full/module/social/relation/internal/logic/follow/undo.go

package follow

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"
)

// 撤销关注
func Undo(ctx context.Context, in *pb.IdentRequest) (reply *pb.DataStatusReply, err error) {
	auth, err := service.ParseMetaCtx(ctx, nil)
	if err != nil {
		return nil, err
	}
	if in.Identity == "" {
		return nil, errcode.ErrInvalidArgument
	}

	// 只能撤销自己发起的关注：归属列是 from_identity
	err = impl.DBService.Model(&models.RelationFollow{}).Delete("identity=? and from_identity=?", in.Identity, auth.Identity).Error
	if err != nil {
		printer.Error(err.Error())
		return nil, errcode.ErrDB
	}
	return &pb.DataStatusReply{
		Data:    vars.OK,
		Timeseq: time.Now().UnixMilli(),
	}, nil

}