public async Task <GZipStream> GetNationStatesDumpStream(NationStatesDumpType type)
{
var eventId = LogEventIdProvider.GetRandomLogEventId();
try
{
string url = "https://www.nationstates.net/pages/";
if (type == NationStatesDumpType.Nations)
{
url += "nations.xml.gz";
_logger.LogInformation(eventId, LogMessageBuilder.Build(eventId, "Retrieval of latest Nation dump requested"));
}
else if (type == NationStatesDumpType.Regions)
{
url += "regions.xml.gz";
_logger.LogInformation(eventId, LogMessageBuilder.Build(eventId, "Retrieval of latest Region dump requested"));
}
else
{
throw new NotImplementedException($"Retrieval for DumpType {type} not implemented yet.");
}
var stream = await ExecuteRequestWithStreamResult(url, eventId);
var compressed = new GZipStream(stream, CompressionMode.Decompress);
return(compressed);
}
finally
{
LogEventIdProvider.ReleaseEventId(eventId);
}
}
private async Task WriteDumpToLocalFileSystemAsync(NationStatesDumpType dumpType, Stream stream)
{
if (!(dumpType == NationStatesDumpType.Nations || dumpType == NationStatesDumpType.Regions))
{
throw new ArgumentException("Unknown DumpType");
}
string fileName = dumpType == NationStatesDumpType.Nations ? nationFileName : regionFileName;
using (var fs = new FileStream(fileName, FileMode.Create, FileAccess.Write))
{
using (var newCompressed = new GZipStream(fs, CompressionMode.Compress))
{
await stream.CopyToAsync(newCompressed);
}
}
}
