news/lib/Db/NewsMapper.php

104 строки
2.9 KiB
PHP

<?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\IDBConnection;
use OCP\AppFramework\Db\Mapper;
use OCP\AppFramework\Db\Entity;
abstract class NewsMapper extends Mapper
{
/**
* @var Time
*/
private $time;
public function __construct(
IDBConnection $db,
$table,
$entity,
Time $time
) {
parent::__construct($db, $table, $entity);
$this->time = $time;
}
public function update(Entity $entity)
{
$entity->setLastModified($this->time->getMicroTime());
return parent::update($entity);
}
public function insert(Entity $entity)
{
$entity->setLastModified($this->time->getMicroTime());
return parent::insert($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);
}
}