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

lib/tasks/receipt.rake

@@ -3,7 +3,7 @@ namespace :consolidate do
   task :receipt => :environment do
     # Receipt.delete_all
     sales = Sale.all_receipts
-    shop  = Shop.first #current_shop
+    shop  = Shop.current_shop #Shop.current_shop
     sales.each do |sale|
       
      if sale.shift_sale_id.present?
@@ -57,7 +57,7 @@ namespace :consolidate do
     ReceiptDetail.delete_all
     sales = Sale.all_receipt_details
 
-    shop  = Shop.first #current_shop
+    shop  = Shop.current_shop #Shop.current_shop
 
     sale_id = ''
     count   = 0