fixed implementation of UGC content uploader
This commit is contained in:
JakeBreath
@@ -0,0 +1,266 @@
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// J621-style upload + real-time autosave for the "create project" form.
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// Each selected file is uploaded individually (XHR + FormData) to /api/uploads/
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// and stored under media/uploads/user_<id>/. Typed fields autosave to the
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// ProjectDraft via /api/draft/ (debounced, no explicit Save Draft button).
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(function () {
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const form = document.getElementById('project-form');
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if (!form) return;
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const csrf = getCookie('csrftoken');
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const csrfHeader = csrf ? { 'X-CSRFToken': csrf } : {};
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const savedUploads = JSON.parse(
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(document.getElementById('packs-draft-uploads') || { textContent: '[]' }).textContent
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);
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// ----- Multi-upload (per-file XHR, thumbnails) -----
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const zones = {};
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document.querySelectorAll('.upload-zone').forEach((zone) => {
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const kind = zone.dataset.upload;
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zones[kind] = {
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zone,
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drop: zone.querySelector('.drop-zone'),
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input: zone.querySelector('input[type=file]'),
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preview: zone.querySelector('.upload-preview, #media-preview'),
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};
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if (kind === 'media') zones[kind].batch = document.getElementById('media-batch');
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});
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// Re-render the pending uploads that survived from a previous session.
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savedUploads.forEach((u) => {
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const z = zones[u.kind];
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if (z && !z.current) renderUpload(u, z);
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});
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function renderUpload(upload, z) {
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if (z.kind === 'thumbnail' || z.kind === 'version') {
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z.preview.innerHTML = '';
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z.preview.appendChild(previewCard(upload));
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z.current = upload;
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} else {
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z.preview.appendChild(previewCard(upload));
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}
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}
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function previewCard(upload) {
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const card = document.createElement('div');
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card.className = 'file-preview-card';
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card.dataset.uuid = upload.uuid;
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if ((upload.content_type || '').startsWith('image/')) {
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const img = document.createElement('img');
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img.src = upload.url;
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img.alt = upload.filename;
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card.appendChild(img);
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} else if ((upload.content_type || '').startsWith('video/')) {
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const video = document.createElement('video');
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video.src = upload.url;
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video.muted = true;
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video.autoplay = true;
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video.loop = true;
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card.appendChild(video);
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} else {
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const icon = document.createElement('div');
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icon.className = 'file-preview-icon';
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icon.innerHTML = '<i class="fas fa-file-archive"></i>';
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card.appendChild(icon);
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}
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const name = document.createElement('span');
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name.className = 'file-preview-name';
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name.textContent = upload.filename;
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card.appendChild(name);
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const remove = document.createElement('button');
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remove.type = 'button';
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remove.className = 'file-preview-remove';
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remove.innerHTML = '<i class="fas fa-times"></i>';
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remove.addEventListener('click', () => deleteUpload(upload.uuid, card));
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card.appendChild(remove);
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return card;
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}
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function uploadFile(file, kind, z) {
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const fd = new FormData();
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fd.append('file', file);
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fd.append('kind', kind);
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const xhr = new XMLHttpRequest();
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xhr.open('POST', '/api/uploads/');
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for (const k in csrfHeader) xhr.setRequestHeader(k, csrfHeader[k]);
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xhr.onload = function () {
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z.busy = false;
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if (xhr.status !== 200) {
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try {
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alert(JSON.parse(xhr.responseText).error || 'Upload failed.');
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} catch (e) {
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alert('Upload failed.');
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}
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return;
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}
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const data = JSON.parse(xhr.responseText);
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renderUpload(data, z);
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};
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xhr.onerror = function () {
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z.busy = false;
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alert('Network error during upload.');
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};
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xhr.send(fd);
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}
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function deleteUpload(uuid, card) {
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const xhr = new XMLHttpRequest();
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xhr.open('POST', '/api/uploads/' + uuid + '/delete/');
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for (const k in csrfHeader) xhr.setRequestHeader(k, csrfHeader[k]);
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xhr.onload = function () {
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if (card && card.parentNode) card.parentNode.removeChild(card);
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};
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xhr.onerror = function () {
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alert('Network error.');
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};
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xhr.send();
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}
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Object.keys(zones).forEach((kind) => {
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const z = zones[kind];
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z.drop.addEventListener('click', () => z.input.click());
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z.drop.addEventListener('keydown', (e) => {
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if (e.key === 'Enter' || e.key === ' ') { e.preventDefault(); z.input.click(); }
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});
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['dragenter', 'dragover'].forEach((evt) => z.drop.addEventListener(evt, (e) => {
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e.preventDefault();
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e.stopPropagation();
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z.drop.classList.add('dragover');
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}));
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['dragleave', 'drop'].forEach((evt) => z.drop.addEventListener(evt, (e) => {
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e.preventDefault();
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e.stopPropagation();
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z.drop.classList.remove('dragover');
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}));
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z.drop.addEventListener('drop', (e) => {
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if (e.dataTransfer && e.dataTransfer.files.length) {
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handleFiles(Array.from(e.dataTransfer.files), kind, z);
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}
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});
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z.input.addEventListener('change', () => {
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handleFiles(Array.from(z.input.files), kind, z);
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z.input.value = '';
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});
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});
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// Prevent the browser opening files dropped outside a zone.
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['dragover', 'drop'].forEach((evt) => window.addEventListener(evt, (e) => e.preventDefault()));
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let batchTotal = 0;
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let batchDone = 0;
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function handleFiles(files, kind, z) {
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// Thumbnail/version are single slots: take one file, replace any
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// current upload, and ignore further drops while one is in flight.
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if (kind === 'thumbnail' || kind === 'version') {
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if (z.busy) return;
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const file = files[0];
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if (z.current) deleteUpload(z.current.uuid, null);
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z.busy = true;
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uploadFile(file, kind, z);
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return;
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}
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batchTotal += files.length;
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updateBatch();
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files.forEach((file) => uploadFile(file, kind, z));
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}
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function updateBatch() {
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const z = zones.media;
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if (!z || !z.batch) return;
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if (batchTotal === 0) { z.batch.hidden = true; return; }
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z.batch.hidden = false;
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document.getElementById('media-batch-status').textContent =
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'Uploading ' + batchDone + ' of ' + batchTotal + ' files';
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if (batchDone >= batchTotal && batchTotal > 0) {
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setTimeout(() => {
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z.batch.hidden = true;
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batchTotal = 0;
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batchDone = 0;
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}, 2500);
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}
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}
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// ----- Real-time draft autosave -----
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const autosaveStatus = document.getElementById('autosave-status');
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const FIELDS = ['title', 'summary', 'category', 'description', 'caption', 'version_name', 'changelog'];
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function setStatus(text, state) {
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autosaveStatus.innerHTML = text;
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autosaveStatus.className = 'autosave-status ' + (state || '');
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}
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let saveTimer = null;
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let lastSavedAt = null;
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function scheduleSave() {
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setStatus('<i class="fas fa-circle-notch fa-spin"></i> Saving…', 'saving');
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clearTimeout(saveTimer);
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saveTimer = setTimeout(saveDraft, 600);
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}
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function saveDraft() {
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const data = {};
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FIELDS.forEach((name) => {
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const el = document.getElementById('id_' + name);
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if (el) data[name] = el.value;
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});
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const tags = document.getElementById('id_tags');
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if (tags) data.tags = tags.value;
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const xhr = new XMLHttpRequest();
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xhr.open('POST', '/api/draft/');
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xhr.setRequestHeader('Content-Type', 'application/json');
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for (const k in csrfHeader) xhr.setRequestHeader(k, csrfHeader[k]);
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xhr.onload = function () {
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if (xhr.status === 200) {
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const r = JSON.parse(xhr.responseText);
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lastSavedAt = r.updated_at;
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setStatus('<i class="fas fa-check"></i> Saved just now', 'saved');
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} else {
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setStatus('<i class="fas fa-exclamation-triangle"></i> Save failed', 'error');
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}
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};
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xhr.onerror = function () {
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setStatus('<i class="fas fa-exclamation-triangle"></i> Save failed', 'error');
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};
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xhr.send(JSON.stringify({ data }));
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}
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FIELDS.forEach((name) => {
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const el = document.getElementById('id_' + name);
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if (el) {
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el.addEventListener('input', scheduleSave);
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if (el.tagName === 'SELECT') el.addEventListener('change', scheduleSave);
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}
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});
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document.addEventListener('tags-changed', scheduleSave);
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// Autosave is always live; indicate it once the page settles.
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setStatus('<i class="fas fa-cloud-upload-alt"></i> Autosave on', 'idle');
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setTimeout(() => setStatus('<i class="fas fa-check"></i> Saved just now', 'saved'), 2000);
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function getCookie(name) {
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let cookieValue = null;
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if (document.cookie && document.cookie !== '') {
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const cookies = document.cookie.split(';');
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for (let i = 0; i < cookies.length; i++) {
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const cookie = cookies[i].trim();
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if (cookie.substring(0, name.length + 1) === (name + '=')) {
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cookieValue = decodeURIComponent(cookie.substring(name.length + 1));
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break;
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}
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}
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}
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return cookieValue;
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}
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})();
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