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 {
  37   wsJsonToRes,
  38   repoUrl,
  39   mdToHtml,
  40   fetchLimit,
  41   pictshareAvatarThumbnail,
  42   showAvatars,
  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                             <Link to={`/c/${community.community_name}`}>
 195                               {community.community_name}
 196                             </Link>
 197                           </li>
 198                         ))}
 199                       </ul>
 200                     </div>
 201                   )}
 202                 <Link
 203                   class="btn btn-sm btn-secondary btn-block"
 204                   to="/create_community"
 205                 >
 206                   {i18n.t('create_a_community')}
 207                 </Link>
 208               </div>
 209             </div>
 210             {this.sidebar()}
 211             {this.landing()}
 212           </div>
 213         )}
 214       </div>
 215     );
 216   }
 217
 218   trendingCommunities() {
 219     return (
 220       <div>
 221         <h5>
 222           <T i18nKey="trending_communities">
 223             #
 224             <Link class="text-body" to="/communities">
 225               #
 226             </Link>
 227           </T>
 228         </h5>
 229         <ul class="list-inline">
 230           {this.state.trendingCommunities.map(community => (
 231             <li class="list-inline-item">
 232               <Link to={`/c/${community.name}`}>{community.name}</Link>
 233             </li>
 234           ))}
 235         </ul>
 236       </div>
 237     );
 238   }
 239
 240   sidebar() {
 241     return (
 242       <div>
 243         {!this.state.showEditSite ? (
 244           this.siteInfo()
 245         ) : (
 246           <SiteForm
 247             site={this.state.siteRes.site}
 248             onCancel={this.handleEditCancel}
 249           />
 250         )}
 251       </div>
 252     );
 253   }
 254
 255   updateUrl() {
 256     let listingTypeStr = ListingType[this.state.listingType].toLowerCase();
 257     let dataTypeStr = DataType[this.state.dataType].toLowerCase();
 258     let sortStr = SortType[this.state.sort].toLowerCase();
 259     this.props.history.push(
 260       `/home/data_type/${dataTypeStr}/listing_type/${listingTypeStr}/sort/${sortStr}/page/${this.state.page}`
 261     );
 262   }
 263
 264   siteInfo() {
 265     return (
 266       <div>
 267         <div class="card border-secondary mb-3">
 268           <div class="card-body">
 269             <h5 class="mb-0">{`${this.state.siteRes.site.name}`}</h5>
 270             {this.canAdmin && (
 271               <ul class="list-inline mb-1 text-muted font-weight-bold">
 272                 <li className="list-inline-item-action">
 273                   <span
 274                     class="pointer"
 275                     onClick={linkEvent(this, this.handleEditClick)}
 276                     data-tippy-content={i18n.t('edit')}
 277                   >
 278                     <svg class="icon icon-inline">
 279                       <use xlinkHref="#icon-edit"></use>
 280                     </svg>
 281                   </span>
 282                 </li>
 283               </ul>
 284             )}
 285             <ul class="my-2 list-inline">
 286               <li className="list-inline-item badge badge-secondary">
 287                 {i18n.t('number_online', { count: this.state.siteRes.online })}
 288               </li>
 289               <li className="list-inline-item badge badge-secondary">
 290                 {i18n.t('number_of_users', {
 291                   count: this.state.siteRes.site.number_of_users,
 292                 })}
 293               </li>
 294               <li className="list-inline-item badge badge-secondary">
 295                 {i18n.t('number_of_communities', {
 296                   count: this.state.siteRes.site.number_of_communities,
 297                 })}
 298               </li>
 299               <li className="list-inline-item badge badge-secondary">
 300                 {i18n.t('number_of_posts', {
 301                   count: this.state.siteRes.site.number_of_posts,
 302                 })}
 303               </li>
 304               <li className="list-inline-item badge badge-secondary">
 305                 {i18n.t('number_of_comments', {
 306                   count: this.state.siteRes.site.number_of_comments,
 307                 })}
 308               </li>
 309               <li className="list-inline-item">
 310                 <Link className="badge badge-secondary" to="/modlog">
 311                   {i18n.t('modlog')}
 312                 </Link>
 313               </li>
 314             </ul>
 315             <ul class="mt-1 list-inline small mb-0">
 316               <li class="list-inline-item">{i18n.t('admins')}:</li>
 317               {this.state.siteRes.admins.map(admin => (
 318                 <li class="list-inline-item">
 319                   <Link
 320                     class="text-body font-weight-bold"
 321                     to={`/u/${admin.name}`}
 322                   >
 323                     {admin.avatar && showAvatars() && (
 324                       <img
 325                         height="32"
 326                         width="32"
 327                         src={pictshareAvatarThumbnail(admin.avatar)}
 328                         class="rounded-circle mr-1"
 329                       />
 330                     )}
 331                     <span>{admin.name}</span>
 332                   </Link>
 333                 </li>
 334               ))}
 335             </ul>
 336           </div>
 337         </div>
 338         {this.state.siteRes.site.description && (
 339           <div class="card border-secondary mb-3">
 340             <div class="card-body">
 341               <div
 342                 className="md-div"
 343                 dangerouslySetInnerHTML={mdToHtml(
 344                   this.state.siteRes.site.description
 345                 )}
 346               />
 347             </div>
 348           </div>
 349         )}
 350       </div>
 351     );
 352   }
 353
 354   landing() {
 355     return (
 356       <div class="card border-secondary">
 357         <div class="card-body">
 358           <h5>
 359             {i18n.t('powered_by')}
 360             <svg class="icon mx-2">
 361               <use xlinkHref="#icon-mouse">#</use>
 362             </svg>
 363             <a href={repoUrl}>
 364               Lemmy<sup>beta</sup>
 365             </a>
 366           </h5>
 367           <p class="mb-0">
 368             <T i18nKey="landing_0">
 369               #
 370               <a href="https://en.wikipedia.org/wiki/Social_network_aggregation">
 371                 #
 372               </a>
 373               <a href="https://en.wikipedia.org/wiki/Fediverse">#</a>
 374               <br></br>
 375               <code>#</code>
 376               <br></br>
 377               <b>#</b>
 378               <br></br>
 379               <a href={repoUrl}>#</a>
 380               <br></br>
 381               <a href="https://www.rust-lang.org">#</a>
 382               <a href="https://actix.rs/">#</a>
 383               <a href="https://infernojs.org">#</a>
 384               <a href="https://www.typescriptlang.org/">#</a>
 385             </T>
 386           </p>
 387         </div>
 388       </div>
 389     );
 390   }
 391
 392   posts() {
 393     return (
 394       <div class="main-content-wrapper">
 395         {this.selects()}
 396         {this.state.loading ? (
 397           <h5>
 398             <svg class="icon icon-spinner spin">
 399               <use xlinkHref="#icon-spinner"></use>
 400             </svg>
 401           </h5>
 402         ) : (
 403           <div>
 404             {this.listings()}
 405             {this.paginator()}
 406           </div>
 407         )}
 408       </div>
 409     );
 410   }
 411
 412   listings() {
 413     return this.state.dataType == DataType.Post ? (
 414       <PostListings
 415         posts={this.state.posts}
 416         showCommunity
 417         removeDuplicates
 418         sort={this.state.sort}
 419       />
 420     ) : (
 421       <CommentNodes
 422         nodes={commentsToFlatNodes(this.state.comments)}
 423         noIndent
 424         showCommunity
 425         sortType={this.state.sort}
 426       />
 427     );
 428   }
 429
 430   selects() {
 431     return (
 432       <div className="mb-3">
 433         <span class="mr-3">
 434           <DataTypeSelect
 435             type_={this.state.dataType}
 436             onChange={this.handleDataTypeChange}
 437           />
 438         </span>
 439         <span class="mr-3">
 440           <ListingTypeSelect
 441             type_={this.state.listingType}
 442             onChange={this.handleListingTypeChange}
 443           />
 444         </span>
 445         <span class="mr-2">
 446           <SortSelect sort={this.state.sort} onChange={this.handleSortChange} />
 447         </span>
 448         {this.state.listingType == ListingType.All && (
 449           <a
 450             href={`/feeds/all.xml?sort=${SortType[this.state.sort]}`}
 451             target="_blank"
 452             title="RSS"
 453           >
 454             <svg class="icon text-muted small">
 455               <use xlinkHref="#icon-rss">#</use>
 456             </svg>
 457           </a>
 458         )}
 459         {UserService.Instance.user &&
 460           this.state.listingType == ListingType.Subscribed && (
 461             <a
 462               href={`/feeds/front/${UserService.Instance.auth}.xml?sort=${
 463                 SortType[this.state.sort]
 464               }`}
 465               target="_blank"
 466               title="RSS"
 467             >
 468               <svg class="icon text-muted small">
 469                 <use xlinkHref="#icon-rss">#</use>
 470               </svg>
 471             </a>
 472           )}
 473       </div>
 474     );
 475   }
 476
 477   paginator() {
 478     return (
 479       <div class="my-2">
 480         {this.state.page > 1 && (
 481           <button
 482             class="btn btn-sm btn-secondary mr-1"
 483             onClick={linkEvent(this, this.prevPage)}
 484           >
 485             {i18n.t('prev')}
 486           </button>
 487         )}
 488         {this.state.posts.length == fetchLimit && (
 489           <button
 490             class="btn btn-sm btn-secondary"
 491             onClick={linkEvent(this, this.nextPage)}
 492           >
 493             {i18n.t('next')}
 494           </button>
 495         )}
 496       </div>
 497     );
 498   }
 499
 500   get canAdmin(): boolean {
 501     return (
 502       UserService.Instance.user &&
 503       this.state.siteRes.admins
 504         .map(a => a.id)
 505         .includes(UserService.Instance.user.id)
 506     );
 507   }
 508
 509   handleEditClick(i: Main) {
 510     i.state.showEditSite = true;
 511     i.setState(i.state);
 512   }
 513
 514   handleEditCancel() {
 515     this.state.showEditSite = false;
 516     this.setState(this.state);
 517   }
 518
 519   nextPage(i: Main) {
 520     i.state.page++;
 521     i.state.loading = true;
 522     i.setState(i.state);
 523     i.updateUrl();
 524     i.fetchData();
 525     window.scrollTo(0, 0);
 526   }
 527
 528   prevPage(i: Main) {
 529     i.state.page--;
 530     i.state.loading = true;
 531     i.setState(i.state);
 532     i.updateUrl();
 533     i.fetchData();
 534     window.scrollTo(0, 0);
 535   }
 536
 537   handleSortChange(val: SortType) {
 538     this.state.sort = val;
 539     this.state.page = 1;
 540     this.state.loading = true;
 541     this.setState(this.state);
 542     this.updateUrl();
 543     this.fetchData();
 544     window.scrollTo(0, 0);
 545   }
 546
 547   handleListingTypeChange(val: ListingType) {
 548     this.state.listingType = val;
 549     this.state.page = 1;
 550     this.state.loading = true;
 551     this.setState(this.state);
 552     this.updateUrl();
 553     this.fetchData();
 554     window.scrollTo(0, 0);
 555   }
 556
 557   handleDataTypeChange(val: DataType) {
 558     this.state.dataType = val;
 559     this.state.page = 1;
 560     this.state.loading = true;
 561     this.setState(this.state);
 562     this.updateUrl();
 563     this.fetchData();
 564     window.scrollTo(0, 0);
 565   }
 566
 567   fetchData() {
 568     if (this.state.dataType == DataType.Post) {
 569       let getPostsForm: GetPostsForm = {
 570         page: this.state.page,
 571         limit: fetchLimit,
 572         sort: SortType[this.state.sort],
 573         type_: ListingType[this.state.listingType],
 574       };
 575       WebSocketService.Instance.getPosts(getPostsForm);
 576     } else {
 577       let getCommentsForm: GetCommentsForm = {
 578         page: this.state.page,
 579         limit: fetchLimit,
 580         sort: SortType[this.state.sort],
 581         type_: ListingType[this.state.listingType],
 582       };
 583       WebSocketService.Instance.getComments(getCommentsForm);
 584     }
 585   }
 586
 587   parseMessage(msg: WebSocketJsonResponse) {
 588     console.log(msg);
 589     let res = wsJsonToRes(msg);
 590     if (msg.error) {
 591       toast(i18n.t(msg.error), 'danger');
 592       return;
 593     } else if (msg.reconnect) {
 594       this.fetchData();
 595     } else if (res.op == UserOperation.GetFollowedCommunities) {
 596       let data = res.data as GetFollowedCommunitiesResponse;
 597       this.state.subscribedCommunities = data.communities;
 598       this.setState(this.state);
 599     } else if (res.op == UserOperation.ListCommunities) {
 600       let data = res.data as ListCommunitiesResponse;
 601       this.state.trendingCommunities = data.communities;
 602       this.setState(this.state);
 603     } else if (res.op == UserOperation.GetSite) {
 604       let data = res.data as GetSiteResponse;
 605
 606       // This means it hasn't been set up yet
 607       if (!data.site) {
 608         this.context.router.history.push('/setup');
 609       }
 610       this.state.siteRes.admins = data.admins;
 611       this.state.siteRes.site = data.site;
 612       this.state.siteRes.banned = data.banned;
 613       this.state.siteRes.online = data.online;
 614       this.setState(this.state);
 615       document.title = `${WebSocketService.Instance.site.name}`;
 616     } else if (res.op == UserOperation.EditSite) {
 617       let data = res.data as SiteResponse;
 618       this.state.siteRes.site = data.site;
 619       this.state.showEditSite = false;
 620       this.setState(this.state);
 621     } else if (res.op == UserOperation.GetPosts) {
 622       let data = res.data as GetPostsResponse;
 623       this.state.posts = data.posts;
 624       this.state.loading = false;
 625       this.setState(this.state);
 626       setupTippy();
 627     } else if (res.op == UserOperation.CreatePost) {
 628       let data = res.data as PostResponse;
 629
 630       // If you're on subscribed, only push it if you're subscribed.
 631       if (this.state.listingType == ListingType.Subscribed) {
 632         if (
 633           this.state.subscribedCommunities
 634             .map(c => c.community_id)
 635             .includes(data.post.community_id)
 636         ) {
 637           this.state.posts.unshift(data.post);
 638         }
 639       } else {
 640         // NSFW posts
 641         let nsfw = data.post.nsfw || data.post.community_nsfw;
 642
 643         // Don't push the post if its nsfw, and don't have that setting on
 644         if (
 645           !nsfw ||
 646           (nsfw &&
 647             UserService.Instance.user &&
 648             UserService.Instance.user.show_nsfw)
 649         ) {
 650           this.state.posts.unshift(data.post);
 651         }
 652       }
 653       this.setState(this.state);
 654     } else if (res.op == UserOperation.EditPost) {
 655       let data = res.data as PostResponse;
 656       editPostFindRes(data, this.state.posts);
 657       this.setState(this.state);
 658     } else if (res.op == UserOperation.CreatePostLike) {
 659       let data = res.data as PostResponse;
 660       createPostLikeFindRes(data, this.state.posts);
 661       this.setState(this.state);
 662     } else if (res.op == UserOperation.AddAdmin) {
 663       let data = res.data as AddAdminResponse;
 664       this.state.siteRes.admins = data.admins;
 665       this.setState(this.state);
 666     } else if (res.op == UserOperation.BanUser) {
 667       let data = res.data as BanUserResponse;
 668       let found = this.state.siteRes.banned.find(u => (u.id = data.user.id));
 669
 670       // Remove the banned if its found in the list, and the action is an unban
 671       if (found && !data.banned) {
 672         this.state.siteRes.banned = this.state.siteRes.banned.filter(
 673           i => i.id !== data.user.id
 674         );
 675       } else {
 676         this.state.siteRes.banned.push(data.user);
 677       }
 678
 679       this.state.posts
 680         .filter(p => p.creator_id == data.user.id)
 681         .forEach(p => (p.banned = data.banned));
 682
 683       this.setState(this.state);
 684     } else if (res.op == UserOperation.GetComments) {
 685       let data = res.data as GetCommentsResponse;
 686       this.state.comments = data.comments;
 687       this.state.loading = false;
 688       this.setState(this.state);
 689     } else if (res.op == UserOperation.EditComment) {
 690       let data = res.data as CommentResponse;
 691       editCommentRes(data, this.state.comments);
 692       this.setState(this.state);
 693     } else if (res.op == UserOperation.CreateComment) {
 694       let data = res.data as CommentResponse;
 695
 696       // Necessary since it might be a user reply
 697       if (data.recipient_ids.length == 0) {
 698         // If you're on subscribed, only push it if you're subscribed.
 699         if (this.state.listingType == ListingType.Subscribed) {
 700           if (
 701             this.state.subscribedCommunities
 702               .map(c => c.community_id)
 703               .includes(data.comment.community_id)
 704           ) {
 705             this.state.comments.unshift(data.comment);
 706           }
 707         } else {
 708           this.state.comments.unshift(data.comment);
 709         }
 710         this.setState(this.state);
 711       }
 712     } else if (res.op == UserOperation.SaveComment) {
 713       let data = res.data as CommentResponse;
 714       saveCommentRes(data, this.state.comments);
 715       this.setState(this.state);
 716     } else if (res.op == UserOperation.CreateCommentLike) {
 717       let data = res.data as CommentResponse;
 718       createCommentLikeRes(data, this.state.comments);
 719       this.setState(this.state);
 720     }
 721   }
 722 }