change checksum handling & show active meetings

app/views/landing/_previously_joined.html.erb

@@ -13,9 +13,142 @@
 # with BigBlueButton; if not, see <http://www.gnu.org/licenses/>.
 %>
 
-<div class="previously-joined-wrapper hidden">
-  <div class="list-group text-center">
-    <h4><%= t('previous_meetings') %></h4>
-    <ul class="previously-joined"></ul>
+<% if current_user %>
+  <div class="previously-joined-wrapper hidden">
+    <div class = 'row'>
+      <div class = 'col-xs-4 col-xs-offset-2'>
+        <div class="list-group text-center">
+          <h4><%= t('previous_meetings') %></h4>
+          <ul class="previously-joined"></ul>
+        </div>
+      </div>
+      <div class = 'col-xs-4'>
+        <div class="list-group text-center">
+          <h4><%= t('active_meetings') %></h4>
+          <ul class="actives"></ul>
+        </div>
+      </div>
+    </div>
   </div>
-</div>
+<% end %>
+
+<script>
+
+MEETINGS = {}
+
+// Only need to register for logged in users.
+if($('body').data('current-user')){
+  App.messages = App.cable.subscriptions.create('RefreshMeetingsChannel', {
+    received: function(data) {
+      console.log(data)
+      if(isPreviouslyJoined(data['meeting'])){
+        if(data['method'] == 'create'){
+
+          // Create an empty meeting.
+          MEETINGS[data['meeting']] = {'name': data['meeting'],
+                                      'participants': 0,
+                                      'moderators': 0}
+
+          renderActiveMeeting(MEETINGS[data['meeting']])
+        } else if(data['method'] == 'destroy'){
+          removeActiveMeeting(MEETINGS[data['meeting']])
+          delete MEETINGS[data['meeting']]
+        } else if(data['method'] == 'join'){
+          handleUser(data, 1)
+          updateMeetingText(MEETINGS[data['meeting']])
+        } else if(data['method'] == 'leave'){
+          handleUser(data, -1)
+        }
+      }
+    }
+  });
+}
+
+handleUser = function(data, n){
+  if(data['role'] == 'MODERATOR'){
+    MEETINGS[data['meeting']]['moderators'] += n
+  } else {
+    MEETINGS[data['meeting']]['participants'] += n
+  }
+  updateMeetingText(MEETINGS[data['meeting']])
+}
+
+updateMeetingText = function(meeting){
+  $('#' + meeting['name']).html('<a>' + meeting['name'] + '</a> <i>(' +
+          meeting['participants'] + ((meeting['participants'] == 1) ? ' user, ' : ' users, ') +
+          meeting['moderators'] + ((meeting['moderators'] == 1) ? ' mod)' : ' mods)'))
+}
+
+initialPopulate = function(){
+  $.get(window.location.origin + '/rooms/' + $('body').data('current-user') + '/request', function(data){
+    meetings = data['meetings']
+    for(var i = 0; i < meetings.length; i++){
+      name = meetings[i]['meetingName']
+      participants = parseInt(meetings[i]['participantCount'])
+      moderators = parseInt(meetings[i]['moderatorCount'])
+      // Create meeting.
+      MEETINGS[name] = {'name': name,
+                            'participants': participants - moderators,
+                            'moderators': moderators}
+      if(isPreviouslyJoined(name)){
+        renderActiveMeeting(MEETINGS[name])
+        // remove it.
+      }
+    }
+  });
+}
+
+isPreviouslyJoined = function(meeting){
+  joinedMeetings = localStorage.getItem('joinedRooms-' + $('body').data('current-user')).split(',');
+  return joinedMeetings.indexOf(meeting) >= 0
+}
+
+renderActiveMeeting = function(m){
+  var meeting_item = $('<li id = ' + m['name'] + '><a>' + m['name'] + '</a>' +
+          ' <i>(' + m['participants'] + ' users, ' + m['moderators'] + ' mods)</i>' + '</li>')
+  $('.actives').append(meeting_item);
+
+  // Set up join on click.
+  meeting_item.click(function(){
+    joinMeeting(name);
+  });
+}
+
+removeActiveMeeting = function(meeting){
+  $('#' + meeting['name']).remove()
+  //$(".actives:contains('" + meeting['name'] + "')").remove()
+}
+
+// Directly join a meeting from active meetings.
+joinMeeting = function(meeting_name){
+  var name = $('.meeting-user-name').val();
+  Meeting.getInstance().setUserName(localStorage.getItem('lastJoinedName'));
+  Meeting.getInstance().setMeetingId(meeting_name);
+
+  // 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());
+        } else {
+          $(location).attr("href", data.response.join_url);
+        }
+      });
+      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 {
+    $(location).attr("href", Meeting.getInstance().getURL());
+  }
+}
+
+if($('body').data('current-user')){ initialPopulate() }
+
+</script>