lib/hyperloop/application.rb in hyperloop-0.0.2 vs lib/hyperloop/application.rb in hyperloop-0.0.3

@@ -1,45 +1,85 @@
-require 'rack'
+require "rack"
+require "sprockets"
+require "yui/compressor"
 
 module Hyperloop
   class Application
     include Rack::Utils
 
     def initialize(root=nil)
-      @root       = root
-      @views_path = File.join([@root, 'app/views'].compact)
+      @root          = root
+      @view_registry = View::Registry.new(@root)
     end
 
     # Rack call interface.
     def call(env)
       request  = Rack::Request.new(env)
       response = Response.new
-      path     = view_path(request)
 
-      if File.exist?(path)
-        # If there's a file at the view path, use its data as the response body.
-        data = File.read(path)
+      if self.class.asset_path?(request.path) && asset = assets[normalized_asset_path(request.path)]
+        # If the path is for an asset, find the specified asset and use its data
+        # as the response body.
+        response["Content-Type"] = asset.content_type
+        response.write(asset.source)
+      elsif view = @view_registry.find_template_view(normalized_request_path(request.path))
+        # If there's a view at the path, use its data as the response body.
+        data = view.render(request)
         response.write(data)
       else
-        # If there's no file at the view path, 404.
+        # If there's no view at the path, 404.
         response.status = 404
       end
 
       response.finish
     end
 
     private
 
-    # Internal: Get the view path for the specified request.
+    # Internal: Is the specified path for assets?
     #
-    # request - Rack::Request to get the view path for.
+    # path - Path to check.
     #
-    # Returns a String.
-    def view_path(request)
-      path = File.join(@views_path, request.path).chomp('/')
+    # Returns a boolean.
+    def self.asset_path?(path)
+      path =~ /^\/assets\/(images|javascripts|stylesheets)\//
+    end
 
-      # If we're currently pointing to a directory, get index in it.
-      path = File.join(path, 'index') if Dir.exist?(path)
-      path + '.html'
+    # Internal: The sprockets environment for the app.
+    #
+    # Returns a Sprockets::Environment.
+    def assets
+      @assets ||= Sprockets::Environment.new do |env|
+        env.append_path(File.join(@root, "app", "assets"))
+        env.append_path(File.join(@root, "vendor", "assets"))
+
+        # compress everything in production
+        if ENV["RACK_ENV"] == "production"
+          env.js_compressor  = YUI::JavaScriptCompressor.new(:munge => true)
+          env.css_compressor = YUI::CssCompressor.new
+        end
+      end
+    end
+
+    # Internal: Get a normalized version of the specified asset path.
+    #
+    # path - Asset path to normalize
+    #
+    # Returns a string.
+    def normalized_asset_path(path)
+      path.sub(/^\/assets\//, "")
+    end
+
+    # Internal: Get a normalized version of the specified request path.
+    #
+    # path - Request path to normalize
+    #
+    # Returns a string.
+    def normalized_request_path(path)
+      if path == "/"
+        path
+      else
+        path.chomp("/")
+      end
     end
   end
 end