Add MongoMapper key_i18n support

app/controllers/application_controller.rb

@@ -13,8 +13,8 @@ class ApplicationController < ActionController::Base
     if @page
       @layout = @page.layout
       @page_options ||= {}
-      @page_content = Liquid::Template.parse( @page.send( "content_#{I18n.locale}" ) ).render(@page_options)
-      @layout_content = (@page.layout)? @layout.send( "content_#{I18n.locale}" ) : "{{page_content}}"
+      @page_content = Liquid::Template.parse( @page.content ).render(@page_options)
+      @layout_content = (@page.layout)? @layout.content : "{{page_content}}"
       render :text => Liquid::Template.parse(@layout_content).render( 'page_content' => @page_content )
     else
       render :text => '404 Not Found'

app/models/announcement.rb

@@ -2,21 +2,11 @@ class Announcement
   
    include MongoMapper::Document
    
-   key :title_en, String
-   key :title_zh_tw, String
-   key :content_en, String
-   key :content_zh_tw, String
+   key_i18n :title, String
+   key_i18n :content, String
    
    def to_liquid
-     { "id" => self.id, "title" => self.send("title_#{I18n.locale}"), "content" => self.send("content_#{I18n.locale}") }
-   end
-    
-   def title
-     self.send("title_#{I18n.locale}")
-   end
-    
-   def content
-     self.send("content_#{I18n.locale}")
+     { "id" => self.id, "title" => self.title, "content" => self.content }
    end
    
 end

app/models/layout.rb

@@ -3,8 +3,7 @@ class Layout
    include MongoMapper::Document
    
    key :name, String
-   key :content_en, String
-   key :content_zh_tw, String
+   key_i18n :content, String
    
    validates_presence_of :name
    

app/models/page.rb

@@ -4,8 +4,7 @@ class Page
    key :name, String
    key :parent_page_id, String
  
-   key :content_en, String
-   key :content_zh_tw, String
+   key_i18n :content, String
     
    key :layout_id, String
    key :layout_name, String

app/models/snippet.rb

@@ -3,8 +3,7 @@ class Snippet
    include MongoMapper::Document
   
    key :name, String
-   key :content_en, String
-   key :content_zh_tw, String
+   key_i18n :content, String
     
    validates_presence_of :name
    

app/models/snippet_filter.rb

@@ -4,7 +4,7 @@ module SnippetFilter
     snippet = Snippet.find_by_name(snippet_name)
     
     if snippet
-      return Liquid::Template.parse( snippet.send( "content_#{I18n.locale}" ) ).render
+      return Liquid::Template.parse( snippet.content ).render
     else
       return "nothing"
     end

config/environment.rb

@@ -50,18 +50,18 @@ VALID_LOCALES = ["en", "zh_tw"]
 MongoMapper.database = "r4-#{Rails.env}"  
 
 
-#class CouchFoo::Base
-#  
-#  def self.property_i18n(property_name, property_type)
-#    VALID_LOCALES.each do |locale|
-#       property "#{property_name.to_s}_#{locale}".to_sym, property_type
-#    end
-#    
-#    define_method( property_name ) do
-#      self.read_attribute("#{property_name.to_s}_#{I18n.locale}")
-#    end
-#  end
-#
-#end
+module MongoMapper::Document::ClassMethods
+  
+  def key_i18n(key, *options)
+    VALID_LOCALES.each do |locale|
+       key "#{key.to_s}_#{locale}".to_sym, *options
+    end
+    
+    define_method(key) do
+      self.send("#{key.to_s}_#{I18n.locale}")
+    end
+  end
+
+end