private async Task <IEnumerable <Folder> > FetchFoldersAsync(Config config, string tilde, CancellationToken cancellationToken)
{
// If the folder is invalid for any reason, we'll ignore it.
// Again, there's the potential for duplicate folder IDs (if the user's been fiddling their config).
// In this case, there's nothing really sensible we can do. Just pick one of them :)
var folderConstructionTasks = config.Folders
.Where(x => String.IsNullOrWhiteSpace(x.Invalid))
.DistinctBy(x => x.ID)
.Select(async folder =>
{
var status = await this.FetchFolderStatusAsync(folder.ID, cancellationToken);
var syncState = FolderStateTransformer.SyncStateFromString(status.State);
var path = folder.Path;
// Strip off UNC prefix, if they're put it on
if (path.StartsWith(uncPrefix))
{
path = path.Substring(uncPrefix.Length);
}
if (path.StartsWith("~"))
{
path = Path.Combine(tilde, path.Substring(1).TrimStart(Path.DirectorySeparatorChar, Path.AltDirectorySeparatorChar));
}
return(new Folder(folder.ID, folder.Label, path, folder.IsFsWatcherEnabled, syncState, status));
});
cancellationToken.ThrowIfCancellationRequested();
var folders = await Task.WhenAll(folderConstructionTasks);
var actualFolders = folders.Where(x => x != null);
return(actualFolders);
}
private void FolderSyncStateChanged(SyncStateChangedEventArgs e)
{
if (!this.folders.TryGetValue(e.FolderId, out var folder))
{
return; // We don't know about this folder
}
var syncState = FolderStateTransformer.SyncStateFromString(e.SyncState);
folder.SyncState = syncState;
if (syncState == FolderSyncState.Syncing)
{
folder.ClearFolderErrors();
this.OnFolderErrorsChanged(folder, new List <FolderError>());
}
this.OnSyncStateChanged(folder, FolderStateTransformer.SyncStateFromString(e.PrevSyncState), syncState);
}
