Add invoice numbers

app/controllers/registrar/deposits_controller.rb

@@ -9,7 +9,7 @@ class Registrar::DepositsController < RegistrarController
     @deposit = Deposit.new(deposit_params.merge(registrar: current_user.registrar))
     @invoice = @deposit.issue_prepayment_invoice
 
-    if @invoice
+    if @invoice.persisted?
       flash[:notice] = t('please_pay_the_following_invoice')
       redirect_to [:registrar, @invoice]
     else

app/models/invoice.rb

@@ -13,6 +13,23 @@ class Invoice < ActiveRecord::Base
   validates :invoice_type, :due_date, :currency, :seller_name,
             :seller_iban, :buyer_name, :invoice_items, :vat_prc, presence: true
 
+  before_save :set_invoice_number
+  def set_invoice_number
+    last_no = Invoice.order(number: :desc).where('number IS NOT NULL').limit(1).pluck(:number).first
+
+    if last_no
+      self.number = last_no + 1
+    else
+      self.number = Setting.invoice_number_min.to_i
+    end
+
+    return if number <= Setting.invoice_number_max.to_i
+
+    errors.add(:base, I18n.t('failed_to_generate_invoice'))
+    logger.error('INVOICE NUMBER LIMIT REACHED, COULD NOT GENERATE INVOICE')
+    false
+  end
+
   def binded?
     account_activity.present?
   end
@@ -25,11 +42,6 @@ class Invoice < ActiveRecord::Base
     I18n.t('invoice_no', no: number)
   end
 
-  def number
-    # TODO: Real invoice numbers here
-    id
-  end
-
   def seller_address
     [seller_street, seller_city, seller_state, seller_zip].reject(&:blank?).compact.join(', ')
   end

app/views/admin/invoices/index.haml

@@ -19,7 +19,7 @@
         %tbody
           - @invoices.each do |x|
             %tr
-              %td= link_to(t('invoice_no', no: x.id), [:admin, x])
+              %td= link_to(x, [:admin, x])
               %td= link_to(x.buyer_name, admin_registrar_path(x.buyer_id))
               %td= l(x.due_date)
               - if x.binded?

app/views/admin/invoices/show.haml

@@ -1,7 +1,7 @@
 .row
   .col-sm-6
     %h1.text-center-xs
-      = t('invoice_no', no: @invoice.id)
+      = @invoice
   .col-sm-6
     %h1.text-right.text-center-xs
       = link_to(t('back'), :back, class: 'btn btn-default')

app/views/registrar/invoices/index.haml

@@ -3,8 +3,8 @@
   = link_to(t(:account_activity), registrar_account_activities_path, class: 'btn btn-default')
 = render 'shared/title', name: t(:your_account)
 
-= t(:your_current_account_balance_is, 
-  balance: current_user.registrar.cash_account.balance, 
+= t(:your_current_account_balance_is,
+  balance: current_user.registrar.cash_account.balance,
   currency: current_user.registrar.cash_account.currency)
 
 %h1= t(:invoices)
@@ -22,7 +22,7 @@
         %tbody
           - @invoices.each do |x|
             %tr
-              %td= link_to(t(:invoice_no, no: x.id), [:registrar, x])
+              %td= link_to(x, [:registrar, x])
               - if x.receipt_date
                 %td= l(x.receipt_date)
               - else

app/views/registrar/invoices/pdf.haml

@@ -137,7 +137,7 @@
         .col-sm-6.left
           #header-content
             %h1
-              = t(:invoice_no, no: @invoice.id)
+              = @invoice
         .col-sm-6.right
           %img{src: "#{Rails.root}/public/eis-logo-black-et.png"}
       .clear

app/views/registrar/invoices/show.haml

@@ -2,7 +2,7 @@
   = link_to(t(:download), download_pdf_registrar_invoice_path(@invoice), class: 'btn btn-default')
   = link_to(t(:forward_invoice), forward_registrar_invoice_path(@invoice), class: 'btn btn-default')
   = link_to(t(:back), :back, class: 'btn btn-default')
-= render 'shared/title', name: t(:invoice_no, no: @invoice.id)
+= render 'shared/title', name: @invoice.to_s
 
 .row
   .col-md-6= render 'registrar/invoices/partials/details'

config/initializers/initial_settings.rb

@@ -28,6 +28,8 @@ if con.present? && con.table_exists?('settings')
   Setting.save_default(:eis_bank, 'LHV Pank')
   Setting.save_default(:eis_swift, 'LHVBEE22')
   Setting.save_default(:eis_invoice_contact, 'Martti Õigus')
+  Setting.save_default(:invoice_number_min, '131050')
+  Setting.save_default(:invoice_number_max, '149999')
 end
 
 # dev only setting

db/migrate/20150423083308_add_number_to_invoices.rb

@@ -0,0 +1,6 @@
+class AddNumberToInvoices < ActiveRecord::Migration
+  def change
+    add_column :invoices, :number, :integer
+    Invoice.all.each(&:save)
+  end
+end

db/schema.rb

@@ -11,7 +11,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 20150422132631) do
+ActiveRecord::Schema.define(version: 20150423083308) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
@@ -367,6 +367,7 @@ ActiveRecord::Schema.define(version: 20150422132631) do
     t.string   "buyer_email"
     t.string   "creator_str"
     t.string   "updator_str"
+    t.integer  "number"
   end
 
   add_index "invoices", ["buyer_id"], name: "index_invoices_on_buyer_id", using: :btree