src/shared/components/search.tsx

   1 import { None, Option, Some } from "@sniptt/monads";
   2 import { Component, linkEvent } from "inferno";
   3 import {
   4   CommentResponse,
   5   CommentView,
   6   CommunityView,
   7   GetCommunity,
   8   GetCommunityResponse,
   9   GetPersonDetails,
  10   GetPersonDetailsResponse,
  11   GetSiteResponse,
  12   ListCommunities,
  13   ListCommunitiesResponse,
  14   ListingType,
  15   PersonViewSafe,
  16   PostResponse,
  17   PostView,
  18   ResolveObject,
  19   ResolveObjectResponse,
  20   Search as SearchForm,
  21   SearchResponse,
  22   SearchType,
  23   SortType,
  24   UserOperation,
  25   wsJsonToRes,
  26   wsUserOp,
  27 } from "lemmy-js-client";
  28 import { Subscription } from "rxjs";
  29 import { i18n } from "../i18next";
  30 import { CommentViewType, InitialFetchRequest } from "../interfaces";
  31 import { WebSocketService } from "../services";
  32 import {
  33   auth,
  34   capitalizeFirstLetter,
  35   choicesConfig,
  36   commentsToFlatNodes,
  37   communitySelectName,
  38   communityToChoice,
  39   createCommentLikeRes,
  40   createPostLikeFindRes,
  41   debounce,
  42   enableDownvotes,
  43   enableNsfw,
  44   fetchCommunities,
  45   fetchLimit,
  46   fetchUsers,
  47   isBrowser,
  48   numToSI,
  49   personSelectName,
  50   personToChoice,
  51   pushNotNull,
  52   restoreScrollPosition,
  53   routeListingTypeToEnum,
  54   routeSearchTypeToEnum,
  55   routeSortTypeToEnum,
  56   saveScrollPosition,
  57   setIsoData,
  58   showLocal,
  59   toast,
  60   wsClient,
  61   wsSubscribe,
  62 } from "../utils";
  63 import { CommentNodes } from "./comment/comment-nodes";
  64 import { HtmlTags } from "./common/html-tags";
  65 import { Spinner } from "./common/icon";
  66 import { ListingTypeSelect } from "./common/listing-type-select";
  67 import { Paginator } from "./common/paginator";
  68 import { SortSelect } from "./common/sort-select";
  69 import { CommunityLink } from "./community/community-link";
  70 import { PersonListing } from "./person/person-listing";
  71 import { PostListing } from "./post/post-listing";
  72
  73 var Choices: any;
  74 if (isBrowser()) {
  75   Choices = require("choices.js");
  76 }
  77
  78 interface SearchProps {
  79   q: string;
  80   type_: SearchType;
  81   sort: SortType;
  82   listingType: ListingType;
  83   communityId: number;
  84   creatorId: number;
  85   page: number;
  86 }
  87
  88 interface SearchState {
  89   q: string;
  90   type_: SearchType;
  91   sort: SortType;
  92   listingType: ListingType;
  93   communityId: number;
  94   creatorId: number;
  95   page: number;
  96   searchResponse: Option<SearchResponse>;
  97   communities: CommunityView[];
  98   creatorDetails: Option<GetPersonDetailsResponse>;
  99   loading: boolean;
 100   siteRes: GetSiteResponse;
 101   searchText: string;
 102   resolveObjectResponse: Option<ResolveObjectResponse>;
 103 }
 104
 105 interface UrlParams {
 106   q?: string;
 107   type_?: SearchType;
 108   sort?: SortType;
 109   listingType?: ListingType;
 110   communityId?: number;
 111   creatorId?: number;
 112   page?: number;
 113 }
 114
 115 interface Combined {
 116   type_: string;
 117   data: CommentView | PostView | CommunityView | PersonViewSafe;
 118   published: string;
 119 }
 120
 121 export class Search extends Component<any, SearchState> {
 122   private isoData = setIsoData(
 123     this.context,
 124     GetCommunityResponse,
 125     ListCommunitiesResponse,
 126     GetPersonDetailsResponse,
 127     SearchResponse,
 128     ResolveObjectResponse
 129   );
 130   private communityChoices: any;
 131   private creatorChoices: any;
 132   private subscription: Subscription;
 133   private emptyState: SearchState = {
 134     q: Search.getSearchQueryFromProps(this.props.match.params.q),
 135     type_: Search.getSearchTypeFromProps(this.props.match.params.type),
 136     sort: Search.getSortTypeFromProps(this.props.match.params.sort),
 137     listingType: Search.getListingTypeFromProps(
 138       this.props.match.params.listing_type
 139     ),
 140     page: Search.getPageFromProps(this.props.match.params.page),
 141     searchText: Search.getSearchQueryFromProps(this.props.match.params.q),
 142     communityId: Search.getCommunityIdFromProps(
 143       this.props.match.params.community_id
 144     ),
 145     creatorId: Search.getCreatorIdFromProps(this.props.match.params.creator_id),
 146     searchResponse: None,
 147     resolveObjectResponse: None,
 148     creatorDetails: None,
 149     loading: true,
 150     siteRes: this.isoData.site_res,
 151     communities: [],
 152   };
 153
 154   static getSearchQueryFromProps(q: string): string {
 155     return decodeURIComponent(q) || "";
 156   }
 157
 158   static getSearchTypeFromProps(type_: string): SearchType {
 159     return type_ ? routeSearchTypeToEnum(type_) : SearchType.All;
 160   }
 161
 162   static getSortTypeFromProps(sort: string): SortType {
 163     return sort ? routeSortTypeToEnum(sort) : SortType.TopAll;
 164   }
 165
 166   static getListingTypeFromProps(listingType: string): ListingType {
 167     return listingType ? routeListingTypeToEnum(listingType) : ListingType.All;
 168   }
 169
 170   static getCommunityIdFromProps(id: string): number {
 171     return id ? Number(id) : 0;
 172   }
 173
 174   static getCreatorIdFromProps(id: string): number {
 175     return id ? Number(id) : 0;
 176   }
 177
 178   static getPageFromProps(page: string): number {
 179     return page ? Number(page) : 1;
 180   }
 181
 182   constructor(props: any, context: any) {
 183     super(props, context);
 184
 185     this.state = this.emptyState;
 186     this.handleSortChange = this.handleSortChange.bind(this);
 187     this.handleListingTypeChange = this.handleListingTypeChange.bind(this);
 188     this.handlePageChange = this.handlePageChange.bind(this);
 189
 190     this.parseMessage = this.parseMessage.bind(this);
 191     this.subscription = wsSubscribe(this.parseMessage);
 192
 193     // Only fetch the data if coming from another route
 194     if (this.isoData.path == this.context.router.route.match.url) {
 195       let communityRes = Some(
 196         this.isoData.routeData[0] as GetCommunityResponse
 197       );
 198       let communitiesRes = Some(
 199         this.isoData.routeData[1] as ListCommunitiesResponse
 200       );
 201
 202       // This can be single or multiple communities given
 203       if (communitiesRes.isSome()) {
 204         this.state = {
 205           ...this.state,
 206           communities: communitiesRes.unwrap().communities,
 207         };
 208       }
 209
 210       if (communityRes.isSome()) {
 211         this.state = {
 212           ...this.state,
 213           communities: [communityRes.unwrap().community_view],
 214         };
 215       }
 216
 217       this.state = {
 218         ...this.state,
 219         creatorDetails: Some(
 220           this.isoData.routeData[2] as GetPersonDetailsResponse
 221         ),
 222       };
 223
 224       if (this.state.q != "") {
 225         this.state = {
 226           ...this.state,
 227           searchResponse: Some(this.isoData.routeData[3] as SearchResponse),
 228           resolveObjectResponse: Some(
 229             this.isoData.routeData[4] as ResolveObjectResponse
 230           ),
 231           loading: false,
 232         };
 233       } else {
 234         this.search();
 235       }
 236     } else {
 237       this.fetchCommunities();
 238       this.search();
 239     }
 240   }
 241
 242   componentWillUnmount() {
 243     this.subscription.unsubscribe();
 244     saveScrollPosition(this.context);
 245   }
 246
 247   componentDidMount() {
 248     this.setupCommunityFilter();
 249     this.setupCreatorFilter();
 250   }
 251
 252   static getDerivedStateFromProps(props: any): SearchProps {
 253     return {
 254       q: Search.getSearchQueryFromProps(props.match.params.q),
 255       type_: Search.getSearchTypeFromProps(props.match.params.type),
 256       sort: Search.getSortTypeFromProps(props.match.params.sort),
 257       listingType: Search.getListingTypeFromProps(
 258         props.match.params.listing_type
 259       ),
 260       communityId: Search.getCommunityIdFromProps(
 261         props.match.params.community_id
 262       ),
 263       creatorId: Search.getCreatorIdFromProps(props.match.params.creator_id),
 264       page: Search.getPageFromProps(props.match.params.page),
 265     };
 266   }
 267
 268   fetchCommunities() {
 269     let listCommunitiesForm = new ListCommunities({
 270       type_: Some(ListingType.All),
 271       sort: Some(SortType.TopAll),
 272       limit: Some(fetchLimit),
 273       page: None,
 274       auth: auth(false).ok(),
 275     });
 276     WebSocketService.Instance.send(
 277       wsClient.listCommunities(listCommunitiesForm)
 278     );
 279   }
 280
 281   static fetchInitialData(req: InitialFetchRequest): Promise<any>[] {
 282     let pathSplit = req.path.split("/");
 283     let promises: Promise<any>[] = [];
 284
 285     let communityId = this.getCommunityIdFromProps(pathSplit[11]);
 286     let community_id: Option<number> =
 287       communityId == 0 ? None : Some(communityId);
 288     community_id.match({
 289       some: id => {
 290         let getCommunityForm = new GetCommunity({
 291           id: Some(id),
 292           name: None,
 293           auth: req.auth,
 294         });
 295         promises.push(req.client.getCommunity(getCommunityForm));
 296         promises.push(Promise.resolve());
 297       },
 298       none: () => {
 299         let listCommunitiesForm = new ListCommunities({
 300           type_: Some(ListingType.All),
 301           sort: Some(SortType.TopAll),
 302           limit: Some(fetchLimit),
 303           page: None,
 304           auth: req.auth,
 305         });
 306         promises.push(Promise.resolve());
 307         promises.push(req.client.listCommunities(listCommunitiesForm));
 308       },
 309     });
 310
 311     let creatorId = this.getCreatorIdFromProps(pathSplit[13]);
 312     let creator_id: Option<number> = creatorId == 0 ? None : Some(creatorId);
 313     creator_id.match({
 314       some: id => {
 315         let getCreatorForm = new GetPersonDetails({
 316           person_id: Some(id),
 317           username: None,
 318           sort: None,
 319           page: None,
 320           limit: None,
 321           community_id: None,
 322           saved_only: None,
 323           auth: req.auth,
 324         });
 325         promises.push(req.client.getPersonDetails(getCreatorForm));
 326       },
 327       none: () => {
 328         promises.push(Promise.resolve());
 329       },
 330     });
 331
 332     let form = new SearchForm({
 333       q: this.getSearchQueryFromProps(pathSplit[3]),
 334       community_id,
 335       community_name: None,
 336       creator_id,
 337       type_: Some(this.getSearchTypeFromProps(pathSplit[5])),
 338       sort: Some(this.getSortTypeFromProps(pathSplit[7])),
 339       listing_type: Some(this.getListingTypeFromProps(pathSplit[9])),
 340       page: Some(this.getPageFromProps(pathSplit[15])),
 341       limit: Some(fetchLimit),
 342       auth: req.auth,
 343     });
 344
 345     let resolveObjectForm = new ResolveObject({
 346       q: this.getSearchQueryFromProps(pathSplit[3]),
 347       auth: req.auth,
 348     });
 349
 350     if (form.q != "") {
 351       promises.push(req.client.search(form));
 352       promises.push(req.client.resolveObject(resolveObjectForm));
 353     } else {
 354       promises.push(Promise.resolve());
 355       promises.push(Promise.resolve());
 356     }
 357
 358     return promises;
 359   }
 360
 361   componentDidUpdate(_: any, lastState: SearchState) {
 362     if (
 363       lastState.q !== this.state.q ||
 364       lastState.type_ !== this.state.type_ ||
 365       lastState.sort !== this.state.sort ||
 366       lastState.listingType !== this.state.listingType ||
 367       lastState.communityId !== this.state.communityId ||
 368       lastState.creatorId !== this.state.creatorId ||
 369       lastState.page !== this.state.page
 370     ) {
 371       this.setState({
 372         loading: true,
 373         searchText: this.state.q,
 374         searchResponse: None,
 375         resolveObjectResponse: None,
 376       });
 377       this.search();
 378     }
 379   }
 380
 381   get documentTitle(): string {
 382     return this.state.siteRes.site_view.match({
 383       some: siteView =>
 384         this.state.q
 385           ? `${i18n.t("search")} - ${this.state.q} - ${siteView.site.name}`
 386           : `${i18n.t("search")} - ${siteView.site.name}`,
 387       none: "",
 388     });
 389   }
 390
 391   render() {
 392     return (
 393       <div className="container">
 394         <HtmlTags
 395           title={this.documentTitle}
 396           path={this.context.router.route.match.url}
 397           description={None}
 398           image={None}
 399         />
 400         <h5>{i18n.t("search")}</h5>
 401         {this.selects()}
 402         {this.searchForm()}
 403         {this.state.type_ == SearchType.All && this.all()}
 404         {this.state.type_ == SearchType.Comments && this.comments()}
 405         {this.state.type_ == SearchType.Posts && this.posts()}
 406         {this.state.type_ == SearchType.Communities && this.communities()}
 407         {this.state.type_ == SearchType.Users && this.users()}
 408         {this.state.type_ == SearchType.Url && this.posts()}
 409         {this.resultsCount() == 0 && <span>{i18n.t("no_results")}</span>}
 410         <Paginator page={this.state.page} onChange={this.handlePageChange} />
 411       </div>
 412     );
 413   }
 414
 415   searchForm() {
 416     return (
 417       <form
 418         className="form-inline"
 419         onSubmit={linkEvent(this, this.handleSearchSubmit)}
 420       >
 421         <input
 422           type="text"
 423           className="form-control mr-2 mb-2"
 424           value={this.state.searchText}
 425           placeholder={`${i18n.t("search")}...`}
 426           aria-label={i18n.t("search")}
 427           onInput={linkEvent(this, this.handleQChange)}
 428           required
 429           minLength={1}
 430         />
 431         <button type="submit" className="btn btn-secondary mr-2 mb-2">
 432           {this.state.loading ? <Spinner /> : <span>{i18n.t("search")}</span>}
 433         </button>
 434       </form>
 435     );
 436   }
 437
 438   selects() {
 439     return (
 440       <div className="mb-2">
 441         <select
 442           value={this.state.type_}
 443           onChange={linkEvent(this, this.handleTypeChange)}
 444           className="custom-select w-auto mb-2"
 445           aria-label={i18n.t("type")}
 446         >
 447           <option disabled aria-hidden="true">
 448             {i18n.t("type")}
 449           </option>
 450           <option value={SearchType.All}>{i18n.t("all")}</option>
 451           <option value={SearchType.Comments}>{i18n.t("comments")}</option>
 452           <option value={SearchType.Posts}>{i18n.t("posts")}</option>
 453           <option value={SearchType.Communities}>
 454             {i18n.t("communities")}
 455           </option>
 456           <option value={SearchType.Users}>{i18n.t("users")}</option>
 457           <option value={SearchType.Url}>{i18n.t("url")}</option>
 458         </select>
 459         <span className="ml-2">
 460           <ListingTypeSelect
 461             type_={this.state.listingType}
 462             showLocal={showLocal(this.isoData)}
 463             showSubscribed
 464             onChange={this.handleListingTypeChange}
 465           />
 466         </span>
 467         <span className="ml-2">
 468           <SortSelect
 469             sort={this.state.sort}
 470             onChange={this.handleSortChange}
 471             hideHot
 472             hideMostComments
 473           />
 474         </span>
 475         <div className="form-row">
 476           {this.state.communities.length > 0 && this.communityFilter()}
 477           {this.creatorFilter()}
 478         </div>
 479       </div>
 480     );
 481   }
 482
 483   postViewToCombined(postView: PostView): Combined {
 484     return {
 485       type_: "posts",
 486       data: postView,
 487       published: postView.post.published,
 488     };
 489   }
 490
 491   commentViewToCombined(commentView: CommentView): Combined {
 492     return {
 493       type_: "comments",
 494       data: commentView,
 495       published: commentView.comment.published,
 496     };
 497   }
 498
 499   communityViewToCombined(communityView: CommunityView): Combined {
 500     return {
 501       type_: "communities",
 502       data: communityView,
 503       published: communityView.community.published,
 504     };
 505   }
 506
 507   personViewSafeToCombined(personViewSafe: PersonViewSafe): Combined {
 508     return {
 509       type_: "users",
 510       data: personViewSafe,
 511       published: personViewSafe.person.published,
 512     };
 513   }
 514
 515   buildCombined(): Combined[] {
 516     let combined: Combined[] = [];
 517
 518     // Push the possible resolve / federated objects first
 519     this.state.resolveObjectResponse.match({
 520       some: res => {
 521         let resolveComment = res.comment;
 522         if (resolveComment.isSome()) {
 523           combined.push(this.commentViewToCombined(resolveComment.unwrap()));
 524         }
 525         let resolvePost = res.post;
 526         if (resolvePost.isSome()) {
 527           combined.push(this.postViewToCombined(resolvePost.unwrap()));
 528         }
 529         let resolveCommunity = res.community;
 530         if (resolveCommunity.isSome()) {
 531           combined.push(
 532             this.communityViewToCombined(resolveCommunity.unwrap())
 533           );
 534         }
 535         let resolveUser = res.person;
 536         if (resolveUser.isSome()) {
 537           combined.push(this.personViewSafeToCombined(resolveUser.unwrap()));
 538         }
 539       },
 540       none: void 0,
 541     });
 542
 543     // Push the search results
 544     this.state.searchResponse.match({
 545       some: res => {
 546         pushNotNull(
 547           combined,
 548           res.comments?.map(e => this.commentViewToCombined(e))
 549         );
 550         pushNotNull(
 551           combined,
 552           res.posts?.map(e => this.postViewToCombined(e))
 553         );
 554         pushNotNull(
 555           combined,
 556           res.communities?.map(e => this.communityViewToCombined(e))
 557         );
 558         pushNotNull(
 559           combined,
 560           res.users?.map(e => this.personViewSafeToCombined(e))
 561         );
 562       },
 563       none: void 0,
 564     });
 565
 566     // Sort it
 567     if (this.state.sort == SortType.New) {
 568       combined.sort((a, b) => b.published.localeCompare(a.published));
 569     } else {
 570       combined.sort(
 571         (a, b) =>
 572           ((b.data as CommentView | PostView).counts.score |
 573             (b.data as CommunityView).counts.subscribers |
 574             (b.data as PersonViewSafe).counts.comment_score) -
 575           ((a.data as CommentView | PostView).counts.score |
 576             (a.data as CommunityView).counts.subscribers |
 577             (a.data as PersonViewSafe).counts.comment_score)
 578       );
 579     }
 580     return combined;
 581   }
 582
 583   all() {
 584     let combined = this.buildCombined();
 585     return (
 586       <div>
 587         {combined.map(i => (
 588           <div key={i.published} className="row">
 589             <div className="col-12">
 590               {i.type_ == "posts" && (
 591                 <PostListing
 592                   key={(i.data as PostView).post.id}
 593                   post_view={i.data as PostView}
 594                   duplicates={None}
 595                   moderators={None}
 596                   admins={None}
 597                   showCommunity
 598                   enableDownvotes={enableDownvotes(this.state.siteRes)}
 599                   enableNsfw={enableNsfw(this.state.siteRes)}
 600                   viewOnly
 601                 />
 602               )}
 603               {i.type_ == "comments" && (
 604                 <CommentNodes
 605                   key={(i.data as CommentView).comment.id}
 606                   nodes={[
 607                     {
 608                       comment_view: i.data as CommentView,
 609                       children: [],
 610                       depth: 0,
 611                     },
 612                   ]}
 613                   viewType={CommentViewType.Flat}
 614                   viewOnly
 615                   moderators={None}
 616                   admins={None}
 617                   maxCommentsShown={None}
 618                   locked
 619                   noIndent
 620                   enableDownvotes={enableDownvotes(this.state.siteRes)}
 621                 />
 622               )}
 623               {i.type_ == "communities" && (
 624                 <div>{this.communityListing(i.data as CommunityView)}</div>
 625               )}
 626               {i.type_ == "users" && (
 627                 <div>{this.personListing(i.data as PersonViewSafe)}</div>
 628               )}
 629             </div>
 630           </div>
 631         ))}
 632       </div>
 633     );
 634   }
 635
 636   comments() {
 637     let comments: CommentView[] = [];
 638
 639     this.state.resolveObjectResponse.match({
 640       some: res => pushNotNull(comments, res.comment),
 641       none: void 0,
 642     });
 643     this.state.searchResponse.match({
 644       some: res => pushNotNull(comments, res.comments),
 645       none: void 0,
 646     });
 647
 648     return (
 649       <CommentNodes
 650         nodes={commentsToFlatNodes(comments)}
 651         viewType={CommentViewType.Flat}
 652         viewOnly
 653         locked
 654         noIndent
 655         moderators={None}
 656         admins={None}
 657         maxCommentsShown={None}
 658         enableDownvotes={enableDownvotes(this.state.siteRes)}
 659       />
 660     );
 661   }
 662
 663   posts() {
 664     let posts: PostView[] = [];
 665
 666     this.state.resolveObjectResponse.match({
 667       some: res => pushNotNull(posts, res.post),
 668       none: void 0,
 669     });
 670     this.state.searchResponse.match({
 671       some: res => pushNotNull(posts, res.posts),
 672       none: void 0,
 673     });
 674
 675     return (
 676       <>
 677         {posts.map(pv => (
 678           <div key={pv.post.id} className="row">
 679             <div className="col-12">
 680               <PostListing
 681                 post_view={pv}
 682                 showCommunity
 683                 duplicates={None}
 684                 moderators={None}
 685                 admins={None}
 686                 enableDownvotes={enableDownvotes(this.state.siteRes)}
 687                 enableNsfw={enableNsfw(this.state.siteRes)}
 688                 viewOnly
 689               />
 690             </div>
 691           </div>
 692         ))}
 693       </>
 694     );
 695   }
 696
 697   communities() {
 698     let communities: CommunityView[] = [];
 699
 700     this.state.resolveObjectResponse.match({
 701       some: res => pushNotNull(communities, res.community),
 702       none: void 0,
 703     });
 704     this.state.searchResponse.match({
 705       some: res => pushNotNull(communities, res.communities),
 706       none: void 0,
 707     });
 708
 709     return (
 710       <>
 711         {communities.map(cv => (
 712           <div key={cv.community.id} className="row">
 713             <div className="col-12">{this.communityListing(cv)}</div>
 714           </div>
 715         ))}
 716       </>
 717     );
 718   }
 719
 720   users() {
 721     let users: PersonViewSafe[] = [];
 722
 723     this.state.resolveObjectResponse.match({
 724       some: res => pushNotNull(users, res.person),
 725       none: void 0,
 726     });
 727     this.state.searchResponse.match({
 728       some: res => pushNotNull(users, res.users),
 729       none: void 0,
 730     });
 731
 732     return (
 733       <>
 734         {users.map(pvs => (
 735           <div key={pvs.person.id} className="row">
 736             <div className="col-12">{this.personListing(pvs)}</div>
 737           </div>
 738         ))}
 739       </>
 740     );
 741   }
 742
 743   communityListing(community_view: CommunityView) {
 744     return (
 745       <>
 746         <span>
 747           <CommunityLink community={community_view.community} />
 748         </span>
 749         <span>{` -
 750         ${i18n.t("number_of_subscribers", {
 751           count: community_view.counts.subscribers,
 752           formattedCount: numToSI(community_view.counts.subscribers),
 753         })}
 754       `}</span>
 755       </>
 756     );
 757   }
 758
 759   personListing(person_view: PersonViewSafe) {
 760     return (
 761       <>
 762         <span>
 763           <PersonListing person={person_view.person} showApubName />
 764         </span>
 765         <span>{` - ${i18n.t("number_of_comments", {
 766           count: person_view.counts.comment_count,
 767           formattedCount: numToSI(person_view.counts.comment_count),
 768         })}`}</span>
 769       </>
 770     );
 771   }
 772
 773   communityFilter() {
 774     return (
 775       <div className="form-group col-sm-6">
 776         <label className="col-form-label" htmlFor="community-filter">
 777           {i18n.t("community")}
 778         </label>
 779         <div>
 780           <select
 781             className="form-control"
 782             id="community-filter"
 783             value={this.state.communityId}
 784           >
 785             <option value="0">{i18n.t("all")}</option>
 786             {this.state.communities.map(cv => (
 787               <option key={cv.community.id} value={cv.community.id}>
 788                 {communitySelectName(cv)}
 789               </option>
 790             ))}
 791           </select>
 792         </div>
 793       </div>
 794     );
 795   }
 796
 797   creatorFilter() {
 798     return (
 799       <div className="form-group col-sm-6">
 800         <label className="col-form-label" htmlFor="creator-filter">
 801           {capitalizeFirstLetter(i18n.t("creator"))}
 802         </label>
 803         <div>
 804           <select
 805             className="form-control"
 806             id="creator-filter"
 807             value={this.state.creatorId}
 808           >
 809             <option value="0">{i18n.t("all")}</option>
 810             {this.state.creatorDetails.match({
 811               some: creator => (
 812                 <option value={creator.person_view.person.id}>
 813                   {personSelectName(creator.person_view)}
 814                 </option>
 815               ),
 816               none: <></>,
 817             })}
 818           </select>
 819         </div>
 820       </div>
 821     );
 822   }
 823
 824   resultsCount(): number {
 825     let searchCount = this.state.searchResponse
 826       .map(
 827         r =>
 828           r.posts?.length +
 829           r.comments?.length +
 830           r.communities?.length +
 831           r.users?.length
 832       )
 833       .unwrapOr(0);
 834
 835     let resObjCount = this.state.resolveObjectResponse
 836       .map(r => (r.post || r.person || r.community || r.comment ? 1 : 0))
 837       .unwrapOr(0);
 838
 839     return resObjCount + searchCount;
 840   }
 841
 842   handlePageChange(page: number) {
 843     this.updateUrl({ page });
 844   }
 845
 846   search() {
 847     let community_id: Option<number> =
 848       this.state.communityId == 0 ? None : Some(this.state.communityId);
 849     let creator_id: Option<number> =
 850       this.state.creatorId == 0 ? None : Some(this.state.creatorId);
 851
 852     let form = new SearchForm({
 853       q: this.state.q,
 854       community_id,
 855       community_name: None,
 856       creator_id,
 857       type_: Some(this.state.type_),
 858       sort: Some(this.state.sort),
 859       listing_type: Some(this.state.listingType),
 860       page: Some(this.state.page),
 861       limit: Some(fetchLimit),
 862       auth: auth(false).ok(),
 863     });
 864
 865     let resolveObjectForm = new ResolveObject({
 866       q: this.state.q,
 867       auth: auth(false).ok(),
 868     });
 869
 870     if (this.state.q != "") {
 871       this.setState({
 872         searchResponse: None,
 873         resolveObjectResponse: None,
 874         loading: true,
 875       });
 876       WebSocketService.Instance.send(wsClient.search(form));
 877       WebSocketService.Instance.send(wsClient.resolveObject(resolveObjectForm));
 878     }
 879   }
 880
 881   setupCommunityFilter() {
 882     if (isBrowser()) {
 883       let selectId: any = document.getElementById("community-filter");
 884       if (selectId) {
 885         this.communityChoices = new Choices(selectId, choicesConfig);
 886         this.communityChoices.passedElement.element.addEventListener(
 887           "choice",
 888           (e: any) => {
 889             this.handleCommunityFilterChange(Number(e.detail.choice.value));
 890           },
 891           false
 892         );
 893         this.communityChoices.passedElement.element.addEventListener(
 894           "search",
 895           debounce(async (e: any) => {
 896             try {
 897               let communities = (await fetchCommunities(e.detail.value))
 898                 .communities;
 899               let choices = communities.map(cv => communityToChoice(cv));
 900               choices.unshift({ value: "0", label: i18n.t("all") });
 901               this.communityChoices.setChoices(choices, "value", "label", true);
 902             } catch (err) {
 903               console.error(err);
 904             }
 905           }),
 906           false
 907         );
 908       }
 909     }
 910   }
 911
 912   setupCreatorFilter() {
 913     if (isBrowser()) {
 914       let selectId: any = document.getElementById("creator-filter");
 915       if (selectId) {
 916         this.creatorChoices = new Choices(selectId, choicesConfig);
 917         this.creatorChoices.passedElement.element.addEventListener(
 918           "choice",
 919           (e: any) => {
 920             this.handleCreatorFilterChange(Number(e.detail.choice.value));
 921           },
 922           false
 923         );
 924         this.creatorChoices.passedElement.element.addEventListener(
 925           "search",
 926           debounce(async (e: any) => {
 927             try {
 928               let creators = (await fetchUsers(e.detail.value)).users;
 929               let choices = creators.map(pvs => personToChoice(pvs));
 930               choices.unshift({ value: "0", label: i18n.t("all") });
 931               this.creatorChoices.setChoices(choices, "value", "label", true);
 932             } catch (err) {
 933               console.log(err);
 934             }
 935           }),
 936           false
 937         );
 938       }
 939     }
 940   }
 941
 942   handleSortChange(val: SortType) {
 943     this.updateUrl({ sort: val, page: 1 });
 944   }
 945
 946   handleTypeChange(i: Search, event: any) {
 947     i.updateUrl({
 948       type_: SearchType[event.target.value],
 949       page: 1,
 950     });
 951   }
 952
 953   handleListingTypeChange(val: ListingType) {
 954     this.updateUrl({
 955       listingType: val,
 956       page: 1,
 957     });
 958   }
 959
 960   handleCommunityFilterChange(communityId: number) {
 961     this.updateUrl({
 962       communityId,
 963       page: 1,
 964     });
 965   }
 966
 967   handleCreatorFilterChange(creatorId: number) {
 968     this.updateUrl({
 969       creatorId,
 970       page: 1,
 971     });
 972   }
 973
 974   handleSearchSubmit(i: Search, event: any) {
 975     event.preventDefault();
 976     i.updateUrl({
 977       q: i.state.searchText,
 978       type_: i.state.type_,
 979       listingType: i.state.listingType,
 980       communityId: i.state.communityId,
 981       creatorId: i.state.creatorId,
 982       sort: i.state.sort,
 983       page: i.state.page,
 984     });
 985   }
 986
 987   handleQChange(i: Search, event: any) {
 988     i.setState({ searchText: event.target.value });
 989   }
 990
 991   updateUrl(paramUpdates: UrlParams) {
 992     const qStr = paramUpdates.q || this.state.q;
 993     const qStrEncoded = encodeURIComponent(qStr);
 994     const typeStr = paramUpdates.type_ || this.state.type_;
 995     const listingTypeStr = paramUpdates.listingType || this.state.listingType;
 996     const sortStr = paramUpdates.sort || this.state.sort;
 997     const communityId =
 998       paramUpdates.communityId == 0
 999         ? 0
1000         : paramUpdates.communityId || this.state.communityId;
1001     const creatorId =
1002       paramUpdates.creatorId == 0
1003         ? 0
1004         : paramUpdates.creatorId || this.state.creatorId;
1005     const page = paramUpdates.page || this.state.page;
1006     this.props.history.push(
1007       `/search/q/${qStrEncoded}/type/${typeStr}/sort/${sortStr}/listing_type/${listingTypeStr}/community_id/${communityId}/creator_id/${creatorId}/page/${page}`
1008     );
1009   }
1010
1011   parseMessage(msg: any) {
1012     console.log(msg);
1013     let op = wsUserOp(msg);
1014     if (msg.error) {
1015       if (msg.error == "couldnt_find_object") {
1016         this.setState({
1017           resolveObjectResponse: Some({
1018             comment: None,
1019             post: None,
1020             community: None,
1021             person: None,
1022           }),
1023         });
1024         this.checkFinishedLoading();
1025       } else {
1026         toast(i18n.t(msg.error), "danger");
1027         return;
1028       }
1029     } else if (op == UserOperation.Search) {
1030       let data = wsJsonToRes<SearchResponse>(msg, SearchResponse);
1031       this.setState({ searchResponse: Some(data) });
1032       window.scrollTo(0, 0);
1033       this.checkFinishedLoading();
1034       restoreScrollPosition(this.context);
1035     } else if (op == UserOperation.CreateCommentLike) {
1036       let data = wsJsonToRes<CommentResponse>(msg, CommentResponse);
1037       createCommentLikeRes(
1038         data.comment_view,
1039         this.state.searchResponse.map(r => r.comments).unwrapOr([])
1040       );
1041       this.setState(this.state);
1042     } else if (op == UserOperation.CreatePostLike) {
1043       let data = wsJsonToRes<PostResponse>(msg, PostResponse);
1044       createPostLikeFindRes(
1045         data.post_view,
1046         this.state.searchResponse.map(r => r.posts).unwrapOr([])
1047       );
1048       this.setState(this.state);
1049     } else if (op == UserOperation.ListCommunities) {
1050       let data = wsJsonToRes<ListCommunitiesResponse>(
1051         msg,
1052         ListCommunitiesResponse
1053       );
1054       this.setState({ communities: data.communities });
1055       this.setupCommunityFilter();
1056     } else if (op == UserOperation.ResolveObject) {
1057       let data = wsJsonToRes<ResolveObjectResponse>(msg, ResolveObjectResponse);
1058       this.setState({ resolveObjectResponse: Some(data) });
1059       this.checkFinishedLoading();
1060     }
1061   }
1062
1063   checkFinishedLoading() {
1064     if (
1065       this.state.searchResponse.isSome() &&
1066       this.state.resolveObjectResponse.isSome()
1067     ) {
1068       this.setState({ loading: false });
1069     }
1070   }
1071 }