public static void SearchFligths(string origin, string destination, FlightsCollection flightsData)
{
string[] providers = { "Provider1.txt", "Provider2.txt", "Provider3.txt" };
char delimiter;
string providerPath;
for (int i = 0; i < providers.Length; i++)
{
providerPath = GetProviderPath(providers[i]);
delimiter = GetDelimiter(providers[i]);
try
{
StreamReader reader = new StreamReader(providerPath);
string recordIn = reader.ReadLine();
while (recordIn != null)
{
AddFlights(recordIn, delimiter, origin, destination, flightsData);
recordIn = reader.ReadLine();
}
}
catch (Exception e)
{
Console.WriteLine("the file could not be read");
Console.WriteLine(e.Message);
}
}
}
static void Main(string[] args)
{
FlightsCollection flightsData;
int indexOrigin;
int indexDestination;
string origin;
string destination;
string inputText = "";
int cityLength = 3;
int space = 3;
SearchFlightsMethods.DisplayMenu(ref inputText);
while (inputText != "-1")
{
flightsData = new FlightsCollection();
indexOrigin = inputText.IndexOf("-o") + space;
indexDestination = inputText.IndexOf("-d") + space;
try
{
origin = inputText.Substring(indexOrigin, cityLength).ToUpper();
if (origin.Contains('-') || origin.Trim() == "")
{
throw new Exception();
}
destination = inputText.Substring(indexDestination, cityLength).ToUpper();
}
catch (Exception e)
{
Console.WriteLine("\nPlease, enter origin and destination.\n");
SearchFlightsMethods.DisplayMenu(ref inputText);
continue;
}
SearchFlightsMethods.SearchFligths(origin, destination, flightsData);
var searchedFlights =
flightsData.flightsCollection
.OrderBy(flight => flight.Price)
.ThenBy(flight => Convert.ToDateTime(flight.DepartureTime));
if (searchedFlights.Any())
{
Console.WriteLine();
foreach (var flight in searchedFlights)
{
Console.WriteLine($"{flight.Origin}-- > {flight.Destination}({flight.DepartureTime}-- >{flight.DestinationTime}) - ${flight.Price}");
}
Console.WriteLine("\n\n");
}
else
{
Console.WriteLine($"\nNo Flights Found for {origin} --> {destination}\n");
}
SearchFlightsMethods.DisplayMenu(ref inputText);
}
}
public static void AddFlights(string recordIn, char delimiter, string origin, string destination, FlightsCollection flightsData)
{
string[] fields;
DateTime prvDepartureTime;
DateTime prvDestinationTime;
Decimal prvPrice;
fields = recordIn.Split(delimiter);
string prvOrigin = fields[0];
DateTime.TryParse(fields[1].Replace('-', '/'), out prvDepartureTime);
string prvDestination = fields[2];
DateTime.TryParse(fields[3].Replace('-', '/'), out prvDestinationTime);
Decimal.TryParse(fields[4].Substring(1), out prvPrice);
if (prvOrigin == origin && prvDestination == destination)
{
Flights aFlight = new Flights
{
Origin = prvOrigin,
DepartureTime = prvDepartureTime,
Destination = prvDestination,
DestinationTime = prvDestinationTime,
Price = prvPrice
};
if (!flightsData.flightsCollection.Contains(aFlight))
{
flightsData.flightsCollection.Add(aFlight);
}
}
}
