Created job for sending monthly invoices

app/jobs/delete_monthly_invoices_job.rb

@@ -0,0 +1,10 @@
+class DeleteMonthlyInvoicesJob < ApplicationJob
+  queue_as :default
+
+  def perform
+    @month = Time.zone.now - 1.month
+    invoices = Invoice.where(monthly_invoice: true, issue_date: @month.end_of_month.to_date,
+                             in_directo: false, e_invoice_sent_at: nil)
+    invoices.delete_all
+  end
+end

app/jobs/send_e_invoice_job.rb

@@ -17,7 +17,7 @@ class SendEInvoiceJob < ApplicationJob
   def need_to_process_invoice?(invoice:, payable:)
     logger.info "Checking if need to process e-invoice #{invoice}, payable: #{payable}"
     return false if invoice.blank?
-    return false if invoice.do_not_send_e_invoice? && payable
+    return false if invoice.do_not_send_e_invoice? && (invoice.monthly_invoice ? true : payable)
 
     true
   end

app/jobs/send_monthly_invoices_job.rb

@@ -0,0 +1,155 @@
+class SendMonthlyInvoicesJob < ApplicationJob
+  queue_as :default
+
+  def perform(dry: false)
+    @dry = dry
+    @month = Time.zone.now - 1.month
+    @directo_client = new_directo_client
+    @min_directo_num = Setting.directo_monthly_number_min.presence.try(:to_i)
+    @max_directo_num = Setting.directo_monthly_number_max.presence.try(:to_i)
+
+    send_monthly_invoices
+  end
+
+  def new_directo_client
+    DirectoApi::Client.new(ENV['directo_invoice_url'], Setting.directo_sales_agent,
+                           Setting.directo_receipt_payment_term)
+  end
+
+  def send_monthly_invoices
+    Registrar.where.not(test_registrar: true).find_each do |registrar|
+      next unless registrar.cash_account
+
+      summary = registrar.monthly_summary(month: @month)
+      next if summary.nil?
+
+      invoice = registrar.monthly_invoice(month: @month) || create_invoice(summary, registrar)
+      next if invoice.nil? || @dry
+
+      InvoiceMailer.invoice_email(invoice: invoice,
+                                  recipient: registrar.billing_email)
+                   .deliver_now
+
+      SendEInvoiceJob.set(wait: 1.minute).perform_now(invoice.id, payable: false)
+
+      next if invoice.in_directo
+
+      Rails.logger.info("[DIRECTO] Trying to send monthly invoice #{invoice.number}")
+      @directo_client = new_directo_client
+      directo_invoices = @directo_client.invoices.add_with_schema(invoice: summary,
+                                                                  schema: 'summary')
+      next unless directo_invoices.size.positive?
+
+      directo_invoices.last.number = invoice.number
+      sync_with_directo
+    end
+  end
+
+  def create_invoice(summary, registrar)
+    vat_rate = ::Invoice::VatRateCalculator.new(registrar: registrar).calculate
+    invoice = Invoice.new(
+      number: assign_monthly_number,
+      issue_date: summary['date'].to_date,
+      due_date: summary['date'].to_date,
+      currency: 'EUR',
+      description: I18n.t('invoice.monthly_invoice_description'),
+      seller_name: Setting.registry_juridical_name,
+      seller_reg_no: Setting.registry_reg_no,
+      seller_iban: Setting.registry_iban,
+      seller_bank: Setting.registry_bank,
+      seller_swift: Setting.registry_swift,
+      seller_vat_no: Setting.registry_vat_no,
+      seller_country_code: Setting.registry_country_code,
+      seller_state: Setting.registry_state,
+      seller_street: Setting.registry_street,
+      seller_city: Setting.registry_city,
+      seller_zip: Setting.registry_zip,
+      seller_phone: Setting.registry_phone,
+      seller_url: Setting.registry_url,
+      seller_email: Setting.registry_email,
+      seller_contact_name: Setting.registry_invoice_contact,
+      buyer: registrar,
+      buyer_name: registrar.name,
+      buyer_reg_no: registrar.reg_no,
+      buyer_country_code: registrar.address_country_code,
+      buyer_state: registrar.address_state,
+      buyer_street: registrar.address_street,
+      buyer_city: registrar.address_city,
+      buyer_zip: registrar.address_zip,
+      buyer_phone: registrar.phone,
+      buyer_url: registrar.website,
+      buyer_email: registrar.email,
+      reference_no: registrar.reference_no,
+      vat_rate: vat_rate,
+      monthly_invoice: true,
+      metadata: { items: summary['invoice_lines'] },
+      total: 0
+    )
+    return unless invoice.save!
+
+    update_directo_number(num: invoice.number)
+    invoice
+  end
+
+  def sync_with_directo
+    invoices_xml = @directo_client.invoices.as_xml
+
+    Rails.logger.info("[Directo] - attempting to send following XML:\n #{invoices_xml}")
+
+    res = @directo_client.invoices.deliver(ssl_verify: false)
+    process_directo_response(res.body, invoices_xml)
+  rescue SocketError, Errno::ECONNREFUSED, Timeout::Error, Errno::EINVAL, Errno::ECONNRESET,
+         EOFError, Net::HTTPBadResponse, Net::HTTPHeaderSyntaxError, Net::ProtocolError
+    Rails.logger.info('[Directo] Failed to communicate via API')
+  end
+
+  def assign_monthly_numbers
+    invoices_count = @directo_client.invoices.count
+    last_directo_num = [Setting.directo_monthly_number_last.presence.try(:to_i),
+                        @min_directo_num].compact.max || 0
+    raise 'Directo Counter is out of period!' if directo_counter_exceedable?(invoices_count,
+                                                                             last_directo_num)
+
+    @directo_client.invoices.each do |inv|
+      last_directo_num += 1
+      inv.number = last_directo_num
+    end
+  end
+
+  def assign_monthly_number
+    last_directo_num = [Setting.directo_monthly_number_last.presence.try(:to_i),
+                        @min_directo_num].compact.max || 0
+    raise 'Directo Counter is out of period!' if directo_counter_exceedable?(1, last_directo_num)
+
+    last_directo_num + 1
+  end
+
+  def directo_counter_exceedable?(invoices_count, last_directo_num)
+    return true if @max_directo_num && @max_directo_num < (last_directo_num + invoices_count)
+
+    false
+  end
+
+  def process_directo_response(body, req)
+    Rails.logger.info "[Directo] - Responded with body: #{body}"
+    Nokogiri::XML(body).css('Result').each do |res|
+      inv = Invoice.find_by(number: res.attributes['docid'].value.to_i)
+      mark_invoice_as_sent(res: res, req: req, invoice: inv)
+    end
+  end
+
+  def mark_invoice_as_sent(res:, req:, invoice: nil)
+    directo_record = Directo.new(response: res.as_json.to_h,
+                                 request: req, invoice_number: res.attributes['docid'].value.to_i)
+    directo_record.item = invoice
+    invoice.update(in_directo: true)
+
+    directo_record.save!
+  end
+
+  def update_directo_number(num:)
+    return unless num.to_i > Setting.directo_monthly_number_last.to_i
+
+    Setting.directo_monthly_number_last = num.to_i
+  end
+end

app/mailers/invoice_mailer.rb

@@ -4,6 +4,7 @@ class InvoiceMailer < ApplicationMailer
 
     subject = default_i18n_subject(invoice_number: invoice.number)
     subject << I18n.t('invoice.already_paid') if paid
+    subject << I18n.t('invoice.monthly_invoice') if invoice.monthly_invoice
     attachments["invoice-#{invoice.number}.pdf"] = invoice.as_pdf
     mail(to: recipient, subject: subject)
   end

app/models/concerns/registrar/book_keeping.rb

@@ -55,6 +55,11 @@ module Registrar::BookKeeping
                    .where(activity_type: [AccountActivity::CREATE, AccountActivity::RENEW])
   end
 
+  def monthly_invoice(month:)
+    invoices.where(monthly_invoice: true, issue_date: month.end_of_month.to_date,
+                   cancelled_at: nil).first
+  end
+
   def new_monthly_invoice_line(activity:, duration: nil)
     price = load_price(activity)
     line = {
@@ -68,7 +73,7 @@ module Registrar::BookKeeping
 
   def finalize_invoice_line(line, price:, activity:, duration:)
     yearly = price.duration.in_years.to_i >= 1
-    line['price'] = yearly ? (price.price.amount / price.duration.in_years.to_i) : price.price.amount
+    line['price'] = yearly ? (price.price.amount / price.duration.in_years.to_i).to_f : price.price.amount.to_f
     line['description'] = description_in_language(price: price, yearly: yearly)
 
     add_product_timeframe(line: line, activity: activity, duration: duration) if duration.present? && (duration > 1)

app/models/invoice.rb

@@ -32,11 +32,14 @@ class Invoice < ApplicationRecord
   # rubocop:enable Layout/LineLength
   # rubocop:enable Style/MultilineBlockLayout
   validates :due_date, :currency, :seller_name,
-            :seller_iban, :buyer_name, :items, presence: true
+            :seller_iban, :buyer_name, presence: true
+  validates :items, presence: true, unless: -> { monthly_invoice }
 
   before_create :set_invoice_number
   before_create :calculate_total, unless: :total?
   before_create :apply_default_buyer_vat_no, unless: :buyer_vat_no?
+  skip_callback :create, :before, :set_invoice_number, if: -> { monthly_invoice }
+  skip_callback :create, :before, :calculate_total, if: -> { monthly_invoice }
 
   attribute :vat_rate, ::Type::VatRate.new
 
@@ -118,7 +121,7 @@ class Invoice < ApplicationRecord
   end
 
   def subtotal
-    items.map(&:item_sum_without_vat).reduce(:+)
+    items.map(&:item_sum_without_vat).reduce(:+) || 0
   end
 
   def vat_amount
@@ -131,7 +134,11 @@ class Invoice < ApplicationRecord
   end
 
   def each(&block)
-    items.each(&block)
+    if monthly_invoice
+      metadata['items'].map { |el| OpenStruct.new(el) }.each(&block)
+    else
+      items.each(&block)
+    end
   end
 
   def as_pdf

app/models/invoice/e_invoice_generator.rb

@@ -46,10 +46,17 @@ class Invoice
           i.price = invoice_item.price
           i.quantity = invoice_item.quantity
           i.unit = invoice_item.unit
-          i.subtotal = invoice_item.subtotal
-          i.vat_rate = invoice_item.vat_rate
-          i.vat_amount = invoice_item.vat_amount
-          i.total = invoice_item.total
+          if invoice.monthly_invoice
+            i.subtotal = 0
+            i.vat_rate = 0
+            i.vat_amount = 0
+            i.total = 0
+          else
+            i.subtotal = invoice_item.subtotal
+            i.vat_rate = invoice_item.vat_rate
+            i.vat_amount = invoice_item.vat_amount
+            i.total = invoice_item.total
+          end
         end
         e_invoice_invoice_items << e_invoice_invoice_item
       end
@@ -66,9 +73,15 @@ class Invoice
         i.beneficiary_name = invoice.seller_name
         i.beneficiary_account_number = invoice.seller_iban
         i.payer_name = invoice.buyer_name
-        i.subtotal = invoice.subtotal
-        i.vat_amount = invoice.vat_amount
-        i.total = invoice.total
+        if invoice.monthly_invoice
+          i.subtotal = 0
+          i.vat_amount = 0
+          i.total = 0
+        else
+          i.subtotal = invoice.subtotal
+          i.vat_amount = invoice.vat_amount
+          i.total = invoice.total
+        end
         i.currency = invoice.currency
         i.delivery_channel = %i[internet_bank portal]
         i.payable = payable

app/models/invoice/pdf_generator.rb

@@ -14,7 +14,8 @@ class Invoice
     private
 
     def invoice_html
-      ApplicationController.render(template: 'invoice/pdf', assigns: { invoice: invoice })
+      template = invoice.monthly_invoice ? 'invoice/monthly_pdf' : 'invoice/pdf'
+      ApplicationController.render(template: template, assigns: { invoice: invoice })
     end
   end
 end

app/views/admin/invoices/show.haml

@@ -4,11 +4,12 @@
       = @invoice
   .col-sm-8
     %h1.text-right.text-center-xs
-      - if @invoice.unpaid?
-        = link_to(t(:payment_received), new_admin_bank_statement_path(invoice_id: @invoice.id), class: 'btn btn-default')
+      - unless @invoice.monthly_invoice
+        - if @invoice.unpaid?
+          = link_to(t(:payment_received), new_admin_bank_statement_path(invoice_id: @invoice.id), class: 'btn btn-default')
 
-      - if @invoice.paid? and !@invoice.cancelled?
-        = link_to(t(:cancel_payment), cancel_paid_admin_invoices_path(invoice_id: @invoice.id), method: 'post', data: { confirm: t(:are_you_sure) }, class: 'btn btn-warning')
+        - if @invoice.paid? && !@invoice.cancelled?
+          = link_to(t(:cancel_payment), cancel_paid_admin_invoices_path(invoice_id: @invoice.id), method: 'post', data: { confirm: t(:are_you_sure) }, class: 'btn btn-warning')
 
       = link_to(t('.download_btn'), download_admin_invoice_path(@invoice), class: 'btn btn-default')
       = link_to(t('.deliver_btn'), new_admin_invoice_delivery_path(@invoice), class: 'btn btn-default')

app/views/invoice/monthly_pdf.haml

@@ -0,0 +1,277 @@
+%html{lang: I18n.locale.to_s}
+  %head
+    %meta{charset: "utf-8"}
+    :css
+      .container {
+        margin: auto;
+        font-size: 12px;
+      }
+
+      .col-md-12 {
+
+      }
+
+      .col-md-6 {
+        width: 49%;
+        display: inline-block;
+      }
+
+      .col-xs-4 {
+        width: 33%;
+      }
+
+      .col-xs-2 {
+        width: 16%;
+      }
+
+      .col-md-3 {
+        width: 24%;
+        display: inline-block;
+      }
+
+      .left {
+        float: left;
+      }
+
+      .left {
+        padding-right: 5px;
+      }
+
+      .right {
+        float: right;
+      }
+
+      .text-right {
+        text-align: right;
+      }
+
+      dt {
+        float: left;
+        width: 100px;
+        clear: left;
+        text-align: right;
+        overflow: hidden;
+        text-overflow: ellipsis;
+        white-space: nowrap;
+        font-weight: bold;
+        line-height: 1.42857;
+      }
+
+      dd {
+        margin-left: 120px;
+        line-height: 1.42857;
+      }
+
+      table {
+        width: 100%;
+        border-collapse: collapse;
+        font-size: 12px;
+      }
+
+      th {
+        text-align: left;
+        border: 0px;
+        border-top: 1px solid #DDD;
+        padding: 6px;
+      }
+
+      thead th {
+        border-bottom: 2px solid #DDD;
+        border-top: 0px;
+      }
+
+      td {
+        border-top: 1px solid #DDD;
+      }
+
+      td {
+        padding: 6px;
+      }
+
+      .no-border {
+        border: 0px;
+      }
+
+      hr {
+        height: 1px;
+        border: 0;
+        color: #DDD;
+        background-color: #DDD;
+      }
+
+      .clear {
+        clear: both;
+      }
+
+      .pull-down {
+        margin-top: 50px;
+      }
+
+      #header {
+        position: relative;
+        min-height: 100px;
+      }
+
+      img {
+        width: 106px;
+        height: 102px;
+      }
+
+      #header-content {
+        position: absolute;
+        bottom: 0;
+      }
+
+      #footer {
+        position: absolute;
+        bottom: 0px;
+        width: 99%;
+      }
+
+      h1 {
+        margin-bottom: 5px;
+      }
+  %body
+    .container
+      #header.row
+        .col-sm-6.left
+          #header-content
+            %h1
+              = @invoice
+        .col-sm-6.right
+          %img{src: "#{Rails.root}/public/eis-logo-black-et.png"}
+      .clear
+      %hr
+      .row
+        .col-md-6.left
+          %h4
+            Details
+          %hr
+          %dl.dl-horizontal
+            %dt= t(:issue_date)
+            %dd= l @invoice.issue_date
+
+            - if @invoice.cancelled?
+              %dt= Invoice.human_attribute_name :cancelled_at
+              %dd= l @invoice.cancelled_at
+
+            %dt= t(:due_date)
+            - if @invoice.cancelled?
+              %dd= t(:cancelled)
+            - else
+              %dd= l @invoice.due_date
+
+            %dt= t(:issuer)
+            %dd= @invoice.seller_contact_name
+
+            - if @invoice.description.present?
+              %dt= t(:description)
+              %dd=@invoice.description
+
+            %dt= Invoice.human_attribute_name :reference_no
+            %dd= @invoice.reference_no
+
+        .col-md-6.right
+          %h4= t(:client)
+          %hr
+          %dl.dl-horizontal
+            %dt= t(:name)
+            %dd= @invoice.buyer_name
+
+            %dt= t(:reg_no)
+            %dd= @invoice.buyer_reg_no
+          
+          - if @invoice.buyer_address.present?
+            %dt= Invoice.human_attribute_name :address
+            %dd= @invoice.buyer_address
+          
+          - if @invoice.buyer_country.present?
+            %dt= t(:country)
+            %dd= @invoice.buyer_country
+          
+          - if @invoice.buyer_phone.present?
+            %dt= t(:phone)
+            %dd= @invoice.buyer_phone
+          
+          - if @invoice.buyer_url.present?
+            %dt= t(:url)
+            %dd= @invoice.buyer_url
+
+          - if @invoice.buyer_email.present?
+            %dt= t(:email)
+            %dd= @invoice.buyer_email
+
+      .clear
+      .row.pull-down
+        .col-md-12
+          .table-responsive
+            %table.table.table-hover.table-condensed
+              %thead
+                %tr
+                  %th{class: 'col-xs-1'}= t(:code)
+                  %th{class: 'col-xs-1'}= InvoiceItem.human_attribute_name :quantity
+                  %th{class: 'col-xs-1'}= t(:unit)
+                  %th{class: 'col-xs-5'}= t(:description)
+                  %th{class: 'col-xs-2'}= t(:price)
+                  %th{class: 'col-xs-2'}= t(:total)
+              %tbody
+                - @invoice.each do |invoice_item|
+                  %tr
+                    %td= invoice_item.product_id
+                    %td= invoice_item.quantity
+                    %td= invoice_item.unit
+                    %td= invoice_item.description
+                    - if invoice_item.price && invoice_item.quantity
+                      %td= currency(invoice_item.price)
+                      %td= "#{currency((invoice_item.price * invoice_item.quantity).round(3))} #{@invoice.currency}"
+                    - else 
+                      %td= ''
+                      %td= ''
+              %tfoot
+                %tr
+                  %th{colspan: 4}
+                  %th= Invoice.human_attribute_name :subtotal
+                  %td= number_to_currency(0)
+                %tr
+                  %th.no-border{colspan: 4}
+                  %th= "VAT #{number_to_percentage(@invoice.vat_rate, precision: 1)}"
+                  %td= number_to_currency(0)
+                %tr
+                  %th.no-border{colspan: 4}
+                  %th= t(:total)
+                  %td= number_to_currency(0)
+
+      #footer
+        %hr
+        .row
+          .col-md-3.left
+            = @invoice.seller_name
+            %br
+            = @invoice.seller_address
+            %br
+            = @invoice.seller_country
+            %br
+            = "#{t('reg_no')} #{@invoice.seller_reg_no}"
+            %br
+            = "#{Registrar.human_attribute_name :vat_no} #{@invoice.seller_vat_no}"
+
+          .col-md-3.left
+            = @invoice.seller_phone
+            %br
+            = @invoice.seller_email
+            %br
+            = @invoice.seller_url
+
+          .col-md-3.text-right.left
+            = t(:bank)
+            %br
+            = t(:iban)
+            %br
+            = t(:swift)
+
+          .col-md-3.left
+            = @invoice.seller_bank
+            %br
+            = @invoice.seller_iban
+            %br
+            = @invoice.seller_swift

app/views/invoice/pdf.haml

@@ -234,7 +234,7 @@
                     %td= invoice_item.unit
                     %td= invoice_item.quantity
                     %td= currency(invoice_item.price)
-                    %td= "#{currency(invoice_item.item_sum_without_vat)} #{@invoice.currency}"
+                    %td= "#{currency(invoice_item.item_sum_without_vat)} #{@invoice.currency}"  
               %tfoot
                 %tr
                   %th{colspan: 3}