Update:Audiobook merge to set metadata with tone and replace m4b in library item #594

server/objects/AbManagerTask.js

@@ -0,0 +1,122 @@
+const { AudioMimeType } = require('../utils/constants')
+const { getAudioMimeTypeFromExtname } = require('../utils/fileUtils')
+const DEFAULT_EXPIRATION = 1000 * 60 * 60 // 60 minutes
+const DEFAULT_TIMEOUT = 1000 * 60 * 30 // 30 minutes
+
+class AbManagerTask {
+  constructor() {
+    this.id = null
+    this.libraryItemId = null
+    this.libraryItemPath = null
+    this.type = null
+
+    this.dirpath = null
+    this.path = null
+    this.ext = null
+    this.filename = null
+    this.size = 0
+    this.toneMetadataObject = null
+    this.originalTrackPaths = []
+
+    this.userId = null
+    this.isReady = false
+    this.isTimedOut = false
+
+    this.startedAt = null
+    this.finishedAt = null
+    this.expiresAt = null
+
+    this.expirationTimeMs = 0
+    this.timeoutTimeMs = 0
+
+    this.timeoutTimer = null
+    this.expirationTimer = null
+  }
+
+  get mimeType() {
+    return getAudioMimeTypeFromExtname(this.ext) || AudioMimeType.MP3
+  }
+
+  toJSON() {
+    return {
+      id: this.id,
+      libraryItemId: this.libraryItemId,
+      type: this.type,
+      dirpath: this.dirpath,
+      path: this.path,
+      ext: this.ext,
+      filename: this.filename,
+      size: this.size,
+      userId: this.userId,
+      isReady: this.isReady,
+      startedAt: this.startedAt,
+      finishedAt: this.finishedAt,
+      expirationSeconds: this.expirationSeconds,
+      toneMetadataObject: this.toneMetadataObject
+    }
+  }
+
+  setData(downloadData) {
+    downloadData.startedAt = Date.now()
+    downloadData.isProcessing = true
+    this.construct(downloadData)
+  }
+
+  construct(download) {
+    this.id = download.id
+    this.libraryItemId = download.libraryItemId
+    this.libraryItemPath = download.libraryItemPath
+    this.type = download.type
+
+    this.dirpath = download.dirpath
+    this.path = download.path
+    this.ext = download.ext
+    this.filename = download.filename
+    this.size = download.size || 0
+    this.originalTrackPaths = download.originalTrackPaths
+
+    this.userId = download.userId
+    this.isReady = !!download.isReady
+
+    this.startedAt = download.startedAt
+    this.finishedAt = download.finishedAt || null
+
+    this.expirationTimeMs = download.expirationTimeMs || DEFAULT_EXPIRATION
+    this.timeoutTimeMs = download.timeoutTimeMs || DEFAULT_TIMEOUT
+
+    this.expiresAt = download.expiresAt || null
+  }
+
+  setComplete(fileSize) {
+    this.finishedAt = Date.now()
+    this.size = fileSize
+    this.isReady = true
+    this.expiresAt = this.finishedAt + this.expirationTimeMs
+  }
+
+  setExpirationTimer(callback) {
+    this.expirationTimer = setTimeout(() => {
+      if (callback) {
+        callback(this)
+      }
+    }, this.expirationTimeMs)
+  }
+
+  setTimeoutTimer(callback) {
+    this.timeoutTimer = setTimeout(() => {
+      if (callback) {
+        this.isTimedOut = true
+        callback(this)
+      }
+    }, this.timeoutTimeMs)
+  }
+
+  clearTimeoutTimer() {
+    clearTimeout(this.timeoutTimer)
+  }
+
+  clearExpirationTimer() {
+    clearTimeout(this.expirationTimer)
+  }
+}
+module.exports = AbManagerTask