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228 lines
6.2 KiB
228 lines
6.2 KiB
<?php |
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declare(strict_types=1); |
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/** |
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* @copyright Copyright (c) 2018 Joas Schilling <coding@schilljs.com> |
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* |
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* @license GNU AGPL version 3 or any later version |
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* |
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* This program is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU Affero General Public License as |
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* published by the Free Software Foundation, either version 3 of the |
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* License, or (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU Affero General Public License for more details. |
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* |
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* You should have received a copy of the GNU Affero General Public License |
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* along with this program. If not, see <http://www.gnu.org/licenses/>. |
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* |
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*/ |
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namespace OC\Collaboration\Resources; |
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use Doctrine\DBAL\Exception\ConstraintViolationException; |
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use OCP\Collaboration\Resources\IManager; |
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use OCP\Collaboration\Resources\ResourceException; |
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use OCP\Collaboration\Resources\ICollection; |
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use OCP\Collaboration\Resources\IResource; |
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use OCP\DB\QueryBuilder\IQueryBuilder; |
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use OCP\IDBConnection; |
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use OCP\IUser; |
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class Collection implements ICollection { |
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/** @var IManager|Manager */ |
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protected $manager; |
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/** @var IDBConnection */ |
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protected $connection; |
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/** @var int */ |
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protected $id; |
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/** @var string */ |
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protected $name; |
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/** @var IUser|null */ |
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protected $userForAccess; |
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/** @var bool|null */ |
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protected $access; |
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/** @var IResource[] */ |
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protected $resources; |
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public function __construct( |
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IManager $manager, |
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IDBConnection $connection, |
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int $id, |
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string $name, |
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?IUser $userForAccess = null, |
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?bool $access = null |
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) { |
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$this->manager = $manager; |
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$this->connection = $connection; |
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$this->id = $id; |
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$this->name = $name; |
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$this->userForAccess = $userForAccess; |
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$this->access = $access; |
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$this->resources = []; |
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} |
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/** |
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* @return int |
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* @since 16.0.0 |
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*/ |
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public function getId(): int { |
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return $this->id; |
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} |
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/** |
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* @return string |
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* @since 16.0.0 |
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*/ |
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public function getName(): string { |
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return $this->name; |
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} |
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/** |
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* @param string $name |
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* @since 16.0.0 |
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*/ |
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public function setName(string $name): void { |
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$query = $this->connection->getQueryBuilder(); |
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$query->update(Manager::TABLE_COLLECTIONS) |
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->set('name', $query->createNamedParameter($name)) |
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->where($query->expr()->eq('id', $query->createNamedParameter($this->getId(), IQueryBuilder::PARAM_INT))); |
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$query->execute(); |
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$this->name = $name; |
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} |
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/** |
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* @return IResource[] |
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* @since 16.0.0 |
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*/ |
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public function getResources(): array { |
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if (empty($this->resources)) { |
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$this->resources = $this->manager->getResourcesByCollectionForUser($this, $this->userForAccess); |
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} |
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return $this->resources; |
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} |
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/** |
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* Adds a resource to a collection |
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* |
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* @param IResource $resource |
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* @throws ResourceException when the resource is already part of the collection |
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* @since 16.0.0 |
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*/ |
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public function addResource(IResource $resource): void { |
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array_map(function(IResource $r) use ($resource) { |
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if ($this->isSameResource($r, $resource)) { |
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throw new ResourceException('Already part of the collection'); |
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} |
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}, $this->getResources()); |
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$this->resources[] = $resource; |
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$query = $this->connection->getQueryBuilder(); |
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$query->insert(Manager::TABLE_RESOURCES) |
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->values([ |
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'collection_id' => $query->createNamedParameter($this->id, IQueryBuilder::PARAM_INT), |
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'resource_type' => $query->createNamedParameter($resource->getType()), |
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'resource_id' => $query->createNamedParameter($resource->getId()), |
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]); |
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try { |
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$query->execute(); |
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} catch (ConstraintViolationException $e) { |
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throw new ResourceException('Already part of the collection'); |
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} |
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$this->manager->invalidateAccessCacheForCollection($this); |
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} |
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/** |
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* Removes a resource from a collection |
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* |
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* @param IResource $resource |
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* @since 16.0.0 |
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*/ |
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public function removeResource(IResource $resource): void { |
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$this->resources = array_filter($this->getResources(), function(IResource $r) use ($resource) { |
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return !$this->isSameResource($r, $resource); |
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}); |
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$query = $this->connection->getQueryBuilder(); |
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$query->delete(Manager::TABLE_RESOURCES) |
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->where($query->expr()->eq('collection_id', $query->createNamedParameter($this->id, IQueryBuilder::PARAM_INT))) |
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->andWhere($query->expr()->eq('resource_type', $query->createNamedParameter($resource->getType()))) |
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->andWhere($query->expr()->eq('resource_id', $query->createNamedParameter($resource->getId()))); |
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$query->execute(); |
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if (empty($this->resources)) { |
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$this->removeCollection(); |
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} else { |
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$this->manager->invalidateAccessCacheForCollection($this); |
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} |
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} |
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/** |
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* Can a user/guest access the collection |
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* |
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* @param IUser|null $user |
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* @return bool |
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* @since 16.0.0 |
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*/ |
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public function canAccess(?IUser $user): bool { |
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if ($user instanceof IUser) { |
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return $this->canUserAccess($user); |
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} |
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return $this->canGuestAccess(); |
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} |
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protected function canUserAccess(IUser $user): bool { |
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if (\is_bool($this->access) && $this->userForAccess instanceof IUser && $user->getUID() === $this->userForAccess->getUID()) { |
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return $this->access; |
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} |
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$access = $this->manager->canAccessCollection($this, $user); |
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if ($this->userForAccess instanceof IUser && $user->getUID() === $this->userForAccess->getUID()) { |
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$this->access = $access; |
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} |
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return $access; |
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} |
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protected function canGuestAccess(): bool { |
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if (\is_bool($this->access) && !$this->userForAccess instanceof IUser) { |
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return $this->access; |
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} |
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$access = $this->manager->canAccessCollection($this, null); |
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if (!$this->userForAccess instanceof IUser) { |
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$this->access = $access; |
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} |
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return $access; |
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} |
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protected function isSameResource(IResource $resource1, IResource $resource2): bool { |
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return $resource1->getType() === $resource2->getType() && |
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$resource1->getId() === $resource2->getId(); |
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} |
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protected function removeCollection(): void { |
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$query = $this->connection->getQueryBuilder(); |
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$query->delete(Manager::TABLE_COLLECTIONS) |
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->where($query->expr()->eq('id', $query->createNamedParameter($this->id, IQueryBuilder::PARAM_INT))); |
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$query->execute(); |
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$this->manager->invalidateAccessCacheForCollection($this); |
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$this->id = 0; |
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} |
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}
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