Introduce kind and reg_no contact's attributes

#266

app/models/contact.rb

@@ -15,6 +15,7 @@ class Contact < ActiveRecord::Base
   has_paper_trail class_name: "ContactVersion", meta: { children: :children_log }
 
   attr_accessor :legal_document_id
+  alias_attribute :kind, :ident_type
 
   accepts_nested_attributes_for :legal_documents
 
@@ -583,4 +584,9 @@ class Contact < ActiveRecord::Base
       self[attr_name.to_sym] = nil
     end
   end
+
+  def reg_no
+    return if priv?
+    ident
+  end
 end

spec/factories/contact.rb

@@ -12,5 +12,14 @@ FactoryGirl.define do
     ident_type 'priv'
     ident_country_code 'EE'
     registrar
+
+    factory :contact_private_entity do
+      ident_type 'priv'
+    end
+
+    factory :contact_legal_entity do
+      ident_type 'org'
+      ident '12345678' # valid reg no for .ee
+    end
   end
 end

spec/models/contact_spec.rb

@@ -361,6 +361,8 @@ describe Contact, '.destroy_orphans' do
 end
 
 RSpec.describe Contact, db: false do
+  it { is_expected.to alias_attribute(:kind, :ident_type) }
+
   describe '::names' do
     before :example do
       expect(described_class).to receive(:pluck).with(:name).and_return('names')
@@ -463,4 +465,20 @@ RSpec.describe Contact, db: false do
       expect(address_removed).to be_truthy
     end
   end
+
+  describe '#reg_no' do
+    subject(:reg_no) { contact.reg_no }
+
+    context 'when contact is legal entity' do
+      let(:contact) { FactoryGirl.build_stubbed(:contact_legal_entity, ident: '1234') }
+
+      specify { expect(reg_no).to eq('1234') }
+    end
+
+    context 'when contact is private entity' do
+      let(:contact) { FactoryGirl.build_stubbed(:contact_private_entity, ident: '1234') }
+
+      specify { expect(reg_no).to be_nil }
+    end
+  end
 end