Merge pull request #642 from nextcloud/feature/640/stream-liked

Add 'liked' stream

appinfo/routes.php

@@ -66,6 +66,7 @@ return [
 		['name' => 'Local#streamTag', 'url' => '/api/v1/stream/tag/{hashtag}/', 'verb' => 'GET'],
 		['name' => 'Local#streamFederated', 'url' => '/api/v1/stream/federated', 'verb' => 'GET'],
 		['name' => 'Local#streamDirect', 'url' => '/api/v1/stream/direct', 'verb' => 'GET'],
+		['name' => 'Local#streamLiked', 'url' => '/api/v1/stream/liked', 'verb' => 'GET'],
 		['name' => 'Local#streamAccount', 'url' => '/api/v1/account/{username}/stream', 'verb' => 'GET'],
 
 		['name' => 'Local#postCreate', 'url' => '/api/v1/post', 'verb' => 'POST'],

lib/Controller/LocalController.php

@@ -467,6 +467,28 @@ class LocalController extends Controller {
 	}
 
 
+	/**
+	 * Get liked post
+	 *
+	 * @NoAdminRequired
+	 *
+	 * @param int $since
+	 * @param int $limit
+	 *
+	 * @return DataResponse
+	 */
+	public function streamLiked(int $since = 0, int $limit = 5): DataResponse {
+		try {
+			$this->initViewer(true);
+			$posts = $this->noteService->getStreamLiked($since, $limit);
+
+			return $this->success($posts);
+		} catch (Exception $e) {
+			return $this->fail($e);
+		}
+	}
+
+
 	/**
 	 * @NoAdminRequired
 	 *

lib/Db/CoreRequestBuilder.php

@@ -858,6 +858,59 @@ class CoreRequestBuilder {
 	}
 
 
+	/**
+	 * @param IQueryBuilder $qb
+	 * @param string $type
+	 */
+	protected function leftJoinActions(IQueryBuilder &$qb, string $type) {
+		if ($qb->getType() !== QueryBuilder::SELECT || $this->viewer === null) {
+			return;
+		}
+
+		$expr = $qb->expr();
+		$func = $qb->func();
+
+		$pf = $this->defaultSelectAlias;
+
+		$qb->selectAlias('a.id', 'action_id')
+		   ->selectAlias('a.actor_id', 'action_actor_id')
+		   ->selectAlias('a.object_id', 'action_object_id')
+		   ->selectAlias('a.type', 'action_type');
+
+		$andX = $expr->andX();
+		$andX->add($expr->eq($func->lower($pf . '.id'), $func->lower('a.object_id')));
+		$andX->add($expr->eq('a.type', $qb->createNamedParameter($type)));
+		$andX->add(
+			$expr->eq(
+				$func->lower('a.actor_id'),
+				$qb->createNamedParameter(strtolower($this->viewer->getId()))
+			)
+		);
+
+		$qb->leftJoin(
+			$this->defaultSelectAlias, CoreRequestBuilder::TABLE_ACTIONS, 'a', $andX
+		);
+	}
+
+
+	/**
+	 * @param array $data
+	 */
+	protected function parseActionsLeftJoin(array $data) {
+		$new = [];
+		foreach ($data as $k => $v) {
+			if (substr($k, 0, 7) === 'action_') {
+				$new[substr($k, 7)] = $v;
+			}
+		}
+
+//		$action = new Action();
+//		$action->importFromDatabase($new);
+
+//		return $action;
+	}
+
+
 	/**
 	 * @param IQueryBuilder $qb
 	 * @param string $fieldDocumentId
@@ -1100,6 +1153,6 @@ class CoreRequestBuilder {
 		$qb->where($this->exprLimitToDBField($qb, 'class', 'OCA\Social\Cron\Queue', true, true));
 		$qb->execute();
 	}
-	
+
 }
 

lib/Db/StreamRequest.php

@@ -44,6 +44,7 @@ use OCA\Social\Model\ActivityPub\ACore;
 use OCA\Social\Model\ActivityPub\Actor\Person;
 use OCA\Social\Model\ActivityPub\Internal\SocialAppNotification;
 use OCA\Social\Model\ActivityPub\Object\Document;
+use OCA\Social\Model\ActivityPub\Object\Like;
 use OCA\Social\Model\ActivityPub\Object\Note;
 use OCA\Social\Model\ActivityPub\Stream;
 use OCA\Social\Service\ConfigService;
@@ -483,10 +484,7 @@ class StreamRequest extends StreamRequestBuilder {
 		$qb = $this->getStreamSelectSql();
 		$this->limitPaginate($qb, $since, $limit);
 
-//		if ($localOnly) {
 		$this->limitToLocal($qb, $localOnly);
-//		}
-
 		$this->limitToType($qb, Note::TYPE);
 
 		$this->leftJoinCacheActors($qb, 'attributed_to');
@@ -509,6 +507,41 @@ class StreamRequest extends StreamRequestBuilder {
 	}
 
 
+	/**
+	 * Should returns:
+	 *  * All liked posts
+	 *
+	 * @param int $since
+	 * @param int $limit
+	 * @param bool $localOnly
+	 *
+	 * @return array
+	 * @throws Exception
+	 */
+	public function getLiked(int $since = 0, int $limit = 5, bool $localOnly = true): array {
+		$qb = $this->getStreamSelectSql();
+		$this->limitPaginate($qb, $since, $limit);
+
+		$this->limitToType($qb, Note::TYPE);
+
+		$this->leftJoinCacheActors($qb, 'attributed_to');
+		$this->leftJoinActions($qb, Like::TYPE);
+		$this->filterDBField($qb, 'id', '', false, 'a');
+
+		$streams = [];
+		$cursor = $qb->execute();
+		while ($data = $cursor->fetch()) {
+			try {
+				$streams[] = $this->parseStreamSelectSql($data);
+			} catch (Exception $e) {
+			}
+		}
+		$cursor->closeCursor();
+
+		return $streams;
+	}
+
+
 	/**
 	 * Should returns:
 	 *  - All public post related to a tag (not yet)

lib/Service/NoteService.php

@@ -442,7 +442,7 @@ class NoteService {
 	}
 
 
-	/**m
+	/**
 	 *
 	 * @param int $since
 	 * @param int $limit
@@ -455,6 +455,19 @@ class NoteService {
 	}
 
 
+	/**
+	 *
+	 * @param int $since
+	 * @param int $limit
+	 *
+	 * @return Note[]
+	 * @throws Exception
+	 */
+	public function getStreamLiked(int $since = 0, int $limit = 5): array {
+		return $this->streamRequest->getLiked($since, $limit);
+	}
+
+
 	/**
 	 * @param $noteId
 	 *