Model#search: factor out post_tags_match.

app/models/post_replacement.rb

@@ -20,10 +20,6 @@ class PostReplacement < ApplicationRecord
 
   concerning :Search do
     class_methods do
-      def post_tags_match(query)
-        where(post_id: PostQueryBuilder.new(query).build.reorder(""))
-      end
-
       def search(params = {})
         q = super
 
@@ -34,15 +30,7 @@ class PostReplacement < ApplicationRecord
         q = q.attribute_matches(:md5_was, params[:md5_was])
         q = q.attribute_matches(:md5, params[:md5])
         q = q.search_user_attribute(:creator, params)
-
-        if params[:post_id].present?
-          q = q.where(post_id: params[:post_id].split(",").map(&:to_i))
-        end
-
-        if params[:post_tags_match].present?
-          q = q.post_tags_match(params[:post_tags_match])
-        end
-
+        q = q.search_post_id_attribute(params)
         q.apply_default_order(params)
       end
     end