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