refactors debate and proposal flag actions

app/controllers/concerns/flag_actions.rb

@@ -0,0 +1,20 @@
+module FlagActions
+  extend ActiveSupport::Concern
+
+  def flag
+    Flag.flag(current_user, flagable)
+    respond_with flagable, template: "#{controller_name}/_refresh_flag_actions"
+  end
+
+  def unflag
+    Flag.unflag(current_user, flagable)
+    respond_with flagable, template: "#{controller_name}/_refresh_flag_actions"
+  end
+
+  private
+
+    def flagable
+      instance_variable_get("@#{controller_name.singularize}")
+    end
+
+end