src/shared/components/community/community.tsx

   1 import { None, Option, Some } from "@sniptt/monads";
   2 import { Component, linkEvent } from "inferno";
   3 import {
   4   AddModToCommunityResponse,
   5   BanFromCommunityResponse,
   6   BlockCommunityResponse,
   7   BlockPersonResponse,
   8   CommentReportResponse,
   9   CommentResponse,
  10   CommentView,
  11   CommunityResponse,
  12   GetComments,
  13   GetCommentsResponse,
  14   GetCommunity,
  15   GetCommunityResponse,
  16   GetPosts,
  17   GetPostsResponse,
  18   GetSiteResponse,
  19   ListingType,
  20   PostReportResponse,
  21   PostResponse,
  22   PostView,
  23   PurgeItemResponse,
  24   SortType,
  25   toOption,
  26   UserOperation,
  27   wsJsonToRes,
  28   wsUserOp,
  29 } from "lemmy-js-client";
  30 import { Subscription } from "rxjs";
  31 import { i18n } from "../../i18next";
  32 import {
  33   CommentViewType,
  34   DataType,
  35   InitialFetchRequest,
  36 } from "../../interfaces";
  37 import { UserService, WebSocketService } from "../../services";
  38 import {
  39   auth,
  40   commentsToFlatNodes,
  41   communityRSSUrl,
  42   createCommentLikeRes,
  43   createPostLikeFindRes,
  44   editCommentRes,
  45   editPostFindRes,
  46   enableDownvotes,
  47   enableNsfw,
  48   fetchLimit,
  49   getDataTypeFromProps,
  50   getPageFromProps,
  51   getSortTypeFromProps,
  52   isPostBlocked,
  53   notifyPost,
  54   nsfwCheck,
  55   postToCommentSortType,
  56   relTags,
  57   restoreScrollPosition,
  58   saveCommentRes,
  59   saveScrollPosition,
  60   setIsoData,
  61   setupTippy,
  62   showLocal,
  63   toast,
  64   updateCommunityBlock,
  65   updatePersonBlock,
  66   wsClient,
  67   wsSubscribe,
  68 } from "../../utils";
  69 import { CommentNodes } from "../comment/comment-nodes";
  70 import { BannerIconHeader } from "../common/banner-icon-header";
  71 import { DataTypeSelect } from "../common/data-type-select";
  72 import { HtmlTags } from "../common/html-tags";
  73 import { Icon, Spinner } from "../common/icon";
  74 import { Paginator } from "../common/paginator";
  75 import { SortSelect } from "../common/sort-select";
  76 import { Sidebar } from "../community/sidebar";
  77 import { SiteSidebar } from "../home/site-sidebar";
  78 import { PostListings } from "../post/post-listings";
  79 import { CommunityLink } from "./community-link";
  80
  81 interface State {
  82   communityRes: Option<GetCommunityResponse>;
  83   siteRes: GetSiteResponse;
  84   communityName: string;
  85   communityLoading: boolean;
  86   postsLoading: boolean;
  87   commentsLoading: boolean;
  88   posts: PostView[];
  89   comments: CommentView[];
  90   dataType: DataType;
  91   sort: SortType;
  92   page: number;
  93   showSidebarMobile: boolean;
  94 }
  95
  96 interface CommunityProps {
  97   dataType: DataType;
  98   sort: SortType;
  99   page: number;
 100 }
 101
 102 interface UrlParams {
 103   dataType?: string;
 104   sort?: SortType;
 105   page?: number;
 106 }
 107
 108 export class Community extends Component<any, State> {
 109   private isoData = setIsoData(
 110     this.context,
 111     GetCommunityResponse,
 112     GetPostsResponse,
 113     GetCommentsResponse
 114   );
 115   private subscription: Subscription;
 116   private emptyState: State = {
 117     communityRes: None,
 118     communityName: this.props.match.params.name,
 119     communityLoading: true,
 120     postsLoading: true,
 121     commentsLoading: true,
 122     posts: [],
 123     comments: [],
 124     dataType: getDataTypeFromProps(this.props),
 125     sort: getSortTypeFromProps(this.props),
 126     page: getPageFromProps(this.props),
 127     siteRes: this.isoData.site_res,
 128     showSidebarMobile: false,
 129   };
 130
 131   constructor(props: any, context: any) {
 132     super(props, context);
 133
 134     this.state = this.emptyState;
 135     this.handleSortChange = this.handleSortChange.bind(this);
 136     this.handleDataTypeChange = this.handleDataTypeChange.bind(this);
 137     this.handlePageChange = this.handlePageChange.bind(this);
 138
 139     this.parseMessage = this.parseMessage.bind(this);
 140     this.subscription = wsSubscribe(this.parseMessage);
 141
 142     // Only fetch the data if coming from another route
 143     if (this.isoData.path == this.context.router.route.match.url) {
 144       this.state = {
 145         ...this.state,
 146         communityRes: Some(this.isoData.routeData[0] as GetCommunityResponse),
 147       };
 148       let postsRes = Some(this.isoData.routeData[1] as GetPostsResponse);
 149       let commentsRes = Some(this.isoData.routeData[2] as GetCommentsResponse);
 150
 151       if (postsRes.isSome()) {
 152         this.state = { ...this.state, posts: postsRes.unwrap().posts };
 153       }
 154
 155       if (commentsRes.isSome()) {
 156         this.state = { ...this.state, comments: commentsRes.unwrap().comments };
 157       }
 158
 159       this.state = {
 160         ...this.state,
 161         communityLoading: false,
 162         postsLoading: false,
 163         commentsLoading: false,
 164       };
 165     } else {
 166       this.fetchCommunity();
 167       this.fetchData();
 168     }
 169   }
 170
 171   fetchCommunity() {
 172     let form = new GetCommunity({
 173       name: Some(this.state.communityName),
 174       id: None,
 175       auth: auth(false).ok(),
 176     });
 177     WebSocketService.Instance.send(wsClient.getCommunity(form));
 178   }
 179
 180   componentDidMount() {
 181     setupTippy();
 182   }
 183
 184   componentWillUnmount() {
 185     saveScrollPosition(this.context);
 186     this.subscription.unsubscribe();
 187   }
 188
 189   static getDerivedStateFromProps(props: any): CommunityProps {
 190     return {
 191       dataType: getDataTypeFromProps(props),
 192       sort: getSortTypeFromProps(props),
 193       page: getPageFromProps(props),
 194     };
 195   }
 196
 197   static fetchInitialData(req: InitialFetchRequest): Promise<any>[] {
 198     let pathSplit = req.path.split("/");
 199     let promises: Promise<any>[] = [];
 200
 201     let communityName = pathSplit[2];
 202     let communityForm = new GetCommunity({
 203       name: Some(communityName),
 204       id: None,
 205       auth: req.auth,
 206     });
 207     promises.push(req.client.getCommunity(communityForm));
 208
 209     let dataType: DataType = pathSplit[4]
 210       ? DataType[pathSplit[4]]
 211       : DataType.Post;
 212
 213     let sort: Option<SortType> = toOption(
 214       pathSplit[6]
 215         ? SortType[pathSplit[6]]
 216         : UserService.Instance.myUserInfo.match({
 217             some: mui =>
 218               Object.values(SortType)[
 219                 mui.local_user_view.local_user.default_sort_type
 220               ],
 221             none: SortType.Active,
 222           })
 223     );
 224
 225     let page = toOption(pathSplit[8] ? Number(pathSplit[8]) : 1);
 226
 227     if (dataType == DataType.Post) {
 228       let getPostsForm = new GetPosts({
 229         community_name: Some(communityName),
 230         community_id: None,
 231         page,
 232         limit: Some(fetchLimit),
 233         sort,
 234         type_: Some(ListingType.All),
 235         saved_only: Some(false),
 236         auth: req.auth,
 237       });
 238       promises.push(req.client.getPosts(getPostsForm));
 239       promises.push(Promise.resolve());
 240     } else {
 241       let getCommentsForm = new GetComments({
 242         community_name: Some(communityName),
 243         community_id: None,
 244         page,
 245         limit: Some(fetchLimit),
 246         max_depth: None,
 247         sort: sort.map(postToCommentSortType),
 248         type_: Some(ListingType.All),
 249         saved_only: Some(false),
 250         post_id: None,
 251         parent_id: None,
 252         auth: req.auth,
 253       });
 254       promises.push(Promise.resolve());
 255       promises.push(req.client.getComments(getCommentsForm));
 256     }
 257
 258     return promises;
 259   }
 260
 261   componentDidUpdate(_: any, lastState: State) {
 262     if (
 263       lastState.dataType !== this.state.dataType ||
 264       lastState.sort !== this.state.sort ||
 265       lastState.page !== this.state.page
 266     ) {
 267       this.setState({ postsLoading: true, commentsLoading: true });
 268       this.fetchData();
 269     }
 270   }
 271
 272   get documentTitle(): string {
 273     return this.state.communityRes.match({
 274       some: res =>
 275         this.state.siteRes.site_view.match({
 276           some: siteView =>
 277             `${res.community_view.community.title} - ${siteView.site.name}`,
 278           none: "",
 279         }),
 280       none: "",
 281     });
 282   }
 283
 284   render() {
 285     return (
 286       <div className="container">
 287         {this.state.communityLoading ? (
 288           <h5>
 289             <Spinner large />
 290           </h5>
 291         ) : (
 292           this.state.communityRes.match({
 293             some: res => (
 294               <>
 295                 <HtmlTags
 296                   title={this.documentTitle}
 297                   path={this.context.router.route.match.url}
 298                   description={res.community_view.community.description}
 299                   image={res.community_view.community.icon}
 300                 />
 301
 302                 <div className="row">
 303                   <div className="col-12 col-md-8">
 304                     {this.communityInfo()}
 305                     <div className="d-block d-md-none">
 306                       <button
 307                         className="btn btn-secondary d-inline-block mb-2 mr-3"
 308                         onClick={linkEvent(this, this.handleShowSidebarMobile)}
 309                       >
 310                         {i18n.t("sidebar")}{" "}
 311                         <Icon
 312                           icon={
 313                             this.state.showSidebarMobile
 314                               ? `minus-square`
 315                               : `plus-square`
 316                           }
 317                           classes="icon-inline"
 318                         />
 319                       </button>
 320                       {this.state.showSidebarMobile && (
 321                         <>
 322                           <Sidebar
 323                             community_view={res.community_view}
 324                             moderators={res.moderators}
 325                             admins={this.state.siteRes.admins}
 326                             online={res.online}
 327                             enableNsfw={enableNsfw(this.state.siteRes)}
 328                           />
 329                           {!res.community_view.community.local &&
 330                             res.site.match({
 331                               some: site => (
 332                                 <SiteSidebar
 333                                   site={site}
 334                                   showLocal={showLocal(this.isoData)}
 335                                   admins={None}
 336                                   counts={None}
 337                                   online={None}
 338                                 />
 339                               ),
 340                               none: <></>,
 341                             })}
 342                         </>
 343                       )}
 344                     </div>
 345                     {this.selects()}
 346                     {this.listings()}
 347                     <Paginator
 348                       page={this.state.page}
 349                       onChange={this.handlePageChange}
 350                     />
 351                   </div>
 352                   <div className="d-none d-md-block col-md-4">
 353                     <Sidebar
 354                       community_view={res.community_view}
 355                       moderators={res.moderators}
 356                       admins={this.state.siteRes.admins}
 357                       online={res.online}
 358                       enableNsfw={enableNsfw(this.state.siteRes)}
 359                     />
 360                     {!res.community_view.community.local &&
 361                       res.site.match({
 362                         some: site => (
 363                           <SiteSidebar
 364                             site={site}
 365                             showLocal={showLocal(this.isoData)}
 366                             admins={None}
 367                             counts={None}
 368                             online={None}
 369                           />
 370                         ),
 371                         none: <></>,
 372                       })}
 373                   </div>
 374                 </div>
 375               </>
 376             ),
 377             none: <></>,
 378           })
 379         )}
 380       </div>
 381     );
 382   }
 383
 384   listings() {
 385     return this.state.dataType == DataType.Post ? (
 386       this.state.postsLoading ? (
 387         <h5>
 388           <Spinner large />
 389         </h5>
 390       ) : (
 391         <PostListings
 392           posts={this.state.posts}
 393           removeDuplicates
 394           enableDownvotes={enableDownvotes(this.state.siteRes)}
 395           enableNsfw={enableNsfw(this.state.siteRes)}
 396           allLanguages={this.state.siteRes.all_languages}
 397         />
 398       )
 399     ) : this.state.commentsLoading ? (
 400       <h5>
 401         <Spinner large />
 402       </h5>
 403     ) : (
 404       <CommentNodes
 405         nodes={commentsToFlatNodes(this.state.comments)}
 406         viewType={CommentViewType.Flat}
 407         noIndent
 408         showContext
 409         enableDownvotes={enableDownvotes(this.state.siteRes)}
 410         moderators={this.state.communityRes.map(r => r.moderators)}
 411         admins={Some(this.state.siteRes.admins)}
 412         maxCommentsShown={None}
 413         allLanguages={this.state.siteRes.all_languages}
 414       />
 415     );
 416   }
 417
 418   communityInfo() {
 419     return this.state.communityRes
 420       .map(r => r.community_view.community)
 421       .match({
 422         some: community => (
 423           <div className="mb-2">
 424             <BannerIconHeader banner={community.banner} icon={community.icon} />
 425             <h5 className="mb-0 overflow-wrap-anywhere">{community.title}</h5>
 426             <CommunityLink
 427               community={community}
 428               realLink
 429               useApubName
 430               muted
 431               hideAvatar
 432             />
 433           </div>
 434         ),
 435         none: <></>,
 436       });
 437   }
 438
 439   selects() {
 440     let communityRss = this.state.communityRes.map(r =>
 441       communityRSSUrl(r.community_view.community.actor_id, this.state.sort)
 442     );
 443     return (
 444       <div className="mb-3">
 445         <span className="mr-3">
 446           <DataTypeSelect
 447             type_={this.state.dataType}
 448             onChange={this.handleDataTypeChange}
 449           />
 450         </span>
 451         <span className="mr-2">
 452           <SortSelect sort={this.state.sort} onChange={this.handleSortChange} />
 453         </span>
 454         {communityRss.match({
 455           some: rss => (
 456             <>
 457               <a href={rss} title="RSS" rel={relTags}>
 458                 <Icon icon="rss" classes="text-muted small" />
 459               </a>
 460               <link rel="alternate" type="application/atom+xml" href={rss} />
 461             </>
 462           ),
 463           none: <></>,
 464         })}
 465       </div>
 466     );
 467   }
 468
 469   handlePageChange(page: number) {
 470     this.updateUrl({ page });
 471     window.scrollTo(0, 0);
 472   }
 473
 474   handleSortChange(val: SortType) {
 475     this.updateUrl({ sort: val, page: 1 });
 476     window.scrollTo(0, 0);
 477   }
 478
 479   handleDataTypeChange(val: DataType) {
 480     this.updateUrl({ dataType: DataType[val], page: 1 });
 481     window.scrollTo(0, 0);
 482   }
 483
 484   handleShowSidebarMobile(i: Community) {
 485     i.setState({ showSidebarMobile: !i.state.showSidebarMobile });
 486   }
 487
 488   updateUrl(paramUpdates: UrlParams) {
 489     const dataTypeStr = paramUpdates.dataType || DataType[this.state.dataType];
 490     const sortStr = paramUpdates.sort || this.state.sort;
 491     const page = paramUpdates.page || this.state.page;
 492
 493     let typeView = `/c/${this.state.communityName}`;
 494
 495     this.props.history.push(
 496       `${typeView}/data_type/${dataTypeStr}/sort/${sortStr}/page/${page}`
 497     );
 498   }
 499
 500   fetchData() {
 501     if (this.state.dataType == DataType.Post) {
 502       let form = new GetPosts({
 503         page: Some(this.state.page),
 504         limit: Some(fetchLimit),
 505         sort: Some(this.state.sort),
 506         type_: Some(ListingType.All),
 507         community_name: Some(this.state.communityName),
 508         community_id: None,
 509         saved_only: Some(false),
 510         auth: auth(false).ok(),
 511       });
 512       WebSocketService.Instance.send(wsClient.getPosts(form));
 513     } else {
 514       let form = new GetComments({
 515         page: Some(this.state.page),
 516         limit: Some(fetchLimit),
 517         max_depth: None,
 518         sort: Some(postToCommentSortType(this.state.sort)),
 519         type_: Some(ListingType.All),
 520         community_name: Some(this.state.communityName),
 521         community_id: None,
 522         saved_only: Some(false),
 523         post_id: None,
 524         parent_id: None,
 525         auth: auth(false).ok(),
 526       });
 527       WebSocketService.Instance.send(wsClient.getComments(form));
 528     }
 529   }
 530
 531   parseMessage(msg: any) {
 532     let op = wsUserOp(msg);
 533     console.log(msg);
 534     if (msg.error) {
 535       toast(i18n.t(msg.error), "danger");
 536       this.context.router.history.push("/");
 537       return;
 538     } else if (msg.reconnect) {
 539       this.state.communityRes.match({
 540         some: res => {
 541           WebSocketService.Instance.send(
 542             wsClient.communityJoin({
 543               community_id: res.community_view.community.id,
 544             })
 545           );
 546         },
 547         none: void 0,
 548       });
 549       this.fetchData();
 550     } else if (op == UserOperation.GetCommunity) {
 551       let data = wsJsonToRes<GetCommunityResponse>(msg, GetCommunityResponse);
 552       this.setState({ communityRes: Some(data), communityLoading: false });
 553       // TODO why is there no auth in this form?
 554       WebSocketService.Instance.send(
 555         wsClient.communityJoin({
 556           community_id: data.community_view.community.id,
 557         })
 558       );
 559     } else if (
 560       op == UserOperation.EditCommunity ||
 561       op == UserOperation.DeleteCommunity ||
 562       op == UserOperation.RemoveCommunity
 563     ) {
 564       let data = wsJsonToRes<CommunityResponse>(msg, CommunityResponse);
 565       this.state.communityRes.match({
 566         some: res => (res.community_view = data.community_view),
 567         none: void 0,
 568       });
 569       this.setState(this.state);
 570     } else if (op == UserOperation.FollowCommunity) {
 571       let data = wsJsonToRes<CommunityResponse>(msg, CommunityResponse);
 572       this.state.communityRes.match({
 573         some: res => {
 574           res.community_view.subscribed = data.community_view.subscribed;
 575           res.community_view.counts.subscribers =
 576             data.community_view.counts.subscribers;
 577         },
 578         none: void 0,
 579       });
 580       this.setState(this.state);
 581     } else if (op == UserOperation.GetPosts) {
 582       let data = wsJsonToRes<GetPostsResponse>(msg, GetPostsResponse);
 583       this.setState({ posts: data.posts, postsLoading: false });
 584       restoreScrollPosition(this.context);
 585       setupTippy();
 586     } else if (
 587       op == UserOperation.EditPost ||
 588       op == UserOperation.DeletePost ||
 589       op == UserOperation.RemovePost ||
 590       op == UserOperation.LockPost ||
 591       op == UserOperation.StickyPost ||
 592       op == UserOperation.SavePost
 593     ) {
 594       let data = wsJsonToRes<PostResponse>(msg, PostResponse);
 595       editPostFindRes(data.post_view, this.state.posts);
 596       this.setState(this.state);
 597     } else if (op == UserOperation.CreatePost) {
 598       let data = wsJsonToRes<PostResponse>(msg, PostResponse);
 599
 600       let showPostNotifs = UserService.Instance.myUserInfo
 601         .map(m => m.local_user_view.local_user.show_new_post_notifs)
 602         .unwrapOr(false);
 603
 604       // Only push these if you're on the first page, you pass the nsfw check, and it isn't blocked
 605       //
 606       if (
 607         this.state.page == 1 &&
 608         nsfwCheck(data.post_view) &&
 609         !isPostBlocked(data.post_view)
 610       ) {
 611         this.state.posts.unshift(data.post_view);
 612         if (showPostNotifs) {
 613           notifyPost(data.post_view, this.context.router);
 614         }
 615         this.setState(this.state);
 616       }
 617     } else if (op == UserOperation.CreatePostLike) {
 618       let data = wsJsonToRes<PostResponse>(msg, PostResponse);
 619       createPostLikeFindRes(data.post_view, this.state.posts);
 620       this.setState(this.state);
 621     } else if (op == UserOperation.AddModToCommunity) {
 622       let data = wsJsonToRes<AddModToCommunityResponse>(
 623         msg,
 624         AddModToCommunityResponse
 625       );
 626       this.state.communityRes.match({
 627         some: res => (res.moderators = data.moderators),
 628         none: void 0,
 629       });
 630       this.setState(this.state);
 631     } else if (op == UserOperation.BanFromCommunity) {
 632       let data = wsJsonToRes<BanFromCommunityResponse>(
 633         msg,
 634         BanFromCommunityResponse
 635       );
 636
 637       // TODO this might be incorrect
 638       this.state.posts
 639         .filter(p => p.creator.id == data.person_view.person.id)
 640         .forEach(p => (p.creator_banned_from_community = data.banned));
 641
 642       this.setState(this.state);
 643     } else if (op == UserOperation.GetComments) {
 644       let data = wsJsonToRes<GetCommentsResponse>(msg, GetCommentsResponse);
 645       this.setState({ comments: data.comments, commentsLoading: false });
 646     } else if (
 647       op == UserOperation.EditComment ||
 648       op == UserOperation.DeleteComment ||
 649       op == UserOperation.RemoveComment
 650     ) {
 651       let data = wsJsonToRes<CommentResponse>(msg, CommentResponse);
 652       editCommentRes(data.comment_view, this.state.comments);
 653       this.setState(this.state);
 654     } else if (op == UserOperation.CreateComment) {
 655       let data = wsJsonToRes<CommentResponse>(msg, CommentResponse);
 656
 657       // Necessary since it might be a user reply
 658       if (data.form_id) {
 659         this.state.comments.unshift(data.comment_view);
 660         this.setState(this.state);
 661       }
 662     } else if (op == UserOperation.SaveComment) {
 663       let data = wsJsonToRes<CommentResponse>(msg, CommentResponse);
 664       saveCommentRes(data.comment_view, this.state.comments);
 665       this.setState(this.state);
 666     } else if (op == UserOperation.CreateCommentLike) {
 667       let data = wsJsonToRes<CommentResponse>(msg, CommentResponse);
 668       createCommentLikeRes(data.comment_view, this.state.comments);
 669       this.setState(this.state);
 670     } else if (op == UserOperation.BlockPerson) {
 671       let data = wsJsonToRes<BlockPersonResponse>(msg, BlockPersonResponse);
 672       updatePersonBlock(data);
 673     } else if (op == UserOperation.CreatePostReport) {
 674       let data = wsJsonToRes<PostReportResponse>(msg, PostReportResponse);
 675       if (data) {
 676         toast(i18n.t("report_created"));
 677       }
 678     } else if (op == UserOperation.CreateCommentReport) {
 679       let data = wsJsonToRes<CommentReportResponse>(msg, CommentReportResponse);
 680       if (data) {
 681         toast(i18n.t("report_created"));
 682       }
 683     } else if (op == UserOperation.PurgeCommunity) {
 684       let data = wsJsonToRes<PurgeItemResponse>(msg, PurgeItemResponse);
 685       if (data.success) {
 686         toast(i18n.t("purge_success"));
 687         this.context.router.history.push(`/`);
 688       }
 689     } else if (op == UserOperation.BlockCommunity) {
 690       let data = wsJsonToRes<BlockCommunityResponse>(
 691         msg,
 692         BlockCommunityResponse
 693       );
 694       this.state.communityRes.match({
 695         some: res => (res.community_view.blocked = data.blocked),
 696         none: void 0,
 697       });
 698       updateCommunityBlock(data);
 699       this.setState(this.state);
 700     }
 701   }
 702 }