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<?php |
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/** |
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* Author: Nil Portugués Calderó <[email protected]> |
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* Date: 6/02/16 |
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* Time: 13:05. |
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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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namespace NilPortugues\Foundation\Infrastructure\Model\Repository\FileSystem; |
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use NilPortugues\Assert\Assert; |
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use NilPortugues\Foundation\Domain\Model\Repository\Contracts\Fields; |
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use NilPortugues\Foundation\Domain\Model\Repository\Contracts\Filter; |
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use NilPortugues\Foundation\Domain\Model\Repository\Contracts\Identity; |
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use NilPortugues\Foundation\Domain\Model\Repository\Contracts\Page; |
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use NilPortugues\Foundation\Domain\Model\Repository\Contracts\Pageable; |
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use NilPortugues\Foundation\Domain\Model\Repository\Contracts\PageRepository; |
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use NilPortugues\Foundation\Domain\Model\Repository\Contracts\ReadRepository; |
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use NilPortugues\Foundation\Domain\Model\Repository\Contracts\Sort; |
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use NilPortugues\Foundation\Domain\Model\Repository\Contracts\WriteRepository; |
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use NilPortugues\Foundation\Domain\Model\Repository\Page as ResultPage; |
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use NilPortugues\Foundation\Infrastructure\Model\Repository\FileSystem\Contracts\FileSystem; |
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use NilPortugues\Foundation\Infrastructure\Model\Repository\InMemory\Filter as InMemoryFilter; |
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use NilPortugues\Foundation\Infrastructure\Model\Repository\InMemory\Sorter as InMemorySorter; |
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/** |
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* Class FileSystemRepository. |
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*/ |
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class FileSystemRepository implements ReadRepository, WriteRepository, PageRepository |
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{ |
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/** |
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* @var FileSystem |
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*/ |
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protected $fileSystem; |
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/** |
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* FileSystemRepository constructor. |
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* |
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* @param FileSystem $fileSystem |
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*/ |
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public function __construct(FileSystem $fileSystem) |
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{ |
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$this->fileSystem = $fileSystem; |
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} |
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/** |
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* Retrieves an entity by its id. |
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* |
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* @param Identity $id |
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* @param Fields|null $fields |
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* |
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* @return mixed |
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*/ |
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public function find(Identity $id, Fields $fields = null) |
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{ |
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return $this->fileSystem->read($id->id()); |
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} |
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/** |
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* Returns the total amount of elements in the repository given the restrictions provided by the Filter object. |
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* |
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* @param Filter|null $filter |
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* |
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* @return int |
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*/ |
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public function count(Filter $filter = null) |
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{ |
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$allFiles = $this->fileSystem->files(); |
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if ($filter) { |
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$allFiles = InMemoryFilter::filter($allFiles, $filter); |
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} |
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return count($allFiles); |
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} |
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/** |
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* Returns whether an entity with the given id exists. |
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* |
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* @param $id |
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* |
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* @return bool |
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*/ |
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public function exists(Identity $id) |
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{ |
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return $this->fileSystem->exists($id); |
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} |
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/** |
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* Adds a collections of entities to the storage. |
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* |
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* @param array $values |
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* |
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* @return mixed |
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*/ |
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public function addAll(array $values) |
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{ |
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foreach ($values as $value) { |
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Assert::isInstanceOf($value, Identity::class); |
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$this->add($value); |
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} |
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} |
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/** |
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* Adds a new entity to the storage. |
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* |
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* @param Identity $value |
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* |
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* @return mixed |
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*/ |
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public function add(Identity $value) |
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{ |
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$this->fileSystem->write($value->id(), $value); |
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} |
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/** |
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* Removes all elements in the repository given the restrictions provided by the Filter object. |
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* If $filter is null, all the repository data will be deleted. |
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* |
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* @param Filter $filter |
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* |
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* @return bool |
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*/ |
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public function removeAll(Filter $filter = null) |
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{ |
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if (null === $filter) { |
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$this->fileSystem->deleteAll(); |
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return true; |
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} |
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$elements = (array) $this->findBy($filter); |
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foreach ($elements as $element) { |
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$this->remove($element); |
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} |
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return true; |
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} |
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/** |
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* Returns all instances of the type. |
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* |
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* @param Filter|null $filter |
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* @param Sort|null $sort |
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* @param Fields|null $fields |
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* |
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* @return array |
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*/ |
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public function findBy(Filter $filter = null, Sort $sort = null, Fields $fields = null) |
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{ |
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$allFiles = $this->fileSystem->files(); |
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if ($filter) { |
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$allFiles = InMemoryFilter::filter($allFiles, $filter); |
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} |
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if ($sort) { |
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$allFiles = InMemorySorter::sort($allFiles, $sort); |
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} |
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return $allFiles; |
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} |
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/** |
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* Removes the entity with the given id. |
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* |
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* @param $id |
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*/ |
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public function remove(Identity $id) |
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{ |
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$this->fileSystem->delete($id); |
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} |
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/** |
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* Returns a Page of entities meeting the paging restriction provided in the Pageable object. |
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* |
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* @param Pageable $pageable |
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* |
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* @return Page |
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*/ |
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public function findAll(Pageable $pageable = null) |
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{ |
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if (null === $pageable) { |
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$files = $this->findBy(); |
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return new ResultPage($files, count($files), 1, 1); |
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} |
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$results = $this->findBy($pageable->filters(), $pageable->sortings()); |
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return new ResultPage( |
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array_slice($results, $pageable->offset() - $pageable->pageSize(), $pageable->pageSize()), |
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count($results), |
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$pageable->pageNumber(), |
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ceil(count($results) / $pageable->pageSize()) |
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); |
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} |
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} |
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