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></br>
 377               <code>#</code>
 378               <br></br>
 379               <b>#</b>
 380               <br></br>
 381               <a href={repoUrl}>#</a>
 382               <br></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             </T>
 388           </p>
 389         </div>
 390       </div>
 391     );
 392   }
 393
 394   posts() {
 395     return (
 396       <div class="main-content-wrapper">
 397         {this.selects()}
 398         {this.state.loading ? (
 399           <h5>
 400             <svg class="icon icon-spinner spin">
 401               <use xlinkHref="#icon-spinner"></use>
 402             </svg>
 403           </h5>
 404         ) : (
 405           <div>
 406             {this.listings()}
 407             {this.paginator()}
 408           </div>
 409         )}
 410       </div>
 411     );
 412   }
 413
 414   listings() {
 415     return this.state.dataType == DataType.Post ? (
 416       <PostListings
 417         posts={this.state.posts}
 418         showCommunity
 419         removeDuplicates
 420         sort={this.state.sort}
 421         enableDownvotes={this.state.siteRes.site.enable_downvotes}
 422         enableNsfw={this.state.siteRes.site.enable_nsfw}
 423       />
 424     ) : (
 425       <CommentNodes
 426         nodes={commentsToFlatNodes(this.state.comments)}
 427         noIndent
 428         showCommunity
 429         sortType={this.state.sort}
 430         showContext
 431         enableDownvotes={this.state.siteRes.site.enable_downvotes}
 432       />
 433     );
 434   }
 435
 436   selects() {
 437     return (
 438       <div className="mb-3">
 439         <span class="mr-3">
 440           <DataTypeSelect
 441             type_={this.state.dataType}
 442             onChange={this.handleDataTypeChange}
 443           />
 444         </span>
 445         <span class="mr-3">
 446           <ListingTypeSelect
 447             type_={this.state.listingType}
 448             onChange={this.handleListingTypeChange}
 449           />
 450         </span>
 451         <span class="mr-2">
 452           <SortSelect sort={this.state.sort} onChange={this.handleSortChange} />
 453         </span>
 454         {this.state.listingType == ListingType.All && (
 455           <a
 456             href={`/feeds/all.xml?sort=${SortType[this.state.sort]}`}
 457             target="_blank"
 458             rel="noopener"
 459             title="RSS"
 460           >
 461             <svg class="icon text-muted small">
 462               <use xlinkHref="#icon-rss">#</use>
 463             </svg>
 464           </a>
 465         )}
 466         {UserService.Instance.user &&
 467           this.state.listingType == ListingType.Subscribed && (
 468             <a
 469               href={`/feeds/front/${UserService.Instance.auth}.xml?sort=${
 470                 SortType[this.state.sort]
 471               }`}
 472               target="_blank"
 473               title="RSS"
 474               rel="noopener"
 475             >
 476               <svg class="icon text-muted small">
 477                 <use xlinkHref="#icon-rss">#</use>
 478               </svg>
 479             </a>
 480           )}
 481       </div>
 482     );
 483   }
 484
 485   paginator() {
 486     return (
 487       <div class="my-2">
 488         {this.state.page > 1 && (
 489           <button
 490             class="btn btn-sm btn-secondary mr-1"
 491             onClick={linkEvent(this, this.prevPage)}
 492           >
 493             {i18n.t('prev')}
 494           </button>
 495         )}
 496         {this.state.posts.length == fetchLimit && (
 497           <button
 498             class="btn btn-sm btn-secondary"
 499             onClick={linkEvent(this, this.nextPage)}
 500           >
 501             {i18n.t('next')}
 502           </button>
 503         )}
 504       </div>
 505     );
 506   }
 507
 508   get canAdmin(): boolean {
 509     return (
 510       UserService.Instance.user &&
 511       this.state.siteRes.admins
 512         .map(a => a.id)
 513         .includes(UserService.Instance.user.id)
 514     );
 515   }
 516
 517   handleEditClick(i: Main) {
 518     i.state.showEditSite = true;
 519     i.setState(i.state);
 520   }
 521
 522   handleEditCancel() {
 523     this.state.showEditSite = false;
 524     this.setState(this.state);
 525   }
 526
 527   nextPage(i: Main) {
 528     i.state.page++;
 529     i.state.loading = true;
 530     i.setState(i.state);
 531     i.updateUrl();
 532     i.fetchData();
 533     window.scrollTo(0, 0);
 534   }
 535
 536   prevPage(i: Main) {
 537     i.state.page--;
 538     i.state.loading = true;
 539     i.setState(i.state);
 540     i.updateUrl();
 541     i.fetchData();
 542     window.scrollTo(0, 0);
 543   }
 544
 545   handleSortChange(val: SortType) {
 546     this.state.sort = val;
 547     this.state.page = 1;
 548     this.state.loading = true;
 549     this.setState(this.state);
 550     this.updateUrl();
 551     this.fetchData();
 552     window.scrollTo(0, 0);
 553   }
 554
 555   handleListingTypeChange(val: ListingType) {
 556     this.state.listingType = val;
 557     this.state.page = 1;
 558     this.state.loading = true;
 559     this.setState(this.state);
 560     this.updateUrl();
 561     this.fetchData();
 562     window.scrollTo(0, 0);
 563   }
 564
 565   handleDataTypeChange(val: DataType) {
 566     this.state.dataType = val;
 567     this.state.page = 1;
 568     this.state.loading = true;
 569     this.setState(this.state);
 570     this.updateUrl();
 571     this.fetchData();
 572     window.scrollTo(0, 0);
 573   }
 574
 575   fetchData() {
 576     if (this.state.dataType == DataType.Post) {
 577       let getPostsForm: GetPostsForm = {
 578         page: this.state.page,
 579         limit: fetchLimit,
 580         sort: SortType[this.state.sort],
 581         type_: ListingType[this.state.listingType],
 582       };
 583       WebSocketService.Instance.getPosts(getPostsForm);
 584     } else {
 585       let getCommentsForm: GetCommentsForm = {
 586         page: this.state.page,
 587         limit: fetchLimit,
 588         sort: SortType[this.state.sort],
 589         type_: ListingType[this.state.listingType],
 590       };
 591       WebSocketService.Instance.getComments(getCommentsForm);
 592     }
 593   }
 594
 595   parseMessage(msg: WebSocketJsonResponse) {
 596     console.log(msg);
 597     let res = wsJsonToRes(msg);
 598     if (msg.error) {
 599       toast(i18n.t(msg.error), 'danger');
 600       return;
 601     } else if (msg.reconnect) {
 602       this.fetchData();
 603     } else if (res.op == UserOperation.GetFollowedCommunities) {
 604       let data = res.data as GetFollowedCommunitiesResponse;
 605       this.state.subscribedCommunities = data.communities;
 606       this.setState(this.state);
 607     } else if (res.op == UserOperation.ListCommunities) {
 608       let data = res.data as ListCommunitiesResponse;
 609       this.state.trendingCommunities = data.communities;
 610       this.setState(this.state);
 611     } else if (res.op == UserOperation.GetSite) {
 612       let data = res.data as GetSiteResponse;
 613
 614       // This means it hasn't been set up yet
 615       if (!data.site) {
 616         this.context.router.history.push('/setup');
 617       }
 618       this.state.siteRes.admins = data.admins;
 619       this.state.siteRes.site = data.site;
 620       this.state.siteRes.banned = data.banned;
 621       this.state.siteRes.online = data.online;
 622       this.setState(this.state);
 623       document.title = `${this.state.siteRes.site.name}`;
 624     } else if (res.op == UserOperation.EditSite) {
 625       let data = res.data as SiteResponse;
 626       this.state.siteRes.site = data.site;
 627       this.state.showEditSite = false;
 628       this.setState(this.state);
 629       toast(i18n.t('site_saved'));
 630     } else if (res.op == UserOperation.GetPosts) {
 631       let data = res.data as GetPostsResponse;
 632       this.state.posts = data.posts;
 633       this.state.loading = false;
 634       this.setState(this.state);
 635       setupTippy();
 636     } else if (res.op == UserOperation.CreatePost) {
 637       let data = res.data as PostResponse;
 638
 639       // If you're on subscribed, only push it if you're subscribed.
 640       if (this.state.listingType == ListingType.Subscribed) {
 641         if (
 642           this.state.subscribedCommunities
 643             .map(c => c.community_id)
 644             .includes(data.post.community_id)
 645         ) {
 646           this.state.posts.unshift(data.post);
 647         }
 648       } else {
 649         // NSFW posts
 650         let nsfw = data.post.nsfw || data.post.community_nsfw;
 651
 652         // Don't push the post if its nsfw, and don't have that setting on
 653         if (
 654           !nsfw ||
 655           (nsfw &&
 656             UserService.Instance.user &&
 657             UserService.Instance.user.show_nsfw)
 658         ) {
 659           this.state.posts.unshift(data.post);
 660         }
 661       }
 662       this.setState(this.state);
 663     } else if (res.op == UserOperation.EditPost) {
 664       let data = res.data as PostResponse;
 665       editPostFindRes(data, this.state.posts);
 666       this.setState(this.state);
 667     } else if (res.op == UserOperation.CreatePostLike) {
 668       let data = res.data as PostResponse;
 669       createPostLikeFindRes(data, this.state.posts);
 670       this.setState(this.state);
 671     } else if (res.op == UserOperation.AddAdmin) {
 672       let data = res.data as AddAdminResponse;
 673       this.state.siteRes.admins = data.admins;
 674       this.setState(this.state);
 675     } else if (res.op == UserOperation.BanUser) {
 676       let data = res.data as BanUserResponse;
 677       let found = this.state.siteRes.banned.find(u => (u.id = data.user.id));
 678
 679       // Remove the banned if its found in the list, and the action is an unban
 680       if (found && !data.banned) {
 681         this.state.siteRes.banned = this.state.siteRes.banned.filter(
 682           i => i.id !== data.user.id
 683         );
 684       } else {
 685         this.state.siteRes.banned.push(data.user);
 686       }
 687
 688       this.state.posts
 689         .filter(p => p.creator_id == data.user.id)
 690         .forEach(p => (p.banned = data.banned));
 691
 692       this.setState(this.state);
 693     } else if (res.op == UserOperation.GetComments) {
 694       let data = res.data as GetCommentsResponse;
 695       this.state.comments = data.comments;
 696       this.state.loading = false;
 697       this.setState(this.state);
 698     } else if (res.op == UserOperation.EditComment) {
 699       let data = res.data as CommentResponse;
 700       editCommentRes(data, this.state.comments);
 701       this.setState(this.state);
 702     } else if (res.op == UserOperation.CreateComment) {
 703       let data = res.data as CommentResponse;
 704
 705       // Necessary since it might be a user reply
 706       if (data.recipient_ids.length == 0) {
 707         // If you're on subscribed, only push it if you're subscribed.
 708         if (this.state.listingType == ListingType.Subscribed) {
 709           if (
 710             this.state.subscribedCommunities
 711               .map(c => c.community_id)
 712               .includes(data.comment.community_id)
 713           ) {
 714             this.state.comments.unshift(data.comment);
 715           }
 716         } else {
 717           this.state.comments.unshift(data.comment);
 718         }
 719         this.setState(this.state);
 720       }
 721     } else if (res.op == UserOperation.SaveComment) {
 722       let data = res.data as CommentResponse;
 723       saveCommentRes(data, this.state.comments);
 724       this.setState(this.state);
 725     } else if (res.op == UserOperation.CreateCommentLike) {
 726       let data = res.data as CommentResponse;
 727       createCommentLikeRes(data, this.state.comments);
 728       this.setState(this.state);
 729     }
 730   }
 731 }