Set title/artist metadata in downloader

plugins/downloader/actions.js

@@ -1,6 +1,7 @@
 const CHANNEL = "downloader";
 const ACTIONS = {
 	ERROR: "error",
+	METADATA: "metadata",
 };
 
 module.exports = {

plugins/downloader/back.js

@@ -2,6 +2,7 @@ const { join } = require("path");
 
 const { dialog } = require("electron");
 
+const getSongInfo = require("../../providers/song-info");
 const { injectCSS, listenAction } = require("../utils");
 const { ACTIONS, CHANNEL } = require("./actions.js");
 
@@ -16,14 +17,26 @@ const sendError = (win, err) => {
 	dialog.showMessageBox(dialogOpts);
 };
 
+let metadata = {};
+
 function handle(win) {
 	injectCSS(win.webContents, join(__dirname, "style.css"));
+	const registerCallback = getSongInfo(win);
+	registerCallback((info) => {
+		metadata = {
+			...info,
+			image: info.image ? info.image.toDataURL() : undefined,
+		};
+	});
 
 	listenAction(CHANNEL, (event, action, error) => {
 		switch (action) {
 			case ACTIONS.ERROR:
 				sendError(win, error);
 				break;
+			case ACTIONS.METADATA:
+				event.returnValue = JSON.stringify(metadata);
+				break;
 			default:
 				console.log("Unknown action: " + action);
 		}

plugins/downloader/youtube-dl.js

@@ -12,6 +12,9 @@ const filenamify = require("filenamify");
 const FFmpeg = require("@ffmpeg/ffmpeg/dist/ffmpeg.min");
 const ytdl = require("ytdl-core");
 
+const { triggerActionSync } = require("../utils");
+const { ACTIONS, CHANNEL } = require("./actions.js");
+
 const { createFFmpeg } = FFmpeg;
 const ffmpeg = createFFmpeg({
 	log: false,
@@ -93,6 +96,7 @@ const toMP3 = async (
 		await ffmpeg.run(
 			"-i",
 			safeVideoName,
+			...getFFmpegMetadataArgs(),
 			...(options.ffmpegArgs || []),
 			safeVideoName + "." + extension
 		);
@@ -112,6 +116,20 @@ const toMP3 = async (
 	}
 };
 
+const getFFmpegMetadataArgs = () => {
+	const metadata = JSON.parse(triggerActionSync(CHANNEL, ACTIONS.METADATA));
+	if (!metadata) {
+		return;
+	}
+
+	return [
+		"-metadata",
+		`title=${metadata.title}`,
+		"-metadata",
+		`artist=${metadata.artist}`,
+	];
+};
+
 module.exports = {
 	downloadVideoToMP3,
 };

plugins/utils.js

@@ -24,6 +24,10 @@ module.exports.triggerAction = (channel, action, ...args) => {
 	return ipcRenderer.send(channel, action, ...args);
 };
 
+module.exports.triggerActionSync = (channel, action, ...args) => {
+	return ipcRenderer.sendSync(channel, action, ...args);
+};
+
 module.exports.listenAction = (channel, callback) => {
 	return ipcMain.on(channel, callback);
 };