app/Controllers/Http/Api/Static/AnnouncementsController.ts


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import type { HttpContext } from '@adonisjs/core/http';
import { app } from '@adonisjs/core/services/app';
import path from 'node:path';
import fs from 'fs-extra';

export default class AnnouncementsController {
  public async show({ response, params }: HttpContext) {
    const announcement = path.join(
      app.resourcesPath(),
      'announcements',
      `${params.version}.json`,
    );

    if (await fs.pathExists(announcement)) {
      return response.download(announcement);
    }

    return response.status(404).send('No announcement found.');
  }
}