ui/src/components/main.tsx

   1 import { Component, linkEvent } from 'inferno';
   2 import { Helmet } from 'inferno-helmet';
   3 import { Link } from 'inferno-router';
   4 import { Subscription } from 'rxjs';
   5 import { retryWhen, delay, take } from 'rxjs/operators';
   6 import {
   7   UserOperation,
   8   CommunityUser,
   9   GetFollowedCommunitiesResponse,
  10   ListCommunitiesForm,
  11   ListCommunitiesResponse,
  12   Community,
  13   SortType,
  14   GetSiteResponse,
  15   ListingType,
  16   DataType,
  17   SiteResponse,
  18   GetPostsResponse,
  19   PostResponse,
  20   Post,
  21   GetPostsForm,
  22   Comment,
  23   GetCommentsForm,
  24   GetCommentsResponse,
  25   CommentResponse,
  26   AddAdminResponse,
  27   BanUserResponse,
  28   WebSocketJsonResponse,
  29 } from '../interfaces';
  30 import { WebSocketService, UserService } from '../services';
  31 import { PostListings } from './post-listings';
  32 import { CommentNodes } from './comment-nodes';
  33 import { SortSelect } from './sort-select';
  34 import { ListingTypeSelect } from './listing-type-select';
  35 import { DataTypeSelect } from './data-type-select';
  36 import { SiteForm } from './site-form';
  37 import { UserListing } from './user-listing';
  38 import { CommunityLink } from './community-link';
  39 import {
  40   wsJsonToRes,
  41   repoUrl,
  42   mdToHtml,
  43   fetchLimit,
  44   toast,
  45   getListingTypeFromProps,
  46   getPageFromProps,
  47   getSortTypeFromProps,
  48   getDataTypeFromProps,
  49   editCommentRes,
  50   saveCommentRes,
  51   createCommentLikeRes,
  52   createPostLikeFindRes,
  53   editPostFindRes,
  54   commentsToFlatNodes,
  55   setupTippy,
  56 } from '../utils';
  57 import { i18n } from '../i18next';
  58 import { T } from 'inferno-i18next';
  59
  60 interface MainState {
  61   subscribedCommunities: Array<CommunityUser>;
  62   trendingCommunities: Array<Community>;
  63   siteRes: GetSiteResponse;
  64   showEditSite: boolean;
  65   loading: boolean;
  66   posts: Array<Post>;
  67   comments: Array<Comment>;
  68   listingType: ListingType;
  69   dataType: DataType;
  70   sort: SortType;
  71   page: number;
  72 }
  73
  74 interface MainProps {
  75   listingType: ListingType;
  76   dataType: DataType;
  77   sort: SortType;
  78   page: number;
  79 }
  80
  81 interface UrlParams {
  82   listingType?: string;
  83   dataType?: string;
  84   sort?: string;
  85   page?: number;
  86 }
  87
  88 export class Main extends Component<any, MainState> {
  89   private subscription: Subscription;
  90   private emptyState: MainState = {
  91     subscribedCommunities: [],
  92     trendingCommunities: [],
  93     siteRes: {
  94       site: {
  95         id: null,
  96         name: null,
  97         creator_id: null,
  98         creator_name: null,
  99         published: null,
 100         number_of_users: null,
 101         number_of_posts: null,
 102         number_of_comments: null,
 103         number_of_communities: null,
 104         enable_downvotes: null,
 105         open_registration: null,
 106         enable_nsfw: null,
 107       },
 108       admins: [],
 109       banned: [],
 110       online: null,
 111       version: null,
 112     },
 113     showEditSite: false,
 114     loading: true,
 115     posts: [],
 116     comments: [],
 117     listingType: getListingTypeFromProps(this.props),
 118     dataType: getDataTypeFromProps(this.props),
 119     sort: getSortTypeFromProps(this.props),
 120     page: getPageFromProps(this.props),
 121   };
 122
 123   constructor(props: any, context: any) {
 124     super(props, context);
 125
 126     this.state = this.emptyState;
 127     this.handleEditCancel = this.handleEditCancel.bind(this);
 128     this.handleSortChange = this.handleSortChange.bind(this);
 129     this.handleListingTypeChange = this.handleListingTypeChange.bind(this);
 130     this.handleDataTypeChange = this.handleDataTypeChange.bind(this);
 131
 132     this.subscription = WebSocketService.Instance.subject
 133       .pipe(retryWhen(errors => errors.pipe(delay(3000), take(10))))
 134       .subscribe(
 135         msg => this.parseMessage(msg),
 136         err => console.error(err),
 137         () => console.log('complete')
 138       );
 139
 140     WebSocketService.Instance.getSite();
 141
 142     if (UserService.Instance.user) {
 143       WebSocketService.Instance.getFollowedCommunities();
 144     }
 145
 146     let listCommunitiesForm: ListCommunitiesForm = {
 147       sort: SortType[SortType.Hot],
 148       limit: 6,
 149     };
 150
 151     WebSocketService.Instance.listCommunities(listCommunitiesForm);
 152
 153     this.fetchData();
 154   }
 155
 156   componentWillUnmount() {
 157     this.subscription.unsubscribe();
 158   }
 159
 160   static getDerivedStateFromProps(props: any): MainProps {
 161     return {
 162       listingType: getListingTypeFromProps(props),
 163       dataType: getDataTypeFromProps(props),
 164       sort: getSortTypeFromProps(props),
 165       page: getPageFromProps(props),
 166     };
 167   }
 168
 169   componentDidUpdate(_: any, lastState: MainState) {
 170     if (
 171       lastState.listingType !== this.state.listingType ||
 172       lastState.dataType !== this.state.dataType ||
 173       lastState.sort !== this.state.sort ||
 174       lastState.page !== this.state.page
 175     ) {
 176       this.setState({ loading: true });
 177       this.fetchData();
 178     }
 179   }
 180
 181   get documentTitle(): string {
 182     if (this.state.siteRes.site.name) {
 183       return `${this.state.siteRes.site.name}`;
 184     } else {
 185       return 'Lemmy';
 186     }
 187   }
 188
 189   render() {
 190     return (
 191       <div class="container">
 192         <Helmet title={this.documentTitle} />
 193         <div class="row">
 194           <main role="main" class="col-12 col-md-8">
 195             {this.posts()}
 196           </main>
 197           <aside class="col-12 col-md-4">{this.mySidebar()}</aside>
 198         </div>
 199       </div>
 200     );
 201   }
 202
 203   mySidebar() {
 204     return (
 205       <div>
 206         {!this.state.loading && (
 207           <div>
 208             <div class="card bg-transparent border-secondary mb-3">
 209               <div class="card-header bg-transparent border-secondary">
 210                 {this.siteName()}
 211                 {this.adminButtons()}
 212               </div>
 213               <div class="card-body">
 214                 {this.trendingCommunities()}
 215                 {this.createCommunityButton()}
 216                 {/*
 217                 {this.subscribedCommunities()}
 218                 */}
 219               </div>
 220             </div>
 221
 222             <div class="card bg-transparent border-secondary mb-3">
 223               <div class="card-body">{this.sidebar()}</div>
 224             </div>
 225
 226             <div class="card bg-transparent border-secondary">
 227               <div class="card-body">{this.landing()}</div>
 228             </div>
 229           </div>
 230         )}
 231       </div>
 232     );
 233   }
 234
 235   createCommunityButton() {
 236     return (
 237       <Link class="btn btn-secondary btn-block" to="/create_community">
 238         {i18n.t('create_a_community')}
 239       </Link>
 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   subscribedCommunities() {
 266     return (
 267       UserService.Instance.user &&
 268       this.state.subscribedCommunities.length > 0 && (
 269         <div>
 270           <h5>
 271             <T i18nKey="subscribed_to_communities">
 272               #
 273               <Link class="text-body" to="/communities">
 274                 #
 275               </Link>
 276             </T>
 277           </h5>
 278           <ul class="list-inline">
 279             {this.state.subscribedCommunities.map(community => (
 280               <li class="list-inline-item">
 281                 <CommunityLink
 282                   community={{
 283                     name: community.community_name,
 284                     id: community.community_id,
 285                     local: community.community_local,
 286                     actor_id: community.community_actor_id,
 287                   }}
 288                 />
 289               </li>
 290             ))}
 291           </ul>
 292         </div>
 293       )
 294     );
 295   }
 296
 297   sidebar() {
 298     return (
 299       <div>
 300         {!this.state.showEditSite ? (
 301           this.siteInfo()
 302         ) : (
 303           <SiteForm
 304             site={this.state.siteRes.site}
 305             onCancel={this.handleEditCancel}
 306           />
 307         )}
 308       </div>
 309     );
 310   }
 311
 312   updateUrl(paramUpdates: UrlParams) {
 313     const listingTypeStr =
 314       paramUpdates.listingType ||
 315       ListingType[this.state.listingType].toLowerCase();
 316     const dataTypeStr =
 317       paramUpdates.dataType || DataType[this.state.dataType].toLowerCase();
 318     const sortStr =
 319       paramUpdates.sort || SortType[this.state.sort].toLowerCase();
 320     const page = paramUpdates.page || this.state.page;
 321     this.props.history.push(
 322       `/home/data_type/${dataTypeStr}/listing_type/${listingTypeStr}/sort/${sortStr}/page/${page}`
 323     );
 324   }
 325
 326   siteInfo() {
 327     return (
 328       <div>
 329         {this.state.siteRes.site.description && this.siteDescription()}
 330         {this.badges()}
 331         {this.admins()}
 332       </div>
 333     );
 334   }
 335
 336   siteName() {
 337     return <h5 class="mb-0">{`${this.state.siteRes.site.name}`}</h5>;
 338   }
 339
 340   admins() {
 341     return (
 342       <ul class="mt-1 list-inline small mb-0">
 343         <li class="list-inline-item">{i18n.t('admins')}:</li>
 344         {this.state.siteRes.admins.map(admin => (
 345           <li class="list-inline-item">
 346             <UserListing
 347               user={{
 348                 name: admin.name,
 349                 avatar: admin.avatar,
 350                 local: admin.local,
 351                 actor_id: admin.actor_id,
 352                 id: admin.id,
 353               }}
 354             />
 355           </li>
 356         ))}
 357       </ul>
 358     );
 359   }
 360
 361   badges() {
 362     return (
 363       <ul class="my-2 list-inline">
 364         {/*
 365               <li className="list-inline-item badge badge-light">
 366                 {i18n.t('number_online', { count: this.state.siteRes.online })}
 367               </li>
 368               */}
 369         <li className="list-inline-item badge badge-light">
 370           {i18n.t('number_of_users', {
 371             count: this.state.siteRes.site.number_of_users,
 372           })}
 373         </li>
 374         <li className="list-inline-item badge badge-light">
 375           {i18n.t('number_of_communities', {
 376             count: this.state.siteRes.site.number_of_communities,
 377           })}
 378         </li>
 379         <li className="list-inline-item badge badge-light">
 380           {i18n.t('number_of_posts', {
 381             count: this.state.siteRes.site.number_of_posts,
 382           })}
 383         </li>
 384         <li className="list-inline-item badge badge-light">
 385           {i18n.t('number_of_comments', {
 386             count: this.state.siteRes.site.number_of_comments,
 387           })}
 388         </li>
 389         <li className="list-inline-item">
 390           <Link className="badge badge-light" to="/modlog">
 391             {i18n.t('modlog')}
 392           </Link>
 393         </li>
 394       </ul>
 395     );
 396   }
 397
 398   adminButtons() {
 399     return (
 400       this.canAdmin && (
 401         <ul class="list-inline mb-1 text-muted font-weight-bold">
 402           <li className="list-inline-item-action">
 403             <span
 404               class="pointer"
 405               onClick={linkEvent(this, this.handleEditClick)}
 406               data-tippy-content={i18n.t('edit')}
 407             >
 408               <svg class="icon icon-inline">
 409                 <use xlinkHref="#icon-edit"></use>
 410               </svg>
 411             </span>
 412           </li>
 413         </ul>
 414       )
 415     );
 416   }
 417
 418   siteDescription() {
 419     return (
 420       <div
 421         className="md-div"
 422         dangerouslySetInnerHTML={mdToHtml(this.state.siteRes.site.description)}
 423       />
 424     );
 425   }
 426
 427   landing() {
 428     return (
 429       <>
 430         <h5>
 431           {i18n.t('powered_by')}
 432           <svg class="icon mx-2">
 433             <use xlinkHref="#icon-mouse">#</use>
 434           </svg>
 435           <a href={repoUrl}>
 436             Lemmy<sup>beta</sup>
 437           </a>
 438         </h5>
 439         <p class="mb-0">
 440           <T i18nKey="landing_0">
 441             #
 442             <a href="https://en.wikipedia.org/wiki/Social_network_aggregation">
 443               #
 444             </a>
 445             <a href="https://en.wikipedia.org/wiki/Fediverse">#</a>
 446             <br class="big"></br>
 447             <code>#</code>
 448             <br></br>
 449             <b>#</b>
 450             <br class="big"></br>
 451             <a href={repoUrl}>#</a>
 452             <br class="big"></br>
 453             <a href="https://www.rust-lang.org">#</a>
 454             <a href="https://actix.rs/">#</a>
 455             <a href="https://infernojs.org">#</a>
 456             <a href="https://www.typescriptlang.org/">#</a>
 457             <br class="big"></br>
 458             <a href="https://github.com/LemmyNet/lemmy/graphs/contributors?type=a">
 459               #
 460             </a>
 461           </T>
 462         </p>
 463       </>
 464     );
 465   }
 466
 467   posts() {
 468     return (
 469       <div class="main-content-wrapper">
 470         {this.state.loading ? (
 471           <h5>
 472             <svg class="icon icon-spinner spin">
 473               <use xlinkHref="#icon-spinner"></use>
 474             </svg>
 475           </h5>
 476         ) : (
 477           <div>
 478             {this.selects()}
 479             {this.listings()}
 480             {this.paginator()}
 481           </div>
 482         )}
 483       </div>
 484     );
 485   }
 486
 487   listings() {
 488     return this.state.dataType == DataType.Post ? (
 489       <PostListings
 490         posts={this.state.posts}
 491         showCommunity
 492         removeDuplicates
 493         sort={this.state.sort}
 494         enableDownvotes={this.state.siteRes.site.enable_downvotes}
 495         enableNsfw={this.state.siteRes.site.enable_nsfw}
 496       />
 497     ) : (
 498       <CommentNodes
 499         nodes={commentsToFlatNodes(this.state.comments)}
 500         noIndent
 501         showCommunity
 502         sortType={this.state.sort}
 503         showContext
 504         enableDownvotes={this.state.siteRes.site.enable_downvotes}
 505       />
 506     );
 507   }
 508
 509   selects() {
 510     return (
 511       <div className="mb-3">
 512         <span class="mr-3">
 513           <DataTypeSelect
 514             type_={this.state.dataType}
 515             onChange={this.handleDataTypeChange}
 516           />
 517         </span>
 518         <span class="mr-3">
 519           <ListingTypeSelect
 520             type_={this.state.listingType}
 521             onChange={this.handleListingTypeChange}
 522           />
 523         </span>
 524         <span class="mr-2">
 525           <SortSelect sort={this.state.sort} onChange={this.handleSortChange} />
 526         </span>
 527         {this.state.listingType == ListingType.All && (
 528           <a
 529             href={`/feeds/all.xml?sort=${SortType[this.state.sort]}`}
 530             target="_blank"
 531             rel="noopener"
 532             title="RSS"
 533           >
 534             <svg class="icon text-muted small">
 535               <use xlinkHref="#icon-rss">#</use>
 536             </svg>
 537           </a>
 538         )}
 539         {UserService.Instance.user &&
 540           this.state.listingType == ListingType.Subscribed && (
 541             <a
 542               href={`/feeds/front/${UserService.Instance.auth}.xml?sort=${
 543                 SortType[this.state.sort]
 544               }`}
 545               target="_blank"
 546               title="RSS"
 547               rel="noopener"
 548             >
 549               <svg class="icon text-muted small">
 550                 <use xlinkHref="#icon-rss">#</use>
 551               </svg>
 552             </a>
 553           )}
 554       </div>
 555     );
 556   }
 557
 558   paginator() {
 559     return (
 560       <div class="my-2">
 561         {this.state.page > 1 && (
 562           <button
 563             class="btn btn-secondary mr-1"
 564             onClick={linkEvent(this, this.prevPage)}
 565           >
 566             {i18n.t('prev')}
 567           </button>
 568         )}
 569         {this.state.posts.length > 0 && (
 570           <button
 571             class="btn btn-secondary"
 572             onClick={linkEvent(this, this.nextPage)}
 573           >
 574             {i18n.t('next')}
 575           </button>
 576         )}
 577       </div>
 578     );
 579   }
 580
 581   get canAdmin(): boolean {
 582     return (
 583       UserService.Instance.user &&
 584       this.state.siteRes.admins
 585         .map(a => a.id)
 586         .includes(UserService.Instance.user.id)
 587     );
 588   }
 589
 590   handleEditClick(i: Main) {
 591     i.state.showEditSite = true;
 592     i.setState(i.state);
 593   }
 594
 595   handleEditCancel() {
 596     this.state.showEditSite = false;
 597     this.setState(this.state);
 598   }
 599
 600   nextPage(i: Main) {
 601     i.updateUrl({ page: i.state.page + 1 });
 602     window.scrollTo(0, 0);
 603   }
 604
 605   prevPage(i: Main) {
 606     i.updateUrl({ page: i.state.page - 1 });
 607     window.scrollTo(0, 0);
 608   }
 609
 610   handleSortChange(val: SortType) {
 611     this.updateUrl({ sort: SortType[val].toLowerCase(), page: 1 });
 612     window.scrollTo(0, 0);
 613   }
 614
 615   handleListingTypeChange(val: ListingType) {
 616     this.updateUrl({ listingType: ListingType[val].toLowerCase(), page: 1 });
 617     window.scrollTo(0, 0);
 618   }
 619
 620   handleDataTypeChange(val: DataType) {
 621     this.updateUrl({ dataType: DataType[val].toLowerCase(), page: 1 });
 622     window.scrollTo(0, 0);
 623   }
 624
 625   fetchData() {
 626     if (this.state.dataType == DataType.Post) {
 627       let getPostsForm: GetPostsForm = {
 628         page: this.state.page,
 629         limit: fetchLimit,
 630         sort: SortType[this.state.sort],
 631         type_: ListingType[this.state.listingType],
 632       };
 633       WebSocketService.Instance.getPosts(getPostsForm);
 634     } else {
 635       let getCommentsForm: GetCommentsForm = {
 636         page: this.state.page,
 637         limit: fetchLimit,
 638         sort: SortType[this.state.sort],
 639         type_: ListingType[this.state.listingType],
 640       };
 641       WebSocketService.Instance.getComments(getCommentsForm);
 642     }
 643   }
 644
 645   parseMessage(msg: WebSocketJsonResponse) {
 646     console.log(msg);
 647     let res = wsJsonToRes(msg);
 648     if (msg.error) {
 649       toast(i18n.t(msg.error), 'danger');
 650       return;
 651     } else if (msg.reconnect) {
 652       this.fetchData();
 653     } else if (res.op == UserOperation.GetFollowedCommunities) {
 654       let data = res.data as GetFollowedCommunitiesResponse;
 655       this.state.subscribedCommunities = data.communities;
 656       this.setState(this.state);
 657     } else if (res.op == UserOperation.ListCommunities) {
 658       let data = res.data as ListCommunitiesResponse;
 659       this.state.trendingCommunities = data.communities;
 660       this.setState(this.state);
 661     } else if (res.op == UserOperation.GetSite) {
 662       let data = res.data as GetSiteResponse;
 663
 664       // This means it hasn't been set up yet
 665       if (!data.site) {
 666         this.context.router.history.push('/setup');
 667       }
 668       this.state.siteRes.admins = data.admins;
 669       this.state.siteRes.site = data.site;
 670       this.state.siteRes.banned = data.banned;
 671       this.state.siteRes.online = data.online;
 672       this.setState(this.state);
 673     } else if (res.op == UserOperation.EditSite) {
 674       let data = res.data as SiteResponse;
 675       this.state.siteRes.site = data.site;
 676       this.state.showEditSite = false;
 677       this.setState(this.state);
 678       toast(i18n.t('site_saved'));
 679     } else if (res.op == UserOperation.GetPosts) {
 680       let data = res.data as GetPostsResponse;
 681       this.state.posts = data.posts;
 682       this.state.loading = false;
 683       this.setState(this.state);
 684       setupTippy();
 685     } else if (res.op == UserOperation.CreatePost) {
 686       let data = res.data as PostResponse;
 687
 688       // If you're on subscribed, only push it if you're subscribed.
 689       if (this.state.listingType == ListingType.Subscribed) {
 690         if (
 691           this.state.subscribedCommunities
 692             .map(c => c.community_id)
 693             .includes(data.post.community_id)
 694         ) {
 695           this.state.posts.unshift(data.post);
 696         }
 697       } else {
 698         // NSFW posts
 699         let nsfw = data.post.nsfw || data.post.community_nsfw;
 700
 701         // Don't push the post if its nsfw, and don't have that setting on
 702         if (
 703           !nsfw ||
 704           (nsfw &&
 705             UserService.Instance.user &&
 706             UserService.Instance.user.show_nsfw)
 707         ) {
 708           this.state.posts.unshift(data.post);
 709         }
 710       }
 711       this.setState(this.state);
 712     } else if (res.op == UserOperation.EditPost) {
 713       let data = res.data as PostResponse;
 714       editPostFindRes(data, this.state.posts);
 715       this.setState(this.state);
 716     } else if (res.op == UserOperation.CreatePostLike) {
 717       let data = res.data as PostResponse;
 718       createPostLikeFindRes(data, this.state.posts);
 719       this.setState(this.state);
 720     } else if (res.op == UserOperation.AddAdmin) {
 721       let data = res.data as AddAdminResponse;
 722       this.state.siteRes.admins = data.admins;
 723       this.setState(this.state);
 724     } else if (res.op == UserOperation.BanUser) {
 725       let data = res.data as BanUserResponse;
 726       let found = this.state.siteRes.banned.find(u => (u.id = data.user.id));
 727
 728       // Remove the banned if its found in the list, and the action is an unban
 729       if (found && !data.banned) {
 730         this.state.siteRes.banned = this.state.siteRes.banned.filter(
 731           i => i.id !== data.user.id
 732         );
 733       } else {
 734         this.state.siteRes.banned.push(data.user);
 735       }
 736
 737       this.state.posts
 738         .filter(p => p.creator_id == data.user.id)
 739         .forEach(p => (p.banned = data.banned));
 740
 741       this.setState(this.state);
 742     } else if (res.op == UserOperation.GetComments) {
 743       let data = res.data as GetCommentsResponse;
 744       this.state.comments = data.comments;
 745       this.state.loading = false;
 746       this.setState(this.state);
 747     } else if (
 748       res.op == UserOperation.EditComment ||
 749       res.op == UserOperation.DeleteComment ||
 750       res.op == UserOperation.RemoveComment
 751     ) {
 752       let data = res.data as CommentResponse;
 753       editCommentRes(data, this.state.comments);
 754       this.setState(this.state);
 755     } else if (res.op == UserOperation.CreateComment) {
 756       let data = res.data as CommentResponse;
 757
 758       // Necessary since it might be a user reply
 759       if (data.recipient_ids.length == 0) {
 760         // If you're on subscribed, only push it if you're subscribed.
 761         if (this.state.listingType == ListingType.Subscribed) {
 762           if (
 763             this.state.subscribedCommunities
 764               .map(c => c.community_id)
 765               .includes(data.comment.community_id)
 766           ) {
 767             this.state.comments.unshift(data.comment);
 768           }
 769         } else {
 770           this.state.comments.unshift(data.comment);
 771         }
 772         this.setState(this.state);
 773       }
 774     } else if (res.op == UserOperation.SaveComment) {
 775       let data = res.data as CommentResponse;
 776       saveCommentRes(data, this.state.comments);
 777       this.setState(this.state);
 778     } else if (res.op == UserOperation.CreateCommentLike) {
 779       let data = res.data as CommentResponse;
 780       createCommentLikeRes(data, this.state.comments);
 781       this.setState(this.state);
 782     }
 783   }
 784 }