UI enhancemnts

server/domains/watchlist/watchlist.controller.ts

@@ -0,0 +1,53 @@
+import type { FastifyInstance, FastifyReply, FastifyRequest, preHandlerHookHandler } from 'fastify';
+import type { TokenPayload } from '../auth/index.js';
+import { WatchlistRepository } from './WatchlistRepository.js';
+
+type AuthedRequest = FastifyRequest & { user: TokenPayload };
+
+interface WatchlistControllerOptions {
+  authGuard: preHandlerHookHandler;
+}
+
+export class WatchlistController {
+  readonly #guards: preHandlerHookHandler[];
+
+  constructor(
+    private readonly repo: WatchlistRepository,
+    options: WatchlistControllerOptions,
+  ) {
+    this.#guards = [options.authGuard];
+  }
+
+  register(app: FastifyInstance): void {
+    const g = { preHandler: this.#guards };
+    app.get('/api/watchlist', g, this.list.bind(this));
+    app.post('/api/watchlist/:ticker', g, this.add.bind(this));
+    app.delete('/api/watchlist/:ticker', g, this.remove.bind(this));
+  }
+
+  private list(req: FastifyRequest): {
+    tickers: string[];
+    entries: { ticker: string; pinnedAt: string }[];
+  } {
+    const userId = (req as AuthedRequest).user.sub;
+    const entries = this.repo.list(userId);
+    return { tickers: entries.map((e) => e.ticker), entries };
+  }
+
+  private add(req: FastifyRequest, reply: FastifyReply): { ok: boolean } | FastifyReply {
+    const userId = (req as AuthedRequest).user.sub;
+    const ticker = (req.params as { ticker: string }).ticker?.toUpperCase();
+    if (!ticker || !/^[A-Z0-9.-]{1,12}$/.test(ticker)) {
+      return reply.code(400).send({ error: 'Invalid ticker' });
+    }
+    this.repo.add(ticker, userId);
+    return { ok: true };
+  }
+
+  private remove(req: FastifyRequest): { ok: boolean } {
+    const userId = (req as AuthedRequest).user.sub;
+    const ticker = (req.params as { ticker: string }).ticker?.toUpperCase();
+    this.repo.remove(ticker, userId);
+    return { ok: true };
+  }
+}