better error handling for youtube uploading

app/assets/javascripts/recordings.coffee

@@ -310,7 +310,11 @@ class @Recordings
         method: 'POST',
         url: url+'/'+id
         data: {video_title: title, privacy_status: privacy_status}
-        success: () ->
+        success: (data) ->
+
+          if data['url'] != null
+            window.location.href = data['url']
+          else
             cloud = selectedUpload.find('.cloud-blue')
             check = selectedUpload.find('.green-check')
             spinner = selectedUpload.find('.load-spinner')
@@ -319,6 +323,7 @@ class @Recordings
 
             spinner.hide()
             check.show()
+
             setTimeout ( ->
               cloud.show()
               check.hide()

app/controllers/bbb_controller.rb

@@ -180,11 +180,23 @@ class BbbController < ApplicationController
               title: params[:video_title],
               description: t('youtube_description', url: 'https://bigbluebutton.org/'),
               privacy_status: params[:privacy_status])
-    rescue
+    rescue => e
+      errors = e.response_body['error']['errors']
+      # Many complications, start by getting them to refresh their token.
+      if errors.length > 1
+        redirect_url = user_login_url
+      else
+        error = errors[0]
+        if error['message'] == "Unauthorized"
+          redirect_url = 'https://m.youtube.com/create_channel'
+        else
           # In this case, they don't have a youtube channel connected to their account, so prompt to create one.
-      redirect_to 'https://m.youtube.com/create_channel'
+          redirect_url = user_login_url
         end
       end
+    end
+    render json: {:url => redirect_url}
+  end
 
   # POST /rooms/:room_id/recordings/can_upload
   def can_upload