/// <summary>
/// Groups list of stops by their trip short name, merges and sorts their stop times.
/// </summary>
/// <param name="data"></param>
/// <returns></returns>
public static List <StopDataModel> GroupByTripShortName(this List <StopDataModel> data)
{
if (data.First() == null)
{
return(new List <StopDataModel>());
}
List <StopDataModel> temp = new List <StopDataModel>();
StopDataModel previous = null;
foreach (string distinctedTripShortName in data.Select(x => x.TripShortName).Distinct())
{
foreach (StopDataModel item in data.Where(x => x.TripShortName == distinctedTripShortName))
{
if (previous == null)
{
previous = item;
previous.TripHeadsign = "";
continue;
}
previous.DepartureTimes.AddRange(item.DepartureTimes);
}
previous.DepartureTimes = previous.DepartureTimes.OrderBy(x => x).ToList();
temp.Add(previous);
previous = null;
}
return(temp);
}
/// <summary>
/// Maps table like list StopDataEntity into object like representation StopDataModel.
/// </summary>
/// <param name="data"></param>
/// <param name="stopName"></param>
/// <returns></returns>
public static List <StopDataModel> StopDataEntityToModel(this List <StopDataEntity> data, string stopName)
{
StopDataModel previous = null;
List <StopDataModel> mappedData = new List <StopDataModel>();
foreach (var item in data)
{
if (previous == null)
{
previous = new StopDataModel()
{
StopLat = item.StopLat,
StopLon = item.StopLon,
HTMLColor = item.HTMLColor,
StopName = stopName,
TripShortName = item.TripShortName,
TripHeadsign = item.TripHeadsign,
DirectionID = item.DirectionID,
RouteId = item.RouteId,
RouteShortName = item.RouteShortName,
DepartureTimes = new List <string>()
{
item.DepartureTime.Trim()
}
};
}
else if (item.TripHeadsign != previous.TripHeadsign ||
item.TripShortName != previous.TripShortName ||
item.DirectionID != previous.DirectionID)
{
mappedData.Add(previous);
previous = new StopDataModel()
{
StopLat = item.StopLat,
StopLon = item.StopLon,
HTMLColor = item.HTMLColor,
StopName = stopName,
TripShortName = item.TripShortName,
TripHeadsign = item.TripHeadsign,
DirectionID = item.DirectionID,
RouteId = item.RouteId,
RouteShortName = item.RouteShortName,
DepartureTimes = new List <string>()
{
item.DepartureTime.Trim()
}
};
}
else
{
previous.DepartureTimes.Add(item.DepartureTime.Trim());
}
}
mappedData.Add(previous);
foreach (var item in mappedData)
{
if (item != null)
{
item.DepartureTimes = item.DepartureTimes.OrderDepartureTimeAscending();
}
}
return(mappedData);
}