public FileSystemWatcher CreateDirectoryWatcher(string file)
{
var watcher = new FileSystemWatcher();
watcher.Path = file;
watcher.NotifyFilter = NotifyFilters.DirectoryName;
watcher.IncludeSubdirectories = true;
var observer = Observable
.FromEvent <FileSystemEventHandler, FileSystemEventArgs>(
c => c.Invoke,
h =>
{
watcher.Created += h;
watcher.Deleted += h;
},
h =>
{
watcher.Created -= h;
watcher.Deleted -= h;
})
.Do(x =>
{
var path = GetPathFromEvent(x);
if (x.EventArgs.ChangeType == WatcherChangeTypes.Deleted)
{
OnApplicationDeletion(path);
}
else
{
OnNewApplication(path);
}
})
.Subscribe();
SystemObservers.Add(observer);
watcher.EnableRaisingEvents = true;
return(watcher);
}
public FileSystemWatcher CreateFileWatcher(string file)
{
var watcher = new FileSystemWatcher();
watcher.Path = file;
watcher.NotifyFilter = NotifyFilters.LastWrite;
watcher.IncludeSubdirectories = true;
watcher.InternalBufferSize = BUFFER_64K;
var observer = Observable
.FromEvent <FileSystemEventHandler, FileSystemEventArgs>(
c => c.Invoke,
h =>
{
watcher.Changed += h;
watcher.Deleted += h;
},
h =>
{
watcher.Changed -= h;
watcher.Deleted -= h;
})
.Where(x => !string.IsNullOrEmpty(Path.GetExtension(x.EventArgs.FullPath)))
.Throttle(TimeSpan.FromSeconds(5))
.Do(x =>
{
var path = GetPathFromEvent(x);
if (x.EventArgs.ChangeType != WatcherChangeTypes.Deleted)
{
OnApplicationChange(path);
}
})
.Subscribe();
SystemObservers.Add(observer);
watcher.EnableRaisingEvents = true;
return(watcher);
}