can play music now

events.py

@@ -2,19 +2,62 @@
 """
 WebSocket events.
 """
+import os
 import types
+from urllib import parse
+
+import config
+
+async def select_artist(request, ws, data):
+	"""Select an artist."""
+	artist = data.get('artist', '')
+	async with request.app['pool'].acquire() as conn:
+		albums = await conn.fetch(
+			"SELECT DISTINCT album, date FROM track "
+			"WHERE albumartist = $1 ORDER BY date ASC",
+			data.get('artist', ''))
+	albums = [dict(record) for record in albums]
+	ret = {'event': 'artist_albums', 'ok': True, 'data': albums}
+	await ws.send_json(ret)
+
+
+async def select_album(request, ws, data):
+	"""Select an album."""
+	artist = data.get('artist', '')
+	album = data.get('album', '')
+	async with request.app['pool'].acquire() as conn:
+		tracks = await conn.fetch(
+			"SELECT DISTINCT discnumber, tracknumber, title FROM track "
+			"WHERE albumartist = $1 AND album = $2 "
+			"ORDER BY discnumber ASC, tracknumber ASC",
+			artist, album)
+	tracks = [dict(record) for record in tracks]
+	ret = {'event': 'album_tracks', 'ok': True, 'data': tracks}
+	await ws.send_json(ret)
+
+
+async def select_track(request, ws, data):
+	"""Select a track."""
+	artist = data.get('artist', '')
+	album = data.get('album', '')
+	discnumber = data.get('discnumber', '')
+	tracknumber = data.get('tracknumber', '')
+	async with request.app['pool'].acquire() as conn:
+		track = await conn.fetchrow(
+			"SELECT * FROM track "
+			"WHERE albumartist = $1 AND album = $2 "
+			"AND discnumber = $3 AND tracknumber = $4",
+			artist, album, discnumber, tracknumber)
+	track = dict(track)
+	fpath = track.pop('filepath')
+	track.pop('last_modified')
+	fpath = config.static_prefix + os.path.relpath(fpath, config.music_dir)
+	fpath = fpath.replace('flac', 'opus')
+	fpath = parse.quote(fpath)
+	track['url'] = fpath
+	ret = {'event': 'track', 'ok': True, 'data': track}
+	await ws.send_json(ret)
 
-async def select(request, ws, data):
-	"""Retrieve information about an artist, album or track."""
-	if data.get('type') == 'artist':
-		async with request.app['pool'].acquire() as conn:
-			albums = await conn.fetch(
-				"SELECT DISTINCT album, date FROM track "
-				"WHERE albumartist = $1 ORDER BY date ASC",
-				data.get('artist', ''))
-		albums = [record['album'] for record in albums]
-		ret = {'event': 'albums', 'ok': True, 'data': albums}
-		await ws.send_json(ret)
 
 events = {}
 for obj in dir():

static/scorch.css

@@ -1,4 +1,5 @@
 body {
+	font-family: Helvetica, sans-serif;
 	height: 100vh;
 	margin: 0;
 	padding: 8px;

static/scorch.js

@@ -12,7 +12,9 @@ function init_websocket() {
 	socket.onclose = onclose;
 	socket.onerror = onerror;
 	socket.events = {};
-	socket.events['albums'] = albums_recv;
+	socket.events['artist_albums'] = artist_albums_recv;
+	socket.events['album_tracks'] = album_tracks_recv;
+	socket.events['track'] = track_recv;
 	return socket;
 }
 
@@ -78,24 +80,69 @@ function onerror(event) {
 }
 
 /* Websocket receive */
-function albums_recv(data) {
+function artist_albums_recv(data) {
 	let albums_list = document.querySelector('#albumList');
 	while (albums_list.firstChild) {
 		albums_list.removeChild(albums_list.lastChild);
 	}
 	for (let album of data) {
 		let option = document.createElement('option');
-		option.value = album;
-		option.innerText = album;
+		option.value = album['album'];
+		option.innerText = album['album'];
 		albums_list.appendChild(option);
 	}
 }
 
+function album_tracks_recv(data) {
+	let track_list = document.querySelector('#trackList');
+	while (track_list.firstChild) {
+		track_list.removeChild(track_list.lastChild);
+	}
+	for (let track of data) {
+		let option = document.createElement('option');
+		option.value = track['title'];
+		option.innerText = track['discnumber'] + '.' + track['tracknumber'] + ' - ' + track['title'];
+		option.dataset['discnumber'] = track['discnumber']
+		option.dataset['tracknumber'] = track['tracknumber']
+		track_list.appendChild(option);
+	}
+}
+
+function track_recv(data) {
+	document.querySelector('#nowPlayingArtist').innerText = data['albumartist'];
+	document.querySelector('#nowPlayingAlbum').innerText = data['album'];
+	document.querySelector('#nowPlayingTitle').innerText = data['title'];
+	document.title = 'Musik | ' + data['artist'] + ' - ' + data['title'];
+	let player = document.querySelector('#player');
+	player.firstElementChild.src = data['url'];
+	player.load();
+	player.play();
+}
+
 /* Websocket send */
-function select_artist(option) {
-	let artist = option.value;
-	let data = {'type': 'artist', 'artist': artist};
-	socket.send_event('select', data);
+function select_artist(select) {
+	let data = {
+		'artist': select.value,
+	};
+	socket.send_event('select_artist', data);
+}
+
+function select_album(select) {
+	let data = {
+		'artist': document.querySelector('#artistList').value, 
+		'album': select.value,
+	};
+	socket.send_event('select_album', data);
+}
+
+function select_track(select) {
+	let data = {
+		'artist': document.querySelector('#artistList').value,
+		'album': document.querySelector('#albumList').value,
+		'discnumber': select.selectedOptions[0].dataset['discnumber'],
+		'tracknumber': select.selectedOptions[0].dataset['tracknumber'],
+	};
+	socket.send_event('select_track', data);
 }
 
 /* DOM */