ArgumentResolver\Resolution\Resolutions

Complexity

Total Complexity

25

Size/Duplication

Total Lines	143
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	1

Importance

Changes

0

10 Methods

Rating	Name	Duplication	Size	Complexity
A	__construct()	0	4	1
A	add()	0	4	1
A	addCollection()	0	6	2
A	sortByPriority()	0	8	2
A	toArgumentsArray()	0	15	3
A	getIterator()	0	4	1
A	toArray()	0	4	1
A	getHighestPosition()	0	13	3
A	getByPosition()	0	10	3
B	getMissingResolutionPositions()	0	20	8

<?php

namespace ArgumentResolver\Resolution;

class Resolutions implements \IteratorAggregate
{
    /**
     * @var Resolution[]
     */
    private $resolutions;

    /**
     * @param Resolution[] $resolutions
     */
    public function __construct(array $resolutions = [])
    {
        $this->resolutions = $resolutions;
    }

    /**
     * @param Resolution $resolution
     */
    public function add(Resolution $resolution)
    {
        $this->resolutions[] = $resolution;
    }

    /**
     * @param array $resolutions
     */
    public function addCollection(array $resolutions)
    {
        foreach ($resolutions as $resolution) {
            $this->add($resolution);
        }
    }

    /**
     * Sort `Resolution`s by priority.
     *
     * The higher the priority is, the first the `Resolution` will be.
     *
     * @return Resolutions
     */
    public function sortByPriority()
    {
        usort($this->resolutions, function (Resolution $left, Resolution $right) {
            return $left->priority() < $right->priority() ? 1 : -1;
        });

        return $this;
    }

    /**
     * @return array
     */
    public function toArgumentsArray()
    {
        $arguments = [];
        foreach ($this->resolutions as $resolution) {
            if (array_key_exists($resolution->position(), $arguments)) {
                continue;
            }

            $arguments[$resolution->position()] = $resolution->value();
        }

        ksort($arguments);

        return $arguments;
    }

    /**
     * {@inheritdoc).
     */
    public function getIterator()
    {
        return new \ArrayIterator($this->toArray());
    }

    /**
     * @return Resolution[]
     */
    public function toArray()
    {
        return $this->resolutions;
    }

    /**
     * @param int $expectedArguments The number of expected arguments
     *
     * @return array
     */
    public function getMissingResolutionPositions($expectedArguments = null)
    {
        $positions = [];

        if (null !== ($highestPosition = $this->getHighestPosition())) {
            foreach (range(0, $highestPosition) as $position) {
                if (null === $this->getByPosition($position)) {
                    $positions[] = $position;
                }
            }
        }

        if (is_int($expectedArguments) && $expectedArguments > 0) {
            for ($i = $highestPosition === null ? -1 : $highestPosition; $i < ($expectedArguments - 1); $i++) {
                $positions[] = $i + 1;
            }
        }

        return $positions;
    }

    /**
     * @return int|null
     */
    private function getHighestPosition()
    {
        if (count($this->resolutions) == 0) {
            return null;
        }

        $position = 0;
        foreach ($this->resolutions as $resolution) {
            $position = max($position, $resolution->position());
        }

        return $position;
    }

    /**
     * @param $position
     *
     * @return Resolution|null
     */
    private function getByPosition($position)
    {
        foreach ($this->resolutions as $resolution) {
            if ($resolution->position() === $position) {
                return $resolution;
            }
        }

        return;
    }
}