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