public async Task <IActionResult> BusDepartureTimes(int busId)
{
var departureTimes = await busService.GetBusDepartureTimes(busId);
if (departureTimes.Value?.Length == 0)
{
return(BadRequest(new ApiError("No departure times info for the bus")));
}
departureTimes.Self = LinkGenerator.ToCollection(RouteNames.DepartureTimes, new { busId });
return(Ok(departureTimes));
}