Init

server/Watcher.js

@@ -0,0 +1,71 @@
+var EventEmitter = require('events')
+var Logger = require('./Logger')
+var chokidar = require('chokidar')
+
+class FolderWatcher extends EventEmitter {
+  constructor(audiobookPath) {
+    super()
+    this.AudiobookPath = audiobookPath
+    this.folderMap = {}
+    this.watcher = null
+  }
+
+  initWatcher() {
+    try {
+      Logger.info('[WATCHER] Initializing..')
+      this.watcher = chokidar.watch(this.AudiobookPath, {
+        ignoreInitial: true,
+        ignored: /(^|[\/\\])\../, // ignore dotfiles
+        persistent: true,
+        awaitWriteFinish: {
+          stabilityThreshold: 2500,
+          pollInterval: 500
+        }
+      })
+      this.watcher
+        .on('add', (path) => {
+          this.onNewFile(path)
+        }).on('change', (path) => {
+          this.onFileUpdated(path)
+        }).on('unlink', path => {
+          this.onFileRemoved(path)
+        }).on('error', (error) => {
+          Logger.error(`Watcher error: ${error}`)
+        }).on('ready', () => {
+          Logger.info('[WATCHER] Ready')
+        })
+    } catch (error) {
+      Logger.error('Chokidar watcher failed', error)
+    }
+
+  }
+
+  close() {
+    return this.watcher.close()
+  }
+
+  onNewFile(path) {
+    Logger.info('FolderWatcher: New File', path)
+    this.emit('file_added', {
+      path: path.replace(this.AudiobookPath, ''),
+      fullPath: path
+    })
+  }
+
+  onFileRemoved(path) {
+    Logger.info('FolderWatcher: File Removed', path)
+    this.emit('file_removed', {
+      path: path.replace(this.AudiobookPath, ''),
+      fullPath: path
+    })
+  }
+
+  onFileUpdated(path) {
+    Logger.info('FolderWatcher: Updated File', path)
+    this.emit('file_updated', {
+      path: path.replace(this.AudiobookPath, ''),
+      fullPath: path
+    })
+  }
+}
+module.exports = FolderWatcher