Janisbiz\LightOrm\Dms\MySQL\QueryBuilder\Traits\OrderByTrait

Complexity

Total Complexity

7

Size/Duplication

Total Lines	43
Duplicated Lines	0 %

Importance

Changes

0

2 Methods

Rating	Name	Duplication	Size	Complexity
A	buildOrderByQueryPart()	0	5	2
A	orderBy()	0	19	5

<?php declare(strict_types=1);

namespace Janisbiz\LightOrm\Dms\MySQL\QueryBuilder\Traits;

use Janisbiz\LightOrm\Dms\MySQL\Enum\ConditionEnum;
use Janisbiz\LightOrm\Dms\MySQL\Enum\KeywordEnum;
use Janisbiz\LightOrm\Dms\MySQL\QueryBuilder\QueryBuilderException;

trait OrderByTrait
{
    /**
     * @var array
     */
    protected $orderBy = [];

    /**
     * @param string|array $orderBy
     * @param string $keyword
     *
     * @throws QueryBuilderException
     * @return $this
     */
    public function orderBy($orderBy, string $keyword = KeywordEnum::ASC)
    {
        if (empty($orderBy)) {
            throw new QueryBuilderException('You must pass $orderBy to orderBy method!');
        }

        if (!\in_array($keyword, [KeywordEnum::ASC, KeywordEnum::DESC])) {
            throw new QueryBuilderException(\sprintf('Invalid $keyword "%s" for orderBy!', $keyword));
        }

        if (!\is_array($orderBy)) {
            $orderBy = [$orderBy];
        }

        foreach ($orderBy as $orderByColumn) {
            $this->orderBy[] = \sprintf('%s %s', $orderByColumn, $keyword);
        }

        return $this;
    }

    /**
     * @return null|string
     */
    protected function buildOrderByQueryPart(): ?string
    {
        return empty($this->orderBy)
            ? null
            : \sprintf('%s %s', ConditionEnum::ORDER_BY, \implode(', ', $this->orderBy))
        ;
    }
}