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               <li className="list-inline-item badge badge-secondary">
 286                 {i18n.t('number_online', { count: this.state.siteRes.online })}
 287               </li>
 288               <li className="list-inline-item badge badge-secondary">
 289                 {i18n.t('number_of_users', {
 290                   count: this.state.siteRes.site.number_of_users,
 291                 })}
 292               </li>
 293               <li className="list-inline-item badge badge-secondary">
 294                 {i18n.t('number_of_communities', {
 295                   count: this.state.siteRes.site.number_of_communities,
 296                 })}
 297               </li>
 298               <li className="list-inline-item badge badge-secondary">
 299                 {i18n.t('number_of_posts', {
 300                   count: this.state.siteRes.site.number_of_posts,
 301                 })}
 302               </li>
 303               <li className="list-inline-item badge badge-secondary">
 304                 {i18n.t('number_of_comments', {
 305                   count: this.state.siteRes.site.number_of_comments,
 306                 })}
 307               </li>
 308               <li className="list-inline-item">
 309                 <Link className="badge badge-secondary" to="/modlog">
 310                   {i18n.t('modlog')}
 311                 </Link>
 312               </li>
 313             </ul>
 314             <ul class="mt-1 list-inline small mb-0">
 315               <li class="list-inline-item">{i18n.t('admins')}:</li>
 316               {this.state.siteRes.admins.map(admin => (
 317                 <li class="list-inline-item">
 318                   <UserListing
 319                     user={{
 320                       name: admin.name,
 321                       avatar: admin.avatar,
 322                     }}
 323                   />
 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.selects()}
 387         {this.state.loading ? (
 388           <h5>
 389             <svg class="icon icon-spinner spin">
 390               <use xlinkHref="#icon-spinner"></use>
 391             </svg>
 392           </h5>
 393         ) : (
 394           <div>
 395             {this.listings()}
 396             {this.paginator()}
 397           </div>
 398         )}
 399       </div>
 400     );
 401   }
 402
 403   listings() {
 404     return this.state.dataType == DataType.Post ? (
 405       <PostListings
 406         posts={this.state.posts}
 407         showCommunity
 408         removeDuplicates
 409         sort={this.state.sort}
 410       />
 411     ) : (
 412       <CommentNodes
 413         nodes={commentsToFlatNodes(this.state.comments)}
 414         noIndent
 415         showCommunity
 416         sortType={this.state.sort}
 417         showContext
 418       />
 419     );
 420   }
 421
 422   selects() {
 423     return (
 424       <div className="mb-3">
 425         <span class="mr-3">
 426           <DataTypeSelect
 427             type_={this.state.dataType}
 428             onChange={this.handleDataTypeChange}
 429           />
 430         </span>
 431         <span class="mr-3">
 432           <ListingTypeSelect
 433             type_={this.state.listingType}
 434             onChange={this.handleListingTypeChange}
 435           />
 436         </span>
 437         <span class="mr-2">
 438           <SortSelect sort={this.state.sort} onChange={this.handleSortChange} />
 439         </span>
 440         {this.state.listingType == ListingType.All && (
 441           <a
 442             href={`/feeds/all.xml?sort=${SortType[this.state.sort]}`}
 443             target="_blank"
 444             title="RSS"
 445           >
 446             <svg class="icon text-muted small">
 447               <use xlinkHref="#icon-rss">#</use>
 448             </svg>
 449           </a>
 450         )}
 451         {UserService.Instance.user &&
 452           this.state.listingType == ListingType.Subscribed && (
 453             <a
 454               href={`/feeds/front/${UserService.Instance.auth}.xml?sort=${
 455                 SortType[this.state.sort]
 456               }`}
 457               target="_blank"
 458               title="RSS"
 459             >
 460               <svg class="icon text-muted small">
 461                 <use xlinkHref="#icon-rss">#</use>
 462               </svg>
 463             </a>
 464           )}
 465       </div>
 466     );
 467   }
 468
 469   paginator() {
 470     return (
 471       <div class="my-2">
 472         {this.state.page > 1 && (
 473           <button
 474             class="btn btn-sm btn-secondary mr-1"
 475             onClick={linkEvent(this, this.prevPage)}
 476           >
 477             {i18n.t('prev')}
 478           </button>
 479         )}
 480         {this.state.posts.length == fetchLimit && (
 481           <button
 482             class="btn btn-sm btn-secondary"
 483             onClick={linkEvent(this, this.nextPage)}
 484           >
 485             {i18n.t('next')}
 486           </button>
 487         )}
 488       </div>
 489     );
 490   }
 491
 492   get canAdmin(): boolean {
 493     return (
 494       UserService.Instance.user &&
 495       this.state.siteRes.admins
 496         .map(a => a.id)
 497         .includes(UserService.Instance.user.id)
 498     );
 499   }
 500
 501   handleEditClick(i: Main) {
 502     i.state.showEditSite = true;
 503     i.setState(i.state);
 504   }
 505
 506   handleEditCancel() {
 507     this.state.showEditSite = false;
 508     this.setState(this.state);
 509   }
 510
 511   nextPage(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   prevPage(i: Main) {
 521     i.state.page--;
 522     i.state.loading = true;
 523     i.setState(i.state);
 524     i.updateUrl();
 525     i.fetchData();
 526     window.scrollTo(0, 0);
 527   }
 528
 529   handleSortChange(val: SortType) {
 530     this.state.sort = val;
 531     this.state.page = 1;
 532     this.state.loading = true;
 533     this.setState(this.state);
 534     this.updateUrl();
 535     this.fetchData();
 536     window.scrollTo(0, 0);
 537   }
 538
 539   handleListingTypeChange(val: ListingType) {
 540     this.state.listingType = val;
 541     this.state.page = 1;
 542     this.state.loading = true;
 543     this.setState(this.state);
 544     this.updateUrl();
 545     this.fetchData();
 546     window.scrollTo(0, 0);
 547   }
 548
 549   handleDataTypeChange(val: DataType) {
 550     this.state.dataType = val;
 551     this.state.page = 1;
 552     this.state.loading = true;
 553     this.setState(this.state);
 554     this.updateUrl();
 555     this.fetchData();
 556     window.scrollTo(0, 0);
 557   }
 558
 559   fetchData() {
 560     if (this.state.dataType == DataType.Post) {
 561       let getPostsForm: GetPostsForm = {
 562         page: this.state.page,
 563         limit: fetchLimit,
 564         sort: SortType[this.state.sort],
 565         type_: ListingType[this.state.listingType],
 566       };
 567       WebSocketService.Instance.getPosts(getPostsForm);
 568     } else {
 569       let getCommentsForm: GetCommentsForm = {
 570         page: this.state.page,
 571         limit: fetchLimit,
 572         sort: SortType[this.state.sort],
 573         type_: ListingType[this.state.listingType],
 574       };
 575       WebSocketService.Instance.getComments(getCommentsForm);
 576     }
 577   }
 578
 579   parseMessage(msg: WebSocketJsonResponse) {
 580     console.log(msg);
 581     let res = wsJsonToRes(msg);
 582     if (msg.error) {
 583       toast(i18n.t(msg.error), 'danger');
 584       return;
 585     } else if (msg.reconnect) {
 586       this.fetchData();
 587     } else if (res.op == UserOperation.GetFollowedCommunities) {
 588       let data = res.data as GetFollowedCommunitiesResponse;
 589       this.state.subscribedCommunities = data.communities;
 590       this.setState(this.state);
 591     } else if (res.op == UserOperation.ListCommunities) {
 592       let data = res.data as ListCommunitiesResponse;
 593       this.state.trendingCommunities = data.communities;
 594       this.setState(this.state);
 595     } else if (res.op == UserOperation.GetSite) {
 596       let data = res.data as GetSiteResponse;
 597
 598       // This means it hasn't been set up yet
 599       if (!data.site) {
 600         this.context.router.history.push('/setup');
 601       }
 602       this.state.siteRes.admins = data.admins;
 603       this.state.siteRes.site = data.site;
 604       this.state.siteRes.banned = data.banned;
 605       this.state.siteRes.online = data.online;
 606       this.setState(this.state);
 607       document.title = `${WebSocketService.Instance.site.name}`;
 608     } else if (res.op == UserOperation.EditSite) {
 609       let data = res.data as SiteResponse;
 610       this.state.siteRes.site = data.site;
 611       this.state.showEditSite = false;
 612       this.setState(this.state);
 613       toast(i18n.t('site_saved'));
 614     } else if (res.op == UserOperation.GetPosts) {
 615       let data = res.data as GetPostsResponse;
 616       this.state.posts = data.posts;
 617       this.state.loading = false;
 618       this.setState(this.state);
 619       setupTippy();
 620     } else if (res.op == UserOperation.CreatePost) {
 621       let data = res.data as PostResponse;
 622
 623       // If you're on subscribed, only push it if you're subscribed.
 624       if (this.state.listingType == ListingType.Subscribed) {
 625         if (
 626           this.state.subscribedCommunities
 627             .map(c => c.community_id)
 628             .includes(data.post.community_id)
 629         ) {
 630           this.state.posts.unshift(data.post);
 631         }
 632       } else {
 633         // NSFW posts
 634         let nsfw = data.post.nsfw || data.post.community_nsfw;
 635
 636         // Don't push the post if its nsfw, and don't have that setting on
 637         if (
 638           !nsfw ||
 639           (nsfw &&
 640             UserService.Instance.user &&
 641             UserService.Instance.user.show_nsfw)
 642         ) {
 643           this.state.posts.unshift(data.post);
 644         }
 645       }
 646       this.setState(this.state);
 647     } else if (res.op == UserOperation.EditPost) {
 648       let data = res.data as PostResponse;
 649       editPostFindRes(data, this.state.posts);
 650       this.setState(this.state);
 651     } else if (res.op == UserOperation.CreatePostLike) {
 652       let data = res.data as PostResponse;
 653       createPostLikeFindRes(data, this.state.posts);
 654       this.setState(this.state);
 655     } else if (res.op == UserOperation.AddAdmin) {
 656       let data = res.data as AddAdminResponse;
 657       this.state.siteRes.admins = data.admins;
 658       this.setState(this.state);
 659     } else if (res.op == UserOperation.BanUser) {
 660       let data = res.data as BanUserResponse;
 661       let found = this.state.siteRes.banned.find(u => (u.id = data.user.id));
 662
 663       // Remove the banned if its found in the list, and the action is an unban
 664       if (found && !data.banned) {
 665         this.state.siteRes.banned = this.state.siteRes.banned.filter(
 666           i => i.id !== data.user.id
 667         );
 668       } else {
 669         this.state.siteRes.banned.push(data.user);
 670       }
 671
 672       this.state.posts
 673         .filter(p => p.creator_id == data.user.id)
 674         .forEach(p => (p.banned = data.banned));
 675
 676       this.setState(this.state);
 677     } else if (res.op == UserOperation.GetComments) {
 678       let data = res.data as GetCommentsResponse;
 679       this.state.comments = data.comments;
 680       this.state.loading = false;
 681       this.setState(this.state);
 682     } else if (res.op == UserOperation.EditComment) {
 683       let data = res.data as CommentResponse;
 684       editCommentRes(data, this.state.comments);
 685       this.setState(this.state);
 686     } else if (res.op == UserOperation.CreateComment) {
 687       let data = res.data as CommentResponse;
 688
 689       // Necessary since it might be a user reply
 690       if (data.recipient_ids.length == 0) {
 691         // If you're on subscribed, only push it if you're subscribed.
 692         if (this.state.listingType == ListingType.Subscribed) {
 693           if (
 694             this.state.subscribedCommunities
 695               .map(c => c.community_id)
 696               .includes(data.comment.community_id)
 697           ) {
 698             this.state.comments.unshift(data.comment);
 699           }
 700         } else {
 701           this.state.comments.unshift(data.comment);
 702         }
 703         this.setState(this.state);
 704       }
 705     } else if (res.op == UserOperation.SaveComment) {
 706       let data = res.data as CommentResponse;
 707       saveCommentRes(data, this.state.comments);
 708       this.setState(this.state);
 709     } else if (res.op == UserOperation.CreateCommentLike) {
 710       let data = res.data as CommentResponse;
 711       createCommentLikeRes(data, this.state.comments);
 712       this.setState(this.state);
 713     }
 714   }
 715 }