added API endpoint returning translations for requested locale

app/controllers/translator/translations_controller.rb

@@ -75,6 +75,20 @@ def destroy
       redirect_to :back unless request.xhr?
     end
 
+    def locale
+      I18n.locale = params[:loc] || I18n.default_locale
+
+      keys = Translator.keys_for_strings
+      translations = Hash[keys.map { |key|
+        [
+          key,
+          begin I18n.t key; rescue; end
+        ]
+      }]
+
+      render json: translations
+    end
+
     private
 
     def auth

config/routes.rb

@@ -3,6 +3,7 @@
     collection do
       get :export
       post :import
+      get 'locale/:loc', to: 'translations#locale', as: :by_locale, defaults: { format: 'json' }
     end
   end
 end

spec/controller/translator/translations_controller_spec.rb

@@ -0,0 +1,21 @@
+require_relative '../../spec_helper'
+
+describe Translator::TranslationsController, type: :controller do
+
+  before :each do
+    Translator.current_store = Translator::RedisStore.new(Redis.new)
+    I18n.backend = Translator.setup_backend(I18n::Backend::Simple.new)
+    Translator.current_store.clear_database
+  end
+
+  describe 'by_locale' do
+    it "has endpoint returning translations in JSON format" do
+      get 'locale', loc: 'en', use_route: :translator
+      json = JSON.parse(response.body)
+      Translator.keys_for_strings.each do |key|
+        expect(json).to have_key(key)
+      end
+    end
+  end
+end
+

spec/spec_helper.rb

@@ -23,6 +23,7 @@
   # methods or matchers
   require 'rspec/expectations'
   config.include RSpec::Matchers
+  config.include Rails.application.routes.url_helpers
 
   # == Mock Framework
   config.mock_with :rspec