Corrected monthly invoices for sending to omniva

app/jobs/send_monthly_invoices_job.rb

@@ -39,6 +39,7 @@ class SendMonthlyInvoicesJob < ApplicationJob
       sync_with_directo
     end
   end
+
   # rubocop:enable Metrics/MethodLength
 
   def send_email_to_registrar(invoice:, registrar:)
@@ -52,7 +53,7 @@ class SendMonthlyInvoicesJob < ApplicationJob
   end
 
   def create_invoice(summary, registrar)
-    invoice = registrar.init_monthly_invoice(summary)
+    invoice = registrar.init_monthly_invoice(normalize(summary))
     invoice.number = assign_monthly_number
     return unless invoice.save!
 
@@ -108,4 +109,37 @@ class SendMonthlyInvoicesJob < ApplicationJob
 
     Setting.directo_monthly_number_last = num.to_i
   end
+
+  private
+
+  def normalize(summary, lines: [])
+    sum = summary.dup
+    line_map = Hash.new 0
+    sum['invoice_lines'].each { |l| line_map[l] += 1 }
+
+    line_map.each_key do |count|
+      count['quantity'] = line_map[count] unless count['unit'].nil?
+      regex = /Domeenide ettemaks|Domains prepayment/
+      count['quantity'] = -1 if count['description'].match?(regex)
+      lines << count
+    end
+
+    sum['invoice_lines'] = summarize_lines(lines)
+    sum
+  end
+
+  def summarize_lines(invoice_lines, lines: [])
+    line_map = Hash.new 0
+    invoice_lines.each do |l|
+      hash = l.with_indifferent_access.except(:start_date, :end_date)
+      line_map[hash] += 1
+    end
+
+    line_map.each_key do |count|
+      count['price'] = (line_map[count] * count['price'].to_f).round(3) unless count['price'].nil?
+      lines << count
+    end
+
+    lines
+  end
 end

app/models/concerns/registrar/book_keeping.rb

@@ -17,14 +17,11 @@ module Registrar::BookKeeping
     return unless activities.any?
 
     invoice = {
-      'number': 1,
-      'customer': compose_directo_customer,
+      'number': 1, 'customer': compose_directo_customer,
       'language': language == 'en' ? 'ENG' : '', 'currency': activities.first.currency,
       'date': month.end_of_month.strftime('%Y-%m-%d')
     }.as_json
-
     invoice['invoice_lines'] = prepare_invoice_lines(month: month, activities: activities)
-
     invoice
   end
 
@@ -92,7 +89,7 @@ module Registrar::BookKeeping
   def add_product_timeframe(line:, activity:, duration:)
     create_time = activity.created_at
     line['start_date'] = (create_time + (duration - 1).year).end_of_month.strftime('%Y-%m-%d')
-    line['end_date'] = (create_time + (duration - 1).year + 1).end_of_month.strftime('%Y-%m-%d')
+    line['end_date'] = (create_time + duration.year).end_of_month.strftime('%Y-%m-%d')
   end
 
   def description_in_language(price:, yearly:)