Support Ember.Service as ES6 module syntax

lib/ember_rails.rb

@@ -18,7 +18,7 @@ class Railtie < ::Rails::Railtie
       config.ember = ActiveSupport::OrderedOptions.new
       config.ember.module_prefix = 'ember-app'
       config.ember.prefix_files = %w(store router)
-      config.ember.prefix_dirs = %w(models controllers views routes components helpers mixins serializers adapters transforms)
+      config.ember.prefix_dirs = %w(models controllers views routes components helpers mixins services serializers adapters transforms)
 
       generators do |app|
         app.config.generators.assets = false

lib/generators/ember/service_generator.rb

@@ -0,0 +1,23 @@
+require 'generators/ember/generator_helpers'
+
+module Ember
+  module Generators
+    class ServiceGenerator < ::Rails::Generators::NamedBase
+      include Ember::Generators::GeneratorHelpers
+
+      source_root File.expand_path("../../templates", __FILE__)
+
+      desc "Creates a new Ember.js service"
+
+      class_option :javascript_engine, :desc => "Engine for JavaScripts"
+      class_option :ember_path, :type => :string, :aliases => "-d", :default => false, :desc => "Custom ember app path"
+      class_option :app_name, :type => :string, :aliases => "-n", :default => false, :desc => "Custom ember app name"
+
+      def create_service_files
+        file_path = File.join(ember_path, 'services', class_path, "#{file_name.dasherize}.#{engine_extension}")
+
+        template "service.#{engine_extension}", file_path
+      end
+    end
+  end
+end

lib/generators/templates/service.coffee

@@ -0,0 +1,3 @@
+<%= application_name.camelize %>.<%= class_name %>Service = Ember.Service.extend({
+
+})

lib/generators/templates/service.em

@@ -0,0 +1 @@
+class <%= application_name.camelize %>.<%= class_name %>Service extends Ember.Service

lib/generators/templates/service.js

@@ -0,0 +1,3 @@
+<%= application_name.camelize %>.<%= class_name %>Service = Ember.Service.extend({
+
+});

lib/generators/templates/service.module.es6

@@ -0,0 +1,5 @@
+import Ember from 'ember';
+
+export default Ember.Service.extend({
+
+});

test/dummy/app/assets/javascripts/services/user.module.es6

@@ -0,0 +1,5 @@
+import Ember from 'ember';
+
+export default Ember.Service.extend({
+
+});

test/es6_module_test.rb

@@ -2,7 +2,7 @@
 
 class Es6ModuleTest < IntegrationTest
 
-  %w(models controllers views routes components helpers mixins serializers adapters transforms).each do |type|
+  %w(models controllers views routes components helpers mixins services serializers adapters transforms).each do |type|
     test "#{type} type module should be registered with module_prefix" do
       get "/assets/#{type}/user.js"
       assert_response :success

test/generators/service_generator_test.rb

@@ -0,0 +1,76 @@
+require 'test_helper'
+require 'generators/ember/service_generator'
+
+class ServiceGeneratorTest < Rails::Generators::TestCase
+  tests Ember::Generators::ServiceGenerator
+
+  destination File.join(Rails.root, "tmp", "generator_test_output")
+  setup :prepare_destination
+
+  def copy_directory(dir)
+    source = Rails.root.join(dir)
+    dest = Rails.root.join("tmp", "generator_test_output", File.dirname(dir))
+
+    FileUtils.mkdir_p dest
+    FileUtils.cp_r source, dest
+  end
+
+  def prepare_destination
+    super
+
+    copy_directory "app/assets/javascripts"
+    copy_directory "config"
+  end
+
+  %w(js coffee em es6).each do |engine|
+
+    test "create service with #{engine} engine" do
+      run_generator ["session","--javascript-engine=#{engine}"]
+      assert_file "app/assets/javascripts/services/session.#{engine_to_extension(engine)}"
+    end
+
+    test "create namespaced service with #{engine} engine" do
+      run_generator ["user/session","--javascript-engine=#{engine}"]
+      assert_file "#{ember_path}/services/user/session.#{engine_to_extension(engine)}", /UserSessionService|export default Ember\.Service\.extend/
+    end
+  end
+
+  test "Assert files are properly created" do
+    run_generator %w(session)
+    assert_file "#{ember_path}/services/session.js"
+  end
+
+  test "Assert files are properly created with custom path" do
+    custom_path = ember_path("custom")
+    run_generator [ "session", "-d", custom_path ]
+    assert_file "#{custom_path}/services/session.js"
+  end
+
+  test "Assert files are properly created with custom app name" do
+    run_generator [ "session", "-n", "MyApp" ]
+    assert_file "#{ember_path}/services/session.js", /MyApp\.SessionService/
+  end
+
+  test "Uses config.ember.app_name as the app name" do
+    begin
+      old, ::Rails.configuration.ember.app_name = ::Rails.configuration.ember.app_name, 'MyApp'
+
+      run_generator %w(session)
+      assert_file "#{ember_path}/services/session.js", /MyApp\.SessionService/
+    ensure
+      ::Rails.configuration.ember.app_name = old
+    end
+  end
+
+  private
+
+  def ember_path(custom_path = nil)
+   "app/assets/javascripts/#{custom_path}".chomp('/')
+  end
+
+  def engine_to_extension(engine)
+    engine = "module.#{engine}" if engine == 'es6'
+    engine
+  end
+
+end