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<?php |
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declare(strict_types=1); |
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/** |
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* balloon |
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* |
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* @copyright Copryright (c) 2012-2019 gyselroth GmbH (https://gyselroth.com) |
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* @license GPL-3.0 https://opensource.org/licenses/GPL-3.0 |
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*/ |
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namespace Balloon\App\Api\v2; |
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use Balloon\App\Api\Helper as ApiHelper; |
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use Balloon\App\Api\v2\Collections as ApiCollection; |
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use Balloon\App\Api\v2\Files as ApiFile; |
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use Balloon\AttributeDecorator\Pager; |
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use Balloon\Filesystem; |
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use Balloon\Filesystem\DeltaAttributeDecorator; |
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use Balloon\Filesystem\EventAttributeDecorator; |
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use Balloon\Filesystem\Exception; |
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use Balloon\Filesystem\Node\AttributeDecorator as NodeAttributeDecorator; |
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use Balloon\Filesystem\Node\Collection; |
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use Balloon\Filesystem\Node\NodeInterface; |
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use Balloon\Helper; |
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use Balloon\Server; |
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use Balloon\Server\User; |
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use Micro\Http\Response; |
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use function MongoDB\BSON\fromJSON; |
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use function MongoDB\BSON\toPHP; |
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use MongoDB\BSON\UTCDateTime; |
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use Psr\Log\LoggerInterface; |
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use ZipStream\ZipStream; |
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class Nodes extends Controller |
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{ |
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/** |
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* Filesystem. |
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* |
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* @var Filesystem |
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*/ |
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protected $fs; |
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/** |
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* LoggerInterface. |
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* |
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* @var LoggerInterface |
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*/ |
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protected $logger; |
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/** |
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* Server. |
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* |
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* @var Server |
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*/ |
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protected $server; |
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/** |
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* User. |
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* |
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* @var User |
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*/ |
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protected $user; |
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/** |
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* Node attribute decorator. |
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* |
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* @var NodeAttributeDecorator |
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*/ |
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protected $node_decorator; |
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/** |
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* Initialize. |
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*/ |
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public function __construct(Server $server, NodeAttributeDecorator $decorator, LoggerInterface $logger) |
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{ |
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$this->fs = $server->getFilesystem(); |
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$this->user = $server->getIdentity(); |
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$this->server = $server; |
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$this->node_decorator = $decorator; |
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$this->logger = $logger; |
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} |
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/** |
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* Restore node. |
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*/ |
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public function postUndelete( |
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$id, |
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bool $move = false, |
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?string $destid = null, |
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int $conflict = 0 |
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): Response { |
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$parent = null; |
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if (true === $move) { |
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try { |
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$parent = $this->fs->getNode($destid, Collection::class, false, true); |
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} catch (Exception\NotFound $e) { |
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throw new Exception\NotFound( |
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'destination collection was not found or is not a collection', |
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Exception\NotFound::DESTINATION_NOT_FOUND |
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); |
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} |
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} |
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return $this->bulk($id, function ($node) use ($parent, $conflict, $move) { |
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if (true === $move) { |
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$node = $node->setParent($parent, $conflict); |
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} |
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$node->undelete($conflict); |
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return [ |
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'code' => 200, |
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'data' => $this->node_decorator->decorate($node), |
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]; |
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}); |
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} |
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/** |
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* Download stream. |
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* |
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* @param null|mixed $id |
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*/ |
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public function getContent( |
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$id = null, |
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bool $download = false, |
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string $name = 'selected', |
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?string $encoding = null |
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): ?Response { |
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if (is_array($id)) { |
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return $this->combine($id, $name); |
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} |
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$node = $this->_getNode($id); |
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if ($node instanceof Collection) { |
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return $node->getZip(); |
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} |
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$response = new Response(); |
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return ApiHelper::streamContent($response, $node, $download); |
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} |
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/** |
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* Get attributes. |
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* |
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* @param null|mixed $id |
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* @param null|mixed $query |
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*/ |
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public function get($id = null, int $deleted = 0, $query = null, array $attributes = [], int $offset = 0, int $limit = 20): Response |
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{ |
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if ($id === null) { |
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$query = $this->parseQuery($query); |
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if ($this instanceof ApiFile) { |
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$query['directory'] = false; |
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$uri = '/api/v2/files'; |
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} elseif ($this instanceof ApiCollection) { |
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$query['directory'] = true; |
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$uri = '/api/v2/collections'; |
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} else { |
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$uri = '/api/v2/nodes'; |
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} |
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$nodes = $this->fs->findNodesByFilterUser($deleted, $query, $offset, $limit); |
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$pager = new Pager($this->node_decorator, $nodes, $attributes, $offset, $limit, $uri); |
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$result = $pager->paging(); |
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return (new Response())->setCode(200)->setBody($result); |
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} |
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return $this->bulk($id, function ($node) use ($attributes) { |
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return [ |
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'code' => 200, |
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'data' => $this->node_decorator->decorate($node, $attributes), |
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]; |
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}); |
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} |
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/** |
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* Get parent nodes. |
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*/ |
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public function getParents(string $id, array $attributes = [], bool $self = false): Response |
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{ |
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$result = []; |
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$request = $this->_getNode($id); |
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$parents = $request->getParents(); |
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if (true === $self && $request instanceof Collection) { |
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$result[] = $this->node_decorator->decorate($request, $attributes); |
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} |
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foreach ($parents as $node) { |
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$result[] = $this->node_decorator->decorate($node, $attributes); |
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} |
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return (new Response())->setCode(200)->setBody($result); |
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} |
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/** |
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* Change attributes. |
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* |
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* @param null|mixed $lock |
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*/ |
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public function patch(string $id, ?string $name = null, ?array $meta = null, ?bool $readonly = null, ?array $filter = null, ?array $acl = null, $lock = null): Response |
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{ |
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$attributes = compact('name', 'meta', 'readonly', 'filter', 'acl', 'lock'); |
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$attributes = array_filter($attributes, function ($attribute) {return !is_null($attribute); }); |
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$lock = $_SERVER['HTTP_LOCK_TOKEN'] ?? null; |
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return $this->bulk($id, function ($node) use ($attributes, $lock) { |
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foreach ($attributes as $attribute => $value) { |
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switch ($attribute) { |
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case 'name': |
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$node->setName($value); |
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break; |
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case 'meta': |
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$node->setMetaAttributes($value); |
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break; |
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case 'readonly': |
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$node->setReadonly($value); |
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break; |
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case 'filter': |
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if ($node instanceof Collection) { |
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$node->setFilter($value); |
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} |
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break; |
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case 'acl': |
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$node->setAcl($value); |
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break; |
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case 'lock': |
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if ($value === false) { |
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$node->unlock($lock); |
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} else { |
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$node->lock($lock); |
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} |
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break; |
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} |
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} |
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return [ |
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'code' => 200, |
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'data' => $this->node_decorator->decorate($node), |
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]; |
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}); |
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} |
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/** |
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* Clone node. |
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*/ |
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public function postClone( |
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$id, |
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?string $destid = null, |
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int $conflict = 0 |
262
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): Response { |
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try { |
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$parent = $this->fs->getNode($destid, Collection::class, false, true); |
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} catch (Exception\NotFound $e) { |
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throw new Exception\NotFound( |
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'destination collection was not found or is not a collection', |
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Exception\NotFound::DESTINATION_NOT_FOUND |
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); |
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} |
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return $this->bulk($id, function ($node) use ($parent, $conflict) { |
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$result = $node->copyTo($parent, $conflict); |
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return [ |
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'code' => $parent == $result ? 200 : 201, |
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'data' => $this->node_decorator->decorate($result), |
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]; |
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}); |
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} |
281
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282
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/** |
283
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* Move node. |
284
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*/ |
285
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public function postMove( |
286
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$id, |
287
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?string $destid = null, |
288
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int $conflict = 0 |
289
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): Response { |
290
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try { |
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$parent = $this->fs->getNode($destid, Collection::class, false, true); |
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} catch (Exception\NotFound $e) { |
293
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throw new Exception\NotFound( |
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'destination collection was not found or is not a collection', |
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Exception\NotFound::DESTINATION_NOT_FOUND |
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); |
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} |
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299
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return $this->bulk($id, function ($node) use ($parent, $conflict) { |
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$result = $node->setParent($parent, $conflict); |
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301
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302
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return [ |
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'code' => 200, |
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'data' => $this->node_decorator->decorate($node), |
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]; |
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}); |
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} |
308
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309
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/** |
310
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* Delete node. |
311
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*/ |
312
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public function delete( |
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$id, |
314
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bool $force = false, |
315
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bool $ignore_flag = false, |
316
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?string $at = null |
317
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): Response { |
318
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$failures = []; |
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319
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320
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if (null !== $at && '0' !== $at) { |
321
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$at = $this->_verifyAttributes(['destroy' => $at])['destroy']; |
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} |
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324
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return $this->bulk($id, function ($node) use ($force, $ignore_flag, $at) { |
325
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if (null === $at) { |
326
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$node->delete($force && $node->isDeleted() || $force && $ignore_flag); |
327
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} else { |
328
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if ('0' === $at) { |
329
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$at = null; |
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330
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} |
331
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$node->setDestroyable($at); |
332
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} |
333
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334
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return [ |
335
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'code' => 204, |
336
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]; |
337
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}); |
338
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} |
339
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|
340
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/** |
341
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* Get trash. |
342
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* |
343
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* @param null|mixed $query |
344
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*/ |
345
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public function getTrash($query = null, array $attributes = [], int $offset = 0, int $limit = 20): Response |
346
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{ |
347
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$children = []; |
348
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$query = $this->parseQuery($query); |
349
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$filter = ['deleted' => ['$type' => 9]]; |
350
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|
351
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if (!empty($query)) { |
352
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$filter = [ |
353
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$filter, |
354
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$query, |
355
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]; |
356
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} |
357
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|
358
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$nodes = $this->fs->findNodesByFilterUser(NodeInterface::DELETED_ONLY, $filter, $offset, $limit); |
359
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360
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foreach ($nodes as $node) { |
361
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try { |
362
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$parent = $node->getParent(); |
363
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if (null !== $parent && $parent->isDeleted()) { |
364
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continue; |
365
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} |
366
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} catch (\Exception $e) { |
367
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//skip exception |
368
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} |
369
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|
370
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$children[] = $node; |
371
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} |
372
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|
373
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|
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if ($this instanceof ApiFile) { |
374
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$query['directory'] = false; |
375
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$uri = '/api/v2/files'; |
376
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} elseif ($this instanceof ApiCollection) { |
377
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$query['directory'] = true; |
378
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$uri = '/api/v2/collections'; |
379
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} else { |
380
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$uri = '/api/v2/nodes'; |
381
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} |
382
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|
|
|
383
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|
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$pager = new Pager($this->node_decorator, $children, $attributes, $offset, $limit, $uri, $nodes->getReturn()); |
384
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|
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$result = $pager->paging(); |
385
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|
386
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|
|
return (new Response())->setCode(200)->setBody($result); |
387
|
|
|
} |
388
|
|
|
|
389
|
|
|
/** |
390
|
|
|
* Get delta. |
391
|
|
|
*/ |
392
|
|
|
public function getDelta( |
393
|
|
|
DeltaAttributeDecorator $delta_decorator, |
394
|
|
|
?string $id = null, |
395
|
|
|
?string $cursor = null, |
396
|
|
|
int $limit = 250, |
397
|
|
|
array $attributes = [] |
398
|
|
|
): Response { |
399
|
|
|
if (null !== $id) { |
400
|
|
|
$node = $this->_getNode($id); |
401
|
|
|
} else { |
402
|
|
|
$node = null; |
403
|
|
|
} |
404
|
|
|
|
405
|
|
|
$result = $this->fs->getDelta()->getDeltaFeed($cursor, $limit, $node); |
406
|
|
|
foreach ($result['nodes'] as &$node) { |
407
|
|
|
if ($node instanceof NodeInterface) { |
408
|
|
|
$node = $this->node_decorator->decorate($node, $attributes); |
409
|
|
|
} else { |
410
|
|
|
$node = $delta_decorator->decorate($node, $attributes); |
411
|
|
|
} |
412
|
|
|
} |
413
|
|
|
|
414
|
|
|
return (new Response())->setCode(200)->setBody($result); |
415
|
|
|
} |
416
|
|
|
|
417
|
|
|
/** |
418
|
|
|
* Event log. |
419
|
|
|
* |
420
|
|
|
* @param null|mixed $query |
421
|
|
|
*/ |
422
|
|
|
public function getEventLog(EventAttributeDecorator $event_decorator, ?string $id = null, $query = null, ?string $sort = null, ?array $attributes = [], int $offset = 0, int $limit = 20): Response |
|
|
|
|
423
|
|
|
{ |
424
|
|
|
if (null !== $id) { |
425
|
|
|
$node = $this->_getNode($id); |
426
|
|
|
$uri = '/api/v2/nodes/'.$node->getId().'/event-log'; |
427
|
|
|
} else { |
428
|
|
|
$node = null; |
429
|
|
|
$uri = '/api/v2/nodes/event-log'; |
430
|
|
|
} |
431
|
|
|
|
432
|
|
|
$query = $this->parseQuery($query); |
433
|
|
|
$result = $this->fs->getDelta()->getEventLog($query, $limit, $offset, $node, $total); |
434
|
|
|
$pager = new Pager($event_decorator, $result, $attributes, $offset, $limit, $uri, $total); |
435
|
|
|
|
436
|
|
|
return (new Response())->setCode(200)->setBody($pager->paging()); |
437
|
|
|
} |
438
|
|
|
|
439
|
|
|
/** |
440
|
|
|
* Get last Cursor. |
441
|
|
|
*/ |
442
|
|
|
public function getLastCursor(?string $id = null): Response |
443
|
|
|
{ |
444
|
|
|
if (null !== $id) { |
445
|
|
|
$node = $this->_getNode($id); |
|
|
|
|
446
|
|
|
} else { |
447
|
|
|
$node = null; |
|
|
|
|
448
|
|
|
} |
449
|
|
|
|
450
|
|
|
$result = $this->fs->getDelta()->getLastCursor(); |
451
|
|
|
|
452
|
|
|
return (new Response())->setCode(200)->setBody($result); |
453
|
|
|
} |
454
|
|
|
|
455
|
|
|
/** |
456
|
|
|
* Parse query. |
457
|
|
|
*/ |
458
|
|
|
protected function parseQuery($query): array |
459
|
|
|
{ |
460
|
|
|
if ($query === null) { |
461
|
|
|
$query = []; |
462
|
|
|
} elseif (is_string($query)) { |
463
|
|
|
$query = toPHP(fromJSON($query), [ |
464
|
|
|
'root' => 'array', |
465
|
|
|
'document' => 'array', |
466
|
|
|
'array' => 'array', |
467
|
|
|
]); |
468
|
|
|
} |
469
|
|
|
|
470
|
|
|
return (array) $query; |
471
|
|
|
} |
472
|
|
|
|
473
|
|
|
/** |
474
|
|
|
* Merge multiple nodes into one zip archive. |
475
|
|
|
* |
476
|
|
|
* @param null|mixed $id |
477
|
|
|
*/ |
478
|
|
|
protected function combine($id = null, string $name = 'selected') |
479
|
|
|
{ |
480
|
|
|
$archive = new ZipStream($name.'.zip'); |
481
|
|
|
|
482
|
|
|
foreach ($this->_getNodes($id) as $node) { |
483
|
|
|
try { |
484
|
|
|
$node->zip($archive); |
485
|
|
|
} catch (\Exception $e) { |
486
|
|
|
$this->logger->debug('failed zip node in multi node request ['.$node->getId().']', [ |
487
|
|
|
'category' => get_class($this), |
488
|
|
|
'exception' => $e, |
489
|
|
|
]); |
490
|
|
|
} |
491
|
|
|
} |
492
|
|
|
|
493
|
|
|
$archive->finish(); |
494
|
|
|
} |
495
|
|
|
|
496
|
|
|
/** |
497
|
|
|
* Check custom node attributes which have to be written. |
498
|
|
|
*/ |
499
|
|
|
protected function _verifyAttributes(array $attributes): array |
500
|
|
|
{ |
501
|
|
|
$valid_attributes = [ |
502
|
|
|
'changed', |
503
|
|
|
'destroy', |
504
|
|
|
'created', |
505
|
|
|
'meta', |
506
|
|
|
'readonly', |
507
|
|
|
'acl', |
508
|
|
|
'lock', |
509
|
|
|
]; |
510
|
|
|
|
511
|
|
|
if ($this instanceof ApiCollection) { |
512
|
|
|
$valid_attributes += ['filter', 'mount']; |
513
|
|
|
} |
514
|
|
|
|
515
|
|
|
$check = array_merge(array_flip($valid_attributes), $attributes); |
516
|
|
|
|
517
|
|
|
if ($this instanceof ApiCollection && count($check) > 9) { |
518
|
|
|
throw new Exception\InvalidArgument('Only changed, created, destroy timestamp, acl, lock, filter, mount, readonly and/or meta attributes may be overwritten'); |
519
|
|
|
} |
520
|
|
|
if ($this instanceof ApiFile && count($check) > 7) { |
521
|
|
|
throw new Exception\InvalidArgument('Only changed, created, destroy timestamp, acl, lock, readonly and/or meta attributes may be overwritten'); |
522
|
|
|
} |
523
|
|
|
|
524
|
|
|
foreach ($attributes as $attribute => $value) { |
525
|
|
|
switch ($attribute) { |
526
|
|
|
case 'filter': |
527
|
|
|
if (!is_array($value)) { |
528
|
|
|
throw new Exception\InvalidArgument($attribute.' must be an array'); |
529
|
|
|
} |
530
|
|
|
|
531
|
|
|
$attributes['filter'] = json_encode($value); |
532
|
|
|
|
533
|
|
|
break; |
534
|
|
|
case 'destroy': |
535
|
|
|
if (!Helper::isValidTimestamp($value)) { |
536
|
|
|
throw new Exception\InvalidArgument($attribute.' timestamp must be valid unix timestamp'); |
537
|
|
|
} |
538
|
|
|
$attributes[$attribute] = new UTCDateTime($value.'000'); |
539
|
|
|
|
540
|
|
|
break; |
541
|
|
|
case 'changed': |
542
|
|
|
case 'created': |
543
|
|
|
if (!Helper::isValidTimestamp($value)) { |
544
|
|
|
throw new Exception\InvalidArgument($attribute.' timestamp must be valid unix timestamp'); |
545
|
|
|
} |
546
|
|
|
if ((int) $value > time()) { |
547
|
|
|
throw new Exception\InvalidArgument($attribute.' timestamp can not be set greater than the server time'); |
548
|
|
|
} |
549
|
|
|
$attributes[$attribute] = new UTCDateTime($value.'000'); |
550
|
|
|
|
551
|
|
|
break; |
552
|
|
|
case 'readonly': |
553
|
|
|
$attributes['readonly'] = (bool) $attributes['readonly']; |
554
|
|
|
|
555
|
|
|
break; |
556
|
|
|
} |
557
|
|
|
} |
558
|
|
|
|
559
|
|
|
return $attributes; |
560
|
|
|
} |
561
|
|
|
} |
562
|
|
|
|
Let’s assume that you have a directory layout like this:
and let’s assume the following content of
Bar.php
:If both files
OtherDir/Foo.php
andSomeDir/Foo.php
are loaded in the same runtime, you will see a PHP error such as the following:PHP Fatal error: Cannot use SomeDir\Foo as Foo because the name is already in use in OtherDir/Foo.php
However, as
OtherDir/Foo.php
does not necessarily have to be loaded and the error is only triggered if it is loaded beforeOtherDir/Bar.php
, this problem might go unnoticed for a while. In order to prevent this error from surfacing, you must import the namespace with a different alias: