ResourceARRepository.php

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<?php
 
namespace ILIAS\ResourceStorage\Resource\Repository;
 
use ILIAS\ResourceStorage\Identification\ResourceIdentification;
use ILIAS\ResourceStorage\Resource\ResourceNotFoundException;
use ILIAS\ResourceStorage\Resource\StorableFileResource;
use ILIAS\ResourceStorage\Resource\StorableResource;
 
class ResourceARRepository implements ResourceRepository
{
 
    public function blank(ResourceIdentification $identification) : StorableResource
    {
        return new StorableFileResource($identification);
    }
 
    public function get(ResourceIdentification $identification) : StorableResource
    {
        $ar = $this->getAR($identification);
        $r = $this->blank($identification);
        $r->setStorageId($ar->getStorageId());
 
        return $r;
    }
 
    public function has(ResourceIdentification $identification) : bool
    {
        return ARResource::find($identification->serialize()) instanceof ARResource;
    }
 
    public function store(StorableResource $resource) : void
    {
        $ar = $this->getAR($resource->getIdentification(), true);
        $ar->setStorageId($resource->getStorageID());
        $ar->update();
    }
 
    public function getAR(ResourceIdentification $identification, bool $create_if_not_existing = false) : ARResource
    {
        $ar = ARResource::find($identification->serialize());
        if ($ar === null) {
            if (!$create_if_not_existing) {
                throw new ResourceNotFoundException("Resource not found: " . $identification->serialize());
            }
            $ar = new ARResource();
            $ar->setIdentification($identification->serialize());
            $ar->create();
        }
 
        return $ar;
    }
 
    public function delete(StorableResource $resource) : void
    {
        $ar = ARResource::find($resource->getIdentification()->serialize());
        if ($ar instanceof ARResource) {
            $ar->delete();
        }
    }
 
    public function getAll() : \Generator
    {
        foreach (ARResource::get() as $item) {
            yield $this->getResourceFromAR($item);
        }
    }
 
    public function getResourceFromAR(ARResource $AR_resource) : StorableResource
    {
        $id = new ResourceIdentification($AR_resource->getIdentification());
        $r = new StorableFileResource($id);
        $r->setStorageId($AR_resource->getStorageId());
 
        return $r;
    }
 
    public function getNamesForLocking() : array
    {
        return [
            (new ARResource())->getConnectorContainerName()
        ];
    }
 
    public function preload(array $identification_strings) : void
    {
        // noting to to
    }
 
    public function populateFromArray(array $data) : void
    {
        // noting to to
    }
}