private static void LoadCsvFile(Feed feed, KeyValuePair<string, Type> map, TextReader tr)
{
using (CsvReader reader = new CsvReader(tr))
{
SetFeed(feed, reader.GetRecords(map.Value).ToList(), map.Value);
}
}
public static Feed LoadZip(ZipArchive archive)
{
Dictionary<string, Type> mapping = new Dictionary<string, Type>()
{
{"agency.txt" , typeof(Agency)},
{"stops.txt" , typeof(Stop)},
{"routes.txt" , typeof(Route)},
{"trips.txt" , typeof(Trip)},
{"stop_times.txt" , typeof(StopTime)},
{"calendar.txt" , typeof(Calendar)},
{"calendar_dates.txt", typeof(CalendarDate)},
{"fare_attributes.txt", typeof(FareAttribute)},
{"fare_rules.txt" , typeof(FareRule)},
{"shapes.txt" , typeof(Shape)},
{"frequencies.txt" , typeof(Frequency)},
{"transfers.txt" , typeof(Transfer)},
{"feed_info.txt" , typeof(FeedInfo)}
};
Feed feed = new Feed();
Parallel.ForEach(mapping, map =>
{
LoadFiles(archive, feed, map);
});
return feed;
}
private static void LoadFiles(ZipArchive archive, Feed feed, KeyValuePair<string, Type> map)
{
ZipArchiveEntry entry = archive.GetEntry(map.Key);
using (Stream stream = entry.Open())
{
using (TextReader tr = new StreamReader(stream))
{
LoadCsvFile(feed, map, tr);
}
}
}
private static void SetFeed(Feed feed, IEnumerable<object> enumerable, Type mappedType)
{
switch (mappedType.Name)
{
case "Agency":
feed.Agency.AddRange((IEnumerable<Agency>)enumerable);
break;
case "Stop":
feed.Stops.AddRange((IEnumerable<Stop>)enumerable);
break;
case "Route":
feed.Routes.AddRange((IEnumerable<Route>)enumerable);
break;
case "Trip":
feed.Trips.AddRange((IEnumerable<Trip>)enumerable);
break;
case "StopTime":
feed.StopTimes.AddRange((IEnumerable<StopTime>)enumerable);
break;
case "Calendar":
feed.Calendar.AddRange((IEnumerable<Calendar>)enumerable);
break;
case "CalendarDate":
feed.CalendarDates.AddRange((IEnumerable<CalendarDate>)enumerable);
break;
case "FareAttribute":
feed.FareAttributes.AddRange((IEnumerable<FareAttribute>)enumerable);
break;
case "FareRule":
feed.FareRules.AddRange((IEnumerable<FareRule>)enumerable);
break;
case "Shape":
feed.Shapes.AddRange((IEnumerable<Shape>)enumerable);
break;
case "Frequency":
feed.Frequencies.AddRange((IEnumerable<Frequency>)enumerable);
break;
case "Transfer":
feed.Transfers.AddRange((IEnumerable<Transfer>)enumerable);
break;
case "FeedInfo":
feed.FeedInfo.AddRange((IEnumerable<FeedInfo>)enumerable);
break;
}
}