e61179ab27
Adds the notifications system end-to-end (4 types, payload-versioned JSONB, SSE-based live unread badge, /notifications page, mark-read API, fan-out job for activity_published, daily 90-day retention purge). Bell icon in the navbar with unread badge. Side-findings from exercising the change: - Add 6-digit magic code to registration (mirrors login UX, mobile paste-friendly), with `[Register Magic Link]` console line in dev so the code is reachable without a real email transport. - Manual passkey/magic-link toggle on the register form (login already had it). - Restrict ALPN to http/1.1 in HTTPS dev so React Router's singleFetchAction CSRF check (Origin vs. Host) passes — Node doesn't synthesize Host from h2's :authority. Plain HTTP dev unaffected. - Followers/Following routes now use the locked-account rule from the profile route (owner + accepted followers see the list; others 404). Profile page renders the count chips as plain spans for viewers who can't see the lists, so private profiles don't surface dead links. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
48 lines
1.5 KiB
TypeScript
48 lines
1.5 KiB
TypeScript
// In-process Server-Sent Events broker. Generation hooks call
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// `emitTo(userId, event, data)` after they commit; any open SSE
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// connection for that user gets the event written to its stream.
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//
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// Single-process today. When the Journal goes multi-process, swap the
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// in-memory `Map` for a Redis pub/sub adapter behind the same
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// emitTo/register interface — no caller changes needed.
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interface Connection {
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send: (event: string, data: unknown) => void;
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close: () => void;
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}
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const connections = new Map<string /* userId */, Set<Connection>>();
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export function register(userId: string, conn: Connection): () => void {
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let set = connections.get(userId);
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if (!set) {
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set = new Set();
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connections.set(userId, set);
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}
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set.add(conn);
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return () => {
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const s = connections.get(userId);
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if (!s) return;
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s.delete(conn);
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if (s.size === 0) connections.delete(userId);
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};
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}
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export function emitTo(userId: string, event: string, data: unknown): void {
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const set = connections.get(userId);
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if (!set) return;
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for (const conn of set) {
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try {
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conn.send(event, data);
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} catch {
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// Broken pipe — connection will get cleaned up on its own
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// teardown path; defensively close here too.
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try { conn.close(); } catch { /* ignore */ }
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}
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}
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}
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/** Test/diagnostic helper: how many connections does `userId` have? */
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export function connectionCount(userId: string): number {
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return connections.get(userId)?.size ?? 0;
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}
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