notification scaffold

app/models/notification.rb

@@ -0,0 +1,30 @@
+class Notification
+  #
+  # Notification levels
+  #
+  N_DISABLED = 0
+  N_PARTICIPATING = 1
+  N_WATCH = 2
+
+  attr_accessor :user
+
+  def self.notification_levels
+    [N_DISABLED, N_PARTICIPATING, N_WATCH]
+  end
+
+  def initialize(user)
+    @user = user
+  end
+
+  def disabled?
+    user.notification_level == N_DISABLED
+  end
+
+  def participating?
+    user.notification_level == N_PARTICIPATING
+  end
+
+  def watch?
+    user.notification_level == N_WATCH
+  end
+end