add new feature that let user can add hot and top or hidden status themselves

app/assets/javascripts/new_channel.js

@@ -22,17 +22,23 @@
         dataType : "json",
         type : "get"
       }).done(function(channels){
-        $.each(channels.channels,function(index,channel){
-            var ch = $("<div id='" + channel.key + "-channel' class='module cursor-pointer'><div class='lead muted'><i class='" + channel.app_icon + "'></i><br/><span style='font-size:14px;'>" + channel.title + "</span></div></div>");
-            ch.on("click",function(){
-              getFeedList(channel);
-            })
-            $("#channels").append(ch);
-        })
-        setTimeout(function(){
-          displayLoading(false);
-          setTimeout(function(){$("#channels").fadeIn();},500);
-        },1000);
+        if (channels != null){
+          $.each(channels.channels,function(index,channel){
+              var ch = $("<div id='" + channel.key + "-channel' class='module cursor-pointer'><div class='lead muted'><i class='" + channel.app_icon + "'></i><br/><span style='font-size:14px;'>" + channel.title + "</span></div></div>");
+              ch.on("click",function(){
+                getFeedList(channel);
+              })
+              $("#channels").append(ch);
+          })
+          setTimeout(function(){
+            displayLoading(false);
+            setTimeout(function(){$("#channels").fadeIn();},500);
+          },1000);
+        }
+        else{
+          alert('Feed not found')
+          window.location.href = window.location.href
+        }
       })
   }