private async Task <Metar> GetMetarAsync(string icao, bool isParse)
{
Metar met = null;
if (!string.IsNullOrWhiteSpace(icao))
{
var url = URL.Replace(@"#", icao.ToUpperInvariant());
using (var resp = await this.Client.GetAsync(url))
{
using (var stream = await resp.Content.ReadAsStreamAsync())
{
using (var reader = new StreamReader(stream))
{
var date = new DateTime(DateTime.Parse(reader.ReadLine().Trim()).Ticks, DateTimeKind.Utc);
var raw = reader.ReadLine().Trim();
met = new Metar(raw, date, icao);
if (isParse)
{
met.Parse();
}
}
}
}
}
return(met);
}
//TODO Add above GetMetarAsync
private IEnumerable <Metar> GetBulk(bool isParse)
{
var metList = new List <Metar>();
//TODO handle timeout etc
using (var resp = this.Client.GetAsync(URLBULK).Result)
{
using (var stream = resp.Content.ReadAsStreamAsync().Result)
{
using (var gzStream = new GZipStream(stream, CompressionMode.Decompress))
{
//TODO parallel
using (var sr = new StreamReader(gzStream))
{
//header flag (1st line)
bool header = false;
while (!sr.EndOfStream)
{
var line = sr.ReadLine();
var match = Regex.Match(line, SplittPatt);
if (match.Success)
{
if (header)
{
var met = new Metar(match.Groups["rep"].Value, DateTime.Parse(match.Groups["time"].Value), match.Groups["icao"].Value);
metList.Add(met);
if (isParse)
{
met.Parse();
}
}
else
{
//Skip header line
sr.ReadLine();
header = true;
}
}
}
}
}
}
}
return(metList);
}
