news/db/foldermapper.php

<?php
/**
 * ownCloud - 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 Alessandro Cosentino 2012
 * @copyright Bernhard Posselt 2012, 2014
 */

namespace OCA\News\Db;

use \OCA\News\Core\Db;


class FolderMapper extends Mapper implements IMapper {

	public function __construct(Db $db) {
		parent::__construct($db, 'news_folders', '\OCA\News\Db\Folder');
	}

	public function find($id, $userId){
		$sql = 'SELECT * FROM `*PREFIX*news_folders` ' .
			'WHERE `id` = ? ' .
			'AND `user_id` = ?';

		return $this->findEntity($sql, array($id, $userId));
	}


	public function findAllFromUser($userId){
		$sql = 'SELECT * FROM `*PREFIX*news_folders` ' .
			'WHERE `user_id` = ? ' .
			'AND `deleted_at` = 0';
		$params = array($userId);

		return $this->findEntities($sql, $params);
	}


	public function findByName($folderName, $userId){
		$sql = 'SELECT * FROM `*PREFIX*news_folders` ' .
			'WHERE `name` = ? ' .
			'AND `user_id` = ?';
		$params = array($folderName, $userId);

		return $this->findEntities($sql, $params);
	}


	public function delete(Entity $entity){
		parent::delete($entity);

		// someone please slap me for doing this manually :P
		// we needz CASCADE + FKs please
		$sql = 'DELETE FROM `*PREFIX*news_feeds` WHERE `folder_id` = ?';
		$params = array($entity->getId());
		$this->execute($sql, $params);

		$sql = 'DELETE FROM `*PREFIX*news_items` WHERE `feed_id` NOT IN '.
			'(SELECT `feeds`.`id` FROM `*PREFIX*news_feeds` `feeds`)';
		
		$this->execute($sql);
	}


	/**
	 * @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_folders` ' .
			'WHERE `deleted_at` > 0 ';
		$params = array();

		// sometimes we want to delete all entries
		if ($deleteOlderThan !== null) {
			$sql .= 'AND `deleted_at` < ? ';
			array_push($params, $deleteOlderThan);
		}

		// we need to sometimes only delete feeds of a user
		if($userId !== null) {
			$sql .= 'AND `user_id` = ?';
			array_push($params, $userId);
		}
		
		return $this->findEntities($sql, $params);
	}


	/**
	 * Deletes all folders of a user
	 * @param string $userId the name of the user
	 */
	public function deleteUser($userId) {
		$sql = 'DELETE FROM `*PREFIX*news_folders` WHERE `user_id` = ?';
		$this->execute($sql, array($userId));
	}


}