Modifications for image urls

Find and replace the urls by the file urls in DB, in the theme files and
layout.html file. Save a copy of those files under "file_orig".

app/controllers/gridfs_controller.rb

@@ -4,34 +4,6 @@ class GridfsController < ActionController::Metal
   
   def serve
     gridfs_path = env["PATH_INFO"].gsub("/gridfs/", "")
-    gridfs_file = Mongo::GridFileSystem.new(Mongoid.database).open(gridfs_path, 'r') rescue nil
-    if gridfs_file
-      self.response_body = gridfs_file.read
-      self.content_type = gridfs_file.content_type
-    else
-      serve_rescue(gridfs_path.split('/').pop)
-    end
-  end
-  
-  def serve_images
-    gridfs_path = env["PATH_INFO"]
-    serve_rescue(gridfs_path.split('/').pop)
-  end
-  
-  def serve_rescue(file_name)
-    referer = request.env['HTTP_REFERER']
-    if referer.include?('admin')
-      page = Page.find(referer.split('/').pop)
-    else
-      vars = request.env['HTTP_REFERER'].split('/')
-      names = get_names(vars, [])
-      page = Page.find_by_name(names.pop)
-      names.reverse_each do |name|
-        page = page.children.find_by_name(name)
-      end
-    end
-    image = page.design.images.detect{|i| i.file_filename == file_name}
-    gridfs_path = image.file.url.gsub("/gridfs/", "")
     begin
       gridfs_file = Mongo::GridFileSystem.new(Mongoid.database).open(gridfs_path, 'r')
       self.response_body = gridfs_file.read
@@ -43,14 +15,4 @@ class GridfsController < ActionController::Metal
     end
   end
   
-  def get_names(vars, names)
-    page = Page.all(:conditions => {:name => vars.last})
-    names << vars.pop
-    if page.count > 1
-      get_names(vars, names)
-    else
-      names
-    end
-  end
-  
 end

app/models/design/design.rb

@@ -60,6 +60,7 @@ class Design
   end
   
   protected
+  
   def del_embedded_objects
     [[self.layout],self.themes, self.javascripts, self.images].each do |objects|
       objects.each do |object|
@@ -67,20 +68,32 @@ class Design
       end
      end
   end
+  
   def procs_embedded_objects
-    [[self.layout],self.themes, self.javascripts, self.images].each do |objects|
+    [[self.layout], self.javascripts, self.images].each do |objects|
       objects.each do |object|
-        if object.file.blank?
-          object.to_save = false
-        end
-        if object.to_save
-          object.to_save = false
-          object.save
-        end
-        if object.to_destroy
-          object.destroy
-        end
+        process_object(object)
       end
     end
+    self.layout.parse_urls
+    self.themes.each do |theme|
+      to_parse_url = theme.to_save ? true : false
+      process_object(theme)
+      theme.parse_urls if to_parse_url
+    end
   end
+  
+  def process_object(object)
+    if object.file.blank?
+      object.to_save = false
+    end
+    if object.to_save
+      object.to_save = false
+      object.save
+    end
+    if object.to_destroy
+      object.destroy
+    end
+  end
+  
 end

app/models/design/layout.rb

@@ -1,10 +1,15 @@
 class Layout < DesignFile
   include Parser
+  
+  mount_uploader :file_orig, AssetUploader
+  
+  attr_reader :content
+  
   embeds_one :menu
   embedded_in :design
-
-  attr_reader :content
   embeds_many :layout_parts
+  
+  after_save :parse_layout
 
   def content
     self.file.read
@@ -14,9 +19,39 @@ class Layout < DesignFile
     Layout.count > 0
   end
 
-  after_save:parse_layout
-
   def parse_layout  
     parse_layout_layout_part(self)
   end
+  
+  def parse_urls
+    orig_content = content = self.file.read.force_encoding("UTF-8")
+    self.remove_file!
+    self.remove_file_orig!
+    names = []
+    images = self.design.images
+    content.scan(/(?<=\<img src=)(.*?)(?=[ \t]|\/\>)/){
+      html_name = $1
+      name = File.basename(html_name).gsub(/[\\\"]/, '').strip
+      file_name = images.detect{ |i| i.file_filename.eql?(name) }.file_url rescue nil
+      names << [html_name, file_name]
+    }
+    names.each do |name|
+      content.gsub!(name[0], name[1])
+    end
+    Dir.mktmpdir('f_path') { |dir|
+      orig_file_name = self.file_filename
+      
+      temp_file = File.new(dir + '/' + orig_file_name, 'w+')
+      temp_file.write orig_content.force_encoding("UTF-8")
+      self.file_orig = temp_file
+      
+      temp_file = File.new(dir + '/' + orig_file_name, 'w+')
+      temp_file.write content.force_encoding("UTF-8")
+      self.file = temp_file
+      
+      Layout.without_callback(:save) do
+        self.save
+      end
+    }  
+  end
 end

app/models/design/theme.rb

@@ -1,9 +1,40 @@
 class Theme < Stylesheet
   embedded_in :design
   field :name
+  mount_uploader :file_orig, AssetUploader
   
   before_save :set_name
   
+  def parse_urls
+    orig_content = content = self.file.read
+    self.remove_file!
+    self.remove_file_orig!
+    names = []
+    images = self.design.images
+    content.scan(/(?<=url\()(.*?)(?=\))/){
+      css_name = $1
+      name = File.basename(css_name).gsub(/[\\\"]/, '')
+      file_name = images.detect{ |i| i.file_filename.eql?(name) }.file_url rescue nil
+      names << [css_name, file_name]
+    }
+    names.each do |name|
+      content.gsub!(name[0], name[1])
+    end
+    Dir.mktmpdir('f_path') { |dir|
+      orig_file_name = self.file_filename
+      
+      temp_file = File.new(dir + '/' + orig_file_name, 'w+')
+      temp_file.write orig_content.force_encoding("UTF-8")
+      self.file_orig = temp_file
+      
+      temp_file = File.new(dir + '/' + orig_file_name, 'w+')
+      temp_file.write content.force_encoding("UTF-8")
+      self.file = temp_file
+      
+      self.save
+    }  
+  end
+  
   protected
   
   def set_name

config/routes.rb

@@ -12,8 +12,10 @@ PrototypeR4::Application.routes.draw do
   namespace :admin do
     resources :assets
     resources :designs do
-      get 'upload_package' ,:on => :collection
-      post 'upload_package' ,:on => :collection
+      collection do
+        get 'upload_package'
+        post 'upload_package'
+      end
       member do
         post 'edit_file'  => 'designs#edit_file'
       end
@@ -50,8 +52,8 @@ PrototypeR4::Application.routes.draw do
   
   # routes for gridfs files
   match "/gridfs/*path" => "gridfs#serve"
-  match "/images/*path" => "gridfs#serve_images"
-  match "/admin/pages/images/*path" => "gridfs#serve_images"
+  # match "/images/*path" => "gridfs#serve_images"
+  # match "/admin/pages/images/*path" => "gridfs#serve_images"
   
   # routes for pages to generate
   match '*page_name' => 'pages#show', :as => :page, :constraints => lambda{|request|