PLT 783 Fix Previews for removed YouTube videos (#3073)

* PLT-783 Fix Previews for removed YouTube videos render incorrectly and throw a 404

* Updating video poster for video not found (#3072)

webapp/utils/web_client.jsx

@@ -6,6 +6,8 @@ import TeamStore from '../stores/team_store.jsx';
 import BrowserStore from '../stores/browser_store.jsx';
 import * as GlobalActions from 'action_creators/global_actions.jsx';
 
+import request from 'superagent';
+
 const HTTP_UNAUTHORIZED = 401;
 
 class WebClientClass extends Client {
@@ -82,6 +84,17 @@ class WebClientClass extends Client {
             }
         );
     }
+
+    getYoutubeVideoInfo(googleKey, videoId, success, error) {
+        request.get('https://www.googleapis.com/youtube/v3/videos').
+        query({part: 'snippet', id: videoId, key: googleKey}).
+        end((err, res) => {
+            if (err) {
+                return error(err);
+            }
+            return success(res.body);
+        });
+    }
 }
 
 var WebClient = new WebClientClass();