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<?php |
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/** |
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* ownCloud - News |
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* |
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* This file is licensed under the Affero General Public License version 3 or |
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* later. See the COPYING file. |
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* |
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* @author Alessandro Cosentino <[email protected]> |
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* @author Bernhard Posselt <[email protected]> |
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* @copyright Alessandro Cosentino 2012 |
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* @copyright Bernhard Posselt 2012, 2014 |
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*/ |
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namespace OCA\News\Db; |
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use OCP\IDBConnection; |
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use OCP\AppFramework\Db\Entity; |
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class FeedMapper extends NewsMapper { |
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public function __construct(IDBConnection $db) { |
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parent::__construct($db, 'news_feeds', Feed::class); |
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} |
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public function find($id, $userId){ |
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$sql = 'SELECT `feeds`.*, COUNT(`items`.`id`) AS `unread_count` ' . |
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'FROM `*PREFIX*news_feeds` `feeds` ' . |
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'LEFT JOIN `*PREFIX*news_items` `items` ' . |
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'ON `feeds`.`id` = `items`.`feed_id` ' . |
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// WARNING: this is a desperate attempt at making this query |
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// work because prepared statements dont work. This is a |
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// POSSIBLE SQL INJECTION RISK WHEN MODIFIED WITHOUT THOUGHT. |
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// think twice when changing this |
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'AND (`items`.`status` & ' . StatusFlag::UNREAD . ') = ' . |
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StatusFlag::UNREAD . ' ' . |
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'WHERE `feeds`.`id` = ? ' . |
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'AND `feeds`.`user_id` = ? ' . |
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'GROUP BY `feeds`.`id`'; |
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$params = [$id, $userId]; |
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return $this->findEntity($sql, $params); |
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} |
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public function findAllFromUser($userId){ |
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$sql = 'SELECT `feeds`.*, COUNT(`items`.`id`) AS `unread_count` ' . |
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'FROM `*PREFIX*news_feeds` `feeds` ' . |
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'LEFT OUTER JOIN `*PREFIX*news_folders` `folders` '. |
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'ON `feeds`.`folder_id` = `folders`.`id` ' . |
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'LEFT JOIN `*PREFIX*news_items` `items` ' . |
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'ON `feeds`.`id` = `items`.`feed_id` ' . |
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// WARNING: this is a desperate attempt at making this query |
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// work because prepared statements dont work. This is a |
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// POSSIBLE SQL INJECTION RISK WHEN MODIFIED WITHOUT THOUGHT. |
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// think twice when changing this |
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'AND (`items`.`status` & ' . StatusFlag::UNREAD . ') = ' . |
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StatusFlag::UNREAD . ' ' . |
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'WHERE `feeds`.`user_id` = ? ' . |
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'AND (`feeds`.`folder_id` = 0 ' . |
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'OR `folders`.`deleted_at` = 0' . |
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')' . |
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'AND `feeds`.`deleted_at` = 0 ' . |
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'GROUP BY `feeds`.`id`'; |
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$params = [$userId]; |
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return $this->findEntities($sql, $params); |
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} |
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public function findAll(){ |
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$sql = 'SELECT `feeds`.*, COUNT(`items`.`id`) AS `unread_count` ' . |
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'FROM `*PREFIX*news_feeds` `feeds` ' . |
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'LEFT OUTER JOIN `*PREFIX*news_folders` `folders` '. |
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'ON `feeds`.`folder_id` = `folders`.`id` ' . |
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'LEFT JOIN `*PREFIX*news_items` `items` ' . |
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'ON `feeds`.`id` = `items`.`feed_id` ' . |
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// WARNING: this is a desperate attempt at making this query |
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// work because prepared statements dont work. This is a |
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// POSSIBLE SQL INJECTION RISK WHEN MODIFIED WITHOUT THOUGHT. |
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// think twice when changing this |
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'AND (`items`.`status` & ' . StatusFlag::UNREAD . ') = ' . |
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StatusFlag::UNREAD . ' ' . |
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'WHERE (`feeds`.`folder_id` = 0 ' . |
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'OR `folders`.`deleted_at` = 0' . |
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')' . |
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'AND `feeds`.`deleted_at` = 0 ' . |
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'GROUP BY `feeds`.`id`'; |
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return $this->findEntities($sql); |
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} |
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public function findByUrlHash($hash, $userId){ |
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$sql = 'SELECT `feeds`.*, COUNT(`items`.`id`) AS `unread_count` ' . |
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'FROM `*PREFIX*news_feeds` `feeds` ' . |
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'LEFT JOIN `*PREFIX*news_items` `items` ' . |
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'ON `feeds`.`id` = `items`.`feed_id` ' . |
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// WARNING: this is a desperate attempt at making this query |
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// work because prepared statements dont work. This is a |
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// POSSIBLE SQL INJECTION RISK WHEN MODIFIED WITHOUT THOUGHT. |
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// think twice when changing this |
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'AND (`items`.`status` & ' . StatusFlag::UNREAD . ') = ' . |
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StatusFlag::UNREAD . ' ' . |
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'WHERE `feeds`.`url_hash` = ? ' . |
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'AND `feeds`.`user_id` = ? ' . |
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'GROUP BY `feeds`.`id`'; |
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$params = [$hash, $userId]; |
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return $this->findEntity($sql, $params); |
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} |
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public function delete(Entity $entity){ |
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parent::delete($entity); |
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// someone please slap me for doing this manually :P |
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// we needz CASCADE + FKs please |
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$sql = 'DELETE FROM `*PREFIX*news_items` WHERE `feed_id` = ?'; |
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$params = [$entity->getId()]; |
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$this->execute($sql, $params); |
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} |
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/** |
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* @param int $deleteOlderThan if given gets all entries with a delete date |
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* older than that timestamp |
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* @param string $userId if given returns only entries from the given user |
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* @return array with the database rows |
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*/ |
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public function getToDelete($deleteOlderThan=null, $userId=null) { |
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$sql = 'SELECT * FROM `*PREFIX*news_feeds` ' . |
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'WHERE `deleted_at` > 0 '; |
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$params = []; |
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// sometimes we want to delete all entries |
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if ($deleteOlderThan !== null) { |
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$sql .= 'AND `deleted_at` < ? '; |
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$params[] = $deleteOlderThan; |
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} |
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// we need to sometimes only delete feeds of a user |
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if($userId !== null) { |
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$sql .= 'AND `user_id` = ?'; |
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$params[] = $userId; |
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} |
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return $this->findEntities($sql, $params); |
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} |
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/** |
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* Deletes all feeds of a user, delete items first since the user_id |
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* is not defined in there |
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* @param string $userId the name of the user |
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*/ |
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public function deleteUser($userId) { |
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$sql = 'DELETE FROM `*PREFIX*news_feeds` WHERE `user_id` = ?'; |
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$this->execute($sql, [$userId]); |
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} |
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} |
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