ui/src/components/search.tsx

   1 import { Component, linkEvent } from 'inferno';
   2 import { Link } from 'inferno-router';
   3 import { Subscription } from 'rxjs';
   4 import { retryWhen, delay, take } from 'rxjs/operators';
   5 import {
   6   UserOperation,
   7   Post,
   8   Comment,
   9   Community,
  10   UserView,
  11   SortType,
  12   SearchForm,
  13   SearchResponse,
  14   SearchType,
  15   PostResponse,
  16   CommentResponse,
  17   WebSocketJsonResponse,
  18 } from '../interfaces';
  19 import { WebSocketService } from '../services';
  20 import {
  21   wsJsonToRes,
  22   fetchLimit,
  23   routeSearchTypeToEnum,
  24   routeSortTypeToEnum,
  25   pictrsAvatarThumbnail,
  26   showAvatars,
  27   toast,
  28   createCommentLikeRes,
  29   createPostLikeFindRes,
  30   commentsToFlatNodes,
  31 } from '../utils';
  32 import { PostListing } from './post-listing';
  33 import { UserListing } from './user-listing';
  34 import { SortSelect } from './sort-select';
  35 import { CommentNodes } from './comment-nodes';
  36 import { i18n } from '../i18next';
  37
  38 interface SearchState {
  39   q: string;
  40   type_: SearchType;
  41   sort: SortType;
  42   page: number;
  43   searchResponse: SearchResponse;
  44   loading: boolean;
  45 }
  46
  47 export class Search extends Component<any, SearchState> {
  48   private subscription: Subscription;
  49   private emptyState: SearchState = {
  50     q: this.getSearchQueryFromProps(this.props),
  51     type_: this.getSearchTypeFromProps(this.props),
  52     sort: this.getSortTypeFromProps(this.props),
  53     page: this.getPageFromProps(this.props),
  54     searchResponse: {
  55       type_: null,
  56       posts: [],
  57       comments: [],
  58       communities: [],
  59       users: [],
  60     },
  61     loading: false,
  62   };
  63
  64   getSearchQueryFromProps(props: any): string {
  65     return props.match.params.q ? props.match.params.q : '';
  66   }
  67
  68   getSearchTypeFromProps(props: any): SearchType {
  69     return props.match.params.type
  70       ? routeSearchTypeToEnum(props.match.params.type)
  71       : SearchType.All;
  72   }
  73
  74   getSortTypeFromProps(props: any): SortType {
  75     return props.match.params.sort
  76       ? routeSortTypeToEnum(props.match.params.sort)
  77       : SortType.TopAll;
  78   }
  79
  80   getPageFromProps(props: any): number {
  81     return props.match.params.page ? Number(props.match.params.page) : 1;
  82   }
  83
  84   constructor(props: any, context: any) {
  85     super(props, context);
  86
  87     this.state = this.emptyState;
  88     this.handleSortChange = this.handleSortChange.bind(this);
  89
  90     this.subscription = WebSocketService.Instance.subject
  91       .pipe(retryWhen(errors => errors.pipe(delay(3000), take(10))))
  92       .subscribe(
  93         msg => this.parseMessage(msg),
  94         err => console.error(err),
  95         () => console.log('complete')
  96       );
  97
  98     if (this.state.q) {
  99       this.search();
 100     }
 101   }
 102
 103   componentWillUnmount() {
 104     this.subscription.unsubscribe();
 105   }
 106
 107   // Necessary for back button for some reason
 108   componentWillReceiveProps(nextProps: any) {
 109     if (
 110       nextProps.history.action == 'POP' ||
 111       nextProps.history.action == 'PUSH'
 112     ) {
 113       this.state = this.emptyState;
 114       this.state.q = this.getSearchQueryFromProps(nextProps);
 115       this.state.type_ = this.getSearchTypeFromProps(nextProps);
 116       this.state.sort = this.getSortTypeFromProps(nextProps);
 117       this.state.page = this.getPageFromProps(nextProps);
 118       this.setState(this.state);
 119       this.search();
 120     }
 121   }
 122
 123   componentDidMount() {
 124     document.title = `${i18n.t('search')} - ${
 125       WebSocketService.Instance.site.name
 126     }`;
 127   }
 128
 129   render() {
 130     return (
 131       <div class="container">
 132         <h5>{i18n.t('search')}</h5>
 133         {this.selects()}
 134         {this.searchForm()}
 135         {this.state.type_ == SearchType.All && this.all()}
 136         {this.state.type_ == SearchType.Comments && this.comments()}
 137         {this.state.type_ == SearchType.Posts && this.posts()}
 138         {this.state.type_ == SearchType.Communities && this.communities()}
 139         {this.state.type_ == SearchType.Users && this.users()}
 140         {this.noResults()}
 141         {this.paginator()}
 142       </div>
 143     );
 144   }
 145
 146   searchForm() {
 147     return (
 148       <form
 149         class="form-inline"
 150         onSubmit={linkEvent(this, this.handleSearchSubmit)}
 151       >
 152         <input
 153           type="text"
 154           class="form-control mr-2"
 155           value={this.state.q}
 156           placeholder={`${i18n.t('search')}...`}
 157           onInput={linkEvent(this, this.handleQChange)}
 158           required
 159           minLength={3}
 160         />
 161         <button type="submit" class="btn btn-secondary mr-2">
 162           {this.state.loading ? (
 163             <svg class="icon icon-spinner spin">
 164               <use xlinkHref="#icon-spinner"></use>
 165             </svg>
 166           ) : (
 167             <span>{i18n.t('search')}</span>
 168           )}
 169         </button>
 170       </form>
 171     );
 172   }
 173
 174   selects() {
 175     return (
 176       <div className="mb-2">
 177         <select
 178           value={this.state.type_}
 179           onChange={linkEvent(this, this.handleTypeChange)}
 180           class="custom-select custom-select-sm w-auto"
 181         >
 182           <option disabled>{i18n.t('type')}</option>
 183           <option value={SearchType.All}>{i18n.t('all')}</option>
 184           <option value={SearchType.Comments}>{i18n.t('comments')}</option>
 185           <option value={SearchType.Posts}>{i18n.t('posts')}</option>
 186           <option value={SearchType.Communities}>
 187             {i18n.t('communities')}
 188           </option>
 189           <option value={SearchType.Users}>{i18n.t('users')}</option>
 190         </select>
 191         <span class="ml-2">
 192           <SortSelect
 193             sort={this.state.sort}
 194             onChange={this.handleSortChange}
 195             hideHot
 196           />
 197         </span>
 198       </div>
 199     );
 200   }
 201
 202   all() {
 203     let combined: Array<{
 204       type_: string;
 205       data: Comment | Post | Community | UserView;
 206     }> = [];
 207     let comments = this.state.searchResponse.comments.map(e => {
 208       return { type_: 'comments', data: e };
 209     });
 210     let posts = this.state.searchResponse.posts.map(e => {
 211       return { type_: 'posts', data: e };
 212     });
 213     let communities = this.state.searchResponse.communities.map(e => {
 214       return { type_: 'communities', data: e };
 215     });
 216     let users = this.state.searchResponse.users.map(e => {
 217       return { type_: 'users', data: e };
 218     });
 219
 220     combined.push(...comments);
 221     combined.push(...posts);
 222     combined.push(...communities);
 223     combined.push(...users);
 224
 225     // Sort it
 226     if (this.state.sort == SortType.New) {
 227       combined.sort((a, b) => b.data.published.localeCompare(a.data.published));
 228     } else {
 229       combined.sort(
 230         (a, b) =>
 231           ((b.data as Comment | Post).score |
 232             (b.data as Community).number_of_subscribers |
 233             (b.data as UserView).comment_score) -
 234           ((a.data as Comment | Post).score |
 235             (a.data as Community).number_of_subscribers |
 236             (a.data as UserView).comment_score)
 237       );
 238     }
 239
 240     return (
 241       <div>
 242         {combined.map(i => (
 243           <div class="row">
 244             <div class="col-12">
 245               {i.type_ == 'posts' && (
 246                 <PostListing post={i.data as Post} showCommunity />
 247               )}
 248               {i.type_ == 'comments' && (
 249                 <CommentNodes
 250                   nodes={[{ comment: i.data as Comment }]}
 251                   locked
 252                   noIndent
 253                 />
 254               )}
 255               {i.type_ == 'communities' && (
 256                 <div>
 257                   <span>
 258                     <Link to={`/c/${(i.data as Community).name}`}>{`/c/${
 259                       (i.data as Community).name
 260                     }`}</Link>
 261                   </span>
 262                   <span>{` - ${(i.data as Community).title} - ${
 263                     (i.data as Community).number_of_subscribers
 264                   } subscribers`}</span>
 265                 </div>
 266               )}
 267               {i.type_ == 'users' && (
 268                 <div>
 269                   <span>
 270                     <UserListing
 271                       user={{
 272                         name: (i.data as UserView).name,
 273                         avatar: (i.data as UserView).avatar,
 274                       }}
 275                     />
 276                   </span>
 277                   <span>{` - ${
 278                     (i.data as UserView).comment_score
 279                   } comment karma`}</span>
 280                 </div>
 281               )}
 282             </div>
 283           </div>
 284         ))}
 285       </div>
 286     );
 287   }
 288
 289   comments() {
 290     return (
 291       <CommentNodes
 292         nodes={commentsToFlatNodes(this.state.searchResponse.comments)}
 293         locked
 294         noIndent
 295       />
 296     );
 297   }
 298
 299   posts() {
 300     return (
 301       <>
 302         {this.state.searchResponse.posts.map(post => (
 303           <div class="row">
 304             <div class="col-12">
 305               <PostListing post={post} showCommunity />
 306             </div>
 307           </div>
 308         ))}
 309       </>
 310     );
 311   }
 312
 313   // Todo possibly create UserListing and CommunityListing
 314   communities() {
 315     return (
 316       <>
 317         {this.state.searchResponse.communities.map(community => (
 318           <div class="row">
 319             <div class="col-12">
 320               <span>
 321                 <Link
 322                   to={`/c/${community.name}`}
 323                 >{`/c/${community.name}`}</Link>
 324               </span>
 325               <span>{` - ${community.title} - ${community.number_of_subscribers} subscribers`}</span>
 326             </div>
 327           </div>
 328         ))}
 329       </>
 330     );
 331   }
 332
 333   users() {
 334     return (
 335       <>
 336         {this.state.searchResponse.users.map(user => (
 337           <div class="row">
 338             <div class="col-12">
 339               <span>
 340                 <Link
 341                   className="text-info"
 342                   to={`/u/${user.name}`}
 343                 >{`/u/${user.name}`}</Link>
 344               </span>
 345               <span>{` - ${user.comment_score} comment karma`}</span>
 346             </div>
 347           </div>
 348         ))}
 349       </>
 350     );
 351   }
 352
 353   paginator() {
 354     return (
 355       <div class="mt-2">
 356         {this.state.page > 1 && (
 357           <button
 358             class="btn btn-sm btn-secondary mr-1"
 359             onClick={linkEvent(this, this.prevPage)}
 360           >
 361             {i18n.t('prev')}
 362           </button>
 363         )}
 364         <button
 365           class="btn btn-sm btn-secondary"
 366           onClick={linkEvent(this, this.nextPage)}
 367         >
 368           {i18n.t('next')}
 369         </button>
 370       </div>
 371     );
 372   }
 373
 374   noResults() {
 375     let res = this.state.searchResponse;
 376     return (
 377       <div>
 378         {res &&
 379           res.posts.length == 0 &&
 380           res.comments.length == 0 &&
 381           res.communities.length == 0 &&
 382           res.users.length == 0 && <span>{i18n.t('no_results')}</span>}
 383       </div>
 384     );
 385   }
 386
 387   nextPage(i: Search) {
 388     i.state.page++;
 389     i.setState(i.state);
 390     i.updateUrl();
 391     i.search();
 392   }
 393
 394   prevPage(i: Search) {
 395     i.state.page--;
 396     i.setState(i.state);
 397     i.updateUrl();
 398     i.search();
 399   }
 400
 401   search() {
 402     let form: SearchForm = {
 403       q: this.state.q,
 404       type_: SearchType[this.state.type_],
 405       sort: SortType[this.state.sort],
 406       page: this.state.page,
 407       limit: fetchLimit,
 408     };
 409
 410     if (this.state.q != '') {
 411       WebSocketService.Instance.search(form);
 412     }
 413   }
 414
 415   handleSortChange(val: SortType) {
 416     this.state.sort = val;
 417     this.state.page = 1;
 418     this.setState(this.state);
 419     this.updateUrl();
 420   }
 421
 422   handleTypeChange(i: Search, event: any) {
 423     i.state.type_ = Number(event.target.value);
 424     i.state.page = 1;
 425     i.setState(i.state);
 426     i.updateUrl();
 427   }
 428
 429   handleSearchSubmit(i: Search, event: any) {
 430     event.preventDefault();
 431     i.state.loading = true;
 432     i.search();
 433     i.setState(i.state);
 434     i.updateUrl();
 435   }
 436
 437   handleQChange(i: Search, event: any) {
 438     i.state.q = event.target.value;
 439     i.setState(i.state);
 440   }
 441
 442   updateUrl() {
 443     let typeStr = SearchType[this.state.type_].toLowerCase();
 444     let sortStr = SortType[this.state.sort].toLowerCase();
 445     this.props.history.push(
 446       `/search/q/${this.state.q}/type/${typeStr}/sort/${sortStr}/page/${this.state.page}`
 447     );
 448   }
 449
 450   parseMessage(msg: WebSocketJsonResponse) {
 451     console.log(msg);
 452     let res = wsJsonToRes(msg);
 453     if (msg.error) {
 454       toast(i18n.t(msg.error), 'danger');
 455       return;
 456     } else if (res.op == UserOperation.Search) {
 457       let data = res.data as SearchResponse;
 458       this.state.searchResponse = data;
 459       this.state.loading = false;
 460       document.title = `${i18n.t('search')} - ${this.state.q} - ${
 461         WebSocketService.Instance.site.name
 462       }`;
 463       window.scrollTo(0, 0);
 464       this.setState(this.state);
 465     } else if (res.op == UserOperation.CreateCommentLike) {
 466       let data = res.data as CommentResponse;
 467       createCommentLikeRes(data, this.state.searchResponse.comments);
 468       this.setState(this.state);
 469     } else if (res.op == UserOperation.CreatePostLike) {
 470       let data = res.data as PostResponse;
 471       createPostLikeFindRes(data, this.state.searchResponse.posts);
 472       this.setState(this.state);
 473     }
 474   }
 475 }