Earlybirdoff (#74)

* turn of early bird + no crash on showing sessions without speakers

* <-

Pages/gbg-2024/Index.cshtml

@@ -23,7 +23,7 @@
     }
 
     bool isCfpOpen = true; //New logic will be added on issue #178
-    bool earlyBirdAvailable = true;
+    bool earlyBirdAvailable = false;
 
     int speakersLeft = conference.MinNumberOfSpeakers - conference.Speakers.Count;
 
@@ -426,7 +426,7 @@
                 <div class="row">
                     <div class="col-lg-10 col-lg-offset-1">
                         <ul class="sessions">
-                            @foreach (var session in conference.Sessions.Where(s => s.Published).OrderBy(s => s.Priority).ThenBy(s => s.Name))
+                            @foreach (var session in conference.Sessions.Where(s => s.Published && s.Speakers != null).OrderBy(s => s.Priority).ThenBy(s => s.Name))
                             {
                                 var sessionSpeakers = session.Speakers;
                                 <li>
@@ -438,7 +438,7 @@
                                                 speaker.SpeakerImages.FirstOrDefault(i => i.ImageType.Slug == "thumb")?.ImageUrl ?? "";
                                             <li><img class="img-circle" src="@imageUrl" /><a href="/@slug/speakers/@speaker.Slug">@speaker.Name</a></li>
                                         }
-                                    </ul>
+                                    </ul> 
                                 </li> 
                             }
                             <li><p>More sessions will be published soon!</p></li>