ZP-824 Invalidate all pingable flags on folders when doing a FolderSync

(with changes) or FolderChange (Create, Update, Delete) operation.

Released under the Affero GNU General Public License (AGPL) version 3. 

src/lib/core/synccollections.php

@@ -72,6 +72,27 @@ class SyncCollections implements Iterator {
     private $waitingTime = 0;
 
 
+    /**
+     * Invalidates all pingable flags for all folders.
+     *
+     * @access public
+     * @return boolean
+     */
+    static public function InvalidatePingableFlags() {
+        ZLog::Write(LOGLEVEL_DEBUG, "SyncCollections::InvalidatePingableFlags(): Invalidating now");
+        try {
+            $sc = new SyncCollections();
+            $sc->LoadAllCollections();
+            foreach ($sc as $folderid => $spa) {
+                $spa->DelPingableFlag();
+                $sc->SaveCollection($spa);
+            }
+            return true;
+        }
+        catch (ZPushException $e) {}
+        return false;
+    }
+
     /**
      * Constructor
      */

src/lib/request/folderchange.php

@@ -247,6 +247,9 @@ class FolderChange extends RequestProcessor {
             // update SPA & save it
             $spa->SetSyncKey($newsynckey);
             self::$deviceManager->GetStateManager()->SetSynchedFolderState($spa);
+
+            // invalidate all pingable flags
+            $sc = SyncCollections::InvalidatePingableFlags();
         }
 
         return true;

src/lib/request/foldersync.php

@@ -259,6 +259,9 @@ class FolderSync extends RequestProcessor {
                     // update SPA & save it
                     $spa->SetSyncKey($newsynckey);
                     self::$deviceManager->GetStateManager()->SetSynchedFolderState($spa);
+
+                    // invalidate all pingable flags
+                    $sc = SyncCollections::InvalidatePingableFlags();
                 }
             }
         }