user can't delete self and flash_messages

app/controllers/panel/users_controller.rb

@@ -22,6 +22,7 @@ class Panel::UsersController < ApplicationController
   def create
     @user = User.new(params[:user])
     if @user.save
+      flash[:notice] = t('panel.create_success_user')
       redirect_to :action => :index
     else
       render :action => :new      
@@ -43,6 +44,7 @@ class Panel::UsersController < ApplicationController
     @user.avatar = params[:file] if params[:file]
     
     if @user.update_attributes(params[:user])
+      flash[:notice] = t('panel.update_success_user')
       redirect_to :action => :index
     else
       @user_info_models = UserInfoModel.all.entries
@@ -52,8 +54,12 @@ class Panel::UsersController < ApplicationController
   end
   
   def destroy
-    @user = User.find(params[:id])
-    @user.destroy
+    if params[:id].eql?(session['warden.user.user.key'][1].to_s)
+      flash[:error] = t('panel.cant_delete_self')
+    else
+      @user = User.find(params[:id]) 
+      @user.destroy
+    end
     
     redirect_to :action => :index
   end