public static async Task <string> GetStringAsync(string url, CancellationToken cancellation = default)
{
try {
var result = await InternalUtils.CmGetDataAsync(url, UserAgent, cancellation : cancellation);
if (cancellation.IsCancellationRequested)
{
return(null);
}
return(result == null ? null : Encoding.UTF8.GetString(result));
} catch (Exception e) {
Logging.Warning(e);
return(null);
}
}
public static async Task <Tuple <string, bool> > GetStaticDataAsync([NotNull] string id, TimeSpan maxAge, IProgress <AsyncProgressEntry> progress = null,
CancellationToken cancellation = default(CancellationToken))
{
var file = new FileInfo(FilesStorage.Instance.GetFilename("Static", $"{id}.zip"));
if (file.Exists && (JustLoadedStaticData.Contains(id) || DateTime.Now - file.LastWriteTime < maxAge))
{
return(Tuple.Create(file.FullName, false));
}
var result = await InternalUtils.CmGetDataAsync($"static/get/{id}", UserAgent,
file.Exists?file.LastWriteTime : (DateTime?)null, progress, cancellation).ConfigureAwait(false);
if (cancellation.IsCancellationRequested)
{
return(null);
}
if (result != null && result.Item1.Length != 0)
{
Logging.Write($"Fresh version of {id} loaded, from {result.Item2?.ToString() ?? "UNKNOWN"}");
var lastWriteTime = result.Item2 ?? DateTime.Now;
await FileUtils.WriteAllBytesAsync(file.FullName, result.Item1, cancellation).ConfigureAwait(false);
file.Refresh();
file.LastWriteTime = lastWriteTime;
JustLoadedStaticData.Add(id);
return(Tuple.Create(file.FullName, true));
}
if (!file.Exists)
{
return(null);
}
Logging.Write($"Cached {id} used");
JustLoadedStaticData.Add(id);
return(Tuple.Create(file.FullName, false));
}
public static Task <byte[]> GetDataAsync(string url, IProgress <double?> progress = null,
CancellationToken cancellation = default(CancellationToken))
{
return(InternalUtils.CmGetDataAsync(url, UserAgent, progress, cancellation));
}
