HTTP codes for room creation

public/js/vroom.js

@@ -348,24 +348,25 @@ function initIndex(){
           roomName: $('#roomName').val(),
         },
         success: function(data) {
-          if (data.status == 'success'){
           room = data.room;
           window.location.assign(rootUrl + data.room);
-          }
+        },
-          else if (data.err && data.err == 'ERROR_NAME_CONFLICT' ){
+        error: function(data){
+          data = data.responseJSON;
+          if (data.err && data.err == 'ERROR_NAME_CONFLICT' ){
             room = data.room;
             $('#conflictModal').modal('show');
           }
-          else{
+          else if (data.msg){
             $('#roomName').parent().parent().notify(data.msg, {
                class: 'error',
                position: 'bottom center'
             });
           }
-        },
+          else{
-        error: function(){
             $.notify(locale.ERROR_OCCURRED, 'error');
           }
+        }
       });
     }
   });

vroom.pl

@@ -1139,17 +1139,17 @@ post '/create' => sub {
   if (!$self->valid_room_name($name)){
     $json->{err} = 'ERROR_NAME_INVALID';
     $json->{msg} = $self->l('ERROR_NAME_INVALID');
-    return $self->render(json => $json);
+    return $self->render(json => $json, status => 400);
   }
   elsif ($self->get_room_by_name($name)){
     $json->{err} = 'ERROR_NAME_CONFLICT';
     $json->{msg} = $self->l('ERROR_NAME_CONFLICT');
-    return $self->render(json => $json);
+    return $self->render(json => $json, status => 409);
   }
   if (!$self->create_room($name,$self->session('name'))){
     $json->{err} = 'ERROR_OCCURRED';
     $json->{msg} = $self->l('ERROR_OCCURRED');
-    return $self->render(json => $json);
+    return $self->render(json => $json, status => 500);
   }
   $json->{status} = 'success';
   $json->{err}    = '';