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/api/api_controller.rb

@@ -1,5 +1,5 @@
 class Api::ApiController < ActionController::API
-  include TokenVerification
+  include TokenVerification, MultiTenancy
   include ActionController::MimeResponds
 
   # before_action :lookup_domain

app/controllers/api/bill_controller.rb

@@ -106,7 +106,7 @@ class Api::BillController < Api::ApiController
 
     # unique_code = "ReceiptBillPdf"
     # #shop detail
-    # shop_details = Shop.find(1)
+    # shop_details = Shop.current_shop
 
     # customer= Customer.find(@sale_data.customer_id)
     # # get member information

app/controllers/api/call_waiters_controller.rb

@@ -23,7 +23,7 @@ class Api::CallWaitersController < ActionController::API
     end 
     ActionCable.server.broadcast "call_waiter_channel",table: @table,time:@time,from: from, shift_ids: shift_ids 
     # get printer info
-    @shop          = Shop.first 
+    @shop          = Shop.current_shop 
     unique_code    = "CallWaiterPdf" 
     print_settings = PrintSetting.find_by_unique_code(unique_code)
     printer        = Printer::ReceiptPrinter.new(print_settings)   

app/controllers/api/order_reserve/order_reservation_controller.rb

@@ -70,7 +70,7 @@ class Api::OrderReserve::OrderReservationController < Api::ApiController
 			order_reservation_id, flag = OrderReservation.addOrderReservationInfo(order_reservation)
 
 			if !order_reservation_id.nil? && flag
-				shop = Shop.find_by_id(1)
+				shop = Shop.current_shop
 				if !shop.nil?
 					shop_code = shop.shop_code
 					order_audio = DisplayImage.find_by_shop_id_and_name(shop.id, "order_audio")

app/controllers/api/orders_controller.rb

@@ -46,7 +46,7 @@ class Api::OrdersController <  Api::ApiController
       @tax_profile = TaxProfile.where("lower(group_type)='cashier'")
     # end
 
-    @shop = Shop.first
+    @shop = Shop.current_shop
     puts "Hello world"
     puts @shop.to_json
     return @shop.to_json

app/controllers/api/payment/mobilepayment_controller.rb

@@ -14,7 +14,7 @@ class Api::Payment::MobilepaymentController < Api::ApiController
 
       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")

app/controllers/api/sound_effect_controller.rb

@@ -2,7 +2,7 @@ class Api::SoundEffectController < Api::ApiController
 
   #sound effect / alarm api for doemal side calling
   def sound_effect
-    shop = Shop.find_by_id(1)
+    shop = Shop.current_shop
     if !shop.nil?
       shop_code = shop.shop_code
       order_audio = DisplayImage.find_by_shop_id_and_name(shop.id, "order_audio")