LinksUpdate: Add functions returning changed page properties

[lhc/web/wiklou.git] / includes / deferred / LinksUpdate.php

diff --git a/includes/deferred/LinksUpdate.php b/includes/deferred/LinksUpdate.php
index 5e02c5c..ec7360e 100644 (file)
--- a/includes/deferred/LinksUpdate.php
+++ b/includes/deferred/LinksUpdate.php
@@ -79,6 +79,16 @@ class LinksUpdate extends SqlDataUpdate implements EnqueueableDataUpdate {
         */
        private $linkDeletions = null;
 
+       /**
+        * @var null|array Added properties if calculated.
+        */
+       private $propertyInsertions = null;
+
+       /**
+        * @var null|array Deleted properties if calculated.
+        */
+       private $propertyDeletions = null;
+
        /**
         * @var User|null
         */
@@ -234,12 +244,13 @@ class LinksUpdate extends SqlDataUpdate implements EnqueueableDataUpdate {
 
                # Page properties
                $existing = $this->getExistingProperties();
-               $propertiesDeletes = $this->getPropertyDeletions( $existing );
-               $this->incrTableUpdate( 'page_props', 'pp', $propertiesDeletes,
+               $this->propertyDeletions = $this->getPropertyDeletions( $existing );
+               $this->incrTableUpdate( 'page_props', 'pp', $this->propertyDeletions,
                        $this->getPropertyInsertions( $existing ) );
 
                # Invalidate the necessary pages
-               $changed = $propertiesDeletes + array_diff_assoc( $this->mProperties, $existing );
+               $this->propertyInsertions = array_diff_assoc( $this->mProperties, $existing );
+               $changed = $this->propertyDeletions + $this->propertyInsertions;
                $this->invalidateProperties( $changed );
 
                # Refresh links of all pages including this page
@@ -1016,6 +1027,26 @@ class LinksUpdate extends SqlDataUpdate implements EnqueueableDataUpdate {
                return $result;
        }
 
+       /**
+        * Fetch page properties added by this LinksUpdate.
+        * Only available after the update is complete.
+        * @since 1.28
+        * @return null|array
+        */
+       public function getAddedProperties() {
+               return $this->propertyInsertions;
+       }
+
+       /**
+        * Fetch page properties removed by this LinksUpdate.
+        * Only available after the update is complete.
+        * @since 1.28
+        * @return null|array
+        */
+       public function getRemovedProperties() {
+               return $this->propertyDeletions;
+       }
+
        /**
         * Update links table freshness
         */