sanic/static/controls.js
2024-01-20 13:48:03 +01:00

294 lines
11 KiB
JavaScript

const API_URL = `${document.location.protocol}//${document.location.host}/api`;
const VOLUME_STEP = 5;
// Get control elements
const connection_state = document.getElementById("connection-state");
const control_update_db = document.getElementById("control-update-db");
const control_previous = document.getElementById("control-previous");
const control_play_pause = document.getElementById("control-play-pause");
const control_stop = document.getElementById("control-stop");
const control_next = document.getElementById("control-next");
const control_progress = document.getElementById("control-progress");
const control_repeat = document.getElementById("control-repeat");
const control_shuffle = document.getElementById("control-shuffle");
const control_xfade = document.getElementById("control-xfade");
const control_xfade_minus = document.getElementById("control-xfade-minus");
const control_xfade_plus = document.getElementById("control-xfade-plus");
const control_volume = document.getElementById("control-volume");
const control_volume_up = document.getElementById("control-volume-up");
const control_volume_down = document.getElementById("control-volume-down");
const queue_table = document.querySelector("#queue tbody");
const control_track = document.getElementById("control-track");
const control_time = document.getElementById("control-time");
const tabs = document.getElementById("tabs");
const tab_browser = document.getElementById("tab-browser");
const tab_search = document.getElementById("tab-search");
const tab_playlists = document.getElementById("tab-playlists");
// UI controls
tab_browser.addEventListener("click", e => {
if (!tab_browser.classList.contains("active")) {
tab_browser.classList.add("active");
tab_search.classList.remove("active")
tab_playlists.classList.remove("active")
document.getElementById("file-browser").style.display = "block";
document.getElementById("search").style.display = "none";
document.getElementById("playlist-browser").style.display = "none";
}
});
tab_search.addEventListener("click", e => {
if (!tab_search.classList.contains("active")) {
tab_browser.classList.remove("active");
tab_search.classList.add("active")
tab_playlists.classList.remove("active")
document.getElementById("file-browser").style.display = "none";
document.getElementById("search").style.display = "block";
document.getElementById("playlist-browser").style.display = "none";
}
});
tab_playlists.addEventListener("click", e => {
if (!tab_playlists.classList.contains("active")) {
tab_browser.classList.remove("active");
tab_search.classList.remove("active")
tab_playlists.classList.add("active")
document.getElementById("file-browser").style.display = "none";
document.getElementById("search").style.display = "none";
document.getElementById("playlist-browser").style.display = "block";
}
});
// Add API calls to controls
control_update_db.addEventListener("click", e => {
console.log("Issuing database update")
fetch(`${API_URL}/update_db`).then(async r => {
if (r.status === 200) {
const job_id = await r.text();
console.log(`Update started (Job ID: ${job_id})`)
} else {
console.error(`API returned ${r.status}: ${r.statusText}`)
}
});
});
control_previous.addEventListener("click", e => {
fetch(`${API_URL}/previous_track`);
});
control_play_pause.addEventListener("click", e => {
if (e.target.innerHTML === "⏵︎") { // TODO: check is never true
fetch(`${API_URL}/pause`);
} else { // Pause
fetch(`${API_URL}/play`);
}
});
control_stop.addEventListener("click", e => {
fetch(`${API_URL}/stop`);
});
control_next.addEventListener("click", e => {
fetch(`${API_URL}/next_track`);
});
control_progress.addEventListener("change", e => {
fetch(`${API_URL}/seek/${e.target.value}`)
});
control_repeat.addEventListener("click", e => {
if (e.target.innerHTML === "🔴 repeat") { // TODO: check is never true
e.target.innerHTML = "🔘 repeat";
} else {
e.target.innerHTML = "🔴 repeat";
}
fetch(`${API_URL}/repeat`);
});
control_shuffle.addEventListener("click", e => {
if (e.target.innerHTML === "🔴 shuffle") { // TODO: check is never true
e.target.innerHTML = "🔘 shuffle";
} else {
e.target.innerHTML = "🔴 shuffle";
}
fetch(`${API_URL}/random`);
});
control_xfade_minus.addEventListener("click", e => {
// TODO: not yet implemented
fetch(`${API_URL}/xfade`);
});
control_xfade_plus.addEventListener("click", e => {
// TODO: not yet implemented
fetch(`${API_URL}/xfade`);
});
control_volume_up.addEventListener("click", e => {
const v = Math.min(parseInt(control_volume.value) + VOLUME_STEP, 100);
fetch(`${API_URL}/volume/${v}`);
control_volume.value = v;
});
control_volume_down.addEventListener("click", e => {
const v = Math.max(parseInt(control_volume.value) - VOLUME_STEP, 0);
fetch(`${API_URL}/volume/${v}`);
control_volume.value = v;
});
control_volume.addEventListener("change", e => {
fetch(`${API_URL}/volume/${e.target.value}`);
});
// Create WebSocket connection.
const socket = new WebSocket(`${document.location.protocol === "https:" ? "wss" : "ws"}://${document.location.host}/ws`);
// Connection opened
socket.addEventListener("open", (e) => {
socket.send("Hello Server!");
});
// Listen for messages and update UI state
socket.addEventListener("message", (e) => {
// Print out mpd response
console.log(`DEBUG: ${e.data}`); // DEBUG
const msg = JSON.parse(e.data);
if ("mpd_status" in msg) {
if (msg.mpd_status == null) {
connection_state.innerHTML = "❌ Disconnected"; // ✅ Check Mark Button
} else {
// print error if present
if ("error" in msg.mpd_status) {
console.error(msg.mpd_status.error);
}
// update "Update DB" button
if ("updating_db" in msg.mpd_status) {
control_update_db.disabled = true;
} else {
if (control_update_db.disabled) {
console.log("Database update done.")
}
control_update_db.disabled = false;
}
// update play/pause button
if ("state" in msg.mpd_status && msg.mpd_status.state === "play") {
control_play_pause.innerHTML = "⏸︎"; // Pause
} else {
control_play_pause.innerHTML = "⏵︎"; // Play
}
// update playback time
if ("elapsed" in msg.mpd_status && "duration" in msg.mpd_status) {
const elapsed_hours = Math.floor(msg.mpd_status.elapsed / 3600);
const elapsed_minutes = Math.floor((msg.mpd_status.elapsed - elapsed_hours * 3600) / 60);
const elapsed_seconds = Math.floor(msg.mpd_status.elapsed - elapsed_hours * 3600 - elapsed_minutes * 60);
const duration_hours = Math.floor(msg.mpd_status.duration / 3600);
const duration_minutes = Math.floor((msg.mpd_status.duration - duration_hours * 3600) / 60);
const duration_seconds = Math.floor(msg.mpd_status.duration - duration_hours * 3600 - duration_minutes * 60);
control_time.value = `${elapsed_hours}:${elapsed_minutes.toString().padStart(2, '0')}:${elapsed_seconds.toString().padStart(2, '0')}/${duration_hours}:${duration_minutes.toString().padStart(2, '0')}:${duration_seconds.toString().padStart(2, '0')}`;
}
if ("elapsed" in msg.mpd_status) {
control_progress.value = msg.mpd_status.elapsed;
}
if ("duration" in msg.mpd_status) {
control_progress.max = msg.mpd_status.duration;
}
// update repeat state
if ("repeat" in msg.mpd_status) {
if (msg.mpd_status.repeat === "1") {
control_repeat.innerHTML = "🔴 repeat"; // 🔴 Red Circle
} else {
control_repeat.innerHTML = "🔘 repeat"; // 🔘 Radio Button
}
}
// update shuffle state
if ("random" in msg.mpd_status) {
if (msg.mpd_status.random === "1") {
control_shuffle.innerHTML = "🔴 shuffle"; // 🔴 Red Circle
} else {
control_shuffle.innerHTML = "🔘 shuffle"; // 🔘 Radio Button
}
}
// update crossfade state
if ("xfade" in msg.mpd_status) {
control_xfade.value = msg.mpd_status.xfade;
}
// update volume
if ("volume" in msg.mpd_status) {
control_volume.value = msg.mpd_status.volume;
}
}
}
// update song info
if ("mpd_current_song" in msg && msg.mpd_current_song != null) {
if ("Artist" in msg.mpd_current_song && "Title" in msg.mpd_current_song) {
control_track.value = `${msg.mpd_current_song.Artist} - ${msg.mpd_current_song.Title}`
} else {
control_track.value = msg.mpd_current_song.file;
}
}
// update queue
if ("mpd_queue" in msg && msg.mpd_queue != null) {
const tbody = document.createElement("tbody");
msg.mpd_queue.forEach(elem => {
const tr = document.createElement("tr");
const pos = document.createElement("td");
pos.innerText = elem.Pos;
const artist = document.createElement("td");
if ("Artist" in elem) {
artist.innerText = elem.Artist;
}
const track = document.createElement("td");
if ("Title" in elem) {
track.innerText = elem.Title;
} else {
track.innerText = elem.file;
}
const album = document.createElement("td");
// album.innerText = "";
const length = document.createElement("td");
const duration_hours = Math.floor(elem.duration / 3600);
const duration_minutes = Math.floor((elem.duration - duration_hours * 3600) / 60);
const duration_seconds = Math.floor(elem.duration - duration_hours * 3600 - duration_minutes * 60);
length.innerText = `${duration_hours}:${duration_minutes.toString().padStart(2, '0')}:${duration_seconds.toString().padStart(2, '0')}`;
const actions = document.createElement("td");
const del = document.createElement("button");
del.innerHTML = "🗑️";
del.addEventListener("click", e => {
fetch(`${API_URL}/queue_del/${elem.Pos}`).then(r => {
console.log(r.text());
})
});
actions.appendChild(del);
tr.appendChild(pos);
tr.appendChild(artist);
tr.appendChild(track);
tr.appendChild(album);
tr.appendChild(length);
tr.appendChild(actions);
tbody.appendChild(tr);
});
const currentQueue = document.querySelector("#queue tbody")
if (currentQueue.innerHTML !== tbody.innerHTML) {
console.log("Updating queue")
currentQueue.outerHTML = tbody.outerHTML;
}
}
if ("mpd_error" in msg) {
console.error(`MPD Error: ${msg.mpd_error}`)
}
});
// Request MPD status every second
window.setInterval(() => {
if (socket.readyState === socket.OPEN) {
socket.send("#status");
connection_state.innerHTML = "✅ Connected"; // ❌ Cross Mark
} else {
connection_state.innerHTML = "❌ Disconnected"; // ✅ Check Mark Button
}
}, 1000);