func (s *stationService) Station(stationID services.StationID) (*models.Station, error) {
if all, err := s.AllStations(); err == nil {
for _, s := range all.Stations {
if services.StationID(s.UIC) == stationID {
return &s, nil
}
}
}
return nil, services.NewServiceValidationError(fmt.Sprintf("Unknown station id: %", string(stationID)))
}
func (s *trainService) DeparturesBetween(from services.StationID, to services.StationID) (result *models.TrainEventList, err error) {
logger.Printf("Computing route from %v to %v", from, to)
if world, err := s.getAllTrains(); err == nil {
if departures, departuresErr := s.TrainsFromStation(from); departuresErr == nil {
for departureCandidateIdx, _ := range departures.Events {
if path, err := graph.Dijkstra(world, &departures.Events[departureCandidateIdx], to); err == nil {
return path, nil
}
}
return nil, services.NewServiceValidationError("Cannot find any route")
} else {
return nil, departuresErr
}
} else {
return nil, err
}
}