Ticket #2893: camptix-add-flag-filtering.diff

wordcamp.org/public_html/wp-content/plugins/camptix-admin-flags/addons/admin-flags.php

@@ -44 +44 @@
                         // Bulk editing from Attendees screen
                         add_filter( 'manage_tix_attendee_posts_columns', array( $this, 'add_custom_columns' ) );
                         add_action( 'manage_tix_attendee_posts_custom_column', array( $this, 'render_custom_columns' ), 10, 2 );
+                        add_filter( 'views_edit-tix_attendee', array( $this, 'add_custom_filters' ) );
+                        add_filter( 'pre_get_posts', array( $this, 'add_custom_filters_post_filter' ) );
                         add_action( 'admin_footer-edit.php', array( $this, 'render_client_side_templates' ) );
                         add_action( 'wp_ajax_tix_admin_flag_toggle', array( $this, 'toggle_flag' ) );
                         add_action( 'admin_footer-edit.php', array( $this, 'print_javascript' ) );
@@ -301 +303 @@
         }
 
         /**
+         * Add custom views to the attendee listing post listing.
+         */
+        public function add_custom_filters( $views ) {
+                global $wpdb;
+                if ( 'tix_attendee' != $GLOBALS['typenow'] || ! $this->flags ) {
+                        return $views;
+                }
+
+                $meta_counts = $wpdb->get_results( "SELECT meta_value, COUNT(post_id) AS count FROM {$wpdb->postmeta} WHERE meta_key = 'camptix-admin-flag' GROUP BY meta_value", ARRAY_A );
+                $meta_counts = wp_list_pluck( $meta_counts, 'count', 'meta_value' );
+                if ( ! $meta_counts ) {
+                        return $views;
+                }
+
+                $currently_viewed_flag = !empty( $_GET['camptix_flag'] ) ? wp_unslash( $_GET['camptix_flag'] ) : false;
+
+                $base_url = add_query_arg( 'post_type', 'tix_attendee', 'edit.php' );
+
+                foreach ( $this->flags as $flag => $label ) {
+                        $url = add_query_arg( 'camptix_flag', $flag, $base_url );
+
+                        $class_html = '';
+                        if ( $currently_viewed_flag && $currently_viewed_flag == $flag ) {
+                                $class_html = ' class="current"';
+                        }
+
+                        $count = 0;
+                        if ( isset( $meta_counts[ $flag ] ) ) {
+                                $count = $meta_counts[ $flag ];
+                        }
+
+                        $views[ $flag ] = sprintf(
+                                '<a href="%s"%s>%s <span class="count">(%s)</span></a>',
+                                esc_url( $url ),
+                                $class_html,
+                                $label,
+                                number_format_i18n( $count )
+                        );
+
+                }
+
+                return $views;
+        }
+
+        /**
+         * Filter the wp-admin post listing query to filter to admin flags.
+         */
+        public function add_custom_filters_post_filter( $query ) {
+                if ( ! is_admin() || 'tix_attendee' != $GLOBALS['typenow'] ) {
+                        return $query;
+                }
+
+                $flag = !empty( $_GET['camptix_flag'] ) ? wp_unslash( $_GET['camptix_flag'] ) : false;
+                if ( ! isset( $this->flags[ $flag ] ) ) {
+                        $flag = false;
+                }
+
+                if ( $flag ) {
+                        if ( ! isset( $query->query_vars['meta_query'] ) ) {
+                                $query->query_vars['meta_query'] = array();
+                        }
+
+                        $query->query_vars['meta_query'][] = array(
+                                'key' => 'camptix-admin-flag',
+                                'value' => $flag,
+                                'compare' => '=',
+                                'type' => 'CHAR',
+                        );
+                }
+
+                return $query;
+        }
+
+        /**
          * Render the templates used by JavaScript
          */
         public function render_client_side_templates() {