pcm-coordinator/internal/logic/dictionary/deletedictlogic.go

44 lines
1.3 KiB
Go

package dictionary
import (
"context"
"github.com/pkg/errors"
"gitlink.org.cn/JointCloud/pcm-coordinator/internal/svc"
"gitlink.org.cn/JointCloud/pcm-coordinator/internal/types"
"github.com/zeromicro/go-zero/core/logx"
)
type DeleteDictLogic struct {
logx.Logger
ctx context.Context
svcCtx *svc.ServiceContext
}
func NewDeleteDictLogic(ctx context.Context, svcCtx *svc.ServiceContext) *DeleteDictLogic {
return &DeleteDictLogic{
Logger: logx.WithContext(ctx),
ctx: ctx,
svcCtx: svcCtx,
}
}
func (l *DeleteDictLogic) DeleteDict(req *types.CId) (resp *types.DictResp, err error) {
var sId int64
l.svcCtx.DbEngin.Table("t_dict").Raw("select d.id from t_dict_item di left join t_dict d on di.dict_id=d.id where d.id=? limit 1", req.Id).Scan(&sId)
if sId != 0 {
return nil, errors.New("Delete failed,The dictionary is associated with a dictionary item")
}
db := l.svcCtx.DbEngin.Table("t_dict").Where("id = ?", req.Id).First(&types.DictInfo{})
if db.Error != nil {
logx.Errorf("err %v", db.Error.Error())
return nil, errors.New("Dictionary does not exist")
}
tx := l.svcCtx.DbEngin.Table("t_dict").Delete(types.DictInfo{}, req.Id)
if tx.Error != nil {
logx.Errorf("err %v", db.Error.Error())
return nil, errors.New("Delete dictionary failed")
}
return
}