Tag merging UI

slices/admin/repos/post_tag_repo.rb

@@ -1,7 +1,13 @@
+require 'pry'
+
 module Admin
   module Repos
     class PostTagRepo < Adamantium::Repo[:post_tags]
 
+      def merge_tags(target_id:, source_id:)
+        post_tags.where(tag_id: source_id).update(tag_id: target_id)
+      end
+
       def delete(tag_id:)
         post_tags.where(tag_id: tag_id).delete
       end

slices/admin/repos/tag_repo.rb

@@ -16,6 +16,10 @@ module Admin
       def delete(tag_id:)
         tags.by_pk(tag_id).delete
       end
+
+      def fetch(id)
+        tags.by_pk(id).one
+      end
     end
   end
 end