实现category service基础接口

gateway/internal/logic/getcategorylogic.go

@@ -0,0 +1,59 @@
+package logic
+
+import (
+	"context"
+	"time"
+
+	"godemo/category/category"
+	"godemo/gateway/internal/svc"
+	"godemo/gateway/internal/types"
+
+	"github.com/zeromicro/go-zero/core/logx"
+)
+
+type GetCategoryLogic struct {
+	logx.Logger
+	ctx    context.Context
+	svcCtx *svc.ServiceContext
+}
+
+func NewGetCategoryLogic(ctx context.Context, svcCtx *svc.ServiceContext) *GetCategoryLogic {
+	return &GetCategoryLogic{
+		Logger: logx.WithContext(ctx),
+		ctx:    ctx,
+		svcCtx: svcCtx,
+	}
+}
+
+func (l *GetCategoryLogic) GetCategory(req *types.GetCategoryReq) (resp *types.CategoryDetailResp, err error) {
+	rpcResp, err := l.svcCtx.CategoryRpc.GetCategory(l.ctx, &category.GetCategoryRequest{
+		Id: req.ID,
+	})
+	if err != nil {
+		return nil, err
+	}
+	// 转换主分类的时间
+	createdAtStr := time.Unix(rpcResp.Category.CreatedAt, 0).Format(time.RFC3339)
+	updatedAtStr := ""
+	if rpcResp.Category.UpdatedAt != 0 {
+		updatedAtStr = time.Unix(rpcResp.Category.UpdatedAt, 0).Format(time.RFC3339)
+	}
+
+	resp = &types.CategoryDetailResp{
+		CategoryDetail: types.CategoryDetail{
+			BaseCategory: types.BaseCategory{
+				ID:          rpcResp.Category.Id,
+				Name:        rpcResp.Category.Name,
+				Alias:       rpcResp.Category.Alias,
+				Description: rpcResp.Category.Description,
+				ParentID:    rpcResp.Category.ParentId,
+				SystemID:    rpcResp.Category.SystemId,
+				CreatedAt:   createdAtStr,
+				UpdatedAt:   updatedAtStr,
+			},
+			Parent: nil,
+		},
+	}
+
+	return
+}