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