Rewrite flash messages

app/helpers/application_helper.rb

@@ -1,7 +1,20 @@
-require 'digest/md5'
 module ApplicationHelper
+  def bootstrap_class_for flash_type
+    { success: "alert-success", error: "alert-danger", alert: "alert-warning", notice: "alert-info" }[flash_type] || flash_type.to_s
+  end
+
+  def flash_messages(opts = {})
+    flash.map do |msg_type, message|
+      content_tag(:div, message, class: "alert #{bootstrap_class_for(msg_type.to_sym)}") do
+        content_tag(:button, 'x', class: "close", data: { dismiss: 'alert' }) +
+        content_tag(:strong, [msg_type.capitalize, "! "].join("")) +
+        message
+      end
+    end.join().html_safe
+  end
 
   def get_color(user)
+    require 'digest/md5'
     Digest::MD5.hexdigest(user.name)[0..5]
   end
 

app/views/layouts/application.html.haml

@@ -10,7 +10,8 @@
     = render 'layouts/header'
     .container
       %h2= yield :title
-      = render partial: 'flash'
+      #flash
+        = flash_messages
       = yield
       = render 'layouts/footer'
       = debug(params) if Rails.env.development?