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