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149 lines (132 loc) · 3.17 KB
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<?php
/*
* Avalon
* Copyright 2011-2015 Jack P.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
namespace Avalon\Database;
use Doctrine\DBAL\Query\QueryBuilder as DoctrineQueryBuilder;
/**
* Query Builder based on Doctrine's Query Builder to add support for fetching
* data with a model.
*
* @author Jack P.
*/
class QueryBuilder extends DoctrineQueryBuilder
{
/**
* @var string
*/
protected $modelClass;
/**
* @var bool
*/
protected $mergeNextWhere = false;
/**
* @param string $class
*/
public function setModel($class)
{
$this->modelClass = $class;
return $this;
}
/**
* @return \Avalon\Datbase\Model
*/
public function fetch()
{
$statement = $this->execute();
$class = $this->modelClass;
if ($data = $statement->fetch()) {
return new $class($data, false);
} else {
return $data;
}
}
/**
* @return \Avalon\Database\Model[]
*/
public function fetchAll()
{
$statement = $this->execute();
$rows = [];
$class = $this->modelClass;
foreach ($statement->fetchAll() as $row) {
$rows[] = new $class($row, false);
}
return $rows;
}
/**
* @param string $predicates The restriction predicates.
*
* @return QueryBuilder
*/
public function where($predicates)
{
if ($this->mergeNextWhere) {
$this->mergeNextWhere = false;
parent::andWhere($predicates);
} else {
parent::where($predicates);
}
return $this;
}
/**
* @param string $predicates The restriction predicates.
*
* @return QueryBuilder
*/
public function andWhere($predicates)
{
parent::andWhere($predicates);
return $this;
}
/**
* Returns the number of rows found.
*
* @return integer
*/
public function rowCount()
{
return $this->execute()->rowCount();
}
/**
* Turn the next `where()` into `andWhere()`.
*
* @return QueryBuilder
*/
public function mergeNextWhere()
{
$this->mergeNextWhere = true;
return $this;
}
/**
* Quote the passed string or strings in array.
*
* @param mixed $string
*
* @return mixed
*/
public function quote($string)
{
if (is_array($string)) {
foreach ($string as $key => $value) {
$string[$key] = $this->quote($value);
}
return $string;
} else {
return $this->getConnection()->quote($string);
}
}
}