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<?php
/**
* @copyright Copyright (c) 2017 Robin Appelman <robin@icewind.nl>
*
* @author Joas Schilling <coding@schilljs.com>
* @author Robin Appelman <robin@icewind.nl>
*
* @license GNU AGPL version 3 or any later version
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program 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 program. If not, see <http://www.gnu.org/licenses/>.
*
*/
namespace OC\DB\QueryBuilder\FunctionBuilder;
use OC\DB\QueryBuilder\QueryFunction;
use OC\DB\QueryBuilder\QuoteHelper;
use OCP\DB\QueryBuilder\IFunctionBuilder;
use OCP\DB\QueryBuilder\IQueryBuilder;
use OCP\DB\QueryBuilder\IQueryFunction;
use OCP\IDBConnection;
class FunctionBuilder implements IFunctionBuilder {
/** @var IDBConnection */
protected $connection;
/** @var IQueryBuilder */
protected $queryBuilder;
/** @var QuoteHelper */
protected $helper;
public function __construct(IDBConnection $connection, IQueryBuilder $queryBuilder, QuoteHelper $helper) {
$this->connection = $connection;
$this->queryBuilder = $queryBuilder;
$this->helper = $helper;
}
public function md5($input): IQueryFunction {
return new QueryFunction('MD5(' . $this->helper->quoteColumnName($input) . ')');
}
public function concat($x, ...$expr): IQueryFunction {
$args = func_get_args();
$list = [];
foreach ($args as $item) {
$list[] = $this->helper->quoteColumnName($item);
}
return new QueryFunction(sprintf('CONCAT(%s)', implode(', ', $list)));
}
public function groupConcat($expr, ?string $separator = ','): IQueryFunction {
$separator = $this->connection->quote($separator);
return new QueryFunction('GROUP_CONCAT(' . $this->helper->quoteColumnName($expr) . ' SEPARATOR ' . $separator . ')');
}
public function substring($input, $start, $length = null): IQueryFunction {
if ($length) {
return new QueryFunction('SUBSTR(' . $this->helper->quoteColumnName($input) . ', ' . $this->helper->quoteColumnName($start) . ', ' . $this->helper->quoteColumnName($length) . ')');
} else {
return new QueryFunction('SUBSTR(' . $this->helper->quoteColumnName($input) . ', ' . $this->helper->quoteColumnName($start) . ')');
}
}
public function sum($field): IQueryFunction {
return new QueryFunction('SUM(' . $this->helper->quoteColumnName($field) . ')');
}
public function lower($field): IQueryFunction {
return new QueryFunction('LOWER(' . $this->helper->quoteColumnName($field) . ')');
}
public function add($x, $y): IQueryFunction {
return new QueryFunction($this->helper->quoteColumnName($x) . ' + ' . $this->helper->quoteColumnName($y));
}
public function subtract($x, $y): IQueryFunction {
return new QueryFunction($this->helper->quoteColumnName($x) . ' - ' . $this->helper->quoteColumnName($y));
}
public function count($count = '', $alias = ''): IQueryFunction {
$alias = $alias ? (' AS ' . $this->helper->quoteColumnName($alias)) : '';
$quotedName = $count === '' ? '*' : $this->helper->quoteColumnName($count);
return new QueryFunction('COUNT(' . $quotedName . ')' . $alias);
}
public function max($field): IQueryFunction {
return new QueryFunction('MAX(' . $this->helper->quoteColumnName($field) . ')');
}
public function min($field): IQueryFunction {
return new QueryFunction('MIN(' . $this->helper->quoteColumnName($field) . ')');
}
public function greatest($x, $y): IQueryFunction {
return new QueryFunction('GREATEST(' . $this->helper->quoteColumnName($x) . ', ' . $this->helper->quoteColumnName($y) . ')');
}
public function least($x, $y): IQueryFunction {
return new QueryFunction('LEAST(' . $this->helper->quoteColumnName($x) . ', ' . $this->helper->quoteColumnName($y) . ')');
}
}
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