public async Task<JarvisUpdateInfo> CheckForUpdates()
{
try
{
_log.Verbose("Getting releases from GitHub.");
var uri = new Uri("https://api.github.com/repos/spectresystems/jarvis/releases");
var response = await _client.GetAsync(uri);
if (!response.IsSuccessStatusCode)
{
_log.Warning($"GitHub returned status code {response.StatusCode} ({(int)response.StatusCode}) when checking for updates.");
return null;
}
var json = await response.Content.ReadAsStringAsync();
// Get the last release.
var result = JsonConvert.DeserializeObject<List<GitHubRelease>>(json)
.Where(x => !x.Draft);
// Should we not include previews?
if (!_settings.Get<bool>(Constants.Settings.General.IncludePreviews))
{
result = result.Where(x => !x.Prerelease);
}
// Return the latest version.
return result.OrderByDescending(x => x.PublishedAt)
.FirstOrDefault()?.ToJarvisUpdateInfo(_currentVersion);
}
catch (Exception ex)
{
_log.Error(ex, "An exception occured while checking for updates at GitHub.");
return null;
}
}
public Task <bool> Run(CancellationToken token)
{
return(Task.Run(() =>
{
while (true)
{
var indexingWatch = new Stopwatch();
indexingWatch.Start();
var result = LoadResults(token);
if (token.IsCancellationRequested)
{
break;
}
_log.Debug("Updating index...");
var indexUpdateWatch = new Stopwatch();
indexUpdateWatch.Start();
var trie = new Trie <IndexedEntry>();
foreach (var file in result)
{
// Index individual words as well as combinations.
Index(trie, file.Title, file);
Index(trie, file.Description, file);
// Also index the whole words without tokenization.
trie.Insert(file.Title, file);
// Is this a file path?
if (file is IHasPath entryWithPath)
{
if (entryWithPath.Path is FilePath filePath)
{
// Index individual words as well as combinations.
Index(trie, filePath.GetFilenameWithoutExtension().FullPath, file);
Index(trie, filePath.GetFilename().RemoveExtension().FullPath, file);
// Also index the whole words without tokenization.
trie.Insert(filePath.GetFilenameWithoutExtension().FullPath, file);
trie.Insert(filePath.GetFilename().FullPath, file);
}
}
}
indexUpdateWatch.Stop();
_log.Debug($"Building trie took {indexUpdateWatch.ElapsedMilliseconds}ms");
_log.Debug("Writing index...");
Interlocked.Exchange(ref _trie, trie);
_log.Verbose($"Nodes: {_trie.NodeCount}");
_log.Verbose($"Items: {_trie.ItemCount}");
indexingWatch.Stop();
_log.Debug($"Indexing done. Took {indexingWatch.ElapsedMilliseconds}ms");
// Wait for a while.
var index = WaitHandle.WaitAny(new[] { token.WaitHandle, _trigger }, (int)TimeSpan.FromMinutes(5).TotalMilliseconds);
if (index == 0)
{
_log.Information("We were instructed to stop (2).");
break;
}
// Triggered update?
if (index == 1)
{
_log.Information("A re-index was triggered.");
_trigger.Reset();
}
}
return true;
}, token));
}
public async Task <bool> Run(CancellationToken token)
{
while (true)
{
// Ask all sources for files.
var result = new HashSet <IndexedEntry>();
foreach (var source in _sources)
{
if (token.WaitHandle.WaitOne((int)TimeSpan.FromMinutes(0).TotalMilliseconds))
{
_log.Information("We were instructed to stop (1). Aborting indexing...");
break;
}
_log.Debug($"Running '{source.Name}' indexer...");
foreach (var file in source.Index())
{
result.Add(file);
}
}
_log.Debug("Updating index...");
var trie = new Trie <IndexedEntry>();
foreach (var file in result)
{
// Index individual words as well as combinations.
Index(trie, file.Title, file);
Index(trie, file.Description, file);
// Also index the whole words without tokenization.
trie.Insert(file.Title, file);
// Is this a file path?
if (file is IHasPath entryWithPath)
{
if (entryWithPath.Path is FilePath filePath)
{
// Index individual words as well as combinations.
Index(trie, filePath.GetFilenameWithoutExtension().FullPath, file);
Index(trie, filePath.GetFilename().RemoveExtension().FullPath, file);
// Also index the whole words without tokenization.
trie.Insert(filePath.GetFilenameWithoutExtension().FullPath, file);
trie.Insert(filePath.GetFilename().FullPath, file);
}
}
}
_log.Debug("Writing index...");
using (await _lock.WriterLockAsync(token))
{
_trie = trie;
}
_log.Verbose($"Nodes: {_trie.NodeCount}");
_log.Verbose($"Items: {_trie.ItemCount}");
// Wait for a minute.
_log.Debug("Indexing done.");
if (token.WaitHandle.WaitOne((int)TimeSpan.FromMinutes(5).TotalMilliseconds))
{
_log.Information("We were instructed to stop (2).");
break;
}
}
return(true);
}
