117 lines
2.9 KiB
Go
117 lines
2.9 KiB
Go
package scanner
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import (
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"os"
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"path/filepath"
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"seanime/internal/events"
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"strings"
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"github.com/fsnotify/fsnotify"
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"github.com/rs/zerolog"
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)
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// Watcher is a custom file system event watcher
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type Watcher struct {
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Watcher *fsnotify.Watcher
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Logger *zerolog.Logger
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WSEventManager events.WSEventManagerInterface
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TotalSize string
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}
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type NewWatcherOptions struct {
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Logger *zerolog.Logger
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WSEventManager events.WSEventManagerInterface
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}
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// NewWatcher creates a new Watcher instance for monitoring a directory and its subdirectories
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func NewWatcher(opts *NewWatcherOptions) (*Watcher, error) {
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watcher, err := fsnotify.NewWatcher()
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if err != nil {
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return nil, err
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}
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return &Watcher{
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Watcher: watcher,
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Logger: opts.Logger,
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WSEventManager: opts.WSEventManager,
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}, nil
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}
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//----------------------------------------------------------------------------------------------------------------------
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type WatchLibraryFilesOptions struct {
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LibraryPaths []string
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}
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// InitLibraryFileWatcher starts watching the specified directory and its subdirectories for file system events
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func (w *Watcher) InitLibraryFileWatcher(opts *WatchLibraryFilesOptions) error {
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// Define a function to add directories and their subdirectories to the watcher
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watchDir := func(dir string) error {
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err := filepath.Walk(dir, func(path string, info os.FileInfo, err error) error {
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if err != nil {
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return nil
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}
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if info.IsDir() {
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return w.Watcher.Add(path)
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}
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return nil
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})
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return err
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}
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// Add the initial directory and its subdirectories to the watcher
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for _, path := range opts.LibraryPaths {
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if err := watchDir(path); err != nil {
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return err
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}
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}
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w.Logger.Info().Msgf("watcher: Watching directories: %+v", opts.LibraryPaths)
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return nil
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}
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func (w *Watcher) StartWatching(
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onFileAction func(),
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) {
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// Start a goroutine to handle file system events
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go func() {
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for {
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select {
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case event, ok := <-w.Watcher.Events:
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if !ok {
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return
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}
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//if event.Op&fsnotify.Write == fsnotify.Write {
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//}
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if strings.Contains(event.Name, ".part") || strings.Contains(event.Name, ".tmp") {
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continue
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}
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if event.Op&fsnotify.Create == fsnotify.Create {
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w.Logger.Debug().Msgf("watcher: File created: %s", event.Name)
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w.WSEventManager.SendEvent(events.LibraryWatcherFileAdded, event.Name)
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onFileAction()
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}
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if event.Op&fsnotify.Remove == fsnotify.Remove {
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w.Logger.Debug().Msgf("watcher: File removed: %s", event.Name)
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w.WSEventManager.SendEvent(events.LibraryWatcherFileRemoved, event.Name)
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onFileAction()
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}
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case err, ok := <-w.Watcher.Errors:
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if !ok {
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return
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}
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w.Logger.Warn().Err(err).Msgf("watcher: Error while watching directory")
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}
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}
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}()
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}
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func (w *Watcher) StopWatching() {
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err := w.Watcher.Close()
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if err == nil {
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w.Logger.Trace().Err(err).Msgf("watcher: Watcher stopped")
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}
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}
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