Ensure asset cache directories are automatically created. Closes #10337.

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@8366 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

actionpack/CHANGELOG

 *SVN*
 
+* Ensure asset cache directories are automatically created.  #10337 [Josh Peek]
+
 * render :xml and :json preserve custom content types.  #10388 [jmettraux, Chu Yeow]
 
 * Refactor Action View template handlers.  #10437 [Josh Peek]
@@ -8,6 +10,7 @@
 
 * Clean up some cruft around ActionController::Base#head.  Closes #10417 [ssoroka]
 
+
 *2.0.1* (December 7th, 2007)
 
 * Fixed send_file/binary_content for testing #8044 [tolsen]

actionpack/lib/action_view/helpers/asset_tag_helper.rb

@@ -201,23 +201,10 @@ def javascript_include_tag(*sources)
           joined_javascript_name = (cache == true ? "all" : cache) + ".js"
           joined_javascript_path = File.join(JAVASCRIPTS_DIR, joined_javascript_name)
 
-          if !file_exist?(joined_javascript_path)
-            File.open(joined_javascript_path, "w+") do |cache|
-              javascript_paths = expand_javascript_sources(sources).collect do |source|
-                compute_public_path(source, 'javascripts', 'js', false)
-              end
-
-              cache.write(join_asset_file_contents(javascript_paths))
-            end
-          end
-
-          content_tag("script", "", {
-            "type" => Mime::JS, "src" => path_to_javascript(joined_javascript_name)
-          }.merge(options))
+          write_asset_file_contents(joined_javascript_path, compute_javascript_paths(sources))
+          javascript_tag(joined_javascript_name, options)
         else
-          expand_javascript_sources(sources).collect do |source|
-            content_tag("script", "", { "type" => Mime::JS, "src" => path_to_javascript(source) }.merge(options))
-          end.join("\n")
+          expand_javascript_sources(sources).collect { |source| javascript_tag(source, options) }.join("\n")
         end
       end
 
@@ -311,28 +298,10 @@ def stylesheet_link_tag(*sources)
           joined_stylesheet_name = (cache == true ? "all" : cache) + ".css"
           joined_stylesheet_path = File.join(STYLESHEETS_DIR, joined_stylesheet_name)
 
-          if !file_exist?(joined_stylesheet_path)
-            File.open(joined_stylesheet_path, "w+") do |cache|
-              stylesheet_paths = expand_stylesheet_sources(sources).collect do |source|
-                compute_public_path(source, 'stylesheets', 'css', false) 
-              end
-
-              cache.write(join_asset_file_contents(stylesheet_paths))
-            end
-          end
-
-          tag("link", {
-            "rel" => "stylesheet", "type" => Mime::CSS, "media" => "screen",
-            "href" => html_escape(path_to_stylesheet(joined_stylesheet_name))
-          }.merge(options), false, false)
+          write_asset_file_contents(joined_stylesheet_path, compute_stylesheet_paths(sources))
+          stylesheet_tag(joined_stylesheet_name, options)
         else
-          options.delete("cache")
-
-          expand_stylesheet_sources(sources).collect do |source|
-            tag("link", {
-              "rel" => "stylesheet", "type" => Mime::CSS, "media" => "screen", "href" => html_escape(path_to_stylesheet(source))
-            }.merge(options), false, false)
-          end.join("\n")
+          expand_stylesheet_sources(sources).collect { |source| stylesheet_tag(source, options) }.join("\n")
         end
       end
 
@@ -492,7 +461,23 @@ def rewrite_asset_path!(source)
           source << "?#{asset_id}" if !asset_id.blank?
         end
 
-        def expand_javascript_sources(sources)          
+        def javascript_tag(source, options)
+          content_tag("script", "", { "type" => Mime::JS, "src" => path_to_javascript(source) }.merge(options))
+        end
+
+        def stylesheet_tag(source, options)
+          tag("link", { "rel" => "stylesheet", "type" => Mime::CSS, "media" => "screen", "href" => html_escape(path_to_stylesheet(source)) }.merge(options), false, false)
+        end
+
+        def compute_javascript_paths(sources)
+          expand_javascript_sources(sources).collect { |source| compute_public_path(source, 'javascripts', 'js', false) }
+        end
+
+        def compute_stylesheet_paths(sources)
+          expand_stylesheet_sources(sources).collect { |source| compute_public_path(source, 'stylesheets', 'css', false) }
+        end
+
+        def expand_javascript_sources(sources)
           case
           when sources.include?(:all)
             all_javascript_files = Dir[File.join(JAVASCRIPTS_DIR, '*.js')].collect { |file| File.basename(file).split(".", 0).first }.sort
@@ -521,6 +506,13 @@ def expand_stylesheet_sources(sources)
         def join_asset_file_contents(paths)
           paths.collect { |path| File.read(File.join(ASSETS_DIR, path.split("?").first)) }.join("\n\n")
         end
+
+        def write_asset_file_contents(joined_asset_path, asset_paths)
+          unless file_exist?(joined_asset_path)
+            FileUtils.mkdir_p(File.dirname(joined_asset_path))
+            File.open(joined_asset_path, "w+") { |cache| cache.write(join_asset_file_contents(asset_paths)) }
+          end
+        end
     end
   end
 end