public ReadOnlyCollection <ILegDTO> FindDepartures(string @from, TransportType allowedTransportTypes)
{
UtilityClass.CheckNotNull(from);
UtilityClass.CheckOnlyAlphanumChar(from);
UtilityClass.CheckNameLength(from);
UtilityClass.CheckTransportType(allowedTransportTypes);
try
{
using (var travelCompanyDBContext = new TravelCompanyContext(TravelCompanyConnectionString))
{
List <ILegDTO> legsDTO = new List <ILegDTO>();
var elementsLegDb = from l in travelCompanyDBContext.legs
where (l.From == @from && allowedTransportTypes.HasFlag(l.TransportT))
select l;
foreach (var leg in elementsLegDb)
{
legsDTO.Add(new LegDTO(leg.From, leg.To, leg.Distance, leg.Cost, leg.TransportT));
}
return(legsDTO.AsReadOnly());
}
}
catch (Exception e)
{
throw new DbConnectionException(e.Message, e);
}
}
