fix: Handle share attributes in the share provider

Signed-off-by: Julius Knorr <jus@bitgrid.net>

Author: juliusknorr

lib/Sharing/DeckShareProvider.php

@@ -31,6 +31,7 @@
 use OCP\IL10N;
 use OCP\Share\Exceptions\GenericShareException;
 use OCP\Share\Exceptions\ShareNotFound;
+use OCP\Share\IAttributes;
 use OCP\Share\IManager;
 use OCP\Share\IShare;
 
@@ -133,6 +134,11 @@ public function create(IShare $share) {
 			)
 		);*/
 
+		// set share attributes
+		$shareAttributes = $this->formatShareAttributes(
+			$share->getAttributes()
+		);
+
 		$shareId = $this->addShareToDB(
 			$share->getSharedWith(),
 			$share->getSharedBy(),
@@ -142,7 +148,8 @@ public function create(IShare $share) {
 			$share->getTarget(),
 			$share->getPermissions(),
 			$share->getToken() ?? '',
-			$share->getExpirationDate()
+			$share->getExpirationDate(),
+			$shareAttributes
 		);
 		$data = $this->getRawShare($shareId);
 
@@ -163,6 +170,7 @@ public function create(IShare $share) {
 	 * @param int $permissions
 	 * @param string $token
 	 * @param \DateTime|null $expirationDate
+	 * @param string|null $attributes
 	 * @return int
 	 */
 	private function addShareToDB(
@@ -194,6 +202,10 @@ private function addShareToDB(
 			$qb->setValue('expiration', $qb->createNamedParameter($expirationDate, 'datetime'));
 		}
 
+		if ($attributes !== null) {
+			$qb->setValue('attributes', $qb->createNamedParameter($attributes));
+		}
+
 		$qb->executeStatement();
 
 		return $qb->getLastInsertId();
@@ -264,6 +276,9 @@ private function createShareObject(array $data): IShare {
 			$entryData['parent'] = $entryData['f_parent'];
 			$share->setNodeCacheEntry(Cache::cacheEntryFromData($entryData, $this->mimeTypeLoader));
 		}
+
+		$share = $this->updateShareAttributes($share, $data['attributes'] ?? null);
+
 		return $share;
 	}
 
@@ -1046,6 +1061,42 @@ public function getAllShares(): iterable {
 		$cursor->closeCursor();
 	}
 
+	protected function updateShareAttributes(IShare $share, ?string $data): IShare {
+		if ($data !== null && $data !== '') {
+			$attributes = $share->getAttributes() ?? $share->newAttributes();
+			$compressedAttributes = \json_decode($data, true);
+			if ($compressedAttributes === false || $compressedAttributes === null) {
+				return $share;
+			}
+			foreach ($compressedAttributes as $compressedAttribute) {
+				$attributes->setAttribute(
+					$compressedAttribute[0],
+					$compressedAttribute[1],
+					$compressedAttribute[2]
+				);
+			}
+			$share->setAttributes($attributes);
+		}
+
+		return $share;
+	}
+
+	protected function formatShareAttributes(?IAttributes $attributes): ?string {
+		if ($attributes === null || empty($attributes->toArray())) {
+			return null;
+		}
+
+		$compressedAttributes = [];
+		foreach ($attributes->toArray() as $attribute) {
+			$compressedAttributes[] = [
+				0 => $attribute['scope'],
+				1 => $attribute['key'],
+				2 => $attribute['value']
+			];
+		}
+		return \json_encode($compressedAttributes) ?: null;
+	}
+
 	public function getOrphanedAttachmentShares(): array {
 		$allCardIds = $this->cardMapper->getAllCardIds();
 		$qb = $this->dbConnection->getQueryBuilder();