Fix json rendering error

app/controllers/api/api_controller.rb

@@ -1,11 +1,19 @@
 class Api::ApiController < ActionController::API
-  include TokenVerification, MultiTenancy
+  include MultiTenancy
+  include TokenVerification
   include ActionController::MimeResponds
+  include ActionView::Rendering
 
   # before_action :lookup_domain
   helper_method :current_token, :current_login_employee, :get_cashier
 
   private
+  # ActionView::Rendering override render_to_body breaks render :json,
+  # resulting in an ActionView::MissingTemplate error.
+  def render_to_body(options)
+    _render_to_body_with_renderer(options) || super
+  end
+
   #this is base api base controller to need to inherit.
   #all token authentication must be done here
   #response format must be set to JSON

app/controllers/application_controller.rb

@@ -1,5 +1,6 @@
 class ApplicationController < ActionController::Base
-  include LoginVerification, MultiTenancy
+  include MultiTenancy
+  include LoginVerification
 
   #before_action :check_installation
   protect_from_forgery with: :exception
@@ -17,5 +18,4 @@ class ApplicationController < ActionController::Base
     flash[:warning] = exception.message
     redirect_to root_path
   end
-
 end

app/controllers/base_controller.rb

@@ -1,6 +1,7 @@
 class BaseController < ActionController::Base
   include MultiTenancy
-  layout "installation"
-  protect_from_forgery with: :exception
 
+  layout "installation"
+  
+  protect_from_forgery with: :exception
 end

app/controllers/base_crm_controller.rb

@@ -1,5 +1,7 @@
 class BaseCrmController < ActionController::Base
-  include LoginVerification, 
+  include MultiTenancy
+  include LoginVerification
+
 	layout "CRM"
 
   before_action :check_user

app/controllers/base_inventory_controller.rb

@@ -1,5 +1,7 @@
 class BaseInventoryController < ActionController::Base
-  include LoginVerification, MultiTenancy
+  include MultiTenancy
+  include LoginVerification
+
 	layout "inventory"
 
   before_action :check_user

app/controllers/base_oqs_controller.rb

@@ -1,5 +1,7 @@
 class BaseOqsController < ActionController::Base
-  include LoginVerification, MultiTenancy
+  include MultiTenancy
+  include LoginVerification
+
   layout "OQS"
 
   before_action :check_user

app/controllers/base_origami_controller.rb

@@ -1,5 +1,7 @@
 class BaseOrigamiController < ActionController::Base
-  include LoginVerification, MultiTenancy
+  include MultiTenancy
+  include LoginVerification
+
   layout "origami"
 
   before_action :check_user

app/controllers/base_report_controller.rb

@@ -1,5 +1,7 @@
 class BaseReportController < ActionController::Base
-  include LoginVerification, MultiTenancy
+  include MultiTenancy
+  include LoginVerification
+
 	layout "application"
 
 	before_action :check_user

app/controllers/base_waiter_controller.rb

@@ -1,5 +1,7 @@
 class BaseWaiterController < ActionController::Base
-  include LoginVerification, MultiTenancy
+  include MultiTenancy
+  include LoginVerification
+
   layout "waiter"
 
   before_action :check_user

app/controllers/concerns/multi_tenancy.rb

@@ -4,7 +4,6 @@ module MultiTenancy
   included do
     set_current_tenant_through_filter if respond_to? :set_current_tenant_through_filter
     before_action :find_shop_by_subdomain_or_frist if respond_to? :before_action
-    helper_method :current_shop if respond_to? :helper_method
   end
 
   private