Extract company register

Closes #1079, #916, #1077

test/integration/api/v1/registrant/contacts/details_test.rb

@@ -0,0 +1,50 @@
+require 'test_helper'
+require 'auth_token/auth_token_creator'
+
+CompanyRegisterClientStub = Struct.new(:any_method) do
+  def representation_rights(citizen_personal_code:, citizen_country_code:)
+    raise CompanyRegister::NotAvailableError
+  end
+end
+
+class RegistrantApiV1ContactDetailsTest < ActionDispatch::IntegrationTest
+  setup do
+    @contact = contacts(:john)
+    @user = users(:registrant)
+  end
+
+  def test_returns_direct_contact_when_company_register_is_unavailable
+    assert_equal '1234', @contact.ident
+    assert_equal Contact::PRIV, @contact.ident_type
+    assert_equal 'US', @contact.ident_country_code
+    assert_equal 'US-1234', @user.registrant_ident
+
+    CompanyRegister::Client.stub(:new, CompanyRegisterClientStub.new) do
+      get api_v1_registrant_contact_path(@contact.uuid), nil, 'HTTP_AUTHORIZATION' => auth_token,
+          'Content-Type' => Mime::JSON.to_s
+    end
+
+    response_json = JSON.parse(response.body, symbolize_names: true)
+    assert_equal '1234', response_json[:ident]
+  end
+
+  def test_unmanaged_contact_cannot_be_accessed
+    assert_equal 'US-1234', @user.registrant_ident
+    @contact.update!(ident: '12345')
+
+    get api_v1_registrant_contact_path(@contact.uuid), nil, 'HTTP_AUTHORIZATION' => auth_token,
+        'Content-Type' => Mime::JSON.to_s
+
+    assert_response :not_found
+    response_json = JSON.parse(response.body, symbolize_names: true)
+    assert_equal ({ errors: [base: ['Contact not found']] }), response_json
+  end
+
+  private
+
+  def auth_token
+    token_creator = AuthTokenCreator.create_with_defaults(@user)
+    hash = token_creator.token_in_hash
+    "Bearer #{hash[:access_token]}"
+  end
+end