src/app.js - master - kashmov/api-library-lr2

src/app.js
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kashmov
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25 сен 2025, 10:30
25 сен 2025, 10:308d4274d
import express from 'express';
import morgan from 'morgan';
import helmet from 'helmet';
import cors from 'cors';
import path from 'path';
import { fileURLToPath } from 'url';
import swaggerUi from 'swagger-ui-express';
import YAML from 'yamljs';

import rateLimit from './middleware/rateLimit.js';
import notFound from './middleware/notFound.js';
import errorHandler from './middleware/error.js';

import v1Readers from './routes/v1/readers.js';
import v1Authors from './routes/v1/authors.js';
import v1Books from './routes/v1/books.js';
import v1BookCopies from './routes/v1/bookCopies.js';
import v1Loans from './routes/v1/loans.js';
import v1Auth from './routes/v1/auth.js';

import v2Readers from './routes/v2/readers.js';
import v2Authors from './routes/v2/authors.js';
import v2Books from './routes/v2/books.js';
import v2BookCopies from './routes/v2/bookCopies.js';
import v2Loans from './routes/v2/loans.js';
import v2Auth from './routes/v2/auth.js';

import internalRouter from './routes/internal.js';


const __filename = fileURLToPath(import.meta.url);
const __dirname = path.dirname(__filename);

const app = express();

// базовые мидлвары
app.use(helmet());
app.use(cors());
app.use(express.json());
app.use(morgan('dev'));

// rate limit на все эндпоинты
app.use(rateLimit);

// версии API: v1 (без page_count)
app.use('/api/v1/auth', v1Auth);
app.use('/api/v1/readers', v1Readers);
app.use('/api/v1/authors', v1Authors);
app.use('/api/v1/books', v1Books);
app.use('/api/v1/book-copies', v1BookCopies);
app.use('/api/v1/loans', v1Loans);

// v2: то же, но у books добавлено поле page_count + отражено в Swagger
app.use('/api/v2/auth', v2Auth);
app.use('/api/v2/readers', v2Readers);
app.use('/api/v2/authors', v2Authors);
app.use('/api/v2/books', v2Books);
app.use('/api/v2/book-copies', v2BookCopies);
app.use('/api/v2/loans', v2Loans);

app.use('/api/internal', internalRouter);

// Swagger
const v1Doc = YAML.load(path.join(__dirname, 'docs', 'openapi.v1.yaml'));
const v2Doc = YAML.load(path.join(__dirname, 'docs', 'openapi.v2.yaml'));
app.use('/docs/v1', swaggerUi.serveFiles(v1Doc), swaggerUi.setup(v1Doc));
app.use('/docs/v2', swaggerUi.serveFiles(v2Doc), swaggerUi.setup(v2Doc));

// 404 + ошибки
app.use(notFound);
app.use(errorHandler);

export default app;