export collected VAT by rate

app/controllers/api/exports_controller.rb

@@ -70,6 +70,8 @@ class API::ExportsController < API::ApiController
       case type
       when 'acd'
         export = export.where('created_at > ?', Invoice.maximum('updated_at'))
+      when 'vat'
+        export = export.where('created_at > ?', Invoice.maximum('updated_at'))
       else
         raise ArgumentError, "Unknown type accounting/#{type}"
       end

app/frontend/src/javascript/controllers/admin/invoices.js

@@ -1414,6 +1414,16 @@ Application.Controllers.controller('AccountingExportModalController', ['$scope',
         decimalSeparator: ',',
         exportInvoicesAtZero: false,
         columns: ['journal_code', 'date', 'account_code', 'account_label', 'piece', 'line_label', 'debit_origin', 'credit_origin', 'debit_euro', 'credit_euro', 'lettering']
+      },
+      vat: {
+        format: 'csv',
+        encoding: 'UTF-8',
+        separator: ';',
+        dateFormat: '%Y-%m-%d',
+        labelMaxLength: 'N/A',
+        decimalSeparator: '.',
+        exportInvoicesAtZero: false,
+        columns: ['start_date', 'end_date', 'vat_rate', 'amount']
       }
     };
 
@@ -1433,6 +1443,7 @@ Application.Controllers.controller('AccountingExportModalController', ['$scope',
 
     // binding to radio button "export to"
     $scope.exportTarget = {
+      type: null,
       software: null,
       startDate: null,
       endDate: null,

app/frontend/templates/admin/invoices/accountingExportModal.html

@@ -42,11 +42,15 @@
       </div>
     </div>
     <div class="row">
-      <h4 class="control-label m-l" translate>{{ 'app.admin.invoices.export_to' }}</h4>
+      <h4 class="control-label m-l" translate>{{ 'app.admin.invoices.export_what' }}</h4>
       <div class="form-group m-l-lg">
-        <label for="acd">
+        <label for="vat" class="block">
+          <input type="radio" name="vat" id="vat" ng-model="exportTarget.software" ng-value="'vat'" ng-click="fillSettings('vat')" required/>
+          {{ 'app.admin.invoices.export_VAT' | translate }}
+        </label>
+        <label for="acd" class="block">
           <input type="radio" name="acd" id="acd" ng-model="exportTarget.software" ng-value="'acd'" ng-click="fillSettings('acd')" required/>
-          {{ 'app.admin.invoices.acd' | translate }}
+          {{ 'app.admin.invoices.export_to_ACD' | translate }}
         </label>
       </div>
     </div>

app/models/invoice_item.rb

@@ -40,8 +40,10 @@ class InvoiceItem < Footprintable
   def invoice_item_type
     if object_type == Reservation.name
       object.try(:reservable_type) || ''
-    elsif object_type == Subscription.name
+    elsif [Subscription.name, OfferDay.name].include? object_type
       Subscription.name
+    elsif object_type == StatisticProfilePrepaidPack.name
+      object.prepaid_pack.priceable_type
     else
       ''
     end

app/services/accounting_export_service.rb

@@ -16,7 +16,6 @@ class AccountingExportService
     @label_max_length = 50
     @export_zeros = false
     @journal_code = Setting.get('accounting_journal_code') || ''
-    @date_format = date_format
     @columns = columns
   end
 

app/services/vat_export_service.rb

@@ -0,0 +1,97 @@
+# frozen_string_literal: false
+
+# Provides the routine to export the collected VAT data to a CSV file.
+class VatExportService
+  include ActionView::Helpers::NumberHelper
+
+  attr_reader :encoding, :format, :separator, :date_format, :columns, :decimal_separator
+
+  def initialize(columns, encoding: 'UTF-8', format: 'CSV', separator: ';')
+    @encoding = encoding
+    @format = format
+    @separator = separator
+    @decimal_separator = '.'
+    @date_format = '%Y-%m-%d'
+    @columns = columns
+  end
+
+  def set_options(decimal_separator: ',', date_format: '%d/%m/%Y', label_max_length: nil, export_zeros: nil)
+    @decimal_separator = decimal_separator
+    @date_format = date_format
+  end
+
+  def export(start_date, end_date, file)
+    # build CSV content
+    content = header_row
+    invoices = Invoice.where('created_at >= ? AND created_at <= ?', start_date, end_date).order('created_at ASC')
+    vat_totals = compute_vat_totals(invoices)
+    content << generate_rows(vat_totals, start_date, end_date)
+
+    # write content to file
+    File.open(file, "w:#{encoding}") { |f| f.puts content.encode(encoding, invalid: :replace, undef: :replace) }
+  end
+
+  private
+
+  def header_row
+    row = ''
+    columns.each do |column|
+      row << I18n.t("vat_export.#{column}") << separator
+    end
+    "#{row}\n"
+  end
+
+  def generate_rows(vat_totals, start_date, end_date)
+    rows = ''
+
+    vat_totals.each do |rate, total|
+      next if rate.zero?
+
+      rows += "#{row(
+        start_date,
+        end_date,
+        rate,
+        total
+      )}\n"
+    end
+
+    rows
+  end
+
+  def compute_vat_totals(invoices)
+    vat_total = []
+    service = VatHistoryService.new
+    invoices.each do |i|
+      puts "processing invoice #{i.id}..." unless Rails.env.test?
+      vat_total.push service.invoice_vat(i)
+    end
+
+    vat_total.map(&:values).flatten.group_by { |tot| tot[:vat_rate] }.map { |k, v| [k, v.map { |t| t[:total_vat] }.reduce(:+)] }.to_h
+  end
+
+  # Generate a row of the export, filling the configured columns with the provided values
+  def row(start_date, end_date, vat_rate, amount)
+    row = ''
+    columns.each do |column|
+      case column
+      when 'start_date'
+        row << DateTime.parse(start_date).strftime(date_format)
+      when 'end_date'
+        row << DateTime.parse(end_date).strftime(date_format)
+      when 'vat_rate'
+        row << vat_rate.to_s
+      when 'amount'
+        row << format_number(amount / 100.0)
+      else
+        puts "Unsupported column: #{column}"
+      end
+      row << separator
+    end
+    row
+  end
+
+  # Format the given number as a string, using the configured separator
+  def format_number(num)
+    number_to_currency(num, unit: '', separator: decimal_separator, delimiter: '', precision: 2)
+  end
+end

app/workers/accounting_export_worker.rb

@@ -10,7 +10,8 @@ class AccountingExportWorker
     raise SecurityError, 'Not allowed to export' unless export.user.admin?
 
     data = JSON.parse(export.query)
-    service = AccountingExportService.new(
+    service = export.export_type == 'vat' ? VatExportService : AccountingExportService
+    service = service.new(
       data['columns'],
       encoding: data['encoding'], format: export.extension, separator: export.key
     )

config/locales/app.admin.en.yml

@@ -679,9 +679,10 @@ en:
         codes_customization_success: "Customization of the accounting codes successfully saved."
         unexpected_error_occurred: "An unexpected error occurred while saving the codes. Please try again later."
         export_accounting_data: "Export accounting data"
-        export_to: "Export to the accounting software"
+        export_what: "What do you want to export?"
+        export_VAT: "Export the collected VAT"
+        export_to_ACD: "Export all data to the accounting software ACD"
         export_is_running: "Export is running. You'll be notified when it's ready."
-        acd: "ACD"
         export_form_date: "Export from"
         export_to_date: "Export until"
         format: "File format"
@@ -704,6 +705,10 @@ en:
           debit_euro: "Euro debit"
           credit_euro: "Euro credit"
           lettering: "Lettering"
+          start_date: "Start date"
+          end_date: "End date"
+          vat_rate: "VAT rate"
+          amount: "Total amount"
         payment:
           payment_settings: "Payment settings"
           online_payment: "Online payment"

config/locales/en.yml

@@ -147,6 +147,11 @@ en:
     Event_reservation: "event reserv."
     Space_reservation: "space reserv."
     wallet: "wallet"
+  vat_export:
+    start_date: "Start date"
+    end_date: "End date"
+    vat_rate: "VAT rate"
+    amount: "Total amount"
   #training availabilities
   trainings:
     i_ve_reserved: "I've reserved"
@@ -331,6 +336,7 @@ en:
         users_reservations: "of the reservations' list"
         availabilities_index: "of the reservations availabilities"
         accounting_acd: "of the accounting data to ACD"
+        accounting_vat: "of the collected VAT"
         is_over: "is over."
         download_here: "Download here"
       notify_admin_import_complete: