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