nodejs-express-server.expressServer.mustache Maven / Gradle / Ivy
// const { Middleware } = require('swagger-express-middleware');
const http = require('http');
const fs = require('fs');
const path = require('path');
const swaggerUI = require('swagger-ui-express');
const jsYaml = require('js-yaml');
const express = require('express');
const cors = require('cors');
const cookieParser = require('cookie-parser');
const bodyParser = require('body-parser');
const { OpenApiValidator } = require('express-openapi-validator');
const logger = require('./logger');
const config = require('./config');
class ExpressServer {
constructor(port, openApiYaml) {
this.port = port;
this.app = express();
this.openApiPath = openApiYaml;
try {
this.schema = jsYaml.safeLoad(fs.readFileSync(openApiYaml));
} catch (e) {
logger.error('failed to start Express Server', e.message);
}
this.setupMiddleware();
}
setupMiddleware() {
// this.setupAllowedMedia();
this.app.use(cors());
this.app.use(bodyParser.json({ limit: '14MB' }));
this.app.use(express.json());
this.app.use(express.urlencoded({ extended: false }));
this.app.use(cookieParser());
//Simple test to see that the server is up and responding
this.app.get('/hello', (req, res) => res.send(`Hello World. path: ${this.openApiPath}`));
//Send the openapi document *AS GENERATED BY THE GENERATOR*
this.app.get('/openapi', (req, res) => res.sendFile((path.join(__dirname, 'api', 'openapi.yaml'))));
//View the openapi document in a visual interface. Should be able to test from this page
this.app.use('/api-docs', swaggerUI.serve, swaggerUI.setup(this.schema));
this.app.get('/login-redirect', (req, res) => {
res.status(200);
res.json(req.query);
});
this.app.get('/oauth2-redirect.html', (req, res) => {
res.status(200);
res.json(req.query);
});
}
launch() {
new OpenApiValidator({
apiSpec: this.openApiPath,
operationHandlers: path.join(__dirname),
fileUploader: { dest: config.FILE_UPLOAD_PATH },
}).install(this.app)
.catch(e => console.log(e))
.then(() => {
// eslint-disable-next-line no-unused-vars
this.app.use((err, req, res, next) => {
// format errors
res.status(err.status || 500).json({
message: err.message || err,
errors: err.errors || '',
});
});
http.createServer(this.app).listen(this.port);
console.log(`Listening on port ${this.port}`);
});
}
async close() {
if (this.server !== undefined) {
await this.server.close();
console.log(`Server on port ${this.port} shut down`);
}
}
}
module.exports = ExpressServer;