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