From 6bcc874243a5e451bd4798c2a2a951db2d92b9f9 Mon Sep 17 00:00:00 2001
From: Evert Prants <imsonotsleepy@gmail.com>
Date: Thu, 7 Feb 2019 20:04:15 +0200
Subject: [PATCH] add expiry time to in-memory external track files

---
 src/lastfm.js | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/src/lastfm.js b/src/lastfm.js
index 22a45c8..8a8a716 100644
--- a/src/lastfm.js
+++ b/src/lastfm.js
@@ -5,6 +5,7 @@ import crypto from 'crypto'
 
 const fs = require('fs').promises
 const values = require(path.join(process.cwd(), 'values.json'))
+const memexpire = 1800
 
 let externalTracks = {}
 let downloadQueue = []
@@ -37,7 +38,11 @@ async function downloadLocally (id) {
 async function getTrackMetaReal (id) {
   if (!id || !externalTracks[id]) return null
   let trdata = externalTracks[id]
-  if (trdata.file) return Object.assign({}, trdata)
+
+  // Check for expiry
+  if (trdata.file && trdata.expires > Date.now()) {
+    return Object.assign({}, trdata)
+  }
 
   let trsrch = 'ytsearch1:' + trdata.artist + ' - ' + trdata.title
   let dldata = await dl.getVideoInfo(trsrch)
@@ -48,6 +53,7 @@ async function getTrackMetaReal (id) {
     artist: trdata.artist,
     file: dldata.url,
     duration: dldata.duration,
+    expires: Date.now() + memexpire * 1000,
     external: true
   }
 
@@ -76,7 +82,8 @@ async function search (track, limit = 30) {
       id: createHash(res),
       artist: res.artist,
       title: res.name,
-      external: true
+      external: true,
+      mbid: res.mbid
     }
 
     if (externalTracks[clean.id]) {