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   RouteDataResponse,
  81   saveScrollPosition,
  82   setIsoData,
  83   setupTippy,
  84   toast,
  85   updateCommunityBlock,
  86   updatePersonBlock,
  87 } from "../../utils";
  88 import { CommentForm } from "../comment/comment-form";
  89 import { CommentNodes } from "../comment/comment-nodes";
  90 import { HtmlTags } from "../common/html-tags";
  91 import { Icon, Spinner } from "../common/icon";
  92 import { Sidebar } from "../community/sidebar";
  93 import { PostListing } from "./post-listing";
  94
  95 const commentsShownInterval = 15;
  96
  97 type PostData = RouteDataResponse<{
  98   postRes: GetPostResponse;
  99   commentsRes: GetCommentsResponse;
 100 }>;
 101
 102 interface PostState {
 103   postId?: number;
 104   commentId?: number;
 105   postRes: RequestState<GetPostResponse>;
 106   commentsRes: RequestState<GetCommentsResponse>;
 107   commentSort: CommentSortType;
 108   commentViewType: CommentViewType;
 109   scrolled?: boolean;
 110   siteRes: GetSiteResponse;
 111   commentSectionRef?: RefObject<HTMLDivElement>;
 112   showSidebarMobile: boolean;
 113   maxCommentsShown: number;
 114   finished: Map<CommentId, boolean | undefined>;
 115   isIsomorphic: boolean;
 116 }
 117
 118 export class Post extends Component<any, PostState> {
 119   private isoData = setIsoData<PostData>(this.context);
 120   private commentScrollDebounced: () => void;
 121   state: PostState = {
 122     postRes: { state: "empty" },
 123     commentsRes: { state: "empty" },
 124     postId: getIdFromProps(this.props),
 125     commentId: getCommentIdFromProps(this.props),
 126     commentSort: "Hot",
 127     commentViewType: CommentViewType.Tree,
 128     scrolled: false,
 129     siteRes: this.isoData.site_res,
 130     showSidebarMobile: false,
 131     maxCommentsShown: commentsShownInterval,
 132     finished: new Map(),
 133     isIsomorphic: false,
 134   };
 135
 136   constructor(props: any, context: any) {
 137     super(props, context);
 138
 139     this.handleDeleteCommunityClick =
 140       this.handleDeleteCommunityClick.bind(this);
 141     this.handleEditCommunity = this.handleEditCommunity.bind(this);
 142     this.handleFollow = this.handleFollow.bind(this);
 143     this.handleModRemoveCommunity = this.handleModRemoveCommunity.bind(this);
 144     this.handleCreateComment = this.handleCreateComment.bind(this);
 145     this.handleEditComment = this.handleEditComment.bind(this);
 146     this.handleSaveComment = this.handleSaveComment.bind(this);
 147     this.handleBlockCommunity = this.handleBlockCommunity.bind(this);
 148     this.handleBlockPerson = this.handleBlockPerson.bind(this);
 149     this.handleDeleteComment = this.handleDeleteComment.bind(this);
 150     this.handleRemoveComment = this.handleRemoveComment.bind(this);
 151     this.handleCommentVote = this.handleCommentVote.bind(this);
 152     this.handleAddModToCommunity = this.handleAddModToCommunity.bind(this);
 153     this.handleAddAdmin = this.handleAddAdmin.bind(this);
 154     this.handlePurgePerson = this.handlePurgePerson.bind(this);
 155     this.handlePurgeComment = this.handlePurgeComment.bind(this);
 156     this.handleCommentReport = this.handleCommentReport.bind(this);
 157     this.handleDistinguishComment = this.handleDistinguishComment.bind(this);
 158     this.handleTransferCommunity = this.handleTransferCommunity.bind(this);
 159     this.handleFetchChildren = this.handleFetchChildren.bind(this);
 160     this.handleCommentReplyRead = this.handleCommentReplyRead.bind(this);
 161     this.handlePersonMentionRead = this.handlePersonMentionRead.bind(this);
 162     this.handleBanFromCommunity = this.handleBanFromCommunity.bind(this);
 163     this.handleBanPerson = this.handleBanPerson.bind(this);
 164     this.handlePostEdit = this.handlePostEdit.bind(this);
 165     this.handlePostVote = this.handlePostVote.bind(this);
 166     this.handlePostReport = this.handlePostReport.bind(this);
 167     this.handleLockPost = this.handleLockPost.bind(this);
 168     this.handleDeletePost = this.handleDeletePost.bind(this);
 169     this.handleRemovePost = this.handleRemovePost.bind(this);
 170     this.handleSavePost = this.handleSavePost.bind(this);
 171     this.handlePurgePost = this.handlePurgePost.bind(this);
 172     this.handleFeaturePost = this.handleFeaturePost.bind(this);
 173
 174     this.state = { ...this.state, commentSectionRef: createRef() };
 175
 176     // Only fetch the data if coming from another route
 177     if (FirstLoadService.isFirstLoad) {
 178       const { commentsRes, postRes } = this.isoData.routeData;
 179
 180       this.state = {
 181         ...this.state,
 182         postRes,
 183         commentsRes,
 184         isIsomorphic: true,
 185       };
 186
 187       if (isBrowser()) {
 188         if (this.checkScrollIntoCommentsParam) {
 189           this.scrollIntoCommentSection();
 190         }
 191       }
 192     }
 193   }
 194
 195   async fetchPost() {
 196     this.setState({
 197       postRes: { state: "loading" },
 198       commentsRes: { state: "loading" },
 199     });
 200
 201     const auth = myAuth();
 202
 203     this.setState({
 204       postRes: await HttpService.client.getPost({
 205         id: this.state.postId,
 206         comment_id: this.state.commentId,
 207         auth,
 208       }),
 209       commentsRes: await HttpService.client.getComments({
 210         post_id: this.state.postId,
 211         parent_id: this.state.commentId,
 212         max_depth: commentTreeMaxDepth,
 213         sort: this.state.commentSort,
 214         type_: "All",
 215         saved_only: false,
 216         auth,
 217       }),
 218     });
 219
 220     setupTippy();
 221
 222     if (!this.state.commentId) restoreScrollPosition(this.context);
 223
 224     if (this.checkScrollIntoCommentsParam) {
 225       this.scrollIntoCommentSection();
 226     }
 227   }
 228
 229   static async fetchInitialData({
 230     client,
 231     path,
 232     auth,
 233   }: InitialFetchRequest): Promise<PostData> {
 234     const pathSplit = path.split("/");
 235
 236     const pathType = pathSplit.at(1);
 237     const id = pathSplit.at(2) ? Number(pathSplit.at(2)) : undefined;
 238
 239     const postForm: GetPost = {
 240       auth,
 241     };
 242
 243     const commentsForm: GetComments = {
 244       max_depth: commentTreeMaxDepth,
 245       sort: "Hot",
 246       type_: "All",
 247       saved_only: false,
 248       auth,
 249     };
 250
 251     // Set the correct id based on the path type
 252     if (pathType === "post") {
 253       postForm.id = id;
 254       commentsForm.post_id = id;
 255     } else {
 256       postForm.comment_id = id;
 257       commentsForm.parent_id = id;
 258     }
 259
 260     return {
 261       postRes: await client.getPost(postForm),
 262       commentsRes: await client.getComments(commentsForm),
 263     };
 264   }
 265
 266   componentWillUnmount() {
 267     document.removeEventListener("scroll", this.commentScrollDebounced);
 268
 269     saveScrollPosition(this.context);
 270   }
 271
 272   async componentDidMount() {
 273     if (!this.state.isIsomorphic) {
 274       await this.fetchPost();
 275     }
 276
 277     autosize(document.querySelectorAll("textarea"));
 278
 279     this.commentScrollDebounced = debounce(this.trackCommentsBoxScrolling, 100);
 280     document.addEventListener("scroll", this.commentScrollDebounced);
 281   }
 282
 283   async componentDidUpdate(_lastProps: any) {
 284     // Necessary if you are on a post and you click another post (same route)
 285     if (_lastProps.location.pathname !== _lastProps.history.location.pathname) {
 286       await this.fetchPost();
 287     }
 288   }
 289
 290   get checkScrollIntoCommentsParam() {
 291     return Boolean(
 292       new URLSearchParams(this.props.location.search).get("scrollToComments")
 293     );
 294   }
 295
 296   scrollIntoCommentSection() {
 297     this.state.commentSectionRef?.current?.scrollIntoView();
 298   }
 299
 300   isBottom(el: Element): boolean {
 301     return el?.getBoundingClientRect().bottom <= window.innerHeight;
 302   }
 303
 304   /**
 305    * Shows new comments when scrolling to the bottom of the comments div
 306    */
 307   trackCommentsBoxScrolling = () => {
 308     const wrappedElement = document.getElementsByClassName("comments")[0];
 309     if (wrappedElement && this.isBottom(wrappedElement)) {
 310       const commentCount =
 311         this.state.commentsRes.state == "success"
 312           ? this.state.commentsRes.data.comments.length
 313           : 0;
 314
 315       if (this.state.maxCommentsShown < commentCount) {
 316         this.setState({
 317           maxCommentsShown: this.state.maxCommentsShown + commentsShownInterval,
 318         });
 319       }
 320     }
 321   };
 322
 323   get documentTitle(): string {
 324     const siteName = this.state.siteRes.site_view.site.name;
 325     return this.state.postRes.state == "success"
 326       ? `${this.state.postRes.data.post_view.post.name} - ${siteName}`
 327       : siteName;
 328   }
 329
 330   get imageTag(): string | undefined {
 331     if (this.state.postRes.state == "success") {
 332       const post = this.state.postRes.data.post_view.post;
 333       const thumbnail = post.thumbnail_url;
 334       const url = post.url;
 335       return thumbnail || (url && isImage(url) ? url : undefined);
 336     } else return undefined;
 337   }
 338
 339   renderPostRes() {
 340     switch (this.state.postRes.state) {
 341       case "loading":
 342         return (
 343           <h5>
 344             <Spinner large />
 345           </h5>
 346         );
 347       case "success": {
 348         const res = this.state.postRes.data;
 349         return (
 350           <div className="row">
 351             <div className="col-12 col-md-8 mb-3">
 352               <HtmlTags
 353                 title={this.documentTitle}
 354                 path={this.context.router.route.match.url}
 355                 image={this.imageTag}
 356                 description={res.post_view.post.body}
 357               />
 358               <PostListing
 359                 post_view={res.post_view}
 360                 crossPosts={res.cross_posts}
 361                 showBody
 362                 showCommunity
 363                 moderators={res.moderators}
 364                 admins={this.state.siteRes.admins}
 365                 enableDownvotes={enableDownvotes(this.state.siteRes)}
 366                 enableNsfw={enableNsfw(this.state.siteRes)}
 367                 allLanguages={this.state.siteRes.all_languages}
 368                 siteLanguages={this.state.siteRes.discussion_languages}
 369                 onBlockPerson={this.handleBlockPerson}
 370                 onPostEdit={this.handlePostEdit}
 371                 onPostVote={this.handlePostVote}
 372                 onPostReport={this.handlePostReport}
 373                 onLockPost={this.handleLockPost}
 374                 onDeletePost={this.handleDeletePost}
 375                 onRemovePost={this.handleRemovePost}
 376                 onSavePost={this.handleSavePost}
 377                 onPurgePerson={this.handlePurgePerson}
 378                 onPurgePost={this.handlePurgePost}
 379                 onBanPerson={this.handleBanPerson}
 380                 onBanPersonFromCommunity={this.handleBanFromCommunity}
 381                 onAddModToCommunity={this.handleAddModToCommunity}
 382                 onAddAdmin={this.handleAddAdmin}
 383                 onTransferCommunity={this.handleTransferCommunity}
 384                 onFeaturePost={this.handleFeaturePost}
 385               />
 386               <div ref={this.state.commentSectionRef} className="mb-2" />
 387               <CommentForm
 388                 node={res.post_view.post.id}
 389                 disabled={res.post_view.post.locked}
 390                 allLanguages={this.state.siteRes.all_languages}
 391                 siteLanguages={this.state.siteRes.discussion_languages}
 392                 onUpsertComment={this.handleCreateComment}
 393                 finished={this.state.finished.get(0)}
 394               />
 395               <div className="d-block d-md-none">
 396                 <button
 397                   className="btn btn-secondary d-inline-block mb-2 mr-3"
 398                   onClick={linkEvent(this, this.handleShowSidebarMobile)}
 399                 >
 400                   {i18n.t("sidebar")}{" "}
 401                   <Icon
 402                     icon={
 403                       this.state.showSidebarMobile
 404                         ? `minus-square`
 405                         : `plus-square`
 406                     }
 407                     classes="icon-inline"
 408                   />
 409                 </button>
 410                 {this.state.showSidebarMobile && this.sidebar()}
 411               </div>
 412               {this.sortRadios()}
 413               {this.state.commentViewType == CommentViewType.Tree &&
 414                 this.commentsTree()}
 415               {this.state.commentViewType == CommentViewType.Flat &&
 416                 this.commentsFlat()}
 417             </div>
 418             <div className="d-none d-md-block col-md-4">{this.sidebar()}</div>
 419           </div>
 420         );
 421       }
 422     }
 423   }
 424
 425   render() {
 426     return <div className="container-lg">{this.renderPostRes()}</div>;
 427   }
 428
 429   sortRadios() {
 430     return (
 431       <>
 432         <div className="btn-group btn-group-toggle flex-wrap mr-3 mb-2">
 433           <label
 434             className={`btn btn-outline-secondary pointer ${
 435               this.state.commentSort === "Hot" && "active"
 436             }`}
 437           >
 438             {i18n.t("hot")}
 439             <input
 440               type="radio"
 441               value={"Hot"}
 442               checked={this.state.commentSort === "Hot"}
 443               onChange={linkEvent(this, this.handleCommentSortChange)}
 444             />
 445           </label>
 446           <label
 447             className={`btn btn-outline-secondary pointer ${
 448               this.state.commentSort === "Top" && "active"
 449             }`}
 450           >
 451             {i18n.t("top")}
 452             <input
 453               type="radio"
 454               value={"Top"}
 455               checked={this.state.commentSort === "Top"}
 456               onChange={linkEvent(this, this.handleCommentSortChange)}
 457             />
 458           </label>
 459           <label
 460             className={`btn btn-outline-secondary pointer ${
 461               this.state.commentSort === "New" && "active"
 462             }`}
 463           >
 464             {i18n.t("new")}
 465             <input
 466               type="radio"
 467               value={"New"}
 468               checked={this.state.commentSort === "New"}
 469               onChange={linkEvent(this, this.handleCommentSortChange)}
 470             />
 471           </label>
 472           <label
 473             className={`btn btn-outline-secondary pointer ${
 474               this.state.commentSort === "Old" && "active"
 475             }`}
 476           >
 477             {i18n.t("old")}
 478             <input
 479               type="radio"
 480               value={"Old"}
 481               checked={this.state.commentSort === "Old"}
 482               onChange={linkEvent(this, this.handleCommentSortChange)}
 483             />
 484           </label>
 485         </div>
 486         <div className="btn-group btn-group-toggle flex-wrap mb-2">
 487           <label
 488             className={`btn btn-outline-secondary pointer ${
 489               this.state.commentViewType === CommentViewType.Flat && "active"
 490             }`}
 491           >
 492             {i18n.t("chat")}
 493             <input
 494               type="radio"
 495               value={CommentViewType.Flat}
 496               checked={this.state.commentViewType === CommentViewType.Flat}
 497               onChange={linkEvent(this, this.handleCommentViewTypeChange)}
 498             />
 499           </label>
 500         </div>
 501       </>
 502     );
 503   }
 504
 505   commentsFlat() {
 506     // These are already sorted by new
 507     const commentsRes = this.state.commentsRes;
 508     const postRes = this.state.postRes;
 509
 510     if (commentsRes.state == "success" && postRes.state == "success") {
 511       return (
 512         <div>
 513           <CommentNodes
 514             nodes={commentsToFlatNodes(commentsRes.data.comments)}
 515             viewType={this.state.commentViewType}
 516             maxCommentsShown={this.state.maxCommentsShown}
 517             noIndent
 518             locked={postRes.data.post_view.post.locked}
 519             moderators={postRes.data.moderators}
 520             admins={this.state.siteRes.admins}
 521             enableDownvotes={enableDownvotes(this.state.siteRes)}
 522             showContext
 523             finished={this.state.finished}
 524             allLanguages={this.state.siteRes.all_languages}
 525             siteLanguages={this.state.siteRes.discussion_languages}
 526             onSaveComment={this.handleSaveComment}
 527             onBlockPerson={this.handleBlockPerson}
 528             onDeleteComment={this.handleDeleteComment}
 529             onRemoveComment={this.handleRemoveComment}
 530             onCommentVote={this.handleCommentVote}
 531             onCommentReport={this.handleCommentReport}
 532             onDistinguishComment={this.handleDistinguishComment}
 533             onAddModToCommunity={this.handleAddModToCommunity}
 534             onAddAdmin={this.handleAddAdmin}
 535             onTransferCommunity={this.handleTransferCommunity}
 536             onFetchChildren={this.handleFetchChildren}
 537             onPurgeComment={this.handlePurgeComment}
 538             onPurgePerson={this.handlePurgePerson}
 539             onCommentReplyRead={this.handleCommentReplyRead}
 540             onPersonMentionRead={this.handlePersonMentionRead}
 541             onBanPersonFromCommunity={this.handleBanFromCommunity}
 542             onBanPerson={this.handleBanPerson}
 543             onCreateComment={this.handleCreateComment}
 544             onEditComment={this.handleEditComment}
 545           />
 546         </div>
 547       );
 548     }
 549   }
 550
 551   sidebar() {
 552     const res = this.state.postRes;
 553     if (res.state === "success") {
 554       return (
 555         <div className="mb-3">
 556           <Sidebar
 557             community_view={res.data.community_view}
 558             moderators={res.data.moderators}
 559             admins={this.state.siteRes.admins}
 560             enableNsfw={enableNsfw(this.state.siteRes)}
 561             showIcon
 562             allLanguages={this.state.siteRes.all_languages}
 563             siteLanguages={this.state.siteRes.discussion_languages}
 564             onDeleteCommunity={this.handleDeleteCommunityClick}
 565             onLeaveModTeam={this.handleAddModToCommunity}
 566             onFollowCommunity={this.handleFollow}
 567             onRemoveCommunity={this.handleModRemoveCommunity}
 568             onPurgeCommunity={this.handlePurgeCommunity}
 569             onBlockCommunity={this.handleBlockCommunity}
 570             onEditCommunity={this.handleEditCommunity}
 571           />
 572         </div>
 573       );
 574     }
 575   }
 576
 577   commentsTree() {
 578     const res = this.state.postRes;
 579     const firstComment = this.commentTree().at(0)?.comment_view.comment;
 580     const depth = getDepthFromComment(firstComment);
 581     const showContextButton = depth ? depth > 0 : false;
 582
 583     return (
 584       res.state == "success" && (
 585         <div>
 586           {!!this.state.commentId && (
 587             <>
 588               <button
 589                 className="pl-0 d-block btn btn-link text-muted"
 590                 onClick={linkEvent(this, this.handleViewPost)}
 591               >
 592                 {i18n.t("view_all_comments")} ➔
 593               </button>
 594               {showContextButton && (
 595                 <button
 596                   className="pl-0 d-block btn btn-link text-muted"
 597                   onClick={linkEvent(this, this.handleViewContext)}
 598                 >
 599                   {i18n.t("show_context")} ➔
 600                 </button>
 601               )}
 602             </>
 603           )}
 604           <CommentNodes
 605             nodes={this.commentTree()}
 606             viewType={this.state.commentViewType}
 607             maxCommentsShown={this.state.maxCommentsShown}
 608             locked={res.data.post_view.post.locked}
 609             moderators={res.data.moderators}
 610             admins={this.state.siteRes.admins}
 611             enableDownvotes={enableDownvotes(this.state.siteRes)}
 612             finished={this.state.finished}
 613             allLanguages={this.state.siteRes.all_languages}
 614             siteLanguages={this.state.siteRes.discussion_languages}
 615             onSaveComment={this.handleSaveComment}
 616             onBlockPerson={this.handleBlockPerson}
 617             onDeleteComment={this.handleDeleteComment}
 618             onRemoveComment={this.handleRemoveComment}
 619             onCommentVote={this.handleCommentVote}
 620             onCommentReport={this.handleCommentReport}
 621             onDistinguishComment={this.handleDistinguishComment}
 622             onAddModToCommunity={this.handleAddModToCommunity}
 623             onAddAdmin={this.handleAddAdmin}
 624             onTransferCommunity={this.handleTransferCommunity}
 625             onFetchChildren={this.handleFetchChildren}
 626             onPurgeComment={this.handlePurgeComment}
 627             onPurgePerson={this.handlePurgePerson}
 628             onCommentReplyRead={this.handleCommentReplyRead}
 629             onPersonMentionRead={this.handlePersonMentionRead}
 630             onBanPersonFromCommunity={this.handleBanFromCommunity}
 631             onBanPerson={this.handleBanPerson}
 632             onCreateComment={this.handleCreateComment}
 633             onEditComment={this.handleEditComment}
 634           />
 635         </div>
 636       )
 637     );
 638   }
 639
 640   commentTree(): CommentNodeI[] {
 641     if (this.state.commentsRes.state == "success") {
 642       return buildCommentsTree(
 643         this.state.commentsRes.data.comments,
 644         !!this.state.commentId
 645       );
 646     } else {
 647       return [];
 648     }
 649   }
 650
 651   async handleCommentSortChange(i: Post, event: any) {
 652     i.setState({
 653       commentSort: event.target.value as CommentSortType,
 654       commentViewType: CommentViewType.Tree,
 655       commentsRes: { state: "loading" },
 656       postRes: { state: "loading" },
 657     });
 658     await i.fetchPost();
 659   }
 660
 661   handleCommentViewTypeChange(i: Post, event: any) {
 662     i.setState({
 663       commentViewType: Number(event.target.value),
 664       commentSort: "New",
 665     });
 666   }
 667
 668   handleShowSidebarMobile(i: Post) {
 669     i.setState({ showSidebarMobile: !i.state.showSidebarMobile });
 670   }
 671
 672   handleViewPost(i: Post) {
 673     if (i.state.postRes.state == "success") {
 674       const id = i.state.postRes.data.post_view.post.id;
 675       i.context.router.history.push(`/post/${id}`);
 676     }
 677   }
 678
 679   handleViewContext(i: Post) {
 680     if (i.state.commentsRes.state == "success") {
 681       const parentId = getCommentParentId(
 682         i.state.commentsRes.data.comments.at(0)?.comment
 683       );
 684       if (parentId) {
 685         i.context.router.history.push(`/comment/${parentId}`);
 686       }
 687     }
 688   }
 689
 690   async handleDeleteCommunityClick(form: DeleteCommunity) {
 691     const deleteCommunityRes = await HttpService.client.deleteCommunity(form);
 692     this.updateCommunity(deleteCommunityRes);
 693   }
 694
 695   async handleAddModToCommunity(form: AddModToCommunity) {
 696     const addModRes = await HttpService.client.addModToCommunity(form);
 697     this.updateModerators(addModRes);
 698   }
 699
 700   async handleFollow(form: FollowCommunity) {
 701     const followCommunityRes = await HttpService.client.followCommunity(form);
 702     this.updateCommunity(followCommunityRes);
 703
 704     // Update myUserInfo
 705     if (followCommunityRes.state === "success") {
 706       const communityId = followCommunityRes.data.community_view.community.id;
 707       const mui = UserService.Instance.myUserInfo;
 708       if (mui) {
 709         mui.follows = mui.follows.filter(i => i.community.id != communityId);
 710       }
 711     }
 712   }
 713
 714   async handlePurgeCommunity(form: PurgeCommunity) {
 715     const purgeCommunityRes = await HttpService.client.purgeCommunity(form);
 716     this.purgeItem(purgeCommunityRes);
 717   }
 718
 719   async handlePurgePerson(form: PurgePerson) {
 720     const purgePersonRes = await HttpService.client.purgePerson(form);
 721     this.purgeItem(purgePersonRes);
 722   }
 723
 724   async handlePurgeComment(form: PurgeComment) {
 725     const purgeCommentRes = await HttpService.client.purgeComment(form);
 726     this.purgeItem(purgeCommentRes);
 727   }
 728
 729   async handlePurgePost(form: PurgePost) {
 730     const purgeRes = await HttpService.client.purgePost(form);
 731     this.purgeItem(purgeRes);
 732   }
 733
 734   async handleBlockCommunity(form: BlockCommunity) {
 735     const blockCommunityRes = await HttpService.client.blockCommunity(form);
 736     if (blockCommunityRes.state == "success") {
 737       updateCommunityBlock(blockCommunityRes.data);
 738       this.setState(s => {
 739         if (s.postRes.state == "success") {
 740           s.postRes.data.community_view.blocked =
 741             blockCommunityRes.data.blocked;
 742         }
 743       });
 744     }
 745   }
 746
 747   async handleBlockPerson(form: BlockPerson) {
 748     const blockPersonRes = await HttpService.client.blockPerson(form);
 749     if (blockPersonRes.state == "success") {
 750       updatePersonBlock(blockPersonRes.data);
 751     }
 752   }
 753
 754   async handleModRemoveCommunity(form: RemoveCommunity) {
 755     const removeCommunityRes = await HttpService.client.removeCommunity(form);
 756     this.updateCommunity(removeCommunityRes);
 757   }
 758
 759   async handleEditCommunity(form: EditCommunity) {
 760     const res = await HttpService.client.editCommunity(form);
 761     this.updateCommunity(res);
 762
 763     return res;
 764   }
 765
 766   async handleCreateComment(form: CreateComment) {
 767     const createCommentRes = await HttpService.client.createComment(form);
 768     this.createAndUpdateComments(createCommentRes);
 769
 770     return createCommentRes;
 771   }
 772
 773   async handleEditComment(form: EditComment) {
 774     const editCommentRes = await HttpService.client.editComment(form);
 775     this.findAndUpdateComment(editCommentRes);
 776
 777     return editCommentRes;
 778   }
 779
 780   async handleDeleteComment(form: DeleteComment) {
 781     const deleteCommentRes = await HttpService.client.deleteComment(form);
 782     this.findAndUpdateComment(deleteCommentRes);
 783   }
 784
 785   async handleDeletePost(form: DeletePost) {
 786     const deleteRes = await HttpService.client.deletePost(form);
 787     this.updatePost(deleteRes);
 788   }
 789
 790   async handleRemovePost(form: RemovePost) {
 791     const removeRes = await HttpService.client.removePost(form);
 792     this.updatePost(removeRes);
 793   }
 794
 795   async handleRemoveComment(form: RemoveComment) {
 796     const removeCommentRes = await HttpService.client.removeComment(form);
 797     this.findAndUpdateComment(removeCommentRes);
 798   }
 799
 800   async handleSaveComment(form: SaveComment) {
 801     const saveCommentRes = await HttpService.client.saveComment(form);
 802     this.findAndUpdateComment(saveCommentRes);
 803   }
 804
 805   async handleSavePost(form: SavePost) {
 806     const saveRes = await HttpService.client.savePost(form);
 807     this.updatePost(saveRes);
 808   }
 809
 810   async handleFeaturePost(form: FeaturePost) {
 811     const featureRes = await HttpService.client.featurePost(form);
 812     this.updatePost(featureRes);
 813   }
 814
 815   async handleCommentVote(form: CreateCommentLike) {
 816     const voteRes = await HttpService.client.likeComment(form);
 817     this.findAndUpdateComment(voteRes);
 818   }
 819
 820   async handlePostVote(form: CreatePostLike) {
 821     const voteRes = await HttpService.client.likePost(form);
 822     this.updatePost(voteRes);
 823   }
 824
 825   async handlePostEdit(form: EditPost) {
 826     const res = await HttpService.client.editPost(form);
 827     this.updatePost(res);
 828   }
 829
 830   async handleCommentReport(form: CreateCommentReport) {
 831     const reportRes = await HttpService.client.createCommentReport(form);
 832     if (reportRes.state == "success") {
 833       toast(i18n.t("report_created"));
 834     }
 835   }
 836
 837   async handlePostReport(form: CreatePostReport) {
 838     const reportRes = await HttpService.client.createPostReport(form);
 839     if (reportRes.state == "success") {
 840       toast(i18n.t("report_created"));
 841     }
 842   }
 843
 844   async handleLockPost(form: LockPost) {
 845     const lockRes = await HttpService.client.lockPost(form);
 846     this.updatePost(lockRes);
 847   }
 848
 849   async handleDistinguishComment(form: DistinguishComment) {
 850     const distinguishRes = await HttpService.client.distinguishComment(form);
 851     this.findAndUpdateComment(distinguishRes);
 852   }
 853
 854   async handleAddAdmin(form: AddAdmin) {
 855     const addAdminRes = await HttpService.client.addAdmin(form);
 856
 857     if (addAdminRes.state === "success") {
 858       this.setState(s => ((s.siteRes.admins = addAdminRes.data.admins), s));
 859     }
 860   }
 861
 862   async handleTransferCommunity(form: TransferCommunity) {
 863     const transferCommunityRes = await HttpService.client.transferCommunity(
 864       form
 865     );
 866     this.updateCommunityFull(transferCommunityRes);
 867   }
 868
 869   async handleFetchChildren(form: GetComments) {
 870     const moreCommentsRes = await HttpService.client.getComments(form);
 871     if (
 872       this.state.commentsRes.state == "success" &&
 873       moreCommentsRes.state == "success"
 874     ) {
 875       const newComments = moreCommentsRes.data.comments;
 876       // Remove the first comment, since it is the parent
 877       newComments.shift();
 878       const newRes = this.state.commentsRes;
 879       newRes.data.comments.push(...newComments);
 880       this.setState({ commentsRes: newRes });
 881     }
 882   }
 883
 884   async handleCommentReplyRead(form: MarkCommentReplyAsRead) {
 885     const readRes = await HttpService.client.markCommentReplyAsRead(form);
 886     this.findAndUpdateCommentReply(readRes);
 887   }
 888
 889   async handlePersonMentionRead(form: MarkPersonMentionAsRead) {
 890     // TODO not sure what to do here. Maybe it is actually optional, because post doesn't need it.
 891     await HttpService.client.markPersonMentionAsRead(form);
 892   }
 893
 894   async handleBanFromCommunity(form: BanFromCommunity) {
 895     const banRes = await HttpService.client.banFromCommunity(form);
 896     this.updateBan(banRes);
 897   }
 898
 899   async handleBanPerson(form: BanPerson) {
 900     const banRes = await HttpService.client.banPerson(form);
 901     this.updateBan(banRes);
 902   }
 903
 904   updateBanFromCommunity(banRes: RequestState<BanFromCommunityResponse>) {
 905     // Maybe not necessary
 906     if (banRes.state == "success") {
 907       this.setState(s => {
 908         if (
 909           s.postRes.state == "success" &&
 910           s.postRes.data.post_view.creator.id ==
 911             banRes.data.person_view.person.id
 912         ) {
 913           s.postRes.data.post_view.creator_banned_from_community =
 914             banRes.data.banned;
 915         }
 916         if (s.commentsRes.state == "success") {
 917           s.commentsRes.data.comments
 918             .filter(c => c.creator.id == banRes.data.person_view.person.id)
 919             .forEach(
 920               c => (c.creator_banned_from_community = banRes.data.banned)
 921             );
 922         }
 923         return s;
 924       });
 925     }
 926   }
 927
 928   updateBan(banRes: RequestState<BanPersonResponse>) {
 929     // Maybe not necessary
 930     if (banRes.state == "success") {
 931       this.setState(s => {
 932         if (
 933           s.postRes.state == "success" &&
 934           s.postRes.data.post_view.creator.id ==
 935             banRes.data.person_view.person.id
 936         ) {
 937           s.postRes.data.post_view.creator.banned = banRes.data.banned;
 938         }
 939         if (s.commentsRes.state == "success") {
 940           s.commentsRes.data.comments
 941             .filter(c => c.creator.id == banRes.data.person_view.person.id)
 942             .forEach(c => (c.creator.banned = banRes.data.banned));
 943         }
 944         return s;
 945       });
 946     }
 947   }
 948
 949   updateCommunity(communityRes: RequestState<CommunityResponse>) {
 950     this.setState(s => {
 951       if (s.postRes.state == "success" && communityRes.state == "success") {
 952         s.postRes.data.community_view = communityRes.data.community_view;
 953       }
 954       return s;
 955     });
 956   }
 957
 958   updateCommunityFull(res: RequestState<GetCommunityResponse>) {
 959     this.setState(s => {
 960       if (s.postRes.state == "success" && res.state == "success") {
 961         s.postRes.data.community_view = res.data.community_view;
 962         s.postRes.data.moderators = res.data.moderators;
 963       }
 964       return s;
 965     });
 966   }
 967
 968   updatePost(post: RequestState<PostResponse>) {
 969     this.setState(s => {
 970       if (s.postRes.state == "success" && post.state == "success") {
 971         s.postRes.data.post_view = post.data.post_view;
 972       }
 973       return s;
 974     });
 975   }
 976
 977   purgeItem(purgeRes: RequestState<PurgeItemResponse>) {
 978     if (purgeRes.state == "success") {
 979       toast(i18n.t("purge_success"));
 980       this.context.router.history.push(`/`);
 981     }
 982   }
 983
 984   createAndUpdateComments(res: RequestState<CommentResponse>) {
 985     this.setState(s => {
 986       if (s.commentsRes.state === "success" && res.state === "success") {
 987         s.commentsRes.data.comments.unshift(res.data.comment_view);
 988
 989         // Set finished for the parent
 990         s.finished.set(
 991           getCommentParentId(res.data.comment_view.comment) ?? 0,
 992           true
 993         );
 994       }
 995       return s;
 996     });
 997   }
 998
 999   findAndUpdateComment(res: RequestState<CommentResponse>) {
1000     this.setState(s => {
1001       if (s.commentsRes.state == "success" && res.state == "success") {
1002         s.commentsRes.data.comments = editComment(
1003           res.data.comment_view,
1004           s.commentsRes.data.comments
1005         );
1006         s.finished.set(res.data.comment_view.comment.id, true);
1007       }
1008       return s;
1009     });
1010   }
1011
1012   findAndUpdateCommentReply(res: RequestState<CommentReplyResponse>) {
1013     this.setState(s => {
1014       if (s.commentsRes.state == "success" && res.state == "success") {
1015         s.commentsRes.data.comments = editWith(
1016           res.data.comment_reply_view,
1017           s.commentsRes.data.comments
1018         );
1019       }
1020       return s;
1021     });
1022   }
1023
1024   updateModerators(res: RequestState<AddModToCommunityResponse>) {
1025     // Update the moderators
1026     this.setState(s => {
1027       if (s.postRes.state == "success" && res.state == "success") {
1028         s.postRes.data.moderators = res.data.moderators;
1029       }
1030       return s;
1031     });
1032   }
1033 }