radius parser for multilingual - dev.rake

app/controllers/admin/pages_controller.rb

@@ -18,13 +18,14 @@ class Admin::PagesController < ApplicationController
 
   def edit
     @page = Page.find(params[:id])
+    @page.content = parse_content(@page.content, {:locale => 'show'})
     @i18n_variable = @page.i18n_variable
     session[:last_page] = get_go_back || admin_items_url
   end
 
   def create
     @page = Page.new(params[:page])
-
+    @page.content = parse_content(@page.content, {:locale => 'create'})
     if @page.save
       flash[:notice] = t('admin.create_success_page')
       redirect_to admin_items_url( :parent_id => @page.parent_id )
@@ -35,7 +36,10 @@ class Admin::PagesController < ApplicationController
 
   def update
     @page = Page.find(params[:id])
+    parse_content(@page.content, {:locale => 'destroy'})
     if @page.update_attributes(params[:page])
+      @page.content = parse_content(@page.content, {:locale => 'create'})
+      @page.save!
       flash[:notice] = t('admin.update_success_page')
       redirect_to admin_items_url( :parent_id => @page.parent_id )
     else

app/controllers/application_controller.rb

@@ -1,6 +1,8 @@
 class ApplicationController < ActionController::Base
   protect_from_forgery
   
+  include Parser
+  
   helper :all
   before_filter :set_locale, :set_site 
   
@@ -36,41 +38,10 @@ class ApplicationController < ActionController::Base
     redirect_to root_url unless current_user.admin?
   end
   
-  # Parse and render the pages with Radius
+  # Render the page
   def render_page
     if @page
-      @layout = @page.layout
+      render :text => parse_page(@page)
-      @page_content = @page.content
-      @layout_content = (@page.layout)? @layout.content : "<r:content />"
-      
-      
-      context = Radius::Context.new do |c|
-        c.define_tag 'content' do |tag|
-          @page_content
-        end
-        c.define_tag 'snippet' do |tag|
-          snippet = Snippet.first(:conditions => {:name => tag.attr['name']})
-          if snippet
-            snippet.content
-          else
-            t('nothing')
-          end
-        end
-        c.define_tag 'language_bar' do
-          @site_in_use_locales.map{ |locale|
-            lang = I18nVariable.first(:conditions => {:key => locale})[locale]
-            if I18n.locale.to_s.eql?(locale)
-              lang
-            else
-              "<a href='?locale=#{locale}'>#{lang}</a>"
-            end
-          }.join(' | ')
-        end
-      end
-
-      parser = Radius::Parser.new(context, :tag_prefix => 'r')      
-      
-      render :text => parser.parse(@layout_content)
     else
       render :text => '404 Not Found'
     end
@@ -97,10 +68,10 @@ class ApplicationController < ActionController::Base
   # Set the site variables
   def set_site
     # set site if exist or create site
-    site = Site.first || Site.create({:valid_locales => [], :in_use_locales => []})
+    @site = Site.first || Site.create({:valid_locales => [], :in_use_locales => []})
-    session[:site] = site.id
+    session[:site] = @site.id
-    @site_in_use_locales = site.in_use_locales
+    @site_in_use_locales = @site.in_use_locales
-    @site_valid_locales = site.valid_locales
+    @site_valid_locales = @site.valid_locales
   end
 
 end

app/models/parser.rb

@@ -0,0 +1,73 @@
+module Parser
+  
+  def parser_context(page_content, attributes = {})
+    Radius::Context.new do |c|
+      c.define_tag 'content' do |tag|
+        page_content
+      end
+      c.define_tag 'snippet' do |tag|
+        snippet = Snippet.first(:conditions => {:name => tag.attr['name']})
+        if snippet
+          snippet.content
+        else
+          t('nothing')
+        end
+      end
+      c.define_tag 'language_bar' do
+        @site.in_use_locales.map{ |locale|
+          lang = I18nVariable.first(:conditions => {:key => locale})[locale]
+          if I18n.locale.to_s.eql?(locale)
+            lang
+          else
+            "<a href='?locale=#{locale}'>#{lang}</a>"
+          end
+        }.join(' | ')
+      end
+      c.define_tag 'locale' do |tag|
+        case attributes[:locale]
+          when 'create'
+            var = I18nVariable.new(:key => (tag.attr['name'] rescue nil), :document_class => 'Text')
+            @site.valid_locales.each do |locale|
+              var[locale] = tag.attr[locale] rescue nil
+            end
+            var.save!
+            res = ''
+            res << "<r:locale id='#{var.id}' " 
+            res << "name='#{var.key}' " if var.key
+            @site.valid_locales.each do |locale|
+              res << "#{locale}='#{var[locale]}' "
+            end
+            res << '/>'
+          when 'show'
+            var = I18nVariable.find(tag.attr['id'])
+            res = ''
+            res << "<r:locale " 
+            res << "name='#{var.key}' " if var.key
+            @site.valid_locales.each do |locale|
+              res << "#{locale}='#{var[locale]}' "
+            end
+            res << '/>'
+          when 'destroy'
+            var = I18nVariable.find(tag.attr['id'])
+            var.destroy
+          else
+            tag.attr[I18n.locale.to_s] rescue nil
+        end
+      end
+    end
+  end
+  
+  def parse_content(page_content, attributes = {})
+    context = parser_context(page_content, attributes)
+    parser = Radius::Parser.new(context, :tag_prefix => 'r')
+    parser.parse(page_content)
+  end
+  
+  def parse_page(page)
+    layout_content = (page.layout)? page.layout.content : "<r:content />"  
+    context = parser_context(page.content)
+    parser = Radius::Parser.new(context, :tag_prefix => 'r')
+    parser.parse(parser.parse(layout_content))
+  end
+
+end

lib/tasks/dev.rake

@@ -3,40 +3,60 @@
 namespace :dev do
   
   task :build => :environment do
-    [Item, Layout, Site, Snippet, User, UserAttributeModel].each { |m| m.delete_all }
   
-    User.create!( :email => 'chris@rulingcom.com', 
+    puts 'Empty the MongoDB database, exclude System stuff'
-      :password => 'password', 
+    Mongoid.master.collections.select do |collection|
-      :password_confirmation => 'password', 
+      include = collection.name !~ /system/
-      :admin => true,
+      puts 'Dropping ' + collection.name if include
-      :active_attributes => ["teacher"],
+      include
-      :user_attributes => [
+    end.each(&:drop)
-        {:key => 'teacher'}])
      
-    Home.create!( :type => "Home",
+    Site.create!( :valid_locales => [ 'en', 'zh_tw' ], :in_use_locales => [ 'zh_tw', 'en' ] ) 
-      :content => "This is the home page\r\n{% t bob %}",
-      :full_name => "home",
-      :is_published => true,"layout_id" : ObjectId("4d23dadf5b0bad0b1100000e"), "layout_name" : "root", "name" : "home", "parent_id" : null, "parent_name" : null, "position" : 1, "title_en" : "Homepage", "title_zh_tw" : "首頁"
     
+    user = User.new( :email => 'chris@rulingcom.com', :password => 'password', :password_confirmation => 'password', :admin => true, :active_roles => ['teacher'])
+    user.user_roles.build(:key => 'teacher', :discipline_en => 'Database', :discipline_zh_tw => '數據庫' )
+    user.save!
 
-      Layout.create!( :name => 'root', :description => 'root', :content_zh_tw => File.open("#{RAILS_ROOT}/lib/template/root.layout.zh_tw").read,
+    I18nVariable.create!( :document_class => 'language', :key => 'en', :en => 'English', :zh_tw => '英文' )
-                                      :content_en => File.open("#{RAILS_ROOT}/lib/template/root.layout.en").read)
+    I18nVariable.create!( :document_class => 'language', :key => 'zh_tw', :en => 'Chinese', :zh_tw => '中文' )
+    var_1 = I18nVariable.create!( :document_class => 'UserRoleModel', :key => 'teacher', :en => 'Teacher', :zh_tw => '老師' )
+      var_2 = I18nVariable.create!( :document_class => 'AttributeModel', :key => 'discipline', :en => 'Discipline', :zh_tw => '學科', :parent_id => var_1.id )
+      var_3 = I18nVariable.create!( :document_class => 'AttributeModel', :key => 'department', :en => 'Department', :zh_tw => '學系', :parent_id => var_1.id )
+    var_4 = I18nVariable.create!( :document_class => 'UserRoleModel', :key => 'student', :en => 'Student', :zh_tw => '學生' )
+      var_5 = I18nVariable.create!( :document_class => 'AttributeModel', :key => 'department', :en => 'Department', :zh_tw => '學系', :parent_id => var_4.id )
+      var_6 = I18nVariable.create!( :document_class => 'AttributeModel', :key => 'major', :en => 'Major', :zh_tw => '主修', :parent_id => var_4.id )
+    var_7 = I18nVariable.create!( :document_class => 'UserInfoModel', :key => 'profile', :en => 'Profile', :zh_tw => '個人檔案' )
+      var_8 = I18nVariable.create!( :document_class => 'AttributeModel', :key => 'family_name', :en => 'Family name', :zh_tw => '姓氏', :parent_id => var_7.id )
+      var_9 = I18nVariable.create!( :document_class => 'AttributeModel', :key => 'first_name', :en => 'First name', :zh_tw => '名字', :parent_id => var_7.id )
+    var_10 = I18nVariable.create!( :document_class => 'Home', :key => 'home', :en => 'Homepage', :zh_tw => '首頁')
+    var_11 = I18nVariable.create!( :document_class => 'Page', :key => 'about', :en => 'About', :zh_tw => '關於我們' )
+    var_12 = I18nVariable.create!( :document_class => 'Link', :key => 'google', :en => 'Google', :zh_tw => 'Google' )
 
-      Page.create!( :name => "root", :title => I18n.t(:homepage), :layout_name => "root", :parent_name => nil,
+    urm_1 = UserRoleModel.new( :key => 'teacher', :i18n_variable_id => var_1.id )
-                    :content_zh_tw => File.open("#{RAILS_ROOT}/lib/template/root.page.zh_tw").read,
+    urm_1.attribute_models.build( :key => 'discipline', :locale => true, :i18n_variable_id => var_2.id, :markup => 'text_field', :list_options => [] )
-                    :content_en => File.open("#{RAILS_ROOT}/lib/template/root.page.en").read )
+    urm_1.attribute_models.build( :key => 'department', :locale => true, :i18n_variable_id => var_3.id, :markup => 'text_field', :list_options => [] )
+    urm_1.save!
+    urm_2 = UserRoleModel.new( :key => 'student', :i18n_variable_id => var_4.id )
+    urm_2.attribute_models.build( :key => 'department', :locale => true, :i18n_variable_id => var_5.id, :markup => 'text_field', :list_options => [] )
+    urm_2.attribute_models.build( :key => 'major', :locale => true, :i18n_variable_id => var_6.id, :markup => 'text_field', :list_options => [] )
+    urm_2.save!
+    uim_1 = UserInfoModel.new( :key => 'profile', :i18n_variable_id => var_7.id )
+    uim_1.attribute_models.build( :key => 'family_name', :locale => true, :i18n_variable_id => var_8.id, :markup => 'text_field', :list_options => [] )
+    uim_1.attribute_models.build( :key => 'first_name', :locale => true, :i18n_variable_id => var_9.id, :markup => 'text_field', :list_options => [] )
+    uim_1.save! 
     
-      ["about"].each do |page_name|
+    layout = Layout.create!( :name => 'root', :description => 'root', :content => File.open("#{RAILS_ROOT}/lib/template/root.layout").read )  
-      Page.create!( :name => page_name, :title => page_name, :layout_name => "root", :parent_name => "root",
+    
-                   :content_zh_tw => File.open("#{RAILS_ROOT}/lib/template/#{page_name}.page.zh_tw").read,
+    home = Home.create!( :i18n_variable_id => var_10.id, :layout_id => layout.id, :name => 'home', :is_published => true, :content => File.open("#{RAILS_ROOT}/lib/template/root.home").read )
-                   :content_en => File.open("#{RAILS_ROOT}/lib/template/#{page_name}.page.en").read )
+    
-      end
+    Page.create!( :i18n_variable_id => var_11.id, :layout_id => layout.id, :name => 'about', :is_published => true, :parent_id => home.id, :content => File.open("#{RAILS_ROOT}/lib/template/about.page").read )                      
+    
+    Link.create!( :i18n_variable_id => var_12.id, :name => 'google', :is_published => true, :parent_id => home.id, :url => 'www.google.com' )
+    
+    ["nav", "footer"].each do |page_name|
+      Snippet.create!( :name => page_name, :parent_id => home.id, :content => File.open("#{RAILS_ROOT}/lib/template/#{page_name}.snippet").read )                   
+    end
             
-      ["nav", "footer", "locale"].each do |page_name|
-      Snippet.create!( :name => page_name, :parent_name => "root",
-                      :content_zh_tw => File.open("#{RAILS_ROOT}/lib/template/#{page_name}.snippet.zh_tw").read,
-                      :content_en => File.open("#{RAILS_ROOT}/lib/template/#{page_name}.snippet.en").read )                   
-      end             
   end
   
 end

lib/template/about.page

@@ -0,0 +1 @@
+This is about

lib/template/footer.snippet

@@ -0,0 +1 @@
+<p>Footer</p>

lib/template/nav.snippet

@@ -0,0 +1,5 @@
+<ul>
+  <li><a href='/'><r:locale en='Home' zh_tw='首頁' /></a></li>
+  <li><a href='/about'><r:locale en='About' zh_tw='關於我們' /></a></li>
+  <li><a href='/google'>Google</a></li>
+</ul>

lib/template/root.home

@@ -0,0 +1 @@
+<r:locale en='This is the homepage' zh_tw='這是首頁' />

lib/template/root.layout

@@ -0,0 +1,25 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN"
+   "http://www.w3.org/TR/html4/strict.dtd">
+
+<html lang="en">
+  <head>
+	  <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
+	  <title>RulingSite</title>
+  </head>
+
+  <body>
+    <div id="header">
+      <r:language_bar />
+      <r:snippet name='nav' />
+    </div>
+      
+	  <div id="container">  
+		  <r:content />	
+	  </div>
+
+    <div id="footer">        
+      <r:snippet name='footer' />
+    </div>
+      
+  </body>
+</html>