full/module/social/relation/internal/logic/friend/apply_do_message.go

package friend

import (
	"context"
	"time"

	"bsm/full/module/social/relation/internal/impl"
	"bsm/full/module/social/relation/internal/models"
	pb "bsm/full/module/social/relation/pb"
	"git.apinb.com/bsm-sdk/core/errcode"
	"git.apinb.com/bsm-sdk/core/printer"
	"git.apinb.com/bsm-sdk/core/service"
	"git.apinb.com/bsm-sdk/core/vars"
)

// 好友申请Do:留言
func ApplyDoMessage(ctx context.Context, in *pb.ApplyMessageRequest) (reply *pb.DataStatusReply, err error) {
	auth, err := service.ParseMetaCtx(ctx, nil)
	if err != nil {
		return nil, err
	}
	if in.Body == "" || in.ApplyId == 0 {
		return nil, errcode.ErrInvalidArgument
	}

	// 校验该申请存在且属于当前调用者（申请方或被申请方），避免污染他人申请会话
	var apply models.FriendApply
	err = impl.DBService.Where("id=? and (from_identity=? or to_identity=?)", in.ApplyId, auth.Identity, auth.Identity).First(&apply).Error
	if err != nil {
		printer.Error(err.Error())
		return nil, errcode.ErrPermissionDenied
	}

	msg := models.FriendApplyMessage{
		ApplyID: uint(in.ApplyId),
		Body:    in.Body,
	}
	msg.PassportID = auth.ID
	msg.PassportIdentity = auth.Identity

	err = impl.DBService.Create(&msg).Error
	if err != nil {
		printer.Error(err.Error())
		return nil, errcode.ErrDB
	}

	//回写最后一次交流的消息ID（仍限定申请归属）
	err = impl.DBService.Model(models.FriendApply{}).Where("id=? and (from_identity=? or to_identity=?)", msg.ApplyID, auth.Identity, auth.Identity).UpdateColumn("last_message_id", msg.ID).Error
	if err != nil {
		printer.Error(err.Error())
		return nil, errcode.ErrDB
	}

	//EventMQ：向mesh MQ中心发送报文，请求推送消息以及更新Cache.
	return &pb.DataStatusReply{
		Data:    vars.OK,
		Timeseq: time.Now().UnixMilli(),
	}, nil

}