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<?php
/**
* ownCloud - News
*
* @author Alessandro Cosentino
* @author Bernhard Posselt
* @copyright 2012 Alessandro Cosentino cosenal@gmail.com
* @copyright 2012 Bernhard Posselt nukeawhale@gmail.com
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
* License as published by the Free Software Foundation; either
* version 3 of the License, or any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU AFFERO GENERAL PUBLIC LICENSE for more details.
*
* You should have received a copy of the GNU Affero General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*
*/
namespace OCA\News\Db;
use \OCA\AppFramework\Core\API;
use \OCA\AppFramework\Db\Mapper;
use \OCA\AppFramework\Db\Entity;
class FeedMapper extends Mapper implements IMapper {
public function __construct(API $api) {
parent::__construct($api, 'news_feeds');
}
public function find($id, $userId){
$sql = 'SELECT `feeds`.*, COUNT(`items`.`id`) AS `unread_count` ' .
'FROM `*PREFIX*news_feeds` `feeds` ' .
'LEFT JOIN `*PREFIX*news_items` `items` ' .
'ON `feeds`.`id` = `items`.`feed_id` ' .
'AND (`items`.`status` & ?) > 0 ' .
'WHERE `feeds`.`id` = ? ' .
'AND `feeds`.`user_id` = ? ' .
'GROUP BY `feeds`.`id`';
$params = array(StatusFlag::UNREAD, $id, $userId);
$row = $this->findOneQuery($sql, $params);
$feed = new Feed();
$feed->fromRow($row);
return $feed;
}
private function findAllRows($sql, $params=array(), $limit=null){
$result = $this->execute($sql, $params, $limit);
$feeds = array();
while($row = $result->fetchRow()){
$feed = new Feed();
$feed->fromRow($row);
array_push($feeds, $feed);
}
return $feeds;
}
public function findAllFromUser($userId){
$sql = 'SELECT `feeds`.*, COUNT(`items`.`id`) AS `unread_count` ' .
'FROM `*PREFIX*news_feeds` `feeds` ' .
'LEFT JOIN `*PREFIX*news_items` `items` ' .
'ON `feeds`.`id` = `items`.`feed_id` ' .
'AND (`items`.`status` & ?) > 0 ' .
'WHERE `feeds`.`user_id` = ? ' .
'GROUP BY `feeds`.`id`';
$params = array(StatusFlag::UNREAD, $userId);
return $this->findAllRows($sql, $params);
}
public function findAll(){
$sql = 'SELECT * FROM `*PREFIX*news_feeds`';
return $this->findAllRows($sql);
}
public function findByUrlHash($hash, $userId){
$sql = 'SELECT `feeds`.*, COUNT(`items`.`id`) AS `unread_count` ' .
'FROM `*PREFIX*news_feeds` `feeds` ' .
'LEFT JOIN `*PREFIX*news_items` `items` ' .
'ON `feeds`.`id` = `items`.`feed_id` ' .
'AND (`items`.`status` & ?) > 0 ' .
'WHERE `feeds`.`url_hash` = ? ' .
'AND `feeds`.`user_id` = ? ' .
'GROUP BY `feeds`.`id`';
$params = array(StatusFlag::UNREAD, $hash, $userId);
$row = $this->findOneQuery($sql, $params);
$feed = new Feed();
$feed->fromRow($row);
return $feed;
}
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_items` WHERE `feed_id` = ?';
$params = array($entity->getId());
$this->execute($sql, $params);
}
public function getReadOlderThanThreshold($threshold){
// we want items that are not starred and not unread
$status = StatusFlag::STARRED | StatusFlag::UNREAD;
$sql = 'SELECT * FROM `*PREFIX*news_items` ' .
'WHERE NOT ((`status` & ?) > 0)';
$params = array($status);
return $this->findAllRows($sql, $params, $threshold);
}
public function deleteReadOlderThanId($id){
$status = StatusFlag::STARRED | StatusFlag::UNREAD;
$sql = 'DELETE FROM `*PREFIX*news_items` WHERE `id` < ? ' .
'AND NOT ((`status` & ?) > 0)';
$params = array($id, $status);
$this->execute($sql, $params);
}
}
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