Feb 02 2026: implement notification system

This commit is contained in:
2026-03-01 18:47:21 -05:00
parent 4a6a3ba4fb
commit 41e2e0465d
6 changed files with 475 additions and 10 deletions
+218 -2
View File
@@ -12,6 +12,61 @@
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap-icons@1.11.0/font/bootstrap-icons.css">
<link rel="stylesheet" href="{{ url_for('static', filename='css/ipad_responsive.css') }}">
{% block extra_css %}{% endblock %}
<style>
/* ── Notification bell styles ── */
.notif-bell-wrapper {
position: relative;
}
.notif-badge {
position: absolute;
top: 2px;
right: 2px;
font-size: 0.6rem;
min-width: 16px;
height: 16px;
line-height: 16px;
padding: 0 4px;
border-radius: 8px;
pointer-events: none;
}
.notif-dropdown {
width: 360px;
max-height: 480px;
overflow-y: auto;
padding: 0;
}
.notif-item {
border-left: 3px solid transparent;
transition: background 0.15s;
}
.notif-item.unread {
border-left-color: #0d6efd;
background-color: #f0f6ff;
}
.notif-item:hover {
background-color: #e8f0fe;
}
.notif-title {
font-size: 0.85rem;
font-weight: 600;
margin-bottom: 2px;
}
.notif-body {
font-size: 0.78rem;
color: #555;
white-space: normal;
}
.notif-time {
font-size: 0.7rem;
color: #999;
}
.notif-empty {
padding: 24px;
text-align: center;
color: #aaa;
font-size: 0.85rem;
}
</style>
</head>
<body>
{% if current_user.is_authenticated %}
@@ -49,7 +104,42 @@
</li>
{% endif %}
</ul>
<ul class="navbar-nav">
<ul class="navbar-nav align-items-center">
<!-- ── Notification Bell ── -->
<li class="nav-item dropdown me-2">
<a class="nav-link position-relative notif-bell-wrapper"
href="#"
id="notifDropdown"
role="button"
data-bs-toggle="dropdown"
aria-expanded="false"
title="Notifications">
<i class="bi bi-bell fs-5"></i>
{% if unread_notification_count > 0 %}
<span class="badge bg-danger notif-badge" id="notif-count-badge">
{{ unread_notification_count if unread_notification_count <= 99 else '99+' }}
</span>
{% else %}
<span class="badge bg-danger notif-badge d-none" id="notif-count-badge"></span>
{% endif %}
</a>
<div class="dropdown-menu dropdown-menu-end notif-dropdown shadow" id="notif-dropdown-menu">
<div class="d-flex justify-content-between align-items-center px-3 py-2 border-bottom">
<span class="fw-semibold" style="font-size:0.9rem;">Notifications</span>
<button class="btn btn-link btn-sm p-0 text-muted text-decoration-none"
id="mark-all-read-btn"
style="font-size:0.75rem;">
Mark all as read
</button>
</div>
<div id="notif-list">
<div class="notif-empty">Loading…</div>
</div>
</div>
</li>
<!-- ── End Notification Bell ── -->
<li class="nav-item dropdown">
<a class="nav-link dropdown-toggle" href="#" id="navbarDropdown" role="button" data-bs-toggle="dropdown">
<i class="bi bi-person-circle"></i> {{ current_user.username }}
@@ -83,5 +173,131 @@
<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/js/bootstrap.bundle.min.js"></script>
{% block extra_js %}{% endblock %}
{% if current_user.is_authenticated %}
<script>
(function () {
'use strict';
const FEED_URL = '{{ url_for("notifications.feed") }}';
const MARK_READ_BASE = '/notifications/';
const MARK_ALL_URL = '{{ url_for("notifications.mark_all_read") }}';
const CSRF_TOKEN = '{{ csrf_token() }}';
const POLL_INTERVAL = 60000; // 60 seconds
const badge = document.getElementById('notif-count-badge');
const listEl = document.getElementById('notif-list');
const markAllBtn = document.getElementById('mark-all-read-btn');
function updateBadge(count) {
if (count > 0) {
badge.textContent = count > 99 ? '99+' : count;
badge.classList.remove('d-none');
} else {
badge.textContent = '';
badge.classList.add('d-none');
}
}
function renderNotifications(notifications) {
if (!notifications.length) {
listEl.innerHTML = '<div class="notif-empty"><i class="bi bi-check2-circle me-1"></i>You\'re all caught up!</div>';
return;
}
listEl.innerHTML = notifications.map(n => `
<a href="${n.link || '#'}"
class="d-block text-decoration-none text-dark notif-item px-3 py-2 border-bottom ${n.is_read ? '' : 'unread'}"
data-notif-id="${n.id}"
data-link="${n.link || ''}">
<div class="notif-title">${escapeHtml(n.title)}</div>
<div class="notif-body">${escapeHtml(n.body)}</div>
<div class="notif-time">${escapeHtml(n.created_at)}</div>
</a>
`).join('');
// Mark as read on click
listEl.querySelectorAll('.notif-item').forEach(el => {
el.addEventListener('click', function (e) {
const id = this.dataset.notifId;
const link = this.dataset.link;
e.preventDefault();
markRead(id, () => {
this.classList.remove('unread');
if (link) window.location.href = link;
});
});
});
}
function escapeHtml(str) {
if (!str) return '';
return str.replace(/&/g, '&amp;')
.replace(/</g, '&lt;')
.replace(/>/g, '&gt;')
.replace(/"/g, '&quot;');
}
function fetchNotifications() {
fetch(FEED_URL, { credentials: 'same-origin' })
.then(r => r.json())
.then(data => {
updateBadge(data.unread_count);
// Only re-render if dropdown is open to avoid disrupting user
const dropdownEl = document.getElementById('notifDropdown');
const isOpen = dropdownEl.getAttribute('aria-expanded') === 'true';
if (isOpen) renderNotifications(data.notifications);
// Store for rendering when opened
window._jqcNotifications = data.notifications;
})
.catch(() => {}); // Silently fail — non-critical
}
function markRead(id, callback) {
fetch(`${MARK_READ_BASE}${id}/mark-read`, {
method: 'POST',
headers: { 'X-CSRFToken': CSRF_TOKEN, 'Content-Type': 'application/json' },
credentials: 'same-origin',
})
.then(r => r.json())
.then(() => { if (callback) callback(); fetchNotifications(); })
.catch(() => { if (callback) callback(); });
}
// Render stored notifications when dropdown opens
document.getElementById('notifDropdown').addEventListener('show.bs.dropdown', function () {
if (window._jqcNotifications) {
renderNotifications(window._jqcNotifications);
} else {
fetchNotifications();
}
});
// Mark all read button
markAllBtn.addEventListener('click', function (e) {
e.stopPropagation();
fetch(MARK_ALL_URL, {
method: 'POST',
headers: { 'X-CSRFToken': CSRF_TOKEN },
credentials: 'same-origin',
})
.then(r => r.json())
.then(() => {
updateBadge(0);
// Mark all items visually as read
listEl.querySelectorAll('.notif-item.unread').forEach(el => el.classList.remove('unread'));
if (window._jqcNotifications) {
window._jqcNotifications.forEach(n => n.is_read = true);
}
})
.catch(() => {});
});
// Initial fetch + periodic polling
fetchNotifications();
setInterval(fetchNotifications, POLL_INTERVAL);
})();
</script>
{% endif %}
</body>
</html>
</html>