Add ScreenedUrl. Rename BlockedEmail to ScreenedEmail.

lib/screening_model.rb

@@ -0,0 +1,31 @@
+module ScreeningModel
+  extend ActiveSupport::Concern
+
+  module ClassMethods
+    def actions
+      @actions ||= Enum.new(:block, :do_nothing)
+    end
+
+    def default_action(action_key)
+      @default_action = action_key
+    end
+
+    def df_action
+      @default_action || :do_nothing
+    end
+  end
+
+  included do
+    before_validation :set_default_action
+  end
+
+  def set_default_action
+    self.action_type ||= self.class.actions[self.class.df_action]
+  end
+
+  def record_match!
+    self.match_count += 1
+    self.last_match_at = Time.zone.now
+    save
+  end
+end