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 { UserListing } from './user-listing';
  37 import {
  38   wsJsonToRes,
  39   repoUrl,
  40   mdToHtml,
  41   fetchLimit,
  42   toast,
  43   getListingTypeFromProps,
  44   getPageFromProps,
  45   getSortTypeFromProps,
  46   getDataTypeFromProps,
  47   editCommentRes,
  48   saveCommentRes,
  49   createCommentLikeRes,
  50   createPostLikeFindRes,
  51   editPostFindRes,
  52   commentsToFlatNodes,
  53   setupTippy,
  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-body" 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/${community.community_name}`}>
 194                               {community.community_name}
 195                             </Link>
 196                           </li>
 197                         ))}
 198                       </ul>
 199                     </div>
 200                   )}
 201                 <Link
 202                   class="btn btn-sm btn-secondary btn-block"
 203                   to="/create_community"
 204                 >
 205                   {i18n.t('create_a_community')}
 206                 </Link>
 207               </div>
 208             </div>
 209             {this.sidebar()}
 210             {this.landing()}
 211           </div>
 212         )}
 213       </div>
 214     );
 215   }
 216
 217   trendingCommunities() {
 218     return (
 219       <div>
 220         <h5>
 221           <T i18nKey="trending_communities">
 222             #
 223             <Link class="text-body" to="/communities">
 224               #
 225             </Link>
 226           </T>
 227         </h5>
 228         <ul class="list-inline">
 229           {this.state.trendingCommunities.map(community => (
 230             <li class="list-inline-item">
 231               <Link to={`/c/${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 font-weight-bold">
 271                 <li className="list-inline-item-action">
 272                   <span
 273                     class="pointer"
 274                     onClick={linkEvent(this, this.handleEditClick)}
 275                     data-tippy-content={i18n.t('edit')}
 276                   >
 277                     <svg class="icon icon-inline">
 278                       <use xlinkHref="#icon-edit"></use>
 279                     </svg>
 280                   </span>
 281                 </li>
 282               </ul>
 283             )}
 284             <ul class="my-2 list-inline">
 285               {/*
 286               <li className="list-inline-item badge badge-secondary">
 287                 {i18n.t('number_online', { count: this.state.siteRes.online })}
 288               </li>
 289               */}
 290               <li className="list-inline-item badge badge-secondary">
 291                 {i18n.t('number_of_users', {
 292                   count: this.state.siteRes.site.number_of_users,
 293                 })}
 294               </li>
 295               <li className="list-inline-item badge badge-secondary">
 296                 {i18n.t('number_of_communities', {
 297                   count: this.state.siteRes.site.number_of_communities,
 298                 })}
 299               </li>
 300               <li className="list-inline-item badge badge-secondary">
 301                 {i18n.t('number_of_posts', {
 302                   count: this.state.siteRes.site.number_of_posts,
 303                 })}
 304               </li>
 305               <li className="list-inline-item badge badge-secondary">
 306                 {i18n.t('number_of_comments', {
 307                   count: this.state.siteRes.site.number_of_comments,
 308                 })}
 309               </li>
 310               <li className="list-inline-item">
 311                 <Link className="badge badge-secondary" to="/modlog">
 312                   {i18n.t('modlog')}
 313                 </Link>
 314               </li>
 315             </ul>
 316             <ul class="mt-1 list-inline small mb-0">
 317               <li class="list-inline-item">{i18n.t('admins')}:</li>
 318               {this.state.siteRes.admins.map(admin => (
 319                 <li class="list-inline-item">
 320                   <UserListing
 321                     user={{
 322                       name: admin.name,
 323                       avatar: admin.avatar,
 324                     }}
 325                   />
 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.selects()}
 389         {this.state.loading ? (
 390           <h5>
 391             <svg class="icon icon-spinner spin">
 392               <use xlinkHref="#icon-spinner"></use>
 393             </svg>
 394           </h5>
 395         ) : (
 396           <div>
 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
 408         posts={this.state.posts}
 409         showCommunity
 410         removeDuplicates
 411         sort={this.state.sort}
 412       />
 413     ) : (
 414       <CommentNodes
 415         nodes={commentsToFlatNodes(this.state.comments)}
 416         noIndent
 417         showCommunity
 418         sortType={this.state.sort}
 419         showContext
 420       />
 421     );
 422   }
 423
 424   selects() {
 425     return (
 426       <div className="mb-3">
 427         <span class="mr-3">
 428           <DataTypeSelect
 429             type_={this.state.dataType}
 430             onChange={this.handleDataTypeChange}
 431           />
 432         </span>
 433         <span class="mr-3">
 434           <ListingTypeSelect
 435             type_={this.state.listingType}
 436             onChange={this.handleListingTypeChange}
 437           />
 438         </span>
 439         <span class="mr-2">
 440           <SortSelect sort={this.state.sort} onChange={this.handleSortChange} />
 441         </span>
 442         {this.state.listingType == ListingType.All && (
 443           <a
 444             href={`/feeds/all.xml?sort=${SortType[this.state.sort]}`}
 445             target="_blank"
 446             title="RSS"
 447           >
 448             <svg class="icon text-muted small">
 449               <use xlinkHref="#icon-rss">#</use>
 450             </svg>
 451           </a>
 452         )}
 453         {UserService.Instance.user &&
 454           this.state.listingType == ListingType.Subscribed && (
 455             <a
 456               href={`/feeds/front/${UserService.Instance.auth}.xml?sort=${
 457                 SortType[this.state.sort]
 458               }`}
 459               target="_blank"
 460               title="RSS"
 461             >
 462               <svg class="icon text-muted small">
 463                 <use xlinkHref="#icon-rss">#</use>
 464               </svg>
 465             </a>
 466           )}
 467       </div>
 468     );
 469   }
 470
 471   paginator() {
 472     return (
 473       <div class="my-2">
 474         {this.state.page > 1 && (
 475           <button
 476             class="btn btn-sm btn-secondary mr-1"
 477             onClick={linkEvent(this, this.prevPage)}
 478           >
 479             {i18n.t('prev')}
 480           </button>
 481         )}
 482         {this.state.posts.length == fetchLimit && (
 483           <button
 484             class="btn btn-sm btn-secondary"
 485             onClick={linkEvent(this, this.nextPage)}
 486           >
 487             {i18n.t('next')}
 488           </button>
 489         )}
 490       </div>
 491     );
 492   }
 493
 494   get canAdmin(): boolean {
 495     return (
 496       UserService.Instance.user &&
 497       this.state.siteRes.admins
 498         .map(a => a.id)
 499         .includes(UserService.Instance.user.id)
 500     );
 501   }
 502
 503   handleEditClick(i: Main) {
 504     i.state.showEditSite = true;
 505     i.setState(i.state);
 506   }
 507
 508   handleEditCancel() {
 509     this.state.showEditSite = false;
 510     this.setState(this.state);
 511   }
 512
 513   nextPage(i: Main) {
 514     i.state.page++;
 515     i.state.loading = true;
 516     i.setState(i.state);
 517     i.updateUrl();
 518     i.fetchData();
 519     window.scrollTo(0, 0);
 520   }
 521
 522   prevPage(i: Main) {
 523     i.state.page--;
 524     i.state.loading = true;
 525     i.setState(i.state);
 526     i.updateUrl();
 527     i.fetchData();
 528     window.scrollTo(0, 0);
 529   }
 530
 531   handleSortChange(val: SortType) {
 532     this.state.sort = val;
 533     this.state.page = 1;
 534     this.state.loading = true;
 535     this.setState(this.state);
 536     this.updateUrl();
 537     this.fetchData();
 538     window.scrollTo(0, 0);
 539   }
 540
 541   handleListingTypeChange(val: ListingType) {
 542     this.state.listingType = val;
 543     this.state.page = 1;
 544     this.state.loading = true;
 545     this.setState(this.state);
 546     this.updateUrl();
 547     this.fetchData();
 548     window.scrollTo(0, 0);
 549   }
 550
 551   handleDataTypeChange(val: DataType) {
 552     this.state.dataType = val;
 553     this.state.page = 1;
 554     this.state.loading = true;
 555     this.setState(this.state);
 556     this.updateUrl();
 557     this.fetchData();
 558     window.scrollTo(0, 0);
 559   }
 560
 561   fetchData() {
 562     if (this.state.dataType == DataType.Post) {
 563       let getPostsForm: GetPostsForm = {
 564         page: this.state.page,
 565         limit: fetchLimit,
 566         sort: SortType[this.state.sort],
 567         type_: ListingType[this.state.listingType],
 568       };
 569       WebSocketService.Instance.getPosts(getPostsForm);
 570     } else {
 571       let getCommentsForm: GetCommentsForm = {
 572         page: this.state.page,
 573         limit: fetchLimit,
 574         sort: SortType[this.state.sort],
 575         type_: ListingType[this.state.listingType],
 576       };
 577       WebSocketService.Instance.getComments(getCommentsForm);
 578     }
 579   }
 580
 581   parseMessage(msg: WebSocketJsonResponse) {
 582     console.log(msg);
 583     let res = wsJsonToRes(msg);
 584     if (msg.error) {
 585       toast(i18n.t(msg.error), 'danger');
 586       return;
 587     } else if (msg.reconnect) {
 588       this.fetchData();
 589     } else if (res.op == UserOperation.GetFollowedCommunities) {
 590       let data = res.data as GetFollowedCommunitiesResponse;
 591       this.state.subscribedCommunities = data.communities;
 592       this.setState(this.state);
 593     } else if (res.op == UserOperation.ListCommunities) {
 594       let data = res.data as ListCommunitiesResponse;
 595       this.state.trendingCommunities = data.communities;
 596       this.setState(this.state);
 597     } else if (res.op == UserOperation.GetSite) {
 598       let data = res.data as GetSiteResponse;
 599
 600       // This means it hasn't been set up yet
 601       if (!data.site) {
 602         this.context.router.history.push('/setup');
 603       }
 604       this.state.siteRes.admins = data.admins;
 605       this.state.siteRes.site = data.site;
 606       this.state.siteRes.banned = data.banned;
 607       this.state.siteRes.online = data.online;
 608       this.setState(this.state);
 609       document.title = `${WebSocketService.Instance.site.name}`;
 610     } else if (res.op == UserOperation.EditSite) {
 611       let data = res.data as SiteResponse;
 612       this.state.siteRes.site = data.site;
 613       this.state.showEditSite = false;
 614       this.setState(this.state);
 615       toast(i18n.t('site_saved'));
 616     } else if (res.op == UserOperation.GetPosts) {
 617       let data = res.data as GetPostsResponse;
 618       this.state.posts = data.posts;
 619       this.state.loading = false;
 620       this.setState(this.state);
 621       setupTippy();
 622     } else if (res.op == UserOperation.CreatePost) {
 623       let data = res.data as PostResponse;
 624
 625       // If you're on subscribed, only push it if you're subscribed.
 626       if (this.state.listingType == ListingType.Subscribed) {
 627         if (
 628           this.state.subscribedCommunities
 629             .map(c => c.community_id)
 630             .includes(data.post.community_id)
 631         ) {
 632           this.state.posts.unshift(data.post);
 633         }
 634       } else {
 635         // NSFW posts
 636         let nsfw = data.post.nsfw || data.post.community_nsfw;
 637
 638         // Don't push the post if its nsfw, and don't have that setting on
 639         if (
 640           !nsfw ||
 641           (nsfw &&
 642             UserService.Instance.user &&
 643             UserService.Instance.user.show_nsfw)
 644         ) {
 645           this.state.posts.unshift(data.post);
 646         }
 647       }
 648       this.setState(this.state);
 649     } else if (res.op == UserOperation.EditPost) {
 650       let data = res.data as PostResponse;
 651       editPostFindRes(data, this.state.posts);
 652       this.setState(this.state);
 653     } else if (res.op == UserOperation.CreatePostLike) {
 654       let data = res.data as PostResponse;
 655       createPostLikeFindRes(data, this.state.posts);
 656       this.setState(this.state);
 657     } else if (res.op == UserOperation.AddAdmin) {
 658       let data = res.data as AddAdminResponse;
 659       this.state.siteRes.admins = data.admins;
 660       this.setState(this.state);
 661     } else if (res.op == UserOperation.BanUser) {
 662       let data = res.data as BanUserResponse;
 663       let found = this.state.siteRes.banned.find(u => (u.id = data.user.id));
 664
 665       // Remove the banned if its found in the list, and the action is an unban
 666       if (found && !data.banned) {
 667         this.state.siteRes.banned = this.state.siteRes.banned.filter(
 668           i => i.id !== data.user.id
 669         );
 670       } else {
 671         this.state.siteRes.banned.push(data.user);
 672       }
 673
 674       this.state.posts
 675         .filter(p => p.creator_id == data.user.id)
 676         .forEach(p => (p.banned = data.banned));
 677
 678       this.setState(this.state);
 679     } else if (res.op == UserOperation.GetComments) {
 680       let data = res.data as GetCommentsResponse;
 681       this.state.comments = data.comments;
 682       this.state.loading = false;
 683       this.setState(this.state);
 684     } else if (res.op == UserOperation.EditComment) {
 685       let data = res.data as CommentResponse;
 686       editCommentRes(data, this.state.comments);
 687       this.setState(this.state);
 688     } else if (res.op == UserOperation.CreateComment) {
 689       let data = res.data as CommentResponse;
 690
 691       // Necessary since it might be a user reply
 692       if (data.recipient_ids.length == 0) {
 693         // If you're on subscribed, only push it if you're subscribed.
 694         if (this.state.listingType == ListingType.Subscribed) {
 695           if (
 696             this.state.subscribedCommunities
 697               .map(c => c.community_id)
 698               .includes(data.comment.community_id)
 699           ) {
 700             this.state.comments.unshift(data.comment);
 701           }
 702         } else {
 703           this.state.comments.unshift(data.comment);
 704         }
 705         this.setState(this.state);
 706       }
 707     } else if (res.op == UserOperation.SaveComment) {
 708       let data = res.data as CommentResponse;
 709       saveCommentRes(data, this.state.comments);
 710       this.setState(this.state);
 711     } else if (res.op == UserOperation.CreateCommentLike) {
 712       let data = res.data as CommentResponse;
 713       createCommentLikeRes(data, this.state.comments);
 714       this.setState(this.state);
 715     }
 716   }
 717 }