ui/src/components/main.tsx

   1 import { Component, linkEvent } from 'inferno';
   2 import { Link } from 'inferno-router';
   3 import { Subscription } from 'rxjs';
   4 import { retryWhen, delay, take } from 'rxjs/operators';
   5 import {
   6   UserOperation,
   7   CommunityUser,
   8   GetFollowedCommunitiesResponse,
   9   ListCommunitiesForm,
  10   ListCommunitiesResponse,
  11   Community,
  12   SortType,
  13   GetSiteResponse,
  14   ListingType,
  15   DataType,
  16   SiteResponse,
  17   GetPostsResponse,
  18   PostResponse,
  19   Post,
  20   GetPostsForm,
  21   Comment,
  22   GetCommentsForm,
  23   GetCommentsResponse,
  24   CommentResponse,
  25   AddAdminResponse,
  26   BanUserResponse,
  27   WebSocketJsonResponse,
  28 } from '../interfaces';
  29 import { WebSocketService, UserService } from '../services';
  30 import { PostListings } from './post-listings';
  31 import { CommentNodes } from './comment-nodes';
  32 import { SortSelect } from './sort-select';
  33 import { ListingTypeSelect } from './listing-type-select';
  34 import { DataTypeSelect } from './data-type-select';
  35 import { SiteForm } from './site-form';
  36 import { UserListing } from './user-listing';
  37 import { CommunityLink } from './community-link';
  38 import {
  39   wsJsonToRes,
  40   repoUrl,
  41   mdToHtml,
  42   fetchLimit,
  43   toast,
  44   getListingTypeFromProps,
  45   getPageFromProps,
  46   getSortTypeFromProps,
  47   getDataTypeFromProps,
  48   editCommentRes,
  49   saveCommentRes,
  50   createCommentLikeRes,
  51   createPostLikeFindRes,
  52   editPostFindRes,
  53   commentsToFlatNodes,
  54   setupTippy,
  55 } from '../utils';
  56 import { i18n } from '../i18next';
  57 import { T } from 'inferno-i18next';
  58
  59 interface MainState {
  60   subscribedCommunities: Array<CommunityUser>;
  61   trendingCommunities: Array<Community>;
  62   siteRes: GetSiteResponse;
  63   showEditSite: boolean;
  64   loading: boolean;
  65   posts: Array<Post>;
  66   comments: Array<Comment>;
  67   listingType: ListingType;
  68   dataType: DataType;
  69   sort: SortType;
  70   page: number;
  71 }
  72
  73 interface MainProps {
  74   listingType: ListingType;
  75   dataType: DataType;
  76   sort: SortType;
  77   page: number;
  78 }
  79
  80 interface UrlParams {
  81   listingType?: string;
  82   dataType?: string;
  83   sort?: string;
  84   page?: number;
  85 }
  86
  87 export class Main extends Component<any, MainState> {
  88   private subscription: Subscription;
  89   private emptyState: MainState = {
  90     subscribedCommunities: [],
  91     trendingCommunities: [],
  92     siteRes: {
  93       site: {
  94         id: null,
  95         name: null,
  96         creator_id: null,
  97         creator_name: null,
  98         published: null,
  99         number_of_users: null,
 100         number_of_posts: null,
 101         number_of_comments: null,
 102         number_of_communities: null,
 103         enable_downvotes: null,
 104         open_registration: null,
 105         enable_nsfw: null,
 106       },
 107       admins: [],
 108       banned: [],
 109       online: null,
 110     },
 111     showEditSite: false,
 112     loading: true,
 113     posts: [],
 114     comments: [],
 115     listingType: getListingTypeFromProps(this.props),
 116     dataType: getDataTypeFromProps(this.props),
 117     sort: getSortTypeFromProps(this.props),
 118     page: getPageFromProps(this.props),
 119   };
 120
 121   constructor(props: any, context: any) {
 122     super(props, context);
 123
 124     this.state = this.emptyState;
 125     this.handleEditCancel = this.handleEditCancel.bind(this);
 126     this.handleSortChange = this.handleSortChange.bind(this);
 127     this.handleListingTypeChange = this.handleListingTypeChange.bind(this);
 128     this.handleDataTypeChange = this.handleDataTypeChange.bind(this);
 129
 130     this.subscription = WebSocketService.Instance.subject
 131       .pipe(retryWhen(errors => errors.pipe(delay(3000), take(10))))
 132       .subscribe(
 133         msg => this.parseMessage(msg),
 134         err => console.error(err),
 135         () => console.log('complete')
 136       );
 137
 138     WebSocketService.Instance.getSite();
 139
 140     if (UserService.Instance.user) {
 141       WebSocketService.Instance.getFollowedCommunities();
 142     }
 143
 144     let listCommunitiesForm: ListCommunitiesForm = {
 145       sort: SortType[SortType.Hot],
 146       limit: 6,
 147     };
 148
 149     WebSocketService.Instance.listCommunities(listCommunitiesForm);
 150
 151     this.fetchData();
 152   }
 153
 154   componentWillUnmount() {
 155     this.subscription.unsubscribe();
 156   }
 157
 158   static getDerivedStateFromProps(props: any): MainProps {
 159     return {
 160       listingType: getListingTypeFromProps(props),
 161       dataType: getDataTypeFromProps(props),
 162       sort: getSortTypeFromProps(props),
 163       page: getPageFromProps(props),
 164     };
 165   }
 166
 167   componentDidUpdate(_: any, lastState: MainState) {
 168     if (
 169       lastState.listingType !== this.state.listingType ||
 170       lastState.dataType !== this.state.dataType ||
 171       lastState.sort !== this.state.sort ||
 172       lastState.page !== this.state.page
 173     ) {
 174       this.setState({ loading: true });
 175       this.fetchData();
 176     }
 177   }
 178
 179   render() {
 180     return (
 181       <div class="container">
 182         <div class="row">
 183           <main role="main" class="col-12 col-md-8">
 184             {this.posts()}
 185           </main>
 186           <aside class="col-12 col-md-4">{this.my_sidebar()}</aside>
 187         </div>
 188       </div>
 189     );
 190   }
 191
 192   my_sidebar() {
 193     return (
 194       <div>
 195         {!this.state.loading && (
 196           <div>
 197             <div class="card border-secondary mb-3">
 198               <div class="card-body">
 199                 {this.trendingCommunities()}
 200                 {UserService.Instance.user &&
 201                   this.state.subscribedCommunities.length > 0 && (
 202                     <div>
 203                       <h5>
 204                         <T i18nKey="subscribed_to_communities">
 205                           #
 206                           <Link class="text-body" to="/communities">
 207                             #
 208                           </Link>
 209                         </T>
 210                       </h5>
 211                       <ul class="list-inline">
 212                         {this.state.subscribedCommunities.map(community => (
 213                           <li class="list-inline-item">
 214                             <CommunityLink
 215                               community={{
 216                                 name: community.community_name,
 217                                 id: community.community_id,
 218                                 local: community.community_local,
 219                                 actor_id: community.community_actor_id,
 220                               }}
 221                             />
 222                           </li>
 223                         ))}
 224                       </ul>
 225                     </div>
 226                   )}
 227                 <Link
 228                   class="btn btn-sm btn-secondary btn-block"
 229                   to="/create_community"
 230                 >
 231                   {i18n.t('create_a_community')}
 232                 </Link>
 233               </div>
 234             </div>
 235             {this.sidebar()}
 236             {this.landing()}
 237           </div>
 238         )}
 239       </div>
 240     );
 241   }
 242
 243   trendingCommunities() {
 244     return (
 245       <div>
 246         <h5>
 247           <T i18nKey="trending_communities">
 248             #
 249             <Link class="text-body" to="/communities">
 250               #
 251             </Link>
 252           </T>
 253         </h5>
 254         <ul class="list-inline">
 255           {this.state.trendingCommunities.map(community => (
 256             <li class="list-inline-item">
 257               <CommunityLink community={community} />
 258             </li>
 259           ))}
 260         </ul>
 261       </div>
 262     );
 263   }
 264
 265   sidebar() {
 266     return (
 267       <div>
 268         {!this.state.showEditSite ? (
 269           this.siteInfo()
 270         ) : (
 271           <SiteForm
 272             site={this.state.siteRes.site}
 273             onCancel={this.handleEditCancel}
 274           />
 275         )}
 276       </div>
 277     );
 278   }
 279
 280   updateUrl(paramUpdates: UrlParams) {
 281     const listingTypeStr =
 282       paramUpdates.listingType ||
 283       ListingType[this.state.listingType].toLowerCase();
 284     const dataTypeStr =
 285       paramUpdates.dataType || DataType[this.state.dataType].toLowerCase();
 286     const sortStr =
 287       paramUpdates.sort || SortType[this.state.sort].toLowerCase();
 288     const page = paramUpdates.page || this.state.page;
 289     this.props.history.push(
 290       `/home/data_type/${dataTypeStr}/listing_type/${listingTypeStr}/sort/${sortStr}/page/${page}`
 291     );
 292   }
 293
 294   siteInfo() {
 295     return (
 296       <div>
 297         <div class="card border-secondary mb-3">
 298           <div class="card-body">
 299             <h5 class="mb-0">{`${this.state.siteRes.site.name}`}</h5>
 300             {this.canAdmin && (
 301               <ul class="list-inline mb-1 text-muted font-weight-bold">
 302                 <li className="list-inline-item-action">
 303                   <span
 304                     class="pointer"
 305                     onClick={linkEvent(this, this.handleEditClick)}
 306                     data-tippy-content={i18n.t('edit')}
 307                   >
 308                     <svg class="icon icon-inline">
 309                       <use xlinkHref="#icon-edit"></use>
 310                     </svg>
 311                   </span>
 312                 </li>
 313               </ul>
 314             )}
 315             <ul class="my-2 list-inline">
 316               {/*
 317               <li className="list-inline-item badge badge-secondary">
 318                 {i18n.t('number_online', { count: this.state.siteRes.online })}
 319               </li>
 320               */}
 321               <li className="list-inline-item badge badge-secondary">
 322                 {i18n.t('number_of_users', {
 323                   count: this.state.siteRes.site.number_of_users,
 324                 })}
 325               </li>
 326               <li className="list-inline-item badge badge-secondary">
 327                 {i18n.t('number_of_communities', {
 328                   count: this.state.siteRes.site.number_of_communities,
 329                 })}
 330               </li>
 331               <li className="list-inline-item badge badge-secondary">
 332                 {i18n.t('number_of_posts', {
 333                   count: this.state.siteRes.site.number_of_posts,
 334                 })}
 335               </li>
 336               <li className="list-inline-item badge badge-secondary">
 337                 {i18n.t('number_of_comments', {
 338                   count: this.state.siteRes.site.number_of_comments,
 339                 })}
 340               </li>
 341               <li className="list-inline-item">
 342                 <Link className="badge badge-secondary" to="/modlog">
 343                   {i18n.t('modlog')}
 344                 </Link>
 345               </li>
 346             </ul>
 347             <ul class="mt-1 list-inline small mb-0">
 348               <li class="list-inline-item">{i18n.t('admins')}:</li>
 349               {this.state.siteRes.admins.map(admin => (
 350                 <li class="list-inline-item">
 351                   <UserListing
 352                     user={{
 353                       name: admin.name,
 354                       avatar: admin.avatar,
 355                       local: admin.local,
 356                       actor_id: admin.actor_id,
 357                       id: admin.id,
 358                     }}
 359                   />
 360                 </li>
 361               ))}
 362             </ul>
 363           </div>
 364         </div>
 365         {this.state.siteRes.site.description && (
 366           <div class="card border-secondary mb-3">
 367             <div class="card-body">
 368               <div
 369                 className="md-div"
 370                 dangerouslySetInnerHTML={mdToHtml(
 371                   this.state.siteRes.site.description
 372                 )}
 373               />
 374             </div>
 375           </div>
 376         )}
 377       </div>
 378     );
 379   }
 380
 381   landing() {
 382     return (
 383       <div class="card border-secondary">
 384         <div class="card-body">
 385           <h5>
 386             {i18n.t('powered_by')}
 387             <svg class="icon mx-2">
 388               <use xlinkHref="#icon-mouse">#</use>
 389             </svg>
 390             <a href={repoUrl}>
 391               Lemmy<sup>beta</sup>
 392             </a>
 393           </h5>
 394           <p class="mb-0">
 395             <T i18nKey="landing_0">
 396               #
 397               <a href="https://en.wikipedia.org/wiki/Social_network_aggregation">
 398                 #
 399               </a>
 400               <a href="https://en.wikipedia.org/wiki/Fediverse">#</a>
 401               <br class="big"></br>
 402               <code>#</code>
 403               <br></br>
 404               <b>#</b>
 405               <br class="big"></br>
 406               <a href={repoUrl}>#</a>
 407               <br class="big"></br>
 408               <a href="https://www.rust-lang.org">#</a>
 409               <a href="https://actix.rs/">#</a>
 410               <a href="https://infernojs.org">#</a>
 411               <a href="https://www.typescriptlang.org/">#</a>
 412               <br class="big"></br>
 413               <a href="https://github.com/LemmyNet/lemmy/graphs/contributors?type=a">
 414                 #
 415               </a>
 416             </T>
 417           </p>
 418         </div>
 419       </div>
 420     );
 421   }
 422
 423   posts() {
 424     return (
 425       <div class="main-content-wrapper">
 426         {this.selects()}
 427         {this.state.loading ? (
 428           <h5>
 429             <svg class="icon icon-spinner spin">
 430               <use xlinkHref="#icon-spinner"></use>
 431             </svg>
 432           </h5>
 433         ) : (
 434           <div>
 435             {this.listings()}
 436             {this.paginator()}
 437           </div>
 438         )}
 439       </div>
 440     );
 441   }
 442
 443   listings() {
 444     return this.state.dataType == DataType.Post ? (
 445       <PostListings
 446         posts={this.state.posts}
 447         showCommunity
 448         removeDuplicates
 449         sort={this.state.sort}
 450         enableDownvotes={this.state.siteRes.site.enable_downvotes}
 451         enableNsfw={this.state.siteRes.site.enable_nsfw}
 452       />
 453     ) : (
 454       <CommentNodes
 455         nodes={commentsToFlatNodes(this.state.comments)}
 456         noIndent
 457         showCommunity
 458         sortType={this.state.sort}
 459         showContext
 460         enableDownvotes={this.state.siteRes.site.enable_downvotes}
 461       />
 462     );
 463   }
 464
 465   selects() {
 466     return (
 467       <div className="mb-3">
 468         <span class="mr-3">
 469           <DataTypeSelect
 470             type_={this.state.dataType}
 471             onChange={this.handleDataTypeChange}
 472           />
 473         </span>
 474         <span class="mr-3">
 475           <ListingTypeSelect
 476             type_={this.state.listingType}
 477             onChange={this.handleListingTypeChange}
 478           />
 479         </span>
 480         <span class="mr-2">
 481           <SortSelect sort={this.state.sort} onChange={this.handleSortChange} />
 482         </span>
 483         {this.state.listingType == ListingType.All && (
 484           <a
 485             href={`/feeds/all.xml?sort=${SortType[this.state.sort]}`}
 486             target="_blank"
 487             rel="noopener"
 488             title="RSS"
 489           >
 490             <svg class="icon text-muted small">
 491               <use xlinkHref="#icon-rss">#</use>
 492             </svg>
 493           </a>
 494         )}
 495         {UserService.Instance.user &&
 496           this.state.listingType == ListingType.Subscribed && (
 497             <a
 498               href={`/feeds/front/${UserService.Instance.auth}.xml?sort=${
 499                 SortType[this.state.sort]
 500               }`}
 501               target="_blank"
 502               title="RSS"
 503               rel="noopener"
 504             >
 505               <svg class="icon text-muted small">
 506                 <use xlinkHref="#icon-rss">#</use>
 507               </svg>
 508             </a>
 509           )}
 510       </div>
 511     );
 512   }
 513
 514   paginator() {
 515     return (
 516       <div class="my-2">
 517         {this.state.page > 1 && (
 518           <button
 519             class="btn btn-sm btn-secondary mr-1"
 520             onClick={linkEvent(this, this.prevPage)}
 521           >
 522             {i18n.t('prev')}
 523           </button>
 524         )}
 525         {this.state.posts.length > 0 && (
 526           <button
 527             class="btn btn-sm btn-secondary"
 528             onClick={linkEvent(this, this.nextPage)}
 529           >
 530             {i18n.t('next')}
 531           </button>
 532         )}
 533       </div>
 534     );
 535   }
 536
 537   get canAdmin(): boolean {
 538     return (
 539       UserService.Instance.user &&
 540       this.state.siteRes.admins
 541         .map(a => a.id)
 542         .includes(UserService.Instance.user.id)
 543     );
 544   }
 545
 546   handleEditClick(i: Main) {
 547     i.state.showEditSite = true;
 548     i.setState(i.state);
 549   }
 550
 551   handleEditCancel() {
 552     this.state.showEditSite = false;
 553     this.setState(this.state);
 554   }
 555
 556   nextPage(i: Main) {
 557     i.updateUrl({ page: this.state.page + 1 });
 558     window.scrollTo(0, 0);
 559   }
 560
 561   prevPage(i: Main) {
 562     i.updateUrl({ page: this.state.page - 1 });
 563     window.scrollTo(0, 0);
 564   }
 565
 566   handleSortChange(val: SortType) {
 567     this.updateUrl({ sort: SortType[val].toLowerCase(), page: 1 });
 568     window.scrollTo(0, 0);
 569   }
 570
 571   handleListingTypeChange(val: ListingType) {
 572     this.updateUrl({ listingType: ListingType[val].toLowerCase(), page: 1 });
 573     window.scrollTo(0, 0);
 574   }
 575
 576   handleDataTypeChange(val: DataType) {
 577     this.updateUrl({ dataType: DataType[val].toLowerCase(), page: 1 });
 578     window.scrollTo(0, 0);
 579   }
 580
 581   fetchData() {
 582     if (this.state.dataType == DataType.Post) {
 583       let getPostsForm: GetPostsForm = {
 584         page: this.state.page,
 585         limit: fetchLimit,
 586         sort: SortType[this.state.sort],
 587         type_: ListingType[this.state.listingType],
 588       };
 589       WebSocketService.Instance.getPosts(getPostsForm);
 590     } else {
 591       let getCommentsForm: GetCommentsForm = {
 592         page: this.state.page,
 593         limit: fetchLimit,
 594         sort: SortType[this.state.sort],
 595         type_: ListingType[this.state.listingType],
 596       };
 597       WebSocketService.Instance.getComments(getCommentsForm);
 598     }
 599   }
 600
 601   parseMessage(msg: WebSocketJsonResponse) {
 602     console.log(msg);
 603     let res = wsJsonToRes(msg);
 604     if (msg.error) {
 605       toast(i18n.t(msg.error), 'danger');
 606       return;
 607     } else if (msg.reconnect) {
 608       this.fetchData();
 609     } else if (res.op == UserOperation.GetFollowedCommunities) {
 610       let data = res.data as GetFollowedCommunitiesResponse;
 611       this.state.subscribedCommunities = data.communities;
 612       this.setState(this.state);
 613     } else if (res.op == UserOperation.ListCommunities) {
 614       let data = res.data as ListCommunitiesResponse;
 615       this.state.trendingCommunities = data.communities;
 616       this.setState(this.state);
 617     } else if (res.op == UserOperation.GetSite) {
 618       let data = res.data as GetSiteResponse;
 619
 620       // This means it hasn't been set up yet
 621       if (!data.site) {
 622         this.context.router.history.push('/setup');
 623       }
 624       this.state.siteRes.admins = data.admins;
 625       this.state.siteRes.site = data.site;
 626       this.state.siteRes.banned = data.banned;
 627       this.state.siteRes.online = data.online;
 628       this.setState(this.state);
 629       document.title = `${this.state.siteRes.site.name}`;
 630     } else if (res.op == UserOperation.EditSite) {
 631       let data = res.data as SiteResponse;
 632       this.state.siteRes.site = data.site;
 633       this.state.showEditSite = false;
 634       this.setState(this.state);
 635       toast(i18n.t('site_saved'));
 636     } else if (res.op == UserOperation.GetPosts) {
 637       let data = res.data as GetPostsResponse;
 638       this.state.posts = data.posts;
 639       this.state.loading = false;
 640       this.setState(this.state);
 641       setupTippy();
 642     } else if (res.op == UserOperation.CreatePost) {
 643       let data = res.data as PostResponse;
 644
 645       // If you're on subscribed, only push it if you're subscribed.
 646       if (this.state.listingType == ListingType.Subscribed) {
 647         if (
 648           this.state.subscribedCommunities
 649             .map(c => c.community_id)
 650             .includes(data.post.community_id)
 651         ) {
 652           this.state.posts.unshift(data.post);
 653         }
 654       } else {
 655         // NSFW posts
 656         let nsfw = data.post.nsfw || data.post.community_nsfw;
 657
 658         // Don't push the post if its nsfw, and don't have that setting on
 659         if (
 660           !nsfw ||
 661           (nsfw &&
 662             UserService.Instance.user &&
 663             UserService.Instance.user.show_nsfw)
 664         ) {
 665           this.state.posts.unshift(data.post);
 666         }
 667       }
 668       this.setState(this.state);
 669     } else if (res.op == UserOperation.EditPost) {
 670       let data = res.data as PostResponse;
 671       editPostFindRes(data, this.state.posts);
 672       this.setState(this.state);
 673     } else if (res.op == UserOperation.CreatePostLike) {
 674       let data = res.data as PostResponse;
 675       createPostLikeFindRes(data, this.state.posts);
 676       this.setState(this.state);
 677     } else if (res.op == UserOperation.AddAdmin) {
 678       let data = res.data as AddAdminResponse;
 679       this.state.siteRes.admins = data.admins;
 680       this.setState(this.state);
 681     } else if (res.op == UserOperation.BanUser) {
 682       let data = res.data as BanUserResponse;
 683       let found = this.state.siteRes.banned.find(u => (u.id = data.user.id));
 684
 685       // Remove the banned if its found in the list, and the action is an unban
 686       if (found && !data.banned) {
 687         this.state.siteRes.banned = this.state.siteRes.banned.filter(
 688           i => i.id !== data.user.id
 689         );
 690       } else {
 691         this.state.siteRes.banned.push(data.user);
 692       }
 693
 694       this.state.posts
 695         .filter(p => p.creator_id == data.user.id)
 696         .forEach(p => (p.banned = data.banned));
 697
 698       this.setState(this.state);
 699     } else if (res.op == UserOperation.GetComments) {
 700       let data = res.data as GetCommentsResponse;
 701       this.state.comments = data.comments;
 702       this.state.loading = false;
 703       this.setState(this.state);
 704     } else if (res.op == UserOperation.EditComment) {
 705       let data = res.data as CommentResponse;
 706       editCommentRes(data, this.state.comments);
 707       this.setState(this.state);
 708     } else if (res.op == UserOperation.CreateComment) {
 709       let data = res.data as CommentResponse;
 710
 711       // Necessary since it might be a user reply
 712       if (data.recipient_ids.length == 0) {
 713         // If you're on subscribed, only push it if you're subscribed.
 714         if (this.state.listingType == ListingType.Subscribed) {
 715           if (
 716             this.state.subscribedCommunities
 717               .map(c => c.community_id)
 718               .includes(data.comment.community_id)
 719           ) {
 720             this.state.comments.unshift(data.comment);
 721           }
 722         } else {
 723           this.state.comments.unshift(data.comment);
 724         }
 725         this.setState(this.state);
 726       }
 727     } else if (res.op == UserOperation.SaveComment) {
 728       let data = res.data as CommentResponse;
 729       saveCommentRes(data, this.state.comments);
 730       this.setState(this.state);
 731     } else if (res.op == UserOperation.CreateCommentLike) {
 732       let data = res.data as CommentResponse;
 733       createCommentLikeRes(data, this.state.comments);
 734       this.setState(this.state);
 735     }
 736   }
 737 }