Basic implementation of resource and collection handling
Signed-off-by: Joas Schilling <coding@schilljs.com>
This commit is contained in:
parent
49b104f3df
commit
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<?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\Core\Migrations;
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use Closure;
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use Doctrine\DBAL\Types\Type;
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use OCP\DB\ISchemaWrapper;
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use OCP\Migration\SimpleMigrationStep;
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use OCP\Migration\IOutput;
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class Version15000Date20180917092725 extends SimpleMigrationStep {
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/**
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* @param IOutput $output
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* @param Closure $schemaClosure The `\Closure` returns a `ISchemaWrapper`
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* @param array $options
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* @return null|ISchemaWrapper
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*/
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public function changeSchema(IOutput $output, Closure $schemaClosure, array $options) {
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/** @var ISchemaWrapper $schema */
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$schema = $schemaClosure();
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if (!$schema->hasTable('collres_collections')) {
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$table = $schema->createTable('collres_collections');
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$table->addColumn('id', Type::BIGINT, [
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'autoincrement' => true,
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'notnull' => true,
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]);
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$table->setPrimaryKey(['id']);
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}
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if (!$schema->hasTable('collres_resources')) {
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$table = $schema->createTable('collres_resources');
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$table->addColumn('collection_id', Type::BIGINT, [
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'notnull' => true,
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]);
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$table->addColumn('resource_type', Type::STRING, [
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'notnull' => true,
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'length' => 64,
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]);
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$table->addColumn('resource_id', Type::STRING, [
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'notnull' => true,
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'length' => 64,
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]);
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$table->addUniqueIndex(['collection_id', 'resource_type', 'resource_id'], 'collres_unique_res');
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}
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return $schema;
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}
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}
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<?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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class Collection implements ICollection {
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/** @var IManager */
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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 IResource[] */
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protected $resources;
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public function __construct(IManager $manager, IDBConnection $connection, int $id) {
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$this->manager = $manager;
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$this->connection = $connection;
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$this->id = $id;
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$this->resources = [];
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}
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/**
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* @return IResource[]
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* @since 15.0.0
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*/
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public function getResources(): array {
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if (empty($this->resources)) {
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$query = $this->connection->getQueryBuilder();
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$query->select('resource_type', 'resource_id')
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->from('collres_resources')
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->where($query->expr()->eq('collection_id', $query->createNamedParameter($this->id, IQueryBuilder::PARAM_INT)));
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$result = $query->execute();
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while ($row = $result->fetch()) {
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$this->resources[] = $this->manager->getResource($row['resource_type'], $row['resource_id']);
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}
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$result->closeCursor();
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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 15.0.0
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*/
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public function addResource(IResource $resource) {
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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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}, $this->resources);
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$this->resources[] = $resource;
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if ($this->id === 0) {
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$this->makeCollectionPersistent();
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}
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$query = $this->connection->getQueryBuilder();
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$query->insert('collres_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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}
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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 15.0.0
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*/
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public function removeResource(IResource $resource) {
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$this->resources = array_filter($this->resources, 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('collres_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->makeCollectionUnsteady();
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}
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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() === $resource2->getId();
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}
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protected function makeCollectionPersistent() {
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$query = $this->connection->getQueryBuilder();
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$query->insert('collres_collections');
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$query->execute();
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$this->id = $query->getLastInsertId();
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}
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protected function makeCollectionUnsteady() {
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$query = $this->connection->getQueryBuilder();
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$query->delete('collres_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->id = 0;
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}
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}
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@ -0,0 +1,58 @@
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<?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 OCP\Collaboration\Resources\ICollection;
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use OCP\Collaboration\Resources\IManager;
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use OCP\Collaboration\Resources\IResource;
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use OCP\IDBConnection;
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class Manager implements IManager {
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/** @var IDBConnection */
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protected $connection;
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public function __construct(IDBConnection $connection) {
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$this->connection = $connection;
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}
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/**
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* @param int $id
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* @return ICollection
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* @since 15.0.0
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*/
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public function getCollection(int $id): ICollection {
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return new Collection($this, $this->connection, $id);
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}
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/**
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* @param string $type
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* @param string $id
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* @return IResource
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* @since 15.0.0
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*/
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public function getResource(string $type, string $id): IResource {
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return new Resource($this, $this->connection, $type, $id);
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}
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}
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<?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
|
||||||
|
* it under the terms of the GNU Affero General Public License as
|
||||||
|
* published by the Free Software Foundation, either version 3 of the
|
||||||
|
* License, or (at your option) any later version.
|
||||||
|
*
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||||||
|
* This program is distributed in the hope that it will be useful,
|
||||||
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||||
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||||
|
* GNU Affero General Public License for more details.
|
||||||
|
*
|
||||||
|
* You should have received a copy of the GNU Affero General Public License
|
||||||
|
* 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 OCP\Collaboration\Resources\ICollection;
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use OCP\Collaboration\Resources\IManager;
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use OCP\Collaboration\Resources\IResource;
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use OCP\IDBConnection;
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class Resource implements IResource {
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/** @var IManager */
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protected $manager;
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/** @var IDBConnection */
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protected $connection;
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/** @var string */
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protected $type;
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/** @var string */
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protected $id;
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public function __construct(IManager $manager, IDBConnection $connection, string $type, string $id) {
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$this->manager = $manager;
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$this->connection = $connection;
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$this->type = $type;
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$this->id = $id;
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}
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/**
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* @return string
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* @since 15.0.0
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*/
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public function getType(): string {
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return $this->type;
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}
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/**
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* @return string
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* @since 15.0.0
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*/
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public function getId(): string {
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return $this->id;
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}
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/**
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* @param IResource $resource
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* @return ICollection[]
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* @since 15.0.0
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*/
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public function getCollections(IResource $resource): array {
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$collections = [];
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|
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$query = $this->connection->getQueryBuilder();
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$query->select('collection_id')
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->from('collres_resources')
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->where($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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$result = $query->execute();
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while ($row = $result->fetch()) {
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$collections[] = $this->manager->getCollection((int) $row['collection_id']);
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}
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$result->closeCursor();
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return $collections;
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}
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}
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@ -0,0 +1,52 @@
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<?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>
|
||||||
|
*
|
||||||
|
* @license GNU AGPL version 3 or any later version
|
||||||
|
*
|
||||||
|
* This program is free software: you can redistribute it and/or modify
|
||||||
|
* it under the terms of the GNU Affero General Public License as
|
||||||
|
* published by the Free Software Foundation, either version 3 of the
|
||||||
|
* License, or (at your option) any later version.
|
||||||
|
*
|
||||||
|
* This program is distributed in the hope that it will be useful,
|
||||||
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||||
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||||
|
* GNU Affero General Public License for more details.
|
||||||
|
*
|
||||||
|
* You should have received a copy of the GNU Affero General Public License
|
||||||
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||||||
|
*
|
||||||
|
*/
|
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|
|
||||||
|
namespace OCP\Collaboration\Resources;
|
||||||
|
|
||||||
|
/**
|
||||||
|
* @since 15.0.0
|
||||||
|
*/
|
||||||
|
interface ICollection {
|
||||||
|
|
||||||
|
/**
|
||||||
|
* @return IResource[]
|
||||||
|
* @since 15.0.0
|
||||||
|
*/
|
||||||
|
public function getResources(): array;
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Adds a resource to a collection
|
||||||
|
*
|
||||||
|
* @param IResource $resource
|
||||||
|
* @throws ResourceException when the resource is already part of the collection
|
||||||
|
* @since 15.0.0
|
||||||
|
*/
|
||||||
|
public function addResource(IResource $resource);
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Removes a resource from a collection
|
||||||
|
*
|
||||||
|
* @param IResource $resource
|
||||||
|
* @since 15.0.0
|
||||||
|
*/
|
||||||
|
public function removeResource(IResource $resource);
|
||||||
|
}
|
|
@ -0,0 +1,45 @@
|
||||||
|
<?php
|
||||||
|
declare(strict_types=1);
|
||||||
|
/**
|
||||||
|
* @copyright Copyright (c) 2018 Joas Schilling <coding@schilljs.com>
|
||||||
|
*
|
||||||
|
* @license GNU AGPL version 3 or any later version
|
||||||
|
*
|
||||||
|
* This program is free software: you can redistribute it and/or modify
|
||||||
|
* it under the terms of the GNU Affero General Public License as
|
||||||
|
* published by the Free Software Foundation, either version 3 of the
|
||||||
|
* License, or (at your option) any later version.
|
||||||
|
*
|
||||||
|
* This program is distributed in the hope that it will be useful,
|
||||||
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||||
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||||
|
* GNU Affero General Public License for more details.
|
||||||
|
*
|
||||||
|
* You should have received a copy of the GNU Affero General Public License
|
||||||
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||||||
|
*
|
||||||
|
*/
|
||||||
|
|
||||||
|
namespace OCP\Collaboration\Resources;
|
||||||
|
|
||||||
|
/**
|
||||||
|
* @since 15.0.0
|
||||||
|
*/
|
||||||
|
interface IManager extends IProvider {
|
||||||
|
|
||||||
|
/**
|
||||||
|
* @param int $id
|
||||||
|
* @return ICollection
|
||||||
|
* @since 15.0.0
|
||||||
|
*/
|
||||||
|
public function getCollection(int $id): ICollection;
|
||||||
|
|
||||||
|
/**
|
||||||
|
* @param string $type
|
||||||
|
* @param string $id
|
||||||
|
* @return IResource
|
||||||
|
* @since 15.0.0
|
||||||
|
*/
|
||||||
|
public function getResource(string $type, string $id): IResource;
|
||||||
|
|
||||||
|
}
|
|
@ -0,0 +1,27 @@
|
||||||
|
<?php
|
||||||
|
/**
|
||||||
|
* @copyright Copyright (c) 2018 Joas Schilling <coding@schilljs.com>
|
||||||
|
*
|
||||||
|
* @license GNU AGPL version 3 or any later version
|
||||||
|
*
|
||||||
|
* This program is free software: you can redistribute it and/or modify
|
||||||
|
* it under the terms of the GNU Affero General Public License as
|
||||||
|
* published by the Free Software Foundation, either version 3 of the
|
||||||
|
* License, or (at your option) any later version.
|
||||||
|
*
|
||||||
|
* This program is distributed in the hope that it will be useful,
|
||||||
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||||
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||||
|
* GNU Affero General Public License for more details.
|
||||||
|
*
|
||||||
|
* You should have received a copy of the GNU Affero General Public License
|
||||||
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||||||
|
*
|
||||||
|
*/
|
||||||
|
|
||||||
|
namespace OCP\Collaboration\Resources;
|
||||||
|
|
||||||
|
|
||||||
|
interface IProvider {
|
||||||
|
|
||||||
|
}
|
|
@ -0,0 +1,48 @@
|
||||||
|
<?php
|
||||||
|
declare(strict_types=1);
|
||||||
|
/**
|
||||||
|
* @copyright Copyright (c) 2018 Joas Schilling <coding@schilljs.com>
|
||||||
|
*
|
||||||
|
* @license GNU AGPL version 3 or any later version
|
||||||
|
*
|
||||||
|
* This program is free software: you can redistribute it and/or modify
|
||||||
|
* it under the terms of the GNU Affero General Public License as
|
||||||
|
* published by the Free Software Foundation, either version 3 of the
|
||||||
|
* License, or (at your option) any later version.
|
||||||
|
*
|
||||||
|
* This program is distributed in the hope that it will be useful,
|
||||||
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||||
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||||
|
* GNU Affero General Public License for more details.
|
||||||
|
*
|
||||||
|
* You should have received a copy of the GNU Affero General Public License
|
||||||
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||||||
|
*
|
||||||
|
*/
|
||||||
|
|
||||||
|
namespace OCP\Collaboration\Resources;
|
||||||
|
|
||||||
|
/**
|
||||||
|
* @since 15.0.0
|
||||||
|
*/
|
||||||
|
interface IResource {
|
||||||
|
|
||||||
|
/**
|
||||||
|
* @return string
|
||||||
|
* @since 15.0.0
|
||||||
|
*/
|
||||||
|
public function getType(): string;
|
||||||
|
|
||||||
|
/**
|
||||||
|
* @return string
|
||||||
|
* @since 15.0.0
|
||||||
|
*/
|
||||||
|
public function getId(): string;
|
||||||
|
|
||||||
|
/**
|
||||||
|
* @param IResource $resource
|
||||||
|
* @return ICollection[]
|
||||||
|
* @since 15.0.0
|
||||||
|
*/
|
||||||
|
public function getCollections(IResource $resource): array;
|
||||||
|
}
|
|
@ -0,0 +1,27 @@
|
||||||
|
<?php
|
||||||
|
/**
|
||||||
|
* @copyright Copyright (c) 2018 Joas Schilling <coding@schilljs.com>
|
||||||
|
*
|
||||||
|
* @license GNU AGPL version 3 or any later version
|
||||||
|
*
|
||||||
|
* This program is free software: you can redistribute it and/or modify
|
||||||
|
* it under the terms of the GNU Affero General Public License as
|
||||||
|
* published by the Free Software Foundation, either version 3 of the
|
||||||
|
* License, or (at your option) any later version.
|
||||||
|
*
|
||||||
|
* This program is distributed in the hope that it will be useful,
|
||||||
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||||
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||||
|
* GNU Affero General Public License for more details.
|
||||||
|
*
|
||||||
|
* You should have received a copy of the GNU Affero General Public License
|
||||||
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||||||
|
*
|
||||||
|
*/
|
||||||
|
|
||||||
|
namespace OCP\Collaboration\Resources;
|
||||||
|
|
||||||
|
|
||||||
|
class ResourceException extends \RuntimeException {
|
||||||
|
|
||||||
|
}
|
Loading…
Reference in New Issue