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