<?php
/**
 * @copyright Copyright (c) 2016, ownCloud, Inc.
 *
 * @author Bernhard Reiter <ockham@raz.or.at>
 * @author Christoph Wurst <christoph@winzerhof-wurst.at>
 * @author Roeland Jago Douma <roeland@famdouma.nl>
 *
 * @license AGPL-3.0
 *
 * This code is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License, version 3,
 * as published by the Free Software Foundation.
 *
 * 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, version 3,
 * along with this program. If not, see <http://www.gnu.org/licenses/>
 *
 */
namespace OC\Tagging;

use OCP\AppFramework\Db\Entity;

/**
 * Class to represent a tag.
 *
 * @method string getOwner()
 * @method void setOwner(string $owner)
 * @method string getType()
 * @method void setType(string $type)
 * @method string getName()
 * @method void setName(string $name)
 */
class Tag extends Entity {
	protected $owner;
	protected $type;
	protected $name;

	/**
	 * Constructor.
	 *
	 * @param string $owner The tag's owner
	 * @param string $type The type of item this tag is used for
	 * @param string $name The tag's name
	 */
	public function __construct($owner = null, $type = null, $name = null) {
		$this->setOwner($owner);
		$this->setType($type);
		$this->setName($name);
	}

	/**
	 * Transform a database columnname to a property
	 *
	 * @param string $columnName the name of the column
	 * @return string the property name
	 * @todo migrate existing database columns to the correct names
	 * to be able to drop this direct mapping
	 */
	public function columnToProperty($columnName) {
		if ($columnName === 'category') {
			return 'name';
		} elseif ($columnName === 'uid') {
			return 'owner';
		} else {
			return parent::columnToProperty($columnName);
		}
	}

	/**
	 * Transform a property to a database column name
	 *
	 * @param string $property the name of the property
	 * @return string the column name
	 */
	public function propertyToColumn($property) {
		if ($property === 'name') {
			return 'category';
		} elseif ($property === 'owner') {
			return 'uid';
		} else {
			return parent::propertyToColumn($property);
		}
	}
}
