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/customers_controller.rb

@@ -87,7 +87,7 @@ class Origami::CustomersController < BaseOrigamiController
     @count_customer = Customer.count_customer
 
     # @taxes = TaxProfile.where(:group_type => 'cashier')
-    @taxes = TaxProfile.unscoped.select("id, (CONCAT(name,'(',(SELECT name FROM lookups WHERE lookup_type='tax_profiles' AND value=group_type),')')) as name")
+    @taxes = TaxProfile.unscope(:order).select("id, (CONCAT(name,'(',(SELECT name FROM lookups WHERE lookup_type='tax_profiles' AND value=group_type),')')) as name")
           .order("group_type ASC,order_by ASC")
     # if flash["errors"]
     #   @crm_customer.valid?