fix(SyncLivePhotosListener): Don't handle copy event emitted from us

Running $peerFile->copy() causes a second BeforeNodeCopiedEvent now,
which we don't want to handle.

Signed-off-by: Jonas <jonas@freesources.org>

Author: mejo-

apps/files/lib/Listener/SyncLivePhotosListener.php

@@ -37,6 +37,8 @@ class SyncLivePhotosListener implements IEventListener {
 	private array $pendingRenames = [];
 	/** @var Array<int, bool> */
 	private array $pendingDeletion = [];
+	/** @var Array<int> */
+	private array $pendingCopies = [];
 
 	public function __construct(
 		private ?Folder $userFolder,
@@ -153,6 +155,12 @@ private function handleCopy(File $sourceFile, File $targetFile, File $peerFile):
 		$targetName = $targetFile->getName();
 		$peerTargetName = substr($targetName, 0, -strlen($sourceExtension)) . $peerFileExtension;
 
+		// in case the copy was initiated from this listener, we stop right now
+		if (in_array($peerFile->getId(), $this->pendingCopies)) {
+			return;
+		}
+
+		$this->pendingCopies[] = $sourceFile->getId();
 
 		if ($targetParent->nodeExists($peerTargetName)) {
 			// If the copy was a folder copy, then the peer file already exists.
@@ -172,6 +180,8 @@ private function handleCopy(File $sourceFile, File $targetFile, File $peerFile):
 		$peerMetadata->setStorageId($targetPeerFile->getStorage()->getCache()->getNumericStorageId());
 		$peerMetadata->setString('files-live-photo', (string)$targetFile->getId());
 		$this->filesMetadataManager->saveMetadata($peerMetadata);
+
+		$this->pendingCopies = array_diff($this->pendingCopies, [$sourceFile->getId()]);
 	}
 
 	/**