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[rbdr/forum] / 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 };