admin weapp: advert order

app/models/weapp_settings/advert.rb

@@ -1,2 +1,3 @@
 class WeappSettings::Advert < WeappSetting
+  default_scope { order(position: :asc) }
 end

app/services/admins/drag_weapp_advert_service.rb

@@ -9,22 +9,22 @@ class Admins::DragWeappAdvertService < ApplicationService
   def call
     return if move.position + 1 == after&.position # 未移动
 
-    carousels = WeappSettings::Advert.all
+    adverts = WeappSettings::Advert.all
 
     ActiveRecord::Base.transaction do
       if after.blank? || move.id == after.id # 移动至末尾
-        total = carousels.count
+        total = adverts.count
 
-        carousels.where('position > ?', move.position).update_all('position = position - 1')
+        adverts.where('position > ?', move.position).update_all('position = position - 1')
         move.update!(position: total)
         return
       end
 
       if move.position > after.position # 前移
-        carousels.where('position >= ? AND position < ?', after.position, move.position).update_all('position = position + 1')
+        adverts.where('position >= ? AND position < ?', after.position, move.position).update_all('position = position + 1')
         move.update!(position: after.position)
       else # 后移
-        carousels.where('position > ? AND position < ?', move.position, after.position).update_all('position = position - 1')
+        adverts.where('position > ? AND position < ?', move.position, after.position).update_all('position = position - 1')
         move.update!(position: after.position - 1)
       end
     end