add video types to the latest version

1 files changed, 329 insertions, 0 deletions

diff --git a/types/video_youtube/video_youtube.module b/types/video_youtube/video_youtube.module
new file mode 100644
index 0000000..5d0a509
--- /dev/null
+++ b/types/video_youtube/video_youtube.module
@@ -0,0 +1,329 @@
+<?php
+/**
+ * @file
+ * Enable Youtube support for video module.
+ *
+ * @author Fabio Varesano <fvaresano at yahoo dot it>
+ * porting to Drupal 6
+ * @author Heshan Wanigasooriya <heshan at heidisoft.com><heshanmw@gmail.com>
+ * @todo
+ */
+
+
+// let's include apiclient logic
+module_load_include('inc', 'video', 'includes/apiclient');
+
+/**
+ * Implementation of hook_menu
+*/
+function video_youtube_menu() {
+  $items = array();
+  $maycache=true;
+  if($maycache) {
+    $items['node/add/video/youtube'] = array(
+      'title' => 'Youtube',
+      'access arguments' => array('create video')
+    );
+    
+    $items['admin/settings/video/youtube'] = array(
+      'title' => 'Youtube',
+      'description' => 'Configure various settings of the video Youtube plugin.',
+      'access arguments' => array('administer site configuration'),
+      'page callback' => 'drupal_get_form',
+      'page arguments' => array('video_youtube_admin_settings'),
+      'type' => MENU_NORMAL_ITEM,
+    );
+  }
+
+  return $items;
+}
+
+
+/**
+ * Setting form for video_upload
+*/
+function video_youtube_admin_settings() {
+	$form = array();
+
+  $form['video_youtube_auto_thumbnail'] = array(
+    '#type' => 'checkbox',
+    '#title' => t('Enable auto thumbnailing for youtube videos'),
+    '#default_value' => variable_get('video_youtube_auto_thumbnail', false)
+  );
+  $form['video_youtube_related'] = array(
+    '#type' => 'checkbox',
+    '#title' => t('Enable related videos'),
+    '#default_value' => variable_get('video_youtube_related', false),
+    '#description' => t('If you enable related videos the Youtube player will display a list of related videos once the video completes playing.'),
+  );
+  $form['video_youtube_validation'] = array(
+    '#type' => 'checkbox',
+    '#title' => t('Enable validation'),
+    '#default_value' => variable_get('video_youtube_validation', false),
+    '#description' => t('If you enable validation, on each youtube video submission, you web server will contact Youtube to check that the inserted video is available and embeddable.'),
+  );
+  $form['video_youtube_api_key'] = array(
+    '#type' => 'textfield',
+    '#title' => t('Developer Key'),
+    '#description' => t('Insert here the developer Key. You can get one from <a href="http://www.youtube.com/my_profile_dev">Youtube Development pages</a>.'),
+    '#default_value' =>variable_get('video_youtube_api_key', ''),
+  );
+  // jlampton added: new youtube optional client id
+  $form['video_youtube_client_id'] = array(
+    '#type' => 'textfield',
+    '#title' => t('Client ID'),
+    '#description' => t('Insert here the client ID. You can get one from <a href="http://www.youtube.com/my_profile_dev">Youtube Development pages</a>.'),
+    '#default_value' =>variable_get('video_youtube_client_id', ''),
+  );
+  return system_settings_form($form);
+}
+
+
+/**
+ * Validate settings
+*/
+function video_youtube_admin_settings_validate($form, &$form_state) {
+  if ($form_state['values']['video_youtube_auto_thumbnail']) { // autothumbnailing is active
+    // let's check we have a valid dev key
+    if($form_state['values']['video_youtube_api_key'] == '') {
+      form_set_error('video_youtube_api_key', t('You have to insert a valid Youtube Developer Key for auto thumbnailing to work'));
+    }
+  }
+}
+
+
+/**
+ * Implementation of hook_v_help
+*/
+function video_youtube_v_help() {
+
+  $help = array();
+  $help['youtube']['data'] = '<b><a href="http://www.youtube.com">' . t('YouTube.com support') . '</a></b>';
+  $help['youtube']['children'] = array(t('You can host videos on youtube.com and put them on your site. To do this, after you upload the video on youtube.com enter the video URL.'));
+
+  return $help;
+}
+
+
+/**
+ * Implementation of hook_v_info()
+*/
+function video_youtube_v_info() {
+  $info['youtube'] = array(
+    '#name' => 'Youtube Video',
+    '#description' => t('Post a video available on !link to this website.', array('!link' => l(t('Youtube'), 'http://www.youtube.com'), NULL, NULL, NULL, TRUE)),
+    '#autothumbable' => variable_get('video_youtube_auto_thumbnail', false),
+    '#autoresolution' => true,
+    '#autoplaytime' => true,
+  );
+
+  return $info;
+}
+
+
+/**
+ * Implementation of hook_v_form()
+*/
+function video_youtube_v_form(&$node, &$form) {
+
+  $form['video']['vidfile'] = array(
+    '#type' => 'textfield',
+    '#title' => t('Youtube Video URL'),
+    '#default_value' => $node->vidfile,
+    '#maxlength' => 700,
+    '#required' => TRUE,
+    '#weight' => -20,
+    '#description' => t('Insert the URL to the youtube video. ') . l(t('More information.'), 'video/help', array('fragment' => 'videofile')));
+
+  return $form;
+}
+
+
+/**
+ * implementation of hook_v_validate
+*/
+function video_youtube_v_validate($node) {
+  if(!preg_match("/^http:\/\/([a-z]{2,3}\.)?youtube\.com\/watch\?v=/", $node->vidfile)) {
+    form_set_error('vidfile', t('The Youtube Video URL field must be similar to <em>http://youtube.com/watch?v=IICWFx7sKmw</em>, <em>http://www.youtube.com/watch?v=IICWFx7sKmw</em> or <em>http://it.youtube.com/watch?v=IICWFx7sKmw</em>'));
+  }
+  else if(variable_get('video_youtube_validation', false)){
+    // we have a good URL. Let's check that the video is available on Youtube and that it is embeddable.
+    // the approach used here is to return errors only if Youtube explicitely says "an error has occurred"
+    $id = _video_youtube_get_id($node->vidfile);
+    // jlampton changed the youtube validation url
+    $response = _video_apiclient_youtube_request('gdata.youtube.com/feeds/api/videos', array('video_id' => $id));
+    if(isset($response['ERROR'])) {
+      form_set_error('vidfile', t('The Youtube Video URL validation has failed for some reason. Please check the URL and try again.<br />If the error persists please contact %site_name administrators.', array('%site_name' => variable_get('site_name', 'Drupal'))));
+      if(isset($response['ERROR']['DESCRIPTION'][0])) {
+        drupal_set_message(t('The Youtube validation service reported the following error: %error', array('%error'=>$response['ERROR']['DESCRIPTION'][0])), 'error');
+      }
+    }
+    else if(isset($response['VIDEO_DETAILS']['EMBED_STATUS'][0])
+    && $response['VIDEO_DETAILS']['EMBED_STATUS'][0] != 'ok') {
+      // embedding has been disabled. we let the video pass but we warn the user
+      drupal_set_message(t('The video authors have disabled embedding on Youtube. This means that this video will only be playable directly on Youtube.'));
+    }
+    else { // if youtube did not explicetely said "an error has occurred" we accept the video
+      ;
+    }
+  }
+}
+
+/**
+ * Implementation of hook_v_play
+*/
+function video_youtube_v_play($node) {
+  return theme('video_youtube_play', $node);
+}
+
+
+/** AUTOTHUMBNAILING LOGIC */
+
+define('VIDEO_YOUTUBE_API_INFO', 'http://youtube.com/dev');
+define('VIDEO_YOUTUBE_API_APPLICATION_URL', 'http://www.youtube.com/my_profile_dev');
+define('VIDEO_YOUTUBE_REST_ENDPOINT', 'http://www.youtube.com/api2_rest');
+
+
+/**
+* this is a wrapper for _video_apiclient_request_xml that includes youtube's api key
+*/
+function _video_apiclient_youtube_request($method, $args = array(), $cacheable = TRUE) {
+ $args['dev_id'] = trim(variable_get('video_youtube_api_key', ''));
+ $args['method'] = $method;
+
+ return _video_apiclient_request_xml('youtube', VIDEO_YOUTUBE_REST_ENDPOINT, $args, $cacheable);
+}
+
+/**
+* returns the external url for a thumbnail of a specific video
+*  @param $id
+*    the youtube id of the specific video
+*  @return
+*    a URL pointing to the thumbnail
+*/
+function _video_apiclient_youtube_get_thumbnail_url($id) {
+  $response = _video_apiclient_youtube_request('youtube.videos.get_details', array('video_id' => $id));
+  
+  if(isset($response['THUMBNAIL_URL'][0]) && $response['THUMBNAIL_URL'][0] != '') {
+   return $response['THUMBNAIL_URL'][0];
+  }
+  return false;
+}
+
+
+/**
+ * Implementation of hook_v_auto_thumbnail
+*/
+function video_youtube_v_auto_thumbnail($node) {
+  if (count($_POST)) {
+    if ($_POST['vidfile'] == $node->vidfile) {
+      _video_image_thumbnail_debug(t('No new video to thumbnail'));
+      return NULL;
+    }
+    if ($_POST['tempimage']['fids']['_original']) {
+      _video_image_thumbnail_debug(t('Video already thumbnailed'));
+      return NULL;
+    }
+    $vidfile = $_POST['vidfile'];
+  } else {
+    $vidfile = $node->vidfile;
+  }
+  
+  //get the video id
+  $id = _video_youtube_get_id($vidfile);
+  // get thumbnail url
+  $thumbnail_url = _video_apiclient_youtube_get_thumbnail_url($id);
+
+  return _video_image_get_thumb_file_object($thumbnail_url, $id);
+}
+
+
+/**
+ * Implementation of hook_v_auto_resolution
+*/
+function video_youtube_v_auto_resolution(&$node) {
+  // we set youtube videos to 425x350 by default
+  return array(425, 350);
+}
+
+
+/**
+ * Implementation of hook_v_auto_playtime
+*/
+function video_youtube_v_auto_playtime(&$node) {
+  $id = _video_youtube_get_id($node->vidfile);
+  $response = _video_apiclient_youtube_request('youtube.videos.get_details', array('video_id' => $id)); // NOTE: here we already passed validation so we expect a valid response
+  
+  return $response['VIDEO_DETAILS']['LENGTH_SECONDS'][0]; // return the lenght in seconds
+}
+
+
+/** THEMEABLE FUNCTIONS */
+
+/**
+ * Play videos hosted on youtube.com
+ * Allows users to host videos on youtube.com and then use the video ID to post it in the module.
+ * In the future it could also use the youtube developer API to get info and comments of the video.
+ *
+ * @param $node
+ *   object with node information
+ *
+ * @return
+ *   string of content to display
+ */
+function theme_video_youtube_play($node) {
+  $width = ($node->video_scaled_x ? $node->video_scaled_x : '425');
+  $height = ($node->video_scaled_y ? $node->video_scaled_y : '350');
+
+  $id = _video_youtube_get_id(check_plain($node->vidfile));
+  
+  // related video setting
+  $rel = variable_get('video_youtube_related', false) ? '1' : '0';
+  
+  // this will be executed by not Internet Explorer browsers
+  $output = '<!--[if !IE]> <-->
+<object type="application/x-shockwave-flash" width="'. $width .'" height="'. $height .'"
+data="http://www.youtube.com/v/' . $id . '&rel='.$rel.'">
+<!--> <![endif]-->' . "\n";
+
+  // this will be executed by Internet Explorer
+  $output .= '<!--[if IE]>
+<object type="application/x-shockwave-flash" width="'. $width .'" height="'. $height .'"
+classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000"
+codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,40,0">
+<![endif]-->' . "\n";
+
+  // params will be passed to both IE or not IE browsers
+  $output .= '<param name="movie" value="http://www.youtube.com/v/' . $id . '&rel='.$rel.'" />' . "\n"
+  . '<param name="wmode" value="transparent" />' . "\n"
+  . _video_get_parameters($node) .
+  '<p>'. t('Your browser is not able to display this multimedia content.') .'</p>
+</object>';
+
+
+  $output = theme('video_format_play', $output, t('http://www.google.com/support/youtube'), t('Link to youtube.com'), t('youtube.com'));
+  return $output;
+}
+
+
+/** HELPER FUNCTIONS */
+
+/**
+ * Get the id from an URL
+*/
+function _video_youtube_get_id($url) {
+  $parsed_url = parse_url($url);
+  parse_str($parsed_url['query'], $parsed_query);;
+  return $parsed_query['v'];
+}
+
+/**
+ * Implementation of hook_theme().
+ */
+function video_youtube_theme() {
+  return array(
+    'video_youtube_play' => array(
+      'arguments' => array('node' => NULL),
+    ),
+  );
+}