331 lines
10 KiB
JavaScript
331 lines
10 KiB
JavaScript
setInterval(getState, 4000);
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setInterval(updateProgress, 500); // Update progress every second
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// Get the <li> elements
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var liElements = document.querySelectorAll('ul li');
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var lastChange = 0;
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var lastStateUpdateTime = Date.now();
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var songStartTime = 0;
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var currentSongLength = 0;
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var isPlaying = false;
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var userIsInteracting = false; // Flag to track user interaction with the slider
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// Add click event listener to each <li> element
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liElements.forEach(function(li) {
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li.addEventListener('click', function() {
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//var liText = this.innerText;
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var id = this.dataset.id;
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playSongById(id);
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});
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});
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function simpleGetCall(endpoint) {
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var xhr = new XMLHttpRequest();
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xhr.open("GET", "/" + endpoint, true);
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xhr.onreadystatechange = function() {
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if (xhr.readyState === 4) {
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getState(); // Fetch the latest state right after the button action
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}
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};
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xhr.send();
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}
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function postValue(endpoint,value) {
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var xhr = new XMLHttpRequest();
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xhr.open("POST", "/" + endpoint, true);
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xhr.setRequestHeader("Content-Type", "application/x-www-form-urlencoded; charset=UTF-8");
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xhr.send("value="+encodeURIComponent(value));
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xhr.onreadystatechange = function() {
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if (xhr.readyState === 4) {
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getState(); // Fetch the latest state right after the button action
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}
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};
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}
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function getState() {
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var xhr = new XMLHttpRequest();
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xhr.onreadystatechange = function() {
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if (xhr.readyState === 4) {
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var state = JSON.parse(xhr.response);
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isPlaying = state['playing'];
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if (isPlaying) {
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songStartTime = Date.now() - state['time'] * 1000;
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currentSongLength = state['length'] * 1000;
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}
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lastStateUpdateTime = Date.now();
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displayState(state);
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}
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}
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xhr.open("GET","/state", true);
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xhr.send();
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}
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function updateProgress() {
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if (isPlaying && !userIsInteracting) { // Check if user is not interacting
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var elapsedTime = Date.now() - songStartTime;
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if (elapsedTime >= currentSongLength) {
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elapsedTime = currentSongLength;
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isPlaying = false; // Stop updating if the song has ended
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}
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var progressElement = document.getElementById('progressSlider');
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progressElement.value = elapsedTime / 1000; // Convert to seconds
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document.getElementById("progressLabel").innerHTML = Math.floor(elapsedTime / 1000);
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}
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}
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function displayState(state) {
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document.getElementById("state").innerHTML = state['title'];
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document.getElementById("progressLabel").innerHTML = state['time'];
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document.getElementById("voltage").innerHTML = state['voltage']+' mV';
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document.getElementById("heap").innerHTML = state['heap']+' bytes free heap';
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document.getElementById("uid").innerHTML = 'Last NFC ID: '+state['uid'];
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/* ==== Autofill convenience fields ==== */
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var fm = document.getElementById('fileManager');
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if (state['filepath'] && fm.style.display == 'none') {
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document.getElementById('moveFrom').value = state['filepath'];
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document.getElementById('deleteFileName').value = state['filepath'];
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document.getElementById('song').value = state['filepath'];
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}
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if (state['uid']) {
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document.getElementById('rfid').value = state['uid'];
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}
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var elements = document.getElementsByClassName('play-button');
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var btn = elements[0];
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if (state['playing']) {
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btn.classList.add('paused');
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} else {
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btn.classList.remove('paused');
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}
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if (Date.now()-lastChange>1200) {
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var progress = document.getElementById('progressSlider');
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progress.value = state['time'];
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progress.max = state['length'];
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var volume = document.getElementById('volumeSlider');
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volume.value = state['volume'];
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}
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updateProgress();
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}
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function playSongById(id) {
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var url = "/playbyid";
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var params = "id="+id;
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var http = new XMLHttpRequest();
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http.open("GET", url+"?"+params, true);
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http.onreadystatechange = function()
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{
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if(http.readyState == 4 && http.status == 200) {
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getState();
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}
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}
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http.send(null);
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}
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function playNamedSong(song) {
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var xhr = new XMLHttpRequest();
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xhr.open("POST", "/playnamed");
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xhr.setRequestHeader("Content-Type", "application/x-www-form-urlencoded; charset=UTF-8");
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//application/x-www-form-urlencoded
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var body = song;
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xhr.send("title="+encodeURIComponent(body));
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}
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function editMapping() {
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var rfid = document.getElementById('rfid').value;
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var song = document.getElementById('song').value;
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var xhr = new XMLHttpRequest();
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xhr.open("POST", "/edit_mapping", true);
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xhr.setRequestHeader("Content-Type", "application/x-www-form-urlencoded; charset=UTF-8");
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xhr.send("rfid=" + encodeURIComponent(rfid) + "&song=" + encodeURIComponent(song));
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xhr.onreadystatechange = function() {
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if (xhr.readyState === 4 && xhr.status === 200) {
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alert("Mapping updated successfully!");
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}
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};
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}
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// Validate file before upload
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function validateFile(file) {
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var maxSize = 50 * 1024 * 1024; // 50MB limit
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var allowedTypes = ['audio/mpeg', 'audio/wav', 'audio/flac', 'audio/mp4', 'audio/ogg'];
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var allowedExtensions = ['.mp3', '.wav', '.flac', '.m4a', '.ogg'];
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if (file.size > maxSize) {
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return 'File too large. Maximum size is 50MB.';
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}
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var fileName = file.name.toLowerCase();
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var hasValidExtension = allowedExtensions.some(ext => fileName.endsWith(ext));
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if (!hasValidExtension) {
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return 'Invalid file type. Only audio files (.mp3, .wav, .flac, .m4a, .ogg) are allowed.';
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}
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return null; // No error
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}
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// Handle form submission with AJAX to show upload status
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document.getElementById('uploadForm').addEventListener('submit', function(event) {
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event.preventDefault(); // Prevent the default form submit
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var fileInput = document.getElementById('uploadFile');
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var file = fileInput.files[0];
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if (!file) {
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alert('Please select a file to upload.');
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return;
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}
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var validationError = validateFile(file);
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if (validationError) {
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alert(validationError);
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return;
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}
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var form = event.target;
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var formData = new FormData(form);
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var uploadButton = document.getElementById('uploadButton');
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var uploadStatus = document.getElementById('uploadStatus');
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var uploadProgress = document.getElementById('uploadProgress');
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var progressFill = document.getElementById('progressFill');
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var progressText = document.getElementById('progressText');
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// Disable upload button and show progress
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uploadButton.disabled = true;
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uploadButton.value = 'Uploading...';
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uploadProgress.style.display = 'block';
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uploadStatus.innerHTML = 'Preparing upload...';
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var xhr = new XMLHttpRequest();
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xhr.open('POST', '/upload', true);
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xhr.upload.onloadstart = function() {
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uploadStatus.innerHTML = 'Upload started...';
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};
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xhr.upload.onprogress = function(event) {
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if (event.lengthComputable) {
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var percentComplete = Math.round((event.loaded / event.total) * 100);
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progressFill.style.width = percentComplete + '%';
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progressText.innerHTML = percentComplete + '%';
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uploadStatus.innerHTML = 'Uploading: ' + percentComplete + '% (' +
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Math.round(event.loaded / 1024) + 'KB / ' +
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Math.round(event.total / 1024) + 'KB)';
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}
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};
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xhr.upload.onerror = function() {
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uploadStatus.innerHTML = 'Upload failed due to network error.';
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resetUploadForm();
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};
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xhr.upload.onabort = function() {
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uploadStatus.innerHTML = 'Upload was cancelled.';
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resetUploadForm();
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};
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xhr.onreadystatechange = function() {
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if (xhr.readyState === 4) { // Request is done
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if (xhr.status >= 200 && xhr.status < 300) { // Success status code range
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uploadStatus.innerHTML = 'Upload completed successfully!';
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progressFill.style.width = '100%';
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progressText.innerHTML = '100%';
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setTimeout(function() {
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alert('File uploaded successfully!');
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location.reload(); // Reload to get updated playlist
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}, 1000);
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} else {
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var errorMsg = xhr.responseText || 'Unknown error occurred';
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uploadStatus.innerHTML = 'Upload failed: ' + errorMsg;
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alert('Upload failed: ' + errorMsg);
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resetUploadForm();
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}
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}
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};
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xhr.send(formData); // Send the form data using XMLHttpRequest
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});
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function resetUploadForm() {
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var uploadButton = document.getElementById('uploadButton');
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var uploadProgress = document.getElementById('uploadProgress');
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var progressFill = document.getElementById('progressFill');
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var progressText = document.getElementById('progressText');
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uploadButton.disabled = false;
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uploadButton.value = 'Upload';
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uploadProgress.style.display = 'none';
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progressFill.style.width = '0%';
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progressText.innerHTML = '0%';
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// Clear file input
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document.getElementById('uploadFile').value = '';
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}
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/* ================= File Manager Functions ================= */
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function toggleFileManager() {
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var fm = document.getElementById('fileManager');
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if (fm.style.display === 'none' || fm.style.display === '') {
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fm.style.display = 'block';
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} else {
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fm.style.display = 'none';
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}
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}
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function moveFile() {
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var from = document.getElementById('moveFrom').value.trim();
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var to = document.getElementById('moveTo').value.trim();
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if (!from || !to) {
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alert('Please provide both source and destination paths.');
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return;
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}
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var xhr = new XMLHttpRequest();
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xhr.open('GET', '/move_file?from=' + encodeURIComponent(from) + '&to=' + encodeURIComponent(to), true);
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xhr.onreadystatechange = function() {
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if (xhr.readyState === 4) {
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if (xhr.status >= 200 && xhr.status < 300) {
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alert('File moved successfully.');
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location.reload();
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} else {
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alert('Move failed: ' + (xhr.responseText || 'Unknown error'));
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}
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}
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};
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xhr.send();
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}
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function deleteFileOnServer() {
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var filename = document.getElementById('deleteFileName').value.trim();
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if (!filename) {
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alert('Please provide filename to delete.');
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return;
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}
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if (!confirm('Are you sure you want to delete ' + filename + '?')) {
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return;
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}
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var xhr = new XMLHttpRequest();
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xhr.open('GET', '/delete_file?filename=' + encodeURIComponent(filename), true);
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xhr.onreadystatechange = function() {
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if (xhr.readyState === 4) {
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if (xhr.status >= 200 && xhr.status < 300) {
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alert('File deleted successfully.');
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location.reload();
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} else {
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alert('Delete failed: ' + (xhr.responseText || 'Unknown error'));
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}
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}
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};
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xhr.send();
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}
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