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