package usecase
import (
"context"
"github.com/pkg/errors"
"github.com/tribalwarshelp/shared/tw/twmodel"
"github.com/tribalwarshelp/api/middleware"
"github.com/tribalwarshelp/api/version"
)
type usecase struct {
repo version.Repository
}
func New(repo version.Repository) version.Usecase {
return &usecase{
repo,
func (ucase *usecase) Fetch(ctx context.Context, cfg version.FetchConfig) ([]*twmodel.Version, int, error) {
if cfg.Filter == nil {
cfg.Filter = &twmodel.VersionFilter{}
if !middleware.CanExceedLimit(ctx) && (cfg.Limit > version.FetchLimit || cfg.Limit <= 0) {
cfg.Limit = version.FetchLimit
if len(cfg.Sort) > version.MaxOrders {
cfg.Sort = cfg.Sort[0:version.MaxOrders]
return ucase.repo.Fetch(ctx, cfg)
func (ucase *usecase) GetByCode(ctx context.Context, code twmodel.VersionCode) (*twmodel.Version, error) {
versions, _, err := ucase.repo.Fetch(ctx, version.FetchConfig{
Filter: &twmodel.VersionFilter{
Code: []twmodel.VersionCode{code},
},
Limit: 1,
Select: true,
Count: false,
})
if err != nil {
return nil, err
if len(versions) == 0 {
return nil, errors.Errorf("version (Code: %s) not found", code)
return versions[0], nil