ui/src/components/main.tsx

   1 import { Component, linkEvent } from 'inferno';
   2 import { Helmet } from 'inferno-helmet';
   3 import { Link } from 'inferno-router';
   4 import { Subscription } from 'rxjs';
   5 import { retryWhen, delay, take } from 'rxjs/operators';
   6 import {
   7   UserOperation,
   8   CommunityUser,
   9   GetFollowedCommunitiesResponse,
  10   ListCommunitiesForm,
  11   ListCommunitiesResponse,
  12   Community,
  13   SortType,
  14   GetSiteResponse,
  15   ListingType,
  16   SiteResponse,
  17   GetPostsResponse,
  18   PostResponse,
  19   Post,
  20   GetPostsForm,
  21   Comment,
  22   GetCommentsForm,
  23   GetCommentsResponse,
  24   CommentResponse,
  25   AddAdminResponse,
  26   BanUserResponse,
  27   WebSocketJsonResponse,
  28 } from 'lemmy-js-client';
  29 import { DataType } from '../interfaces';
  30 import { WebSocketService, UserService } from '../services';
  31 import { PostListings } from './post-listings';
  32 import { CommentNodes } from './comment-nodes';
  33 import { SortSelect } from './sort-select';
  34 import { ListingTypeSelect } from './listing-type-select';
  35 import { DataTypeSelect } from './data-type-select';
  36 import { SiteForm } from './site-form';
  37 import { UserListing } from './user-listing';
  38 import { CommunityLink } from './community-link';
  39 import { BannerIconHeader } from './banner-icon-header';
  40 import {
  41   wsJsonToRes,
  42   repoUrl,
  43   mdToHtml,
  44   fetchLimit,
  45   toast,
  46   getListingTypeFromProps,
  47   getPageFromProps,
  48   getSortTypeFromProps,
  49   getDataTypeFromProps,
  50   editCommentRes,
  51   saveCommentRes,
  52   createCommentLikeRes,
  53   createPostLikeFindRes,
  54   editPostFindRes,
  55   commentsToFlatNodes,
  56   setupTippy,
  57   favIconUrl,
  58   notifyPost,
  59 } from '../utils';
  60 import { i18n } from '../i18next';
  61 import { T } from 'inferno-i18next';
  62
  63 interface MainState {
  64   subscribedCommunities: Array<CommunityUser>;
  65   trendingCommunities: Array<Community>;
  66   siteRes: GetSiteResponse;
  67   showEditSite: boolean;
  68   loading: boolean;
  69   posts: Array<Post>;
  70   comments: Array<Comment>;
  71   listingType: ListingType;
  72   dataType: DataType;
  73   sort: SortType;
  74   page: number;
  75 }
  76
  77 interface MainProps {
  78   listingType: ListingType;
  79   dataType: DataType;
  80   sort: SortType;
  81   page: number;
  82 }
  83
  84 interface UrlParams {
  85   listingType?: ListingType;
  86   dataType?: string;
  87   sort?: SortType;
  88   page?: number;
  89 }
  90
  91 export class Main extends Component<any, MainState> {
  92   private subscription: Subscription;
  93   private emptyState: MainState = {
  94     subscribedCommunities: [],
  95     trendingCommunities: [],
  96     siteRes: {
  97       site: {
  98         id: null,
  99         name: null,
 100         creator_id: null,
 101         creator_name: null,
 102         published: null,
 103         number_of_users: null,
 104         number_of_posts: null,
 105         number_of_comments: null,
 106         number_of_communities: null,
 107         enable_downvotes: null,
 108         open_registration: null,
 109         enable_nsfw: null,
 110         icon: null,
 111         banner: null,
 112         creator_preferred_username: null,
 113       },
 114       admins: [],
 115       banned: [],
 116       online: null,
 117       version: null,
 118       federated_instances: null,
 119     },
 120     showEditSite: false,
 121     loading: true,
 122     posts: [],
 123     comments: [],
 124     listingType: getListingTypeFromProps(this.props),
 125     dataType: getDataTypeFromProps(this.props),
 126     sort: getSortTypeFromProps(this.props),
 127     page: getPageFromProps(this.props),
 128   };
 129
 130   constructor(props: any, context: any) {
 131     super(props, context);
 132
 133     this.state = this.emptyState;
 134     this.handleEditCancel = this.handleEditCancel.bind(this);
 135     this.handleSortChange = this.handleSortChange.bind(this);
 136     this.handleListingTypeChange = this.handleListingTypeChange.bind(this);
 137     this.handleDataTypeChange = this.handleDataTypeChange.bind(this);
 138
 139     this.subscription = WebSocketService.Instance.subject
 140       .pipe(retryWhen(errors => errors.pipe(delay(3000), take(10))))
 141       .subscribe(
 142         msg => this.parseMessage(msg),
 143         err => console.error(err),
 144         () => console.log('complete')
 145       );
 146
 147     WebSocketService.Instance.getSite();
 148
 149     if (UserService.Instance.user) {
 150       WebSocketService.Instance.getFollowedCommunities();
 151     }
 152
 153     let listCommunitiesForm: ListCommunitiesForm = {
 154       sort: SortType.Hot,
 155       limit: 6,
 156     };
 157
 158     WebSocketService.Instance.listCommunities(listCommunitiesForm);
 159
 160     this.fetchData();
 161   }
 162
 163   componentWillUnmount() {
 164     this.subscription.unsubscribe();
 165   }
 166
 167   static getDerivedStateFromProps(props: any): MainProps {
 168     return {
 169       listingType: getListingTypeFromProps(props),
 170       dataType: getDataTypeFromProps(props),
 171       sort: getSortTypeFromProps(props),
 172       page: getPageFromProps(props),
 173     };
 174   }
 175
 176   componentDidUpdate(_: any, lastState: MainState) {
 177     if (
 178       lastState.listingType !== this.state.listingType ||
 179       lastState.dataType !== this.state.dataType ||
 180       lastState.sort !== this.state.sort ||
 181       lastState.page !== this.state.page
 182     ) {
 183       this.setState({ loading: true });
 184       this.fetchData();
 185     }
 186   }
 187
 188   get documentTitle(): string {
 189     if (this.state.siteRes.site.name) {
 190       return `${this.state.siteRes.site.name}`;
 191     } else {
 192       return 'Lemmy';
 193     }
 194   }
 195
 196   get favIcon(): string {
 197     return this.state.siteRes.site.icon
 198       ? this.state.siteRes.site.icon
 199       : favIconUrl;
 200   }
 201
 202   render() {
 203     return (
 204       <div class="container">
 205         <Helmet title={this.documentTitle}>
 206           <link
 207             id="favicon"
 208             rel="icon"
 209             type="image/x-icon"
 210             href={this.favIcon}
 211           />
 212         </Helmet>
 213         <div class="row">
 214           <main role="main" class="col-12 col-md-8">
 215             {this.posts()}
 216           </main>
 217           <aside class="col-12 col-md-4">{this.mySidebar()}</aside>
 218         </div>
 219       </div>
 220     );
 221   }
 222
 223   mySidebar() {
 224     return (
 225       <div>
 226         {!this.state.loading && (
 227           <div>
 228             <div class="card bg-transparent border-secondary mb-3">
 229               <div class="card-header bg-transparent border-secondary">
 230                 <div class="mb-2">
 231                   {this.siteName()}
 232                   {this.adminButtons()}
 233                 </div>
 234                 <BannerIconHeader banner={this.state.siteRes.site.banner} />
 235               </div>
 236               <div class="card-body">
 237                 {this.trendingCommunities()}
 238                 {this.createCommunityButton()}
 239                 {/*
 240                 {this.subscribedCommunities()}
 241                 */}
 242               </div>
 243             </div>
 244
 245             <div class="card bg-transparent border-secondary mb-3">
 246               <div class="card-body">{this.sidebar()}</div>
 247             </div>
 248
 249             <div class="card bg-transparent border-secondary">
 250               <div class="card-body">{this.landing()}</div>
 251             </div>
 252           </div>
 253         )}
 254       </div>
 255     );
 256   }
 257
 258   createCommunityButton() {
 259     return (
 260       <Link class="btn btn-secondary btn-block" to="/create_community">
 261         {i18n.t('create_a_community')}
 262       </Link>
 263     );
 264   }
 265
 266   trendingCommunities() {
 267     return (
 268       <div>
 269         <h5>
 270           <T i18nKey="trending_communities">
 271             #
 272             <Link class="text-body" to="/communities">
 273               #
 274             </Link>
 275           </T>
 276         </h5>
 277         <ul class="list-inline">
 278           {this.state.trendingCommunities.map(community => (
 279             <li class="list-inline-item">
 280               <CommunityLink community={community} />
 281             </li>
 282           ))}
 283         </ul>
 284       </div>
 285     );
 286   }
 287
 288   subscribedCommunities() {
 289     return (
 290       UserService.Instance.user &&
 291       this.state.subscribedCommunities.length > 0 && (
 292         <div>
 293           <h5>
 294             <T i18nKey="subscribed_to_communities">
 295               #
 296               <Link class="text-body" to="/communities">
 297                 #
 298               </Link>
 299             </T>
 300           </h5>
 301           <ul class="list-inline">
 302             {this.state.subscribedCommunities.map(community => (
 303               <li class="list-inline-item">
 304                 <CommunityLink
 305                   community={{
 306                     name: community.community_name,
 307                     id: community.community_id,
 308                     local: community.community_local,
 309                     actor_id: community.community_actor_id,
 310                     icon: community.community_icon,
 311                   }}
 312                 />
 313               </li>
 314             ))}
 315           </ul>
 316         </div>
 317       )
 318     );
 319   }
 320
 321   sidebar() {
 322     return (
 323       <div>
 324         {!this.state.showEditSite ? (
 325           this.siteInfo()
 326         ) : (
 327           <SiteForm
 328             site={this.state.siteRes.site}
 329             onCancel={this.handleEditCancel}
 330           />
 331         )}
 332       </div>
 333     );
 334   }
 335
 336   updateUrl(paramUpdates: UrlParams) {
 337     const listingTypeStr = paramUpdates.listingType || this.state.listingType;
 338     const dataTypeStr = paramUpdates.dataType || DataType[this.state.dataType];
 339     const sortStr = paramUpdates.sort || this.state.sort;
 340     const page = paramUpdates.page || this.state.page;
 341     this.props.history.push(
 342       `/home/data_type/${dataTypeStr}/listing_type/${listingTypeStr}/sort/${sortStr}/page/${page}`
 343     );
 344   }
 345
 346   siteInfo() {
 347     return (
 348       <div>
 349         {this.state.siteRes.site.description && this.siteDescription()}
 350         {this.badges()}
 351         {this.admins()}
 352       </div>
 353     );
 354   }
 355
 356   siteName() {
 357     return <h5 class="mb-0">{`${this.state.siteRes.site.name}`}</h5>;
 358   }
 359
 360   admins() {
 361     return (
 362       <ul class="mt-1 list-inline small mb-0">
 363         <li class="list-inline-item">{i18n.t('admins')}:</li>
 364         {this.state.siteRes.admins.map(admin => (
 365           <li class="list-inline-item">
 366             <UserListing
 367               user={{
 368                 name: admin.name,
 369                 preferred_username: admin.preferred_username,
 370                 avatar: admin.avatar,
 371                 local: admin.local,
 372                 actor_id: admin.actor_id,
 373                 id: admin.id,
 374               }}
 375             />
 376           </li>
 377         ))}
 378       </ul>
 379     );
 380   }
 381
 382   badges() {
 383     return (
 384       <ul class="my-2 list-inline">
 385         <li className="list-inline-item badge badge-light">
 386           {i18n.t('number_online', { count: this.state.siteRes.online })}
 387         </li>
 388         <li className="list-inline-item badge badge-light">
 389           {i18n.t('number_of_users', {
 390             count: this.state.siteRes.site.number_of_users,
 391           })}
 392         </li>
 393         <li className="list-inline-item badge badge-light">
 394           {i18n.t('number_of_communities', {
 395             count: this.state.siteRes.site.number_of_communities,
 396           })}
 397         </li>
 398         <li className="list-inline-item badge badge-light">
 399           {i18n.t('number_of_posts', {
 400             count: this.state.siteRes.site.number_of_posts,
 401           })}
 402         </li>
 403         <li className="list-inline-item badge badge-light">
 404           {i18n.t('number_of_comments', {
 405             count: this.state.siteRes.site.number_of_comments,
 406           })}
 407         </li>
 408         <li className="list-inline-item">
 409           <Link className="badge badge-light" to="/modlog">
 410             {i18n.t('modlog')}
 411           </Link>
 412         </li>
 413       </ul>
 414     );
 415   }
 416
 417   adminButtons() {
 418     return (
 419       this.canAdmin && (
 420         <ul class="list-inline mb-1 text-muted font-weight-bold">
 421           <li className="list-inline-item-action">
 422             <span
 423               class="pointer"
 424               onClick={linkEvent(this, this.handleEditClick)}
 425               data-tippy-content={i18n.t('edit')}
 426             >
 427               <svg class="icon icon-inline">
 428                 <use xlinkHref="#icon-edit"></use>
 429               </svg>
 430             </span>
 431           </li>
 432         </ul>
 433       )
 434     );
 435   }
 436
 437   siteDescription() {
 438     return (
 439       <div
 440         className="md-div"
 441         dangerouslySetInnerHTML={mdToHtml(this.state.siteRes.site.description)}
 442       />
 443     );
 444   }
 445
 446   landing() {
 447     return (
 448       <>
 449         <h5>
 450           {i18n.t('powered_by')}
 451           <svg class="icon mx-2">
 452             <use xlinkHref="#icon-mouse">#</use>
 453           </svg>
 454           <a href={repoUrl}>
 455             Lemmy<sup>beta</sup>
 456           </a>
 457         </h5>
 458         <p class="mb-0">
 459           <T i18nKey="landing_0">
 460             #
 461             <a href="https://en.wikipedia.org/wiki/Social_network_aggregation">
 462               #
 463             </a>
 464             <a href="https://en.wikipedia.org/wiki/Fediverse">#</a>
 465             <br class="big"></br>
 466             <code>#</code>
 467             <br></br>
 468             <b>#</b>
 469             <br class="big"></br>
 470             <a href={repoUrl}>#</a>
 471             <br class="big"></br>
 472             <a href="https://www.rust-lang.org">#</a>
 473             <a href="https://actix.rs/">#</a>
 474             <a href="https://infernojs.org">#</a>
 475             <a href="https://www.typescriptlang.org/">#</a>
 476             <br class="big"></br>
 477             <a href="https://github.com/LemmyNet/lemmy/graphs/contributors?type=a">
 478               #
 479             </a>
 480           </T>
 481         </p>
 482       </>
 483     );
 484   }
 485
 486   posts() {
 487     return (
 488       <div class="main-content-wrapper">
 489         {this.state.loading ? (
 490           <h5>
 491             <svg class="icon icon-spinner spin">
 492               <use xlinkHref="#icon-spinner"></use>
 493             </svg>
 494           </h5>
 495         ) : (
 496           <div>
 497             {this.selects()}
 498             {this.listings()}
 499             {this.paginator()}
 500           </div>
 501         )}
 502       </div>
 503     );
 504   }
 505
 506   listings() {
 507     return this.state.dataType == DataType.Post ? (
 508       <PostListings
 509         posts={this.state.posts}
 510         showCommunity
 511         removeDuplicates
 512         sort={this.state.sort}
 513         enableDownvotes={this.state.siteRes.site.enable_downvotes}
 514         enableNsfw={this.state.siteRes.site.enable_nsfw}
 515       />
 516     ) : (
 517       <CommentNodes
 518         nodes={commentsToFlatNodes(this.state.comments)}
 519         noIndent
 520         showCommunity
 521         sortType={this.state.sort}
 522         showContext
 523         enableDownvotes={this.state.siteRes.site.enable_downvotes}
 524       />
 525     );
 526   }
 527
 528   selects() {
 529     return (
 530       <div className="mb-3">
 531         <span class="mr-3">
 532           <DataTypeSelect
 533             type_={this.state.dataType}
 534             onChange={this.handleDataTypeChange}
 535           />
 536         </span>
 537         <span class="mr-3">
 538           <ListingTypeSelect
 539             type_={this.state.listingType}
 540             showLocal={
 541               this.state.siteRes.federated_instances &&
 542               this.state.siteRes.federated_instances.length > 0
 543             }
 544             onChange={this.handleListingTypeChange}
 545           />
 546         </span>
 547         <span class="mr-2">
 548           <SortSelect sort={this.state.sort} onChange={this.handleSortChange} />
 549         </span>
 550         {this.state.listingType == ListingType.All && (
 551           <a
 552             href={`/feeds/all.xml?sort=${this.state.sort}`}
 553             target="_blank"
 554             rel="noopener"
 555             title="RSS"
 556           >
 557             <svg class="icon text-muted small">
 558               <use xlinkHref="#icon-rss">#</use>
 559             </svg>
 560           </a>
 561         )}
 562         {UserService.Instance.user &&
 563           this.state.listingType == ListingType.Subscribed && (
 564             <a
 565               href={`/feeds/front/${UserService.Instance.auth}.xml?sort=${this.state.sort}`}
 566               target="_blank"
 567               title="RSS"
 568               rel="noopener"
 569             >
 570               <svg class="icon text-muted small">
 571                 <use xlinkHref="#icon-rss">#</use>
 572               </svg>
 573             </a>
 574           )}
 575       </div>
 576     );
 577   }
 578
 579   paginator() {
 580     return (
 581       <div class="my-2">
 582         {this.state.page > 1 && (
 583           <button
 584             class="btn btn-secondary mr-1"
 585             onClick={linkEvent(this, this.prevPage)}
 586           >
 587             {i18n.t('prev')}
 588           </button>
 589         )}
 590         {this.state.posts.length > 0 && (
 591           <button
 592             class="btn btn-secondary"
 593             onClick={linkEvent(this, this.nextPage)}
 594           >
 595             {i18n.t('next')}
 596           </button>
 597         )}
 598       </div>
 599     );
 600   }
 601
 602   get canAdmin(): boolean {
 603     return (
 604       UserService.Instance.user &&
 605       this.state.siteRes.admins
 606         .map(a => a.id)
 607         .includes(UserService.Instance.user.id)
 608     );
 609   }
 610
 611   handleEditClick(i: Main) {
 612     i.state.showEditSite = true;
 613     i.setState(i.state);
 614   }
 615
 616   handleEditCancel() {
 617     this.state.showEditSite = false;
 618     this.setState(this.state);
 619   }
 620
 621   nextPage(i: Main) {
 622     i.updateUrl({ page: i.state.page + 1 });
 623     window.scrollTo(0, 0);
 624   }
 625
 626   prevPage(i: Main) {
 627     i.updateUrl({ page: i.state.page - 1 });
 628     window.scrollTo(0, 0);
 629   }
 630
 631   handleSortChange(val: SortType) {
 632     this.updateUrl({ sort: val, page: 1 });
 633     window.scrollTo(0, 0);
 634   }
 635
 636   handleListingTypeChange(val: ListingType) {
 637     this.updateUrl({ listingType: val, page: 1 });
 638     window.scrollTo(0, 0);
 639   }
 640
 641   handleDataTypeChange(val: DataType) {
 642     this.updateUrl({ dataType: DataType[val], page: 1 });
 643     window.scrollTo(0, 0);
 644   }
 645
 646   fetchData() {
 647     if (this.state.dataType == DataType.Post) {
 648       let getPostsForm: GetPostsForm = {
 649         page: this.state.page,
 650         limit: fetchLimit,
 651         sort: this.state.sort,
 652         type_: this.state.listingType,
 653       };
 654       WebSocketService.Instance.getPosts(getPostsForm);
 655     } else {
 656       let getCommentsForm: GetCommentsForm = {
 657         page: this.state.page,
 658         limit: fetchLimit,
 659         sort: this.state.sort,
 660         type_: this.state.listingType,
 661       };
 662       WebSocketService.Instance.getComments(getCommentsForm);
 663     }
 664   }
 665
 666   parseMessage(msg: WebSocketJsonResponse) {
 667     console.log(msg);
 668     let res = wsJsonToRes(msg);
 669     if (msg.error) {
 670       toast(i18n.t(msg.error), 'danger');
 671       return;
 672     } else if (msg.reconnect) {
 673       this.fetchData();
 674     } else if (res.op == UserOperation.GetFollowedCommunities) {
 675       let data = res.data as GetFollowedCommunitiesResponse;
 676       this.state.subscribedCommunities = data.communities;
 677       this.setState(this.state);
 678     } else if (res.op == UserOperation.ListCommunities) {
 679       let data = res.data as ListCommunitiesResponse;
 680       this.state.trendingCommunities = data.communities;
 681       this.setState(this.state);
 682     } else if (res.op == UserOperation.GetSite) {
 683       let data = res.data as GetSiteResponse;
 684
 685       // This means it hasn't been set up yet
 686       if (!data.site) {
 687         this.context.router.history.push('/setup');
 688       }
 689       this.state.siteRes.admins = data.admins;
 690       this.state.siteRes.site = data.site;
 691       this.state.siteRes.banned = data.banned;
 692       this.state.siteRes.online = data.online;
 693       this.setState(this.state);
 694     } else if (res.op == UserOperation.EditSite) {
 695       let data = res.data as SiteResponse;
 696       this.state.siteRes.site = data.site;
 697       this.state.showEditSite = false;
 698       this.setState(this.state);
 699       toast(i18n.t('site_saved'));
 700     } else if (res.op == UserOperation.GetPosts) {
 701       let data = res.data as GetPostsResponse;
 702       this.state.posts = data.posts;
 703       this.state.loading = false;
 704       this.setState(this.state);
 705       setupTippy();
 706     } else if (res.op == UserOperation.CreatePost) {
 707       let data = res.data as PostResponse;
 708
 709       // If you're on subscribed, only push it if you're subscribed.
 710       if (this.state.listingType == ListingType.Subscribed) {
 711         if (
 712           this.state.subscribedCommunities
 713             .map(c => c.community_id)
 714             .includes(data.post.community_id)
 715         ) {
 716           this.state.posts.unshift(data.post);
 717           notifyPost(data.post, this.context.router);
 718         }
 719       } else {
 720         // NSFW posts
 721         let nsfw = data.post.nsfw || data.post.community_nsfw;
 722
 723         // Don't push the post if its nsfw, and don't have that setting on
 724         if (
 725           !nsfw ||
 726           (nsfw &&
 727             UserService.Instance.user &&
 728             UserService.Instance.user.show_nsfw)
 729         ) {
 730           this.state.posts.unshift(data.post);
 731           notifyPost(data.post, this.context.router);
 732         }
 733       }
 734       this.setState(this.state);
 735     } else if (res.op == UserOperation.EditPost) {
 736       let data = res.data as PostResponse;
 737       editPostFindRes(data, this.state.posts);
 738       this.setState(this.state);
 739     } else if (res.op == UserOperation.CreatePostLike) {
 740       let data = res.data as PostResponse;
 741       createPostLikeFindRes(data, this.state.posts);
 742       this.setState(this.state);
 743     } else if (res.op == UserOperation.AddAdmin) {
 744       let data = res.data as AddAdminResponse;
 745       this.state.siteRes.admins = data.admins;
 746       this.setState(this.state);
 747     } else if (res.op == UserOperation.BanUser) {
 748       let data = res.data as BanUserResponse;
 749       let found = this.state.siteRes.banned.find(u => (u.id = data.user.id));
 750
 751       // Remove the banned if its found in the list, and the action is an unban
 752       if (found && !data.banned) {
 753         this.state.siteRes.banned = this.state.siteRes.banned.filter(
 754           i => i.id !== data.user.id
 755         );
 756       } else {
 757         this.state.siteRes.banned.push(data.user);
 758       }
 759
 760       this.state.posts
 761         .filter(p => p.creator_id == data.user.id)
 762         .forEach(p => (p.banned = data.banned));
 763
 764       this.setState(this.state);
 765     } else if (res.op == UserOperation.GetComments) {
 766       let data = res.data as GetCommentsResponse;
 767       this.state.comments = data.comments;
 768       this.state.loading = false;
 769       this.setState(this.state);
 770     } else if (
 771       res.op == UserOperation.EditComment ||
 772       res.op == UserOperation.DeleteComment ||
 773       res.op == UserOperation.RemoveComment
 774     ) {
 775       let data = res.data as CommentResponse;
 776       editCommentRes(data, this.state.comments);
 777       this.setState(this.state);
 778     } else if (res.op == UserOperation.CreateComment) {
 779       let data = res.data as CommentResponse;
 780
 781       // Necessary since it might be a user reply
 782       if (data.recipient_ids.length == 0) {
 783         // If you're on subscribed, only push it if you're subscribed.
 784         if (this.state.listingType == ListingType.Subscribed) {
 785           if (
 786             this.state.subscribedCommunities
 787               .map(c => c.community_id)
 788               .includes(data.comment.community_id)
 789           ) {
 790             this.state.comments.unshift(data.comment);
 791           }
 792         } else {
 793           this.state.comments.unshift(data.comment);
 794         }
 795         this.setState(this.state);
 796       }
 797     } else if (res.op == UserOperation.SaveComment) {
 798       let data = res.data as CommentResponse;
 799       saveCommentRes(data, this.state.comments);
 800       this.setState(this.state);
 801     } else if (res.op == UserOperation.CreateCommentLike) {
 802       let data = res.data as CommentResponse;
 803       createCommentLikeRes(data, this.state.comments);
 804       this.setState(this.state);
 805     }
 806   }
 807 }