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