Add:Schedule podcast new episode checks

This commit is contained in:
advplyr 2022-08-19 18:41:58 -05:00
parent a690dfe671
commit 46668854ad
7 changed files with 315 additions and 85 deletions

View file

@ -1,5 +1,4 @@
const fs = require('../libs/fsExtra')
const cron = require('../libs/nodeCron')
const axios = require('axios')
const { parsePodcastRssFeedXml } = require('../utils/podcastUtils')
@ -23,22 +22,14 @@ class PodcastManager {
this.downloadQueue = []
this.currentDownload = null
this.episodeScheduleTask = null
this.failedCheckMap = {},
this.MaxFailedEpisodeChecks = 24
this.failedCheckMap = {}
this.MaxFailedEpisodeChecks = 24
}
get serverSettings() {
return this.db.serverSettings || {}
}
init() {
var podcastsWithAutoDownload = this.db.libraryItems.some(li => li.mediaType === 'podcast' && li.media.autoDownloadEpisodes)
if (podcastsWithAutoDownload) {
this.schedulePodcastEpisodeCron()
}
}
getEpisodeDownloadsInQueue(libraryItemId) {
return this.downloadQueue.filter(d => d.libraryItemId === libraryItemId)
}
@ -189,73 +180,45 @@ class PodcastManager {
return newAudioFile
}
schedulePodcastEpisodeCron() {
try {
Logger.debug(`[PodcastManager] Scheduled podcast episode check cron "${this.serverSettings.podcastEpisodeSchedule}"`)
this.episodeScheduleTask = cron.schedule(this.serverSettings.podcastEpisodeSchedule, () => {
Logger.debug(`[PodcastManager] Running cron`)
this.checkForNewEpisodes()
})
} catch (error) {
Logger.error(`[PodcastManager] Failed to schedule podcast cron ${this.serverSettings.podcastEpisodeSchedule}`, error)
}
}
// Returns false if auto download episodes was disabled (disabled if reaches max failed checks)
async runEpisodeCheck(libraryItem) {
const lastEpisodeCheckDate = new Date(libraryItem.media.lastEpisodeCheck || 0)
const latestEpisodePublishedAt = libraryItem.media.latestEpisodePublished
Logger.info(`[PodcastManager] runEpisodeCheck: "${libraryItem.media.metadata.title}" | Last check: ${lastEpisodeCheckDate} | ${latestEpisodePublishedAt ? `Latest episode pubDate: ${new Date(latestEpisodePublishedAt)}` : 'No latest episode'}`)
cancelCron() {
Logger.debug(`[PodcastManager] Canceled new podcast episode check cron`)
if (this.episodeScheduleTask) {
this.episodeScheduleTask.destroy()
this.episodeScheduleTask = null
}
}
// Use latest episode pubDate if exists OR fallback to using lastEpisodeCheckDate
// lastEpisodeCheckDate will be the current time when adding a new podcast
const dateToCheckForEpisodesAfter = latestEpisodePublishedAt || lastEpisodeCheckDate
Logger.debug(`[PodcastManager] runEpisodeCheck: "${libraryItem.media.metadata.title}" checking for episodes after ${new Date(dateToCheckForEpisodesAfter)}`)
async checkForNewEpisodes() {
var podcastsWithAutoDownload = this.db.libraryItems.filter(li => li.mediaType === 'podcast' && li.media.autoDownloadEpisodes)
if (!podcastsWithAutoDownload.length) {
Logger.info(`[PodcastManager] checkForNewEpisodes - No podcasts with auto download set`)
this.cancelCron()
return
}
Logger.debug(`[PodcastManager] checkForNewEpisodes - Checking ${podcastsWithAutoDownload.length} Podcasts`)
var newEpisodes = await this.checkPodcastForNewEpisodes(libraryItem, dateToCheckForEpisodesAfter)
Logger.debug(`[PodcastManager] runEpisodeCheck: ${newEpisodes ? newEpisodes.length : 'N/A'} episodes found`)
for (const libraryItem of podcastsWithAutoDownload) {
const lastEpisodeCheckDate = new Date(libraryItem.media.lastEpisodeCheck || 0)
const latestEpisodePublishedAt = libraryItem.media.latestEpisodePublished
Logger.info(`[PodcastManager] checkForNewEpisodes: "${libraryItem.media.metadata.title}" | Last check: ${lastEpisodeCheckDate} | ${latestEpisodePublishedAt ? `Latest episode pubDate: ${new Date(latestEpisodePublishedAt)}` : 'No latest episode'}`)
// Use latest episode pubDate if exists OR fallback to using lastEpisodeCheckDate
// lastEpisodeCheckDate will be the current time when adding a new podcast
const dateToCheckForEpisodesAfter = latestEpisodePublishedAt || lastEpisodeCheckDate
Logger.debug(`[PodcastManager] checkForNewEpisodes: "${libraryItem.media.metadata.title}" checking for episodes after ${new Date(dateToCheckForEpisodesAfter)}`)
var newEpisodes = await this.checkPodcastForNewEpisodes(libraryItem, dateToCheckForEpisodesAfter)
Logger.debug(`[PodcastManager] checkForNewEpisodes checked result ${newEpisodes ? newEpisodes.length : 'N/A'}`)
if (!newEpisodes) { // Failed
// Allow up to 3 failed attempts before disabling auto download
if (!this.failedCheckMap[libraryItem.id]) this.failedCheckMap[libraryItem.id] = 0
this.failedCheckMap[libraryItem.id]++
if (this.failedCheckMap[libraryItem.id] >= this.MaxFailedEpisodeChecks) {
Logger.error(`[PodcastManager] checkForNewEpisodes ${this.failedCheckMap[libraryItem.id]} failed attempts at checking episodes for "${libraryItem.media.metadata.title}" - disabling auto download`)
libraryItem.media.autoDownloadEpisodes = false
delete this.failedCheckMap[libraryItem.id]
} else {
Logger.warn(`[PodcastManager] checkForNewEpisodes ${this.failedCheckMap[libraryItem.id]} failed attempts at checking episodes for "${libraryItem.media.metadata.title}"`)
}
} else if (newEpisodes.length) {
if (!newEpisodes) { // Failed
// Allow up to MaxFailedEpisodeChecks failed attempts before disabling auto download
if (!this.failedCheckMap[libraryItem.id]) this.failedCheckMap[libraryItem.id] = 0
this.failedCheckMap[libraryItem.id]++
if (this.failedCheckMap[libraryItem.id] >= this.MaxFailedEpisodeChecks) {
Logger.error(`[PodcastManager] runEpisodeCheck ${this.failedCheckMap[libraryItem.id]} failed attempts at checking episodes for "${libraryItem.media.metadata.title}" - disabling auto download`)
libraryItem.media.autoDownloadEpisodes = false
delete this.failedCheckMap[libraryItem.id]
Logger.info(`[PodcastManager] Found ${newEpisodes.length} new episodes for podcast "${libraryItem.media.metadata.title}" - starting download`)
this.downloadPodcastEpisodes(libraryItem, newEpisodes, true)
} else {
delete this.failedCheckMap[libraryItem.id]
Logger.debug(`[PodcastManager] No new episodes for "${libraryItem.media.metadata.title}"`)
Logger.warn(`[PodcastManager] runEpisodeCheck ${this.failedCheckMap[libraryItem.id]} failed attempts at checking episodes for "${libraryItem.media.metadata.title}"`)
}
libraryItem.media.lastEpisodeCheck = Date.now()
libraryItem.updatedAt = Date.now()
await this.db.updateLibraryItem(libraryItem)
this.emitter('item_updated', libraryItem.toJSONExpanded())
} else if (newEpisodes.length) {
delete this.failedCheckMap[libraryItem.id]
Logger.info(`[PodcastManager] Found ${newEpisodes.length} new episodes for podcast "${libraryItem.media.metadata.title}" - starting download`)
this.downloadPodcastEpisodes(libraryItem, newEpisodes, true)
} else {
delete this.failedCheckMap[libraryItem.id]
Logger.debug(`[PodcastManager] No new episodes for "${libraryItem.media.metadata.title}"`)
}
libraryItem.media.lastEpisodeCheck = Date.now()
libraryItem.updatedAt = Date.now()
await this.db.updateLibraryItem(libraryItem)
this.emitter('item_updated', libraryItem.toJSONExpanded())
return libraryItem.media.autoDownloadEpisodes
}
async checkPodcastForNewEpisodes(podcastLibraryItem, dateToCheckForEpisodesAfter) {