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/payments_controller.rb

@@ -59,7 +59,7 @@ class Origami::PaymentsController < BaseOrigamiController
       end
 
        #shop detail
-      ## shop_detail =  Shop.first
+      ## shop_detail =  Shop.current_shop
       # customer= Customer.where('customer_id=' +.customer_id)
       customer = Customer.find(sale_data.customer_id)
       # rounding adjustment
@@ -141,7 +141,7 @@ class Origami::PaymentsController < BaseOrigamiController
     if(Sale.exists?(sale_id))
       saleObj = Sale.find(sale_id)
       sale_items = SaleItem.get_all_sale_items(sale_id)
-      #shop_detail =  Shop.first
+      #shop_detail =  Shop.current_shop
       # rounding adjustment
       if !path.include? ("credit_payment")
         if shop_detail.is_rounding_adj
@@ -577,7 +577,7 @@ class Origami::PaymentsController < BaseOrigamiController
       customer= Customer.find(saleObj.customer_id)
 
       #shop detail
-      #shop_detail =  Shop.first
+      #shop_detail =  Shop.current_shop
       # get member information
       rebate = MembershipSetting.find_by_rebate(1)
       if customer.membership_id != nil && rebate
@@ -686,7 +686,7 @@ class Origami::PaymentsController < BaseOrigamiController
         customer= Customer.find(saleObj.customer_id)
 
          #shop detail
-        #shop_detail =  Shop.first
+        #shop_detail =  Shop.current_shop
         printer = PrintSetting.all
 
         unique_code="ReceiptBillPdf"