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Diffstat (limited to 'lib/Db/FeedMapper.php')
| -rw-r--r-- | lib/Db/FeedMapper.php | 204 |
1 files changed, 204 insertions, 0 deletions
diff --git a/lib/Db/FeedMapper.php b/lib/Db/FeedMapper.php new file mode 100644 index 000000000..45901b8d0 --- /dev/null +++ b/lib/Db/FeedMapper.php @@ -0,0 +1,204 @@ +<?php +/** + * Nextcloud - News + * + * This file is licensed under the Affero General Public License version 3 or + * later. See the COPYING file. + * + * @author Alessandro Cosentino <cosenal@gmail.com> + * @author Bernhard Posselt <dev@bernhard-posselt.com> + * @copyright 2012 Alessandro Cosentino + * @copyright 2012-2014 Bernhard Posselt + */ + +namespace OCA\News\Db; + +use OCA\News\Utility\Time; +use OCP\AppFramework\Db\DoesNotExistException; +use OCP\AppFramework\Db\MultipleObjectsReturnedException; +use OCP\IDBConnection; +use OCP\AppFramework\Db\Entity; + +/** + * Class LegacyFeedMapper + * + * @package OCA\News\Db + * @deprecated use FeedMapper + */ +class FeedMapper extends NewsMapper +{ + const TABLE_NAME = 'news_feeds'; + + public function __construct(IDBConnection $db, Time $time) + { + parent::__construct($db, $time, Feed::class); + } + + + public function find(string $userId, int $id) + { + $sql = 'SELECT `feeds`.*, `item_numbers`.`unread_count` ' . + 'FROM `*PREFIX*news_feeds` `feeds` ' . + 'JOIN ( ' . + 'SELECT `feeds`.`id`, COUNT(`items`.`id`) AS `unread_count` ' . + 'FROM `*PREFIX*news_feeds` `feeds` ' . + 'LEFT JOIN `*PREFIX*news_items` `items` ' . + 'ON `feeds`.`id` = `items`.`feed_id` ' . + // WARNING: this is a desperate attempt at making this query + // work because prepared statements dont work. This is a + // POSSIBLE SQL INJECTION RISK WHEN MODIFIED WITHOUT THOUGHT. + // think twice when changing this + 'AND `items`.`unread` = ? ' . + 'WHERE `feeds`.`id` = ? ' . + 'AND `feeds`.`user_id` = ? ' . + 'GROUP BY `feeds`.`id` ' . + ') `item_numbers` ' . + 'ON `item_numbers`.`id` = `feeds`.`id` '; + $params = [true, $id, $userId]; + + return $this->findEntity($sql, $params); + } + + + public function findAllFromUser(string $userId): array + { + $sql = 'SELECT `feeds`.*, `item_numbers`.`unread_count` ' . + 'FROM `*PREFIX*news_feeds` `feeds` ' . + 'JOIN ( ' . + 'SELECT `feeds`.`id`, COUNT(`items`.`id`) AS `unread_count` ' . + 'FROM `*PREFIX*news_feeds` `feeds` ' . + 'LEFT OUTER JOIN `*PREFIX*news_folders` `folders` ' . + 'ON `feeds`.`folder_id` = `folders`.`id` ' . + 'LEFT JOIN `*PREFIX*news_items` `items` ' . + 'ON `feeds`.`id` = `items`.`feed_id` ' . + // WARNING: this is a desperate attempt at making this query + // work because prepared statements dont work. This is a + // POSSIBLE SQL INJECTION RISK WHEN MODIFIED WITHOUT THOUGHT. + // think twice when changing this + 'AND `items`.`unread` = ? ' . + 'WHERE (`feeds`.`user_id` = ? OR `feeds`.`id` IN (' . + 'SELECT `feed_id` FROM `*PREFIX*news_items` WHERE `shared_with` = ?)' . + ') ' . + 'AND (`feeds`.`folder_id` IS NULL ' . + 'OR `folders`.`deleted_at` = 0 ' . + ') ' . + 'AND `feeds`.`deleted_at` = 0 ' . + 'GROUP BY `feeds`.`id` ' . + ') `item_numbers` ' . + 'ON `item_numbers`.`id` = `feeds`.`id` '; + $params = [true, $userId, $userId]; + + return $this->findEntities($sql, $params); + } + + + public function findAll(): array + { + $sql = 'SELECT `feeds`.*, `item_numbers`.`unread_count` ' . + 'FROM `*PREFIX*news_feeds` `feeds` ' . + 'JOIN ( ' . + 'SELECT `feeds`.`id`, COUNT(`items`.`id`) AS `unread_count` ' . + 'FROM `*PREFIX*news_feeds` `feeds` ' . + 'LEFT OUTER JOIN `*PREFIX*news_folders` `folders` ' . + 'ON `feeds`.`folder_id` = `folders`.`id` ' . + 'LEFT JOIN `*PREFIX*news_items` `items` ' . + 'ON `feeds`.`id` = `items`.`feed_id` ' . + // WARNING: this is a desperate attempt at making this query + // work because prepared statements dont work. This is a + // POSSIBLE SQL INJECTION RISK WHEN MODIFIED WITHOUT THOUGHT. + // think twice when changing this + 'AND `items`.`unread` = ? ' . + 'WHERE (`feeds`.`folder_id` IS NULL ' . + 'OR `folders`.`deleted_at` = 0 ' . + ') ' . + 'AND `feeds`.`deleted_at` = 0 ' . + 'GROUP BY `feeds`.`id` ' . + ') `item_numbers` ' . + 'ON `item_numbers`.`id` = `feeds`.`id` '; + + return $this->findEntities($sql, [true]); + } + + + public function findByUrlHash($hash, $userId) + { + $sql = 'SELECT `feeds`.*, `item_numbers`.`unread_count` ' . + 'FROM `*PREFIX*news_feeds` `feeds` ' . + 'JOIN ( ' . + 'SELECT `feeds`.`id`, COUNT(`items`.`id`) AS `unread_count` ' . + 'FROM `*PREFIX*news_feeds` `feeds` ' . + 'LEFT JOIN `*PREFIX*news_items` `items` ' . + 'ON `feeds`.`id` = `items`.`feed_id` ' . + // WARNING: this is a desperate attempt at making this query + // work because prepared statements dont work. This is a + // POSSIBLE SQL INJECTION RISK WHEN MODIFIED WITHOUT THOUGHT. + // think twice when changing this + 'AND `items`.`unread` = ? ' . + 'WHERE `feeds`.`url_hash` = ? ' . + 'AND `feeds`.`user_id` = ? ' . + 'GROUP BY `feeds`.`id` ' . + ') `item_numbers` ' . + 'ON `item_numbers`.`id` = `feeds`.`id` '; + $params = [true, $hash, $userId]; + + return $this->findEntity($sql, $params); + } + + + public function delete(Entity $entity): Entity + { + // someone please slap me for doing this manually :P + // we needz CASCADE + FKs please + $sql = 'DELETE FROM `*PREFIX*news_items` WHERE `feed_id` = ?'; + $params = [$entity->getId()]; + $this->execute($sql, $params); + + return parent::delete($entity); + } + + + /** + * @param int $deleteOlderThan if given gets all entries with a delete date + * older than that timestamp + * @param string $userId if given returns only entries from the given user + * @return array with the database rows + */ + public function getToDelete($deleteOlderThan = null, $userId = null) + { + $sql = 'SELECT * FROM `*PREFIX*news_feeds` ' . + 'WHERE `deleted_at` > 0 '; + $params = []; + + // sometimes we want to delete all entries + if ($deleteOlderThan !== null) { + $sql .= 'AND `deleted_at` < ? '; + $params[] = $deleteOlderThan; + } + + // we need to sometimes only delete feeds of a user + if ($userId !== null) { + $sql .= 'AND `user_id` = ?'; + $params[] = $userId; + } + + return $this->findEntities($sql, $params); + } + + + /** + * Deletes all feeds of a user, delete items first since the user_id + * is not defined in there + * + * @param string $userId the name of the user + */ + public function deleteUser($userId) + { + $sql = 'DELETE FROM `*PREFIX*news_feeds` WHERE `user_id` = ?'; + $this->execute($sql, [$userId]); + } + + public function findFromUser(string $userId, int $id): Entity + { + return $this->find($id, $userId); + } +} |