80 lines
2.3 KiB
PHP
80 lines
2.3 KiB
PHP
<?php
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/**
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* @copyright Copyright (c) 2016, ownCloud, Inc.
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*
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* @author Bernhard Posselt <dev@bernhard-posselt.com>
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* @author Bernhard Reiter <ockham@raz.or.at>
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* @author Morris Jobke <hey@morrisjobke.de>
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*
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* @license AGPL-3.0
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*
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* This code 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, version 3,
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* as published by the Free Software Foundation.
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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, version 3,
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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\Tagging;
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use \OCP\AppFramework\Db\Mapper,
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\OCP\AppFramework\Db\DoesNotExistException,
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\OCP\IDBConnection;
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/**
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* Mapper for Tag entity
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*/
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class TagMapper extends Mapper {
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/**
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* Constructor.
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*
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* @param IDBConnection $db Instance of the Db abstraction layer.
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*/
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public function __construct(IDBConnection $db) {
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parent::__construct($db, 'vcategory', Tag::class);
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}
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/**
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* Load tags from the database.
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*
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* @param array|string $owners The user(s) whose tags we are going to load.
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* @param string $type The type of item for which we are loading tags.
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* @return array An array of Tag objects.
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*/
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public function loadTags($owners, $type) {
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if(!is_array($owners)) {
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$owners = array($owners);
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}
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$sql = 'SELECT `id`, `uid`, `type`, `category` FROM `' . $this->getTableName() . '` '
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. 'WHERE `uid` IN (' . str_repeat('?,', count($owners)-1) . '?) AND `type` = ? ORDER BY `category`';
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return $this->findEntities($sql, array_merge($owners, array($type)));
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}
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/**
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* Check if a given Tag object already exists in the database.
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*
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* @param Tag $tag The tag to look for in the database.
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* @return bool
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*/
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public function tagExists($tag) {
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$sql = 'SELECT `id`, `uid`, `type`, `category` FROM `' . $this->getTableName() . '` '
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. 'WHERE `uid` = ? AND `type` = ? AND `category` = ?';
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try {
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$this->findEntity($sql, array($tag->getOwner(), $tag->getType(), $tag->getName()));
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} catch (DoesNotExistException $e) {
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return false;
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}
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return true;
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}
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}
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