ui/src/components/post-form.tsx

   1 import { Component, linkEvent } from 'inferno';
   2 import { PostListings } from './post-listings';
   3 import { Subscription } from 'rxjs';
   4 import { retryWhen, delay, take } from 'rxjs/operators';
   5 import {
   6   PostForm as PostFormI,
   7   PostFormParams,
   8   Post,
   9   PostResponse,
  10   UserOperation,
  11   Community,
  12   ListCommunitiesResponse,
  13   ListCommunitiesForm,
  14   SortType,
  15   SearchForm,
  16   SearchType,
  17   SearchResponse,
  18   GetSiteResponse,
  19   WebSocketJsonResponse,
  20 } from '../interfaces';
  21 import { WebSocketService, UserService } from '../services';
  22 import {
  23   wsJsonToRes,
  24   getPageTitle,
  25   validURL,
  26   capitalizeFirstLetter,
  27   markdownHelpUrl,
  28   archiveUrl,
  29   mdToHtml,
  30   debounce,
  31   isImage,
  32   toast,
  33   randomStr,
  34   setupTribute,
  35 } from '../utils';
  36 import autosize from 'autosize';
  37 import Tribute from 'tributejs/src/Tribute.js';
  38 import { i18n } from '../i18next';
  39 import { T } from 'inferno-i18next';
  40
  41 interface PostFormProps {
  42   post?: Post; // If a post is given, that means this is an edit
  43   params?: PostFormParams;
  44   onCancel?(): any;
  45   onCreate?(id: number): any;
  46   onEdit?(post: Post): any;
  47 }
  48
  49 interface PostFormState {
  50   postForm: PostFormI;
  51   communities: Array<Community>;
  52   loading: boolean;
  53   imageLoading: boolean;
  54   previewMode: boolean;
  55   suggestedTitle: string;
  56   suggestedPosts: Array<Post>;
  57   crossPosts: Array<Post>;
  58   enable_nsfw: boolean;
  59 }
  60
  61 export class PostForm extends Component<PostFormProps, PostFormState> {
  62   private id = `post-form-${randomStr()}`;
  63   private tribute: Tribute;
  64   private subscription: Subscription;
  65   private emptyState: PostFormState = {
  66     postForm: {
  67       name: null,
  68       nsfw: false,
  69       auth: null,
  70       community_id: null,
  71       creator_id: UserService.Instance.user
  72         ? UserService.Instance.user.id
  73         : null,
  74     },
  75     communities: [],
  76     loading: false,
  77     imageLoading: false,
  78     previewMode: false,
  79     suggestedTitle: undefined,
  80     suggestedPosts: [],
  81     crossPosts: [],
  82     enable_nsfw: undefined,
  83   };
  84
  85   constructor(props: any, context: any) {
  86     super(props, context);
  87     this.fetchSimilarPosts = debounce(this.fetchSimilarPosts).bind(this);
  88     this.fetchPageTitle = debounce(this.fetchPageTitle).bind(this);
  89
  90     this.tribute = setupTribute();
  91     this.state = this.emptyState;
  92
  93     if (this.props.post) {
  94       this.state.postForm = {
  95         body: this.props.post.body,
  96         // NOTE: debouncing breaks both these for some reason, unless you use defaultValue
  97         name: this.props.post.name,
  98         community_id: this.props.post.community_id,
  99         edit_id: this.props.post.id,
 100         creator_id: this.props.post.creator_id,
 101         url: this.props.post.url,
 102         nsfw: this.props.post.nsfw,
 103         auth: null,
 104       };
 105     }
 106
 107     if (this.props.params) {
 108       this.state.postForm.name = this.props.params.name;
 109       if (this.props.params.url) {
 110         this.state.postForm.url = this.props.params.url;
 111       }
 112       if (this.props.params.body) {
 113         this.state.postForm.body = this.props.params.body;
 114       }
 115     }
 116
 117     this.subscription = WebSocketService.Instance.subject
 118       .pipe(retryWhen(errors => errors.pipe(delay(3000), take(10))))
 119       .subscribe(
 120         msg => this.parseMessage(msg),
 121         err => console.error(err),
 122         () => console.log('complete')
 123       );
 124
 125     let listCommunitiesForm: ListCommunitiesForm = {
 126       sort: SortType[SortType.TopAll],
 127       limit: 9999,
 128     };
 129
 130     WebSocketService.Instance.listCommunities(listCommunitiesForm);
 131     WebSocketService.Instance.getSite();
 132   }
 133
 134   componentDidMount() {
 135     var textarea: any = document.getElementById(this.id);
 136     autosize(textarea);
 137     this.tribute.attach(textarea);
 138     textarea.addEventListener('tribute-replaced', () => {
 139       this.state.postForm.body = textarea.value;
 140       this.setState(this.state);
 141       autosize.update(textarea);
 142     });
 143   }
 144
 145   componentWillUnmount() {
 146     this.subscription.unsubscribe();
 147   }
 148
 149   render() {
 150     return (
 151       <div>
 152         <form onSubmit={linkEvent(this, this.handlePostSubmit)}>
 153           <div class="form-group row">
 154             <label class="col-sm-2 col-form-label">
 155               <T i18nKey="url">#</T>
 156             </label>
 157             <div class="col-sm-10">
 158               <input
 159                 type="url"
 160                 class="form-control"
 161                 value={this.state.postForm.url}
 162                 onInput={linkEvent(this, this.handlePostUrlChange)}
 163               />
 164               {this.state.suggestedTitle && (
 165                 <div
 166                   class="mt-1 text-muted small font-weight-bold pointer"
 167                   onClick={linkEvent(this, this.copySuggestedTitle)}
 168                 >
 169                   <T
 170                     i18nKey="copy_suggested_title"
 171                     interpolation={{ title: this.state.suggestedTitle }}
 172                   >
 173                     #
 174                   </T>
 175                 </div>
 176               )}
 177               <form>
 178                 <label
 179                   htmlFor="file-upload"
 180                   className={`${UserService.Instance.user &&
 181                     'pointer'} d-inline-block mr-2 float-right text-muted small font-weight-bold`}
 182                 >
 183                   <T i18nKey="upload_image">#</T>
 184                 </label>
 185                 <input
 186                   id="file-upload"
 187                   type="file"
 188                   accept="image/*,video/*"
 189                   name="file"
 190                   class="d-none"
 191                   disabled={!UserService.Instance.user}
 192                   onChange={linkEvent(this, this.handleImageUpload)}
 193                 />
 194               </form>
 195               {validURL(this.state.postForm.url) && (
 196                 <a
 197                   href={`${archiveUrl}/?run=1&url=${encodeURIComponent(
 198                     this.state.postForm.url
 199                   )}`}
 200                   target="_blank"
 201                   class="mr-2 d-inline-block float-right text-muted small font-weight-bold"
 202                 >
 203                   <T i18nKey="archive_link">#</T>
 204                 </a>
 205               )}
 206               {this.state.imageLoading && (
 207                 <svg class="icon icon-spinner spin">
 208                   <use xlinkHref="#icon-spinner"></use>
 209                 </svg>
 210               )}
 211               {isImage(this.state.postForm.url) && (
 212                 <img src={this.state.postForm.url} class="img-fluid" />
 213               )}
 214               {this.state.crossPosts.length > 0 && (
 215                 <>
 216                   <div class="my-1 text-muted small font-weight-bold">
 217                     <T i18nKey="cross_posts">#</T>
 218                   </div>
 219                   <PostListings showCommunity posts={this.state.crossPosts} />
 220                 </>
 221               )}
 222             </div>
 223           </div>
 224           <div class="form-group row">
 225             <label class="col-sm-2 col-form-label">
 226               <T i18nKey="title">#</T>
 227             </label>
 228             <div class="col-sm-10">
 229               <textarea
 230                 value={this.state.postForm.name}
 231                 onInput={linkEvent(this, this.handlePostNameChange)}
 232                 class="form-control"
 233                 required
 234                 rows={2}
 235                 minLength={3}
 236                 maxLength={100}
 237               />
 238               {this.state.suggestedPosts.length > 0 && (
 239                 <>
 240                   <div class="my-1 text-muted small font-weight-bold">
 241                     <T i18nKey="related_posts">#</T>
 242                   </div>
 243                   <PostListings posts={this.state.suggestedPosts} />
 244                 </>
 245               )}
 246             </div>
 247           </div>
 248           <div class="form-group row">
 249             <label class="col-sm-2 col-form-label">
 250               <T i18nKey="body">#</T>
 251             </label>
 252             <div class="col-sm-10">
 253               <textarea
 254                 id={this.id}
 255                 value={this.state.postForm.body}
 256                 onInput={linkEvent(this, this.handlePostBodyChange)}
 257                 className={`form-control ${this.state.previewMode && 'd-none'}`}
 258                 rows={4}
 259                 maxLength={10000}
 260               />
 261               {this.state.previewMode && (
 262                 <div
 263                   className="md-div"
 264                   dangerouslySetInnerHTML={mdToHtml(this.state.postForm.body)}
 265                 />
 266               )}
 267               {this.state.postForm.body && (
 268                 <button
 269                   className={`mt-1 mr-2 btn btn-sm btn-secondary ${this.state
 270                     .previewMode && 'active'}`}
 271                   onClick={linkEvent(this, this.handlePreviewToggle)}
 272                 >
 273                   <T i18nKey="preview">#</T>
 274                 </button>
 275               )}
 276               <a
 277                 href={markdownHelpUrl}
 278                 target="_blank"
 279                 class="d-inline-block float-right text-muted small font-weight-bold"
 280               >
 281                 <T i18nKey="formatting_help">#</T>
 282               </a>
 283             </div>
 284           </div>
 285           {!this.props.post && (
 286             <div class="form-group row">
 287               <label class="col-sm-2 col-form-label">
 288                 <T i18nKey="community">#</T>
 289               </label>
 290               <div class="col-sm-10">
 291                 <select
 292                   class="form-control"
 293                   value={this.state.postForm.community_id}
 294                   onInput={linkEvent(this, this.handlePostCommunityChange)}
 295                 >
 296                   {this.state.communities.map(community => (
 297                     <option value={community.id}>{community.name}</option>
 298                   ))}
 299                 </select>
 300               </div>
 301             </div>
 302           )}
 303           {this.state.enable_nsfw && (
 304             <div class="form-group row">
 305               <div class="col-sm-10">
 306                 <div class="form-check">
 307                   <input
 308                     class="form-check-input"
 309                     type="checkbox"
 310                     checked={this.state.postForm.nsfw}
 311                     onChange={linkEvent(this, this.handlePostNsfwChange)}
 312                   />
 313                   <label class="form-check-label">
 314                     <T i18nKey="nsfw">#</T>
 315                   </label>
 316                 </div>
 317               </div>
 318             </div>
 319           )}
 320           <div class="form-group row">
 321             <div class="col-sm-10">
 322               <button type="submit" class="btn btn-secondary mr-2">
 323                 {this.state.loading ? (
 324                   <svg class="icon icon-spinner spin">
 325                     <use xlinkHref="#icon-spinner"></use>
 326                   </svg>
 327                 ) : this.props.post ? (
 328                   capitalizeFirstLetter(i18n.t('save'))
 329                 ) : (
 330                   capitalizeFirstLetter(i18n.t('create'))
 331                 )}
 332               </button>
 333               {this.props.post && (
 334                 <button
 335                   type="button"
 336                   class="btn btn-secondary"
 337                   onClick={linkEvent(this, this.handleCancel)}
 338                 >
 339                   <T i18nKey="cancel">#</T>
 340                 </button>
 341               )}
 342             </div>
 343           </div>
 344         </form>
 345       </div>
 346     );
 347   }
 348
 349   handlePostSubmit(i: PostForm, event: any) {
 350     event.preventDefault();
 351     if (i.props.post) {
 352       WebSocketService.Instance.editPost(i.state.postForm);
 353     } else {
 354       WebSocketService.Instance.createPost(i.state.postForm);
 355     }
 356     i.state.loading = true;
 357     i.setState(i.state);
 358   }
 359
 360   copySuggestedTitle(i: PostForm) {
 361     i.state.postForm.name = i.state.suggestedTitle;
 362     i.state.suggestedTitle = undefined;
 363     i.setState(i.state);
 364   }
 365
 366   handlePostUrlChange(i: PostForm, event: any) {
 367     i.state.postForm.url = event.target.value;
 368     i.setState(i.state);
 369     i.fetchPageTitle();
 370   }
 371
 372   fetchPageTitle() {
 373     if (validURL(this.state.postForm.url)) {
 374       let form: SearchForm = {
 375         q: this.state.postForm.url,
 376         type_: SearchType[SearchType.Url],
 377         sort: SortType[SortType.TopAll],
 378         page: 1,
 379         limit: 6,
 380       };
 381
 382       WebSocketService.Instance.search(form);
 383
 384       // Fetch the page title
 385       getPageTitle(this.state.postForm.url).then(d => {
 386         this.state.suggestedTitle = d;
 387         this.setState(this.state);
 388       });
 389     } else {
 390       this.state.suggestedTitle = undefined;
 391       this.state.crossPosts = [];
 392     }
 393   }
 394
 395   handlePostNameChange(i: PostForm, event: any) {
 396     i.state.postForm.name = event.target.value;
 397     i.setState(i.state);
 398     i.fetchSimilarPosts();
 399   }
 400
 401   fetchSimilarPosts() {
 402     let form: SearchForm = {
 403       q: this.state.postForm.name,
 404       type_: SearchType[SearchType.Posts],
 405       sort: SortType[SortType.TopAll],
 406       community_id: this.state.postForm.community_id,
 407       page: 1,
 408       limit: 6,
 409     };
 410
 411     if (this.state.postForm.name !== '') {
 412       WebSocketService.Instance.search(form);
 413     } else {
 414       this.state.suggestedPosts = [];
 415     }
 416
 417     this.setState(this.state);
 418   }
 419
 420   handlePostBodyChange(i: PostForm, event: any) {
 421     i.state.postForm.body = event.target.value;
 422     i.setState(i.state);
 423   }
 424
 425   handlePostCommunityChange(i: PostForm, event: any) {
 426     i.state.postForm.community_id = Number(event.target.value);
 427     i.setState(i.state);
 428   }
 429
 430   handlePostNsfwChange(i: PostForm, event: any) {
 431     i.state.postForm.nsfw = event.target.checked;
 432     i.setState(i.state);
 433   }
 434
 435   handleCancel(i: PostForm) {
 436     i.props.onCancel();
 437   }
 438
 439   handlePreviewToggle(i: PostForm, event: any) {
 440     event.preventDefault();
 441     i.state.previewMode = !i.state.previewMode;
 442     i.setState(i.state);
 443   }
 444
 445   handleImageUpload(i: PostForm, event: any) {
 446     event.preventDefault();
 447     let file = event.target.files[0];
 448     const imageUploadUrl = `/pictshare/api/upload.php`;
 449     const formData = new FormData();
 450     formData.append('file', file);
 451
 452     i.state.imageLoading = true;
 453     i.setState(i.state);
 454
 455     fetch(imageUploadUrl, {
 456       method: 'POST',
 457       body: formData,
 458     })
 459       .then(res => res.json())
 460       .then(res => {
 461         let url = `${window.location.origin}/pictshare/${res.url}`;
 462         if (res.filetype == 'mp4') {
 463           url += '/raw';
 464         }
 465         i.state.postForm.url = url;
 466         i.state.imageLoading = false;
 467         i.setState(i.state);
 468       })
 469       .catch(error => {
 470         i.state.imageLoading = false;
 471         i.setState(i.state);
 472         toast(error, 'danger');
 473       });
 474   }
 475
 476   parseMessage(msg: WebSocketJsonResponse) {
 477     let res = wsJsonToRes(msg);
 478     if (msg.error) {
 479       toast(i18n.t(msg.error), 'danger');
 480       this.state.loading = false;
 481       this.setState(this.state);
 482       return;
 483     } else if (res.op == UserOperation.ListCommunities) {
 484       let data = res.data as ListCommunitiesResponse;
 485       this.state.communities = data.communities;
 486       if (this.props.post) {
 487         this.state.postForm.community_id = this.props.post.community_id;
 488       } else if (this.props.params && this.props.params.community) {
 489         let foundCommunityId = data.communities.find(
 490           r => r.name == this.props.params.community
 491         ).id;
 492         this.state.postForm.community_id = foundCommunityId;
 493       } else {
 494         this.state.postForm.community_id = data.communities[0].id;
 495       }
 496       this.setState(this.state);
 497     } else if (res.op == UserOperation.CreatePost) {
 498       let data = res.data as PostResponse;
 499       this.state.loading = false;
 500       this.props.onCreate(data.post.id);
 501     } else if (res.op == UserOperation.EditPost) {
 502       let data = res.data as PostResponse;
 503       this.state.loading = false;
 504       this.props.onEdit(data.post);
 505     } else if (res.op == UserOperation.Search) {
 506       let data = res.data as SearchResponse;
 507
 508       if (data.type_ == SearchType[SearchType.Posts]) {
 509         this.state.suggestedPosts = data.posts;
 510       } else if (data.type_ == SearchType[SearchType.Url]) {
 511         this.state.crossPosts = data.posts;
 512       }
 513       this.setState(this.state);
 514     } else if (res.op == UserOperation.GetSite) {
 515       let data = res.data as GetSiteResponse;
 516       this.state.enable_nsfw = data.site.enable_nsfw;
 517       this.setState(this.state);
 518     }
 519   }
 520 }