ui/src/components/footer.tsx

   1 import { Component } from 'inferno';
   2 import { Link } from 'inferno-router';
   3 import { i18n } from '../i18next';
   4 import { Subscription } from 'rxjs';
   5 import { retryWhen, delay, take } from 'rxjs/operators';
   6 import { WebSocketService } from '../services';
   7 import { repoUrl, wsJsonToRes } from '../utils';
   8 import {
   9   UserOperation,
  10   WebSocketJsonResponse,
  11   GetSiteResponse,
  12 } from 'lemmy-js-client';
  13
  14 interface FooterState {
  15   version: string;
  16 }
  17
  18 export class Footer extends Component<any, FooterState> {
  19   private wsSub: Subscription;
  20   emptyState: FooterState = {
  21     version: null,
  22   };
  23   constructor(props: any, context: any) {
  24     super(props, context);
  25
  26     this.state = this.emptyState;
  27
  28     this.wsSub = WebSocketService.Instance.subject
  29       .pipe(retryWhen(errors => errors.pipe(delay(3000), take(10))))
  30       .subscribe(
  31         msg => this.parseMessage(msg),
  32         err => console.error(err),
  33         () => console.log('complete')
  34       );
  35   }
  36
  37   componentWillUnmount() {
  38     this.wsSub.unsubscribe();
  39   }
  40
  41   render() {
  42     return (
  43       <nav class="container navbar navbar-expand-md navbar-light navbar-bg p-0 px-3 mt-2">
  44         <div className="navbar-collapse">
  45           <ul class="navbar-nav ml-auto">
  46             <li class="nav-item">
  47               <span class="navbar-text">{this.state.version}</span>
  48             </li>
  49             <li class="nav-item">
  50               <Link class="nav-link" to="/modlog">
  51                 {i18n.t('modlog')}
  52               </Link>
  53             </li>
  54             <li class="nav-item">
  55               <Link class="nav-link" to="/instances">
  56                 {i18n.t('instances')}
  57               </Link>
  58             </li>
  59             <li class="nav-item">
  60               <a class="nav-link" href={'/docs/index.html'}>
  61                 {i18n.t('docs')}
  62               </a>
  63             </li>
  64             <li class="nav-item">
  65               <Link class="nav-link" to="/sponsors">
  66                 {i18n.t('donate')}
  67               </Link>
  68             </li>
  69             <li class="nav-item">
  70               <a class="nav-link" href={repoUrl}>
  71                 {i18n.t('code')}
  72               </a>
  73             </li>
  74           </ul>
  75         </div>
  76       </nav>
  77     );
  78   }
  79   parseMessage(msg: WebSocketJsonResponse) {
  80     let res = wsJsonToRes(msg);
  81
  82     if (res.op == UserOperation.GetSite) {
  83       let data = res.data as GetSiteResponse;
  84       this.setState({ version: data.version });
  85     }
  86   }
  87 }