Changeset 23355 for trunk/wp-admin/includes/ajax-actions.php

Timestamp:

01/29/2013 06:15:25 AM (13 years ago)

Author:

azaozz

Message:

Heartbeat API: first run, see #23216

File:

• trunk/wp-admin/includes/ajax-actions.php (modified) (1 diff)

trunk/wp-admin/includes/ajax-actions.php

@@ -2072 +2072 @@
     wp_send_json_success( $html );
 }
+
+function wp_ajax_heartbeat() {
+    check_ajax_referer( 'heartbeat-nonce', '_nonce' );
+    $response = array( 'pagenow' => '' );
+
+    if ( ! empty($_POST['pagenow']) )
+        $response['pagenow'] = sanitize_key($_POST['pagenow']);
+    
+    if ( ! empty($_POST['data']) ) {
+        $data = (array) $_POST['data'];
+        // todo: how much to sanitize and preset and what to leave to be accessed from $data or $_POST..?
+        $user = wp_get_current_user();
+        $data['user_id'] = $user->exists() ? $user->ID : 0;
+
+        // todo: separate filters: 'heartbeat_[action]' so we call different callbacks only when there is data for them,
+        // or all callbacks listen to one filter and run when there is something for them in $data?
+        $response = apply_filters( 'heartbeat_received', $response, $data );
+    }
+
+    $response = apply_filters( 'heartbeat_send', $response );
+
+    // Allow the transport to be replaced with long-polling easily
+    do_action( 'heartbeat_tick', $response );
+
+    // always send the current time acording to the server
+    $response['time'] = time();
+
+    wp_send_json($response);
+}