src/shared/components/post/post-form.tsx

   1 import {
   2   communityToChoice,
   3   fetchCommunities,
   4   myAuth,
   5   myAuthRequired,
   6 } from "@utils/app";
   7 import getUserInterfaceLangId from "@utils/app/user-interface-language";
   8 import {
   9   capitalizeFirstLetter,
  10   debounce,
  11   getIdFromString,
  12   validTitle,
  13   validURL,
  14 } from "@utils/helpers";
  15 import { isImage } from "@utils/media";
  16 import { Choice } from "@utils/types";
  17 import autosize from "autosize";
  18 import { Component, InfernoNode, linkEvent } from "inferno";
  19 import {
  20   CommunityView,
  21   CreatePost,
  22   EditPost,
  23   GetSiteMetadataResponse,
  24   Language,
  25   PostView,
  26   SearchResponse,
  27 } from "lemmy-js-client";
  28 import {
  29   archiveTodayUrl,
  30   ghostArchiveUrl,
  31   relTags,
  32   trendingFetchLimit,
  33   webArchiveUrl,
  34 } from "../../config";
  35 import { PostFormParams } from "../../interfaces";
  36 import { I18NextService, UserService } from "../../services";
  37 import { HttpService, RequestState } from "../../services/HttpService";
  38 import { setupTippy } from "../../tippy";
  39 import { toast } from "../../toast";
  40 import { Icon, Spinner } from "../common/icon";
  41 import { LanguageSelect } from "../common/language-select";
  42 import { MarkdownTextArea } from "../common/markdown-textarea";
  43 import NavigationPrompt from "../common/navigation-prompt";
  44 import { SearchableSelect } from "../common/searchable-select";
  45 import { PostListings } from "./post-listings";
  46
  47 const MAX_POST_TITLE_LENGTH = 200;
  48
  49 interface PostFormProps {
  50   post_view?: PostView; // If a post is given, that means this is an edit
  51   crossPosts?: PostView[];
  52   allLanguages: Language[];
  53   siteLanguages: number[];
  54   params?: PostFormParams;
  55   onCancel?(): void;
  56   onCreate?(form: CreatePost): void;
  57   onEdit?(form: EditPost): void;
  58   enableNsfw?: boolean;
  59   enableDownvotes?: boolean;
  60   selectedCommunityChoice?: Choice;
  61   onSelectCommunity?: (choice: Choice) => void;
  62   initialCommunities?: CommunityView[];
  63 }
  64
  65 interface PostFormState {
  66   form: {
  67     name?: string;
  68     url?: string;
  69     body?: string;
  70     nsfw?: boolean;
  71     language_id?: number;
  72     community_id?: number;
  73     honeypot?: string;
  74   };
  75   loading: boolean;
  76   suggestedPostsRes: RequestState<SearchResponse>;
  77   metadataRes: RequestState<GetSiteMetadataResponse>;
  78   imageLoading: boolean;
  79   imageDeleteUrl: string;
  80   communitySearchLoading: boolean;
  81   communitySearchOptions: Choice[];
  82   previewMode: boolean;
  83   submitted: boolean;
  84 }
  85
  86 function handlePostSubmit(i: PostForm, event: any) {
  87   event.preventDefault();
  88   // Coerce empty url string to undefined
  89   if ((i.state.form.url ?? "") === "") {
  90     i.setState(s => ((s.form.url = undefined), s));
  91   }
  92   i.setState({ loading: true, submitted: true });
  93   const auth = myAuthRequired();
  94
  95   const pForm = i.state.form;
  96   const pv = i.props.post_view;
  97
  98   if (pv) {
  99     i.props.onEdit?.({
 100       name: pForm.name,
 101       url: pForm.url,
 102       body: pForm.body,
 103       nsfw: pForm.nsfw,
 104       post_id: pv.post.id,
 105       language_id: pForm.language_id,
 106       auth,
 107     });
 108   } else if (pForm.name && pForm.community_id) {
 109     i.props.onCreate?.({
 110       name: pForm.name,
 111       community_id: pForm.community_id,
 112       url: pForm.url,
 113       body: pForm.body,
 114       nsfw: pForm.nsfw,
 115       language_id: pForm.language_id,
 116       honeypot: pForm.honeypot,
 117       auth,
 118     });
 119   }
 120 }
 121
 122 function copySuggestedTitle(d: { i: PostForm; suggestedTitle?: string }) {
 123   const sTitle = d.suggestedTitle;
 124   if (sTitle) {
 125     d.i.setState(
 126       s => ((s.form.name = sTitle?.substring(0, MAX_POST_TITLE_LENGTH)), s)
 127     );
 128     d.i.setState({ suggestedPostsRes: { state: "empty" } });
 129     setTimeout(() => {
 130       const textarea: any = document.getElementById("post-title");
 131       autosize.update(textarea);
 132     }, 10);
 133   }
 134 }
 135
 136 function handlePostUrlChange(i: PostForm, event: any) {
 137   const url = event.target.value;
 138
 139   i.setState(prev => ({
 140     ...prev,
 141     form: {
 142       ...prev.form,
 143       url,
 144     },
 145     imageDeleteUrl: "",
 146   }));
 147
 148   i.fetchPageTitle();
 149 }
 150
 151 function handlePostNsfwChange(i: PostForm, event: any) {
 152   i.setState(s => ((s.form.nsfw = event.target.checked), s));
 153 }
 154
 155 function handleHoneyPotChange(i: PostForm, event: any) {
 156   i.setState(s => ((s.form.honeypot = event.target.value), s));
 157 }
 158
 159 function handleCancel(i: PostForm) {
 160   i.props.onCancel?.();
 161 }
 162
 163 function handleImageUploadPaste(i: PostForm, event: any) {
 164   const image = event.clipboardData.files[0];
 165   if (image) {
 166     handleImageUpload(i, image);
 167   }
 168 }
 169
 170 function handleImageUpload(i: PostForm, event: any) {
 171   let file: any;
 172   if (event.target) {
 173     event.preventDefault();
 174     file = event.target.files[0];
 175   } else {
 176     file = event;
 177   }
 178
 179   i.setState({ imageLoading: true });
 180
 181   HttpService.client.uploadImage({ image: file }).then(res => {
 182     console.log("pictrs upload:");
 183     console.log(res);
 184     if (res.state === "success") {
 185       if (res.data.msg === "ok") {
 186         i.state.form.url = res.data.url;
 187         i.setState({
 188           imageLoading: false,
 189           imageDeleteUrl: res.data.delete_url as string,
 190         });
 191       } else {
 192         toast(JSON.stringify(res), "danger");
 193       }
 194     } else if (res.state === "failed") {
 195       console.error(res.msg);
 196       toast(res.msg, "danger");
 197       i.setState({ imageLoading: false });
 198     }
 199   });
 200 }
 201
 202 function handlePostNameChange(i: PostForm, event: any) {
 203   i.setState(s => ((s.form.name = event.target.value), s));
 204   i.fetchSimilarPosts();
 205 }
 206
 207 function handleImageDelete(i: PostForm) {
 208   const { imageDeleteUrl } = i.state;
 209
 210   fetch(imageDeleteUrl);
 211
 212   i.setState(prev => ({
 213     ...prev,
 214     imageDeleteUrl: "",
 215     imageLoading: false,
 216     form: {
 217       ...prev.form,
 218       url: "",
 219     },
 220   }));
 221 }
 222
 223 export class PostForm extends Component<PostFormProps, PostFormState> {
 224   state: PostFormState = {
 225     suggestedPostsRes: { state: "empty" },
 226     metadataRes: { state: "empty" },
 227     form: {},
 228     loading: false,
 229     imageLoading: false,
 230     imageDeleteUrl: "",
 231     communitySearchLoading: false,
 232     previewMode: false,
 233     communitySearchOptions: [],
 234     submitted: false,
 235   };
 236
 237   constructor(props: PostFormProps, context: any) {
 238     super(props, context);
 239     this.fetchSimilarPosts = debounce(this.fetchSimilarPosts.bind(this));
 240     this.fetchPageTitle = debounce(this.fetchPageTitle.bind(this));
 241     this.handlePostBodyChange = this.handlePostBodyChange.bind(this);
 242     this.handleLanguageChange = this.handleLanguageChange.bind(this);
 243     this.handleCommunitySelect = this.handleCommunitySelect.bind(this);
 244
 245     const { post_view, selectedCommunityChoice, params } = this.props;
 246
 247     // Means its an edit
 248     if (post_view) {
 249       this.state = {
 250         ...this.state,
 251         form: {
 252           body: post_view.post.body,
 253           name: post_view.post.name,
 254           community_id: post_view.community.id,
 255           url: post_view.post.url,
 256           nsfw: post_view.post.nsfw,
 257           language_id: post_view.post.language_id,
 258         },
 259       };
 260     } else if (selectedCommunityChoice) {
 261       this.state = {
 262         ...this.state,
 263         form: {
 264           ...this.state.form,
 265           community_id: getIdFromString(selectedCommunityChoice.value),
 266         },
 267         communitySearchOptions: [selectedCommunityChoice].concat(
 268           (
 269             this.props.initialCommunities?.map(
 270               ({ community: { id, title } }) => ({
 271                 label: title,
 272                 value: id.toString(),
 273               })
 274             ) ?? []
 275           ).filter(option => option.value !== selectedCommunityChoice.value)
 276         ),
 277       };
 278     } else {
 279       this.state = {
 280         ...this.state,
 281         communitySearchOptions:
 282           this.props.initialCommunities?.map(
 283             ({ community: { id, title } }) => ({
 284               label: title,
 285               value: id.toString(),
 286             })
 287           ) ?? [],
 288       };
 289     }
 290
 291     if (params) {
 292       this.state = {
 293         ...this.state,
 294         form: {
 295           ...this.state.form,
 296           ...params,
 297         },
 298       };
 299     }
 300   }
 301
 302   componentDidMount() {
 303     setupTippy();
 304     const textarea: any = document.getElementById("post-title");
 305
 306     if (textarea) {
 307       autosize(textarea);
 308     }
 309   }
 310
 311   componentWillReceiveProps(
 312     nextProps: Readonly<{ children?: InfernoNode } & PostFormProps>
 313   ): void {
 314     if (this.props != nextProps) {
 315       this.setState(
 316         s => (
 317           (s.form.community_id = getIdFromString(
 318             nextProps.selectedCommunityChoice?.value
 319           )),
 320           s
 321         )
 322       );
 323     }
 324   }
 325
 326   render() {
 327     const url = this.state.form.url;
 328
 329     const userInterfaceLangId = getUserInterfaceLangId({
 330       myUserInfo: UserService.Instance.myUserInfo,
 331       allLanguages: this.props.allLanguages,
 332     });
 333
 334     return (
 335       <form className="post-form" onSubmit={linkEvent(this, handlePostSubmit)}>
 336         <NavigationPrompt
 337           when={
 338             !!(
 339               this.state.form.name ||
 340               this.state.form.url ||
 341               this.state.form.body
 342             ) && !this.state.submitted
 343           }
 344         />
 345         <div className="mb-3 row">
 346           <label className="col-sm-2 col-form-label" htmlFor="post-url">
 347             {I18NextService.i18n.t("url")}
 348           </label>
 349           <div className="col-sm-10">
 350             <input
 351               type="url"
 352               id="post-url"
 353               className="form-control"
 354               value={url}
 355               onInput={linkEvent(this, handlePostUrlChange)}
 356               onPaste={linkEvent(this, handleImageUploadPaste)}
 357             />
 358             {this.renderSuggestedTitleCopy()}
 359             <form>
 360               <label
 361                 htmlFor="file-upload"
 362                 className={`${
 363                   UserService.Instance.myUserInfo && "pointer"
 364                 } d-inline-block float-right text-muted font-weight-bold`}
 365                 data-tippy-content={I18NextService.i18n.t("upload_image")}
 366               >
 367                 <Icon icon="image" classes="icon-inline" />
 368               </label>
 369               <input
 370                 id="file-upload"
 371                 type="file"
 372                 accept="image/*,video/*"
 373                 name="file"
 374                 className="d-none"
 375                 disabled={!UserService.Instance.myUserInfo}
 376                 onChange={linkEvent(this, handleImageUpload)}
 377               />
 378             </form>
 379             {url && validURL(url) && (
 380               <div>
 381                 <a
 382                   href={`${webArchiveUrl}/save/${encodeURIComponent(url)}`}
 383                   className="me-2 d-inline-block float-right text-muted small font-weight-bold"
 384                   rel={relTags}
 385                 >
 386                   archive.org {I18NextService.i18n.t("archive_link")}
 387                 </a>
 388                 <a
 389                   href={`${ghostArchiveUrl}/search?term=${encodeURIComponent(
 390                     url
 391                   )}`}
 392                   className="me-2 d-inline-block float-right text-muted small font-weight-bold"
 393                   rel={relTags}
 394                 >
 395                   ghostarchive.org {I18NextService.i18n.t("archive_link")}
 396                 </a>
 397                 <a
 398                   href={`${archiveTodayUrl}/?run=1&url=${encodeURIComponent(
 399                     url
 400                   )}`}
 401                   className="me-2 d-inline-block float-right text-muted small font-weight-bold"
 402                   rel={relTags}
 403                 >
 404                   archive.today {I18NextService.i18n.t("archive_link")}
 405                 </a>
 406               </div>
 407             )}
 408             {this.state.imageLoading && <Spinner />}
 409             {url && isImage(url) && (
 410               <img src={url} className="img-fluid" alt="" />
 411             )}
 412             {this.state.imageDeleteUrl && (
 413               <button
 414                 className="btn btn-danger btn-sm mt-2"
 415                 onClick={linkEvent(this, handleImageDelete)}
 416                 aria-label={I18NextService.i18n.t("delete")}
 417                 data-tippy-content={I18NextService.i18n.t("delete")}
 418               >
 419                 <Icon icon="x" classes="icon-inline me-1" />
 420                 {capitalizeFirstLetter(I18NextService.i18n.t("delete"))}
 421               </button>
 422             )}
 423             {this.props.crossPosts && this.props.crossPosts.length > 0 && (
 424               <>
 425                 <div className="my-1 text-muted small font-weight-bold">
 426                   {I18NextService.i18n.t("cross_posts")}
 427                 </div>
 428                 <PostListings
 429                   showCommunity
 430                   posts={this.props.crossPosts}
 431                   enableDownvotes={this.props.enableDownvotes}
 432                   enableNsfw={this.props.enableNsfw}
 433                   allLanguages={this.props.allLanguages}
 434                   siteLanguages={this.props.siteLanguages}
 435                   viewOnly
 436                   // All of these are unused, since its view only
 437                   onPostEdit={() => {}}
 438                   onPostVote={() => {}}
 439                   onPostReport={() => {}}
 440                   onBlockPerson={() => {}}
 441                   onLockPost={() => {}}
 442                   onDeletePost={() => {}}
 443                   onRemovePost={() => {}}
 444                   onSavePost={() => {}}
 445                   onFeaturePost={() => {}}
 446                   onPurgePerson={() => {}}
 447                   onPurgePost={() => {}}
 448                   onBanPersonFromCommunity={() => {}}
 449                   onBanPerson={() => {}}
 450                   onAddModToCommunity={() => {}}
 451                   onAddAdmin={() => {}}
 452                   onTransferCommunity={() => {}}
 453                 />
 454               </>
 455             )}
 456           </div>
 457         </div>
 458         <div className="mb-3 row">
 459           <label className="col-sm-2 col-form-label" htmlFor="post-title">
 460             {I18NextService.i18n.t("title")}
 461           </label>
 462           <div className="col-sm-10">
 463             <textarea
 464               value={this.state.form.name}
 465               id="post-title"
 466               onInput={linkEvent(this, handlePostNameChange)}
 467               className={`form-control ${
 468                 !validTitle(this.state.form.name) && "is-invalid"
 469               }`}
 470               required
 471               rows={1}
 472               minLength={3}
 473               maxLength={MAX_POST_TITLE_LENGTH}
 474             />
 475             {!validTitle(this.state.form.name) && (
 476               <div className="invalid-feedback">
 477                 {I18NextService.i18n.t("invalid_post_title")}
 478               </div>
 479             )}
 480             {this.renderSuggestedPosts()}
 481           </div>
 482         </div>
 483
 484         <div className="mb-3 row">
 485           <label className="col-sm-2 col-form-label">
 486             {I18NextService.i18n.t("body")}
 487           </label>
 488           <div className="col-sm-10">
 489             <MarkdownTextArea
 490               initialContent={this.state.form.body}
 491               onContentChange={this.handlePostBodyChange}
 492               allLanguages={this.props.allLanguages}
 493               siteLanguages={this.props.siteLanguages}
 494               hideNavigationWarnings
 495             />
 496           </div>
 497         </div>
 498         <LanguageSelect
 499           allLanguages={this.props.allLanguages}
 500           selectedLanguageIds={[userInterfaceLangId]}
 501           siteLanguages={this.props.siteLanguages}
 502           multiple={false}
 503           onChange={this.handleLanguageChange}
 504         />
 505         {!this.props.post_view && (
 506           <div className="mb-3 row">
 507             <label className="col-sm-2 col-form-label" htmlFor="post-community">
 508               {I18NextService.i18n.t("community")}
 509             </label>
 510             <div className="col-sm-10">
 511               <SearchableSelect
 512                 id="post-community"
 513                 value={this.state.form.community_id}
 514                 options={[
 515                   {
 516                     label: I18NextService.i18n.t("select_a_community"),
 517                     value: "",
 518                     disabled: true,
 519                   } as Choice,
 520                 ].concat(this.state.communitySearchOptions)}
 521                 loading={this.state.communitySearchLoading}
 522                 onChange={this.handleCommunitySelect}
 523                 onSearch={this.handleCommunitySearch}
 524               />
 525             </div>
 526           </div>
 527         )}
 528         {this.props.enableNsfw && (
 529           <div className="form-check mb-3">
 530             <input
 531               className="form-check-input"
 532               id="post-nsfw"
 533               type="checkbox"
 534               checked={this.state.form.nsfw}
 535               onChange={linkEvent(this, handlePostNsfwChange)}
 536             />
 537             <label className="form-check-label">
 538               {I18NextService.i18n.t("nsfw")}
 539             </label>
 540           </div>
 541         )}
 542         <input
 543           tabIndex={-1}
 544           autoComplete="false"
 545           name="a_password"
 546           type="text"
 547           className="form-control honeypot"
 548           id="register-honey"
 549           value={this.state.form.honeypot}
 550           onInput={linkEvent(this, handleHoneyPotChange)}
 551         />
 552         <div className="mb-3 row">
 553           <div className="col-sm-10">
 554             <button
 555               disabled={!this.state.form.community_id || this.state.loading}
 556               type="submit"
 557               className="btn btn-secondary me-2"
 558             >
 559               {this.state.loading ? (
 560                 <Spinner />
 561               ) : this.props.post_view ? (
 562                 capitalizeFirstLetter(I18NextService.i18n.t("save"))
 563               ) : (
 564                 capitalizeFirstLetter(I18NextService.i18n.t("create"))
 565               )}
 566             </button>
 567             {this.props.post_view && (
 568               <button
 569                 type="button"
 570                 className="btn btn-secondary"
 571                 onClick={linkEvent(this, handleCancel)}
 572               >
 573                 {I18NextService.i18n.t("cancel")}
 574               </button>
 575             )}
 576           </div>
 577         </div>
 578       </form>
 579     );
 580   }
 581
 582   renderSuggestedTitleCopy() {
 583     switch (this.state.metadataRes.state) {
 584       case "loading":
 585         return <Spinner />;
 586       case "success": {
 587         const suggestedTitle = this.state.metadataRes.data.metadata.title;
 588
 589         return (
 590           suggestedTitle && (
 591             <div
 592               className="mt-1 text-muted small font-weight-bold pointer"
 593               role="button"
 594               onClick={linkEvent(
 595                 { i: this, suggestedTitle },
 596                 copySuggestedTitle
 597               )}
 598             >
 599               {I18NextService.i18n.t("copy_suggested_title", { title: "" })}{" "}
 600               {suggestedTitle}
 601             </div>
 602           )
 603         );
 604       }
 605     }
 606   }
 607
 608   renderSuggestedPosts() {
 609     switch (this.state.suggestedPostsRes.state) {
 610       case "loading":
 611         return <Spinner />;
 612       case "success": {
 613         const suggestedPosts = this.state.suggestedPostsRes.data.posts;
 614
 615         return (
 616           suggestedPosts &&
 617           suggestedPosts.length > 0 && (
 618             <>
 619               <div className="my-1 text-muted small font-weight-bold">
 620                 {I18NextService.i18n.t("related_posts")}
 621               </div>
 622               <PostListings
 623                 showCommunity
 624                 posts={suggestedPosts}
 625                 enableDownvotes={this.props.enableDownvotes}
 626                 enableNsfw={this.props.enableNsfw}
 627                 allLanguages={this.props.allLanguages}
 628                 siteLanguages={this.props.siteLanguages}
 629                 viewOnly
 630                 // All of these are unused, since its view only
 631                 onPostEdit={() => {}}
 632                 onPostVote={() => {}}
 633                 onPostReport={() => {}}
 634                 onBlockPerson={() => {}}
 635                 onLockPost={() => {}}
 636                 onDeletePost={() => {}}
 637                 onRemovePost={() => {}}
 638                 onSavePost={() => {}}
 639                 onFeaturePost={() => {}}
 640                 onPurgePerson={() => {}}
 641                 onPurgePost={() => {}}
 642                 onBanPersonFromCommunity={() => {}}
 643                 onBanPerson={() => {}}
 644                 onAddModToCommunity={() => {}}
 645                 onAddAdmin={() => {}}
 646                 onTransferCommunity={() => {}}
 647               />
 648             </>
 649           )
 650         );
 651       }
 652     }
 653   }
 654
 655   async fetchPageTitle() {
 656     const url = this.state.form.url;
 657     if (url && validURL(url)) {
 658       this.setState({ metadataRes: { state: "loading" } });
 659       this.setState({
 660         metadataRes: await HttpService.client.getSiteMetadata({ url }),
 661       });
 662     }
 663   }
 664
 665   async fetchSimilarPosts() {
 666     const q = this.state.form.name;
 667     if (q && q !== "") {
 668       this.setState({ suggestedPostsRes: { state: "loading" } });
 669       this.setState({
 670         suggestedPostsRes: await HttpService.client.search({
 671           q,
 672           type_: "Posts",
 673           sort: "TopAll",
 674           listing_type: "All",
 675           community_id: this.state.form.community_id,
 676           page: 1,
 677           limit: trendingFetchLimit,
 678           auth: myAuth(),
 679         }),
 680       });
 681     }
 682   }
 683
 684   handlePostBodyChange(val: string) {
 685     this.setState(s => ((s.form.body = val), s));
 686   }
 687
 688   handleLanguageChange(val: number[]) {
 689     this.setState(s => ((s.form.language_id = val.at(0)), s));
 690   }
 691
 692   handleCommunitySearch = debounce(async (text: string) => {
 693     const { selectedCommunityChoice } = this.props;
 694     this.setState({ communitySearchLoading: true });
 695
 696     const newOptions: Choice[] = [];
 697
 698     if (selectedCommunityChoice) {
 699       newOptions.push(selectedCommunityChoice);
 700     }
 701
 702     if (text.length > 0) {
 703       newOptions.push(...(await fetchCommunities(text)).map(communityToChoice));
 704
 705       this.setState({
 706         communitySearchOptions: newOptions,
 707       });
 708     }
 709
 710     this.setState({
 711       communitySearchLoading: false,
 712     });
 713   });
 714
 715   handleCommunitySelect(choice: Choice) {
 716     if (this.props.onSelectCommunity) {
 717       this.props.onSelectCommunity(choice);
 718     }
 719   }
 720 }