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/controllers/origami/rooms_controller.rb

@@ -1,7 +1,7 @@
 class Origami::RoomsController < BaseOrigamiController
   def index
-    @tables = Table.unscoped.all.active.order('status desc')
-    @rooms = Room.unscoped.all.active.order('status desc')
+    @tables = Table.unscope(:order).all.active.order('status desc')
+    @rooms = Room.unscope(:order).all.active.order('status desc')
     @complete = Sale.completed_sale("cashier")
     @orders = Order.includes("sale_orders").where("DATE_FORMAT(date,'%Y-%m-%d') = ? and status != 'billed' and source != 'quick_service'",DateTime.now.strftime('%Y-%m-%d')).order('date desc')
     @shift = ShiftSale.current_open_shift(current_user.id)
@@ -17,8 +17,8 @@ class Origami::RoomsController < BaseOrigamiController
       @webview = true  
     end
     
-    @tables = Table.unscoped.all.active.order('status desc')
-    @rooms = Room.unscoped.all.active.order('status desc')
+    @tables = Table.unscope(:order).all.active.order('status desc')
+    @rooms = Room.unscope(:order).all.active.order('status desc')
     @complete = Sale.completed_sale("cashier")
     @orders = Order.includes("sale_orders").where("DATE_FORMAT(date,'%Y-%m-%d') = ? and status != 'billed' and source != 'quick_service'",DateTime.now.strftime('%Y-%m-%d')).order('date desc')
     @customers = Customer.pluck("customer_id, name")
@@ -29,7 +29,7 @@ class Origami::RoomsController < BaseOrigamiController
     @status_sale = ""
     @sale_array = Array.new
 
-    @shop =  Shop.first
+    @shop =  Shop.current_shop
     @membership = MembershipSetting::MembershipSetting
     @payment_methods = PaymentMethodSetting.all