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   DataType,
  16   SiteResponse,
  17   GetPostsResponse,
  18   PostResponse,
  19   Post,
  20   GetPostsForm,
  21   Comment,
  22   GetCommentsForm,
  23   GetCommentsResponse,
  24   CommentResponse,
  25   AddAdminResponse,
  26   BanUserResponse,
  27   WebSocketJsonResponse,
  28 } from '../interfaces';
  29 import { WebSocketService, UserService } from '../services';
  30 import { PostListings } from './post-listings';
  31 import { CommentNodes } from './comment-nodes';
  32 import { SortSelect } from './sort-select';
  33 import { ListingTypeSelect } from './listing-type-select';
  34 import { DataTypeSelect } from './data-type-select';
  35 import { SiteForm } from './site-form';
  36 import {
  37   wsJsonToRes,
  38   repoUrl,
  39   mdToHtml,
  40   fetchLimit,
  41   pictshareAvatarThumbnail,
  42   showAvatars,
  43   toast,
  44   getListingTypeFromProps,
  45   getPageFromProps,
  46   getSortTypeFromProps,
  47   getDataTypeFromProps,
  48   editCommentRes,
  49   saveCommentRes,
  50   createCommentLikeRes,
  51   createPostLikeFindRes,
  52   editPostFindRes,
  53   commentsToFlatNodes,
  54 } from '../utils';
  55 import { i18n } from '../i18next';
  56 import { T } from 'inferno-i18next';
  57
  58 interface MainState {
  59   subscribedCommunities: Array<CommunityUser>;
  60   trendingCommunities: Array<Community>;
  61   siteRes: GetSiteResponse;
  62   showEditSite: boolean;
  63   loading: boolean;
  64   posts: Array<Post>;
  65   comments: Array<Comment>;
  66   listingType: ListingType;
  67   dataType: DataType;
  68   sort: SortType;
  69   page: number;
  70 }
  71
  72 export class Main extends Component<any, MainState> {
  73   private subscription: Subscription;
  74   private emptyState: MainState = {
  75     subscribedCommunities: [],
  76     trendingCommunities: [],
  77     siteRes: {
  78       site: {
  79         id: null,
  80         name: null,
  81         creator_id: null,
  82         creator_name: null,
  83         published: null,
  84         number_of_users: null,
  85         number_of_posts: null,
  86         number_of_comments: null,
  87         number_of_communities: null,
  88         enable_downvotes: null,
  89         open_registration: null,
  90         enable_nsfw: null,
  91       },
  92       admins: [],
  93       banned: [],
  94       online: null,
  95     },
  96     showEditSite: false,
  97     loading: true,
  98     posts: [],
  99     comments: [],
 100     listingType: getListingTypeFromProps(this.props),
 101     dataType: getDataTypeFromProps(this.props),
 102     sort: getSortTypeFromProps(this.props),
 103     page: getPageFromProps(this.props),
 104   };
 105
 106   constructor(props: any, context: any) {
 107     super(props, context);
 108
 109     this.state = this.emptyState;
 110     this.handleEditCancel = this.handleEditCancel.bind(this);
 111     this.handleSortChange = this.handleSortChange.bind(this);
 112     this.handleListingTypeChange = this.handleListingTypeChange.bind(this);
 113     this.handleDataTypeChange = this.handleDataTypeChange.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.fetchData();
 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.listingType = getListingTypeFromProps(nextProps);
 150       this.state.dataType = getDataTypeFromProps(nextProps);
 151       this.state.sort = getSortTypeFromProps(nextProps);
 152       this.state.page = getPageFromProps(nextProps);
 153       this.setState(this.state);
 154       this.fetchData();
 155     }
 156   }
 157
 158   render() {
 159     return (
 160       <div class="container">
 161         <div class="row">
 162           <main role="main" class="col-12 col-md-8">
 163             {this.posts()}
 164           </main>
 165           <aside class="col-12 col-md-4">{this.my_sidebar()}</aside>
 166         </div>
 167       </div>
 168     );
 169   }
 170
 171   my_sidebar() {
 172     return (
 173       <div>
 174         {!this.state.loading && (
 175           <div>
 176             <div class="card border-secondary mb-3">
 177               <div class="card-body">
 178                 {this.trendingCommunities()}
 179                 {UserService.Instance.user &&
 180                   this.state.subscribedCommunities.length > 0 && (
 181                     <div>
 182                       <h5>
 183                         <T i18nKey="subscribed_to_communities">
 184                           #
 185                           <Link class="text-white" to="/communities">
 186                             #
 187                           </Link>
 188                         </T>
 189                       </h5>
 190                       <ul class="list-inline">
 191                         {this.state.subscribedCommunities.map(community => (
 192                           <li class="list-inline-item">
 193                             <Link to={`/c/${community.community_name}`}>
 194                               {community.community_name}
 195                             </Link>
 196                           </li>
 197                         ))}
 198                       </ul>
 199                     </div>
 200                   )}
 201                 <Link
 202                   class="btn btn-sm btn-secondary btn-block"
 203                   to="/create_community"
 204                 >
 205                   {i18n.t('create_a_community')}
 206                 </Link>
 207               </div>
 208             </div>
 209             {this.sidebar()}
 210             {this.landing()}
 211           </div>
 212         )}
 213       </div>
 214     );
 215   }
 216
 217   trendingCommunities() {
 218     return (
 219       <div>
 220         <h5>
 221           <T i18nKey="trending_communities">
 222             #
 223             <Link class="text-white" to="/communities">
 224               #
 225             </Link>
 226           </T>
 227         </h5>
 228         <ul class="list-inline">
 229           {this.state.trendingCommunities.map(community => (
 230             <li class="list-inline-item">
 231               <Link to={`/c/${community.name}`}>{community.name}</Link>
 232             </li>
 233           ))}
 234         </ul>
 235       </div>
 236     );
 237   }
 238
 239   sidebar() {
 240     return (
 241       <div>
 242         {!this.state.showEditSite ? (
 243           this.siteInfo()
 244         ) : (
 245           <SiteForm
 246             site={this.state.siteRes.site}
 247             onCancel={this.handleEditCancel}
 248           />
 249         )}
 250       </div>
 251     );
 252   }
 253
 254   updateUrl() {
 255     let listingTypeStr = ListingType[this.state.listingType].toLowerCase();
 256     let dataTypeStr = DataType[this.state.dataType].toLowerCase();
 257     let sortStr = SortType[this.state.sort].toLowerCase();
 258     this.props.history.push(
 259       `/home/data_type/${dataTypeStr}/listing_type/${listingTypeStr}/sort/${sortStr}/page/${this.state.page}`
 260     );
 261   }
 262
 263   siteInfo() {
 264     return (
 265       <div>
 266         <div class="card border-secondary mb-3">
 267           <div class="card-body">
 268             <h5 class="mb-0">{`${this.state.siteRes.site.name}`}</h5>
 269             {this.canAdmin && (
 270               <ul class="list-inline mb-1 text-muted small font-weight-bold">
 271                 <li className="list-inline-item">
 272                   <span
 273                     class="pointer"
 274                     onClick={linkEvent(this, this.handleEditClick)}
 275                   >
 276                     {i18n.t('edit')}
 277                   </span>
 278                 </li>
 279               </ul>
 280             )}
 281             <ul class="my-2 list-inline">
 282               <li className="list-inline-item badge badge-secondary">
 283                 {i18n.t('number_online', { count: this.state.siteRes.online })}
 284               </li>
 285               <li className="list-inline-item badge badge-secondary">
 286                 {i18n.t('number_of_users', {
 287                   count: this.state.siteRes.site.number_of_users,
 288                 })}
 289               </li>
 290               <li className="list-inline-item badge badge-secondary">
 291                 {i18n.t('number_of_communities', {
 292                   count: this.state.siteRes.site.number_of_communities,
 293                 })}
 294               </li>
 295               <li className="list-inline-item badge badge-secondary">
 296                 {i18n.t('number_of_posts', {
 297                   count: this.state.siteRes.site.number_of_posts,
 298                 })}
 299               </li>
 300               <li className="list-inline-item badge badge-secondary">
 301                 {i18n.t('number_of_comments', {
 302                   count: this.state.siteRes.site.number_of_comments,
 303                 })}
 304               </li>
 305               <li className="list-inline-item">
 306                 <Link className="badge badge-secondary" to="/modlog">
 307                   {i18n.t('modlog')}
 308                 </Link>
 309               </li>
 310             </ul>
 311             <ul class="mt-1 list-inline small mb-0">
 312               <li class="list-inline-item">{i18n.t('admins')}:</li>
 313               {this.state.siteRes.admins.map(admin => (
 314                 <li class="list-inline-item">
 315                   <Link class="text-info" to={`/u/${admin.name}`}>
 316                     {admin.avatar && showAvatars() && (
 317                       <img
 318                         height="32"
 319                         width="32"
 320                         src={pictshareAvatarThumbnail(admin.avatar)}
 321                         class="rounded-circle mr-1"
 322                       />
 323                     )}
 324                     <span>{admin.name}</span>
 325                   </Link>
 326                 </li>
 327               ))}
 328             </ul>
 329           </div>
 330         </div>
 331         {this.state.siteRes.site.description && (
 332           <div class="card border-secondary mb-3">
 333             <div class="card-body">
 334               <div
 335                 className="md-div"
 336                 dangerouslySetInnerHTML={mdToHtml(
 337                   this.state.siteRes.site.description
 338                 )}
 339               />
 340             </div>
 341           </div>
 342         )}
 343       </div>
 344     );
 345   }
 346
 347   landing() {
 348     return (
 349       <div class="card border-secondary">
 350         <div class="card-body">
 351           <h5>
 352             {i18n.t('powered_by')}
 353             <svg class="icon mx-2">
 354               <use xlinkHref="#icon-mouse">#</use>
 355             </svg>
 356             <a href={repoUrl}>
 357               Lemmy<sup>beta</sup>
 358             </a>
 359           </h5>
 360           <p class="mb-0">
 361             <T i18nKey="landing_0">
 362               #
 363               <a href="https://en.wikipedia.org/wiki/Social_network_aggregation">
 364                 #
 365               </a>
 366               <a href="https://en.wikipedia.org/wiki/Fediverse">#</a>
 367               <br></br>
 368               <code>#</code>
 369               <br></br>
 370               <b>#</b>
 371               <br></br>
 372               <a href={repoUrl}>#</a>
 373               <br></br>
 374               <a href="https://www.rust-lang.org">#</a>
 375               <a href="https://actix.rs/">#</a>
 376               <a href="https://infernojs.org">#</a>
 377               <a href="https://www.typescriptlang.org/">#</a>
 378             </T>
 379           </p>
 380         </div>
 381       </div>
 382     );
 383   }
 384
 385   posts() {
 386     return (
 387       <div class="main-content-wrapper">
 388         {this.state.loading ? (
 389           <h5>
 390             <svg class="icon icon-spinner spin">
 391               <use xlinkHref="#icon-spinner"></use>
 392             </svg>
 393           </h5>
 394         ) : (
 395           <div>
 396             {this.selects()}
 397             {this.listings()}
 398             {this.paginator()}
 399           </div>
 400         )}
 401       </div>
 402     );
 403   }
 404
 405   listings() {
 406     return this.state.dataType == DataType.Post ? (
 407       <PostListings posts={this.state.posts} showCommunity removeDuplicates />
 408     ) : (
 409       <CommentNodes
 410         nodes={commentsToFlatNodes(this.state.comments)}
 411         noIndent
 412         showCommunity
 413       />
 414     );
 415   }
 416
 417   selects() {
 418     return (
 419       <div className="mb-3">
 420         <DataTypeSelect
 421           type_={this.state.dataType}
 422           onChange={this.handleDataTypeChange}
 423         />
 424         <span class="mx-2">
 425           <ListingTypeSelect
 426             type_={this.state.listingType}
 427             onChange={this.handleListingTypeChange}
 428           />
 429         </span>
 430         <span class="mr-2">
 431           <SortSelect sort={this.state.sort} onChange={this.handleSortChange} />
 432         </span>
 433         {this.state.listingType == ListingType.All && (
 434           <a
 435             href={`/feeds/all.xml?sort=${SortType[this.state.sort]}`}
 436             target="_blank"
 437           >
 438             <svg class="icon mx-1 text-muted small">
 439               <use xlinkHref="#icon-rss">#</use>
 440             </svg>
 441           </a>
 442         )}
 443         {UserService.Instance.user &&
 444           this.state.listingType == ListingType.Subscribed && (
 445             <a
 446               href={`/feeds/front/${UserService.Instance.auth}.xml?sort=${
 447                 SortType[this.state.sort]
 448               }`}
 449               target="_blank"
 450             >
 451               <svg class="icon mx-1 text-muted small">
 452                 <use xlinkHref="#icon-rss">#</use>
 453               </svg>
 454             </a>
 455           )}
 456       </div>
 457     );
 458   }
 459
 460   paginator() {
 461     return (
 462       <div class="my-2">
 463         {this.state.page > 1 && (
 464           <button
 465             class="btn btn-sm btn-secondary mr-1"
 466             onClick={linkEvent(this, this.prevPage)}
 467           >
 468             {i18n.t('prev')}
 469           </button>
 470         )}
 471         {this.state.posts.length == fetchLimit && (
 472           <button
 473             class="btn btn-sm btn-secondary"
 474             onClick={linkEvent(this, this.nextPage)}
 475           >
 476             {i18n.t('next')}
 477           </button>
 478         )}
 479       </div>
 480     );
 481   }
 482
 483   get canAdmin(): boolean {
 484     return (
 485       UserService.Instance.user &&
 486       this.state.siteRes.admins
 487         .map(a => a.id)
 488         .includes(UserService.Instance.user.id)
 489     );
 490   }
 491
 492   handleEditClick(i: Main) {
 493     i.state.showEditSite = true;
 494     i.setState(i.state);
 495   }
 496
 497   handleEditCancel() {
 498     this.state.showEditSite = false;
 499     this.setState(this.state);
 500   }
 501
 502   nextPage(i: Main) {
 503     i.state.page++;
 504     i.state.loading = true;
 505     i.setState(i.state);
 506     i.updateUrl();
 507     i.fetchData();
 508     window.scrollTo(0, 0);
 509   }
 510
 511   prevPage(i: Main) {
 512     i.state.page--;
 513     i.state.loading = true;
 514     i.setState(i.state);
 515     i.updateUrl();
 516     i.fetchData();
 517     window.scrollTo(0, 0);
 518   }
 519
 520   handleSortChange(val: SortType) {
 521     this.state.sort = val;
 522     this.state.page = 1;
 523     this.state.loading = true;
 524     this.setState(this.state);
 525     this.updateUrl();
 526     this.fetchData();
 527     window.scrollTo(0, 0);
 528   }
 529
 530   handleListingTypeChange(val: ListingType) {
 531     this.state.listingType = val;
 532     this.state.page = 1;
 533     this.state.loading = true;
 534     this.setState(this.state);
 535     this.updateUrl();
 536     this.fetchData();
 537     window.scrollTo(0, 0);
 538   }
 539
 540   handleDataTypeChange(val: DataType) {
 541     this.state.dataType = val;
 542     this.state.page = 1;
 543     this.state.loading = true;
 544     this.setState(this.state);
 545     this.updateUrl();
 546     this.fetchData();
 547     window.scrollTo(0, 0);
 548   }
 549
 550   fetchData() {
 551     if (this.state.dataType == DataType.Post) {
 552       let getPostsForm: GetPostsForm = {
 553         page: this.state.page,
 554         limit: fetchLimit,
 555         sort: SortType[this.state.sort],
 556         type_: ListingType[this.state.listingType],
 557       };
 558       WebSocketService.Instance.getPosts(getPostsForm);
 559     } else {
 560       let getCommentsForm: GetCommentsForm = {
 561         page: this.state.page,
 562         limit: fetchLimit,
 563         sort: SortType[this.state.sort],
 564         type_: ListingType[this.state.listingType],
 565       };
 566       WebSocketService.Instance.getComments(getCommentsForm);
 567     }
 568   }
 569
 570   parseMessage(msg: WebSocketJsonResponse) {
 571     console.log(msg);
 572     let res = wsJsonToRes(msg);
 573     if (msg.error) {
 574       toast(i18n.t(msg.error), 'danger');
 575       return;
 576     } else if (msg.reconnect) {
 577       this.fetchData();
 578     } else if (res.op == UserOperation.GetFollowedCommunities) {
 579       let data = res.data as GetFollowedCommunitiesResponse;
 580       this.state.subscribedCommunities = data.communities;
 581       this.setState(this.state);
 582     } else if (res.op == UserOperation.ListCommunities) {
 583       let data = res.data as ListCommunitiesResponse;
 584       this.state.trendingCommunities = data.communities;
 585       this.setState(this.state);
 586     } else if (res.op == UserOperation.GetSite) {
 587       let data = res.data as GetSiteResponse;
 588
 589       // This means it hasn't been set up yet
 590       if (!data.site) {
 591         this.context.router.history.push('/setup');
 592       }
 593       this.state.siteRes.admins = data.admins;
 594       this.state.siteRes.site = data.site;
 595       this.state.siteRes.banned = data.banned;
 596       this.state.siteRes.online = data.online;
 597       this.setState(this.state);
 598       document.title = `${WebSocketService.Instance.site.name}`;
 599     } else if (res.op == UserOperation.EditSite) {
 600       let data = res.data as SiteResponse;
 601       this.state.siteRes.site = data.site;
 602       this.state.showEditSite = false;
 603       this.setState(this.state);
 604     } else if (res.op == UserOperation.GetPosts) {
 605       let data = res.data as GetPostsResponse;
 606       this.state.posts = data.posts;
 607       this.state.loading = false;
 608       this.setState(this.state);
 609     } else if (res.op == UserOperation.CreatePost) {
 610       let data = res.data as PostResponse;
 611
 612       // If you're on subscribed, only push it if you're subscribed.
 613       if (this.state.listingType == ListingType.Subscribed) {
 614         if (
 615           this.state.subscribedCommunities
 616             .map(c => c.community_id)
 617             .includes(data.post.community_id)
 618         ) {
 619           this.state.posts.unshift(data.post);
 620         }
 621       } else {
 622         this.state.posts.unshift(data.post);
 623       }
 624
 625       this.setState(this.state);
 626     } else if (res.op == UserOperation.EditPost) {
 627       let data = res.data as PostResponse;
 628       editPostFindRes(data, this.state.posts);
 629       this.setState(this.state);
 630     } else if (res.op == UserOperation.CreatePostLike) {
 631       let data = res.data as PostResponse;
 632       createPostLikeFindRes(data, this.state.posts);
 633       this.setState(this.state);
 634     } else if (res.op == UserOperation.AddAdmin) {
 635       let data = res.data as AddAdminResponse;
 636       this.state.siteRes.admins = data.admins;
 637       this.setState(this.state);
 638     } else if (res.op == UserOperation.BanUser) {
 639       let data = res.data as BanUserResponse;
 640       let found = this.state.siteRes.banned.find(u => (u.id = data.user.id));
 641
 642       // Remove the banned if its found in the list, and the action is an unban
 643       if (found && !data.banned) {
 644         this.state.siteRes.banned = this.state.siteRes.banned.filter(
 645           i => i.id !== data.user.id
 646         );
 647       } else {
 648         this.state.siteRes.banned.push(data.user);
 649       }
 650
 651       this.state.posts
 652         .filter(p => p.creator_id == data.user.id)
 653         .forEach(p => (p.banned = data.banned));
 654
 655       this.setState(this.state);
 656     } else if (res.op == UserOperation.GetComments) {
 657       let data = res.data as GetCommentsResponse;
 658       this.state.comments = data.comments;
 659       this.state.loading = false;
 660       this.setState(this.state);
 661     } else if (res.op == UserOperation.EditComment) {
 662       let data = res.data as CommentResponse;
 663       editCommentRes(data, this.state.comments);
 664       this.setState(this.state);
 665     } else if (res.op == UserOperation.CreateComment) {
 666       let data = res.data as CommentResponse;
 667
 668       // Necessary since it might be a user reply
 669       if (data.recipient_ids.length == 0) {
 670         // If you're on subscribed, only push it if you're subscribed.
 671         if (this.state.listingType == ListingType.Subscribed) {
 672           if (
 673             this.state.subscribedCommunities
 674               .map(c => c.community_id)
 675               .includes(data.comment.community_id)
 676           ) {
 677             this.state.comments.unshift(data.comment);
 678           }
 679         } else {
 680           this.state.comments.unshift(data.comment);
 681         }
 682         this.setState(this.state);
 683       }
 684     } else if (res.op == UserOperation.SaveComment) {
 685       let data = res.data as CommentResponse;
 686       saveCommentRes(data, this.state.comments);
 687       this.setState(this.state);
 688     } else if (res.op == UserOperation.CreateCommentLike) {
 689       let data = res.data as CommentResponse;
 690       createCommentLikeRes(data, this.state.comments);
 691       this.setState(this.state);
 692     }
 693   }
 694 }