From 72124632e6045cca3a516b6dd45a945a89db3432 Mon Sep 17 00:00:00 2001
From: tamplan <tamplan@free.fr>
Date: Sun, 29 Jan 2012 15:59:49 +0100
Subject: [PATCH] Download movies and/or episodes works now

---
 application/controllers/files.php             |  64 ++++++++++
 application/helpers/my_download_helper.php    | 120 ++++++++++++++++++
 application/models/video/episodes_model.php   |  39 +++---
 application/models/video/movies_model.php     |   2 +-
 .../views/content/video/episodes/view.php     |   5 +
 .../views/content/video/movies/view.php       |   5 +
 .../views/includes/buttons/download.php       |   5 +-
 assets/scripts/download.js                    |   9 ++
 8 files changed, 230 insertions(+), 19 deletions(-)
 create mode 100644 application/controllers/files.php
 create mode 100644 application/helpers/my_download_helper.php
 create mode 100644 assets/scripts/download.js

diff --git a/application/controllers/files.php b/application/controllers/files.php
new file mode 100644
index 0000000..a3225b9
--- /dev/null
+++ b/application/controllers/files.php
@@ -0,0 +1,64 @@
+<?php
+
+class Files extends CI_Controller
+{
+
+  public function __construct()
+  {
+    parent::__construct();
+
+    // Chargement des modèles de la base de données 'xbmc_video'
+    $this->load->model('video/actors_model');
+    $this->load->model('video/countries_model');
+    $this->load->model('video/episodes_model');
+    $this->load->model('video/video_files_model');
+    $this->load->model('video/genres_model');
+    $this->load->model('video/movies_model');
+    $this->load->model('video/video_paths_model');
+    $this->load->model('xbmc/sources_model');
+    $this->load->model('video/sets_model');
+    $this->load->model('video/studios_model');
+    $this->load->model('video/tvshows_model');
+  }
+
+  /**
+   * Demande à télécharger un film ou un épisode
+   */
+  public function ajax_download()
+  {
+		// L'utilisateur connecté peut télécharger des vidéos ?
+		if ($this->session->userdata('can_download_video'))
+		{
+      // Champ concerné par la modification
+      list($type, $id) = explode('_', $this->uri->segments[3]);
+
+			switch($type)
+			{
+				case 'movie':
+					$files = $this->movies_model->get($id, FALSE);
+					$filename = $files[0]->filename;
+					$path = str_replace($files[0]->source->client_path, $files[0]->source->server_path, $files[0]->path);
+					break;
+
+				case 'episode':
+					$files = $this->episodes_model->get($id, FALSE);
+					$filename = $files[0]->filename;
+					$path = str_replace($files[0]->source->client_path, $files[0]->source->server_path, $files[0]->path);
+					break;
+			}
+
+			// Chargement de la focntion 'force_download'
+			$this->load->helper('MY_download');
+
+			// Force le téléchargement du fichier
+			force_download($filename, $path.$filename);
+		}
+
+		// Sortie avec téléchargement de fichier ou pas
+		die();
+  }
+
+}
+
+/* End of file files.php */
+/* Location: ./system/application/controllers/files.php */
diff --git a/application/helpers/my_download_helper.php b/application/helpers/my_download_helper.php
new file mode 100644
index 0000000..3a1761e
--- /dev/null
+++ b/application/helpers/my_download_helper.php
@@ -0,0 +1,120 @@
+<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+/**
+ * Force Download
+ *
+ * Generates headers that force a download to happen
+ *
+ * @access    public
+ * @param    string    filename
+ * @param    mixed    the data to be downloaded
+ * @return    void
+ */
+if ( ! function_exists('force_download'))
+{
+    function force_download($filename = '', $file = '')
+    {
+        if ($filename == '' OR $file == '')
+        {
+            return FALSE;
+        }
+
+        // Try to determine if the filename includes a file extension.
+        // We need it in order to set the MIME type
+        if (FALSE === strpos($filename, '.'))
+        {
+            return FALSE;
+        }
+
+        // Grab the file extension
+        $x = explode('.', $filename);
+        $extension = end($x);
+
+        // Load the mime types
+        @include(APPPATH.'config/mimes'.EXT);
+
+        // Set a default mime if we can't find it
+        if ( ! isset($mimes[$extension]))
+        {
+            $mime = 'application/octet-stream';
+        }
+        else
+        {
+            $mime = (is_array($mimes[$extension])) ? $mimes[$extension][0] : $mimes[$extension];
+        }
+
+        // Generate the server headers
+        if (strpos($_SERVER['HTTP_USER_AGENT'], "MSIE") !== FALSE)
+        {
+            header('Content-Type: "'.$mime.'"');
+            header('Content-Disposition: attachment; filename="'.$filename.'"');
+            header('Expires: 0');
+            header('Cache-Control: must-revalidate, post-check=0, pre-check=0');
+            header("Content-Transfer-Encoding: binary");
+            header('Pragma: public');
+            header("Content-Length: ".filesize($file));
+        }
+        else
+        {
+            header('Content-Type: "'.$mime.'"');
+            header('Content-Disposition: attachment; filename="'.$filename.'"');
+            header("Content-Transfer-Encoding: binary");
+            header('Expires: 0');
+            header('Pragma: no-cache');
+            header("Content-Length: ".filesize($file));
+        }
+
+        readfile_chunked($file);
+        die;
+    }
+}
+
+/**
+ * readfile_chunked
+ *
+ * Reads file in chunks so big downloads are possible without changing PHP.INI
+ *
+ * @access    public
+ * @param    string    file
+ * @param    boolean    return bytes of file
+ * @return    void
+ */
+if ( ! function_exists('readfile_chunked'))
+{
+    function readfile_chunked($file, $retbytes=TRUE)
+    {
+       $chunksize = 1 * (1024 * 1024);
+       $buffer = '';
+       $cnt =0;
+
+       $handle = fopen($file, 'r');
+       if ($handle === FALSE)
+       {
+           return FALSE;
+       }
+
+       while (!feof($handle))
+       {
+           $buffer = fread($handle, $chunksize);
+           echo $buffer;
+           ob_flush();
+           flush();
+
+           if ($retbytes)
+           {
+               $cnt += strlen($buffer);
+           }
+       }
+
+       $status = fclose($handle);
+
+       if ($retbytes AND $status)
+       {
+           return $cnt;
+       }
+
+       return $status;
+    }
+}
+
+/* End of file MY_download_helper.php */
+/* Location: ./application/helpers/MY_download_helper.php */
\ No newline at end of file
diff --git a/application/models/video/episodes_model.php b/application/models/video/episodes_model.php
index e46f844..e0e495c 100644
--- a/application/models/video/episodes_model.php
+++ b/application/models/video/episodes_model.php
@@ -84,11 +84,14 @@ function get_ids($tvshow_id, $season_number, $episode_number = 0)
    * Retourne un épisode d'une série tv dont on précise l'identifiant
    * On précise l'identifiant de l'épisode ou un tableau d'identifiant
    *
+   * Permet d'avoir plus de données si $for_view vaut TRUE
+   *
    * @access public
-   * @param integer
-   * @return object
+   * @param integer or array
+   * @param boolean
+   * @return array
    */
-  function get($episode_id)
+  function get($idEpisode, $for_view = TRUE)
   {
     // Liste et noms des champs à récupérer
     $fields[] = 'idEpisode';
@@ -110,14 +113,14 @@ function get($episode_id)
     $fields = implode(', ', $fields);
 
     // Est-ce un tableau d'identifiants ?
-    if (is_array($episode_id))
+    if (is_array($idEpisode))
     {
       $results = $this->{$this->_db_group_name}->select($fields)
                                                ->from('episodeview')
                                                ->order_by('idShow', 'ASC')
                                                ->order_by('season_number', 'ASC')
                                                ->order_by('episode_number', 'ASC')
-                                               ->where_in('idEpisode', $episode_id)
+                                               ->where_in('idEpisode', $idEpisode)
                                                ->get()
                                                ->result();
     }
@@ -125,7 +128,7 @@ function get($episode_id)
     {
       $results = $this->{$this->_db_group_name}->select($fields)
                                                ->from('episodeview')
-                                               ->where('idEpisode', $episode_id)
+                                               ->where('idEpisode', $idEpisode)
                                                ->get()
                                                ->result();
     }
@@ -178,17 +181,21 @@ function get($episode_id)
         else
             $episode->runtime = $this->lang->line('media_no_runtime');
 
-        $episode->poster_url = $result->poster_url;
-        $episode->tvshow_id = $result->idShow;
-        $episode->tvshow_name = $result->strTitle;
-        $episode->season_number = $result->season_number;
-        $episode->episode_number = $result->episode_number;
+				// Consulation de la page détaillée d'un épisode ?
+				if ($for_view)
+				{
+					$episode->poster_url = $result->poster_url;
+					$episode->tvshow_id = $result->idShow;
+					$episode->tvshow_name = $result->strTitle;
+					$episode->season_number = $result->season_number;
+					$episode->episode_number = $result->episode_number;
 
-        $episode->poster = $this->xbmc_lib->get_episode_poster($episode);
+					$episode->poster = $this->xbmc_lib->get_episode_poster($episode);
 
-        $episode->writers = $this->_CI->actors_model->get_writers_for_episode($episode->id);
-        $episode->directors = $this->_CI->actors_model->get_directors_for_episode($episode->id);
-        $episode->actors = $this->_CI->actors_model->get_actors_for_episode($episode->id);
+					$episode->writers = $this->_CI->actors_model->get_writers_for_episode($episode->id);
+					$episode->directors = $this->_CI->actors_model->get_directors_for_episode($episode->id);
+					$episode->actors = $this->_CI->actors_model->get_actors_for_episode($episode->id);
+				}
 
         // Ajoût de l'épisode dans un tableau pour retour
         $episodes[] = $episode;
@@ -199,7 +206,7 @@ function get($episode_id)
       $episodes = array();
     }
 
-    // On retourne le(s) film(s) trouvé(s) ou NULL
+    // On retourne le ou les épisode(s) trouvé(s) ou un tableau vide
     return $episodes;
   }
 
diff --git a/application/models/video/movies_model.php b/application/models/video/movies_model.php
index 5e47084..12aa32c 100644
--- a/application/models/video/movies_model.php
+++ b/application/models/video/movies_model.php
@@ -804,7 +804,7 @@ function get_all($limit = NULL, $offset = NULL)
       }
 
       // On récupère enfin les films
-      $movies = $this->movies_model->get($idsMovie);
+      $movies = $this->get($idsMovie);
     }
     else
     {
diff --git a/application/views/content/video/episodes/view.php b/application/views/content/video/episodes/view.php
index e98c977..1747e18 100644
--- a/application/views/content/video/episodes/view.php
+++ b/application/views/content/video/episodes/view.php
@@ -1,6 +1,7 @@
 <script type="text/javascript">
 <!--
 tvshow_id = <?php echo $episode->tvshow_id; ?>;
+media_id = 'episode_<?php echo $episode->id; ?>';
 //-->
 </script>
 <script src="<?php echo base_url(); ?>assets/scripts/tabs.js" language="javascript" type="text/javascript"></script>
@@ -9,6 +10,10 @@
 <script src="<?php echo base_url(); ?>assets/scripts/episodes_infos.js" language="javascript" type="text/javascript"></script>
 <?php endif; ?>
 
+<?php if ($this->session->userdata('can_download_video')): ?>
+<script src="<?php echo base_url(); ?>assets/scripts/download.js" language="javascript" type="text/javascript"></script>
+<?php endif; ?>
+
 <div id="main">
   <div class="block">
     <div class="secondary-navigation">
diff --git a/application/views/content/video/movies/view.php b/application/views/content/video/movies/view.php
index 5bbad49..e812c24 100644
--- a/application/views/content/video/movies/view.php
+++ b/application/views/content/video/movies/view.php
@@ -9,6 +9,7 @@
 <script type="text/javascript">
 <!--
 movie_id = <?php echo $movie->id; ?>;
+media_id = 'movie_<?php echo $movie->id; ?>';
 poster_filename = '<?php echo $movie->poster->filename; ?>';
 backdrop_filename = '<?php echo $movie->backdrop->filename; ?>';
 //-->
@@ -23,6 +24,10 @@
 <script src="<?php echo base_url(); ?>assets/scripts/images.js" language="javascript" type="text/javascript"></script>
 <?php endif; ?>
 
+<?php if ($this->session->userdata('can_download_video')): ?>
+<script src="<?php echo base_url(); ?>assets/scripts/download.js" language="javascript" type="text/javascript"></script>
+<?php endif; ?>
+
 <?php
 if ($this->session->userdata('can_change_images'))
 {
diff --git a/application/views/includes/buttons/download.php b/application/views/includes/buttons/download.php
index 579cff4..497f660 100644
--- a/application/views/includes/buttons/download.php
+++ b/application/views/includes/buttons/download.php
@@ -1,3 +1,4 @@
 <button id="download-button" class="button" type="button">
-  <img src="<?php echo base_url(); ?>assets/gui/download.png" /> <?php echo $this->lang->line('btn_download'); ?>
-</button>
\ No newline at end of file
+	<img src="<?php echo base_url(); ?>assets/gui/download.png" /> <?php echo $this->lang->line('btn_download'); ?>
+</button>
+<iframe id="download_frame" name="uploadFrame" src="#" style="display:none;"></iframe>
\ No newline at end of file
diff --git a/assets/scripts/download.js b/assets/scripts/download.js
new file mode 100644
index 0000000..f4ba556
--- /dev/null
+++ b/assets/scripts/download.js
@@ -0,0 +1,9 @@
+jQuery(document).ready(function() {
+
+  // Attache le téléchargement d'un film ou d'un épisode
+  $("#download-button").click(function(){
+		$("#download_frame").attr("src",site_url+"files/download/"+media_id);
+		return false;
+  });
+
+});