Add method CountryState#display_name

app/models/country_state.rb

@@ -8,4 +8,10 @@ class CountryState < ApplicationRecord
   validates :english_name, presence: true, uniqueness: true
 
   validates :native_name, presence: true, uniqueness: true
+
+  def display_name
+    return native_name if I18n.locale == :ru
+
+    english_name
+  end
 end

app/views/accounts/show.html.erb

@@ -28,8 +28,10 @@
       <% if @account.person&.regional_office %>
         <div class="mb-2">
           <i class="fas fa-map-marker-alt"></i>
-          <%= link_to @account.person.regional_office.country_state.native_name,
-                      @account.person.regional_office.country_state %>
+          <%= link_to(
+                @account.person.regional_office.country_state.display_name,
+                @account.person.regional_office.country_state,
+              ) %>
         </div>
       <% end %>
 

spec/models/country_state_spec.rb

@@ -24,4 +24,38 @@ RSpec.describe CountryState do
 
   it { is_expected.to validate_uniqueness_of :english_name }
   it { is_expected.to validate_uniqueness_of :native_name }
+
+  describe '#display_name' do
+    subject { create :country_state, native_name: Faker::Address.unique.state }
+
+    around do |example|
+      I18n.with_locale locale do
+        example.run
+      end
+    end
+
+    context 'when locale is "en"' do
+      let(:locale) { :en }
+
+      specify do
+        expect(subject.display_name).to eq subject.english_name
+      end
+
+      specify do
+        expect(subject.display_name).not_to eq subject.native_name
+      end
+    end
+
+    context 'when locale is "ru"' do
+      let(:locale) { :ru }
+
+      specify do
+        expect(subject.display_name).to eq subject.native_name
+      end
+
+      specify do
+        expect(subject.display_name).not_to eq subject.english_name
+      end
+    end
+  end
 end