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<?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\DB\Exception as DBException;
use OCP\DB\QueryBuilder\IQueryBuilder;
use OCP\IDBConnection;
use OCP\AppFramework\Db\Entity;
/**
* Class FeedMapper
*
* @package OCA\News\Db
*/
class FeedMapperV2 extends NewsMapperV2
{
const TABLE_NAME = 'news_feeds';
/**
* FeedMapper constructor.
*
* @param IDBConnection $db
* @param Time $time
*/
public function __construct(IDBConnection $db, Time $time)
{
parent::__construct($db, $time, Feed::class);
}
/**
* Find all feeds for a user.
*
* @param string $userId The user identifier
* @param array $params Filter parameters
*
* @return Entity[]
*/
public function findAllFromUser(string $userId, array $params = []): array
{
$builder = $this->db->getQueryBuilder();
$builder->select('feeds.*', $builder->func()->count('items.id', 'unreadCount'))
->from(static::TABLE_NAME, 'feeds')
->leftJoin(
'feeds',
ItemMapperV2::TABLE_NAME,
'items',
'items.feed_id = feeds.id AND items.unread = :unread'
)
->where('feeds.user_id = :user_id')
->andWhere('feeds.deleted_at = 0')
->groupBy('feeds.id')
->setParameter('unread', true, IQueryBuilder::PARAM_BOOL)
->setParameter('user_id', $userId);
return $this->findEntities($builder);
}
/**
* Find all feeds for a user.
*
* @param string $userId The user identifier
* @param int $id The feed identifier
*
* @return Feed
*
* @throws DoesNotExistException
* @throws MultipleObjectsReturnedException
*/
public function findFromUser(string $userId, int $id): Entity
{
$builder = $this->db->getQueryBuilder();
$builder->select('*')
->from(static::TABLE_NAME)
->where('user_id = :user_id')
->andWhere('id = :id')
->setParameter('user_id', $userId)
->setParameter('id', $id);
return $this->findEntity($builder);
}
/**
* Find all items
*
* @return Entity[]
*/
public function findAll(): array
{
$builder = $this->db->getQueryBuilder();
$builder->select('*')
->from(static::TABLE_NAME)
->where('deleted_at = 0');
return $this->findEntities($builder);
}
/**
* Find feed by URL
*
* @param string $userId The user to find in.
* @param string $url The URL to find
*
* @return Entity
*
* @throws DoesNotExistException If not found
* @throws MultipleObjectsReturnedException If multiple found
*/
public function findByURL(string $userId, string $url): Entity
{
$builder = $this->db->getQueryBuilder();
$builder->select('*')
->from(static::TABLE_NAME)
->where('user_id = :user_id')
->andWhere('url = :url')
->setParameter('user_id', $userId)
->setParameter('url', $url);
return $this->findEntity($builder);
}
/**
* Find all feeds in a folder
*
* @param int|null $id ID of the folder
*
* @return Feed[]
*/
public function findAllFromFolder(?int $id): array
{
$builder = $this->db->getQueryBuilder();
$builder->select('*')
->from(static::TABLE_NAME);
if (is_null($id)) {
$builder->where('folder_id IS NULL');
} else {
$builder->where('folder_id = :folder_id')
->setParameter('folder_id', $id);
}
return $this->findEntities($builder);
}
/**
* @param string $userId
* @param int $id
* @param int|null $maxItemID
*
* @return int
* @throws DBException
*
*/
public function read(string $userId, int $id, ?int $maxItemID = null): int
{
$idBuilder = $this->db->getQueryBuilder();
$idBuilder->select('items.id')
->from(ItemMapperV2::TABLE_NAME, 'items')
->innerJoin('items', FeedMapperV2::TABLE_NAME, 'feeds', 'items.feed_id = feeds.id')
->andWhere('feeds.user_id = :userId')
->andWhere('feeds.id = :feedId')
->setParameter('userId', $userId)
->setParameter('feedId', $id);
if ($maxItemID !== null) {
$idBuilder->andWhere('items.id <= :maxItemId')
->setParameter('maxItemId', $maxItemID);
}
$idList = array_map(
function ($value): int {
return intval($value['id']);
},
$this->db->executeQuery($idBuilder->getSQL(), $idBuilder->getParameters())->fetchAll()
);
$time = new Time();
$builder = $this->db->getQueryBuilder();
$builder->update(ItemMapperV2::TABLE_NAME)
->set('unread', $builder->createParameter('unread'))
->set('last_modified', $builder->createParameter('last_modified'))
->andWhere('id IN (:idList)')
->andWhere('unread != :unread')
->setParameter('unread', false, IQueryBuilder::PARAM_BOOL)
->setParameter('idList', $idList, IQueryBuilder::PARAM_INT_ARRAY)
->setParameter('last_modified', $time->getMicroTime(), IQueryBuilder::PARAM_STR);
return $this->db->executeStatement(
$builder->getSQL(),
$builder->getParameters(),
$builder->getParameterTypes()
);
}
}
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