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