Fixed that default locale templates should be used if the current loc…

…ale template is missing [DHH]

actionpack/CHANGELOG

@@ -1,5 +1,7 @@
 *Edge*
 
+* Fixed that default locale templates should be used if the current locale template is missing [DHH]
+
 * Fixed that PrototypeHelper#update_page should return html_safe [DHH]
 
 * Fixed that much of DateHelper wouldn't return html_safe? strings [DHH]

actionpack/lib/action_view/paths.rb

@@ -47,15 +47,23 @@ def find_template(original_template_path, format = nil, html_fallback = true)
       each do |load_path|
         if format && (template = load_path["#{template_path}.#{I18n.locale}.#{format}"])
           return template
+        # Try the default locale version if the current locale doesn't have one
+        # (i.e. you haven't translated this view to German yet, but you have the English version on hand)
+        elsif format && (template = load_path["#{template_path}.#{I18n.default_locale}.#{format}"]) 
+          return template
         elsif format && (template = load_path["#{template_path}.#{format}"])
           return template
         elsif template = load_path["#{template_path}.#{I18n.locale}"]
           return template
+        elsif template = load_path["#{template_path}.#{I18n.default_locale}"]
+          return template
         elsif template = load_path[template_path]
           return template
         # Try to find html version if the format is javascript
         elsif format == :js && html_fallback && template = load_path["#{template_path}.#{I18n.locale}.html"]
           return template
+        elsif format == :js && html_fallback && template = load_path["#{template_path}.#{I18n.default_locale}.html"]
+          return template
         elsif format == :js && html_fallback && template = load_path["#{template_path}.html"]
           return template
         end

actionpack/test/controller/localized_templates_test.rb

@@ -0,0 +1,22 @@
+require 'abstract_unit'
+
+class LocalizedController < ActionController::Base
+  def hello_world
+  end
+end
+
+class LocalizedTemplatesTest < ActionController::TestCase
+  tests LocalizedController
+
+  def test_localized_template_is_used
+    I18n.locale = :de
+    get :hello_world
+    assert_equal "Gutten Tag", @response.body
+  end
+
+  def test_default_locale_template_is_used_when_locale_is_missing
+    I18n.locale = :dk
+    get :hello_world
+    assert_equal "Hello World", @response.body
+  end
+end

actionpack/test/fixtures/localized/hello_world.de.html

@@ -0,0 +1 @@
+Gutten Tag

actionpack/test/fixtures/localized/hello_world.en.html

@@ -0,0 +1 @@
+Hello World