Announcement modifications and tags

app/models/i18n_variable.rb

@@ -17,4 +17,8 @@ class I18nVariable
     end
   end
   
+  def self.from_locale(locale)
+    I18nVariable.first(:conditions => {:key => locale})[I18n.locale]
+  end
+  
 end

app/models/module_app.rb

@@ -18,6 +18,8 @@ class ModuleApp
   has_many :managers,as: :managing_app ,:class_name => "AppManager" #,:dependent => :destroy,:foreign_key => "managing_app_id",:inverse_of => :managing_app
   has_many :sub_managers,as: :sub_managing_app ,:class_name => "AppManager"#, :dependent => :destroy,:foreign_key => "sub_managing_app_id",:inverse_of => :sub_managing_app
   
+  has_many :tags
+  
   has_one :app_auth,dependent: :delete
   
   before_save :set_key

app/models/tag.rb

@@ -0,0 +1,9 @@
+class Tag
+  
+  include Mongoid::Document
+  include Mongoid::Timestamps
+  
+  belongs_to :module_app
+  has_and_belongs_to_many :bulletins
+  
+end