class AudiobookProgress { constructor(progress) { this.audiobookId = null this.audiobookTitle = null this.totalDuration = null // seconds this.progress = null // 0 to 1 this.currentTime = null // seconds this.isRead = false this.lastUpdate = null this.startedAt = null this.finishedAt = null if (progress) { this.construct(progress) } } toJSON() { return { audiobookId: this.audiobookId, audiobookTitle: this.audiobookTitle, totalDuration: this.totalDuration, progress: this.progress, currentTime: this.currentTime, isRead: this.isRead, lastUpdate: this.lastUpdate, startedAt: this.startedAt, finishedAt: this.finishedAt } } construct(progress) { this.audiobookId = progress.audiobookId this.audiobookTitle = progress.audiobookTitle || null this.totalDuration = progress.totalDuration this.progress = progress.progress this.currentTime = progress.currentTime this.isRead = !!progress.isRead this.lastUpdate = progress.lastUpdate this.startedAt = progress.startedAt this.finishedAt = progress.finishedAt || null } updateFromStream(stream) { this.audiobookId = stream.audiobookId this.audiobookTitle = stream.audiobookTitle this.totalDuration = stream.totalDuration this.progress = stream.clientProgress this.currentTime = stream.clientCurrentTime this.lastUpdate = Date.now() if (!this.startedAt) { this.startedAt = Date.now() } // If has < 10 seconds remaining mark as read var timeRemaining = this.totalDuration - this.currentTime if (timeRemaining < 10) { if (!this.isRead) { this.isRead = true this.progress = 1 this.finishedAt = Date.now() } } else { this.isRead = false this.finishedAt = null } } update(payload) { var hasUpdates = false for (const key in payload) { if (payload[key] !== this[key]) { if (key === 'isRead') { if (!payload[key]) { // Updating to Not Read - Reset progress and current time this.finishedAt = null this.progress = 0 this.currentTime = 0 } else { // Updating to Read if (!this.finishedAt) this.finishedAt = Date.now() this.progress = 1 } } this[key] = payload[key] hasUpdates = true } } if (!this.startedAt) { this.startedAt = Date.now() } return hasUpdates } } module.exports = AudiobookProgress