        return $new_columns;
    }
}
// End of file EE_MER_Transactions_Admin.class.php
// Location: /EE_MER_Transactions_Admin.class.php