Controle de versoes para noticias e eventos

app/models/event.rb

@@ -18,6 +18,8 @@ class Event < ActiveRecord::Base
 	
 	# Plugins
 	acts_as_paranoid
+	acts_as_versioned :if_changed => [ :title, :description, :time ]
+	self.non_versioned_fields << 'deleted_at'
 
 	# Associacoes
 	belongs_to :course

app/models/log_entry/event_log_entry.rb

@@ -25,8 +25,8 @@ class EventDeleteLogEntry < EventLogEntry
         event.deleted?
 	end
 	def undo!(current_user)
-		event.update_attribute(:deleted_at, nil)
-		EventRestoreLogEntry.create!(:target_id => event.id, :user_id => current_user.id, :course => event.course)
+		event.restore!
+		EventRestoreLogEntry.create!(:target_id => event.id, :user_id => current_user.id, :course => event.course, :version => event.version)
 	end
 end
 

app/models/log_entry/news_log_entry.rb

@@ -25,8 +25,8 @@ class NewsDeleteLogEntry < NewsLogEntry
         news.deleted?
 	end
 	def undo!(current_user)
-		news.update_attribute(:deleted_at, nil)
-		NewsRestoreLogEntry.create!(:target_id => news.id, :user_id => current_user.id, :course => news.course)
+		news.restore!
+		NewsRestoreLogEntry.create!(:target_id => news.id, :user_id => current_user.id, :course => news.course, :version => news.version)
 	end
 end
 

app/models/message.rb

@@ -18,6 +18,8 @@ class Message < ActiveRecord::Base
 
 	# Plugins
 	acts_as_paranoid
+	acts_as_versioned :if_changed => [ :title, :body ]
+	self.non_versioned_fields << 'deleted_at'
 	
 	# Associacoes
 	belongs_to :user,