src/shared/components/post/post.tsx

   1 import autosize from "autosize";
   2 import { Component, createRef, linkEvent, RefObject } from "inferno";
   3 import {
   4   AddAdmin,
   5   AddModToCommunity,
   6   AddModToCommunityResponse,
   7   BanFromCommunity,
   8   BanFromCommunityResponse,
   9   BanPerson,
  10   BanPersonResponse,
  11   BlockCommunity,
  12   BlockPerson,
  13   CommentId,
  14   CommentReplyResponse,
  15   CommentResponse,
  16   CommentSortType,
  17   CommunityResponse,
  18   CreateComment,
  19   CreateCommentLike,
  20   CreateCommentReport,
  21   CreatePostLike,
  22   CreatePostReport,
  23   DeleteComment,
  24   DeleteCommunity,
  25   DeletePost,
  26   DistinguishComment,
  27   EditComment,
  28   EditCommunity,
  29   EditPost,
  30   FeaturePost,
  31   FollowCommunity,
  32   GetComments,
  33   GetCommentsResponse,
  34   GetCommunityResponse,
  35   GetPost,
  36   GetPostResponse,
  37   GetSiteResponse,
  38   LockPost,
  39   MarkCommentReplyAsRead,
  40   MarkPersonMentionAsRead,
  41   PostResponse,
  42   PurgeComment,
  43   PurgeCommunity,
  44   PurgeItemResponse,
  45   PurgePerson,
  46   PurgePost,
  47   RemoveComment,
  48   RemoveCommunity,
  49   RemovePost,
  50   SaveComment,
  51   SavePost,
  52   TransferCommunity,
  53 } from "lemmy-js-client";
  54 import { i18n } from "../../i18next";
  55 import {
  56   CommentNodeI,
  57   CommentViewType,
  58   InitialFetchRequest,
  59 } from "../../interfaces";
  60 import { UserService } from "../../services";
  61 import { FirstLoadService } from "../../services/FirstLoadService";
  62 import { HttpService, RequestState } from "../../services/HttpService";
  63 import {
  64   buildCommentsTree,
  65   commentsToFlatNodes,
  66   commentTreeMaxDepth,
  67   debounce,
  68   editComment,
  69   editWith,
  70   enableDownvotes,
  71   enableNsfw,
  72   getCommentIdFromProps,
  73   getCommentParentId,
  74   getDepthFromComment,
  75   getIdFromProps,
  76   isBrowser,
  77   isImage,
  78   myAuth,
  79   restoreScrollPosition,
  80   saveScrollPosition,
  81   setIsoData,
  82   setupTippy,
  83   toast,
  84   updateCommunityBlock,
  85   updatePersonBlock,
  86 } from "../../utils";
  87 import { CommentForm } from "../comment/comment-form";
  88 import { CommentNodes } from "../comment/comment-nodes";
  89 import { HtmlTags } from "../common/html-tags";
  90 import { Icon, Spinner } from "../common/icon";
  91 import { Sidebar } from "../community/sidebar";
  92 import { PostListing } from "./post-listing";
  93
  94 const commentsShownInterval = 15;
  95
  96 interface PostState {
  97   postId?: number;
  98   commentId?: number;
  99   postRes: RequestState<GetPostResponse>;
 100   commentsRes: RequestState<GetCommentsResponse>;
 101   commentSort: CommentSortType;
 102   commentViewType: CommentViewType;
 103   scrolled?: boolean;
 104   siteRes: GetSiteResponse;
 105   commentSectionRef?: RefObject<HTMLDivElement>;
 106   showSidebarMobile: boolean;
 107   maxCommentsShown: number;
 108   finished: Map<CommentId, boolean | undefined>;
 109   isIsomorphic: boolean;
 110 }
 111
 112 export class Post extends Component<any, PostState> {
 113   private isoData = setIsoData(this.context);
 114   private commentScrollDebounced: () => void;
 115   state: PostState = {
 116     postRes: { state: "empty" },
 117     commentsRes: { state: "empty" },
 118     postId: getIdFromProps(this.props),
 119     commentId: getCommentIdFromProps(this.props),
 120     commentSort: "Hot",
 121     commentViewType: CommentViewType.Tree,
 122     scrolled: false,
 123     siteRes: this.isoData.site_res,
 124     showSidebarMobile: false,
 125     maxCommentsShown: commentsShownInterval,
 126     finished: new Map(),
 127     isIsomorphic: false,
 128   };
 129
 130   constructor(props: any, context: any) {
 131     super(props, context);
 132
 133     this.handleDeleteCommunityClick =
 134       this.handleDeleteCommunityClick.bind(this);
 135     this.handleEditCommunity = this.handleEditCommunity.bind(this);
 136     this.handleFollow = this.handleFollow.bind(this);
 137     this.handleModRemoveCommunity = this.handleModRemoveCommunity.bind(this);
 138     this.handleCreateComment = this.handleCreateComment.bind(this);
 139     this.handleEditComment = this.handleEditComment.bind(this);
 140     this.handleSaveComment = this.handleSaveComment.bind(this);
 141     this.handleBlockCommunity = this.handleBlockCommunity.bind(this);
 142     this.handleBlockPerson = this.handleBlockPerson.bind(this);
 143     this.handleDeleteComment = this.handleDeleteComment.bind(this);
 144     this.handleRemoveComment = this.handleRemoveComment.bind(this);
 145     this.handleCommentVote = this.handleCommentVote.bind(this);
 146     this.handleAddModToCommunity = this.handleAddModToCommunity.bind(this);
 147     this.handleAddAdmin = this.handleAddAdmin.bind(this);
 148     this.handlePurgePerson = this.handlePurgePerson.bind(this);
 149     this.handlePurgeComment = this.handlePurgeComment.bind(this);
 150     this.handleCommentReport = this.handleCommentReport.bind(this);
 151     this.handleDistinguishComment = this.handleDistinguishComment.bind(this);
 152     this.handleTransferCommunity = this.handleTransferCommunity.bind(this);
 153     this.handleFetchChildren = this.handleFetchChildren.bind(this);
 154     this.handleCommentReplyRead = this.handleCommentReplyRead.bind(this);
 155     this.handlePersonMentionRead = this.handlePersonMentionRead.bind(this);
 156     this.handleBanFromCommunity = this.handleBanFromCommunity.bind(this);
 157     this.handleBanPerson = this.handleBanPerson.bind(this);
 158     this.handlePostEdit = this.handlePostEdit.bind(this);
 159     this.handlePostVote = this.handlePostVote.bind(this);
 160     this.handlePostReport = this.handlePostReport.bind(this);
 161     this.handleLockPost = this.handleLockPost.bind(this);
 162     this.handleDeletePost = this.handleDeletePost.bind(this);
 163     this.handleRemovePost = this.handleRemovePost.bind(this);
 164     this.handleSavePost = this.handleSavePost.bind(this);
 165     this.handlePurgePost = this.handlePurgePost.bind(this);
 166     this.handleFeaturePost = this.handleFeaturePost.bind(this);
 167
 168     this.state = { ...this.state, commentSectionRef: createRef() };
 169
 170     // Only fetch the data if coming from another route
 171     if (FirstLoadService.isFirstLoad) {
 172       const [postRes, commentsRes] = this.isoData.routeData;
 173
 174       this.state = {
 175         ...this.state,
 176         postRes,
 177         commentsRes,
 178         isIsomorphic: true,
 179       };
 180
 181       if (isBrowser()) {
 182         if (this.checkScrollIntoCommentsParam) {
 183           this.scrollIntoCommentSection();
 184         }
 185       }
 186     }
 187   }
 188
 189   async fetchPost() {
 190     this.setState({
 191       postRes: { state: "loading" },
 192       commentsRes: { state: "loading" },
 193     });
 194
 195     const auth = myAuth();
 196
 197     this.setState({
 198       postRes: await HttpService.client.getPost({
 199         id: this.state.postId,
 200         comment_id: this.state.commentId,
 201         auth,
 202       }),
 203       commentsRes: await HttpService.client.getComments({
 204         post_id: this.state.postId,
 205         parent_id: this.state.commentId,
 206         max_depth: commentTreeMaxDepth,
 207         sort: this.state.commentSort,
 208         type_: "All",
 209         saved_only: false,
 210         auth,
 211       }),
 212     });
 213
 214     setupTippy();
 215
 216     if (!this.state.commentId) restoreScrollPosition(this.context);
 217
 218     if (this.checkScrollIntoCommentsParam) {
 219       this.scrollIntoCommentSection();
 220     }
 221   }
 222
 223   static fetchInitialData({
 224     auth,
 225     client,
 226     path,
 227   }: InitialFetchRequest): Promise<any>[] {
 228     const pathSplit = path.split("/");
 229     const promises: Promise<RequestState<any>>[] = [];
 230
 231     const pathType = pathSplit.at(1);
 232     const id = pathSplit.at(2) ? Number(pathSplit.at(2)) : undefined;
 233
 234     const postForm: GetPost = {
 235       auth,
 236     };
 237
 238     const commentsForm: GetComments = {
 239       max_depth: commentTreeMaxDepth,
 240       sort: "Hot",
 241       type_: "All",
 242       saved_only: false,
 243       auth,
 244     };
 245
 246     // Set the correct id based on the path type
 247     if (pathType === "post") {
 248       postForm.id = id;
 249       commentsForm.post_id = id;
 250     } else {
 251       postForm.comment_id = id;
 252       commentsForm.parent_id = id;
 253     }
 254
 255     promises.push(client.getPost(postForm));
 256     promises.push(client.getComments(commentsForm));
 257
 258     return promises;
 259   }
 260
 261   componentWillUnmount() {
 262     document.removeEventListener("scroll", this.commentScrollDebounced);
 263
 264     saveScrollPosition(this.context);
 265   }
 266
 267   async componentDidMount() {
 268     if (!this.state.isIsomorphic) {
 269       await this.fetchPost();
 270     }
 271
 272     autosize(document.querySelectorAll("textarea"));
 273
 274     this.commentScrollDebounced = debounce(this.trackCommentsBoxScrolling, 100);
 275     document.addEventListener("scroll", this.commentScrollDebounced);
 276   }
 277
 278   async componentDidUpdate(_lastProps: any) {
 279     // Necessary if you are on a post and you click another post (same route)
 280     if (_lastProps.location.pathname !== _lastProps.history.location.pathname) {
 281       await this.fetchPost();
 282     }
 283   }
 284
 285   get checkScrollIntoCommentsParam() {
 286     return Boolean(
 287       new URLSearchParams(this.props.location.search).get("scrollToComments")
 288     );
 289   }
 290
 291   scrollIntoCommentSection() {
 292     this.state.commentSectionRef?.current?.scrollIntoView();
 293   }
 294
 295   isBottom(el: Element): boolean {
 296     return el?.getBoundingClientRect().bottom <= window.innerHeight;
 297   }
 298
 299   /**
 300    * Shows new comments when scrolling to the bottom of the comments div
 301    */
 302   trackCommentsBoxScrolling = () => {
 303     const wrappedElement = document.getElementsByClassName("comments")[0];
 304     if (wrappedElement && this.isBottom(wrappedElement)) {
 305       const commentCount =
 306         this.state.commentsRes.state == "success"
 307           ? this.state.commentsRes.data.comments.length
 308           : 0;
 309
 310       if (this.state.maxCommentsShown < commentCount) {
 311         this.setState({
 312           maxCommentsShown: this.state.maxCommentsShown + commentsShownInterval,
 313         });
 314       }
 315     }
 316   };
 317
 318   get documentTitle(): string {
 319     const siteName = this.state.siteRes.site_view.site.name;
 320     return this.state.postRes.state == "success"
 321       ? `${this.state.postRes.data.post_view.post.name} - ${siteName}`
 322       : siteName;
 323   }
 324
 325   get imageTag(): string | undefined {
 326     if (this.state.postRes.state == "success") {
 327       const post = this.state.postRes.data.post_view.post;
 328       const thumbnail = post.thumbnail_url;
 329       const url = post.url;
 330       return thumbnail || (url && isImage(url) ? url : undefined);
 331     } else return undefined;
 332   }
 333
 334   renderPostRes() {
 335     switch (this.state.postRes.state) {
 336       case "loading":
 337         return (
 338           <h5>
 339             <Spinner large />
 340           </h5>
 341         );
 342       case "success": {
 343         const res = this.state.postRes.data;
 344         return (
 345           <div className="row">
 346             <div className="col-12 col-md-8 mb-3">
 347               <HtmlTags
 348                 title={this.documentTitle}
 349                 path={this.context.router.route.match.url}
 350                 image={this.imageTag}
 351                 description={res.post_view.post.body}
 352               />
 353               <PostListing
 354                 post_view={res.post_view}
 355                 crossPosts={res.cross_posts}
 356                 showBody
 357                 showCommunity
 358                 moderators={res.moderators}
 359                 admins={this.state.siteRes.admins}
 360                 enableDownvotes={enableDownvotes(this.state.siteRes)}
 361                 enableNsfw={enableNsfw(this.state.siteRes)}
 362                 allLanguages={this.state.siteRes.all_languages}
 363                 siteLanguages={this.state.siteRes.discussion_languages}
 364                 onBlockPerson={this.handleBlockPerson}
 365                 onPostEdit={this.handlePostEdit}
 366                 onPostVote={this.handlePostVote}
 367                 onPostReport={this.handlePostReport}
 368                 onLockPost={this.handleLockPost}
 369                 onDeletePost={this.handleDeletePost}
 370                 onRemovePost={this.handleRemovePost}
 371                 onSavePost={this.handleSavePost}
 372                 onPurgePerson={this.handlePurgePerson}
 373                 onPurgePost={this.handlePurgePost}
 374                 onBanPerson={this.handleBanPerson}
 375                 onBanPersonFromCommunity={this.handleBanFromCommunity}
 376                 onAddModToCommunity={this.handleAddModToCommunity}
 377                 onAddAdmin={this.handleAddAdmin}
 378                 onTransferCommunity={this.handleTransferCommunity}
 379                 onFeaturePost={this.handleFeaturePost}
 380               />
 381               <div ref={this.state.commentSectionRef} className="mb-2" />
 382               <CommentForm
 383                 node={res.post_view.post.id}
 384                 disabled={res.post_view.post.locked}
 385                 allLanguages={this.state.siteRes.all_languages}
 386                 siteLanguages={this.state.siteRes.discussion_languages}
 387                 onUpsertComment={this.handleCreateComment}
 388                 finished={this.state.finished.get(0)}
 389               />
 390               <div className="d-block d-md-none">
 391                 <button
 392                   className="btn btn-secondary d-inline-block mb-2 mr-3"
 393                   onClick={linkEvent(this, this.handleShowSidebarMobile)}
 394                 >
 395                   {i18n.t("sidebar")}{" "}
 396                   <Icon
 397                     icon={
 398                       this.state.showSidebarMobile
 399                         ? `minus-square`
 400                         : `plus-square`
 401                     }
 402                     classes="icon-inline"
 403                   />
 404                 </button>
 405                 {this.state.showSidebarMobile && this.sidebar()}
 406               </div>
 407               {this.sortRadios()}
 408               {this.state.commentViewType == CommentViewType.Tree &&
 409                 this.commentsTree()}
 410               {this.state.commentViewType == CommentViewType.Flat &&
 411                 this.commentsFlat()}
 412             </div>
 413             <div className="d-none d-md-block col-md-4">{this.sidebar()}</div>
 414           </div>
 415         );
 416       }
 417     }
 418   }
 419
 420   render() {
 421     return <div className="container-lg">{this.renderPostRes()}</div>;
 422   }
 423
 424   sortRadios() {
 425     return (
 426       <>
 427         <div className="btn-group btn-group-toggle flex-wrap mr-3 mb-2">
 428           <label
 429             className={`btn btn-outline-secondary pointer ${
 430               this.state.commentSort === "Hot" && "active"
 431             }`}
 432           >
 433             {i18n.t("hot")}
 434             <input
 435               type="radio"
 436               value={"Hot"}
 437               checked={this.state.commentSort === "Hot"}
 438               onChange={linkEvent(this, this.handleCommentSortChange)}
 439             />
 440           </label>
 441           <label
 442             className={`btn btn-outline-secondary pointer ${
 443               this.state.commentSort === "Top" && "active"
 444             }`}
 445           >
 446             {i18n.t("top")}
 447             <input
 448               type="radio"
 449               value={"Top"}
 450               checked={this.state.commentSort === "Top"}
 451               onChange={linkEvent(this, this.handleCommentSortChange)}
 452             />
 453           </label>
 454           <label
 455             className={`btn btn-outline-secondary pointer ${
 456               this.state.commentSort === "New" && "active"
 457             }`}
 458           >
 459             {i18n.t("new")}
 460             <input
 461               type="radio"
 462               value={"New"}
 463               checked={this.state.commentSort === "New"}
 464               onChange={linkEvent(this, this.handleCommentSortChange)}
 465             />
 466           </label>
 467           <label
 468             className={`btn btn-outline-secondary pointer ${
 469               this.state.commentSort === "Old" && "active"
 470             }`}
 471           >
 472             {i18n.t("old")}
 473             <input
 474               type="radio"
 475               value={"Old"}
 476               checked={this.state.commentSort === "Old"}
 477               onChange={linkEvent(this, this.handleCommentSortChange)}
 478             />
 479           </label>
 480         </div>
 481         <div className="btn-group btn-group-toggle flex-wrap mb-2">
 482           <label
 483             className={`btn btn-outline-secondary pointer ${
 484               this.state.commentViewType === CommentViewType.Flat && "active"
 485             }`}
 486           >
 487             {i18n.t("chat")}
 488             <input
 489               type="radio"
 490               value={CommentViewType.Flat}
 491               checked={this.state.commentViewType === CommentViewType.Flat}
 492               onChange={linkEvent(this, this.handleCommentViewTypeChange)}
 493             />
 494           </label>
 495         </div>
 496       </>
 497     );
 498   }
 499
 500   commentsFlat() {
 501     // These are already sorted by new
 502     const commentsRes = this.state.commentsRes;
 503     const postRes = this.state.postRes;
 504
 505     if (commentsRes.state == "success" && postRes.state == "success") {
 506       return (
 507         <div>
 508           <CommentNodes
 509             nodes={commentsToFlatNodes(commentsRes.data.comments)}
 510             viewType={this.state.commentViewType}
 511             maxCommentsShown={this.state.maxCommentsShown}
 512             noIndent
 513             locked={postRes.data.post_view.post.locked}
 514             moderators={postRes.data.moderators}
 515             admins={this.state.siteRes.admins}
 516             enableDownvotes={enableDownvotes(this.state.siteRes)}
 517             showContext
 518             finished={this.state.finished}
 519             allLanguages={this.state.siteRes.all_languages}
 520             siteLanguages={this.state.siteRes.discussion_languages}
 521             onSaveComment={this.handleSaveComment}
 522             onBlockPerson={this.handleBlockPerson}
 523             onDeleteComment={this.handleDeleteComment}
 524             onRemoveComment={this.handleRemoveComment}
 525             onCommentVote={this.handleCommentVote}
 526             onCommentReport={this.handleCommentReport}
 527             onDistinguishComment={this.handleDistinguishComment}
 528             onAddModToCommunity={this.handleAddModToCommunity}
 529             onAddAdmin={this.handleAddAdmin}
 530             onTransferCommunity={this.handleTransferCommunity}
 531             onFetchChildren={this.handleFetchChildren}
 532             onPurgeComment={this.handlePurgeComment}
 533             onPurgePerson={this.handlePurgePerson}
 534             onCommentReplyRead={this.handleCommentReplyRead}
 535             onPersonMentionRead={this.handlePersonMentionRead}
 536             onBanPersonFromCommunity={this.handleBanFromCommunity}
 537             onBanPerson={this.handleBanPerson}
 538             onCreateComment={this.handleCreateComment}
 539             onEditComment={this.handleEditComment}
 540           />
 541         </div>
 542       );
 543     }
 544   }
 545
 546   sidebar() {
 547     const res = this.state.postRes;
 548     if (res.state === "success") {
 549       return (
 550         <div className="mb-3">
 551           <Sidebar
 552             community_view={res.data.community_view}
 553             moderators={res.data.moderators}
 554             admins={this.state.siteRes.admins}
 555             enableNsfw={enableNsfw(this.state.siteRes)}
 556             showIcon
 557             allLanguages={this.state.siteRes.all_languages}
 558             siteLanguages={this.state.siteRes.discussion_languages}
 559             onDeleteCommunity={this.handleDeleteCommunityClick}
 560             onLeaveModTeam={this.handleAddModToCommunity}
 561             onFollowCommunity={this.handleFollow}
 562             onRemoveCommunity={this.handleModRemoveCommunity}
 563             onPurgeCommunity={this.handlePurgeCommunity}
 564             onBlockCommunity={this.handleBlockCommunity}
 565             onEditCommunity={this.handleEditCommunity}
 566           />
 567         </div>
 568       );
 569     }
 570   }
 571
 572   commentsTree() {
 573     const res = this.state.postRes;
 574     const firstComment = this.commentTree().at(0)?.comment_view.comment;
 575     const depth = getDepthFromComment(firstComment);
 576     const showContextButton = depth ? depth > 0 : false;
 577
 578     return (
 579       res.state == "success" && (
 580         <div>
 581           {!!this.state.commentId && (
 582             <>
 583               <button
 584                 className="pl-0 d-block btn btn-link text-muted"
 585                 onClick={linkEvent(this, this.handleViewPost)}
 586               >
 587                 {i18n.t("view_all_comments")} ➔
 588               </button>
 589               {showContextButton && (
 590                 <button
 591                   className="pl-0 d-block btn btn-link text-muted"
 592                   onClick={linkEvent(this, this.handleViewContext)}
 593                 >
 594                   {i18n.t("show_context")} ➔
 595                 </button>
 596               )}
 597             </>
 598           )}
 599           <CommentNodes
 600             nodes={this.commentTree()}
 601             viewType={this.state.commentViewType}
 602             maxCommentsShown={this.state.maxCommentsShown}
 603             locked={res.data.post_view.post.locked}
 604             moderators={res.data.moderators}
 605             admins={this.state.siteRes.admins}
 606             enableDownvotes={enableDownvotes(this.state.siteRes)}
 607             finished={this.state.finished}
 608             allLanguages={this.state.siteRes.all_languages}
 609             siteLanguages={this.state.siteRes.discussion_languages}
 610             onSaveComment={this.handleSaveComment}
 611             onBlockPerson={this.handleBlockPerson}
 612             onDeleteComment={this.handleDeleteComment}
 613             onRemoveComment={this.handleRemoveComment}
 614             onCommentVote={this.handleCommentVote}
 615             onCommentReport={this.handleCommentReport}
 616             onDistinguishComment={this.handleDistinguishComment}
 617             onAddModToCommunity={this.handleAddModToCommunity}
 618             onAddAdmin={this.handleAddAdmin}
 619             onTransferCommunity={this.handleTransferCommunity}
 620             onFetchChildren={this.handleFetchChildren}
 621             onPurgeComment={this.handlePurgeComment}
 622             onPurgePerson={this.handlePurgePerson}
 623             onCommentReplyRead={this.handleCommentReplyRead}
 624             onPersonMentionRead={this.handlePersonMentionRead}
 625             onBanPersonFromCommunity={this.handleBanFromCommunity}
 626             onBanPerson={this.handleBanPerson}
 627             onCreateComment={this.handleCreateComment}
 628             onEditComment={this.handleEditComment}
 629           />
 630         </div>
 631       )
 632     );
 633   }
 634
 635   commentTree(): CommentNodeI[] {
 636     if (this.state.commentsRes.state == "success") {
 637       return buildCommentsTree(
 638         this.state.commentsRes.data.comments,
 639         !!this.state.commentId
 640       );
 641     } else {
 642       return [];
 643     }
 644   }
 645
 646   async handleCommentSortChange(i: Post, event: any) {
 647     i.setState({
 648       commentSort: event.target.value as CommentSortType,
 649       commentViewType: CommentViewType.Tree,
 650       commentsRes: { state: "loading" },
 651       postRes: { state: "loading" },
 652     });
 653     await i.fetchPost();
 654   }
 655
 656   handleCommentViewTypeChange(i: Post, event: any) {
 657     i.setState({
 658       commentViewType: Number(event.target.value),
 659       commentSort: "New",
 660     });
 661   }
 662
 663   handleShowSidebarMobile(i: Post) {
 664     i.setState({ showSidebarMobile: !i.state.showSidebarMobile });
 665   }
 666
 667   handleViewPost(i: Post) {
 668     if (i.state.postRes.state == "success") {
 669       const id = i.state.postRes.data.post_view.post.id;
 670       i.context.router.history.push(`/post/${id}`);
 671     }
 672   }
 673
 674   handleViewContext(i: Post) {
 675     if (i.state.commentsRes.state == "success") {
 676       const parentId = getCommentParentId(
 677         i.state.commentsRes.data.comments.at(0)?.comment
 678       );
 679       if (parentId) {
 680         i.context.router.history.push(`/comment/${parentId}`);
 681       }
 682     }
 683   }
 684
 685   async handleDeleteCommunityClick(form: DeleteCommunity) {
 686     const deleteCommunityRes = await HttpService.client.deleteCommunity(form);
 687     this.updateCommunity(deleteCommunityRes);
 688   }
 689
 690   async handleAddModToCommunity(form: AddModToCommunity) {
 691     const addModRes = await HttpService.client.addModToCommunity(form);
 692     this.updateModerators(addModRes);
 693   }
 694
 695   async handleFollow(form: FollowCommunity) {
 696     const followCommunityRes = await HttpService.client.followCommunity(form);
 697     this.updateCommunity(followCommunityRes);
 698
 699     // Update myUserInfo
 700     if (followCommunityRes.state === "success") {
 701       const communityId = followCommunityRes.data.community_view.community.id;
 702       const mui = UserService.Instance.myUserInfo;
 703       if (mui) {
 704         mui.follows = mui.follows.filter(i => i.community.id != communityId);
 705       }
 706     }
 707   }
 708
 709   async handlePurgeCommunity(form: PurgeCommunity) {
 710     const purgeCommunityRes = await HttpService.client.purgeCommunity(form);
 711     this.purgeItem(purgeCommunityRes);
 712   }
 713
 714   async handlePurgePerson(form: PurgePerson) {
 715     const purgePersonRes = await HttpService.client.purgePerson(form);
 716     this.purgeItem(purgePersonRes);
 717   }
 718
 719   async handlePurgeComment(form: PurgeComment) {
 720     const purgeCommentRes = await HttpService.client.purgeComment(form);
 721     this.purgeItem(purgeCommentRes);
 722   }
 723
 724   async handlePurgePost(form: PurgePost) {
 725     const purgeRes = await HttpService.client.purgePost(form);
 726     this.purgeItem(purgeRes);
 727   }
 728
 729   async handleBlockCommunity(form: BlockCommunity) {
 730     const blockCommunityRes = await HttpService.client.blockCommunity(form);
 731     if (blockCommunityRes.state == "success") {
 732       updateCommunityBlock(blockCommunityRes.data);
 733       this.setState(s => {
 734         if (s.postRes.state == "success") {
 735           s.postRes.data.community_view.blocked =
 736             blockCommunityRes.data.blocked;
 737         }
 738       });
 739     }
 740   }
 741
 742   async handleBlockPerson(form: BlockPerson) {
 743     const blockPersonRes = await HttpService.client.blockPerson(form);
 744     if (blockPersonRes.state == "success") {
 745       updatePersonBlock(blockPersonRes.data);
 746     }
 747   }
 748
 749   async handleModRemoveCommunity(form: RemoveCommunity) {
 750     const removeCommunityRes = await HttpService.client.removeCommunity(form);
 751     this.updateCommunity(removeCommunityRes);
 752   }
 753
 754   async handleEditCommunity(form: EditCommunity) {
 755     const res = await HttpService.client.editCommunity(form);
 756     this.updateCommunity(res);
 757
 758     return res;
 759   }
 760
 761   async handleCreateComment(form: CreateComment) {
 762     const createCommentRes = await HttpService.client.createComment(form);
 763     this.createAndUpdateComments(createCommentRes);
 764
 765     return createCommentRes;
 766   }
 767
 768   async handleEditComment(form: EditComment) {
 769     const editCommentRes = await HttpService.client.editComment(form);
 770     this.findAndUpdateComment(editCommentRes);
 771
 772     return editCommentRes;
 773   }
 774
 775   async handleDeleteComment(form: DeleteComment) {
 776     const deleteCommentRes = await HttpService.client.deleteComment(form);
 777     this.findAndUpdateComment(deleteCommentRes);
 778   }
 779
 780   async handleDeletePost(form: DeletePost) {
 781     const deleteRes = await HttpService.client.deletePost(form);
 782     this.updatePost(deleteRes);
 783   }
 784
 785   async handleRemovePost(form: RemovePost) {
 786     const removeRes = await HttpService.client.removePost(form);
 787     this.updatePost(removeRes);
 788   }
 789
 790   async handleRemoveComment(form: RemoveComment) {
 791     const removeCommentRes = await HttpService.client.removeComment(form);
 792     this.findAndUpdateComment(removeCommentRes);
 793   }
 794
 795   async handleSaveComment(form: SaveComment) {
 796     const saveCommentRes = await HttpService.client.saveComment(form);
 797     this.findAndUpdateComment(saveCommentRes);
 798   }
 799
 800   async handleSavePost(form: SavePost) {
 801     const saveRes = await HttpService.client.savePost(form);
 802     this.updatePost(saveRes);
 803   }
 804
 805   async handleFeaturePost(form: FeaturePost) {
 806     const featureRes = await HttpService.client.featurePost(form);
 807     this.updatePost(featureRes);
 808   }
 809
 810   async handleCommentVote(form: CreateCommentLike) {
 811     const voteRes = await HttpService.client.likeComment(form);
 812     this.findAndUpdateComment(voteRes);
 813   }
 814
 815   async handlePostVote(form: CreatePostLike) {
 816     const voteRes = await HttpService.client.likePost(form);
 817     this.updatePost(voteRes);
 818   }
 819
 820   async handlePostEdit(form: EditPost) {
 821     const res = await HttpService.client.editPost(form);
 822     this.updatePost(res);
 823   }
 824
 825   async handleCommentReport(form: CreateCommentReport) {
 826     const reportRes = await HttpService.client.createCommentReport(form);
 827     if (reportRes.state == "success") {
 828       toast(i18n.t("report_created"));
 829     }
 830   }
 831
 832   async handlePostReport(form: CreatePostReport) {
 833     const reportRes = await HttpService.client.createPostReport(form);
 834     if (reportRes.state == "success") {
 835       toast(i18n.t("report_created"));
 836     }
 837   }
 838
 839   async handleLockPost(form: LockPost) {
 840     const lockRes = await HttpService.client.lockPost(form);
 841     this.updatePost(lockRes);
 842   }
 843
 844   async handleDistinguishComment(form: DistinguishComment) {
 845     const distinguishRes = await HttpService.client.distinguishComment(form);
 846     this.findAndUpdateComment(distinguishRes);
 847   }
 848
 849   async handleAddAdmin(form: AddAdmin) {
 850     const addAdminRes = await HttpService.client.addAdmin(form);
 851
 852     if (addAdminRes.state === "success") {
 853       this.setState(s => ((s.siteRes.admins = addAdminRes.data.admins), s));
 854     }
 855   }
 856
 857   async handleTransferCommunity(form: TransferCommunity) {
 858     const transferCommunityRes = await HttpService.client.transferCommunity(
 859       form
 860     );
 861     this.updateCommunityFull(transferCommunityRes);
 862   }
 863
 864   async handleFetchChildren(form: GetComments) {
 865     const moreCommentsRes = await HttpService.client.getComments(form);
 866     if (
 867       this.state.commentsRes.state == "success" &&
 868       moreCommentsRes.state == "success"
 869     ) {
 870       const newComments = moreCommentsRes.data.comments;
 871       // Remove the first comment, since it is the parent
 872       newComments.shift();
 873       const newRes = this.state.commentsRes;
 874       newRes.data.comments.push(...newComments);
 875       this.setState({ commentsRes: newRes });
 876     }
 877   }
 878
 879   async handleCommentReplyRead(form: MarkCommentReplyAsRead) {
 880     const readRes = await HttpService.client.markCommentReplyAsRead(form);
 881     this.findAndUpdateCommentReply(readRes);
 882   }
 883
 884   async handlePersonMentionRead(form: MarkPersonMentionAsRead) {
 885     // TODO not sure what to do here. Maybe it is actually optional, because post doesn't need it.
 886     await HttpService.client.markPersonMentionAsRead(form);
 887   }
 888
 889   async handleBanFromCommunity(form: BanFromCommunity) {
 890     const banRes = await HttpService.client.banFromCommunity(form);
 891     this.updateBan(banRes);
 892   }
 893
 894   async handleBanPerson(form: BanPerson) {
 895     const banRes = await HttpService.client.banPerson(form);
 896     this.updateBan(banRes);
 897   }
 898
 899   updateBanFromCommunity(banRes: RequestState<BanFromCommunityResponse>) {
 900     // Maybe not necessary
 901     if (banRes.state == "success") {
 902       this.setState(s => {
 903         if (
 904           s.postRes.state == "success" &&
 905           s.postRes.data.post_view.creator.id ==
 906             banRes.data.person_view.person.id
 907         ) {
 908           s.postRes.data.post_view.creator_banned_from_community =
 909             banRes.data.banned;
 910         }
 911         if (s.commentsRes.state == "success") {
 912           s.commentsRes.data.comments
 913             .filter(c => c.creator.id == banRes.data.person_view.person.id)
 914             .forEach(
 915               c => (c.creator_banned_from_community = banRes.data.banned)
 916             );
 917         }
 918         return s;
 919       });
 920     }
 921   }
 922
 923   updateBan(banRes: RequestState<BanPersonResponse>) {
 924     // Maybe not necessary
 925     if (banRes.state == "success") {
 926       this.setState(s => {
 927         if (
 928           s.postRes.state == "success" &&
 929           s.postRes.data.post_view.creator.id ==
 930             banRes.data.person_view.person.id
 931         ) {
 932           s.postRes.data.post_view.creator.banned = banRes.data.banned;
 933         }
 934         if (s.commentsRes.state == "success") {
 935           s.commentsRes.data.comments
 936             .filter(c => c.creator.id == banRes.data.person_view.person.id)
 937             .forEach(c => (c.creator.banned = banRes.data.banned));
 938         }
 939         return s;
 940       });
 941     }
 942   }
 943
 944   updateCommunity(communityRes: RequestState<CommunityResponse>) {
 945     this.setState(s => {
 946       if (s.postRes.state == "success" && communityRes.state == "success") {
 947         s.postRes.data.community_view = communityRes.data.community_view;
 948       }
 949       return s;
 950     });
 951   }
 952
 953   updateCommunityFull(res: RequestState<GetCommunityResponse>) {
 954     this.setState(s => {
 955       if (s.postRes.state == "success" && res.state == "success") {
 956         s.postRes.data.community_view = res.data.community_view;
 957         s.postRes.data.moderators = res.data.moderators;
 958       }
 959       return s;
 960     });
 961   }
 962
 963   updatePost(post: RequestState<PostResponse>) {
 964     this.setState(s => {
 965       if (s.postRes.state == "success" && post.state == "success") {
 966         s.postRes.data.post_view = post.data.post_view;
 967       }
 968       return s;
 969     });
 970   }
 971
 972   purgeItem(purgeRes: RequestState<PurgeItemResponse>) {
 973     if (purgeRes.state == "success") {
 974       toast(i18n.t("purge_success"));
 975       this.context.router.history.push(`/`);
 976     }
 977   }
 978
 979   createAndUpdateComments(res: RequestState<CommentResponse>) {
 980     this.setState(s => {
 981       if (s.commentsRes.state === "success" && res.state === "success") {
 982         s.commentsRes.data.comments.unshift(res.data.comment_view);
 983
 984         // Set finished for the parent
 985         s.finished.set(
 986           getCommentParentId(res.data.comment_view.comment) ?? 0,
 987           true
 988         );
 989       }
 990       return s;
 991     });
 992   }
 993
 994   findAndUpdateComment(res: RequestState<CommentResponse>) {
 995     this.setState(s => {
 996       if (s.commentsRes.state == "success" && res.state == "success") {
 997         s.commentsRes.data.comments = editComment(
 998           res.data.comment_view,
 999           s.commentsRes.data.comments
1000         );
1001         s.finished.set(res.data.comment_view.comment.id, true);
1002       }
1003       return s;
1004     });
1005   }
1006
1007   findAndUpdateCommentReply(res: RequestState<CommentReplyResponse>) {
1008     this.setState(s => {
1009       if (s.commentsRes.state == "success" && res.state == "success") {
1010         s.commentsRes.data.comments = editWith(
1011           res.data.comment_reply_view,
1012           s.commentsRes.data.comments
1013         );
1014       }
1015       return s;
1016     });
1017   }
1018
1019   updateModerators(res: RequestState<AddModToCommunityResponse>) {
1020     // Update the moderators
1021     this.setState(s => {
1022       if (s.postRes.state == "success" && res.state == "success") {
1023         s.postRes.data.moderators = res.data.moderators;
1024       }
1025       return s;
1026     });
1027   }
1028 }