Single database for multiple shops

Use ActsAsTenant as Multi-tenancy for shops

See below files:
- app/controllers/concern/multi_tenancy.rb
- app/models/application_record.rb
- app/models/shop.rb

An initializer can be created to control option in ActsAsTenant.
config/initializers/acts_as_tenant.rb
require 'acts_as_tenant/sidekiq'
ActsAsTenant.configure do |config|
  config.require_tenant = false # true
end

more details: https://github.com/ErwinM/acts_as_tenant

app/views/origami/dashboard/_menu.json.jbuilder

@@ -8,7 +8,7 @@ json.valid_time_to menu.valid_time_to.strftime("%H:%M")
 if (menu.menu_categories)
   order_by = Lookup.find_by_lookup_type("order_by")
   # if !order_by.nil? && order_by.value == "name"
-  #   categories = MenuCategory.unscoped.where("menu_id ='#{menu.id}'").order("name asc")
+  #   categories = MenuCategory.unscope(:order).where("menu_id ='#{menu.id}'").order("name asc")
   # else
   #   categories = menu.menu_categories
   # end