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               <li className="list-inline-item badge badge-secondary">
 292                 {i18n.t('number_online', { count: this.state.siteRes.online })}
 293               </li>
 294               <li className="list-inline-item badge badge-secondary">
 295                 {i18n.t('number_of_users', {
 296                   count: this.state.siteRes.site.number_of_users,
 297                 })}
 298               </li>
 299               <li className="list-inline-item badge badge-secondary">
 300                 {i18n.t('number_of_communities', {
 301                   count: this.state.siteRes.site.number_of_communities,
 302                 })}
 303               </li>
 304               <li className="list-inline-item badge badge-secondary">
 305                 {i18n.t('number_of_posts', {
 306                   count: this.state.siteRes.site.number_of_posts,
 307                 })}
 308               </li>
 309               <li className="list-inline-item badge badge-secondary">
 310                 {i18n.t('number_of_comments', {
 311                   count: this.state.siteRes.site.number_of_comments,
 312                 })}
 313               </li>
 314               <li className="list-inline-item">
 315                 <Link className="badge badge-secondary" to="/modlog">
 316                   {i18n.t('modlog')}
 317                 </Link>
 318               </li>
 319             </ul>
 320             <ul class="mt-1 list-inline small mb-0">
 321               <li class="list-inline-item">{i18n.t('admins')}:</li>
 322               {this.state.siteRes.admins.map(admin => (
 323                 <li class="list-inline-item">
 324                   <UserListing
 325                     user={{
 326                       name: admin.name,
 327                       avatar: admin.avatar,
 328                       local: admin.local,
 329                       actor_id: admin.actor_id,
 330                       id: admin.id,
 331                     }}
 332                   />
 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         showContext
 427       />
 428     );
 429   }
 430
 431   selects() {
 432     return (
 433       <div className="mb-3">
 434         <span class="mr-3">
 435           <DataTypeSelect
 436             type_={this.state.dataType}
 437             onChange={this.handleDataTypeChange}
 438           />
 439         </span>
 440         <span class="mr-3">
 441           <ListingTypeSelect
 442             type_={this.state.listingType}
 443             onChange={this.handleListingTypeChange}
 444           />
 445         </span>
 446         <span class="mr-2">
 447           <SortSelect sort={this.state.sort} onChange={this.handleSortChange} />
 448         </span>
 449         {this.state.listingType == ListingType.All && (
 450           <a
 451             href={`/feeds/all.xml?sort=${SortType[this.state.sort]}`}
 452             target="_blank"
 453             title="RSS"
 454           >
 455             <svg class="icon text-muted small">
 456               <use xlinkHref="#icon-rss">#</use>
 457             </svg>
 458           </a>
 459         )}
 460         {UserService.Instance.user &&
 461           this.state.listingType == ListingType.Subscribed && (
 462             <a
 463               href={`/feeds/front/${UserService.Instance.auth}.xml?sort=${
 464                 SortType[this.state.sort]
 465               }`}
 466               target="_blank"
 467               title="RSS"
 468             >
 469               <svg class="icon text-muted small">
 470                 <use xlinkHref="#icon-rss">#</use>
 471               </svg>
 472             </a>
 473           )}
 474       </div>
 475     );
 476   }
 477
 478   paginator() {
 479     return (
 480       <div class="my-2">
 481         {this.state.page > 1 && (
 482           <button
 483             class="btn btn-sm btn-secondary mr-1"
 484             onClick={linkEvent(this, this.prevPage)}
 485           >
 486             {i18n.t('prev')}
 487           </button>
 488         )}
 489         {this.state.posts.length == fetchLimit && (
 490           <button
 491             class="btn btn-sm btn-secondary"
 492             onClick={linkEvent(this, this.nextPage)}
 493           >
 494             {i18n.t('next')}
 495           </button>
 496         )}
 497       </div>
 498     );
 499   }
 500
 501   get canAdmin(): boolean {
 502     return (
 503       UserService.Instance.user &&
 504       this.state.siteRes.admins
 505         .map(a => a.id)
 506         .includes(UserService.Instance.user.id)
 507     );
 508   }
 509
 510   handleEditClick(i: Main) {
 511     i.state.showEditSite = true;
 512     i.setState(i.state);
 513   }
 514
 515   handleEditCancel() {
 516     this.state.showEditSite = false;
 517     this.setState(this.state);
 518   }
 519
 520   nextPage(i: Main) {
 521     i.state.page++;
 522     i.state.loading = true;
 523     i.setState(i.state);
 524     i.updateUrl();
 525     i.fetchData();
 526     window.scrollTo(0, 0);
 527   }
 528
 529   prevPage(i: Main) {
 530     i.state.page--;
 531     i.state.loading = true;
 532     i.setState(i.state);
 533     i.updateUrl();
 534     i.fetchData();
 535     window.scrollTo(0, 0);
 536   }
 537
 538   handleSortChange(val: SortType) {
 539     this.state.sort = val;
 540     this.state.page = 1;
 541     this.state.loading = true;
 542     this.setState(this.state);
 543     this.updateUrl();
 544     this.fetchData();
 545     window.scrollTo(0, 0);
 546   }
 547
 548   handleListingTypeChange(val: ListingType) {
 549     this.state.listingType = val;
 550     this.state.page = 1;
 551     this.state.loading = true;
 552     this.setState(this.state);
 553     this.updateUrl();
 554     this.fetchData();
 555     window.scrollTo(0, 0);
 556   }
 557
 558   handleDataTypeChange(val: DataType) {
 559     this.state.dataType = val;
 560     this.state.page = 1;
 561     this.state.loading = true;
 562     this.setState(this.state);
 563     this.updateUrl();
 564     this.fetchData();
 565     window.scrollTo(0, 0);
 566   }
 567
 568   fetchData() {
 569     if (this.state.dataType == DataType.Post) {
 570       let getPostsForm: GetPostsForm = {
 571         page: this.state.page,
 572         limit: fetchLimit,
 573         sort: SortType[this.state.sort],
 574         type_: ListingType[this.state.listingType],
 575       };
 576       WebSocketService.Instance.getPosts(getPostsForm);
 577     } else {
 578       let getCommentsForm: GetCommentsForm = {
 579         page: this.state.page,
 580         limit: fetchLimit,
 581         sort: SortType[this.state.sort],
 582         type_: ListingType[this.state.listingType],
 583       };
 584       WebSocketService.Instance.getComments(getCommentsForm);
 585     }
 586   }
 587
 588   parseMessage(msg: WebSocketJsonResponse) {
 589     console.log(msg);
 590     let res = wsJsonToRes(msg);
 591     if (msg.error) {
 592       toast(i18n.t(msg.error), 'danger');
 593       return;
 594     } else if (msg.reconnect) {
 595       this.fetchData();
 596     } else if (res.op == UserOperation.GetFollowedCommunities) {
 597       let data = res.data as GetFollowedCommunitiesResponse;
 598       this.state.subscribedCommunities = data.communities;
 599       this.setState(this.state);
 600     } else if (res.op == UserOperation.ListCommunities) {
 601       let data = res.data as ListCommunitiesResponse;
 602       this.state.trendingCommunities = data.communities;
 603       this.setState(this.state);
 604     } else if (res.op == UserOperation.GetSite) {
 605       let data = res.data as GetSiteResponse;
 606
 607       // This means it hasn't been set up yet
 608       if (!data.site) {
 609         this.context.router.history.push('/setup');
 610       }
 611       this.state.siteRes.admins = data.admins;
 612       this.state.siteRes.site = data.site;
 613       this.state.siteRes.banned = data.banned;
 614       this.state.siteRes.online = data.online;
 615       this.setState(this.state);
 616       document.title = `${WebSocketService.Instance.site.name}`;
 617     } else if (res.op == UserOperation.EditSite) {
 618       let data = res.data as SiteResponse;
 619       this.state.siteRes.site = data.site;
 620       this.state.showEditSite = false;
 621       this.setState(this.state);
 622       toast(i18n.t('site_saved'));
 623     } else if (res.op == UserOperation.GetPosts) {
 624       let data = res.data as GetPostsResponse;
 625       this.state.posts = data.posts;
 626       this.state.loading = false;
 627       this.setState(this.state);
 628       setupTippy();
 629     } else if (res.op == UserOperation.CreatePost) {
 630       let data = res.data as PostResponse;
 631
 632       // If you're on subscribed, only push it if you're subscribed.
 633       if (this.state.listingType == ListingType.Subscribed) {
 634         if (
 635           this.state.subscribedCommunities
 636             .map(c => c.community_id)
 637             .includes(data.post.community_id)
 638         ) {
 639           this.state.posts.unshift(data.post);
 640         }
 641       } else {
 642         // NSFW posts
 643         let nsfw = data.post.nsfw || data.post.community_nsfw;
 644
 645         // Don't push the post if its nsfw, and don't have that setting on
 646         if (
 647           !nsfw ||
 648           (nsfw &&
 649             UserService.Instance.user &&
 650             UserService.Instance.user.show_nsfw)
 651         ) {
 652           this.state.posts.unshift(data.post);
 653         }
 654       }
 655       this.setState(this.state);
 656     } else if (res.op == UserOperation.EditPost) {
 657       let data = res.data as PostResponse;
 658       editPostFindRes(data, this.state.posts);
 659       this.setState(this.state);
 660     } else if (res.op == UserOperation.CreatePostLike) {
 661       let data = res.data as PostResponse;
 662       createPostLikeFindRes(data, this.state.posts);
 663       this.setState(this.state);
 664     } else if (res.op == UserOperation.AddAdmin) {
 665       let data = res.data as AddAdminResponse;
 666       this.state.siteRes.admins = data.admins;
 667       this.setState(this.state);
 668     } else if (res.op == UserOperation.BanUser) {
 669       let data = res.data as BanUserResponse;
 670       let found = this.state.siteRes.banned.find(u => (u.id = data.user.id));
 671
 672       // Remove the banned if its found in the list, and the action is an unban
 673       if (found && !data.banned) {
 674         this.state.siteRes.banned = this.state.siteRes.banned.filter(
 675           i => i.id !== data.user.id
 676         );
 677       } else {
 678         this.state.siteRes.banned.push(data.user);
 679       }
 680
 681       this.state.posts
 682         .filter(p => p.creator_id == data.user.id)
 683         .forEach(p => (p.banned = data.banned));
 684
 685       this.setState(this.state);
 686     } else if (res.op == UserOperation.GetComments) {
 687       let data = res.data as GetCommentsResponse;
 688       this.state.comments = data.comments;
 689       this.state.loading = false;
 690       this.setState(this.state);
 691     } else if (res.op == UserOperation.EditComment) {
 692       let data = res.data as CommentResponse;
 693       editCommentRes(data, this.state.comments);
 694       this.setState(this.state);
 695     } else if (res.op == UserOperation.CreateComment) {
 696       let data = res.data as CommentResponse;
 697
 698       // Necessary since it might be a user reply
 699       if (data.recipient_ids.length == 0) {
 700         // If you're on subscribed, only push it if you're subscribed.
 701         if (this.state.listingType == ListingType.Subscribed) {
 702           if (
 703             this.state.subscribedCommunities
 704               .map(c => c.community_id)
 705               .includes(data.comment.community_id)
 706           ) {
 707             this.state.comments.unshift(data.comment);
 708           }
 709         } else {
 710           this.state.comments.unshift(data.comment);
 711         }
 712         this.setState(this.state);
 713       }
 714     } else if (res.op == UserOperation.SaveComment) {
 715       let data = res.data as CommentResponse;
 716       saveCommentRes(data, this.state.comments);
 717       this.setState(this.state);
 718     } else if (res.op == UserOperation.CreateCommentLike) {
 719       let data = res.data as CommentResponse;
 720       createCommentLikeRes(data, this.state.comments);
 721       this.setState(this.state);
 722     }
 723   }
 724 }