niki/service/benefactor/kind_box/get.go

package userkindboxservice

import (
	"context"

	param "git.gocasts.ir/ebhomengo/niki/param/benefactor/kind_box"
	errmsg "git.gocasts.ir/ebhomengo/niki/pkg/err_msg"
	richerror "git.gocasts.ir/ebhomengo/niki/pkg/rich_error"
)

func (s Service) Get(ctx context.Context, req param.KindBoxGetRequest) (param.KindBoxGetResponse, error) {
	const op = "userkindboxservice.Get"

	kindBox, err := s.repo.GetKindBox(ctx, req.KindBoxID)
	if err != nil {
		return param.KindBoxGetResponse{}, richerror.New(op).WithErr(err).WithKind(richerror.KindUnexpected)
	}
	// TODO : ref to service.Update()
	if kindBox.BenefactorID != req.BenefactorID {
		return param.KindBoxGetResponse{}, richerror.New(op).WithMessage(errmsg.ErrorMsgUserNotAllowed).WithKind(richerror.KindForbidden)
	}

	return param.KindBoxGetResponse{KindBox: kindBox}, nil
}