[YoutubePlayer] Several small updates on the usage of the Youtube API following a breaking change

Author: laurybueno

administration/static/app/controllers/admin.lesson.controllers.js

@@ -32,7 +32,14 @@
 
             $scope.play = function(youtube_id) {
                 youtubePlayerApi.loadPlayer().then(function(player){
-                    if(player.getVideoData().video_id === youtube_id) return;
+                    try {
+                        if(player.getVideoData().video_id === youtube_id) return;
+                    }
+                    catch(err) {
+                        // There has been an error trying to get video data from the player API (provided by Youtube)
+                        // Pass this error silently
+                    }
+                    // Enforce now which video must be played
                     player.cueVideoById(youtube_id);
                 });
             };

administration/static/js/new-course/controllers.js

@@ -41,6 +41,7 @@
             $scope.playerReady = false;
             youtubePlayerApi.loadPlayer().then(function(p){
                 player = p;
+                player.cueVideoById(youtubePlayerApi.videoId);
                 $scope.playerReady = true;
             });
 

core/static/js/lesson/controllers.js

@@ -78,8 +78,16 @@
                         $scope.section = 'video';
 
                         youtubePlayerApi.loadPlayer().then(function(player){
-                            if(player.getVideoData() &&
-                            player.getVideoData().video_id === youtube_id) return;
+                            try {
+                                if(player.getVideoData() &&
+                                    player.getVideoData().video_id === youtube_id)
+                                    return;
+                            }
+                            catch(err) {
+                                // There has been an error trying to get video data from the player API (provided by Youtube)
+                                // Pass this error silently
+                            }
+                            // Enforce now which video must be played
                             player.cueVideoById(youtube_id);
                         });
                     } else {
@@ -315,7 +323,13 @@
     var lastState = -1;
 
     function  onPlayerStateChange (event) {
-        var video_id = event.target.getVideoData().video_id;
+        try {
+            var video_id = event.target.getVideoData().video_id;
+        }
+        catch(err) {
+            // There has been an error trying to get video data from the player API (provided by Youtube)
+            // Pass this error silently
+        }
 
         if (event.data == YT.PlayerState.ENDED){
             if(! (lastState === YT.PlayerState.PAUSED ||   // workaround, YT in html5 mode will fire