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" for="post-url">
 155               { i18n.t('url') }
 156             </label>
 157             <div class="col-sm-10">
 158               <input
 159                 type="url"
 160                 id="post-url"
 161                 class="form-control"
 162                 value={this.state.postForm.url}
 163                 onInput={linkEvent(this, this.handlePostUrlChange)}
 164                 onPaste={linkEvent(this, this.handleImageUploadPaste)}
 165               />
 166               {this.state.suggestedTitle && (
 167                 <div
 168                   class="mt-1 text-muted small font-weight-bold pointer"
 169                   onClick={linkEvent(this, this.copySuggestedTitle)}
 170                 >
 171                   <T
 172                     i18nKey="copy_suggested_title"
 173                     interpolation={{ title: this.state.suggestedTitle }}
 174                   >
 175                     #
 176                   </T>
 177                 </div>
 178               )}
 179               <form>
 180                 <label
 181                   htmlFor="file-upload"
 182                   className={`${UserService.Instance.user &&
 183                     'pointer'} d-inline-block mr-2 float-right text-muted small font-weight-bold`}
 184                 >
 185                   { i18n.t('upload_image') }
 186                 </label>
 187                 <input
 188                   id="file-upload"
 189                   type="file"
 190                   accept="image/*,video/*"
 191                   name="file"
 192                   class="d-none"
 193                   disabled={!UserService.Instance.user}
 194                   onChange={linkEvent(this, this.handleImageUpload)}
 195                 />
 196               </form>
 197               {validURL(this.state.postForm.url) && (
 198                 <a
 199                   href={`${archiveUrl}/?run=1&url=${encodeURIComponent(
 200                     this.state.postForm.url
 201                   )}`}
 202                   target="_blank"
 203                   class="mr-2 d-inline-block float-right text-muted small font-weight-bold"
 204                 >
 205                   { i18n.t('archive_link') }
 206                 </a>
 207               )}
 208               {this.state.imageLoading && (
 209                 <svg class="icon icon-spinner spin">
 210                   <use xlinkHref="#icon-spinner"></use>
 211                 </svg>
 212               )}
 213               {isImage(this.state.postForm.url) && (
 214                 <img src={this.state.postForm.url} class="img-fluid" />
 215               )}
 216               {this.state.crossPosts.length > 0 && (
 217                 <>
 218                   <div class="my-1 text-muted small font-weight-bold">
 219                     { i18n.t('cross_posts') }
 220                   </div>
 221                   <PostListings showCommunity posts={this.state.crossPosts} />
 222                 </>
 223               )}
 224             </div>
 225           </div>
 226           <div class="form-group row">
 227             <label class="col-sm-2 col-form-label" for="post-title">
 228               { i18n.t('title') }
 229             </label>
 230             <div class="col-sm-10">
 231               <textarea
 232                 value={this.state.postForm.name}
 233                 id="post-title"
 234                 onInput={linkEvent(this, this.handlePostNameChange)}
 235                 class="form-control"
 236                 required
 237                 rows={2}
 238                 minLength={3}
 239                 maxLength={100}
 240               />
 241               {this.state.suggestedPosts.length > 0 && (
 242                 <>
 243                   <div class="my-1 text-muted small font-weight-bold">
 244                     { i18n.t('related_posts') }
 245                   </div>
 246                   <PostListings posts={this.state.suggestedPosts} />
 247                 </>
 248               )}
 249             </div>
 250           </div>
 251
 252           <div class="form-group row">
 253             <label class="col-sm-2 col-form-label" for="post-body">
 254               { i18n.t('body') }
 255             </label>
 256             <div class="col-sm-10">
 257               <textarea
 258                 id={this.id}
 259                 value={this.state.postForm.body}
 260                 id="post-body"
 261                 onInput={linkEvent(this, this.handlePostBodyChange)}
 262                 className={`form-control ${this.state.previewMode && 'd-none'}`}
 263                 rows={4}
 264                 maxLength={10000}
 265               />
 266               {this.state.previewMode && (
 267                 <div
 268                   className="md-div"
 269                   dangerouslySetInnerHTML={mdToHtml(this.state.postForm.body)}
 270                 />
 271               )}
 272               {this.state.postForm.body && (
 273                 <button
 274                   className={`mt-1 mr-2 btn btn-sm btn-secondary ${this.state
 275                     .previewMode && 'active'}`}
 276                   onClick={linkEvent(this, this.handlePreviewToggle)}
 277                 >
 278                   { i18n.t('preview') }
 279                 </button>
 280               )}
 281               <a
 282                 href={markdownHelpUrl}
 283                 target="_blank"
 284                 class="d-inline-block float-right text-muted small font-weight-bold"
 285               >
 286                 { i18n.t('formatting_help') }
 287               </a>
 288             </div>
 289           </div>
 290           {!this.props.post && (
 291             <div class="form-group row">
 292               <label class="col-sm-2 col-form-label" for="post-community">
 293                 { i18n.t('community') }
 294               </label>
 295               <div class="col-sm-10">
 296                 <select
 297                   class="form-control"
 298                   id="post-community"
 299                   value={this.state.postForm.community_id}
 300                   onInput={linkEvent(this, this.handlePostCommunityChange)}
 301                 >
 302                   {this.state.communities.map(community => (
 303                     <option value={community.id}>{community.name}</option>
 304                   ))}
 305                 </select>
 306               </div>
 307             </div>
 308           )}
 309           {this.state.enable_nsfw && (
 310             <div class="form-group row">
 311               <div class="col-sm-10">
 312                 <div class="form-check">
 313                   <input
 314                     class="form-check-input"
 315                     id="post-nsfw"
 316                     type="checkbox"
 317                     checked={this.state.postForm.nsfw}
 318                     onChange={linkEvent(this, this.handlePostNsfwChange)}
 319                   />
 320                   <label class="form-check-label" for="post-nsfw">
 321                     { i18n.t('nsfw') }
 322                   </label>
 323                 </div>
 324               </div>
 325             </div>
 326           )}
 327           <div class="form-group row">
 328             <div class="col-sm-10">
 329               <button type="submit" class="btn btn-secondary mr-2">
 330                 {this.state.loading ? (
 331                   <svg class="icon icon-spinner spin">
 332                     <use xlinkHref="#icon-spinner"></use>
 333                   </svg>
 334                 ) : this.props.post ? (
 335                   capitalizeFirstLetter(i18n.t('save'))
 336                 ) : (
 337                   capitalizeFirstLetter(i18n.t('create'))
 338                 )}
 339               </button>
 340               {this.props.post && (
 341                 <button
 342                   type="button"
 343                   class="btn btn-secondary"
 344                   onClick={linkEvent(this, this.handleCancel)}
 345                 >
 346                   { i18n.t('cancel') }
 347                 </button>
 348               )}
 349             </div>
 350           </div>
 351         </form>
 352       </div>
 353     );
 354   }
 355
 356   handlePostSubmit(i: PostForm, event: any) {
 357     event.preventDefault();
 358     if (i.props.post) {
 359       WebSocketService.Instance.editPost(i.state.postForm);
 360     } else {
 361       WebSocketService.Instance.createPost(i.state.postForm);
 362     }
 363     i.state.loading = true;
 364     i.setState(i.state);
 365   }
 366
 367   copySuggestedTitle(i: PostForm) {
 368     i.state.postForm.name = i.state.suggestedTitle;
 369     i.state.suggestedTitle = undefined;
 370     i.setState(i.state);
 371   }
 372
 373   handlePostUrlChange(i: PostForm, event: any) {
 374     i.state.postForm.url = event.target.value;
 375     i.setState(i.state);
 376     i.fetchPageTitle();
 377   }
 378
 379   fetchPageTitle() {
 380     if (validURL(this.state.postForm.url)) {
 381       let form: SearchForm = {
 382         q: this.state.postForm.url,
 383         type_: SearchType[SearchType.Url],
 384         sort: SortType[SortType.TopAll],
 385         page: 1,
 386         limit: 6,
 387       };
 388
 389       WebSocketService.Instance.search(form);
 390
 391       // Fetch the page title
 392       getPageTitle(this.state.postForm.url).then(d => {
 393         this.state.suggestedTitle = d;
 394         this.setState(this.state);
 395       });
 396     } else {
 397       this.state.suggestedTitle = undefined;
 398       this.state.crossPosts = [];
 399     }
 400   }
 401
 402   handlePostNameChange(i: PostForm, event: any) {
 403     i.state.postForm.name = event.target.value;
 404     i.setState(i.state);
 405     i.fetchSimilarPosts();
 406   }
 407
 408   fetchSimilarPosts() {
 409     let form: SearchForm = {
 410       q: this.state.postForm.name,
 411       type_: SearchType[SearchType.Posts],
 412       sort: SortType[SortType.TopAll],
 413       community_id: this.state.postForm.community_id,
 414       page: 1,
 415       limit: 6,
 416     };
 417
 418     if (this.state.postForm.name !== '') {
 419       WebSocketService.Instance.search(form);
 420     } else {
 421       this.state.suggestedPosts = [];
 422     }
 423
 424     this.setState(this.state);
 425   }
 426
 427   handlePostBodyChange(i: PostForm, event: any) {
 428     i.state.postForm.body = event.target.value;
 429     i.setState(i.state);
 430   }
 431
 432   handlePostCommunityChange(i: PostForm, event: any) {
 433     i.state.postForm.community_id = Number(event.target.value);
 434     i.setState(i.state);
 435   }
 436
 437   handlePostNsfwChange(i: PostForm, event: any) {
 438     i.state.postForm.nsfw = event.target.checked;
 439     i.setState(i.state);
 440   }
 441
 442   handleCancel(i: PostForm) {
 443     i.props.onCancel();
 444   }
 445
 446   handlePreviewToggle(i: PostForm, event: any) {
 447     event.preventDefault();
 448     i.state.previewMode = !i.state.previewMode;
 449     i.setState(i.state);
 450   }
 451
 452   handleImageUploadPaste(i: PostForm, event: any) {
 453     let image = event.clipboardData.files[0];
 454     if (image) {
 455       i.handleImageUpload(i, image);
 456     }
 457   }
 458
 459   handleImageUpload(i: PostForm, event: any) {
 460     let file: any;
 461     if (event.target) {
 462       event.preventDefault();
 463       file = event.target.files[0];
 464     } else {
 465       file = event;
 466     }
 467
 468     const imageUploadUrl = `/pictshare/api/upload.php`;
 469     const formData = new FormData();
 470     formData.append('file', file);
 471
 472     i.state.imageLoading = true;
 473     i.setState(i.state);
 474
 475     fetch(imageUploadUrl, {
 476       method: 'POST',
 477       body: formData,
 478     })
 479       .then(res => res.json())
 480       .then(res => {
 481         let url = `${window.location.origin}/pictshare/${res.url}`;
 482         if (res.filetype == 'mp4') {
 483           url += '/raw';
 484         }
 485         i.state.postForm.url = url;
 486         i.state.imageLoading = false;
 487         i.setState(i.state);
 488       })
 489       .catch(error => {
 490         i.state.imageLoading = false;
 491         i.setState(i.state);
 492         toast(error, 'danger');
 493       });
 494   }
 495
 496   parseMessage(msg: WebSocketJsonResponse) {
 497     let res = wsJsonToRes(msg);
 498     if (msg.error) {
 499       toast(i18n.t(msg.error), 'danger');
 500       this.state.loading = false;
 501       this.setState(this.state);
 502       return;
 503     } else if (res.op == UserOperation.ListCommunities) {
 504       let data = res.data as ListCommunitiesResponse;
 505       this.state.communities = data.communities;
 506       if (this.props.post) {
 507         this.state.postForm.community_id = this.props.post.community_id;
 508       } else if (this.props.params && this.props.params.community) {
 509         let foundCommunityId = data.communities.find(
 510           r => r.name == this.props.params.community
 511         ).id;
 512         this.state.postForm.community_id = foundCommunityId;
 513       } else {
 514         this.state.postForm.community_id = data.communities[0].id;
 515       }
 516       this.setState(this.state);
 517     } else if (res.op == UserOperation.CreatePost) {
 518       let data = res.data as PostResponse;
 519       this.state.loading = false;
 520       this.props.onCreate(data.post.id);
 521     } else if (res.op == UserOperation.EditPost) {
 522       let data = res.data as PostResponse;
 523       this.state.loading = false;
 524       this.props.onEdit(data.post);
 525     } else if (res.op == UserOperation.Search) {
 526       let data = res.data as SearchResponse;
 527
 528       if (data.type_ == SearchType[SearchType.Posts]) {
 529         this.state.suggestedPosts = data.posts;
 530       } else if (data.type_ == SearchType[SearchType.Url]) {
 531         this.state.crossPosts = data.posts;
 532       }
 533       this.setState(this.state);
 534     } else if (res.op == UserOperation.GetSite) {
 535       let data = res.data as GetSiteResponse;
 536       this.state.enable_nsfw = data.site.enable_nsfw;
 537       this.setState(this.state);
 538     }
 539   }
 540 }