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

app/controllers/debates_controller.rb

@@ -1,4 +1,6 @@
 class DebatesController < ApplicationController
+  include FlagActions
+
   before_action :parse_tag_filter, only: :index
   before_action :parse_search_terms, only: :index
   before_action :authenticate_user!, except: [:index, :show]
@@ -62,16 +64,6 @@ class DebatesController < ApplicationController
     set_debate_votes(@debate)
   end
 
-  def flag
-    Flag.flag(current_user, @debate)
-    respond_with @debate, template: 'debates/_refresh_flag_actions'
-  end
-
-  def unflag
-    Flag.unflag(current_user, @debate)
-    respond_with @debate, template: 'debates/_refresh_flag_actions'
-  end
-
   private
 
     def debate_params

app/controllers/proposals_controller.rb

@@ -1,4 +1,6 @@
 class ProposalsController < ApplicationController
+  include FlagActions
+
   before_action :parse_tag_filter, only: :index
   before_action :parse_search_terms, only: :index
   before_action :authenticate_user!, except: [:index, :show]
@@ -62,16 +64,6 @@ class ProposalsController < ApplicationController
     set_proposal_votes(@proposal)
   end
 
-  def flag
-    Flag.flag(current_user, @proposal)
-    respond_with @proposal, template: 'proposals/_refresh_flag_actions'
-  end
-
-  def unflag
-    Flag.unflag(current_user, @proposal)
-    respond_with @proposal, template: 'proposals/_refresh_flag_actions'
-  end
-
   private
 
     def proposal_params