ui/src/components/main.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   CommunityUser,
   8   GetFollowedCommunitiesResponse,
   9   ListCommunitiesForm,
  10   ListCommunitiesResponse,
  11   Community,
  12   SortType,
  13   GetSiteResponse,
  14   ListingType,
  15   SiteResponse,
  16   GetPostsResponse,
  17   PostResponse,
  18   Post,
  19   GetPostsForm,
  20   AddAdminResponse,
  21   BanUserResponse,
  22   WebSocketJsonResponse,
  23 } from '../interfaces';
  24 import { WebSocketService, UserService } from '../services';
  25 import { PostListings } from './post-listings';
  26 import { SortSelect } from './sort-select';
  27 import { ListingTypeSelect } from './listing-type-select';
  28 import { SiteForm } from './site-form';
  29 import {
  30   wsJsonToRes,
  31   repoUrl,
  32   mdToHtml,
  33   fetchLimit,
  34   routeSortTypeToEnum,
  35   routeListingTypeToEnum,
  36   pictshareAvatarThumbnail,
  37   showAvatars,
  38   toast,
  39 } from '../utils';
  40 import { i18n } from '../i18next';
  41 import { T } from 'inferno-i18next';
  42
  43 interface MainState {
  44   subscribedCommunities: Array<CommunityUser>;
  45   trendingCommunities: Array<Community>;
  46   siteRes: GetSiteResponse;
  47   showEditSite: boolean;
  48   loading: boolean;
  49   posts: Array<Post>;
  50   type_: ListingType;
  51   sort: SortType;
  52   page: number;
  53 }
  54
  55 export class Main extends Component<any, MainState> {
  56   private subscription: Subscription;
  57   private emptyState: MainState = {
  58     subscribedCommunities: [],
  59     trendingCommunities: [],
  60     siteRes: {
  61       site: {
  62         id: null,
  63         name: null,
  64         creator_id: null,
  65         creator_name: null,
  66         published: null,
  67         number_of_users: null,
  68         number_of_posts: null,
  69         number_of_comments: null,
  70         number_of_communities: null,
  71         enable_downvotes: null,
  72         open_registration: null,
  73         enable_nsfw: null,
  74       },
  75       admins: [],
  76       banned: [],
  77       online: null,
  78     },
  79     showEditSite: false,
  80     loading: true,
  81     posts: [],
  82     type_: this.getListingTypeFromProps(this.props),
  83     sort: this.getSortTypeFromProps(this.props),
  84     page: this.getPageFromProps(this.props),
  85   };
  86
  87   getListingTypeFromProps(props: any): ListingType {
  88     return props.match.params.type
  89       ? routeListingTypeToEnum(props.match.params.type)
  90       : UserService.Instance.user
  91       ? UserService.Instance.user.default_listing_type
  92       : ListingType.All;
  93   }
  94
  95   getSortTypeFromProps(props: any): SortType {
  96     return props.match.params.sort
  97       ? routeSortTypeToEnum(props.match.params.sort)
  98       : UserService.Instance.user
  99       ? UserService.Instance.user.default_sort_type
 100       : SortType.Hot;
 101   }
 102
 103   getPageFromProps(props: any): number {
 104     return props.match.params.page ? Number(props.match.params.page) : 1;
 105   }
 106
 107   constructor(props: any, context: any) {
 108     super(props, context);
 109
 110     this.state = this.emptyState;
 111     this.handleEditCancel = this.handleEditCancel.bind(this);
 112     this.handleSortChange = this.handleSortChange.bind(this);
 113     this.handleTypeChange = this.handleTypeChange.bind(this);
 114
 115     this.subscription = WebSocketService.Instance.subject
 116       .pipe(retryWhen(errors => errors.pipe(delay(3000), take(10))))
 117       .subscribe(
 118         msg => this.parseMessage(msg),
 119         err => console.error(err),
 120         () => console.log('complete')
 121       );
 122
 123     WebSocketService.Instance.getSite();
 124
 125     if (UserService.Instance.user) {
 126       WebSocketService.Instance.getFollowedCommunities();
 127     }
 128
 129     let listCommunitiesForm: ListCommunitiesForm = {
 130       sort: SortType[SortType.Hot],
 131       limit: 6,
 132     };
 133
 134     WebSocketService.Instance.listCommunities(listCommunitiesForm);
 135
 136     this.fetchPosts();
 137   }
 138
 139   componentWillUnmount() {
 140     this.subscription.unsubscribe();
 141   }
 142
 143   // Necessary for back button for some reason
 144   componentWillReceiveProps(nextProps: any) {
 145     if (
 146       nextProps.history.action == 'POP' ||
 147       nextProps.history.action == 'PUSH'
 148     ) {
 149       this.state.type_ = this.getListingTypeFromProps(nextProps);
 150       this.state.sort = this.getSortTypeFromProps(nextProps);
 151       this.state.page = this.getPageFromProps(nextProps);
 152       this.setState(this.state);
 153       this.fetchPosts();
 154     }
 155   }
 156
 157   render() {
 158     return (
 159       <div class="container">
 160         <div class="row">
 161           <main role="main" class="col-12 col-md-8">
 162             {this.posts()}
 163           </main>
 164           <aside class="col-12 col-md-4">{this.my_sidebar()}</aside>
 165         </div>
 166       </div>
 167     );
 168   }
 169
 170   my_sidebar() {
 171     return (
 172       <div>
 173         {!this.state.loading && (
 174           <div>
 175             <div class="card border-secondary mb-3">
 176               <div class="card-body">
 177                 {this.trendingCommunities()}
 178                 {UserService.Instance.user &&
 179                   this.state.subscribedCommunities.length > 0 && (
 180                     <div>
 181                       <h5>
 182                         <T i18nKey="subscribed_to_communities">
 183                           #
 184                           <Link class="text-white" to="/communities">
 185                             #
 186                           </Link>
 187                         </T>
 188                       </h5>
 189                       <ul class="list-inline">
 190                         {this.state.subscribedCommunities.map(community => (
 191                           <li class="list-inline-item">
 192                             <Link to={`/c/${community.community_name}`}>
 193                               {community.community_name}
 194                             </Link>
 195                           </li>
 196                         ))}
 197                       </ul>
 198                     </div>
 199                   )}
 200                 <Link
 201                   class="btn btn-sm btn-secondary btn-block"
 202                   to="/create_community"
 203                 >
 204                   {i18n.t('create_a_community')}
 205                 </Link>
 206               </div>
 207             </div>
 208             {this.sidebar()}
 209             {this.landing()}
 210           </div>
 211         )}
 212       </div>
 213     );
 214   }
 215
 216   trendingCommunities() {
 217     return (
 218       <div>
 219         <h5>
 220           <T i18nKey="trending_communities">
 221             #
 222             <Link class="text-white" to="/communities">
 223               #
 224             </Link>
 225           </T>
 226         </h5>
 227         <ul class="list-inline">
 228           {this.state.trendingCommunities.map(community => (
 229             <li class="list-inline-item">
 230               <Link to={`/c/${community.name}`}>{community.name}</Link>
 231             </li>
 232           ))}
 233         </ul>
 234       </div>
 235     );
 236   }
 237
 238   sidebar() {
 239     return (
 240       <div>
 241         {!this.state.showEditSite ? (
 242           this.siteInfo()
 243         ) : (
 244           <SiteForm
 245             site={this.state.siteRes.site}
 246             onCancel={this.handleEditCancel}
 247           />
 248         )}
 249       </div>
 250     );
 251   }
 252
 253   updateUrl() {
 254     let typeStr = ListingType[this.state.type_].toLowerCase();
 255     let sortStr = SortType[this.state.sort].toLowerCase();
 256     this.props.history.push(
 257       `/home/type/${typeStr}/sort/${sortStr}/page/${this.state.page}`
 258     );
 259   }
 260
 261   siteInfo() {
 262     return (
 263       <div>
 264         <div class="card border-secondary mb-3">
 265           <div class="card-body">
 266             <h5 class="mb-0">{`${this.state.siteRes.site.name}`}</h5>
 267             {this.canAdmin && (
 268               <ul class="list-inline mb-1 text-muted small font-weight-bold">
 269                 <li className="list-inline-item">
 270                   <span
 271                     class="pointer"
 272                     onClick={linkEvent(this, this.handleEditClick)}
 273                   >
 274                     {i18n.t('edit')}
 275                   </span>
 276                 </li>
 277               </ul>
 278             )}
 279             <ul class="my-2 list-inline">
 280               <li className="list-inline-item badge badge-secondary">
 281                 {i18n.t('number_online', { count: this.state.siteRes.online })}
 282               </li>
 283               <li className="list-inline-item badge badge-secondary">
 284                 {i18n.t('number_of_users', {
 285                   count: this.state.siteRes.site.number_of_users,
 286                 })}
 287               </li>
 288               <li className="list-inline-item badge badge-secondary">
 289                 {i18n.t('number_of_communities', {
 290                   count: this.state.siteRes.site.number_of_communities,
 291                 })}
 292               </li>
 293               <li className="list-inline-item badge badge-secondary">
 294                 {i18n.t('number_of_posts', {
 295                   count: this.state.siteRes.site.number_of_posts,
 296                 })}
 297               </li>
 298               <li className="list-inline-item badge badge-secondary">
 299                 {i18n.t('number_of_comments', {
 300                   count: this.state.siteRes.site.number_of_comments,
 301                 })}
 302               </li>
 303               <li className="list-inline-item">
 304                 <Link className="badge badge-secondary" to="/modlog">
 305                   {i18n.t('modlog')}
 306                 </Link>
 307               </li>
 308             </ul>
 309             <ul class="mt-1 list-inline small mb-0">
 310               <li class="list-inline-item">{i18n.t('admins')}:</li>
 311               {this.state.siteRes.admins.map(admin => (
 312                 <li class="list-inline-item">
 313                   <Link class="text-info" to={`/u/${admin.name}`}>
 314                     {admin.avatar && showAvatars() && (
 315                       <img
 316                         height="32"
 317                         width="32"
 318                         src={pictshareAvatarThumbnail(admin.avatar)}
 319                         class="rounded-circle mr-1"
 320                       />
 321                     )}
 322                     <span>{admin.name}</span>
 323                   </Link>
 324                 </li>
 325               ))}
 326             </ul>
 327           </div>
 328         </div>
 329         {this.state.siteRes.site.description && (
 330           <div class="card border-secondary mb-3">
 331             <div class="card-body">
 332               <div
 333                 className="md-div"
 334                 dangerouslySetInnerHTML={mdToHtml(
 335                   this.state.siteRes.site.description
 336                 )}
 337               />
 338             </div>
 339           </div>
 340         )}
 341       </div>
 342     );
 343   }
 344
 345   landing() {
 346     return (
 347       <div class="card border-secondary">
 348         <div class="card-body">
 349           <h5>
 350             {i18n.t('powered_by')}
 351             <svg class="icon mx-2">
 352               <use xlinkHref="#icon-mouse">#</use>
 353             </svg>
 354             <a href={repoUrl}>
 355               Lemmy<sup>beta</sup>
 356             </a>
 357           </h5>
 358           <p class="mb-0">
 359             <T i18nKey="landing_0">
 360               #
 361               <a href="https://en.wikipedia.org/wiki/Social_network_aggregation">
 362                 #
 363               </a>
 364               <a href="https://en.wikipedia.org/wiki/Fediverse">#</a>
 365               <br></br>
 366               <code>#</code>
 367               <br></br>
 368               <b>#</b>
 369               <br></br>
 370               <a href={repoUrl}>#</a>
 371               <br></br>
 372               <a href="https://www.rust-lang.org">#</a>
 373               <a href="https://actix.rs/">#</a>
 374               <a href="https://infernojs.org">#</a>
 375               <a href="https://www.typescriptlang.org/">#</a>
 376             </T>
 377           </p>
 378         </div>
 379       </div>
 380     );
 381   }
 382
 383   posts() {
 384     return (
 385       <div class="main-content-wrapper">
 386         {this.state.loading ? (
 387           <h5>
 388             <svg class="icon icon-spinner spin">
 389               <use xlinkHref="#icon-spinner"></use>
 390             </svg>
 391           </h5>
 392         ) : (
 393           <div>
 394             {this.selects()}
 395             <PostListings
 396               posts={this.state.posts}
 397               showCommunity
 398               removeDuplicates
 399             />
 400             {this.paginator()}
 401           </div>
 402         )}
 403       </div>
 404     );
 405   }
 406
 407   selects() {
 408     return (
 409       <div className="mb-3">
 410         <ListingTypeSelect
 411           type_={this.state.type_}
 412           onChange={this.handleTypeChange}
 413         />
 414         <span class="mx-2">
 415           <SortSelect sort={this.state.sort} onChange={this.handleSortChange} />
 416         </span>
 417         {this.state.type_ == ListingType.All && (
 418           <a
 419             href={`/feeds/all.xml?sort=${SortType[this.state.sort]}`}
 420             target="_blank"
 421           >
 422             <svg class="icon mx-1 text-muted small">
 423               <use xlinkHref="#icon-rss">#</use>
 424             </svg>
 425           </a>
 426         )}
 427         {UserService.Instance.user &&
 428           this.state.type_ == ListingType.Subscribed && (
 429             <a
 430               href={`/feeds/front/${UserService.Instance.auth}.xml?sort=${
 431                 SortType[this.state.sort]
 432               }`}
 433               target="_blank"
 434             >
 435               <svg class="icon mx-1 text-muted small">
 436                 <use xlinkHref="#icon-rss">#</use>
 437               </svg>
 438             </a>
 439           )}
 440       </div>
 441     );
 442   }
 443
 444   paginator() {
 445     return (
 446       <div class="my-2">
 447         {this.state.page > 1 && (
 448           <button
 449             class="btn btn-sm btn-secondary mr-1"
 450             onClick={linkEvent(this, this.prevPage)}
 451           >
 452             {i18n.t('prev')}
 453           </button>
 454         )}
 455         {this.state.posts.length == fetchLimit && (
 456           <button
 457             class="btn btn-sm btn-secondary"
 458             onClick={linkEvent(this, this.nextPage)}
 459           >
 460             {i18n.t('next')}
 461           </button>
 462         )}
 463       </div>
 464     );
 465   }
 466
 467   get canAdmin(): boolean {
 468     return (
 469       UserService.Instance.user &&
 470       this.state.siteRes.admins
 471         .map(a => a.id)
 472         .includes(UserService.Instance.user.id)
 473     );
 474   }
 475
 476   handleEditClick(i: Main) {
 477     i.state.showEditSite = true;
 478     i.setState(i.state);
 479   }
 480
 481   handleEditCancel() {
 482     this.state.showEditSite = false;
 483     this.setState(this.state);
 484   }
 485
 486   nextPage(i: Main) {
 487     i.state.page++;
 488     i.state.loading = true;
 489     i.setState(i.state);
 490     i.updateUrl();
 491     i.fetchPosts();
 492     window.scrollTo(0, 0);
 493   }
 494
 495   prevPage(i: Main) {
 496     i.state.page--;
 497     i.state.loading = true;
 498     i.setState(i.state);
 499     i.updateUrl();
 500     i.fetchPosts();
 501     window.scrollTo(0, 0);
 502   }
 503
 504   handleSortChange(val: SortType) {
 505     this.state.sort = val;
 506     this.state.page = 1;
 507     this.state.loading = true;
 508     this.setState(this.state);
 509     this.updateUrl();
 510     this.fetchPosts();
 511     window.scrollTo(0, 0);
 512   }
 513
 514   handleTypeChange(val: ListingType) {
 515     this.state.type_ = val;
 516     this.state.page = 1;
 517     this.state.loading = true;
 518     this.setState(this.state);
 519     this.updateUrl();
 520     this.fetchPosts();
 521     window.scrollTo(0, 0);
 522   }
 523
 524   fetchPosts() {
 525     let getPostsForm: GetPostsForm = {
 526       page: this.state.page,
 527       limit: fetchLimit,
 528       sort: SortType[this.state.sort],
 529       type_: ListingType[this.state.type_],
 530     };
 531     WebSocketService.Instance.getPosts(getPostsForm);
 532   }
 533
 534   parseMessage(msg: WebSocketJsonResponse) {
 535     console.log(msg);
 536     let res = wsJsonToRes(msg);
 537     if (msg.error) {
 538       toast(i18n.t(msg.error), 'danger');
 539       return;
 540     } else if (res.op == UserOperation.GetFollowedCommunities) {
 541       let data = res.data as GetFollowedCommunitiesResponse;
 542       this.state.subscribedCommunities = data.communities;
 543       this.setState(this.state);
 544     } else if (res.op == UserOperation.ListCommunities) {
 545       let data = res.data as ListCommunitiesResponse;
 546       this.state.trendingCommunities = data.communities;
 547       this.setState(this.state);
 548     } else if (res.op == UserOperation.GetSite) {
 549       let data = res.data as GetSiteResponse;
 550
 551       // This means it hasn't been set up yet
 552       if (!data.site) {
 553         this.context.router.history.push('/setup');
 554       }
 555       this.state.siteRes.admins = data.admins;
 556       this.state.siteRes.site = data.site;
 557       this.state.siteRes.banned = data.banned;
 558       this.state.siteRes.online = data.online;
 559       this.setState(this.state);
 560       document.title = `${WebSocketService.Instance.site.name}`;
 561     } else if (res.op == UserOperation.EditSite) {
 562       let data = res.data as SiteResponse;
 563       this.state.siteRes.site = data.site;
 564       this.state.showEditSite = false;
 565       this.setState(this.state);
 566     } else if (res.op == UserOperation.GetPosts) {
 567       let data = res.data as GetPostsResponse;
 568       this.state.posts = data.posts;
 569       this.state.loading = false;
 570       this.setState(this.state);
 571     } else if (res.op == UserOperation.CreatePost) {
 572       let data = res.data as PostResponse;
 573
 574       // If you're on subscribed, only push it if you're subscribed.
 575       if (this.state.type_ == ListingType.Subscribed) {
 576         if (
 577           this.state.subscribedCommunities
 578             .map(c => c.community_id)
 579             .includes(data.post.community_id)
 580         ) {
 581           this.state.posts.unshift(data.post);
 582         }
 583       } else {
 584         this.state.posts.unshift(data.post);
 585       }
 586
 587       this.setState(this.state);
 588     } else if (res.op == UserOperation.EditPost) {
 589       let data = res.data as PostResponse;
 590       let found = this.state.posts.find(c => c.id == data.post.id);
 591
 592       found.url = data.post.url;
 593       found.name = data.post.name;
 594       found.nsfw = data.post.nsfw;
 595
 596       this.setState(this.state);
 597     } else if (res.op == UserOperation.CreatePostLike) {
 598       let data = res.data as PostResponse;
 599       let found = this.state.posts.find(c => c.id == data.post.id);
 600
 601       found.score = data.post.score;
 602       found.upvotes = data.post.upvotes;
 603       found.downvotes = data.post.downvotes;
 604       if (data.post.my_vote !== null) {
 605         found.my_vote = data.post.my_vote;
 606         found.upvoteLoading = false;
 607         found.downvoteLoading = false;
 608       }
 609
 610       this.setState(this.state);
 611     } else if (res.op == UserOperation.AddAdmin) {
 612       let data = res.data as AddAdminResponse;
 613       this.state.siteRes.admins = data.admins;
 614       this.setState(this.state);
 615     } else if (res.op == UserOperation.BanUser) {
 616       let data = res.data as BanUserResponse;
 617       let found = this.state.siteRes.banned.find(u => (u.id = data.user.id));
 618
 619       // Remove the banned if its found in the list, and the action is an unban
 620       if (found && !data.banned) {
 621         this.state.siteRes.banned = this.state.siteRes.banned.filter(
 622           i => i.id !== data.user.id
 623         );
 624       } else {
 625         this.state.siteRes.banned.push(data.user);
 626       }
 627
 628       this.state.posts
 629         .filter(p => p.creator_id == data.user.id)
 630         .forEach(p => (p.banned = data.banned));
 631
 632       this.setState(this.state);
 633     }
 634   }
 635 }