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