<?php
/**
 * Copyright 2009, 2010 AEGEE-Europe
 *
 * This file is part of AEGEE-Europe Online Membership System.
 *
 * AEGEE-Europe Online Membership System is free software: you can
 * redistribute it and/or modify it under the terms of the GNU General
 * Public License as published by the Free Software Foundation, either
 * version 3 of the License, or (at your option) any later version.
 *
 * AEGEE-Europe Online Membership System 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with AEGEE-Europe Online Membership System.  If not, see
 * <http://www.gnu.org/licenses/>.
 */

/**
 * Theme Service. This class provides functionality to
 * handle themes
 */

require_once(FILESYSTEMROOTPATH."events/include/dao/ThemeDao.php");

class ThemeService {
	private $themeDao;

	/**
	 * Default constructor
	 *
	 * @param ThemeDao
	 */
	public function __construct(ThemeDao $themeDao) {
		$this->themeDao = $themeDao;
	}

	/**
	 * Load a theme by id
	 *
	 * @param string id of the theme to be loaded
	 * @return Theme containing the data of the requested theme, or NULL in case theme does not exist
	 */
	public function load($id) {
		$theme = $this->themeDao->load($id);
		$ret = array ("id" => $theme->getId(),
								"name" => $theme->getName(),
							"active" => $theme->getActive(),
				 "description" => $theme->getDescription());
		return $ret;
	}

	/**
	 * Load all Themes
	 *
	 * @return array of Theme
	 */
	public function loadAll() {
		$ret = array();
		$themes = $this->themeDao->loadAll();
		foreach( $themes as $theme ) {
			$ret[ $theme->getId() ] = array ("id" => $theme->getId(),
																						"name" => $theme->getName(),
																					"active" => $theme->getActive(),
																		 "description" => $theme->getDescription());
		}
		return $ret;
	}

	/**
	 * Load all Active Themes
	 *
	 * @return array of Theme
	 */
	public function loadActive() {
		$ret = array();
		$themes = $this->themeDao->loadActive();
		foreach( $themes as $theme ) {
			$ret[ $theme->getId() ] = array ("id" => $theme->getId(),
																						"name" => $theme->getName(),
																					"active" => $theme->getActive(),
																		 "description" => $theme->getDescription());
		}
		return $ret;
	}


	/**
	 * Save or update a theme
	 *
	 * @param Theme object with the theme data
	 * @return boolean true in case of success, false otherwise
	 */
	public function saveOrUpdate(IModel $theme) {
		return $this->themeDao->saveOrUpdate($theme);
	}
}