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