set user_id=0 at peers, when the user is deleted

service/peer.go

@@ -58,6 +58,11 @@ func (ps *PeerService) UuidUnbindUserId(uuid string, userId uint) {
 	}
 }
 
+// EraseUserId 清除用户id, 用于用户删除
+func (ps *PeerService) EraseUserId(userId uint) error {
+	return global.DB.Model(&model.Peer{}).Where("user_id = ?", userId).Update("user_id", 0).Error
+}
+
 // ListByUserIds 根据用户id取列表
 func (ps *PeerService) ListByUserIds(userIds []uint, page, pageSize uint) (res *model.PeerList) {
 	res = &model.PeerList{}

service/user.go

@@ -207,6 +207,11 @@ func (us *UserService) Delete(u *model.User) error {
 		return err
 	}
 	tx.Commit()
+	// 删除关联的peer
+	if err := AllService.PeerService.EraseUserId(u.Id); err != nil {
+		tx.Rollback()
+		return err
+	}
 	return nil
 }