Make ERB generators more flexible and customizable.

railties/lib/generators/erb.rb

@@ -3,6 +3,19 @@ require 'rails/generators/named_base'
 module Erb
   module Generators
     class Base < Rails::Generators::NamedBase #:nodoc:
+      protected
+
+      def format
+        :html
+      end
+
+      def handler
+        :erb
+      end
+
+      def filename_with_extensions(name)
+        [name, format, handler].compact.join(".")
+      end
     end
   end
 end

railties/lib/generators/erb/controller/controller_generator.rb

@@ -5,15 +5,13 @@ module Erb
     class ControllerGenerator < Base
       argument :actions, :type => :array, :default => [], :banner => "action action"
 
-      def create_view_files
+      def copy_view_files
         base_path = File.join("app/views", class_path, file_name)
         empty_directory base_path
 
         actions.each do |action|
-          @action = action
-          @path   = File.join(base_path, "#{action}.html.erb")
-
-          template 'view.html.erb', @path
+          @action, @path = action, File.join(base_path, action)
+          template filename_with_extensions(:view), filename_with_extensions(@path)
         end
       end
     end

railties/lib/generators/erb/mailer/mailer_generator.rb

@@ -1,19 +1,12 @@
-require 'generators/erb'
+require 'generators/erb/controller/controller_generator'
 
 module Erb
   module Generators
-    class MailerGenerator < Base
-      argument :actions, :type => :array, :default => [], :banner => "method method"
+    class MailerGenerator < ControllerGenerator
+      protected
 
-      def create_view_folder
-        empty_directory File.join("app/views", file_path)
-      end
-
-      def create_view_files
-        actions.each do |action|
-          @action, @path = action, File.join(file_path, action)
-          template "view.text.erb", File.join("app/views", "#{@path}.text.erb")
-        end
+      def format
+        :text
       end
     end
   end

railties/lib/generators/erb/scaffold/scaffold_generator.rb

@@ -15,39 +15,27 @@ module Erb
         empty_directory File.join("app/views", controller_file_path)
       end
 
-      def copy_index_file
-        return if options[:singleton]
-        copy_view :index
-      end
+      def copy_view_files
+        views = available_views
+        views.delete("index") if options[:singleton]
 
-      def copy_edit_file
-        copy_view :edit
-      end
-
-      def copy_show_file
-        copy_view :show
-      end
-
-      def copy_new_file
-        copy_view :new
-      end
-
-      def copy_form_file
-        copy_view :_form
+        views.each do |view|
+          filename = filename_with_extensions(view)
+          template filename, File.join("app/views", controller_file_path, filename)
+        end
       end
 
       def copy_layout_file
         return unless options[:layout]
-        template "layout.html.erb",
-                 File.join("app/views/layouts", controller_class_path, "#{controller_file_name}.html.erb")
+        template filename_with_extensions(:layout),
+          File.join("app/views/layouts", controller_class_path, filename_with_extensions(controller_file_name))
       end
 
-      protected
-
-        def copy_view(view)
-          template "#{view}.html.erb", File.join("app/views", controller_file_path, "#{view}.html.erb")
-        end
+    protected
 
+      def available_views
+        %w(index edit show new _form)
+      end
     end
   end
 end

railties/test/generators/mailer_generator_test.rb

@@ -29,19 +29,19 @@ class MailerGeneratorTest < Rails::Generators::TestCase
   def test_invokes_default_test_framework
     run_generator
     assert_file "test/functional/notifier_test.rb", /class NotifierTest < ActionMailer::TestCase/
-    assert_file "test/fixtures/notifier/foo", /app\/views\/notifier\/foo/
-    assert_file "test/fixtures/notifier/bar", /app\/views\/notifier\/bar/
+    assert_file "test/fixtures/notifier/foo", /app\/views\/notifier\/foo$/
+    assert_file "test/fixtures/notifier/bar", /app\/views\/notifier\/bar$/
   end
 
   def test_invokes_default_template_engine
     run_generator
     assert_file "app/views/notifier/foo.text.erb" do |view|
-      assert_match /app\/views\/notifier\/foo/, view
+      assert_match /app\/views\/notifier\/foo$/, view
       assert_match /<%= @greeting %>/, view
     end
 
     assert_file "app/views/notifier/bar.text.erb" do |view|
-      assert_match /app\/views\/notifier\/bar/, view
+      assert_match /app\/views\/notifier\/bar$/, view
       assert_match /<%= @greeting %>/, view
     end
   end