Added e-invoicing feature to invoices

app/controllers/eis_billing/e_invoice_response_controller.rb

@@ -0,0 +1,17 @@
+module EisBilling
+  class EInvoiceResponseController < EisBilling::BaseController
+    def update
+      invoice_number = params[:invoice_number]
+
+      mark_e_invoice_sent_at(invoice_number)
+      render status: :ok, json: { message: 'Response received' }
+    end
+
+    private
+
+    def mark_e_invoice_sent_at(invoice_number)
+      invoice = ::Invoice.find_by(number: invoice_number)
+      invoice.update(e_invoice_sent_at: Time.zone.now)
+    end
+  end
+end

app/controllers/invoices_controller.rb

@@ -91,6 +91,17 @@ def oneoff
     end
   end
 
+  def send_e_invoice
+    invoice = Invoice.accessible_by(current_ability).find_by!(uuid: params[:uuid])
+    response = EisBilling::SendEInvoice.call(invoice: invoice, payable: false)
+
+    if response.result?
+      redirect_to invoice_path(invoice.uuid), notice: t('.sent_to_omniva')
+    else
+      redirect_to invoice_path(invoice.uuid), alert: response.errors
+    end
+  end
+
   def update_predicate
     @invoice.issued? && @invoice.update(update_params)
   end

app/models/concerns/invoice/book_keeping.rb

@@ -12,6 +12,88 @@ def as_directo_json
     invoice
   end
 
+  def e_invoice_data
+    invoice = as_json(only: %i[id issue_date due_date number])
+    invoice['seller_name'] = seller_contact_name
+    invoice['seller_reg_no'] = seller_reg_no
+    invoice['seller_vat_no'] = seller_vat_no
+    invoice['seller_street'] = seller_street
+    invoice['seller_state'] = seller_state
+    invoice['seller_zip'] = seller_zip
+    invoice['seller_city'] = seller_city
+    invoice['seller_country_code'] = seller_country_code
+    invoice['buyer_name'] = billing_name
+    invoice['buyer_vat_no'] = billing_vat_code
+    invoice['buyer_street'] = street
+    invoice['buyer_state'] = state
+    invoice['buyer_zip'] = postal_code
+    invoice['buyer_city'] = city
+    invoice['buyer_country_code'] = billing_alpha_two_country_code
+    invoice['total'] = total.to_f + (enable_deposit? ? deposit : 0.0)
+    invoice['vat_rate'] = vat_rate * 100
+    invoice['currency'] = Setting.find_by(code: 'auction_currency').retrieve
+
+    invoice
+  end
+
+  def e_invoice_sent?
+    e_invoice_sent_at.present?
+  end
+
+  def do_not_send_e_invoice?
+    e_invoice_sent? || cancelled?
+  end
+
+  def seller_contact_name
+    Setting.find_by(code: 'invoice_issuer').retrieve
+  end
+
+  def seller_address
+    country_name = Countries.name_from_alpha2_code(seller_country_code)
+    [
+      seller_street,
+      seller_state,
+      seller_zip,
+      country_name,
+      seller_city
+    ].reject(&:blank?).compact.join(', ')
+  end
+
+  def seller_reg_no
+    Setting.find_by(code: 'invoice_issuer_reg_no').retrieve
+  end
+
+  def seller_vat_no
+    Setting.find_by(code: 'invoice_issuer_vat_no').retrieve
+  end
+
+  def seller_street
+    Setting.find_by(code: 'invoice_issuer_street').retrieve
+  end
+
+  def seller_city
+    Setting.find_by(code: 'invoice_issuer_city').retrieve
+  end
+
+  def seller_zip
+    Setting.find_by(code: 'invoice_issuer_zip').retrieve
+  end
+
+  def seller_country_code
+    Setting.find_by(code: 'invoice_issuer_country_code').retrieve
+  end
+
+  def seller_state
+    Setting.find_by(code: 'invoice_issuer_state').retrieve
+  end
+
+  def issuer
+    "#{seller_contact_name}, #{seller_address}, " \
+     "Reg. no #{seller_reg_no}, VAT number #{seller_vat_no}"
+  end
+
+  private
+
   def compose_invoice_meta(invoice)
     invoice['issue_date'] = issue_date.strftime('%Y-%m-%d')
     invoice['transaction_date'] = paid_at.strftime('%Y-%m-%d')
@@ -36,12 +118,14 @@ def compose_directo_customer
   end
 
   def compose_directo_product
-    [{ 'product_id': 'OKSJON',
+    [
+      { 'product_id': 'OKSJON',
         'description': result.auction.domain_name,
         'quantity': 1,
         'unit': 1,
         'price': ActionController::Base.helpers.number_with_precision(
           price.amount, precision: 2, separator: '.'
-        ) }].as_json
+        ) }
+    ].as_json
   end
 end

app/services/application_service.rb

@@ -0,0 +1,6 @@
+# app/services/application_service.rb
+class ApplicationService
+  def self.call(*args, &block)
+    new(*args, &block).call
+  end
+end

app/services/eis_billing/send_e_invoice.rb

@@ -0,0 +1,53 @@
+module EisBilling
+  class SendEInvoice < ApplicationService
+    include EisBilling::Request
+    include EisBilling::BaseService
+
+    attr_reader :invoice, :payable
+
+    def initialize(invoice:, payable:)
+      @invoice = invoice
+      @payable = payable
+    end
+
+    def call
+      prepared_data = {
+        invoice: invoice.e_invoice_data,
+        vat_amount: invoice.vat.amount,
+        invoice_subtotal: invoice.price.amount,
+        buyer_billing_email: invoice.user&.email,
+        payable: payable,
+        initiator: INITIATOR,
+        items: prepare_items(invoice)
+      }
+
+      struct_response(post(e_invoice_url, prepared_data))
+    end
+
+    private
+
+    def prepare_items(invoice)
+      invoice.items.map do |invoice_item|
+        {
+          description: item_description(invoice.result),
+          price: invoice_item.price.amount,
+          quantity: 1,
+          unit: 'piece',
+          subtotal: invoice_item.price.amount,
+          vat_rate: invoice.vat_rate.to_f * 100,
+          vat_amount: invoice.vat.amount,
+          total: invoice.total.to_f,
+        }
+      end
+    end
+
+    def e_invoice_url
+      '/api/v1/e_invoice/e_invoice'
+    end
+
+    def item_description(result)
+      I18n.t('invoice_items.name', domain_name: result.auction.domain_name,
+                                   auction_end: result.auction.ends_at.to_date)
+    end
+  end
+end

app/views/common/pdf.html.erb

@@ -192,7 +192,7 @@
                             <%= t('invoices.issuer') %>
                         </dt>
                         <dd>
-                            <%= Setting.find_by(code: 'invoice_issuer').retrieve %>
+                            <%= @invoice.issuer %>
                         </dd>
                         <dt>
                             <%= t('invoices.number') %>
@@ -301,7 +301,7 @@
                 <hr/>
                 <div class="row">
                     <div class="col-md-6 left">
-                        <%= Setting.find_by(code: 'invoice_issuer').retrieve %>
+                        <%= @invoice.issuer %>
                     </div>
                 </div>
             </div>

app/views/invoices/show.html.erb

@@ -27,15 +27,15 @@
         <div class="ui list">
           <div class="item">
             <div class="header"><%= t('invoices.issuer') %></div>
-              <%= Setting.find_by(code: 'invoice_issuer').retrieve %>
-            </div>
+            <%= @invoice.issuer %>
+          </div>
           <div class="item">
             <div class="header"><%= t('invoices.issue_date') %></div>
-              <%= @invoice.issue_date %>
+            <%= @invoice.issue_date %>
             </div>
           <div class="item">
             <div class="header"><%= t('invoices.due_date') %></div>
-              <%= @invoice.due_date %>
+            <%= @invoice.due_date %>
             </div>
           <% if @invoice.paid? %>
             <div class="item">
@@ -62,8 +62,8 @@
                 <td><%= index + 1 %></td>
                 <td>
                   <%= I18n.t('invoice_items.name',
-                                   domain_name: item.invoice.result.auction.domain_name,
-                                   auction_end: item.invoice.result.auction.ends_at.to_date) %>
+                                   domain_name: @invoice.result.auction.domain_name,
+                                   auction_end: @invoice.result.auction.ends_at.to_date) %>
                 </td>
                 <td></td>
                 <td><%= item.price %></td>
@@ -104,10 +104,18 @@
         </table>
       </div>
       <% if @invoice.payable? %>
-        <div>
+        <div class="column">
           <%= button_to t('invoices.show.pay'), oneoff_invoice_path(uuid: @invoice.uuid), class: 'ui button primary' %>
         </div>
       <% end %>
+      <div class="column right aligned">
+        <% if @invoice.do_not_send_e_invoice? %>
+          <a href="https://eservice.omniva.eu" target="_blank"><img src="/images/finbite.png" alt="EInvoice" style="height:40px;"/></a>
+        <% else %>
+          <%= button_to t('invoices.show.send_e_invoice'), send_e_invoice_path(uuid: @invoice.uuid), class: 'ui button default', data: { turbo: false } %>
+        <% end %>
+      </div>
+      </div>
     </div>
   </div>
 </div>

config/customization.yml.sample

@@ -1,14 +1,4 @@
 default: &default
-  billing_system_integration:
-    enabled: true
-    #eis_billing_system_base_url_dev: 'http://eis_billing_system:3000'
-    #eis_billing_system_base_url_staging: 'https://st-billing.infra.tld.ee'
-    eis_billing_system_base_url: 'http://eis_billing_system:3000'
-    secret_access_word: 'please-Give-Me-accesS'
-    secret_word: 'this-secret-should-be-change'
-    billing_system_integrated: 'true'
-
-    billing_secret: '0fb3661d89134de0cbcdd6b29780e23f2ec05e744c4d15feb381b1e7d7549d5ec960989c6471c9a31835ee455865cf7b2641529ae7cf1e6b4c3675f6361e98d0'
   # This is your application name, as displayed in the UI
   application_name: "EIS Auction Center"
 
@@ -124,7 +114,6 @@ default: &default
     secret_word: 'this-secret-should-be-change'
     billing_system_integrated: 'true'
     billing_secret: ''
-    test_env: false
 
 development:
   <<: *default

config/locales/invoices.en.yml

@@ -26,6 +26,7 @@ en:
     paid_through: "Paid through"
     deposit: "Deposit"
     amount_due: "Amount due"
+    sent_to_omniva: "E-Invoice was successfully sent"
 
     outstanding: "Outstanding invoices"
     paid: "Paid invoices"
@@ -49,6 +50,7 @@ en:
       change_billing_profile: "Change billing profile"
       pay: "Pay"
       redeem: Paying for cancelled invoice will redeem the violation but will not grant priority right to register that domain
+      send_e_invoice: "Send E-Invoice"
 
     edit:
       title: "Edit your invoice"

config/locales/invoices.et.yml

@@ -26,6 +26,7 @@ et:
     paid_through: "Makseviis"
     deposit: "Ettemaks"
     amount_due: "Tasuda"
+    sent_to_omniva: "E-arve saadeti edukalt"
 
     outstanding: "Tasumata arved"
     paid: "Tasutud arved"
@@ -49,6 +50,7 @@ et:
       change_billing_profile: "Muuda arve aadressi"
       pay: "Maksa"
       redeem: Tühistatud arve tasumine eemaldab vastava arvega seotud rikkumise, kuid ei anna vastava domeeni registreerimiseks eelisõigust.
+      send_e_invoice: "Saada E-Arve"
 
     edit:
       title: "Muuda arvet"

config/routes.rb

@@ -38,6 +38,7 @@
   namespace :eis_billing, defaults: { format: 'json' } do
     put '/payment_status', to: 'payment_status#update', as: 'payment_status'
     put '/directo_response', to: 'directo_response#update', as: 'directo_response'
+    put '/e_invoice_response', to: 'e_invoice_response#update', as: 'e_invoice_response'
   end
 
   namespace :admin, constraints: Constraints::Administrator.new do
@@ -90,11 +91,11 @@
   resources :billing_profiles, param: :uuid
   match '/status', via: :get, to: 'health_checks#index'
 
-
   resources :invoices, only: %i[show edit update index], param: :uuid do
     member do
       get 'download'
       post 'oneoff'
+      post 'send_e_invoice', as: :send_e
     end
 
     collection do