Files
ocean/gateway/internal/logic/createcategorylogic.go

104 lines
2.5 KiB
Go

package logic
import (
"context"
"strings"
"godemo/category/category"
"godemo/gateway/internal/svc"
"godemo/gateway/internal/types"
"github.com/zeromicro/go-zero/core/logx"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/status"
)
type CreateCategoryLogic struct {
logx.Logger
ctx context.Context
svcCtx *svc.ServiceContext
}
func NewCreateCategoryLogic(ctx context.Context, svcCtx *svc.ServiceContext) *CreateCategoryLogic {
return &CreateCategoryLogic{
Logger: logx.WithContext(ctx),
ctx: ctx,
svcCtx: svcCtx,
}
}
func (l *CreateCategoryLogic) CreateCategory(req *types.CreateCategoryReq) (resp *types.CreateCategoryResp, err error) {
// 1. 参数验证
if err := validateCreateRequest(req); err != nil {
return nil, err
}
// 2. 准备 RPC 请求
rpcReq := &category.CreateCategoryRequest{
SystemId: req.SystemID,
Name: req.Name,
Description: req.Description,
}
// 可选参数处理
if req.Alias != "" {
rpcReq.Alias = req.Alias
}
if req.ParentID != "" {
rpcReq.ParentId = req.ParentID
}
// 3. 调用 RPC 服务
rpcResp, rpcErr := l.svcCtx.CategoryRpc.CreateCategory(l.ctx, rpcReq)
if rpcErr != nil {
return nil, rpcErr
}
// 4. 构建响应
resp = &types.CreateCategoryResp{
ID: rpcResp.Category.Id,
}
l.Logger.Infof("Category created successfully: ID=%s, Name=%s", resp.ID, req.Name)
return resp, nil
}
// validateCreateRequest 验证创建分类请求
func validateCreateRequest(req *types.CreateCategoryReq) error {
// 必需字段检查
if strings.TrimSpace(req.SystemID) == "" {
return status.Error(codes.InvalidArgument, "systemId不能为空")
}
if strings.TrimSpace(req.Name) == "" {
return status.Error(codes.InvalidArgument, "name不能为空")
}
// 名称长度限制
if len(req.Name) > 50 {
return status.Error(codes.InvalidArgument, "alias cannot exceed 50 characters")
}
// 别名格式验证 (只允许字母、数字、连字符和下划线)
// if req.Alias != "" {
// if len(req.Alias) > 50 {
// return errors.New("alias cannot exceed 50 characters")
// }
// for _, ch := range req.Alias {
// if !(ch >= 'a' && ch <= 'z') &&
// !(ch >= 'A' && ch <= 'Z') &&
// !(ch >= '0' && ch <= '9') &&
// ch != '-' && ch != '_' {
// return errors.New("alias can only contain letters, numbers, hyphens and underscores")
// }
// }
// }
// 描述长度限制
if len(req.Description) > 500 {
return status.Error(codes.InvalidArgument, "description cannot exceed 500 characters")
}
return nil
}