git.r.bdr.sh - rbdr/forum/blob - lib/forum.js

   1 import Koa from 'koa';
   2
   3 import HandleErrors from './middleware/handle_errors.js';
   4 import KoaSend from 'koa-send';
   5 import KoaStatic from 'koa-static';
   6 import Path from 'path';
   7
   8 /**
   9  * The Forum class is the main entry point for the backend application.
  10  *
  11  * @module Forum
  12  * @param {tForumBackendConfiguration} config the initialization options to
  13  * extend the instance
  14  */
  15 export default class Forum {
  16
  17   constructor(config) {
  18
  19     Object.assign(this, config);
  20   }
  21
  22   /**
  23    * Initializes the application and starts listening. Also prints a
  24    * nice robotic banner with information.
  25    */
  26   run() {
  27
  28     this._initializeServer();
  29     this._startServer();
  30     this._printBanner();
  31
  32     return Promise.resolve();
  33   }
  34
  35   // Initializes the Koa application and all the handlers.
  36
  37   _initializeServer() {
  38
  39     const self = this;
  40
  41     this._app = new Koa();
  42     this._app.use(KoaStatic(this.staticDirectory));
  43
  44     // Error handler
  45
  46     this._app.use(HandleErrors);
  47
  48     this._initializePostsRoutes();
  49
  50     this._app.use(async function () {
  51
  52       await KoaSend(this, Path.join(self.staticDirectory, 'index.html'));
  53     });
  54
  55   }
  56
  57   // Initialize routes for posts
  58
  59   _initializePostsRoutes() {
  60
  61     // Under construction
  62   }
  63
  64
  65   // Starts listening
  66
  67   _startServer() {
  68
  69     this._app.listen(this.port);
  70   }
  71
  72   // Prints the banner.
  73
  74   _printBanner() {
  75
  76     console.log('        .');
  77     console.log('       /');
  78     console.log('    +-----+');
  79     console.log(`    | o o |  - Listening Gladly, Try me on port: ${this.port}`);
  80     console.log('    +-----+');
  81     console.log('  +---------+');
  82     console.log(' /|    [][] |\\');
  83     console.log(' ||         | |');
  84     console.log(' ||         |  \\c');
  85     console.log(' ^+---------+');
  86     console.log('      (.) ');
  87   }
  88 };