src/shared/components/post/post.tsx

   1 import {
   2   buildCommentsTree,
   3   commentsToFlatNodes,
   4   editComment,
   5   editWith,
   6   enableDownvotes,
   7   enableNsfw,
   8   getCommentIdFromProps,
   9   getCommentParentId,
  10   getDepthFromComment,
  11   getIdFromProps,
  12   myAuth,
  13   setIsoData,
  14   updateCommunityBlock,
  15   updatePersonBlock,
  16 } from "@utils/app";
  17 import {
  18   isBrowser,
  19   restoreScrollPosition,
  20   saveScrollPosition,
  21 } from "@utils/browser";
  22 import { debounce, randomStr } from "@utils/helpers";
  23 import { isImage } from "@utils/media";
  24 import { RouteDataResponse } from "@utils/types";
  25 import autosize from "autosize";
  26 import classNames from "classnames";
  27 import { Component, RefObject, createRef, linkEvent } from "inferno";
  28 import {
  29   AddAdmin,
  30   AddModToCommunity,
  31   AddModToCommunityResponse,
  32   BanFromCommunity,
  33   BanFromCommunityResponse,
  34   BanPerson,
  35   BanPersonResponse,
  36   BlockCommunity,
  37   BlockPerson,
  38   CommentId,
  39   CommentReplyResponse,
  40   CommentResponse,
  41   CommentSortType,
  42   CommunityResponse,
  43   CreateComment,
  44   CreateCommentLike,
  45   CreateCommentReport,
  46   CreatePostLike,
  47   CreatePostReport,
  48   DeleteComment,
  49   DeleteCommunity,
  50   DeletePost,
  51   DistinguishComment,
  52   EditComment,
  53   EditCommunity,
  54   EditPost,
  55   FeaturePost,
  56   FollowCommunity,
  57   GetComments,
  58   GetCommentsResponse,
  59   GetCommunityResponse,
  60   GetPost,
  61   GetPostResponse,
  62   GetSiteResponse,
  63   LockPost,
  64   MarkCommentReplyAsRead,
  65   MarkPersonMentionAsRead,
  66   PostResponse,
  67   PurgeComment,
  68   PurgeCommunity,
  69   PurgeItemResponse,
  70   PurgePerson,
  71   PurgePost,
  72   RemoveComment,
  73   RemoveCommunity,
  74   RemovePost,
  75   SaveComment,
  76   SavePost,
  77   TransferCommunity,
  78 } from "lemmy-js-client";
  79 import { commentTreeMaxDepth } from "../../config";
  80 import {
  81   CommentNodeI,
  82   CommentViewType,
  83   InitialFetchRequest,
  84 } from "../../interfaces";
  85 import { FirstLoadService, I18NextService, UserService } from "../../services";
  86 import { HttpService, RequestState } from "../../services/HttpService";
  87 import { setupTippy } from "../../tippy";
  88 import { toast } from "../../toast";
  89 import { CommentForm } from "../comment/comment-form";
  90 import { CommentNodes } from "../comment/comment-nodes";
  91 import { HtmlTags } from "../common/html-tags";
  92 import { Icon, Spinner } from "../common/icon";
  93 import { Sidebar } from "../community/sidebar";
  94 import { PostListing } from "./post-listing";
  95
  96 const commentsShownInterval = 15;
  97
  98 type PostData = RouteDataResponse<{
  99   postRes: GetPostResponse;
 100   commentsRes: GetCommentsResponse;
 101 }>;
 102
 103 interface PostState {
 104   postId?: number;
 105   commentId?: number;
 106   postRes: RequestState<GetPostResponse>;
 107   commentsRes: RequestState<GetCommentsResponse>;
 108   commentSort: CommentSortType;
 109   commentViewType: CommentViewType;
 110   scrolled?: boolean;
 111   siteRes: GetSiteResponse;
 112   commentSectionRef?: RefObject<HTMLDivElement>;
 113   showSidebarMobile: boolean;
 114   maxCommentsShown: number;
 115   finished: Map<CommentId, boolean | undefined>;
 116   isIsomorphic: boolean;
 117 }
 118
 119 export class Post extends Component<any, PostState> {
 120   private isoData = setIsoData<PostData>(this.context);
 121   private commentScrollDebounced: () => void;
 122   state: PostState = {
 123     postRes: { state: "empty" },
 124     commentsRes: { state: "empty" },
 125     postId: getIdFromProps(this.props),
 126     commentId: getCommentIdFromProps(this.props),
 127     commentSort: "Hot",
 128     commentViewType: CommentViewType.Tree,
 129     scrolled: false,
 130     siteRes: this.isoData.site_res,
 131     showSidebarMobile: false,
 132     maxCommentsShown: commentsShownInterval,
 133     finished: new Map(),
 134     isIsomorphic: false,
 135   };
 136
 137   constructor(props: any, context: any) {
 138     super(props, context);
 139
 140     this.handleDeleteCommunityClick =
 141       this.handleDeleteCommunityClick.bind(this);
 142     this.handleEditCommunity = this.handleEditCommunity.bind(this);
 143     this.handleFollow = this.handleFollow.bind(this);
 144     this.handleModRemoveCommunity = this.handleModRemoveCommunity.bind(this);
 145     this.handleCreateComment = this.handleCreateComment.bind(this);
 146     this.handleEditComment = this.handleEditComment.bind(this);
 147     this.handleSaveComment = this.handleSaveComment.bind(this);
 148     this.handleBlockCommunity = this.handleBlockCommunity.bind(this);
 149     this.handleBlockPerson = this.handleBlockPerson.bind(this);
 150     this.handleDeleteComment = this.handleDeleteComment.bind(this);
 151     this.handleRemoveComment = this.handleRemoveComment.bind(this);
 152     this.handleCommentVote = this.handleCommentVote.bind(this);
 153     this.handleAddModToCommunity = this.handleAddModToCommunity.bind(this);
 154     this.handleAddAdmin = this.handleAddAdmin.bind(this);
 155     this.handlePurgePerson = this.handlePurgePerson.bind(this);
 156     this.handlePurgeComment = this.handlePurgeComment.bind(this);
 157     this.handleCommentReport = this.handleCommentReport.bind(this);
 158     this.handleDistinguishComment = this.handleDistinguishComment.bind(this);
 159     this.handleTransferCommunity = this.handleTransferCommunity.bind(this);
 160     this.handleFetchChildren = this.handleFetchChildren.bind(this);
 161     this.handleCommentReplyRead = this.handleCommentReplyRead.bind(this);
 162     this.handlePersonMentionRead = this.handlePersonMentionRead.bind(this);
 163     this.handleBanFromCommunity = this.handleBanFromCommunity.bind(this);
 164     this.handleBanPerson = this.handleBanPerson.bind(this);
 165     this.handlePostEdit = this.handlePostEdit.bind(this);
 166     this.handlePostVote = this.handlePostVote.bind(this);
 167     this.handlePostReport = this.handlePostReport.bind(this);
 168     this.handleLockPost = this.handleLockPost.bind(this);
 169     this.handleDeletePost = this.handleDeletePost.bind(this);
 170     this.handleRemovePost = this.handleRemovePost.bind(this);
 171     this.handleSavePost = this.handleSavePost.bind(this);
 172     this.handlePurgePost = this.handlePurgePost.bind(this);
 173     this.handleFeaturePost = this.handleFeaturePost.bind(this);
 174
 175     this.state = { ...this.state, commentSectionRef: createRef() };
 176
 177     // Only fetch the data if coming from another route
 178     if (FirstLoadService.isFirstLoad) {
 179       const { commentsRes, postRes } = this.isoData.routeData;
 180
 181       this.state = {
 182         ...this.state,
 183         postRes,
 184         commentsRes,
 185         isIsomorphic: true,
 186       };
 187
 188       if (isBrowser()) {
 189         if (this.checkScrollIntoCommentsParam) {
 190           this.scrollIntoCommentSection();
 191         }
 192       }
 193     }
 194   }
 195
 196   async fetchPost() {
 197     this.setState({
 198       postRes: { state: "loading" },
 199       commentsRes: { state: "loading" },
 200     });
 201
 202     const auth = myAuth();
 203
 204     this.setState({
 205       postRes: await HttpService.client.getPost({
 206         id: this.state.postId,
 207         comment_id: this.state.commentId,
 208         auth,
 209       }),
 210       commentsRes: await HttpService.client.getComments({
 211         post_id: this.state.postId,
 212         parent_id: this.state.commentId,
 213         max_depth: commentTreeMaxDepth,
 214         sort: this.state.commentSort,
 215         type_: "All",
 216         saved_only: false,
 217         auth,
 218       }),
 219     });
 220
 221     setupTippy();
 222
 223     if (!this.state.commentId) restoreScrollPosition(this.context);
 224
 225     if (this.checkScrollIntoCommentsParam) {
 226       this.scrollIntoCommentSection();
 227     }
 228   }
 229
 230   static async fetchInitialData({
 231     client,
 232     path,
 233     auth,
 234   }: InitialFetchRequest): Promise<PostData> {
 235     const pathSplit = path.split("/");
 236
 237     const pathType = pathSplit.at(1);
 238     const id = pathSplit.at(2) ? Number(pathSplit.at(2)) : undefined;
 239
 240     const postForm: GetPost = {
 241       auth,
 242     };
 243
 244     const commentsForm: GetComments = {
 245       max_depth: commentTreeMaxDepth,
 246       sort: "Hot",
 247       type_: "All",
 248       saved_only: false,
 249       auth,
 250     };
 251
 252     // Set the correct id based on the path type
 253     if (pathType === "post") {
 254       postForm.id = id;
 255       commentsForm.post_id = id;
 256     } else {
 257       postForm.comment_id = id;
 258       commentsForm.parent_id = id;
 259     }
 260
 261     return {
 262       postRes: await client.getPost(postForm),
 263       commentsRes: await client.getComments(commentsForm),
 264     };
 265   }
 266
 267   componentWillUnmount() {
 268     document.removeEventListener("scroll", this.commentScrollDebounced);
 269
 270     saveScrollPosition(this.context);
 271   }
 272
 273   async componentDidMount() {
 274     if (!this.state.isIsomorphic) {
 275       await this.fetchPost();
 276     }
 277
 278     autosize(document.querySelectorAll("textarea"));
 279
 280     this.commentScrollDebounced = debounce(this.trackCommentsBoxScrolling, 100);
 281     document.addEventListener("scroll", this.commentScrollDebounced);
 282   }
 283
 284   async componentDidUpdate(_lastProps: any) {
 285     // Necessary if you are on a post and you click another post (same route)
 286     if (_lastProps.location.pathname !== _lastProps.history.location.pathname) {
 287       await this.fetchPost();
 288     }
 289   }
 290
 291   get checkScrollIntoCommentsParam() {
 292     return Boolean(
 293       new URLSearchParams(this.props.location.search).get("scrollToComments")
 294     );
 295   }
 296
 297   scrollIntoCommentSection() {
 298     this.state.commentSectionRef?.current?.scrollIntoView();
 299   }
 300
 301   isBottom(el: Element): boolean {
 302     return el?.getBoundingClientRect().bottom <= window.innerHeight;
 303   }
 304
 305   /**
 306    * Shows new comments when scrolling to the bottom of the comments div
 307    */
 308   trackCommentsBoxScrolling = () => {
 309     const wrappedElement = document.getElementsByClassName("comments")[0];
 310     if (wrappedElement && this.isBottom(wrappedElement)) {
 311       const commentCount =
 312         this.state.commentsRes.state == "success"
 313           ? this.state.commentsRes.data.comments.length
 314           : 0;
 315
 316       if (this.state.maxCommentsShown < commentCount) {
 317         this.setState({
 318           maxCommentsShown: this.state.maxCommentsShown + commentsShownInterval,
 319         });
 320       }
 321     }
 322   };
 323
 324   get documentTitle(): string {
 325     const siteName = this.state.siteRes.site_view.site.name;
 326     return this.state.postRes.state == "success"
 327       ? `${this.state.postRes.data.post_view.post.name} - ${siteName}`
 328       : siteName;
 329   }
 330
 331   get imageTag(): string | undefined {
 332     if (this.state.postRes.state == "success") {
 333       const post = this.state.postRes.data.post_view.post;
 334       const thumbnail = post.thumbnail_url;
 335       const url = post.url;
 336       return thumbnail || (url && isImage(url) ? url : undefined);
 337     } else return undefined;
 338   }
 339
 340   renderPostRes() {
 341     switch (this.state.postRes.state) {
 342       case "loading":
 343         return (
 344           <h5>
 345             <Spinner large />
 346           </h5>
 347         );
 348       case "success": {
 349         const res = this.state.postRes.data;
 350         return (
 351           <div className="row">
 352             <main className="col-12 col-md-8 col-lg-9 mb-3">
 353               <HtmlTags
 354                 title={this.documentTitle}
 355                 path={this.context.router.route.match.url}
 356                 image={this.imageTag}
 357                 description={res.post_view.post.body}
 358               />
 359               <PostListing
 360                 post_view={res.post_view}
 361                 crossPosts={res.cross_posts}
 362                 showBody
 363                 showCommunity
 364                 moderators={res.moderators}
 365                 admins={this.state.siteRes.admins}
 366                 enableDownvotes={enableDownvotes(this.state.siteRes)}
 367                 enableNsfw={enableNsfw(this.state.siteRes)}
 368                 allLanguages={this.state.siteRes.all_languages}
 369                 siteLanguages={this.state.siteRes.discussion_languages}
 370                 onBlockPerson={this.handleBlockPerson}
 371                 onPostEdit={this.handlePostEdit}
 372                 onPostVote={this.handlePostVote}
 373                 onPostReport={this.handlePostReport}
 374                 onLockPost={this.handleLockPost}
 375                 onDeletePost={this.handleDeletePost}
 376                 onRemovePost={this.handleRemovePost}
 377                 onSavePost={this.handleSavePost}
 378                 onPurgePerson={this.handlePurgePerson}
 379                 onPurgePost={this.handlePurgePost}
 380                 onBanPerson={this.handleBanPerson}
 381                 onBanPersonFromCommunity={this.handleBanFromCommunity}
 382                 onAddModToCommunity={this.handleAddModToCommunity}
 383                 onAddAdmin={this.handleAddAdmin}
 384                 onTransferCommunity={this.handleTransferCommunity}
 385                 onFeaturePost={this.handleFeaturePost}
 386               />
 387               <div ref={this.state.commentSectionRef} className="mb-2" />
 388               <CommentForm
 389                 node={res.post_view.post.id}
 390                 disabled={res.post_view.post.locked}
 391                 allLanguages={this.state.siteRes.all_languages}
 392                 siteLanguages={this.state.siteRes.discussion_languages}
 393                 containerClass="post-comment-container"
 394                 onUpsertComment={this.handleCreateComment}
 395                 finished={this.state.finished.get(0)}
 396               />
 397               <div className="d-block d-md-none">
 398                 <button
 399                   className="btn btn-secondary d-inline-block mb-2 me-3"
 400                   onClick={linkEvent(this, this.handleShowSidebarMobile)}
 401                 >
 402                   {I18NextService.i18n.t("sidebar")}{" "}
 403                   <Icon
 404                     icon={
 405                       this.state.showSidebarMobile
 406                         ? `minus-square`
 407                         : `plus-square`
 408                     }
 409                     classes="icon-inline"
 410                   />
 411                 </button>
 412                 {this.state.showSidebarMobile && this.sidebar()}
 413               </div>
 414               {this.sortRadios()}
 415               {this.state.commentViewType == CommentViewType.Tree &&
 416                 this.commentsTree()}
 417               {this.state.commentViewType == CommentViewType.Flat &&
 418                 this.commentsFlat()}
 419             </main>
 420             <aside className="d-none d-md-block col-md-4 col-lg-3">
 421               {this.sidebar()}
 422             </aside>
 423           </div>
 424         );
 425       }
 426     }
 427   }
 428
 429   render() {
 430     return <div className="post container-lg">{this.renderPostRes()}</div>;
 431   }
 432
 433   sortRadios() {
 434     const radioId =
 435       this.state.postRes.state === "success"
 436         ? this.state.postRes.data.post_view.post.id
 437         : randomStr();
 438
 439     return (
 440       <>
 441         <div
 442           className="btn-group btn-group-toggle flex-wrap me-3 mb-2"
 443           role="group"
 444         >
 445           <input
 446             id={`${radioId}-hot`}
 447             type="radio"
 448             className="btn-check"
 449             value={"Hot"}
 450             checked={this.state.commentSort === "Hot"}
 451             onChange={linkEvent(this, this.handleCommentSortChange)}
 452           />
 453           <label
 454             htmlFor={`${radioId}-hot`}
 455             className={classNames("btn btn-outline-secondary pointer", {
 456               active: this.state.commentSort === "Hot",
 457             })}
 458           >
 459             {I18NextService.i18n.t("hot")}
 460           </label>
 461           <input
 462             id={`${radioId}-top`}
 463             type="radio"
 464             className="btn-check"
 465             value={"Top"}
 466             checked={this.state.commentSort === "Top"}
 467             onChange={linkEvent(this, this.handleCommentSortChange)}
 468           />
 469           <label
 470             htmlFor={`${radioId}-top`}
 471             className={classNames("btn btn-outline-secondary pointer", {
 472               active: this.state.commentSort === "Top",
 473             })}
 474           >
 475             {I18NextService.i18n.t("top")}
 476           </label>
 477           <input
 478             id={`${radioId}-new`}
 479             type="radio"
 480             className="btn-check"
 481             value={"New"}
 482             checked={this.state.commentSort === "New"}
 483             onChange={linkEvent(this, this.handleCommentSortChange)}
 484           />
 485           <label
 486             htmlFor={`${radioId}-new`}
 487             className={classNames("btn btn-outline-secondary pointer", {
 488               active: this.state.commentSort === "New",
 489             })}
 490           >
 491             {I18NextService.i18n.t("new")}
 492           </label>
 493           <input
 494             id={`${radioId}-old`}
 495             type="radio"
 496             className="btn-check"
 497             value={"Old"}
 498             checked={this.state.commentSort === "Old"}
 499             onChange={linkEvent(this, this.handleCommentSortChange)}
 500           />
 501           <label
 502             htmlFor={`${radioId}-old`}
 503             className={classNames("btn btn-outline-secondary pointer", {
 504               active: this.state.commentSort === "Old",
 505             })}
 506           >
 507             {I18NextService.i18n.t("old")}
 508           </label>
 509         </div>
 510         <div className="btn-group btn-group-toggle flex-wrap mb-2" role="group">
 511           <input
 512             id={`${radioId}-chat`}
 513             type="radio"
 514             className="btn-check"
 515             value={CommentViewType.Flat}
 516             checked={this.state.commentViewType === CommentViewType.Flat}
 517             onChange={linkEvent(this, this.handleCommentViewTypeChange)}
 518           />
 519           <label
 520             htmlFor={`${radioId}-chat`}
 521             className={classNames("btn btn-outline-secondary pointer", {
 522               active: this.state.commentViewType === CommentViewType.Flat,
 523             })}
 524           >
 525             {I18NextService.i18n.t("chat")}
 526           </label>
 527         </div>
 528       </>
 529     );
 530   }
 531
 532   commentsFlat() {
 533     // These are already sorted by new
 534     const commentsRes = this.state.commentsRes;
 535     const postRes = this.state.postRes;
 536
 537     if (commentsRes.state == "success" && postRes.state == "success") {
 538       return (
 539         <div>
 540           <CommentNodes
 541             nodes={commentsToFlatNodes(commentsRes.data.comments)}
 542             viewType={this.state.commentViewType}
 543             maxCommentsShown={this.state.maxCommentsShown}
 544             noIndent
 545             locked={postRes.data.post_view.post.locked}
 546             moderators={postRes.data.moderators}
 547             admins={this.state.siteRes.admins}
 548             enableDownvotes={enableDownvotes(this.state.siteRes)}
 549             showContext
 550             finished={this.state.finished}
 551             allLanguages={this.state.siteRes.all_languages}
 552             siteLanguages={this.state.siteRes.discussion_languages}
 553             onSaveComment={this.handleSaveComment}
 554             onBlockPerson={this.handleBlockPerson}
 555             onDeleteComment={this.handleDeleteComment}
 556             onRemoveComment={this.handleRemoveComment}
 557             onCommentVote={this.handleCommentVote}
 558             onCommentReport={this.handleCommentReport}
 559             onDistinguishComment={this.handleDistinguishComment}
 560             onAddModToCommunity={this.handleAddModToCommunity}
 561             onAddAdmin={this.handleAddAdmin}
 562             onTransferCommunity={this.handleTransferCommunity}
 563             onFetchChildren={this.handleFetchChildren}
 564             onPurgeComment={this.handlePurgeComment}
 565             onPurgePerson={this.handlePurgePerson}
 566             onCommentReplyRead={this.handleCommentReplyRead}
 567             onPersonMentionRead={this.handlePersonMentionRead}
 568             onBanPersonFromCommunity={this.handleBanFromCommunity}
 569             onBanPerson={this.handleBanPerson}
 570             onCreateComment={this.handleCreateComment}
 571             onEditComment={this.handleEditComment}
 572           />
 573         </div>
 574       );
 575     }
 576   }
 577
 578   sidebar() {
 579     const res = this.state.postRes;
 580     if (res.state === "success") {
 581       return (
 582         <Sidebar
 583           community_view={res.data.community_view}
 584           moderators={res.data.moderators}
 585           admins={this.state.siteRes.admins}
 586           enableNsfw={enableNsfw(this.state.siteRes)}
 587           showIcon
 588           allLanguages={this.state.siteRes.all_languages}
 589           siteLanguages={this.state.siteRes.discussion_languages}
 590           onDeleteCommunity={this.handleDeleteCommunityClick}
 591           onLeaveModTeam={this.handleAddModToCommunity}
 592           onFollowCommunity={this.handleFollow}
 593           onRemoveCommunity={this.handleModRemoveCommunity}
 594           onPurgeCommunity={this.handlePurgeCommunity}
 595           onBlockCommunity={this.handleBlockCommunity}
 596           onEditCommunity={this.handleEditCommunity}
 597         />
 598       );
 599     }
 600   }
 601
 602   commentsTree() {
 603     const res = this.state.postRes;
 604     const firstComment = this.commentTree().at(0)?.comment_view.comment;
 605     const depth = getDepthFromComment(firstComment);
 606     const showContextButton = depth ? depth > 0 : false;
 607
 608     return (
 609       res.state == "success" && (
 610         <div>
 611           {!!this.state.commentId && (
 612             <>
 613               <button
 614                 className="ps-0 d-block btn btn-link text-muted"
 615                 onClick={linkEvent(this, this.handleViewPost)}
 616               >
 617                 {I18NextService.i18n.t("view_all_comments")} ➔
 618               </button>
 619               {showContextButton && (
 620                 <button
 621                   className="ps-0 d-block btn btn-link text-muted"
 622                   onClick={linkEvent(this, this.handleViewContext)}
 623                 >
 624                   {I18NextService.i18n.t("show_context")} ➔
 625                 </button>
 626               )}
 627             </>
 628           )}
 629           <CommentNodes
 630             nodes={this.commentTree()}
 631             viewType={this.state.commentViewType}
 632             maxCommentsShown={this.state.maxCommentsShown}
 633             locked={res.data.post_view.post.locked}
 634             moderators={res.data.moderators}
 635             admins={this.state.siteRes.admins}
 636             enableDownvotes={enableDownvotes(this.state.siteRes)}
 637             finished={this.state.finished}
 638             allLanguages={this.state.siteRes.all_languages}
 639             siteLanguages={this.state.siteRes.discussion_languages}
 640             onSaveComment={this.handleSaveComment}
 641             onBlockPerson={this.handleBlockPerson}
 642             onDeleteComment={this.handleDeleteComment}
 643             onRemoveComment={this.handleRemoveComment}
 644             onCommentVote={this.handleCommentVote}
 645             onCommentReport={this.handleCommentReport}
 646             onDistinguishComment={this.handleDistinguishComment}
 647             onAddModToCommunity={this.handleAddModToCommunity}
 648             onAddAdmin={this.handleAddAdmin}
 649             onTransferCommunity={this.handleTransferCommunity}
 650             onFetchChildren={this.handleFetchChildren}
 651             onPurgeComment={this.handlePurgeComment}
 652             onPurgePerson={this.handlePurgePerson}
 653             onCommentReplyRead={this.handleCommentReplyRead}
 654             onPersonMentionRead={this.handlePersonMentionRead}
 655             onBanPersonFromCommunity={this.handleBanFromCommunity}
 656             onBanPerson={this.handleBanPerson}
 657             onCreateComment={this.handleCreateComment}
 658             onEditComment={this.handleEditComment}
 659           />
 660         </div>
 661       )
 662     );
 663   }
 664
 665   commentTree(): CommentNodeI[] {
 666     if (this.state.commentsRes.state == "success") {
 667       return buildCommentsTree(
 668         this.state.commentsRes.data.comments,
 669         !!this.state.commentId
 670       );
 671     } else {
 672       return [];
 673     }
 674   }
 675
 676   async handleCommentSortChange(i: Post, event: any) {
 677     i.setState({
 678       commentSort: event.target.value as CommentSortType,
 679       commentViewType: CommentViewType.Tree,
 680       commentsRes: { state: "loading" },
 681       postRes: { state: "loading" },
 682     });
 683     await i.fetchPost();
 684   }
 685
 686   handleCommentViewTypeChange(i: Post, event: any) {
 687     i.setState({
 688       commentViewType: Number(event.target.value),
 689       commentSort: "New",
 690     });
 691   }
 692
 693   handleShowSidebarMobile(i: Post) {
 694     i.setState({ showSidebarMobile: !i.state.showSidebarMobile });
 695   }
 696
 697   handleViewPost(i: Post) {
 698     if (i.state.postRes.state == "success") {
 699       const id = i.state.postRes.data.post_view.post.id;
 700       i.context.router.history.push(`/post/${id}`);
 701     }
 702   }
 703
 704   handleViewContext(i: Post) {
 705     if (i.state.commentsRes.state == "success") {
 706       const parentId = getCommentParentId(
 707         i.state.commentsRes.data.comments.at(0)?.comment
 708       );
 709       if (parentId) {
 710         i.context.router.history.push(`/comment/${parentId}`);
 711       }
 712     }
 713   }
 714
 715   async handleDeleteCommunityClick(form: DeleteCommunity) {
 716     const deleteCommunityRes = await HttpService.client.deleteCommunity(form);
 717     this.updateCommunity(deleteCommunityRes);
 718   }
 719
 720   async handleAddModToCommunity(form: AddModToCommunity) {
 721     const addModRes = await HttpService.client.addModToCommunity(form);
 722     this.updateModerators(addModRes);
 723   }
 724
 725   async handleFollow(form: FollowCommunity) {
 726     const followCommunityRes = await HttpService.client.followCommunity(form);
 727     this.updateCommunity(followCommunityRes);
 728
 729     // Update myUserInfo
 730     if (followCommunityRes.state === "success") {
 731       const communityId = followCommunityRes.data.community_view.community.id;
 732       const mui = UserService.Instance.myUserInfo;
 733       if (mui) {
 734         mui.follows = mui.follows.filter(i => i.community.id != communityId);
 735       }
 736     }
 737   }
 738
 739   async handlePurgeCommunity(form: PurgeCommunity) {
 740     const purgeCommunityRes = await HttpService.client.purgeCommunity(form);
 741     this.purgeItem(purgeCommunityRes);
 742   }
 743
 744   async handlePurgePerson(form: PurgePerson) {
 745     const purgePersonRes = await HttpService.client.purgePerson(form);
 746     this.purgeItem(purgePersonRes);
 747   }
 748
 749   async handlePurgeComment(form: PurgeComment) {
 750     const purgeCommentRes = await HttpService.client.purgeComment(form);
 751     this.purgeItem(purgeCommentRes);
 752   }
 753
 754   async handlePurgePost(form: PurgePost) {
 755     const purgeRes = await HttpService.client.purgePost(form);
 756     this.purgeItem(purgeRes);
 757   }
 758
 759   async handleBlockCommunity(form: BlockCommunity) {
 760     const blockCommunityRes = await HttpService.client.blockCommunity(form);
 761     if (blockCommunityRes.state == "success") {
 762       updateCommunityBlock(blockCommunityRes.data);
 763       this.setState(s => {
 764         if (s.postRes.state == "success") {
 765           s.postRes.data.community_view.blocked =
 766             blockCommunityRes.data.blocked;
 767         }
 768       });
 769     }
 770   }
 771
 772   async handleBlockPerson(form: BlockPerson) {
 773     const blockPersonRes = await HttpService.client.blockPerson(form);
 774     if (blockPersonRes.state == "success") {
 775       updatePersonBlock(blockPersonRes.data);
 776     }
 777   }
 778
 779   async handleModRemoveCommunity(form: RemoveCommunity) {
 780     const removeCommunityRes = await HttpService.client.removeCommunity(form);
 781     this.updateCommunity(removeCommunityRes);
 782   }
 783
 784   async handleEditCommunity(form: EditCommunity) {
 785     const res = await HttpService.client.editCommunity(form);
 786     this.updateCommunity(res);
 787
 788     return res;
 789   }
 790
 791   async handleCreateComment(form: CreateComment) {
 792     const createCommentRes = await HttpService.client.createComment(form);
 793     this.createAndUpdateComments(createCommentRes);
 794
 795     return createCommentRes;
 796   }
 797
 798   async handleEditComment(form: EditComment) {
 799     const editCommentRes = await HttpService.client.editComment(form);
 800     this.findAndUpdateComment(editCommentRes);
 801
 802     return editCommentRes;
 803   }
 804
 805   async handleDeleteComment(form: DeleteComment) {
 806     const deleteCommentRes = await HttpService.client.deleteComment(form);
 807     this.findAndUpdateComment(deleteCommentRes);
 808   }
 809
 810   async handleDeletePost(form: DeletePost) {
 811     const deleteRes = await HttpService.client.deletePost(form);
 812     this.updatePost(deleteRes);
 813   }
 814
 815   async handleRemovePost(form: RemovePost) {
 816     const removeRes = await HttpService.client.removePost(form);
 817     this.updatePost(removeRes);
 818   }
 819
 820   async handleRemoveComment(form: RemoveComment) {
 821     const removeCommentRes = await HttpService.client.removeComment(form);
 822     this.findAndUpdateComment(removeCommentRes);
 823   }
 824
 825   async handleSaveComment(form: SaveComment) {
 826     const saveCommentRes = await HttpService.client.saveComment(form);
 827     this.findAndUpdateComment(saveCommentRes);
 828   }
 829
 830   async handleSavePost(form: SavePost) {
 831     const saveRes = await HttpService.client.savePost(form);
 832     this.updatePost(saveRes);
 833   }
 834
 835   async handleFeaturePost(form: FeaturePost) {
 836     const featureRes = await HttpService.client.featurePost(form);
 837     this.updatePost(featureRes);
 838   }
 839
 840   async handleCommentVote(form: CreateCommentLike) {
 841     const voteRes = await HttpService.client.likeComment(form);
 842     this.findAndUpdateComment(voteRes);
 843   }
 844
 845   async handlePostVote(form: CreatePostLike) {
 846     const voteRes = await HttpService.client.likePost(form);
 847     this.updatePost(voteRes);
 848   }
 849
 850   async handlePostEdit(form: EditPost) {
 851     const res = await HttpService.client.editPost(form);
 852     this.updatePost(res);
 853   }
 854
 855   async handleCommentReport(form: CreateCommentReport) {
 856     const reportRes = await HttpService.client.createCommentReport(form);
 857     if (reportRes.state == "success") {
 858       toast(I18NextService.i18n.t("report_created"));
 859     }
 860   }
 861
 862   async handlePostReport(form: CreatePostReport) {
 863     const reportRes = await HttpService.client.createPostReport(form);
 864     if (reportRes.state == "success") {
 865       toast(I18NextService.i18n.t("report_created"));
 866     }
 867   }
 868
 869   async handleLockPost(form: LockPost) {
 870     const lockRes = await HttpService.client.lockPost(form);
 871     this.updatePost(lockRes);
 872   }
 873
 874   async handleDistinguishComment(form: DistinguishComment) {
 875     const distinguishRes = await HttpService.client.distinguishComment(form);
 876     this.findAndUpdateComment(distinguishRes);
 877   }
 878
 879   async handleAddAdmin(form: AddAdmin) {
 880     const addAdminRes = await HttpService.client.addAdmin(form);
 881
 882     if (addAdminRes.state === "success") {
 883       this.setState(s => ((s.siteRes.admins = addAdminRes.data.admins), s));
 884     }
 885   }
 886
 887   async handleTransferCommunity(form: TransferCommunity) {
 888     const transferCommunityRes = await HttpService.client.transferCommunity(
 889       form
 890     );
 891     this.updateCommunityFull(transferCommunityRes);
 892   }
 893
 894   async handleFetchChildren(form: GetComments) {
 895     const moreCommentsRes = await HttpService.client.getComments(form);
 896     if (
 897       this.state.commentsRes.state == "success" &&
 898       moreCommentsRes.state == "success"
 899     ) {
 900       const newComments = moreCommentsRes.data.comments;
 901       // Remove the first comment, since it is the parent
 902       newComments.shift();
 903       const newRes = this.state.commentsRes;
 904       newRes.data.comments.push(...newComments);
 905       this.setState({ commentsRes: newRes });
 906     }
 907   }
 908
 909   async handleCommentReplyRead(form: MarkCommentReplyAsRead) {
 910     const readRes = await HttpService.client.markCommentReplyAsRead(form);
 911     this.findAndUpdateCommentReply(readRes);
 912   }
 913
 914   async handlePersonMentionRead(form: MarkPersonMentionAsRead) {
 915     // TODO not sure what to do here. Maybe it is actually optional, because post doesn't need it.
 916     await HttpService.client.markPersonMentionAsRead(form);
 917   }
 918
 919   async handleBanFromCommunity(form: BanFromCommunity) {
 920     const banRes = await HttpService.client.banFromCommunity(form);
 921     this.updateBan(banRes);
 922   }
 923
 924   async handleBanPerson(form: BanPerson) {
 925     const banRes = await HttpService.client.banPerson(form);
 926     this.updateBan(banRes);
 927   }
 928
 929   updateBanFromCommunity(banRes: RequestState<BanFromCommunityResponse>) {
 930     // Maybe not necessary
 931     if (banRes.state == "success") {
 932       this.setState(s => {
 933         if (
 934           s.postRes.state == "success" &&
 935           s.postRes.data.post_view.creator.id ==
 936             banRes.data.person_view.person.id
 937         ) {
 938           s.postRes.data.post_view.creator_banned_from_community =
 939             banRes.data.banned;
 940         }
 941         if (s.commentsRes.state == "success") {
 942           s.commentsRes.data.comments
 943             .filter(c => c.creator.id == banRes.data.person_view.person.id)
 944             .forEach(
 945               c => (c.creator_banned_from_community = banRes.data.banned)
 946             );
 947         }
 948         return s;
 949       });
 950     }
 951   }
 952
 953   updateBan(banRes: RequestState<BanPersonResponse>) {
 954     // Maybe not necessary
 955     if (banRes.state == "success") {
 956       this.setState(s => {
 957         if (
 958           s.postRes.state == "success" &&
 959           s.postRes.data.post_view.creator.id ==
 960             banRes.data.person_view.person.id
 961         ) {
 962           s.postRes.data.post_view.creator.banned = banRes.data.banned;
 963         }
 964         if (s.commentsRes.state == "success") {
 965           s.commentsRes.data.comments
 966             .filter(c => c.creator.id == banRes.data.person_view.person.id)
 967             .forEach(c => (c.creator.banned = banRes.data.banned));
 968         }
 969         return s;
 970       });
 971     }
 972   }
 973
 974   updateCommunity(communityRes: RequestState<CommunityResponse>) {
 975     this.setState(s => {
 976       if (s.postRes.state == "success" && communityRes.state == "success") {
 977         s.postRes.data.community_view = communityRes.data.community_view;
 978       }
 979       return s;
 980     });
 981   }
 982
 983   updateCommunityFull(res: RequestState<GetCommunityResponse>) {
 984     this.setState(s => {
 985       if (s.postRes.state == "success" && res.state == "success") {
 986         s.postRes.data.community_view = res.data.community_view;
 987         s.postRes.data.moderators = res.data.moderators;
 988       }
 989       return s;
 990     });
 991   }
 992
 993   updatePost(post: RequestState<PostResponse>) {
 994     this.setState(s => {
 995       if (s.postRes.state == "success" && post.state == "success") {
 996         s.postRes.data.post_view = post.data.post_view;
 997       }
 998       return s;
 999     });
1000   }
1001
1002   purgeItem(purgeRes: RequestState<PurgeItemResponse>) {
1003     if (purgeRes.state == "success") {
1004       toast(I18NextService.i18n.t("purge_success"));
1005       this.context.router.history.push(`/`);
1006     }
1007   }
1008
1009   createAndUpdateComments(res: RequestState<CommentResponse>) {
1010     this.setState(s => {
1011       if (s.commentsRes.state === "success" && res.state === "success") {
1012         s.commentsRes.data.comments.unshift(res.data.comment_view);
1013
1014         // Set finished for the parent
1015         s.finished.set(
1016           getCommentParentId(res.data.comment_view.comment) ?? 0,
1017           true
1018         );
1019       }
1020       return s;
1021     });
1022   }
1023
1024   findAndUpdateComment(res: RequestState<CommentResponse>) {
1025     this.setState(s => {
1026       if (s.commentsRes.state == "success" && res.state == "success") {
1027         s.commentsRes.data.comments = editComment(
1028           res.data.comment_view,
1029           s.commentsRes.data.comments
1030         );
1031         s.finished.set(res.data.comment_view.comment.id, true);
1032       }
1033       return s;
1034     });
1035   }
1036
1037   findAndUpdateCommentReply(res: RequestState<CommentReplyResponse>) {
1038     this.setState(s => {
1039       if (s.commentsRes.state == "success" && res.state == "success") {
1040         s.commentsRes.data.comments = editWith(
1041           res.data.comment_reply_view,
1042           s.commentsRes.data.comments
1043         );
1044       }
1045       return s;
1046     });
1047   }
1048
1049   updateModerators(res: RequestState<AddModToCommunityResponse>) {
1050     // Update the moderators
1051     this.setState(s => {
1052       if (s.postRes.state == "success" && res.state == "success") {
1053         s.postRes.data.moderators = res.data.moderators;
1054       }
1055       return s;
1056     });
1057   }
1058 }