feat: product number

services/product/internal/logic/infoByIdLogic.go

@@ -0,0 +1,54 @@
+package logic
+
+import (
+	"context"
+	"strconv"
+
+	"lone-services/pkg/modelbase"
+	"lone-services/pkg/utils"
+	"lone-services/pkg/validate"
+	product "lone-services/rpc/product/pb"
+	"lone-services/services/product/internal/dao"
+	"lone-services/services/product/internal/model"
+	"lone-services/services/product/internal/svc"
+	"lone-services/services/product/validator"
+
+	"github.com/zeromicro/go-zero/core/logx"
+	"google.golang.org/grpc/codes"
+	"google.golang.org/grpc/status"
+)
+
+type InfoByIdLogic struct {
+	ctx    context.Context
+	svcCtx *svc.ServiceContext
+	logx.Logger
+}
+
+func NewInfoByIdLogic(ctx context.Context, svcCtx *svc.ServiceContext) *InfoByIdLogic {
+	return &InfoByIdLogic{
+		ctx:    ctx,
+		svcCtx: svcCtx,
+		Logger: logx.WithContext(ctx),
+	}
+}
+
+func (l *InfoByIdLogic) InfoById(in *product.InfoByIdReq) (*product.Item, error) {
+	var req validator.ProductInfoValidator
+	if msg := validate.ValidateFromProto(in, &req); msg != utils.StringEmpty {
+		return nil, status.Error(codes.InvalidArgument, msg)
+	}
+
+	var info dao.Info
+	err := model.ProductModel{}.Init().GetOne(modelbase.Params{
+		Eq: map[string]string{"id": strconv.FormatInt(req.Id, 10)},
+	}, &info)
+	if err != nil {
+		l.Errorf("product InfoById: %v", err)
+		return nil, status.Error(codes.Internal, utils.Fail.Msg)
+	}
+	if info.Id < 1 {
+		return nil, status.Error(codes.NotFound, utils.ErrorNotFund.Msg)
+	}
+
+	return toProductItem(info), nil
+}