audiobookshelf/server/objects/Download.js
2022-06-12 15:59:36 -05:00

126 lines
2.9 KiB
JavaScript

const DEFAULT_EXPIRATION = 1000 * 60 * 60 // 60 minutes
const DEFAULT_TIMEOUT = 1000 * 60 * 30 // 30 minutes
class Download {
constructor(download) {
this.id = null
this.libraryItemId = null
this.type = null
this.dirpath = null
this.path = null
this.ext = null
this.filename = null
this.size = 0
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
if (download) {
this.construct(download)
}
}
get mimeType() {
if (this.ext === '.mp3' || this.ext === '.m4b' || this.ext === '.m4a') {
return 'audio/mpeg'
} else if (this.ext === '.mp4') {
return 'audio/mp4'
} else if (this.ext === '.ogg') {
return 'audio/ogg'
} else if (this.ext === '.aac' || this.ext === '.m4p') {
return 'audio/aac'
}
return 'audio/mpeg'
}
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
}
}
construct(download) {
this.id = download.id
this.libraryItemId = download.libraryItemId
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.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
}
setData(downloadData) {
downloadData.startedAt = Date.now()
downloadData.isProcessing = true
this.construct(downloadData)
}
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 = Download