ResourceCollection.php

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<?php
 
declare(strict_types=1);
 
namespace ILIAS\ResourceStorage\Collection;
 
use ILIAS\ResourceStorage\Identification\ResourceCollectionIdentification;
use ILIAS\ResourceStorage\Identification\ResourceIdentification;
 
class ResourceCollection
{
    public const NO_SPECIFIC_OWNER = -1;
    private array $resource_identifications = [];
    private string $title = 'default';
    private ResourceCollectionIdentification $identification;
    private int $owner;
 
    public function __construct(
        ResourceCollectionIdentification $identification,
        int $owner,
        string $title // currently unused
    ) {
        $this->identification = $identification;
        $this->owner = $owner;
    }
 
    public function getIdentification(): ResourceCollectionIdentification
    {
        return $this->identification;
    }
 
    public function hasSpecificOwner(): bool
    {
        return $this->owner !== self::NO_SPECIFIC_OWNER;
    }
 
    public function getOwner(): int
    {
        return $this->owner;
    }
 
    public function getTitle(): string
    {
        return $this->title;
    }
 
    public function add(ResourceIdentification $identification): void
    {
        $this->resource_identifications[] = $identification;
    }
 
    public function remove(ResourceIdentification $identification): void
    {
        $this->resource_identifications = array_filter(
            $this->resource_identifications,
            fn (ResourceIdentification $i): bool => $i->serialize() !== $identification->serialize()
        );
    }
 
    public function isIn(ResourceIdentification $identification): bool
    {
        foreach ($this->resource_identifications as $i) {
            if ($i->serialize() === $identification->serialize()) {
                return true;
            }
        }
        return false;
    }
 
    public function getResourceIdentifications(): array
    {
        return $this->resource_identifications;
    }
 
    public function count(): int
    {
        return count($this->resource_identifications);
    }
 
    public function clear(): void
    {
        $this->resource_identifications = [];
    }
}