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

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