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