refactors taggable behaviour

app/models/concerns/taggable.rb

@@ -0,0 +1,20 @@
+module Taggable
+  extend ActiveSupport::Concern
+
+  included do
+    acts_as_taggable
+  end
+
+  def tag_list_with_limit(limit = nil)
+    return tags if limit.blank?
+
+    tags.sort{|a,b| b.taggings_count <=> a.taggings_count}[0, limit]
+  end
+
+  def tags_count_out_of_limit(limit = nil)
+    return 0 unless limit
+
+    count = tags.size - limit
+    count < 0 ? 0 : count
+  end
+end

app/models/debate.rb

@@ -1,10 +1,11 @@
 require 'numeric'
 class Debate < ActiveRecord::Base
   include Flaggable
+  include Taggable
+
   apply_simple_captcha
 
   acts_as_votable
-  acts_as_taggable
   acts_as_paranoid column: :hidden_at
   include ActsAsParanoidAliases
 
@@ -84,19 +85,6 @@ class Debate < ActiveRecord::Base
     super.try :html_safe
   end
 
-  def tag_list_with_limit(limit = nil)
-    return tags if limit.blank?
-
-    tags.sort{|a,b| b.taggings_count <=> a.taggings_count}[0, limit]
-  end
-
-  def tags_count_out_of_limit(limit = nil)
-    return 0 unless limit
-
-    count = tags.size - limit
-    count < 0 ? 0 : count
-  end
-
   def after_commented
     save # updates the hot_score because there is a before_save
   end

app/models/proposal.rb

@@ -1,9 +1,10 @@
 class Proposal < ActiveRecord::Base
   include Flaggable
+  include Taggable
+
 
   apply_simple_captcha
   acts_as_votable
-  acts_as_taggable
   acts_as_paranoid column: :hidden_at
   include ActsAsParanoidAliases
 
@@ -50,19 +51,6 @@ class Proposal < ActiveRecord::Base
     super.try :html_safe
   end
 
-  def tag_list_with_limit(limit = nil)
-    return tags if limit.blank?
-
-    tags.sort{|a,b| b.taggings_count <=> a.taggings_count}[0, limit]
-  end
-
-  def tags_count_out_of_limit(limit = nil)
-    return 0 unless limit
-
-    count = tags.size - limit
-    count < 0 ? 0 : count
-  end
-
   def description
     super.try :html_safe
   end