ui/src/components/navbar.tsx

   1 import { Component, linkEvent, createRef, RefObject } from 'inferno';
   2 import { Link } from 'inferno-router';
   3 import { Subscription } from 'rxjs';
   4 import { retryWhen, delay, take } from 'rxjs/operators';
   5 import { WebSocketService, UserService } from '../services';
   6 import {
   7   UserOperation,
   8   GetRepliesForm,
   9   GetRepliesResponse,
  10   GetUserMentionsForm,
  11   GetUserMentionsResponse,
  12   GetPrivateMessagesForm,
  13   PrivateMessagesResponse,
  14   SortType,
  15   SearchType,
  16   GetSiteResponse,
  17   Comment,
  18   CommentResponse,
  19   PrivateMessage,
  20   UserView,
  21   PrivateMessageResponse,
  22   WebSocketJsonResponse,
  23   SearchForm,
  24 } from '../interfaces';
  25 import {
  26   wsJsonToRes,
  27   pictrsAvatarThumbnail,
  28   showAvatars,
  29   fetchLimit,
  30   isCommentType,
  31   toast,
  32   messageToastify,
  33   md,
  34 } from '../utils';
  35 import { version } from '../version';
  36 import { i18n } from '../i18next';
  37
  38 interface NavbarState {
  39   isLoggedIn: boolean;
  40   expanded: boolean;
  41   replies: Array<Comment>;
  42   mentions: Array<Comment>;
  43   messages: Array<PrivateMessage>;
  44   unreadCount: number;
  45   siteName: string;
  46   admins: Array<UserView>;
  47   searchParam: string;
  48   toggleSearch: boolean;
  49 }
  50
  51 export class Navbar extends Component<any, NavbarState> {
  52   private wsSub: Subscription;
  53   private userSub: Subscription;
  54   private searchTextField: RefObject<HTMLInputElement>;
  55   emptyState: NavbarState = {
  56     isLoggedIn: UserService.Instance.user !== undefined,
  57     unreadCount: 0,
  58     replies: [],
  59     mentions: [],
  60     messages: [],
  61     expanded: false,
  62     siteName: undefined,
  63     admins: [],
  64     searchParam: '',
  65     toggleSearch: false,
  66   };
  67
  68   constructor(props: any, context: any) {
  69     super(props, context);
  70     this.state = this.emptyState;
  71
  72     // Subscribe to user changes
  73     this.userSub = UserService.Instance.sub.subscribe(user => {
  74       this.state.isLoggedIn = user.user !== undefined;
  75       if (this.state.isLoggedIn) {
  76         this.state.unreadCount = user.user.unreadCount;
  77         this.requestNotificationPermission();
  78       }
  79       this.setState(this.state);
  80     });
  81
  82     this.wsSub = WebSocketService.Instance.subject
  83       .pipe(retryWhen(errors => errors.pipe(delay(3000), take(10))))
  84       .subscribe(
  85         msg => this.parseMessage(msg),
  86         err => console.error(err),
  87         () => console.log('complete')
  88       );
  89
  90     if (this.state.isLoggedIn) {
  91       this.requestNotificationPermission();
  92       // TODO couldn't get re-logging in to re-fetch unreads
  93       this.fetchUnreads();
  94     }
  95
  96     WebSocketService.Instance.getSite();
  97
  98     this.searchTextField = createRef();
  99   }
 100
 101   handleSearchParam(i: Navbar, event: any) {
 102     i.state.searchParam = event.target.value;
 103     i.setState(i.state);
 104   }
 105
 106   updateUrl() {
 107     const searchParam = this.state.searchParam;
 108     this.setState({ searchParam: '' });
 109     this.setState({ toggleSearch: false });
 110     if (searchParam === '') {
 111       this.context.router.history.push(`/search/`);
 112     } else {
 113       this.context.router.history.push(
 114         `/search/q/${searchParam}/type/all/sort/topall/page/1`
 115       );
 116     }
 117   }
 118
 119   handleSearchSubmit(i: Navbar, event: any) {
 120     event.preventDefault();
 121     i.updateUrl();
 122   }
 123
 124   handleSearchBtn(i: Navbar, event: any) {
 125     event.preventDefault();
 126     i.setState({ toggleSearch: true });
 127
 128     i.searchTextField.current.focus();
 129     const offsetWidth = i.searchTextField.current.offsetWidth;
 130     if (i.state.searchParam && offsetWidth > 100) {
 131       i.updateUrl();
 132     }
 133   }
 134
 135   handleSearchBlur(i: Navbar, event: any) {
 136     if (!(event.relatedTarget && event.relatedTarget.name !== 'search-btn')) {
 137       i.state.toggleSearch = false;
 138       i.setState(i.state);
 139     }
 140   }
 141
 142   render() {
 143     return this.navbar();
 144   }
 145
 146   componentWillUnmount() {
 147     this.wsSub.unsubscribe();
 148     this.userSub.unsubscribe();
 149   }
 150
 151   // TODO class active corresponding to current page
 152   navbar() {
 153     return (
 154       <nav class="container-fluid navbar navbar-expand-md navbar-light shadow p-0 px-3">
 155         <Link title={version} class="navbar-brand" to="/">
 156           {this.state.siteName}
 157         </Link>
 158         {this.state.isLoggedIn && (
 159           <Link
 160             class="ml-auto p-0 navbar-toggler nav-link"
 161             to="/inbox"
 162             title={i18n.t('inbox')}
 163           >
 164             <svg class="icon">
 165               <use xlinkHref="#icon-bell"></use>
 166             </svg>
 167             {this.state.unreadCount > 0 && (
 168               <span class="ml-1 badge badge-light">
 169                 {this.state.unreadCount}
 170               </span>
 171             )}
 172           </Link>
 173         )}
 174         <button
 175           class="navbar-toggler"
 176           type="button"
 177           aria-label="menu"
 178           onClick={linkEvent(this, this.expandNavbar)}
 179           data-tippy-content={i18n.t('expand_here')}
 180         >
 181           <span class="navbar-toggler-icon"></span>
 182         </button>
 183         <div
 184           className={`${!this.state.expanded && 'collapse'} navbar-collapse`}
 185         >
 186           <ul class="navbar-nav mr-auto">
 187             <li class="nav-item">
 188               <Link
 189                 class="nav-link"
 190                 to="/communities"
 191                 title={i18n.t('communities')}
 192               >
 193                 {i18n.t('communities')}
 194               </Link>
 195             </li>
 196             <li class="nav-item">
 197               <Link
 198                 class="nav-link"
 199                 to={{
 200                   pathname: '/create_post',
 201                   state: { prevPath: this.currentLocation },
 202                 }}
 203                 title={i18n.t('create_post')}
 204               >
 205                 {i18n.t('create_post')}
 206               </Link>
 207             </li>
 208             <li class="nav-item">
 209               <Link
 210                 class="nav-link"
 211                 to="/create_community"
 212                 title={i18n.t('create_community')}
 213               >
 214                 {i18n.t('create_community')}
 215               </Link>
 216             </li>
 217             <li className="nav-item">
 218               <Link
 219                 class="nav-link"
 220                 to="/sponsors"
 221                 title={i18n.t('donate_to_lemmy')}
 222               >
 223                 <svg class="icon">
 224                   <use xlinkHref="#icon-coffee"></use>
 225                 </svg>
 226               </Link>
 227             </li>
 228           </ul>
 229           {!this.context.router.history.location.pathname.match(
 230             /^\/search/
 231           ) && (
 232             <div class="nav-item my-2">
 233               <form
 234                 class="form-inline"
 235                 onSubmit={linkEvent(this, this.handleSearchSubmit)}
 236               >
 237                 <input
 238                   class={`form-control mr-0 search-input ${
 239                     this.state.toggleSearch ? 'show-input' : 'hide-input'
 240                   }`}
 241                   onInput={linkEvent(this, this.handleSearchParam)}
 242                   value={this.state.searchParam}
 243                   ref={this.searchTextField}
 244                   type="text"
 245                   placeholder={i18n.t('search')}
 246                   onBlur={linkEvent(this, this.handleSearchBlur)}
 247                 ></input>
 248                 <div class="mx-sm-2">
 249                   <button
 250                     name="search-btn"
 251                     onClick={linkEvent(this, this.handleSearchBtn)}
 252                     class="btn btn-secondary"
 253                   >
 254                     {i18n.t('search')}
 255                   </button>
 256                 </div>
 257               </form>
 258             </div>
 259           )}
 260           <ul class="navbar-nav ml-2">
 261             {this.canAdmin && (
 262               <li className="nav-item mt-1">
 263                 <Link
 264                   class="nav-link"
 265                   to={`/admin`}
 266                   title={i18n.t('admin_settings')}
 267                 >
 268                   <svg class="icon">
 269                     <use xlinkHref="#icon-settings"></use>
 270                   </svg>
 271                 </Link>
 272               </li>
 273             )}
 274             {this.state.isLoggedIn ? (
 275               <>
 276                 <li className="nav-item mt-1">
 277                   <Link class="nav-link" to="/inbox" title={i18n.t('inbox')}>
 278                     <svg class="icon">
 279                       <use xlinkHref="#icon-bell"></use>
 280                     </svg>
 281                     {this.state.unreadCount > 0 && (
 282                       <span class="ml-1 badge badge-light">
 283                         {this.state.unreadCount}
 284                       </span>
 285                     )}
 286                   </Link>
 287                 </li>
 288                 <li className="nav-item">
 289                   <Link
 290                     class="nav-link"
 291                     to={`/u/${UserService.Instance.user.username}`}
 292                     title={i18n.t('settings')}
 293                   >
 294                     <span>
 295                       {UserService.Instance.user.avatar && showAvatars() && (
 296                         <img
 297                           src={pictrsAvatarThumbnail(
 298                             UserService.Instance.user.avatar
 299                           )}
 300                           height="32"
 301                           width="32"
 302                           class="rounded-circle mr-2"
 303                         />
 304                       )}
 305                       {UserService.Instance.user.username}
 306                     </span>
 307                   </Link>
 308                 </li>
 309               </>
 310             ) : (
 311               <Link
 312                 class="nav-link"
 313                 to="/login"
 314                 title={i18n.t('login_sign_up')}
 315               >
 316                 {i18n.t('login_sign_up')}
 317               </Link>
 318             )}
 319           </ul>
 320         </div>
 321       </nav>
 322     );
 323   }
 324
 325   expandNavbar(i: Navbar) {
 326     i.state.expanded = !i.state.expanded;
 327     i.setState(i.state);
 328   }
 329
 330   parseMessage(msg: WebSocketJsonResponse) {
 331     let res = wsJsonToRes(msg);
 332     if (msg.error) {
 333       if (msg.error == 'not_logged_in') {
 334         UserService.Instance.logout();
 335         location.reload();
 336       }
 337       return;
 338     } else if (msg.reconnect) {
 339       this.fetchUnreads();
 340     } else if (res.op == UserOperation.GetReplies) {
 341       let data = res.data as GetRepliesResponse;
 342       let unreadReplies = data.replies.filter(r => !r.read);
 343
 344       this.state.replies = unreadReplies;
 345       this.state.unreadCount = this.calculateUnreadCount();
 346       this.setState(this.state);
 347       this.sendUnreadCount();
 348     } else if (res.op == UserOperation.GetUserMentions) {
 349       let data = res.data as GetUserMentionsResponse;
 350       let unreadMentions = data.mentions.filter(r => !r.read);
 351
 352       this.state.mentions = unreadMentions;
 353       this.state.unreadCount = this.calculateUnreadCount();
 354       this.setState(this.state);
 355       this.sendUnreadCount();
 356     } else if (res.op == UserOperation.GetPrivateMessages) {
 357       let data = res.data as PrivateMessagesResponse;
 358       let unreadMessages = data.messages.filter(r => !r.read);
 359
 360       this.state.messages = unreadMessages;
 361       this.state.unreadCount = this.calculateUnreadCount();
 362       this.setState(this.state);
 363       this.sendUnreadCount();
 364     } else if (res.op == UserOperation.CreateComment) {
 365       let data = res.data as CommentResponse;
 366
 367       if (this.state.isLoggedIn) {
 368         if (data.recipient_ids.includes(UserService.Instance.user.id)) {
 369           this.state.replies.push(data.comment);
 370           this.state.unreadCount++;
 371           this.setState(this.state);
 372           this.sendUnreadCount();
 373           this.notify(data.comment);
 374         }
 375       }
 376     } else if (res.op == UserOperation.CreatePrivateMessage) {
 377       let data = res.data as PrivateMessageResponse;
 378
 379       if (this.state.isLoggedIn) {
 380         if (data.message.recipient_id == UserService.Instance.user.id) {
 381           this.state.messages.push(data.message);
 382           this.state.unreadCount++;
 383           this.setState(this.state);
 384           this.sendUnreadCount();
 385           this.notify(data.message);
 386         }
 387       }
 388     } else if (res.op == UserOperation.GetSite) {
 389       let data = res.data as GetSiteResponse;
 390
 391       if (data.site && !this.state.siteName) {
 392         this.state.siteName = data.site.name;
 393         this.state.admins = data.admins;
 394         WebSocketService.Instance.site = data.site;
 395         WebSocketService.Instance.admins = data.admins;
 396
 397         this.setState(this.state);
 398       }
 399     }
 400   }
 401
 402   fetchUnreads() {
 403     if (this.state.isLoggedIn) {
 404       let repliesForm: GetRepliesForm = {
 405         sort: SortType[SortType.New],
 406         unread_only: true,
 407         page: 1,
 408         limit: fetchLimit,
 409       };
 410
 411       let userMentionsForm: GetUserMentionsForm = {
 412         sort: SortType[SortType.New],
 413         unread_only: true,
 414         page: 1,
 415         limit: fetchLimit,
 416       };
 417
 418       let privateMessagesForm: GetPrivateMessagesForm = {
 419         unread_only: true,
 420         page: 1,
 421         limit: fetchLimit,
 422       };
 423
 424       if (this.currentLocation !== '/inbox') {
 425         WebSocketService.Instance.getReplies(repliesForm);
 426         WebSocketService.Instance.getUserMentions(userMentionsForm);
 427         WebSocketService.Instance.getPrivateMessages(privateMessagesForm);
 428       }
 429     }
 430   }
 431
 432   get currentLocation() {
 433     return this.context.router.history.location.pathname;
 434   }
 435
 436   sendUnreadCount() {
 437     UserService.Instance.user.unreadCount = this.state.unreadCount;
 438     UserService.Instance.sub.next({
 439       user: UserService.Instance.user,
 440     });
 441   }
 442
 443   calculateUnreadCount(): number {
 444     return (
 445       this.state.replies.filter(r => !r.read).length +
 446       this.state.mentions.filter(r => !r.read).length +
 447       this.state.messages.filter(r => !r.read).length
 448     );
 449   }
 450
 451   get canAdmin(): boolean {
 452     return (
 453       UserService.Instance.user &&
 454       this.state.admins.map(a => a.id).includes(UserService.Instance.user.id)
 455     );
 456   }
 457
 458   requestNotificationPermission() {
 459     if (UserService.Instance.user) {
 460       document.addEventListener('DOMContentLoaded', function () {
 461         if (!Notification) {
 462           toast(i18n.t('notifications_error'), 'danger');
 463           return;
 464         }
 465
 466         if (Notification.permission !== 'granted')
 467           Notification.requestPermission();
 468       });
 469     }
 470   }
 471
 472   notify(reply: Comment | PrivateMessage) {
 473     let creator_name = reply.creator_name;
 474     let creator_avatar = reply.creator_avatar
 475       ? reply.creator_avatar
 476       : `${window.location.protocol}//${window.location.host}/static/assets/apple-touch-icon.png`;
 477     let link = isCommentType(reply)
 478       ? `/post/${reply.post_id}/comment/${reply.id}`
 479       : `/inbox`;
 480     let htmlBody = md.render(reply.content);
 481     let body = reply.content; // Unfortunately the notifications API can't do html
 482
 483     messageToastify(
 484       creator_name,
 485       creator_avatar,
 486       htmlBody,
 487       link,
 488       this.context.router
 489     );
 490
 491     if (Notification.permission !== 'granted') Notification.requestPermission();
 492     else {
 493       var notification = new Notification(reply.creator_name, {
 494         icon: creator_avatar,
 495         body: body,
 496       });
 497
 498       notification.onclick = () => {
 499         event.preventDefault();
 500         this.context.router.history.push(link);
 501       };
 502     }
 503   }
 504 }