ui/src/components/post-form.tsx

   1 import { Component, linkEvent } from 'inferno';
   2 import { Prompt } from 'inferno-router';
   3 import { PostListings } from './post-listings';
   4 import { Subscription } from 'rxjs';
   5 import { retryWhen, delay, take } from 'rxjs/operators';
   6 import {
   7   PostForm as PostFormI,
   8   PostFormParams,
   9   Post,
  10   PostResponse,
  11   UserOperation,
  12   Community,
  13   ListCommunitiesResponse,
  14   ListCommunitiesForm,
  15   SortType,
  16   SearchForm,
  17   SearchType,
  18   SearchResponse,
  19   GetSiteResponse,
  20   WebSocketJsonResponse,
  21 } from '../interfaces';
  22 import { WebSocketService, UserService } from '../services';
  23 import {
  24   wsJsonToRes,
  25   getPageTitle,
  26   validURL,
  27   capitalizeFirstLetter,
  28   markdownHelpUrl,
  29   archiveUrl,
  30   mdToHtml,
  31   debounce,
  32   isImage,
  33   toast,
  34   randomStr,
  35   setupTribute,
  36   setupTippy,
  37   emojiPicker,
  38   hostname,
  39 } from '../utils';
  40 import autosize from 'autosize';
  41 import Tribute from 'tributejs/src/Tribute.js';
  42 import emojiShortName from 'emoji-short-name';
  43 import Selectr from 'mobius1-selectr';
  44 import { i18n } from '../i18next';
  45
  46 const MAX_POST_TITLE_LENGTH = 200;
  47
  48 interface PostFormProps {
  49   post?: Post; // If a post is given, that means this is an edit
  50   params?: PostFormParams;
  51   onCancel?(): any;
  52   onCreate?(id: number): any;
  53   onEdit?(post: Post): any;
  54 }
  55
  56 interface PostFormState {
  57   postForm: PostFormI;
  58   communities: Array<Community>;
  59   loading: boolean;
  60   imageLoading: boolean;
  61   previewMode: boolean;
  62   suggestedTitle: string;
  63   suggestedPosts: Array<Post>;
  64   crossPosts: Array<Post>;
  65   enable_nsfw: boolean;
  66 }
  67
  68 export class PostForm extends Component<PostFormProps, PostFormState> {
  69   private id = `post-form-${randomStr()}`;
  70   private tribute: Tribute;
  71   private subscription: Subscription;
  72   private emptyState: PostFormState = {
  73     postForm: {
  74       name: null,
  75       nsfw: false,
  76       auth: null,
  77       community_id: null,
  78       creator_id: UserService.Instance.user
  79         ? UserService.Instance.user.id
  80         : null,
  81     },
  82     communities: [],
  83     loading: false,
  84     imageLoading: false,
  85     previewMode: false,
  86     suggestedTitle: undefined,
  87     suggestedPosts: [],
  88     crossPosts: [],
  89     enable_nsfw: undefined,
  90   };
  91
  92   constructor(props: any, context: any) {
  93     super(props, context);
  94     this.fetchSimilarPosts = debounce(this.fetchSimilarPosts).bind(this);
  95     this.fetchPageTitle = debounce(this.fetchPageTitle).bind(this);
  96
  97     this.tribute = setupTribute();
  98     this.setupEmojiPicker();
  99
 100     this.state = this.emptyState;
 101
 102     if (this.props.post) {
 103       this.state.postForm = {
 104         body: this.props.post.body,
 105         // NOTE: debouncing breaks both these for some reason, unless you use defaultValue
 106         name: this.props.post.name,
 107         community_id: this.props.post.community_id,
 108         edit_id: this.props.post.id,
 109         creator_id: this.props.post.creator_id,
 110         url: this.props.post.url,
 111         nsfw: this.props.post.nsfw,
 112         auth: null,
 113       };
 114     }
 115
 116     if (this.props.params) {
 117       this.state.postForm.name = this.props.params.name;
 118       if (this.props.params.url) {
 119         this.state.postForm.url = this.props.params.url;
 120       }
 121       if (this.props.params.body) {
 122         this.state.postForm.body = this.props.params.body;
 123       }
 124     }
 125
 126     this.subscription = WebSocketService.Instance.subject
 127       .pipe(retryWhen(errors => errors.pipe(delay(3000), take(10))))
 128       .subscribe(
 129         msg => this.parseMessage(msg),
 130         err => console.error(err),
 131         () => console.log('complete')
 132       );
 133
 134     let listCommunitiesForm: ListCommunitiesForm = {
 135       sort: SortType[SortType.TopAll],
 136       limit: 9999,
 137     };
 138
 139     WebSocketService.Instance.listCommunities(listCommunitiesForm);
 140     WebSocketService.Instance.getSite();
 141   }
 142
 143   componentDidMount() {
 144     var textarea: any = document.getElementById(this.id);
 145     autosize(textarea);
 146     this.tribute.attach(textarea);
 147     textarea.addEventListener('tribute-replaced', () => {
 148       this.state.postForm.body = textarea.value;
 149       this.setState(this.state);
 150       autosize.update(textarea);
 151     });
 152     setupTippy();
 153   }
 154
 155   componentWillUnmount() {
 156     this.subscription.unsubscribe();
 157   }
 158
 159   render() {
 160     return (
 161       <div>
 162         <Prompt
 163           when={
 164             !this.state.loading &&
 165             (this.state.postForm.name ||
 166               this.state.postForm.url ||
 167               this.state.postForm.body)
 168           }
 169           message={i18n.t('block_leaving')}
 170         />
 171         <form onSubmit={linkEvent(this, this.handlePostSubmit)}>
 172           <div class="form-group row">
 173             <label class="col-sm-2 col-form-label" htmlFor="post-url">
 174               {i18n.t('url')}
 175             </label>
 176             <div class="col-sm-10">
 177               <input
 178                 type="url"
 179                 id="post-url"
 180                 class="form-control"
 181                 value={this.state.postForm.url}
 182                 onInput={linkEvent(this, this.handlePostUrlChange)}
 183                 onPaste={linkEvent(this, this.handleImageUploadPaste)}
 184               />
 185               {this.state.suggestedTitle && (
 186                 <div
 187                   class="mt-1 text-muted small font-weight-bold pointer"
 188                   onClick={linkEvent(this, this.copySuggestedTitle)}
 189                 >
 190                   {i18n.t('copy_suggested_title', {
 191                     title: this.state.suggestedTitle,
 192                   })}
 193                 </div>
 194               )}
 195               <form>
 196                 <label
 197                   htmlFor="file-upload"
 198                   className={`${
 199                     UserService.Instance.user && 'pointer'
 200                   } d-inline-block float-right text-muted font-weight-bold`}
 201                   data-tippy-content={i18n.t('upload_image')}
 202                 >
 203                   <svg class="icon icon-inline">
 204                     <use xlinkHref="#icon-image"></use>
 205                   </svg>
 206                 </label>
 207                 <input
 208                   id="file-upload"
 209                   type="file"
 210                   accept="image/*,video/*"
 211                   name="file"
 212                   class="d-none"
 213                   disabled={!UserService.Instance.user}
 214                   onChange={linkEvent(this, this.handleImageUpload)}
 215                 />
 216               </form>
 217               {validURL(this.state.postForm.url) && (
 218                 <a
 219                   href={`${archiveUrl}/?run=1&url=${encodeURIComponent(
 220                     this.state.postForm.url
 221                   )}`}
 222                   target="_blank"
 223                   class="mr-2 d-inline-block float-right text-muted small font-weight-bold"
 224                 >
 225                   {i18n.t('archive_link')}
 226                 </a>
 227               )}
 228               {this.state.imageLoading && (
 229                 <svg class="icon icon-spinner spin">
 230                   <use xlinkHref="#icon-spinner"></use>
 231                 </svg>
 232               )}
 233               {isImage(this.state.postForm.url) && (
 234                 <img src={this.state.postForm.url} class="img-fluid" />
 235               )}
 236               {this.state.crossPosts.length > 0 && (
 237                 <>
 238                   <div class="my-1 text-muted small font-weight-bold">
 239                     {i18n.t('cross_posts')}
 240                   </div>
 241                   <PostListings showCommunity posts={this.state.crossPosts} />
 242                 </>
 243               )}
 244             </div>
 245           </div>
 246           <div class="form-group row">
 247             <label class="col-sm-2 col-form-label" htmlFor="post-title">
 248               {i18n.t('title')}
 249             </label>
 250             <div class="col-sm-10">
 251               <textarea
 252                 value={this.state.postForm.name}
 253                 id="post-title"
 254                 onInput={linkEvent(this, this.handlePostNameChange)}
 255                 class="form-control"
 256                 required
 257                 rows={2}
 258                 minLength={3}
 259                 maxLength={MAX_POST_TITLE_LENGTH}
 260               />
 261               {this.state.suggestedPosts.length > 0 && (
 262                 <>
 263                   <div class="my-1 text-muted small font-weight-bold">
 264                     {i18n.t('related_posts')}
 265                   </div>
 266                   <PostListings posts={this.state.suggestedPosts} />
 267                 </>
 268               )}
 269             </div>
 270           </div>
 271
 272           <div class="form-group row">
 273             <label class="col-sm-2 col-form-label" htmlFor={this.id}>
 274               {i18n.t('body')}
 275             </label>
 276             <div class="col-sm-10">
 277               <textarea
 278                 id={this.id}
 279                 value={this.state.postForm.body}
 280                 onInput={linkEvent(this, this.handlePostBodyChange)}
 281                 className={`form-control ${this.state.previewMode && 'd-none'}`}
 282                 rows={4}
 283                 maxLength={10000}
 284               />
 285               {this.state.previewMode && (
 286                 <div
 287                   className="md-div"
 288                   dangerouslySetInnerHTML={mdToHtml(this.state.postForm.body)}
 289                 />
 290               )}
 291               {this.state.postForm.body && (
 292                 <button
 293                   className={`mt-1 mr-2 btn btn-sm btn-secondary ${
 294                     this.state.previewMode && 'active'
 295                   }`}
 296                   onClick={linkEvent(this, this.handlePreviewToggle)}
 297                 >
 298                   {i18n.t('preview')}
 299                 </button>
 300               )}
 301               <a
 302                 href={markdownHelpUrl}
 303                 target="_blank"
 304                 class="d-inline-block float-right text-muted font-weight-bold"
 305                 title={i18n.t('formatting_help')}
 306               >
 307                 <svg class="icon icon-inline">
 308                   <use xlinkHref="#icon-help-circle"></use>
 309                 </svg>
 310               </a>
 311               <span
 312                 onClick={linkEvent(this, this.handleEmojiPickerClick)}
 313                 class="pointer unselectable d-inline-block mr-3 float-right text-muted font-weight-bold"
 314                 data-tippy-content={i18n.t('emoji_picker')}
 315               >
 316                 <svg class="icon icon-inline">
 317                   <use xlinkHref="#icon-smile"></use>
 318                 </svg>
 319               </span>
 320             </div>
 321           </div>
 322           {!this.props.post && (
 323             <div class="form-group row">
 324               <label class="col-sm-2 col-form-label" htmlFor="post-community">
 325                 {i18n.t('community')}
 326               </label>
 327               <div class="col-sm-10">
 328                 <select
 329                   class="form-control"
 330                   id="post-community"
 331                   value={this.state.postForm.community_id}
 332                   onInput={linkEvent(this, this.handlePostCommunityChange)}
 333                 >
 334                   <option>{i18n.t('select_a_community')}</option>
 335                   {this.state.communities.map(community => (
 336                     <option value={community.id}>
 337                       {community.local
 338                         ? community.name
 339                         : `${hostname(community.actor_id)}/${community.name}`}
 340                     </option>
 341                   ))}
 342                 </select>
 343               </div>
 344             </div>
 345           )}
 346           {this.state.enable_nsfw && (
 347             <div class="form-group row">
 348               <div class="col-sm-10">
 349                 <div class="form-check">
 350                   <input
 351                     class="form-check-input"
 352                     id="post-nsfw"
 353                     type="checkbox"
 354                     checked={this.state.postForm.nsfw}
 355                     onChange={linkEvent(this, this.handlePostNsfwChange)}
 356                   />
 357                   <label class="form-check-label" htmlFor="post-nsfw">
 358                     {i18n.t('nsfw')}
 359                   </label>
 360                 </div>
 361               </div>
 362             </div>
 363           )}
 364           <div class="form-group row">
 365             <div class="col-sm-10">
 366               <button
 367                 disabled={!this.state.postForm.community_id}
 368                 type="submit"
 369                 class="btn btn-secondary mr-2"
 370               >
 371                 {this.state.loading ? (
 372                   <svg class="icon icon-spinner spin">
 373                     <use xlinkHref="#icon-spinner"></use>
 374                   </svg>
 375                 ) : this.props.post ? (
 376                   capitalizeFirstLetter(i18n.t('save'))
 377                 ) : (
 378                   capitalizeFirstLetter(i18n.t('create'))
 379                 )}
 380               </button>
 381               {this.props.post && (
 382                 <button
 383                   type="button"
 384                   class="btn btn-secondary"
 385                   onClick={linkEvent(this, this.handleCancel)}
 386                 >
 387                   {i18n.t('cancel')}
 388                 </button>
 389               )}
 390             </div>
 391           </div>
 392         </form>
 393       </div>
 394     );
 395   }
 396
 397   setupEmojiPicker() {
 398     emojiPicker.on('emoji', twemojiHtmlStr => {
 399       if (this.state.postForm.body == null) {
 400         this.state.postForm.body = '';
 401       }
 402       var el = document.createElement('div');
 403       el.innerHTML = twemojiHtmlStr;
 404       let nativeUnicode = (el.childNodes[0] as HTMLElement).getAttribute('alt');
 405       let shortName = `:${emojiShortName[nativeUnicode]}:`;
 406       this.state.postForm.body += shortName;
 407       this.setState(this.state);
 408     });
 409   }
 410
 411   handlePostSubmit(i: PostForm, event: any) {
 412     event.preventDefault();
 413     if (i.props.post) {
 414       WebSocketService.Instance.editPost(i.state.postForm);
 415     } else {
 416       WebSocketService.Instance.createPost(i.state.postForm);
 417     }
 418     i.state.loading = true;
 419     i.setState(i.state);
 420   }
 421
 422   copySuggestedTitle(i: PostForm) {
 423     i.state.postForm.name = i.state.suggestedTitle.substring(
 424       0,
 425       MAX_POST_TITLE_LENGTH
 426     );
 427     i.state.suggestedTitle = undefined;
 428     i.setState(i.state);
 429   }
 430
 431   handlePostUrlChange(i: PostForm, event: any) {
 432     i.state.postForm.url = event.target.value;
 433     i.setState(i.state);
 434     i.fetchPageTitle();
 435   }
 436
 437   fetchPageTitle() {
 438     if (validURL(this.state.postForm.url)) {
 439       let form: SearchForm = {
 440         q: this.state.postForm.url,
 441         type_: SearchType[SearchType.Url],
 442         sort: SortType[SortType.TopAll],
 443         page: 1,
 444         limit: 6,
 445       };
 446
 447       WebSocketService.Instance.search(form);
 448
 449       // Fetch the page title
 450       getPageTitle(this.state.postForm.url).then(d => {
 451         this.state.suggestedTitle = d;
 452         this.setState(this.state);
 453       });
 454     } else {
 455       this.state.suggestedTitle = undefined;
 456       this.state.crossPosts = [];
 457     }
 458   }
 459
 460   handlePostNameChange(i: PostForm, event: any) {
 461     i.state.postForm.name = event.target.value;
 462     i.setState(i.state);
 463     i.fetchSimilarPosts();
 464   }
 465
 466   fetchSimilarPosts() {
 467     let form: SearchForm = {
 468       q: this.state.postForm.name,
 469       type_: SearchType[SearchType.Posts],
 470       sort: SortType[SortType.TopAll],
 471       community_id: this.state.postForm.community_id,
 472       page: 1,
 473       limit: 6,
 474     };
 475
 476     if (this.state.postForm.name !== '') {
 477       WebSocketService.Instance.search(form);
 478     } else {
 479       this.state.suggestedPosts = [];
 480     }
 481
 482     this.setState(this.state);
 483   }
 484
 485   handlePostBodyChange(i: PostForm, event: any) {
 486     i.state.postForm.body = event.target.value;
 487     i.setState(i.state);
 488   }
 489
 490   handlePostCommunityChange(i: PostForm, event: any) {
 491     i.state.postForm.community_id = Number(event.target.value);
 492     i.setState(i.state);
 493   }
 494
 495   handlePostNsfwChange(i: PostForm, event: any) {
 496     i.state.postForm.nsfw = event.target.checked;
 497     i.setState(i.state);
 498   }
 499
 500   handleCancel(i: PostForm) {
 501     i.props.onCancel();
 502   }
 503
 504   handlePreviewToggle(i: PostForm, event: any) {
 505     event.preventDefault();
 506     i.state.previewMode = !i.state.previewMode;
 507     i.setState(i.state);
 508   }
 509
 510   handleImageUploadPaste(i: PostForm, event: any) {
 511     let image = event.clipboardData.files[0];
 512     if (image) {
 513       i.handleImageUpload(i, image);
 514     }
 515   }
 516
 517   handleImageUpload(i: PostForm, event: any) {
 518     let file: any;
 519     if (event.target) {
 520       event.preventDefault();
 521       file = event.target.files[0];
 522     } else {
 523       file = event;
 524     }
 525
 526     const imageUploadUrl = `/pictshare/api/upload.php`;
 527     const formData = new FormData();
 528     formData.append('file', file);
 529
 530     i.state.imageLoading = true;
 531     i.setState(i.state);
 532
 533     fetch(imageUploadUrl, {
 534       method: 'POST',
 535       body: formData,
 536     })
 537       .then(res => res.json())
 538       .then(res => {
 539         let url = `${window.location.origin}/pictshare/${encodeURI(res.url)}`;
 540         if (res.filetype == 'mp4') {
 541           url += '/raw';
 542         }
 543         i.state.postForm.url = url;
 544         i.state.imageLoading = false;
 545         i.setState(i.state);
 546       })
 547       .catch(error => {
 548         i.state.imageLoading = false;
 549         i.setState(i.state);
 550         toast(error, 'danger');
 551       });
 552   }
 553
 554   handleEmojiPickerClick(_i: PostForm, event: any) {
 555     emojiPicker.togglePicker(event.target);
 556   }
 557
 558   parseMessage(msg: WebSocketJsonResponse) {
 559     let res = wsJsonToRes(msg);
 560     if (msg.error) {
 561       toast(i18n.t(msg.error), 'danger');
 562       this.state.loading = false;
 563       this.setState(this.state);
 564       return;
 565     } else if (res.op == UserOperation.ListCommunities) {
 566       let data = res.data as ListCommunitiesResponse;
 567       this.state.communities = data.communities;
 568       if (this.props.post) {
 569         this.state.postForm.community_id = this.props.post.community_id;
 570       } else if (this.props.params && this.props.params.community) {
 571         let foundCommunityId = data.communities.find(
 572           r => r.name == this.props.params.community
 573         ).id;
 574         this.state.postForm.community_id = foundCommunityId;
 575       } else {
 576         // By default, the null valued 'Select a Community'
 577       }
 578       this.setState(this.state);
 579
 580       // Set up select searching
 581       let selectId: any = document.getElementById('post-community');
 582       if (selectId) {
 583         let selector = new Selectr(selectId, { nativeDropdown: false });
 584         selector.on('selectr.select', option => {
 585           this.state.postForm.community_id = Number(option.value);
 586           this.setState(this.state);
 587         });
 588       }
 589     } else if (res.op == UserOperation.CreatePost) {
 590       let data = res.data as PostResponse;
 591       if (data.post.creator_id == UserService.Instance.user.id) {
 592         this.state.loading = false;
 593         this.props.onCreate(data.post.id);
 594       }
 595     } else if (res.op == UserOperation.EditPost) {
 596       let data = res.data as PostResponse;
 597       if (data.post.creator_id == UserService.Instance.user.id) {
 598         this.state.loading = false;
 599         this.props.onEdit(data.post);
 600       }
 601     } else if (res.op == UserOperation.Search) {
 602       let data = res.data as SearchResponse;
 603
 604       if (data.type_ == SearchType[SearchType.Posts]) {
 605         this.state.suggestedPosts = data.posts;
 606       } else if (data.type_ == SearchType[SearchType.Url]) {
 607         this.state.crossPosts = data.posts;
 608       }
 609       this.setState(this.state);
 610     } else if (res.op == UserOperation.GetSite) {
 611       let data = res.data as GetSiteResponse;
 612       this.state.enable_nsfw = data.site.enable_nsfw;
 613       this.setState(this.state);
 614     }
 615   }
 616 }