Implement an basic search provider. Just search within the title and main note.

On the other hand, it implements consistent urls, which allow you to mark a
note, tag or color as a favorite in the browser to easily access the notes.

lib/Db/NoteMapper.php

@@ -31,6 +31,34 @@ class NoteMapper extends QBMapper {
 		return $this->findEntity($qb);
 	}
 
+	/**
+	 * @param string $userId
+	 * @param string $queryStr
+	 * @throws \OCP\AppFramework\Db\DoesNotExistException if not found
+	 * @throws \OCP\AppFramework\Db\MultipleObjectsReturnedException if more than one result
+	 * @return Note[]
+	 */
+	public function findLike($userId, $queryStr, $offset = null, $limit = null) {
+		$qb = $this->db->getQueryBuilder();
+		$qb->select('*')
+			->from($this->tableName)
+			->where($qb->expr()->eq('user_id', $qb->createNamedParameter($userId, IQueryBuilder::PARAM_STR)))
+			->andWhere(
+				$qb->expr()->orX(
+					$qb->expr()->like($qb->func()->lower('title'), $qb->createParameter('query')),
+					$qb->expr()->like($qb->func()->lower('content'), $qb->createParameter('query'))
+				)
+			);
+
+		$query = '%' . $this->db->escapeLikeParameter(strtolower($queryStr)) . '%';
+		$qb->setParameter('query', $query);
+
+		$qb->setFirstResult($offset);
+		$qb->setMaxResults($limit);
+
+		return $this->findEntities($qb);
+	}
+
 	/**
 	 * @param int $id
 	 * @throws \OCP\AppFramework\Db\DoesNotExistException if not found