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const API_BASE = window.location.origin;
// ── Fetch ─────────────────────────────────────────────────────────────────────
async function fetchTasks() {
const res = await fetch(`${API_BASE}/api/tasks`);
if (!res.ok) throw new Error(`HTTP ${res.status}`);
return res.json();
}
// ── Render ────────────────────────────────────────────────────────────────────
function formatDate(iso) {
if (!iso) return '';
return new Date(iso).toLocaleString(undefined, {
month: 'short', day: 'numeric',
hour: '2-digit', minute: '2-digit',
});
}
function createTaskCard(task) {
const card = document.createElement('div');
card.className = 'task-card';
card.dataset.taskId = task.id;
// Header: name + state badge
const header = document.createElement('div');
header.className = 'task-card-header';
const name = document.createElement('span');
name.className = 'task-name';
name.textContent = task.name;
const badge = document.createElement('span');
badge.className = 'state-badge';
badge.dataset.state = task.state;
badge.textContent = task.state.replace(/_/g, ' ');
header.append(name, badge);
card.appendChild(header);
// Meta: priority + created_at
const meta = document.createElement('div');
meta.className = 'task-meta';
if (task.priority) {
const prio = document.createElement('span');
prio.textContent = task.priority;
meta.appendChild(prio);
}
if (task.created_at) {
const when = document.createElement('span');
when.textContent = formatDate(task.created_at);
meta.appendChild(when);
}
if (meta.children.length) card.appendChild(meta);
// Description (truncated via CSS)
if (task.description) {
const desc = document.createElement('div');
desc.className = 'task-description';
desc.textContent = task.description;
card.appendChild(desc);
}
// Footer: Run button (only for PENDING / FAILED)
if (task.state === 'PENDING' || task.state === 'FAILED') {
const footer = document.createElement('div');
footer.className = 'task-card-footer';
const btn = document.createElement('button');
btn.className = 'btn-run';
btn.textContent = 'Run';
btn.addEventListener('click', () => handleRun(task.id, btn, footer));
footer.appendChild(btn);
card.appendChild(footer);
}
return card;
}
function renderTaskList(tasks) {
const container = document.querySelector('.task-list');
if (!tasks || tasks.length === 0) {
container.innerHTML = '<div id="loading">No tasks found.</div>';
return;
}
// Replace contents with task cards
container.innerHTML = '';
for (const task of tasks) {
container.appendChild(createTaskCard(task));
}
}
// ── Run action ────────────────────────────────────────────────────────────────
async function runTask(taskId) {
const res = await fetch(`${API_BASE}/api/tasks/${taskId}/run`, { method: 'POST' });
if (!res.ok) {
let msg = `HTTP ${res.status}`;
try { const body = await res.json(); msg = body.error || body.message || msg; } catch {}
throw new Error(msg);
}
return res.json();
}
async function handleRun(taskId, btn, footer) {
btn.disabled = true;
btn.textContent = 'Queuing…';
// Remove any previous error
const prev = footer.querySelector('.task-error');
if (prev) prev.remove();
try {
await runTask(taskId);
// Refresh list immediately so state flips to QUEUED
const tasks = await fetchTasks();
renderTaskList(tasks);
} catch (err) {
btn.disabled = false;
btn.textContent = 'Run';
const errEl = document.createElement('span');
errEl.className = 'task-error';
errEl.textContent = `Failed to queue: ${err.message}`;
footer.appendChild(errEl);
}
}
// ── Polling ───────────────────────────────────────────────────────────────────
async function poll() {
try {
const tasks = await fetchTasks();
renderTaskList(tasks);
} catch {
document.querySelector('.task-list').innerHTML =
'<div id="loading">Could not reach server.</div>';
}
}
function startPolling(intervalMs = 10_000) {
poll();
setInterval(poll, intervalMs);
}
// ── Boot ──────────────────────────────────────────────────────────────────────
startPolling();
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