func ListServiceDetail()

in server/service/govern/view.go [43:112]
62 lines of code
12 McCabe index (conditional complexity)

func ListServiceDetail(ctx context.Context, in *pb.GetServicesInfoRequest) (*pb.GetServicesInfoResponse, error) {
	ctx = util.WithCacheOnly(ctx)

	optionMap := make(map[string]struct{}, len(in.Options))
	for _, opt := range in.Options {
		optionMap[opt] = struct{}{}
	}

	options := make([]string, 0, len(optionMap))
	if _, ok := optionMap["all"]; ok {
		optionMap["statistics"] = struct{}{}
		options = defaultOptions
	} else {
		for opt := range optionMap {
			options = append(options, opt)
		}
	}

	var st *pb.Statistics
	if _, ok := optionMap["statistics"]; ok {
		var err error
		st, err = datasource.GetMetadataManager().Statistics(ctx, in.WithShared)
		if err != nil {
			return nil, pb.NewError(pb.ErrInternal, err.Error())
		}
		if len(optionMap) == 1 {
			return &pb.GetServicesInfoResponse{
				Statistics: st,
			}, nil
		}
	}

	//获取所有服务
	resp, err := discosvc.ListService(ctx, &pb.GetServicesRequest{WithShared: in.WithShared})
	if err != nil {
		log.Error("get all services by domain failed", err)
		return nil, pb.NewError(pb.ErrInternal, err.Error())
	}
	services := resp.Services

	allServiceDetails := make([]*pb.ServiceDetail, 0, len(services))
	domainProject := util.ParseDomainProject(ctx)
	instanceProperties := config.GetStringMap("registry.instance.properties")
	for _, service := range services {
		if !filterServices(domainProject, in, service) {
			continue
		}

		serviceDetail, err := getServiceDetailUtil(ctx, ServiceDetailOpt{
			domainProject: domainProject,
			service:       service,
			countOnly:     in.CountOnly,
			options:       options,
		})
		if err != nil {
			return nil, pb.NewError(pb.ErrInternal, err.Error())
		}
		serviceDetail.MicroService = service
		tmpServiceDetail, err := NewServiceOverview(serviceDetail, instanceProperties)
		if err != nil {
			return nil, err
		}
		allServiceDetails = append(allServiceDetails, tmpServiceDetail)
	}

	return &pb.GetServicesInfoResponse{
		AllServicesDetail: allServiceDetails,
		Statistics:        st,
	}, nil
}