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<?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 OCP\IDBConnection;
use OCP\AppFramework\Db\Mapper;
abstract class NewsMapper extends Mapper {
public function __construct(IDBConnection $db, $table, $entity) {
parent::__construct($db, $table, $entity);
}
/**
* @param int $id the id of the feed
* @param string $userId the id of the user
* @return \OCP\AppFramework\Db\Entity
*/
abstract public function find($id, $userId);
/**
* Performs a SELECT query with all arguments appened to the WHERE clause
* The SELECT will be performed on the current table and take the entity
* that is related for transforming the properties into column names
*
* Important: This method does not filter marked as deleted rows!
*
* @param array $search an assoc array from property to filter value
* @param int $limit
* @paran int $offset
* @return array
*/
public function where(array $search=[], $limit=null, $offset=null) {
$entity = new $this->entityClass;
// turn keys into sql query filter, e.g. feedId -> feed_id = :feedId
$filter = array_map(function ($property) use ($entity) {
// check if the property actually exists on the entity to prevent
// accidental Sql injection
if (!property_exists($entity, $property)) {
$msg = 'Property ' . $property . ' does not exist on '
. $this->entityClass;
throw new \BadFunctionCallException($msg);
}
$column = $entity->propertyToColumn($property);
return $column . ' = :' . $property;
}, array_keys($search));
$andStatement = implode(' AND ', $filter);
$sql = 'SELECT * FROM `' . $this->getTableName() . '`';
if (count($search) > 0) {
$sql .= 'WHERE ' . $andStatement;
}
return $this->findEntities($sql, $search, $limit, $offset);
}
}
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