Files
market_screener/server/app.ts
T
2026-06-05 23:02:21 -04:00

71 lines
3.4 KiB
TypeScript

import Fastify, { type FastifyRequest, type FastifyReply } from 'fastify';
import cors from '@fastify/cors';
import rateLimit from '@fastify/rate-limit';
import { ScreenerController } from './controllers/screener.controller';
import { FinanceController } from './controllers/finance.controller';
import { CallsController } from './controllers/calls.controller';
import { AnalyzeController } from './controllers/analyze.controller';
import { ScreenerEngine } from './services/ScreenerEngine';
import { BenchmarkProvider } from './services/BenchmarkProvider';
import { PortfolioAdvisor } from './services/PortfolioAdvisor';
import { LLMAnalyst } from './services/LLMAnalyst';
import { CatalystAnalyst } from './services/CatalystAnalyst';
import { YahooFinanceClient } from './clients/YahooFinanceClient';
import { MarketCallRepository } from './repositories/MarketCallRepository';
import { PortfolioRepository } from './repositories/PortfolioRepository';
import { noopLogger } from './utils/logger';
interface BuildAppOptions {
logger?: boolean;
}
// ── Adding a new domain ───────────────────────────────────────────────────
// 1. server/types/<domain>.model.ts — define request/response shapes
// 2. server/services/<Domain>.ts — business logic
// 3. server/controllers/<domain>.controller.ts — HTTP wiring (class + register)
// 4. Register: new <Domain>Controller(...).register(app) ← add below
// ───────────────────────────────────────────────────────────────────────────
export async function buildApp({ logger = true }: BuildAppOptions = {}) {
const app = Fastify({ logger });
await app.register(cors, {
origin: process.env.CLIENT_ORIGIN ?? 'http://localhost:5173',
});
// ── Rate limiting — applied globally, tightest on expensive routes ───────
await app.register(rateLimit, {
global: false, // opt-in per route via config.rateLimit
max: 60,
timeWindow: '1 minute',
});
// ── API key auth — only enforced when API_KEY env var is set ─────────────
const API_KEY = process.env.API_KEY;
if (API_KEY) {
app.addHook('onRequest', async (req: FastifyRequest, reply: FastifyReply) => {
// Skip auth for health check and OPTIONS preflight
if (req.url === '/health' || req.method === 'OPTIONS') return;
const header = req.headers['authorization'] ?? '';
if (header !== `Bearer ${API_KEY}`) {
return reply.code(401).send({ error: 'Unauthorized' });
}
});
}
const yahoo = new YahooFinanceClient();
const benchmark = new BenchmarkProvider(yahoo, { logger: noopLogger });
const engine = new ScreenerEngine(yahoo, benchmark, { logger: noopLogger });
const advisor = new PortfolioAdvisor(yahoo);
const llm = new LLMAnalyst({ logger: noopLogger });
const catalyst = new CatalystAnalyst({ logger: noopLogger });
new ScreenerController(engine).register(app);
new FinanceController(engine, new PortfolioRepository(), advisor).register(app);
new CallsController(new MarketCallRepository(), engine, yahoo).register(app);
new AnalyzeController(catalyst, llm).register(app);
app.get('/health', async () => ({ status: 'ok' }));
return app;
}