package friend

import (
	"context"
	"go_dreamfactory/comm"
	"go_dreamfactory/pb"
	"go_dreamfactory/sys/cache"
	"go_dreamfactory/utils"
)

//单个/批量拒绝
func (this *ApiComp) Refuse(ctx context.Context, session comm.IUserSession, req *pb.FriendRefuseReq) (err error) {
	//将申请人从申请列表中删除
	var (
		code   pb.ErrorCode
		self   *pb.Cache_FriendData
		rsp    *pb.FriendAgreeRsp
		optNum int32
	)
	defer func() {
		if code == pb.ErrorCode_Success {
			rsp = &pb.FriendAgreeRsp{
				Num: optNum,
			}
		}
		session.SendMsg(string(this.module.GetType()), Friend_SubType_Refuse, code, rsp)
	}()

	self, err = cache.Defsys.Friend_Get(session.GetUserId())
	if self == nil || err != nil {
		code = pb.ErrorCode_FriendSelfNoData
		return
	}

	//将申请人从申请列表中删除
	for _, userId := range req.FriendIds {
		self.ApplyIds = utils.DeleteString(self.ApplyIds, userId)
		optNum++
	}

	//更新
	err = cache.Defsys.Friend_Update(self)
	if err != nil {
		code = pb.ErrorCode_DBError
		return
	}
	return nil
}