Merge pull request #2640 from internetee/new-vat-rate-overwrite-old-one

new vat rate overwrite olds one in e-invoice

.gitignore

@@ -17,3 +17,5 @@
 .rubocop.yml
 /lib/tasks/mock.rake
 
+.DS_Store
+/node_modules

app/models/invoice/vat_rate_calculator.rb

@@ -1,15 +1,18 @@
 class Invoice
   class VatRateCalculator
-    attr_reader :registry, :registrar
+    OLD_VAT_RATE = 20.0
 
-    def initialize(registry: Registry.current, registrar:)
+    attr_reader :registry, :registrar, :current_year
+
+    def initialize(registry: Registry.current, current_year: Time.zone.today.year, registrar:)
       @registry = registry
       @registrar = registrar
+      @current_year = current_year
     end
 
     def calculate
       if registrar.vat_liable_locally?(registry)
-        registry.vat_rate
+        current_year > 2023 ? registry.vat_rate : OLD_VAT_RATE  
       else
         registrar.vat_rate || 0
       end

app/models/registrar.rb

@@ -99,7 +99,7 @@ class Registrar < ApplicationRecord # rubocop:disable Metrics/ClassLength
       buyer_email: billing_email,
       buyer_vat_no: vat_no,
       reference_no: reference_no,
-      vat_rate: calculate_vat_rate,
+      vat_rate: calculate_vat_rate(current_year: summary['date'].to_date.year),
       monthly_invoice: true,
       metadata: { items: remove_line_duplicates(summary['invoice_lines']) },
       total: 0
@@ -325,8 +325,8 @@ class Registrar < ApplicationRecord # rubocop:disable Metrics/ClassLength
     !vat_liable_locally?
   end
 
-  def calculate_vat_rate
-    ::Invoice::VatRateCalculator.new(registrar: self).calculate
+  def calculate_vat_rate(current_year: Time.zone.today.year)
+    ::Invoice::VatRateCalculator.new(registrar: self, current_year: current_year).calculate
   end
 
   def remove_line_duplicates(invoice_lines, lines: [])