ui/src/components/community.tsx

   1 import { Component, linkEvent } from 'inferno';
   2 import { Subscription } from 'rxjs';
   3 import { retryWhen, delay, take } from 'rxjs/operators';
   4 import {
   5   UserOperation,
   6   Community as CommunityI,
   7   GetCommunityResponse,
   8   CommunityResponse,
   9   CommunityUser,
  10   UserView,
  11   SortType,
  12   Post,
  13   GetPostsForm,
  14   GetCommunityForm,
  15   ListingType,
  16   DataType,
  17   GetPostsResponse,
  18   PostResponse,
  19   AddModToCommunityResponse,
  20   BanFromCommunityResponse,
  21   Comment,
  22   GetCommentsForm,
  23   GetCommentsResponse,
  24   CommentResponse,
  25   WebSocketJsonResponse,
  26 } from '../interfaces';
  27 import { WebSocketService } from '../services';
  28 import { PostListings } from './post-listings';
  29 import { CommentNodes } from './comment-nodes';
  30 import { SortSelect } from './sort-select';
  31 import { DataTypeSelect } from './data-type-select';
  32 import { Sidebar } from './sidebar';
  33 import {
  34   wsJsonToRes,
  35   fetchLimit,
  36   toast,
  37   getPageFromProps,
  38   getSortTypeFromProps,
  39   getDataTypeFromProps,
  40   editCommentRes,
  41   saveCommentRes,
  42   createCommentLikeRes,
  43   createPostLikeFindRes,
  44   editPostFindRes,
  45   commentsToFlatNodes,
  46   setupTippy,
  47 } from '../utils';
  48 import { i18n } from '../i18next';
  49
  50 interface State {
  51   community: CommunityI;
  52   communityId: number;
  53   communityName: string;
  54   moderators: Array<CommunityUser>;
  55   admins: Array<UserView>;
  56   online: number;
  57   loading: boolean;
  58   posts: Array<Post>;
  59   comments: Array<Comment>;
  60   dataType: DataType;
  61   sort: SortType;
  62   page: number;
  63 }
  64
  65 export class Community extends Component<any, State> {
  66   private subscription: Subscription;
  67   private emptyState: State = {
  68     community: {
  69       id: null,
  70       name: null,
  71       title: null,
  72       category_id: null,
  73       category_name: null,
  74       creator_id: null,
  75       creator_name: null,
  76       number_of_subscribers: null,
  77       number_of_posts: null,
  78       number_of_comments: null,
  79       published: null,
  80       removed: null,
  81       nsfw: false,
  82       deleted: null,
  83       local: null,
  84       actor_id: null,
  85       last_refreshed_at: null,
  86       creator_actor_id: null,
  87       creator_local: null,
  88     },
  89     moderators: [],
  90     admins: [],
  91     communityId: Number(this.props.match.params.id),
  92     communityName: this.props.match.params.name,
  93     online: null,
  94     loading: true,
  95     posts: [],
  96     comments: [],
  97     dataType: getDataTypeFromProps(this.props),
  98     sort: getSortTypeFromProps(this.props),
  99     page: getPageFromProps(this.props),
 100   };
 101
 102   constructor(props: any, context: any) {
 103     super(props, context);
 104
 105     this.state = this.emptyState;
 106     this.handleSortChange = this.handleSortChange.bind(this);
 107     this.handleDataTypeChange = this.handleDataTypeChange.bind(this);
 108
 109     this.subscription = WebSocketService.Instance.subject
 110       .pipe(retryWhen(errors => errors.pipe(delay(3000), take(10))))
 111       .subscribe(
 112         msg => this.parseMessage(msg),
 113         err => console.error(err),
 114         () => console.log('complete')
 115       );
 116
 117     let form: GetCommunityForm = {
 118       id: this.state.communityId ? this.state.communityId : null,
 119       name: this.state.communityName ? this.state.communityName : null,
 120     };
 121     WebSocketService.Instance.getCommunity(form);
 122   }
 123
 124   componentWillUnmount() {
 125     this.subscription.unsubscribe();
 126   }
 127
 128   // Necessary for back button for some reason
 129   componentWillReceiveProps(nextProps: any) {
 130     if (
 131       nextProps.history.action == 'POP' ||
 132       nextProps.history.action == 'PUSH'
 133     ) {
 134       this.state.dataType = getDataTypeFromProps(nextProps);
 135       this.state.sort = getSortTypeFromProps(nextProps);
 136       this.state.page = getPageFromProps(nextProps);
 137       this.setState(this.state);
 138       this.fetchData();
 139     }
 140   }
 141
 142   render() {
 143     return (
 144       <div class="container">
 145         {this.selects()}
 146         {this.state.loading ? (
 147           <h5>
 148             <svg class="icon icon-spinner spin">
 149               <use xlinkHref="#icon-spinner"></use>
 150             </svg>
 151           </h5>
 152         ) : (
 153           <div class="row">
 154             <div class="col-12 col-md-8">
 155               <h5>
 156                 {this.state.community.title}
 157                 {this.state.community.removed && (
 158                   <small className="ml-2 text-muted font-italic">
 159                     {i18n.t('removed')}
 160                   </small>
 161                 )}
 162                 {this.state.community.nsfw && (
 163                   <small className="ml-2 text-muted font-italic">
 164                     {i18n.t('nsfw')}
 165                   </small>
 166                 )}
 167               </h5>
 168               {this.listings()}
 169               {this.paginator()}
 170             </div>
 171             <div class="col-12 col-md-4">
 172               <Sidebar
 173                 community={this.state.community}
 174                 moderators={this.state.moderators}
 175                 admins={this.state.admins}
 176                 online={this.state.online}
 177               />
 178             </div>
 179           </div>
 180         )}
 181       </div>
 182     );
 183   }
 184
 185   listings() {
 186     return this.state.dataType == DataType.Post ? (
 187       <PostListings
 188         posts={this.state.posts}
 189         removeDuplicates
 190         sort={this.state.sort}
 191       />
 192     ) : (
 193       <CommentNodes
 194         nodes={commentsToFlatNodes(this.state.comments)}
 195         noIndent
 196         sortType={this.state.sort}
 197         showContext
 198       />
 199     );
 200   }
 201
 202   selects() {
 203     return (
 204       <div class="mb-3">
 205         <span class="mr-3">
 206           <DataTypeSelect
 207             type_={this.state.dataType}
 208             onChange={this.handleDataTypeChange}
 209           />
 210         </span>
 211         <span class="mr-2">
 212           <SortSelect sort={this.state.sort} onChange={this.handleSortChange} />
 213         </span>
 214         <a
 215           href={`/feeds/c/${this.state.communityName}.xml?sort=${
 216             SortType[this.state.sort]
 217           }`}
 218           target="_blank"
 219           title="RSS"
 220         >
 221           <svg class="icon text-muted small">
 222             <use xlinkHref="#icon-rss">#</use>
 223           </svg>
 224         </a>
 225       </div>
 226     );
 227   }
 228
 229   paginator() {
 230     return (
 231       <div class="my-2">
 232         {this.state.page > 1 && (
 233           <button
 234             class="btn btn-sm btn-secondary mr-1"
 235             onClick={linkEvent(this, this.prevPage)}
 236           >
 237             {i18n.t('prev')}
 238           </button>
 239         )}
 240         {this.state.posts.length == fetchLimit && (
 241           <button
 242             class="btn btn-sm btn-secondary"
 243             onClick={linkEvent(this, this.nextPage)}
 244           >
 245             {i18n.t('next')}
 246           </button>
 247         )}
 248       </div>
 249     );
 250   }
 251
 252   nextPage(i: Community) {
 253     i.state.page++;
 254     i.setState(i.state);
 255     i.updateUrl();
 256     i.fetchData();
 257     window.scrollTo(0, 0);
 258   }
 259
 260   prevPage(i: Community) {
 261     i.state.page--;
 262     i.setState(i.state);
 263     i.updateUrl();
 264     i.fetchData();
 265     window.scrollTo(0, 0);
 266   }
 267
 268   handleSortChange(val: SortType) {
 269     this.state.sort = val;
 270     this.state.page = 1;
 271     this.state.loading = true;
 272     this.setState(this.state);
 273     this.updateUrl();
 274     this.fetchData();
 275     window.scrollTo(0, 0);
 276   }
 277
 278   handleDataTypeChange(val: DataType) {
 279     this.state.dataType = val;
 280     this.state.page = 1;
 281     this.state.loading = true;
 282     this.setState(this.state);
 283     this.updateUrl();
 284     this.fetchData();
 285     window.scrollTo(0, 0);
 286   }
 287
 288   updateUrl() {
 289     let dataTypeStr = DataType[this.state.dataType].toLowerCase();
 290     let sortStr = SortType[this.state.sort].toLowerCase();
 291     this.props.history.push(
 292       `/c/${this.state.community.name}/data_type/${dataTypeStr}/sort/${sortStr}/page/${this.state.page}`
 293     );
 294   }
 295
 296   fetchData() {
 297     if (this.state.dataType == DataType.Post) {
 298       let getPostsForm: GetPostsForm = {
 299         page: this.state.page,
 300         limit: fetchLimit,
 301         sort: SortType[this.state.sort],
 302         type_: ListingType[ListingType.Community],
 303         community_id: this.state.community.id,
 304       };
 305       WebSocketService.Instance.getPosts(getPostsForm);
 306     } else {
 307       let getCommentsForm: GetCommentsForm = {
 308         page: this.state.page,
 309         limit: fetchLimit,
 310         sort: SortType[this.state.sort],
 311         type_: ListingType[ListingType.Community],
 312         community_id: this.state.community.id,
 313       };
 314       WebSocketService.Instance.getComments(getCommentsForm);
 315     }
 316   }
 317
 318   parseMessage(msg: WebSocketJsonResponse) {
 319     console.log(msg);
 320     let res = wsJsonToRes(msg);
 321     if (msg.error) {
 322       toast(i18n.t(msg.error), 'danger');
 323       this.context.router.history.push('/');
 324       return;
 325     } else if (msg.reconnect) {
 326       this.fetchData();
 327     } else if (res.op == UserOperation.GetCommunity) {
 328       let data = res.data as GetCommunityResponse;
 329       this.state.community = data.community;
 330       this.state.moderators = data.moderators;
 331       this.state.admins = data.admins;
 332       this.state.online = data.online;
 333       document.title = `/c/${this.state.community.name} - ${WebSocketService.Instance.site.name}`;
 334       this.setState(this.state);
 335       this.fetchData();
 336     } else if (res.op == UserOperation.EditCommunity) {
 337       let data = res.data as CommunityResponse;
 338       this.state.community = data.community;
 339       this.setState(this.state);
 340     } else if (res.op == UserOperation.FollowCommunity) {
 341       let data = res.data as CommunityResponse;
 342       this.state.community.subscribed = data.community.subscribed;
 343       this.state.community.number_of_subscribers =
 344         data.community.number_of_subscribers;
 345       this.setState(this.state);
 346     } else if (res.op == UserOperation.GetPosts) {
 347       let data = res.data as GetPostsResponse;
 348       this.state.posts = data.posts;
 349       this.state.loading = false;
 350       this.setState(this.state);
 351       setupTippy();
 352     } else if (res.op == UserOperation.EditPost) {
 353       let data = res.data as PostResponse;
 354       editPostFindRes(data, this.state.posts);
 355       this.setState(this.state);
 356     } else if (res.op == UserOperation.CreatePost) {
 357       let data = res.data as PostResponse;
 358       this.state.posts.unshift(data.post);
 359       this.setState(this.state);
 360     } else if (res.op == UserOperation.CreatePostLike) {
 361       let data = res.data as PostResponse;
 362       createPostLikeFindRes(data, this.state.posts);
 363       this.setState(this.state);
 364     } else if (res.op == UserOperation.AddModToCommunity) {
 365       let data = res.data as AddModToCommunityResponse;
 366       this.state.moderators = data.moderators;
 367       this.setState(this.state);
 368     } else if (res.op == UserOperation.BanFromCommunity) {
 369       let data = res.data as BanFromCommunityResponse;
 370
 371       this.state.posts
 372         .filter(p => p.creator_id == data.user.id)
 373         .forEach(p => (p.banned = data.banned));
 374
 375       this.setState(this.state);
 376     } else if (res.op == UserOperation.GetComments) {
 377       let data = res.data as GetCommentsResponse;
 378       this.state.comments = data.comments;
 379       this.state.loading = false;
 380       this.setState(this.state);
 381     } else if (res.op == UserOperation.EditComment) {
 382       let data = res.data as CommentResponse;
 383       editCommentRes(data, this.state.comments);
 384       this.setState(this.state);
 385     } else if (res.op == UserOperation.CreateComment) {
 386       let data = res.data as CommentResponse;
 387
 388       // Necessary since it might be a user reply
 389       if (data.recipient_ids.length == 0) {
 390         this.state.comments.unshift(data.comment);
 391         this.setState(this.state);
 392       }
 393     } else if (res.op == UserOperation.SaveComment) {
 394       let data = res.data as CommentResponse;
 395       saveCommentRes(data, this.state.comments);
 396       this.setState(this.state);
 397     } else if (res.op == UserOperation.CreateCommentLike) {
 398       let data = res.data as CommentResponse;
 399       createCommentLikeRes(data, this.state.comments);
 400       this.setState(this.state);
 401     }
 402   }
 403 }