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 { UserOperation, Post, Comment, Community, UserView, SortType, SearchForm, SearchResponse, SearchType } from '../interfaces';
   6 import { WebSocketService } from '../services';
   7 import { msgOp, fetchLimit, routeSearchTypeToEnum, routeSortTypeToEnum } from '../utils';
   8 import { PostListing } from './post-listing';
   9 import { CommentNodes } from './comment-nodes';
  10 import { i18n } from '../i18next';
  11 import { T } from 'inferno-i18next';
  12
  13 interface SearchState {
  14   q: string,
  15   type_: SearchType,
  16   sort: SortType,
  17   page: number,
  18   searchResponse: SearchResponse;
  19   loading: boolean;
  20 }
  21
  22 export class Search extends Component<any, SearchState> {
  23
  24   private subscription: Subscription;
  25   private emptyState: SearchState = {
  26     q: this.getSearchQueryFromProps(this.props),
  27     type_: this.getSearchTypeFromProps(this.props),
  28     sort: this.getSortTypeFromProps(this.props),
  29     page: this.getPageFromProps(this.props),
  30     searchResponse: {
  31       op: null,
  32       type_: null,
  33       posts: [],
  34       comments: [],
  35       communities: [],
  36       users: [],
  37     },
  38     loading: false,
  39   }
  40
  41   getSearchQueryFromProps(props: any): string {
  42     return (props.match.params.q) ? props.match.params.q : '';
  43   }
  44
  45   getSearchTypeFromProps(props: any): SearchType {
  46     return (props.match.params.type) ?
  47       routeSearchTypeToEnum(props.match.params.type) :
  48       SearchType.All;
  49   }
  50
  51   getSortTypeFromProps(props: any): SortType {
  52     return (props.match.params.sort) ?
  53       routeSortTypeToEnum(props.match.params.sort) :
  54       SortType.TopAll;
  55   }
  56
  57   getPageFromProps(props: any): number {
  58     return (props.match.params.page) ? Number(props.match.params.page) : 1;
  59   }
  60
  61   constructor(props: any, context: any) {
  62     super(props, context);
  63
  64     this.state = this.emptyState;
  65
  66     this.subscription = WebSocketService.Instance.subject
  67     .pipe(retryWhen(errors => errors.pipe(delay(3000), take(10))))
  68     .subscribe(
  69       (msg) => this.parseMessage(msg),
  70         (err) => console.error(err),
  71         () => console.log('complete')
  72     );
  73
  74     if (this.state.q) {
  75       this.search();
  76     }
  77
  78   }
  79
  80   componentWillUnmount() {
  81     this.subscription.unsubscribe();
  82   }
  83
  84   // Necessary for back button for some reason
  85   componentWillReceiveProps(nextProps: any) {
  86     if (nextProps.history.action == 'POP' || nextProps.history.action == 'PUSH') {
  87       this.state = this.emptyState;
  88       this.state.q = this.getSearchQueryFromProps(nextProps);
  89       this.state.type_ = this.getSearchTypeFromProps(nextProps);
  90       this.state.sort = this.getSortTypeFromProps(nextProps);
  91       this.state.page = this.getPageFromProps(nextProps);
  92       this.setState(this.state);
  93       this.search();
  94     }
  95   }
  96
  97   componentDidMount() {
  98     document.title = `${i18n.t('search')} - ${WebSocketService.Instance.site.name}`;
  99   }
 100
 101   render() {
 102     return (
 103       <div class="container">
 104         <div class="row">
 105           <div class="col-12">
 106             <h5><T i18nKey="search">#</T></h5>
 107             {this.selects()}
 108             {this.searchForm()}
 109             {this.state.type_ == SearchType.All &&
 110               this.all()
 111             }
 112             {this.state.type_ == SearchType.Comments &&
 113               this.comments()
 114             }
 115             {this.state.type_ == SearchType.Posts &&
 116               this.posts()
 117             }
 118             {this.state.type_ == SearchType.Communities &&
 119               this.communities()
 120             }
 121             {this.state.type_ == SearchType.Users &&
 122               this.users()
 123             }
 124             {this.noResults()}
 125             {this.paginator()}
 126           </div>
 127         </div>
 128       </div>
 129     )
 130   }
 131
 132   searchForm() {
 133     return (
 134       <form class="form-inline" onSubmit={linkEvent(this, this.handleSearchSubmit)}>
 135         <input type="text" class="form-control mr-2" value={this.state.q} placeholder={`${i18n.t('search')}...`} onInput={linkEvent(this, this.handleQChange)} required minLength={3} />
 136         <button type="submit" class="btn btn-secondary mr-2">
 137           {this.state.loading ?
 138           <svg class="icon icon-spinner spin"><use xlinkHref="#icon-spinner"></use></svg> :
 139           <span><T i18nKey="search">#</T></span>
 140           }
 141         </button>
 142       </form>
 143     )
 144   }
 145
 146   selects() {
 147     return (
 148       <div className="mb-2">
 149         <select value={this.state.type_} onChange={linkEvent(this, this.handleTypeChange)} class="custom-select custom-select-sm w-auto">
 150           <option disabled><T i18nKey="type">#</T></option>
 151           <option value={SearchType.All}><T i18nKey="all">#</T></option>
 152           <option value={SearchType.Comments}><T i18nKey="comments">#</T></option>
 153           <option value={SearchType.Posts}><T i18nKey="posts">#</T></option>
 154           <option value={SearchType.Communities}><T i18nKey="communities">#</T></option>
 155           <option value={SearchType.Users}><T i18nKey="users">#</T></option>
 156         </select>
 157         <select value={this.state.sort} onChange={linkEvent(this, this.handleSortChange)} class="custom-select custom-select-sm w-auto ml-2">
 158           <option disabled><T i18nKey="sort_type">#</T></option>
 159           <option value={SortType.New}><T i18nKey="new">#</T></option>
 160           <option value={SortType.TopDay}><T i18nKey="top_day">#</T></option>
 161           <option value={SortType.TopWeek}><T i18nKey="week">#</T></option>
 162           <option value={SortType.TopMonth}><T i18nKey="month">#</T></option>
 163           <option value={SortType.TopYear}><T i18nKey="year">#</T></option>
 164           <option value={SortType.TopAll}><T i18nKey="all">#</T></option>
 165         </select>
 166       </div>
 167     )
 168
 169   }
 170
 171   all() {
 172     let combined: Array<{type_: string, data: Comment | Post | Community | UserView}> = [];
 173     let comments = this.state.searchResponse.comments.map(e => {return {type_: "comments", data: e}});
 174     let posts = this.state.searchResponse.posts.map(e => {return {type_: "posts", data: e}});
 175     let communities = this.state.searchResponse.communities.map(e => {return {type_: "communities", data: e}});
 176     let users = this.state.searchResponse.users.map(e => {return {type_: "users", data: e}});
 177
 178     combined.push(...comments);
 179     combined.push(...posts);
 180     combined.push(...communities);
 181     combined.push(...users);
 182
 183     // Sort it
 184     if (this.state.sort == SortType.New) {
 185       combined.sort((a, b) => b.data.published.localeCompare(a.data.published));
 186     } else {
 187       combined.sort((a, b) => ((b.data as Comment | Post).score
 188         | (b.data as Community).number_of_subscribers
 189           | (b.data as UserView).comment_score)
 190           - ((a.data as Comment | Post).score
 191             | (a.data as Community).number_of_subscribers
 192               | (a.data as UserView).comment_score));
 193     }
 194
 195     return (
 196       <div>
 197         {combined.map(i =>
 198           <div>
 199             {i.type_ == "posts" &&
 200               <PostListing post={i.data as Post} showCommunity viewOnly />
 201             }
 202             {i.type_ == "comments" &&
 203               <CommentNodes nodes={[{comment: i.data as Comment}]} viewOnly noIndent />
 204             }
 205             {i.type_ == "communities" &&
 206               <div>
 207                 <span><Link to={`/c/${(i.data as Community).name}`}>{`/c/${(i.data as Community).name}`}</Link></span>
 208                 <span>{` - ${(i.data as Community).title} - ${(i.data as Community).number_of_subscribers} subscribers`}</span>
 209               </div>
 210             }
 211             {i.type_ == "users" &&
 212               <div>
 213                 <span><Link className="text-info" to={`/u/${(i.data as UserView).name}`}>{`/u/${(i.data as UserView).name}`}</Link></span>
 214                 <span>{` - ${(i.data as UserView).comment_score} comment karma`}</span>
 215               </div>
 216             }
 217           </div>
 218                      )
 219         }
 220       </div>
 221     )
 222   }
 223
 224   comments() {
 225     return (
 226       <div>
 227         {this.state.searchResponse.comments.map(comment =>
 228           <CommentNodes nodes={[{comment: comment}]} noIndent viewOnly />
 229         )}
 230       </div>
 231     );
 232   }
 233
 234   posts() {
 235     return (
 236       <div>
 237         {this.state.searchResponse.posts.map(post =>
 238           <PostListing post={post} showCommunity viewOnly />
 239         )}
 240       </div>
 241     );
 242   }
 243
 244   // Todo possibly create UserListing and CommunityListing
 245   communities() {
 246     return (
 247       <div>
 248         {this.state.searchResponse.communities.map(community =>
 249           <div>
 250             <span><Link to={`/c/${community.name}`}>{`/c/${community.name}`}</Link></span>
 251             <span>{` - ${community.title} - ${community.number_of_subscribers} subscribers`}</span>
 252           </div>
 253         )}
 254       </div>
 255     );
 256   }
 257
 258   users() {
 259     return (
 260       <div>
 261         {this.state.searchResponse.users.map(user =>
 262           <div>
 263             <span><Link className="text-info" to={`/u/${user.name}`}>{`/u/${user.name}`}</Link></span>
 264             <span>{` - ${user.comment_score} comment karma`}</span>
 265           </div>
 266         )}
 267       </div>
 268     );
 269   }
 270
 271   paginator() {
 272     return (
 273       <div class="mt-2">
 274         {this.state.page > 1 &&
 275           <button class="btn btn-sm btn-secondary mr-1" onClick={linkEvent(this, this.prevPage)}><T i18nKey="prev">#</T></button>
 276         }
 277         <button class="btn btn-sm btn-secondary" onClick={linkEvent(this, this.nextPage)}><T i18nKey="next">#</T></button>
 278       </div>
 279     );
 280   }
 281
 282   noResults() {
 283     let res = this.state.searchResponse;
 284     return (
 285       <div>
 286         {res && res.op && res.posts.length == 0 && res.comments.length == 0 &&
 287           <span><T i18nKey="no_results">#</T></span>
 288         }
 289       </div>
 290     )
 291   }
 292
 293   nextPage(i: Search) {
 294     i.state.page++;
 295     i.setState(i.state);
 296     i.updateUrl();
 297     i.search();
 298   }
 299
 300   prevPage(i: Search) {
 301     i.state.page--;
 302     i.setState(i.state);
 303     i.updateUrl();
 304     i.search();
 305   }
 306
 307   search() {
 308     // TODO community
 309     let form: SearchForm = {
 310       q: this.state.q,
 311       type_: SearchType[this.state.type_],
 312       sort: SortType[this.state.sort],
 313       page: this.state.page,
 314       limit: fetchLimit,
 315     };
 316
 317     if (this.state.q != '') {
 318       WebSocketService.Instance.search(form);
 319     }
 320   }
 321
 322   handleSortChange(i: Search, event: any) {
 323     i.state.sort = Number(event.target.value);
 324     i.state.page = 1;
 325     i.setState(i.state);
 326     i.updateUrl();
 327   }
 328
 329   handleTypeChange(i: Search, event: any) {
 330     i.state.type_ = Number(event.target.value);
 331     i.state.page = 1;
 332     i.setState(i.state);
 333     i.updateUrl();
 334   }
 335
 336   handleSearchSubmit(i: Search, event: any) {
 337     event.preventDefault();
 338     i.state.loading = true;
 339     i.search();
 340     i.setState(i.state);
 341     i.updateUrl();
 342   }
 343
 344   handleQChange(i: Search, event: any) {
 345     i.state.q = event.target.value;
 346     i.setState(i.state);
 347   }
 348
 349   updateUrl() {
 350     let typeStr = SearchType[this.state.type_].toLowerCase();
 351     let sortStr = SortType[this.state.sort].toLowerCase();
 352     this.props.history.push(`/search/q/${this.state.q}/type/${typeStr}/sort/${sortStr}/page/${this.state.page}`);
 353   }
 354
 355   parseMessage(msg: any) {
 356     console.log(msg);
 357     let op: UserOperation = msgOp(msg);
 358     if (msg.error) {
 359       alert(i18n.t(msg.error));
 360       return;
 361     } else if (op == UserOperation.Search) {
 362       let res: SearchResponse = msg;
 363       this.state.searchResponse = res;
 364       this.state.loading = false;
 365       document.title = `${i18n.t('search')} - ${this.state.q} - ${WebSocketService.Instance.site.name}`;
 366       window.scrollTo(0,0);
 367       this.setState(this.state);
 368     }
 369   }
 370 }
 371