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