Happyr\DoctrineSpecification\Query\Selection\AbstractSelectAs

Complexity

Total Complexity

3

Size/Duplication

Total Lines	47
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	3

Importance

Changes

0

3 Methods

Rating	Name	Duplication	Size	Complexity
A	__construct()	0	5	1
A	transform()	0	11	2
	getAliasFormat()	0	1	?

<?php

namespace Happyr\DoctrineSpecification\Query\Selection;

use Doctrine\ORM\QueryBuilder;
use Happyr\DoctrineSpecification\Filter\Filter;
use Happyr\DoctrineSpecification\Operand\ArgumentToOperandConverter;
use Happyr\DoctrineSpecification\Operand\Operand;

abstract class AbstractSelectAs implements Selection
{
    /**
     * @var Operand|Filter|string
     */
    private $expression;

    /**
     * @var string
     */
    private $alias = '';

    /**
     * @param Filter|Operand|string $expression
     * @param string                $alias
     */
    public function __construct($expression, $alias)
    {
        $this->expression = $expression;
        $this->alias = $alias;
    }

    /**
     * @param QueryBuilder $qb
     * @param string       $dqlAlias
     *
     * @return string
     */
    public function transform(QueryBuilder $qb, $dqlAlias)
    {
        if ($this->expression instanceof Filter) {
            $expression = $this->expression->getFilter($qb, $dqlAlias);
        } else {
            $expression = ArgumentToOperandConverter::toField($this->expression);
            $expression = $expression->transform($qb, $dqlAlias);
        }

        return sprintf($this->getAliasFormat(), $expression, $this->alias);
    }

    /**
     * Return a select format.
     *
     * @return string
     */
    abstract protected function getAliasFormat();
}