src/shared/components/community/community.tsx

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