/**
     * Manage core column content.
     *
     * @since  3.0.0
     * @param  array   $column  Column currently processed
     * @param  integer $post_id ID of the post being processed
     */
    public function core_custom_columns_content($column, $post_id)
    {
        switch ($column) {
            case 'ticket_id':
                $link = add_query_arg(array('post' => $post_id, 'action' => 'edit'), admin_url('post.php'));
                echo "<a href='{$link}'>#{$post_id}</a>";
                break;
            case 'wpas-assignee':
                $assignee = get_post_meta($post_id, '_wpas_assignee', true);
                $agent = get_user_by('id', $assignee);
                echo $agent->data->display_name;
                break;
            case 'wpas-activity':
                $latest = null;
                $tags = array();
                $activity_meta = get_transient("wpas_activity_meta_post_{$post_id}");
                if (false === $activity_meta) {
                    $post = get_post($post_id);
                    $activity_meta = array();
                    $activity_meta['ticket_date'] = $post->post_date;
                    /* Get the last reply if any */
                    $latest = new WP_Query(array('posts_per_page' => 1, 'orderby' => 'post_date', 'order' => 'DESC', 'post_type' => 'ticket_reply', 'post_parent' => $post_id, 'post_status' => array('unread', 'read'), 'no_found_rows' => true, 'cache_results' => false, 'update_post_term_cache' => false, 'update_post_meta_cache' => false));
                    if (!empty($latest->posts)) {
                        $user_data = get_user_by('id', $latest->post->post_author);
                        $activity_meta['user_link'] = add_query_arg(array('user_id' => $latest->post->post_author), admin_url('user-edit.php'));
                        $activity_meta['user_id'] = $latest->post->post_author;
                        $activity_meta['user_nicename'] = $user_data->user_nicename;
                        $activity_meta['reply_date'] = $latest->post->post_date;
                    }
                    set_transient("wpas_activity_meta_post_{$post_id}", $activity_meta, apply_filters('wpas_activity_meta_transient_lifetime', 60 * 60 * 1));
                    // Set to 1 hour by default
                }
                echo '<ul>';
                // if ( isset( $mode ) && 'details' == $mode ):
                if (1 === 1) {
                    ?>
<li><?php 
                    printf(_x('Created %s ago.', 'Ticket created on', 'wpas'), human_time_diff(get_the_time('U', $post_id), current_time('timestamp')));
                    ?>
</li><?php 
                    /**
                     * We check when was the last reply (if there was a reply).
                     * Then, we compute the ticket age and if it is considered as
                     * old, we display an informational tag.
                     */
                    if (!isset($activity_meta['reply_date'])) {
                        echo '<li>';
                        echo _x('No reply yet.', 'No last reply', 'wpas');
                        echo '</li>';
                    } else {
                        $args = array('post_parent' => $post_id, 'post_type' => 'ticket_reply', 'post_status' => array('unread', 'read'), 'posts_per_page' => -1, 'orderby' => 'date', 'order' => 'DESC', 'no_found_rows' => true, 'cache_results' => false, 'update_post_term_cache' => false, 'update_post_meta_cache' => false);
                        $query = new WP_Query($args);
                        $role = true === user_can($activity_meta['user_id'], 'edit_ticket') ? _x('agent', 'User role', 'wpas') : _x('client', 'User role', 'wpas');
                        ?>
<li><?php 
                        echo _x(sprintf(_n('%s reply.', '%s replies.', $query->post_count, 'wpas'), $query->post_count), 'Number of replies to a ticket', 'wpas');
                        ?>
</li><?php 
                        ?>
<li><?php 
                        printf(_x('<a href="%s">Last replied</a> %s ago by %s (%s).', 'Last reply ago', 'wpas'), add_query_arg(array('post' => $post_id, 'action' => 'edit'), admin_url('post.php')) . '#wpas-post-' . $query->posts[0]->ID, human_time_diff(strtotime($activity_meta['reply_date']), current_time('timestamp')), '<a href="' . $activity_meta['user_link'] . '">' . $activity_meta['user_nicename'] . '</a>', $role);
                        ?>
</li><?php 
                    }
                }
                /**
                 * Add tags
                 */
                if (true === wpas_is_reply_needed($post_id, $latest)) {
                    $color = false !== ($c = wpas_get_option('color_awaiting_reply', false)) ? $c : '#0074a2';
                    array_push($tags, "<span class='wpas-label' style='background-color:{$color};'>" . __('Awaiting Support Reply', 'wpas') . "</span>");
                }
                if (true === wpas_is_ticket_old($post_id, $latest)) {
                    $old_color = wpas_get_option('color_old');
                    array_push($tags, "<span class='wpas-label' style='background-color:{$old_color};'>" . __('Old', 'wpas') . "</span>");
                }
                if (!empty($tags)) {
                    echo '<li>' . implode(' ', $tags) . '</li>';
                }
                echo '</ul>';
                break;
        }
    }
 /**
  * Filter the list of CSS classes for the current post.
  *
  * @since 3.3
  *
  * @param array $classes An array of post classes.
  * @param array $class   An array of additional classes added to the post.
  * @param int   $post_id The post ID.
  *
  * @return array
  */
 public function ticket_row_class($classes, $class, $post_id)
 {
     global $pagenow;
     if ('edit.php' !== $pagenow || !isset($_GET['post_type']) || isset($_GET['post_type']) && 'ticket' !== $_GET['post_type']) {
         return $classes;
     }
     if (!is_admin()) {
         return $classes;
     }
     if ('ticket' !== get_post_type($post_id)) {
         return $classes;
     }
     $replies = $this->get_replies_query($post_id);
     if (true === wpas_is_reply_needed($post_id, $replies)) {
         $classes[] = 'wpas-awaiting-support-reply';
     }
     return $classes;
 }