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   editComment,
  68   editWith,
  69   enableDownvotes,
  70   enableNsfw,
  71   getCommentIdFromProps,
  72   getCommentParentId,
  73   getDepthFromComment,
  74   getIdFromProps,
  75   isImage,
  76   myAuth,
  77   restoreScrollPosition,
  78   RouteDataResponse,
  79   saveScrollPosition,
  80   setIsoData,
  81   setupTippy,
  82   toast,
  83   updateCommunityBlock,
  84   updatePersonBlock,
  85 } from "../../utils";
  86 import isBrowser from "../../utils/browser/is-browser";
  87 import debounce from "../../utils/helpers/debounce";
  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                 containerClass="post-comment-container"
 393                 onUpsertComment={this.handleCreateComment}
 394                 finished={this.state.finished.get(0)}
 395               />
 396               <div className="d-block d-md-none">
 397                 <button
 398                   className="btn btn-secondary d-inline-block mb-2 mr-3"
 399                   onClick={linkEvent(this, this.handleShowSidebarMobile)}
 400                 >
 401                   {i18n.t("sidebar")}{" "}
 402                   <Icon
 403                     icon={
 404                       this.state.showSidebarMobile
 405                         ? `minus-square`
 406                         : `plus-square`
 407                     }
 408                     classes="icon-inline"
 409                   />
 410                 </button>
 411                 {this.state.showSidebarMobile && this.sidebar()}
 412               </div>
 413               {this.sortRadios()}
 414               {this.state.commentViewType == CommentViewType.Tree &&
 415                 this.commentsTree()}
 416               {this.state.commentViewType == CommentViewType.Flat &&
 417                 this.commentsFlat()}
 418             </div>
 419             <div className="d-none d-md-block col-md-4">{this.sidebar()}</div>
 420           </div>
 421         );
 422       }
 423     }
 424   }
 425
 426   render() {
 427     return <div className="container-lg">{this.renderPostRes()}</div>;
 428   }
 429
 430   sortRadios() {
 431     return (
 432       <>
 433         <div className="btn-group btn-group-toggle flex-wrap mr-3 mb-2">
 434           <label
 435             className={`btn btn-outline-secondary pointer ${
 436               this.state.commentSort === "Hot" && "active"
 437             }`}
 438           >
 439             {i18n.t("hot")}
 440             <input
 441               type="radio"
 442               value={"Hot"}
 443               checked={this.state.commentSort === "Hot"}
 444               onChange={linkEvent(this, this.handleCommentSortChange)}
 445             />
 446           </label>
 447           <label
 448             className={`btn btn-outline-secondary pointer ${
 449               this.state.commentSort === "Top" && "active"
 450             }`}
 451           >
 452             {i18n.t("top")}
 453             <input
 454               type="radio"
 455               value={"Top"}
 456               checked={this.state.commentSort === "Top"}
 457               onChange={linkEvent(this, this.handleCommentSortChange)}
 458             />
 459           </label>
 460           <label
 461             className={`btn btn-outline-secondary pointer ${
 462               this.state.commentSort === "New" && "active"
 463             }`}
 464           >
 465             {i18n.t("new")}
 466             <input
 467               type="radio"
 468               value={"New"}
 469               checked={this.state.commentSort === "New"}
 470               onChange={linkEvent(this, this.handleCommentSortChange)}
 471             />
 472           </label>
 473           <label
 474             className={`btn btn-outline-secondary pointer ${
 475               this.state.commentSort === "Old" && "active"
 476             }`}
 477           >
 478             {i18n.t("old")}
 479             <input
 480               type="radio"
 481               value={"Old"}
 482               checked={this.state.commentSort === "Old"}
 483               onChange={linkEvent(this, this.handleCommentSortChange)}
 484             />
 485           </label>
 486         </div>
 487         <div className="btn-group btn-group-toggle flex-wrap mb-2">
 488           <label
 489             className={`btn btn-outline-secondary pointer ${
 490               this.state.commentViewType === CommentViewType.Flat && "active"
 491             }`}
 492           >
 493             {i18n.t("chat")}
 494             <input
 495               type="radio"
 496               value={CommentViewType.Flat}
 497               checked={this.state.commentViewType === CommentViewType.Flat}
 498               onChange={linkEvent(this, this.handleCommentViewTypeChange)}
 499             />
 500           </label>
 501         </div>
 502       </>
 503     );
 504   }
 505
 506   commentsFlat() {
 507     // These are already sorted by new
 508     const commentsRes = this.state.commentsRes;
 509     const postRes = this.state.postRes;
 510
 511     if (commentsRes.state == "success" && postRes.state == "success") {
 512       return (
 513         <div>
 514           <CommentNodes
 515             nodes={commentsToFlatNodes(commentsRes.data.comments)}
 516             viewType={this.state.commentViewType}
 517             maxCommentsShown={this.state.maxCommentsShown}
 518             noIndent
 519             locked={postRes.data.post_view.post.locked}
 520             moderators={postRes.data.moderators}
 521             admins={this.state.siteRes.admins}
 522             enableDownvotes={enableDownvotes(this.state.siteRes)}
 523             showContext
 524             finished={this.state.finished}
 525             allLanguages={this.state.siteRes.all_languages}
 526             siteLanguages={this.state.siteRes.discussion_languages}
 527             onSaveComment={this.handleSaveComment}
 528             onBlockPerson={this.handleBlockPerson}
 529             onDeleteComment={this.handleDeleteComment}
 530             onRemoveComment={this.handleRemoveComment}
 531             onCommentVote={this.handleCommentVote}
 532             onCommentReport={this.handleCommentReport}
 533             onDistinguishComment={this.handleDistinguishComment}
 534             onAddModToCommunity={this.handleAddModToCommunity}
 535             onAddAdmin={this.handleAddAdmin}
 536             onTransferCommunity={this.handleTransferCommunity}
 537             onFetchChildren={this.handleFetchChildren}
 538             onPurgeComment={this.handlePurgeComment}
 539             onPurgePerson={this.handlePurgePerson}
 540             onCommentReplyRead={this.handleCommentReplyRead}
 541             onPersonMentionRead={this.handlePersonMentionRead}
 542             onBanPersonFromCommunity={this.handleBanFromCommunity}
 543             onBanPerson={this.handleBanPerson}
 544             onCreateComment={this.handleCreateComment}
 545             onEditComment={this.handleEditComment}
 546           />
 547         </div>
 548       );
 549     }
 550   }
 551
 552   sidebar() {
 553     const res = this.state.postRes;
 554     if (res.state === "success") {
 555       return (
 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       );
 573     }
 574   }
 575
 576   commentsTree() {
 577     const res = this.state.postRes;
 578     const firstComment = this.commentTree().at(0)?.comment_view.comment;
 579     const depth = getDepthFromComment(firstComment);
 580     const showContextButton = depth ? depth > 0 : false;
 581
 582     return (
 583       res.state == "success" && (
 584         <div>
 585           {!!this.state.commentId && (
 586             <>
 587               <button
 588                 className="pl-0 d-block btn btn-link text-muted"
 589                 onClick={linkEvent(this, this.handleViewPost)}
 590               >
 591                 {i18n.t("view_all_comments")} ➔
 592               </button>
 593               {showContextButton && (
 594                 <button
 595                   className="pl-0 d-block btn btn-link text-muted"
 596                   onClick={linkEvent(this, this.handleViewContext)}
 597                 >
 598                   {i18n.t("show_context")} ➔
 599                 </button>
 600               )}
 601             </>
 602           )}
 603           <CommentNodes
 604             nodes={this.commentTree()}
 605             viewType={this.state.commentViewType}
 606             maxCommentsShown={this.state.maxCommentsShown}
 607             locked={res.data.post_view.post.locked}
 608             moderators={res.data.moderators}
 609             admins={this.state.siteRes.admins}
 610             enableDownvotes={enableDownvotes(this.state.siteRes)}
 611             finished={this.state.finished}
 612             allLanguages={this.state.siteRes.all_languages}
 613             siteLanguages={this.state.siteRes.discussion_languages}
 614             onSaveComment={this.handleSaveComment}
 615             onBlockPerson={this.handleBlockPerson}
 616             onDeleteComment={this.handleDeleteComment}
 617             onRemoveComment={this.handleRemoveComment}
 618             onCommentVote={this.handleCommentVote}
 619             onCommentReport={this.handleCommentReport}
 620             onDistinguishComment={this.handleDistinguishComment}
 621             onAddModToCommunity={this.handleAddModToCommunity}
 622             onAddAdmin={this.handleAddAdmin}
 623             onTransferCommunity={this.handleTransferCommunity}
 624             onFetchChildren={this.handleFetchChildren}
 625             onPurgeComment={this.handlePurgeComment}
 626             onPurgePerson={this.handlePurgePerson}
 627             onCommentReplyRead={this.handleCommentReplyRead}
 628             onPersonMentionRead={this.handlePersonMentionRead}
 629             onBanPersonFromCommunity={this.handleBanFromCommunity}
 630             onBanPerson={this.handleBanPerson}
 631             onCreateComment={this.handleCreateComment}
 632             onEditComment={this.handleEditComment}
 633           />
 634         </div>
 635       )
 636     );
 637   }
 638
 639   commentTree(): CommentNodeI[] {
 640     if (this.state.commentsRes.state == "success") {
 641       return buildCommentsTree(
 642         this.state.commentsRes.data.comments,
 643         !!this.state.commentId
 644       );
 645     } else {
 646       return [];
 647     }
 648   }
 649
 650   async handleCommentSortChange(i: Post, event: any) {
 651     i.setState({
 652       commentSort: event.target.value as CommentSortType,
 653       commentViewType: CommentViewType.Tree,
 654       commentsRes: { state: "loading" },
 655       postRes: { state: "loading" },
 656     });
 657     await i.fetchPost();
 658   }
 659
 660   handleCommentViewTypeChange(i: Post, event: any) {
 661     i.setState({
 662       commentViewType: Number(event.target.value),
 663       commentSort: "New",
 664     });
 665   }
 666
 667   handleShowSidebarMobile(i: Post) {
 668     i.setState({ showSidebarMobile: !i.state.showSidebarMobile });
 669   }
 670
 671   handleViewPost(i: Post) {
 672     if (i.state.postRes.state == "success") {
 673       const id = i.state.postRes.data.post_view.post.id;
 674       i.context.router.history.push(`/post/${id}`);
 675     }
 676   }
 677
 678   handleViewContext(i: Post) {
 679     if (i.state.commentsRes.state == "success") {
 680       const parentId = getCommentParentId(
 681         i.state.commentsRes.data.comments.at(0)?.comment
 682       );
 683       if (parentId) {
 684         i.context.router.history.push(`/comment/${parentId}`);
 685       }
 686     }
 687   }
 688
 689   async handleDeleteCommunityClick(form: DeleteCommunity) {
 690     const deleteCommunityRes = await HttpService.client.deleteCommunity(form);
 691     this.updateCommunity(deleteCommunityRes);
 692   }
 693
 694   async handleAddModToCommunity(form: AddModToCommunity) {
 695     const addModRes = await HttpService.client.addModToCommunity(form);
 696     this.updateModerators(addModRes);
 697   }
 698
 699   async handleFollow(form: FollowCommunity) {
 700     const followCommunityRes = await HttpService.client.followCommunity(form);
 701     this.updateCommunity(followCommunityRes);
 702
 703     // Update myUserInfo
 704     if (followCommunityRes.state === "success") {
 705       const communityId = followCommunityRes.data.community_view.community.id;
 706       const mui = UserService.Instance.myUserInfo;
 707       if (mui) {
 708         mui.follows = mui.follows.filter(i => i.community.id != communityId);
 709       }
 710     }
 711   }
 712
 713   async handlePurgeCommunity(form: PurgeCommunity) {
 714     const purgeCommunityRes = await HttpService.client.purgeCommunity(form);
 715     this.purgeItem(purgeCommunityRes);
 716   }
 717
 718   async handlePurgePerson(form: PurgePerson) {
 719     const purgePersonRes = await HttpService.client.purgePerson(form);
 720     this.purgeItem(purgePersonRes);
 721   }
 722
 723   async handlePurgeComment(form: PurgeComment) {
 724     const purgeCommentRes = await HttpService.client.purgeComment(form);
 725     this.purgeItem(purgeCommentRes);
 726   }
 727
 728   async handlePurgePost(form: PurgePost) {
 729     const purgeRes = await HttpService.client.purgePost(form);
 730     this.purgeItem(purgeRes);
 731   }
 732
 733   async handleBlockCommunity(form: BlockCommunity) {
 734     const blockCommunityRes = await HttpService.client.blockCommunity(form);
 735     if (blockCommunityRes.state == "success") {
 736       updateCommunityBlock(blockCommunityRes.data);
 737       this.setState(s => {
 738         if (s.postRes.state == "success") {
 739           s.postRes.data.community_view.blocked =
 740             blockCommunityRes.data.blocked;
 741         }
 742       });
 743     }
 744   }
 745
 746   async handleBlockPerson(form: BlockPerson) {
 747     const blockPersonRes = await HttpService.client.blockPerson(form);
 748     if (blockPersonRes.state == "success") {
 749       updatePersonBlock(blockPersonRes.data);
 750     }
 751   }
 752
 753   async handleModRemoveCommunity(form: RemoveCommunity) {
 754     const removeCommunityRes = await HttpService.client.removeCommunity(form);
 755     this.updateCommunity(removeCommunityRes);
 756   }
 757
 758   async handleEditCommunity(form: EditCommunity) {
 759     const res = await HttpService.client.editCommunity(form);
 760     this.updateCommunity(res);
 761
 762     return res;
 763   }
 764
 765   async handleCreateComment(form: CreateComment) {
 766     const createCommentRes = await HttpService.client.createComment(form);
 767     this.createAndUpdateComments(createCommentRes);
 768
 769     return createCommentRes;
 770   }
 771
 772   async handleEditComment(form: EditComment) {
 773     const editCommentRes = await HttpService.client.editComment(form);
 774     this.findAndUpdateComment(editCommentRes);
 775
 776     return editCommentRes;
 777   }
 778
 779   async handleDeleteComment(form: DeleteComment) {
 780     const deleteCommentRes = await HttpService.client.deleteComment(form);
 781     this.findAndUpdateComment(deleteCommentRes);
 782   }
 783
 784   async handleDeletePost(form: DeletePost) {
 785     const deleteRes = await HttpService.client.deletePost(form);
 786     this.updatePost(deleteRes);
 787   }
 788
 789   async handleRemovePost(form: RemovePost) {
 790     const removeRes = await HttpService.client.removePost(form);
 791     this.updatePost(removeRes);
 792   }
 793
 794   async handleRemoveComment(form: RemoveComment) {
 795     const removeCommentRes = await HttpService.client.removeComment(form);
 796     this.findAndUpdateComment(removeCommentRes);
 797   }
 798
 799   async handleSaveComment(form: SaveComment) {
 800     const saveCommentRes = await HttpService.client.saveComment(form);
 801     this.findAndUpdateComment(saveCommentRes);
 802   }
 803
 804   async handleSavePost(form: SavePost) {
 805     const saveRes = await HttpService.client.savePost(form);
 806     this.updatePost(saveRes);
 807   }
 808
 809   async handleFeaturePost(form: FeaturePost) {
 810     const featureRes = await HttpService.client.featurePost(form);
 811     this.updatePost(featureRes);
 812   }
 813
 814   async handleCommentVote(form: CreateCommentLike) {
 815     const voteRes = await HttpService.client.likeComment(form);
 816     this.findAndUpdateComment(voteRes);
 817   }
 818
 819   async handlePostVote(form: CreatePostLike) {
 820     const voteRes = await HttpService.client.likePost(form);
 821     this.updatePost(voteRes);
 822   }
 823
 824   async handlePostEdit(form: EditPost) {
 825     const res = await HttpService.client.editPost(form);
 826     this.updatePost(res);
 827   }
 828
 829   async handleCommentReport(form: CreateCommentReport) {
 830     const reportRes = await HttpService.client.createCommentReport(form);
 831     if (reportRes.state == "success") {
 832       toast(i18n.t("report_created"));
 833     }
 834   }
 835
 836   async handlePostReport(form: CreatePostReport) {
 837     const reportRes = await HttpService.client.createPostReport(form);
 838     if (reportRes.state == "success") {
 839       toast(i18n.t("report_created"));
 840     }
 841   }
 842
 843   async handleLockPost(form: LockPost) {
 844     const lockRes = await HttpService.client.lockPost(form);
 845     this.updatePost(lockRes);
 846   }
 847
 848   async handleDistinguishComment(form: DistinguishComment) {
 849     const distinguishRes = await HttpService.client.distinguishComment(form);
 850     this.findAndUpdateComment(distinguishRes);
 851   }
 852
 853   async handleAddAdmin(form: AddAdmin) {
 854     const addAdminRes = await HttpService.client.addAdmin(form);
 855
 856     if (addAdminRes.state === "success") {
 857       this.setState(s => ((s.siteRes.admins = addAdminRes.data.admins), s));
 858     }
 859   }
 860
 861   async handleTransferCommunity(form: TransferCommunity) {
 862     const transferCommunityRes = await HttpService.client.transferCommunity(
 863       form
 864     );
 865     this.updateCommunityFull(transferCommunityRes);
 866   }
 867
 868   async handleFetchChildren(form: GetComments) {
 869     const moreCommentsRes = await HttpService.client.getComments(form);
 870     if (
 871       this.state.commentsRes.state == "success" &&
 872       moreCommentsRes.state == "success"
 873     ) {
 874       const newComments = moreCommentsRes.data.comments;
 875       // Remove the first comment, since it is the parent
 876       newComments.shift();
 877       const newRes = this.state.commentsRes;
 878       newRes.data.comments.push(...newComments);
 879       this.setState({ commentsRes: newRes });
 880     }
 881   }
 882
 883   async handleCommentReplyRead(form: MarkCommentReplyAsRead) {
 884     const readRes = await HttpService.client.markCommentReplyAsRead(form);
 885     this.findAndUpdateCommentReply(readRes);
 886   }
 887
 888   async handlePersonMentionRead(form: MarkPersonMentionAsRead) {
 889     // TODO not sure what to do here. Maybe it is actually optional, because post doesn't need it.
 890     await HttpService.client.markPersonMentionAsRead(form);
 891   }
 892
 893   async handleBanFromCommunity(form: BanFromCommunity) {
 894     const banRes = await HttpService.client.banFromCommunity(form);
 895     this.updateBan(banRes);
 896   }
 897
 898   async handleBanPerson(form: BanPerson) {
 899     const banRes = await HttpService.client.banPerson(form);
 900     this.updateBan(banRes);
 901   }
 902
 903   updateBanFromCommunity(banRes: RequestState<BanFromCommunityResponse>) {
 904     // Maybe not necessary
 905     if (banRes.state == "success") {
 906       this.setState(s => {
 907         if (
 908           s.postRes.state == "success" &&
 909           s.postRes.data.post_view.creator.id ==
 910             banRes.data.person_view.person.id
 911         ) {
 912           s.postRes.data.post_view.creator_banned_from_community =
 913             banRes.data.banned;
 914         }
 915         if (s.commentsRes.state == "success") {
 916           s.commentsRes.data.comments
 917             .filter(c => c.creator.id == banRes.data.person_view.person.id)
 918             .forEach(
 919               c => (c.creator_banned_from_community = banRes.data.banned)
 920             );
 921         }
 922         return s;
 923       });
 924     }
 925   }
 926
 927   updateBan(banRes: RequestState<BanPersonResponse>) {
 928     // Maybe not necessary
 929     if (banRes.state == "success") {
 930       this.setState(s => {
 931         if (
 932           s.postRes.state == "success" &&
 933           s.postRes.data.post_view.creator.id ==
 934             banRes.data.person_view.person.id
 935         ) {
 936           s.postRes.data.post_view.creator.banned = banRes.data.banned;
 937         }
 938         if (s.commentsRes.state == "success") {
 939           s.commentsRes.data.comments
 940             .filter(c => c.creator.id == banRes.data.person_view.person.id)
 941             .forEach(c => (c.creator.banned = banRes.data.banned));
 942         }
 943         return s;
 944       });
 945     }
 946   }
 947
 948   updateCommunity(communityRes: RequestState<CommunityResponse>) {
 949     this.setState(s => {
 950       if (s.postRes.state == "success" && communityRes.state == "success") {
 951         s.postRes.data.community_view = communityRes.data.community_view;
 952       }
 953       return s;
 954     });
 955   }
 956
 957   updateCommunityFull(res: RequestState<GetCommunityResponse>) {
 958     this.setState(s => {
 959       if (s.postRes.state == "success" && res.state == "success") {
 960         s.postRes.data.community_view = res.data.community_view;
 961         s.postRes.data.moderators = res.data.moderators;
 962       }
 963       return s;
 964     });
 965   }
 966
 967   updatePost(post: RequestState<PostResponse>) {
 968     this.setState(s => {
 969       if (s.postRes.state == "success" && post.state == "success") {
 970         s.postRes.data.post_view = post.data.post_view;
 971       }
 972       return s;
 973     });
 974   }
 975
 976   purgeItem(purgeRes: RequestState<PurgeItemResponse>) {
 977     if (purgeRes.state == "success") {
 978       toast(i18n.t("purge_success"));
 979       this.context.router.history.push(`/`);
 980     }
 981   }
 982
 983   createAndUpdateComments(res: RequestState<CommentResponse>) {
 984     this.setState(s => {
 985       if (s.commentsRes.state === "success" && res.state === "success") {
 986         s.commentsRes.data.comments.unshift(res.data.comment_view);
 987
 988         // Set finished for the parent
 989         s.finished.set(
 990           getCommentParentId(res.data.comment_view.comment) ?? 0,
 991           true
 992         );
 993       }
 994       return s;
 995     });
 996   }
 997
 998   findAndUpdateComment(res: RequestState<CommentResponse>) {
 999     this.setState(s => {
1000       if (s.commentsRes.state == "success" && res.state == "success") {
1001         s.commentsRes.data.comments = editComment(
1002           res.data.comment_view,
1003           s.commentsRes.data.comments
1004         );
1005         s.finished.set(res.data.comment_view.comment.id, true);
1006       }
1007       return s;
1008     });
1009   }
1010
1011   findAndUpdateCommentReply(res: RequestState<CommentReplyResponse>) {
1012     this.setState(s => {
1013       if (s.commentsRes.state == "success" && res.state == "success") {
1014         s.commentsRes.data.comments = editWith(
1015           res.data.comment_reply_view,
1016           s.commentsRes.data.comments
1017         );
1018       }
1019       return s;
1020     });
1021   }
1022
1023   updateModerators(res: RequestState<AddModToCommunityResponse>) {
1024     // Update the moderators
1025     this.setState(s => {
1026       if (s.postRes.state == "success" && res.state == "success") {
1027         s.postRes.data.moderators = res.data.moderators;
1028       }
1029       return s;
1030     });
1031   }
1032 }