Passed
Push — v2 ( 807831...ce86e9 )
by Daniel
03:22
created

SortableTrait::getFirstSortValue()   A

Complexity

Conditions 2
Paths 2

Size

Total Lines 4
Code Lines 2

Duplication

Lines 0
Ratio 0 %

Code Coverage

Tests 0
CRAP Score 6

Importance

Changes 0
Metric Value
cc 2
eloc 2
nc 2
nop 1
dl 0
loc 4
ccs 0
cts 3
cp 0
crap 6
rs 10
c 0
b 0
f 0
1
<?php
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/*
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 * This file is part of the Silverback API Component Bundle Project
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 *
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 * (c) Daniel West <[email protected]>
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 *
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 * For the full copyright and license information, please view the LICENSE
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 * file that was distributed with this source code.
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 */
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declare(strict_types=1);
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namespace Silverback\ApiComponentBundle\Entity\Utility;
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use Doctrine\Common\Collections\Collection;
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use Doctrine\ORM\Mapping as ORM;
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/**
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 * @author Daniel West <[email protected]>
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 */
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trait SortableTrait
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{
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    /** @ORM\Column(type="integer") */
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    public ?int $sort = 0;
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    final public function calculateSort(?bool $sortLast = null, ?Collection $sortCollection = null): int
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    {
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        /** @var Collection|SortableInterface[]|null $collection */
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        $collection = $sortCollection ?: $this->getSortCollection();
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        if (null === $collection || null === $sortLast) {
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            return 0;
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        }
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        if ($sortLast) {
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            return $this->getLastSortValue($collection);
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        }
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        return $this->getFirstSortValue($collection);
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    }
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    private function isSortableResource($resource): bool
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    {
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        if (!is_object($resource)) {
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            return false;
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        }
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        return in_array(SortableTrait::class, class_uses($resource), true);
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    }
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    private function getLastSortValue(Collection $collection): int
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    {
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        $lastItem = $collection->last();
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        return $this->isSortableResource($lastItem) ? ($lastItem->sort + 1) : 0;
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    }
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    private function getFirstSortValue(Collection $collection): int
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    {
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        $firstItem = $collection->first();
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        return $this->isSortableResource($firstItem) ? ($firstItem->sort - 1) : 0;
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    }
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    abstract public function getSortCollection(): ?Collection;
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}
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