sol-mem-gen/server.ts

import { createServer } from 'http';
import { parse } from 'url';
import next from 'next';
import { DataSource, EntityTarget } from 'typeorm';

// Reference: https://github.com/motdotla/dotenv?tab=readme-ov-file#how-do-i-use-dotenv-with-import
import 'dotenv/config'

import { QuotesService } from './quotes-service';
import { initializeDataSource } from './src/data-source';
import { Payment } from './src/entity/Payment';
import { Tweet } from './src/entity/Tweet';

const port = parseInt(process.env.PORT || '3000', 10);
const app = next({ dev: process.env.NODE_ENV !== 'production' });
const handle = app.getRequestHandler();

const quotesService = new QuotesService();

declare global {
  namespace NodeJS {
    interface Global {
      quotesService: QuotesService
      appDataSource: DataSource
      entities: { [key: string]: EntityTarget<any>}
    }
  }
}

// TODO: Look for a better way to use quotesService
// Initialize global quotes service
global.quotesService = quotesService

global.entities = {
  Payment,
  Tweet
};

app.prepare().then(async() => {
  global.appDataSource = await initializeDataSource();

  const server = createServer(async (req, res) => {
    const parsedUrl = parse(req.url!, true);

    handle(req, res, parsedUrl);
  });

  await quotesService.fetchAndCacheQuotes(); // Initial store

  server.listen(port, () => {
    console.log(`> Server listening at http://localhost:${port}`);
  });

  // Interval setup
  setInterval(async () => await quotesService.fetchAndCacheQuotes(), 5 * 60 * 1000); // Update cache every 5 minutes
});