public async Task <IEnumerable <ITrip> > FindTripsAsync(string from, string to, DateTime departureDate)
{
var fromStation = await GetStationsInfo(from);
var toStation = await GetStationsInfo(to);
if (!fromStation.Any() || !toStation.Any())
{
return(new List <ITrip>());
}
var data = $"from={fromStation.First().Value}";
data += $"&to={toStation.First().Value}";
data += $"&date={dateFormatter.RailwayDate(departureDate)}";
data += $"&time={dateFormatter.RailwayTime(departureDate)}";
var response = await httpService.MakePostRequestAsync(config.ApiUrl, data);
var responseString = await new StreamReader(response.GetResponseStream() ?? throw new InvalidOperationException()).ReadToEndAsync();
var result = JsonConvert.DeserializeObject <TrainsInfo>(responseString);
result.Data.List.RemoveAll(i => !i.Types.Any());
foreach (var train in result.Data.List)
{
train.DepartureDate = DateTime.ParseExact(train.From.Date.Split(',')[1].Replace(".", "/").Trim(), "dd/MM/yyyy", CultureInfo.InvariantCulture);
train.DepartureDate += train.From.Time;
train.ArrivalDate = DateTime.ParseExact(train.To.Date.Split(',')[1].Replace(".", "/").Trim(), "dd/MM/yyyy", CultureInfo.InvariantCulture);
train.ArrivalDate += train.To.Time;
train.BookingLink = linkBuilder.BuildRailwayLink(train);
}
return(result.Data.List);
}