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         `${res.community_view.community.title} - ${this.state.siteRes.site_view.site.name}`,
 276       none: "",
 277     });
 278   }
 279
 280   render() {
 281     return (
 282       <div className="container-lg">
 283         {this.state.communityLoading ? (
 284           <h5>
 285             <Spinner large />
 286           </h5>
 287         ) : (
 288           this.state.communityRes.match({
 289             some: res => (
 290               <>
 291                 <HtmlTags
 292                   title={this.documentTitle}
 293                   path={this.context.router.route.match.url}
 294                   description={res.community_view.community.description}
 295                   image={res.community_view.community.icon}
 296                 />
 297
 298                 <div className="row">
 299                   <div className="col-12 col-md-8">
 300                     {this.communityInfo()}
 301                     <div className="d-block d-md-none">
 302                       <button
 303                         className="btn btn-secondary d-inline-block mb-2 mr-3"
 304                         onClick={linkEvent(this, this.handleShowSidebarMobile)}
 305                       >
 306                         {i18n.t("sidebar")}{" "}
 307                         <Icon
 308                           icon={
 309                             this.state.showSidebarMobile
 310                               ? `minus-square`
 311                               : `plus-square`
 312                           }
 313                           classes="icon-inline"
 314                         />
 315                       </button>
 316                       {this.state.showSidebarMobile && (
 317                         <>
 318                           <Sidebar
 319                             community_view={res.community_view}
 320                             moderators={res.moderators}
 321                             admins={this.state.siteRes.admins}
 322                             online={res.online}
 323                             enableNsfw={enableNsfw(this.state.siteRes)}
 324                           />
 325                           {!res.community_view.community.local &&
 326                             res.site.match({
 327                               some: site => (
 328                                 <SiteSidebar
 329                                   site={site}
 330                                   showLocal={showLocal(this.isoData)}
 331                                   admins={None}
 332                                   counts={None}
 333                                   online={None}
 334                                 />
 335                               ),
 336                               none: <></>,
 337                             })}
 338                         </>
 339                       )}
 340                     </div>
 341                     {this.selects()}
 342                     {this.listings()}
 343                     <Paginator
 344                       page={this.state.page}
 345                       onChange={this.handlePageChange}
 346                     />
 347                   </div>
 348                   <div className="d-none d-md-block col-md-4">
 349                     <Sidebar
 350                       community_view={res.community_view}
 351                       moderators={res.moderators}
 352                       admins={this.state.siteRes.admins}
 353                       online={res.online}
 354                       enableNsfw={enableNsfw(this.state.siteRes)}
 355                     />
 356                     {!res.community_view.community.local &&
 357                       res.site.match({
 358                         some: site => (
 359                           <SiteSidebar
 360                             site={site}
 361                             showLocal={showLocal(this.isoData)}
 362                             admins={None}
 363                             counts={None}
 364                             online={None}
 365                           />
 366                         ),
 367                         none: <></>,
 368                       })}
 369                   </div>
 370                 </div>
 371               </>
 372             ),
 373             none: <></>,
 374           })
 375         )}
 376       </div>
 377     );
 378   }
 379
 380   listings() {
 381     return this.state.dataType == DataType.Post ? (
 382       this.state.postsLoading ? (
 383         <h5>
 384           <Spinner large />
 385         </h5>
 386       ) : (
 387         <PostListings
 388           posts={this.state.posts}
 389           removeDuplicates
 390           enableDownvotes={enableDownvotes(this.state.siteRes)}
 391           enableNsfw={enableNsfw(this.state.siteRes)}
 392           allLanguages={this.state.siteRes.all_languages}
 393         />
 394       )
 395     ) : this.state.commentsLoading ? (
 396       <h5>
 397         <Spinner large />
 398       </h5>
 399     ) : (
 400       <CommentNodes
 401         nodes={commentsToFlatNodes(this.state.comments)}
 402         viewType={CommentViewType.Flat}
 403         noIndent
 404         showContext
 405         enableDownvotes={enableDownvotes(this.state.siteRes)}
 406         moderators={this.state.communityRes.map(r => r.moderators)}
 407         admins={Some(this.state.siteRes.admins)}
 408         maxCommentsShown={None}
 409         allLanguages={this.state.siteRes.all_languages}
 410       />
 411     );
 412   }
 413
 414   communityInfo() {
 415     return this.state.communityRes
 416       .map(r => r.community_view.community)
 417       .match({
 418         some: community => (
 419           <div className="mb-2">
 420             <BannerIconHeader banner={community.banner} icon={community.icon} />
 421             <h5 className="mb-0 overflow-wrap-anywhere">{community.title}</h5>
 422             <CommunityLink
 423               community={community}
 424               realLink
 425               useApubName
 426               muted
 427               hideAvatar
 428             />
 429           </div>
 430         ),
 431         none: <></>,
 432       });
 433   }
 434
 435   selects() {
 436     let communityRss = this.state.communityRes.map(r =>
 437       communityRSSUrl(r.community_view.community.actor_id, this.state.sort)
 438     );
 439     return (
 440       <div className="mb-3">
 441         <span className="mr-3">
 442           <DataTypeSelect
 443             type_={this.state.dataType}
 444             onChange={this.handleDataTypeChange}
 445           />
 446         </span>
 447         <span className="mr-2">
 448           <SortSelect sort={this.state.sort} onChange={this.handleSortChange} />
 449         </span>
 450         {communityRss.match({
 451           some: rss => (
 452             <>
 453               <a href={rss} title="RSS" rel={relTags}>
 454                 <Icon icon="rss" classes="text-muted small" />
 455               </a>
 456               <link rel="alternate" type="application/atom+xml" href={rss} />
 457             </>
 458           ),
 459           none: <></>,
 460         })}
 461       </div>
 462     );
 463   }
 464
 465   handlePageChange(page: number) {
 466     this.updateUrl({ page });
 467     window.scrollTo(0, 0);
 468   }
 469
 470   handleSortChange(val: SortType) {
 471     this.updateUrl({ sort: val, page: 1 });
 472     window.scrollTo(0, 0);
 473   }
 474
 475   handleDataTypeChange(val: DataType) {
 476     this.updateUrl({ dataType: DataType[val], page: 1 });
 477     window.scrollTo(0, 0);
 478   }
 479
 480   handleShowSidebarMobile(i: Community) {
 481     i.setState({ showSidebarMobile: !i.state.showSidebarMobile });
 482   }
 483
 484   updateUrl(paramUpdates: UrlParams) {
 485     const dataTypeStr = paramUpdates.dataType || DataType[this.state.dataType];
 486     const sortStr = paramUpdates.sort || this.state.sort;
 487     const page = paramUpdates.page || this.state.page;
 488
 489     let typeView = `/c/${this.state.communityName}`;
 490
 491     this.props.history.push(
 492       `${typeView}/data_type/${dataTypeStr}/sort/${sortStr}/page/${page}`
 493     );
 494   }
 495
 496   fetchData() {
 497     if (this.state.dataType == DataType.Post) {
 498       let form = new GetPosts({
 499         page: Some(this.state.page),
 500         limit: Some(fetchLimit),
 501         sort: Some(this.state.sort),
 502         type_: Some(ListingType.All),
 503         community_name: Some(this.state.communityName),
 504         community_id: None,
 505         saved_only: Some(false),
 506         auth: auth(false).ok(),
 507       });
 508       WebSocketService.Instance.send(wsClient.getPosts(form));
 509     } else {
 510       let form = new GetComments({
 511         page: Some(this.state.page),
 512         limit: Some(fetchLimit),
 513         max_depth: None,
 514         sort: Some(postToCommentSortType(this.state.sort)),
 515         type_: Some(ListingType.All),
 516         community_name: Some(this.state.communityName),
 517         community_id: None,
 518         saved_only: Some(false),
 519         post_id: None,
 520         parent_id: None,
 521         auth: auth(false).ok(),
 522       });
 523       WebSocketService.Instance.send(wsClient.getComments(form));
 524     }
 525   }
 526
 527   parseMessage(msg: any) {
 528     let op = wsUserOp(msg);
 529     console.log(msg);
 530     if (msg.error) {
 531       toast(i18n.t(msg.error), "danger");
 532       this.context.router.history.push("/");
 533       return;
 534     } else if (msg.reconnect) {
 535       this.state.communityRes.match({
 536         some: res => {
 537           WebSocketService.Instance.send(
 538             wsClient.communityJoin({
 539               community_id: res.community_view.community.id,
 540             })
 541           );
 542         },
 543         none: void 0,
 544       });
 545       this.fetchData();
 546     } else if (op == UserOperation.GetCommunity) {
 547       let data = wsJsonToRes<GetCommunityResponse>(msg, GetCommunityResponse);
 548       this.setState({ communityRes: Some(data), communityLoading: false });
 549       // TODO why is there no auth in this form?
 550       WebSocketService.Instance.send(
 551         wsClient.communityJoin({
 552           community_id: data.community_view.community.id,
 553         })
 554       );
 555     } else if (
 556       op == UserOperation.EditCommunity ||
 557       op == UserOperation.DeleteCommunity ||
 558       op == UserOperation.RemoveCommunity
 559     ) {
 560       let data = wsJsonToRes<CommunityResponse>(msg, CommunityResponse);
 561       this.state.communityRes.match({
 562         some: res => (res.community_view = data.community_view),
 563         none: void 0,
 564       });
 565       this.setState(this.state);
 566     } else if (op == UserOperation.FollowCommunity) {
 567       let data = wsJsonToRes<CommunityResponse>(msg, CommunityResponse);
 568       this.state.communityRes.match({
 569         some: res => {
 570           res.community_view.subscribed = data.community_view.subscribed;
 571           res.community_view.counts.subscribers =
 572             data.community_view.counts.subscribers;
 573         },
 574         none: void 0,
 575       });
 576       this.setState(this.state);
 577     } else if (op == UserOperation.GetPosts) {
 578       let data = wsJsonToRes<GetPostsResponse>(msg, GetPostsResponse);
 579       this.setState({ posts: data.posts, postsLoading: false });
 580       restoreScrollPosition(this.context);
 581       setupTippy();
 582     } else if (
 583       op == UserOperation.EditPost ||
 584       op == UserOperation.DeletePost ||
 585       op == UserOperation.RemovePost ||
 586       op == UserOperation.LockPost ||
 587       op == UserOperation.StickyPost ||
 588       op == UserOperation.SavePost
 589     ) {
 590       let data = wsJsonToRes<PostResponse>(msg, PostResponse);
 591       editPostFindRes(data.post_view, this.state.posts);
 592       this.setState(this.state);
 593     } else if (op == UserOperation.CreatePost) {
 594       let data = wsJsonToRes<PostResponse>(msg, PostResponse);
 595
 596       let showPostNotifs = UserService.Instance.myUserInfo
 597         .map(m => m.local_user_view.local_user.show_new_post_notifs)
 598         .unwrapOr(false);
 599
 600       // Only push these if you're on the first page, you pass the nsfw check, and it isn't blocked
 601       //
 602       if (
 603         this.state.page == 1 &&
 604         nsfwCheck(data.post_view) &&
 605         !isPostBlocked(data.post_view)
 606       ) {
 607         this.state.posts.unshift(data.post_view);
 608         if (showPostNotifs) {
 609           notifyPost(data.post_view, this.context.router);
 610         }
 611         this.setState(this.state);
 612       }
 613     } else if (op == UserOperation.CreatePostLike) {
 614       let data = wsJsonToRes<PostResponse>(msg, PostResponse);
 615       createPostLikeFindRes(data.post_view, this.state.posts);
 616       this.setState(this.state);
 617     } else if (op == UserOperation.AddModToCommunity) {
 618       let data = wsJsonToRes<AddModToCommunityResponse>(
 619         msg,
 620         AddModToCommunityResponse
 621       );
 622       this.state.communityRes.match({
 623         some: res => (res.moderators = data.moderators),
 624         none: void 0,
 625       });
 626       this.setState(this.state);
 627     } else if (op == UserOperation.BanFromCommunity) {
 628       let data = wsJsonToRes<BanFromCommunityResponse>(
 629         msg,
 630         BanFromCommunityResponse
 631       );
 632
 633       // TODO this might be incorrect
 634       this.state.posts
 635         .filter(p => p.creator.id == data.person_view.person.id)
 636         .forEach(p => (p.creator_banned_from_community = data.banned));
 637
 638       this.setState(this.state);
 639     } else if (op == UserOperation.GetComments) {
 640       let data = wsJsonToRes<GetCommentsResponse>(msg, GetCommentsResponse);
 641       this.setState({ comments: data.comments, commentsLoading: false });
 642     } else if (
 643       op == UserOperation.EditComment ||
 644       op == UserOperation.DeleteComment ||
 645       op == UserOperation.RemoveComment
 646     ) {
 647       let data = wsJsonToRes<CommentResponse>(msg, CommentResponse);
 648       editCommentRes(data.comment_view, this.state.comments);
 649       this.setState(this.state);
 650     } else if (op == UserOperation.CreateComment) {
 651       let data = wsJsonToRes<CommentResponse>(msg, CommentResponse);
 652
 653       // Necessary since it might be a user reply
 654       if (data.form_id) {
 655         this.state.comments.unshift(data.comment_view);
 656         this.setState(this.state);
 657       }
 658     } else if (op == UserOperation.SaveComment) {
 659       let data = wsJsonToRes<CommentResponse>(msg, CommentResponse);
 660       saveCommentRes(data.comment_view, this.state.comments);
 661       this.setState(this.state);
 662     } else if (op == UserOperation.CreateCommentLike) {
 663       let data = wsJsonToRes<CommentResponse>(msg, CommentResponse);
 664       createCommentLikeRes(data.comment_view, this.state.comments);
 665       this.setState(this.state);
 666     } else if (op == UserOperation.BlockPerson) {
 667       let data = wsJsonToRes<BlockPersonResponse>(msg, BlockPersonResponse);
 668       updatePersonBlock(data);
 669     } else if (op == UserOperation.CreatePostReport) {
 670       let data = wsJsonToRes<PostReportResponse>(msg, PostReportResponse);
 671       if (data) {
 672         toast(i18n.t("report_created"));
 673       }
 674     } else if (op == UserOperation.CreateCommentReport) {
 675       let data = wsJsonToRes<CommentReportResponse>(msg, CommentReportResponse);
 676       if (data) {
 677         toast(i18n.t("report_created"));
 678       }
 679     } else if (op == UserOperation.PurgeCommunity) {
 680       let data = wsJsonToRes<PurgeItemResponse>(msg, PurgeItemResponse);
 681       if (data.success) {
 682         toast(i18n.t("purge_success"));
 683         this.context.router.history.push(`/`);
 684       }
 685     } else if (op == UserOperation.BlockCommunity) {
 686       let data = wsJsonToRes<BlockCommunityResponse>(
 687         msg,
 688         BlockCommunityResponse
 689       );
 690       this.state.communityRes.match({
 691         some: res => (res.community_view.blocked = data.blocked),
 692         none: void 0,
 693       });
 694       updateCommunityBlock(data);
 695       this.setState(this.state);
 696     }
 697   }
 698 }