<?php

// include the config file
if(!isset($config)) {
	require_once '../util/AlphaConfig.inc';
	$config = AlphaConfig::getInstance();

	require_once $config->get('app.root').'alpha/util/AlphaAutoLoader.inc';
}

/**
 *
 * Controller used to display a printer-friendly version of an article where the title is provided in GET vars
 *
 * @package alpha::controller
 * @since 1.0
 * @author John Collins <dev@alphaframework.org>
 * @version $Id: ViewArticlePrint.php 1624 2012-12-21 12:17:55Z alphadevx $
 * @license http://www.opensource.org/licenses/bsd-license.php The BSD License
 * @copyright Copyright (c) 2012, John Collins (founder of Alpha Framework).
 * All rights reserved.
 *
 * <pre>
 * Redistribution and use in source and binary forms, with or
 * without modification, are permitted provided that the
 * following conditions are met:
 *
 * * Redistributions of source code must retain the above
 *   copyright notice, this list of conditions and the
 *   following disclaimer.
 * * Redistributions in binary form must reproduce the above
 *   copyright notice, this list of conditions and the
 *   following disclaimer in the documentation and/or other
 *   materials provided with the distribution.
 * * Neither the name of the Alpha Framework nor the names
 *   of its contributors may be used to endorse or promote
 *   products derived from this software without specific
 *   prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
 * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 * </pre>
 *
 */
class ViewArticlePrint extends ViewArticle {
	/**
	 * Trace logger
	 *
	 * @var Logger
	 * @since 1.0
	 */
	private static $logger = null;

	/**
	 * Constructor to set up the object
	 *
	 * @since 1.0
	 */
	public function __construct() {
		self::$logger = new Logger('ViewArticlePrint');
		self::$logger->debug('>>__construct()');

		global $config;

		// ensure that the super class constructor is called, indicating the rights group
		parent::__construct('Public');

		self::$logger->debug('<<__construct');
	}

	/**
	 * Handle GET requests
	 *
	 * @param array $params
	 * @since 1.0
	 * @throws ResourceNotFoundException
	 */
	public function doGET($params) {
		self::$logger->debug('>>doGET($params=['.var_export($params, true).'])');

		global $config;

		try {
			// ensure that a title is provided
			if (isset($params['title'])) {
				$title = str_replace($config->get('cms.url.title.separator'), ' ', $params['title']);
			}else{
				throw new IllegalArguementException('Could not load the article as a title was not supplied!');
			}

			$this->BO = new ArticleObject();
			$this->BO->loadByAttribute('title', $title);

			AlphaDAO::disconnect();

		}catch(IllegalArguementException $e) {
			self::$logger->error($e->getMessage());
			throw new ResourceNotFoundException($e->getMessage());
		}catch(BONotFoundException $e) {
			self::$logger->error($e->getMessage());
			throw new ResourceNotFoundException($e->getMessage());
		}

		$this->setTitle($this->BO->get('title'));

		$BOView = AlphaView::getInstance($this->BO);

		// disabling force-frames
		$_GET['no-forceframe'] = true;

		echo AlphaView::displayPageHead($this);

		echo $BOView->markdownView();

		echo AlphaView::displayPageFoot($this);

		self::$logger->debug('<<doGET');
	}

	/**
	 * Handle POST requests
	 *
	 * @param array $params
	 * @since 1.0
	 */
	public function doPOST($params) {
		self::$logger->debug('>>doPOST($params=['.var_export($params, true).'])');

		self::$logger->debug('<<doPOST');
	}

	/**
	 * Injects the print CSS into the page header
	 *
	 * @return string
	 * @since 1.0
	 */
	public function during_displayPageHead_callback() {
		global $config;

		return '<link rel="StyleSheet" type="text/css" href="'.$config->get('app.url').'alpha/css/print.css">';
	}

	/**
	 * Callback used to render footer content, including comments, votes and print/PDF buttons when
	 * enabled to do so.
	 *
	 * @return string
	 * @since 1.0
	 */
	public function before_displayPageFoot_callback() {
		global $config;

		$rating = $this->BO->getArticleScore();
		$votes = $this->BO->getArticleVotes();

		$html = '<p>Article URL: <a href="'.$this->BO->get('URL').'">'.$this->BO->get('URL').'</a><br>';
		$html .= 'Title: '.$this->BO->get('title').'<br>';
		$html .= 'Author: '.$this->BO->get('author').'<br>';
		$html .= $config->get('cms.footer').'</p>';

		return $html;
	}
}

// now build the new controller
if(basename($_SERVER['PHP_SELF']) == 'ViewArticlePrint.php') {
	$controller = new ViewArticlePrint();

	if(!empty($_POST)) {
		$controller->doPOST($_REQUEST);
	}else{
		$controller->doGET($_GET);
	}
}

?>