Update galleries_controller.rb

fix auto multiple creating tag

app/controllers/galleries_controller.rb

@@ -16,6 +16,22 @@ class GalleriesController < ApplicationController
     tag1.save
     tags << tag0
     tags << tag1
+  elsif find_tag.length>1
+    show_tags = Tag.all.select{|value| value.name==I18n.t('gallery.show_desc')}
+    show_tags.each_with_index do |show_tag,index1|
+      if index1>0
+        if show_tag.taggings.count==0
+          show_tag.delete
+        end
+      end
+    end
+    find_tag.each_with_index do |not_show_tag,index1|
+      if index1>0
+        if not_show_tag.taggings.count==0
+          not_show_tag.delete
+        end
+      end
+    end
   end
 
   def index