notify user when joining without name provided

app/assets/javascripts/landing.js

@@ -47,6 +47,7 @@
       // a user name is set, join the user into the session
       if (name !== undefined && name !== null) {
         var jqxhr = Meeting.getInstance().getJoinMeetingResponse();
+        if (jqxhr) {
           jqxhr.done(function(data) {
             if (data.messageKey === 'wait_for_moderator') {
               waitForModerator(Meeting.getInstance().getURL());
@@ -57,6 +58,9 @@
           jqxhr.fail(function(xhr, status, error) {
             console.info("meeting join failed");
           });
+        } else {
+          $('.meeting-user-name').parent().addClass('has-error');
+        }
 
       // if not user name was set it means we must ask for a name
       } else {
@@ -68,6 +72,14 @@
       Turbolinks.visit($('.meeting-url').val());
     });
 
+    $('.center-panel-wrapper').on ('input', '.meeting-user-name', function (event) {
+      if ($(this).val() === '') {
+        $(this).parent().addClass('has-error')
+      } else {
+        $(this).parent().removeClass('has-error')
+      }
+    });
+
     $('.center-panel-wrapper').on ('keypress', '.meeting-user-name', function (event) {
       if (event.keyCode === 13) {
         event.preventDefault();

app/assets/javascripts/meeting.coffee

@@ -63,6 +63,9 @@ class @Meeting
   # Returns a response object
   #    The response object contains the URL to join the meeting
   getJoinMeetingResponse: ->
+    if !@userName
+      showAlert(I18n.enter_name, 4000, 'danger')
+      return false
     return $.get @getURL() + "/join?name=" + @userName, (data) =>
       # update name used to join meeting
       localStorage.setItem('lastJoinedName', @getUserName())

app/assets/javascripts/shared.js.erb

@@ -35,12 +35,15 @@ var loopJoin = function() {
 };
 
 var alertTimeout = null;
-var showAlert = function(html, timeout_delay) {
+var showAlert = function(html, timeout_delay, type) {
+  type = type || 'success'
+
   if (!html) {
     return;
   }
 
   $('.alert-template .alert-message').html(html);
+  $('.alert-template .alert').removeClass('alert-success alert-danger alert-info alert-warning').addClass('alert-'+type);
   $('#alerts').html($('.alert-template').html());
 
   if (timeout_delay) {

app/views/landing/rooms.html.erb

@@ -66,14 +66,6 @@
       <%= t('client.unpublished') %>
     </button>
   </div>
-  <div class="alert-template">
-    <div class="alert alert-success alert-dismissible fade in" role="alert">
-      <button type="button" class="close" data-dismiss="alert" aria-label="Close">
-        <span aria-hidden="true">&times;</span>
-      </button>
-      <span class="alert-message"></span>
-    </div>
-  </div>
   <div class="recording-actions">
     <button type="button" class="btn btn-default has-popover recording-update-trigger visibility-tooltip"
             data-placement="left" data-popover-body=".recording-visibility-popover"

app/views/layouts/application.html.erb

@@ -78,5 +78,15 @@ with BigBlueButton; if not, see <http://www.gnu.org/licenses/>.
       <%= t('footer_html', bbb_link: link_to('BigBlueButton', 'http://bigbluebutton.org/', target: "_blank")) %>.<br><br>
     </div>
     <!-- End of Footer -->
+  <div hidden class="hidden-elements">
+    <div class="alert-template">
+      <div class="alert alert-success alert-dismissible fade in" role="alert">
+        <button type="button" class="close" data-dismiss="alert" aria-label="Close">
+          <span aria-hidden="true">&times;</span>
+        </button>
+        <span class="alert-message"></span>
+      </div>
+    </div>
+  </div>
   </body>
 </html>

app/views/shared/_join_form.html.erb

@@ -44,7 +44,9 @@
 
         <!-- if not signed in show field to enter name -->
         <% else %>
+          <div class="input-wrapper">
             <%= text_field_tag 'user[name]', '', class: 'form-control meeting-user-name', placeholder: t('enter_name'), maxlength: user_name_limit %>
+          </div>
           <span class="input-group-btn">
             <button type="button" class="btn btn-primary center-block meeting-join">
               <%= t('join') %>

config/locales/en-us.yml

@@ -45,6 +45,7 @@ en-US:
     are_you_sure: Are you sure?
     change_visibility: Change visibility
     delete_recording: Delete recording
+    enter_name: Enter a name to join
     meeting_ended: Meeting was ended
     meeting_started: Meeting was started
     no_recordings: No Recordings