implement MediaAgent for displaying media

agents/intermediate/MediaAgent.inc

@@ -0,0 +1,35 @@
+<?php
+
+	/**
+	 * The Legend of Z
+	 *
+	 * @author	Oliver Hanraths <oliver.hanraths@uni-duesseldorf.de>
+	 * @copyright	2014 Heinrich-Heine-Universität Düsseldorf
+	 * @license	http://www.gnu.org/licenses/gpl.html
+	 * @link	https://bitbucket.org/coderkun/the-legend-of-z
+	 */
+	
+	namespace hhu\z\agents\intermediate;
+	
+	
+	/**
+	 * Agent to process and show media.
+	 * 
+	 * @author	Oliver Hanraths <oliver.hanraths@uni-duesseldorf.de>
+	 */
+	class MediaAgent extends \nre\agents\IntermediateAgent
+	{
+		
+		
+		
+		
+		/**
+		 * Action: index.
+		 */
+		public function index(\nre\core\Request $request, \nre\core\Response $response)
+		{
+		}
+		
+	}
+
+?>

controllers/MediaController.inc

@@ -0,0 +1,72 @@
+<?php
+
+	/**
+	 * The Legend of Z
+	 *
+	 * @author	Oliver Hanraths <oliver.hanraths@uni-duesseldorf.de>
+	 * @copyright	2014 Heinrich-Heine-Universität Düsseldorf
+	 * @license	http://www.gnu.org/licenses/gpl.html
+	 * @link	https://bitbucket.org/coderkun/the-legend-of-z
+	 */
+	
+	namespace hhu\z\controllers;
+	
+	
+	/**
+	 * Controller of the MediaAgent to process and show Media.
+	 * 
+	 * @author	Oliver Hanraths <oliver.hanraths@uni-duesseldorf.de>
+	 */
+	class MediaController extends \hhu\z\controllers\SeminaryRoleController
+	{
+		/**
+		 * User permissions
+		 * 
+		 * @var array
+		 */
+		public $permissions = array(
+			'quest' => array('admin', 'moderator', 'user')
+		);
+		/**
+		 * User seminary permissions
+		 * 
+		 * @var array
+		 */
+		public $seminaryPermissions = array(
+			'quest' => array('admin', 'moderator', 'user')
+		);
+		/**
+		 * Required models
+		 * 
+		 * @var array
+		 */
+		public $models = array('seminaries', 'media');
+		
+		
+		
+		
+		/**
+		 * TODO Action: index.
+		 */
+		public function index($seminaryUrl, $mediaUrl)
+		{
+			// Get Seminary
+			$seminary = $this->Seminaries->getSeminaryByUrl($seminaryUrl);
+			
+			// Get Media
+			$media = $this->Media->getMediaByUrl($seminary['id'], $mediaUrl);
+			
+			// Set content-type
+			$this->response->addHeader("Content-type: ".$media['mimetype']."");
+			
+			// Set filename
+			$media['filename'] = ROOT.DS.'media'.DS.$media['id'];
+			
+			
+			// Pass data to view
+			$this->set('media', $media);
+		}
+		
+	}
+
+?>

models/MediaModel.inc

@@ -0,0 +1,90 @@
+<?php
+
+	/**
+	 * The Legend of Z
+	 *
+	 * @author	Oliver Hanraths <oliver.hanraths@uni-duesseldorf.de>
+	 * @copyright	2014 Heinrich-Heine-Universität Düsseldorf
+	 * @license	http://www.gnu.org/licenses/gpl.html
+	 * @link	https://bitbucket.org/coderkun/the-legend-of-z
+	 */
+	
+	namespace hhu\z\models;
+	
+	
+	/**
+	 * Model to interact with the Media-tables.
+	 * 
+	 * @author	Oliver Hanraths <oliver.hanraths@uni-duesseldorf.de>
+	 */
+	class MediaModel extends \hhu\z\Model
+	{
+		
+		
+		
+		
+		/**
+		 * Construct a new MediaModel.
+		 */
+		public function __construct()
+		{
+			parent::__construct();
+		}
+		
+		
+		
+		
+		/**
+		 * Get a Medium by its URL.
+		 * 
+		 * @throws	IdNotFoundException
+		 * @param	int	$seminaryId	ID of the seminary
+		 * @param	string	$mediaURL	URL-name of the Medium
+		 * @return	array			Medium data
+		 */
+		public function getMediaByUrl($seminaryId, $mediaUrl)
+		{
+			$data = $this->db->query(
+				'SELECT id, name, url, description, mimetype '.
+				'FROM media '.
+				'WHERE media.url = ?',
+				's',
+				$mediaUrl
+			);
+			if(empty($data)) {
+				throw new \nre\exceptions\IdNotFoundException($mediaUrl);
+			}
+			
+			
+			return $data[0];
+		}
+		
+		
+		/**
+		 * Get a Medium by its ID.
+		 * 
+		 * @throws	IdNotFoundException
+		 * @param	int	$seminaryId	ID of the seminary
+		 * @param	int	$mediaId	ID of the Medium
+		 * @return	array			Medium data
+		 */
+		public function getMediaById($mediaId)
+		{
+			$data = $this->db->query(
+				'SELECT id, name, url, description, mimetype '.
+				'FROM media '.
+				'WHERE media.id = ?',
+				'i',
+				$mediaId
+			);
+			if(empty($data)) {
+				throw new \nre\exceptions\IdNotFoundException($mediaId);
+			}
+			
+			
+			return $data[0];
+		}
+		
+	}
+
+?>

views/binary/media/index.tpl

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+<?=file_get_contents($media['filename'])?>