internal long GetNewSystems(Func <bool> cancelRequested, Action <int, string> reportProgress, Action <string> logLine)
{
string lstsyst;
DateTime lstsystdate;
// First system in EDSM is from 2015-05-01 00:39:40
DateTime gammadate = new DateTime(2015, 5, 1, 0, 0, 0, DateTimeKind.Utc);
bool outoforder = SQLiteConnectionSystem.GetSettingBool("EDSMSystemsOutOfOrder", true);
if (SystemClassDB.IsSystemsTableEmpty())
{
lstsystdate = gammadate;
}
else
{
// Get the most recent modify time returned from EDSM
DateTime lastmod = outoforder ? SystemClassDB.GetLastSystemModifiedTime() : SystemClassDB.GetLastSystemModifiedTimeFast();
lstsystdate = lastmod - TimeSpan.FromSeconds(1);
if (lstsystdate < gammadate)
{
lstsystdate = gammadate;
}
}
lstsyst = lstsystdate.ToString("yyyy-MM-dd HH:mm:ss", CultureInfo.InvariantCulture);
Console.WriteLine("EDSM Check date: " + lstsyst);
long updates = 0;
while (lstsystdate < DateTime.UtcNow)
{
if (cancelRequested())
{
return(updates);
}
DateTime enddate = lstsystdate + TimeSpan.FromHours(12);
if (enddate > DateTime.UtcNow)
{
enddate = DateTime.UtcNow;
}
logLine($"Downloading systems from {lstsystdate.ToLocalTime().ToString()} to {enddate.ToLocalTime().ToString()}");
reportProgress(-1, "Requesting systems from EDSM");
string json = null;
try
{
json = RequestSystems(lstsystdate, enddate);
}
catch (WebException ex)
{
reportProgress(-1, $"EDSM request failed");
if (ex.Status == WebExceptionStatus.ProtocolError && ex.Response != null && ex.Response is HttpWebResponse)
{
string status = ((HttpWebResponse)ex.Response).StatusDescription;
logLine($"Download of EDSM systems from the server failed ({status}), will try next time program is run");
}
else
{
logLine($"Download of EDSM systems from the server failed ({ex.Status.ToString()}), will try next time program is run");
}
break;
}
catch (Exception ex)
{
reportProgress(-1, $"EDSM request failed");
logLine($"Download of EDSM systems from the server failed ({ex.Message}), will try next time program is run");
break;
}
if (json == null)
{
reportProgress(-1, "EDSM request failed");
logLine("Download of EDSM systems from the server failed (no data returned), will try next time program is run");
break;
}
updates += SystemClassDB.ParseEDSMUpdateSystemsString(json, ref lstsyst, ref outoforder, false, cancelRequested, reportProgress, false);
lstsystdate += TimeSpan.FromHours(12);
}
logLine($"System download complete");
return(updates);
}
