muyu-apiserver/rpc/inventory/internal/logic/getyarnlogic.go

package logic

import (
	"context"

	"muyu-apiserver/pkg/tenantctx"
	"muyu-apiserver/rpc/inventory/internal/svc"
	"muyu-apiserver/rpc/inventory/pb"

	"github.com/zeromicro/go-zero/core/logx"
	"google.golang.org/grpc/codes"
	"google.golang.org/grpc/status"
)

type GetYarnLogic struct {
	ctx    context.Context
	svcCtx *svc.ServiceContext
	logx.Logger
}

func NewGetYarnLogic(ctx context.Context, svcCtx *svc.ServiceContext) *GetYarnLogic {
	return &GetYarnLogic{ctx: ctx, svcCtx: svcCtx, Logger: logx.WithContext(ctx)}
}

func (l *GetYarnLogic) GetYarn(in *pb.GetYarnReq) (*pb.YarnInfo, error) {
	tenantId := tenantctx.ExtractTenantId(l.ctx)
	yarn, err := l.svcCtx.YarnModel.FindOneByYarnId(l.ctx, in.YarnId)
	if err != nil || yarn.TenantId != tenantId {
		return nil, status.Error(codes.NotFound, "纱线不存在")
	}
	supplierName := ""
	if supplier, err := l.svcCtx.SupplierModel.FindOneBySupplierId(l.ctx, yarn.SupplierId); err == nil {
		supplierName = supplier.SupplierName
	}
	return yarnToPb(yarn, supplierName), nil
}