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