Maxim Dolgolyov
be4d43105e
Node.js/Express backend + vanilla JS frontend. Features: real-time collaborative whiteboard (SSE), multi-page support, LaTeX formulas, shapes/connectors, coordinate systems, number lines, compass, zoom/pan, Catmull-Rom pencil smoothing, ruler/protractor with rotation & resize controls, minimap navigation overlay, auto-measurements, multi-page thumbnails sidebar, PNG export, page templates. Student/teacher workflows: classes, assignments, library, dashboard. Mobile responsive. SQLite (better-sqlite3). Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
27 lines
1.0 KiB
JavaScript
27 lines
1.0 KiB
JavaScript
const db = require('../db/db');
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const sse = require('../sse');
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function pushNotif(user_id, type, message, link) {
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try {
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const { lastInsertRowid } = db.prepare(
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"INSERT INTO notifications (user_id, type, message, link) VALUES (?, ?, ?, ?)"
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).run(user_id, type, message, link || null);
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sse.emit(user_id, { id: lastInsertRowid, type, message, link: link || null });
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} catch (e) { console.error('[pushNotif]', e.message); }
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}
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/* ── Notify all active parent links for a student ────────────────────── */
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function pushParentNotif(studentId, type, message) {
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try {
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const links = db.prepare(
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'SELECT id FROM parent_links WHERE student_id = ? AND is_active = 1'
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).all(studentId);
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const ins = db.prepare(
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'INSERT INTO parent_notifications (parent_link_id, type, message) VALUES (?, ?, ?)'
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);
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for (const link of links) ins.run(link.id, type, message);
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} catch (e) { console.error('[pushParentNotif]', e.message); }
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}
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module.exports = { pushNotif, pushParentNotif };
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