Waiter app progress

app/controllers/waiter/suppliers_controller.rb

@@ -0,0 +1,7 @@
+class Waiter::SuppliersController < Waiter::ApplicationController
+  def show
+    @supplier = Supplier.find(params[:id])
+    head 404 and return unless @supplier.employee_ids.include?(current_employee.id)
+    render json: @supplier, serializer: Waiter::SupplierSerializer
+  end
+end