Sorter.php

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<?php

declare(strict_types=1);

namespace ILIAS\ResourceStorage\Collection\Sorter;

use ILIAS\ResourceStorage\Collection\CollectionBuilder;
use ILIAS\ResourceStorage\Collection\ResourceCollection;
use ILIAS\ResourceStorage\Resource\ResourceBuilder;

class Sorter
{
    protected const SORT_ASC = SORT_ASC;
    protected const SORT_DESC = SORT_DESC;

    protected int $sort_direction = self::SORT_ASC;
    private bool $sort_and_save = false;
    protected ResourceBuilder $resource_builder;
    protected CollectionBuilder $collection_builder;
    protected ResourceCollection $collection;

    public function __construct(
        ResourceBuilder $resource_builder,
        CollectionBuilder $collection_builder,
        ResourceCollection $collection
    ) {
        $this->resource_builder = $resource_builder;
        $this->collection_builder = $collection_builder;
        $this->collection = $collection;
    }

    public function andSave(): self
    {
        $this->sort_and_save = true;
        return $this;
    }

    public function asc(): self
    {
        $this->sort_direction = self::SORT_ASC;
        return $this;
    }

    public function desc(): self
    {
        $this->sort_direction = self::SORT_DESC;
        return $this;
    }


    public function byTitle(): ResourceCollection
    {
        return $this->custom(new ByTitle($this->resource_builder, $this->sort_direction));
    }

    public function bySize(): ResourceCollection
    {
        return $this->custom(new BySize($this->resource_builder, $this->sort_direction));
    }


    public function byCreationDate(): ResourceCollection
    {
        return $this->custom(new ByCreationDate($this->resource_builder, $this->sort_direction));
    }

    public function custom(CollectionSorter $sorter): ResourceCollection
    {
        $collection = $sorter->sort($this->collection);
        if ($this->sort_and_save) {
            $this->collection_builder->store($collection);
        }
        return $collection;
    }
}