fix calendar broken

app/controllers/application_controller.rb

@@ -2,8 +2,9 @@ class ApplicationController < ActionController::Base
   protect_from_forgery
 
   include ParserFrontEnd, ParserBackEnd, ApplicationHelper
-  include OrbitApp::ErrorHandlers::ObjectAuthErrorHandler
+  include OrbitApp::ErrorHandlers
   rescue_from ObjectAuthError, :with => :render_object_auth_error
+  rescue_from ModuleAppError, :with => :render_module_app_error
 
   layout :layout_by_resource
   

app/controllers/orbit_backend_controller.rb

@@ -13,6 +13,7 @@ class OrbitBackendController < ApplicationController
   def setup_vars
     @app_title ||= controller_path.split('/')[1].singularize
     @module_app ||= ModuleApp.first(conditions: {:key => @app_title} )
+    raise ModuleAppError, 'Can not find ModuleApp' if @module_app.nil?
   end
 
   private

app/errors/module_app_error.rb

@@ -0,0 +1,3 @@
+class ModuleAppError < StandardError
+  
+end

lib/orbit_app/error_handlers/module_app_error_handler.rb

@@ -0,0 +1,16 @@
+module OrbitApp
+  module ErrorHandlers
+    module ModuleAppErrorHandler
+      
+
+      def render_module_app_error(exception = nil)
+        default_message = 'ModuleAppErrorHandler'
+        meaasge = ''
+        if exception
+          meaasge = default_message + exception.message
+        end
+        render :text=>meaasge
+      end
+    end
+  end
+end

lib/tasks/migrate.rake

@@ -338,4 +338,16 @@ namespace :migrate do
       @module_app.save
   end
 
+  task  :reinstall_calendar => :environment do
+      old_calendar = ModuleApp.where(key: "calendar")
+      old_calendar.destroy_all unless old_calendar.empty?
+      ModuleApp.new.from_json(File.open("#{Rails.root}/vendor/built_in_modules/calendar/calendar.json").read).save
+  end
+
+  task  :reinstall_gallery => :environment do
+      old_gallery = ModuleApp.where(key: "gallery")
+      old_gallery.destroy_all unless old_gallery.empty?
+      ModuleApp.new.from_json(File.open("#{Rails.root}/vendor/built_in_modules/gallery/gallery.json").read).save
+  end
+
 end

vendor/built_in_modules/calendar/calendar.json

@@ -0,0 +1,14 @@
+{
+  "title": "calendar",
+  "version": "0.1",
+  "organization": "Rulingcom",
+  "author": "Visual dep",
+  "intro": "A simple and amazing calendar",
+  "update_info": "Some info",
+  "create_date": "11-08-2012",
+  "app_pages":  ["calendar"],
+  "widgets": [],
+  "category": [],
+  "widget_fields":[],
+  "enable_frontend": true
+}