discount/internal/controller/controller_statuses.go

package controller

import (
	"google.golang.org/grpc/codes"
	"google.golang.org/grpc/status"
	"penahub.gitlab.yandexcloud.net/pena-services/accruals-service/internal/repository"
	"penahub.gitlab.yandexcloud.net/pena-services/accruals-service/internal/service"
)

var GRPCStatuses = map[error]codes.Code{
	repository.ErrEmptyArgs:               codes.InvalidArgument,
	repository.ErrFindRecord:              codes.Internal,
	repository.ErrInsertRecord:            codes.Internal,
	repository.ErrInvalidID:               codes.InvalidArgument,
	repository.ErrMethodNotImplemented:    codes.Unimplemented,
	repository.ErrNoRecord:                codes.NotFound,
	repository.ErrTransaction:             codes.Internal,
	repository.ErrTransactionSessionStart: codes.Internal,
	repository.ErrUpdateRecord:            codes.Internal,
	service.ErrInvalidInputValue:          codes.InvalidArgument,
	service.ErrInvalidReturnValue:         codes.Internal,
}

func determineError(message string, err error) error {
	currentStatus, ok := GRPCStatuses[err]
	if !ok {
		return status.Errorf(codes.Internal, message, err)
	}

	return status.Errorf(currentStatus, message, err)
}