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 { Prompt } from "inferno-router";
  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 { 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         <Prompt
 336           message={I18NextService.i18n.t("block_leaving")}
 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 mb-3"
 354               value={url}
 355               onInput={linkEvent(this, handlePostUrlChange)}
 356               onPaste={linkEvent(this, handleImageUploadPaste)}
 357             />
 358             {this.renderSuggestedTitleCopy()}
 359             {url && validURL(url) && (
 360               <div>
 361                 <a
 362                   href={`${webArchiveUrl}/save/${encodeURIComponent(url)}`}
 363                   className="me-2 d-inline-block float-right text-muted small fw-bold"
 364                   rel={relTags}
 365                 >
 366                   archive.org {I18NextService.i18n.t("archive_link")}
 367                 </a>
 368                 <a
 369                   href={`${ghostArchiveUrl}/search?term=${encodeURIComponent(
 370                     url,
 371                   )}`}
 372                   className="me-2 d-inline-block float-right text-muted small fw-bold"
 373                   rel={relTags}
 374                 >
 375                   ghostarchive.org {I18NextService.i18n.t("archive_link")}
 376                 </a>
 377                 <a
 378                   href={`${archiveTodayUrl}/?run=1&url=${encodeURIComponent(
 379                     url,
 380                   )}`}
 381                   className="me-2 d-inline-block float-right text-muted small fw-bold"
 382                   rel={relTags}
 383                 >
 384                   archive.today {I18NextService.i18n.t("archive_link")}
 385                 </a>
 386               </div>
 387             )}
 388           </div>
 389         </div>
 390
 391         <div className="mb-3 row">
 392           <label htmlFor="file-upload" className={"col-sm-2 col-form-label"}>
 393             {capitalizeFirstLetter(I18NextService.i18n.t("image"))}
 394             <Icon icon="image" classes="icon-inline ms-1" />
 395           </label>
 396           <div className="col-sm-10">
 397             <input
 398               id="file-upload"
 399               type="file"
 400               accept="image/*,video/*"
 401               name="file"
 402               className="small col-sm-10 form-control"
 403               disabled={!UserService.Instance.myUserInfo}
 404               onChange={linkEvent(this, handleImageUpload)}
 405             />
 406             {this.state.imageLoading && <Spinner />}
 407             {url && isImage(url) && (
 408               <img src={url} className="img-fluid mt-2" alt="" />
 409             )}
 410             {this.state.imageDeleteUrl && (
 411               <button
 412                 className="btn btn-danger btn-sm mt-2"
 413                 onClick={linkEvent(this, handleImageDelete)}
 414               >
 415                 <Icon icon="x" classes="icon-inline me-1" />
 416                 {capitalizeFirstLetter(I18NextService.i18n.t("delete"))}
 417               </button>
 418             )}
 419           </div>
 420           {this.props.crossPosts && this.props.crossPosts.length > 0 && (
 421             <>
 422               <div className="my-1 text-muted small fw-bold">
 423                 {I18NextService.i18n.t("cross_posts")}
 424               </div>
 425               <PostListings
 426                 showCommunity
 427                 posts={this.props.crossPosts}
 428                 enableDownvotes={this.props.enableDownvotes}
 429                 enableNsfw={this.props.enableNsfw}
 430                 allLanguages={this.props.allLanguages}
 431                 siteLanguages={this.props.siteLanguages}
 432                 viewOnly
 433                 // All of these are unused, since its view only
 434                 onPostEdit={() => {}}
 435                 onPostVote={() => {}}
 436                 onPostReport={() => {}}
 437                 onBlockPerson={() => {}}
 438                 onLockPost={() => {}}
 439                 onDeletePost={() => {}}
 440                 onRemovePost={() => {}}
 441                 onSavePost={() => {}}
 442                 onFeaturePost={() => {}}
 443                 onPurgePerson={() => {}}
 444                 onPurgePost={() => {}}
 445                 onBanPersonFromCommunity={() => {}}
 446                 onBanPerson={() => {}}
 447                 onAddModToCommunity={() => {}}
 448                 onAddAdmin={() => {}}
 449                 onTransferCommunity={() => {}}
 450                 onMarkPostAsRead={() => {}}
 451               />
 452             </>
 453           )}
 454         </div>
 455
 456         <div className="mb-3 row">
 457           <label className="col-sm-2 col-form-label" htmlFor="post-title">
 458             {I18NextService.i18n.t("title")}
 459           </label>
 460           <div className="col-sm-10">
 461             <textarea
 462               value={this.state.form.name}
 463               id="post-title"
 464               onInput={linkEvent(this, handlePostNameChange)}
 465               className={`form-control ${
 466                 !validTitle(this.state.form.name) && "is-invalid"
 467               }`}
 468               required
 469               rows={1}
 470               minLength={3}
 471               maxLength={MAX_POST_TITLE_LENGTH}
 472             />
 473             {!validTitle(this.state.form.name) && (
 474               <div className="invalid-feedback">
 475                 {I18NextService.i18n.t("invalid_post_title")}
 476               </div>
 477             )}
 478             {this.renderSuggestedPosts()}
 479           </div>
 480         </div>
 481
 482         <div className="mb-3 row">
 483           <label className="col-sm-2 col-form-label">
 484             {I18NextService.i18n.t("body")}
 485           </label>
 486           <div className="col-sm-10">
 487             <MarkdownTextArea
 488               initialContent={this.state.form.body}
 489               onContentChange={this.handlePostBodyChange}
 490               allLanguages={this.props.allLanguages}
 491               siteLanguages={this.props.siteLanguages}
 492               hideNavigationWarnings
 493             />
 494           </div>
 495         </div>
 496         <LanguageSelect
 497           allLanguages={this.props.allLanguages}
 498           siteLanguages={this.props.siteLanguages}
 499           selectedLanguageIds={selectedLangs}
 500           multiple={false}
 501           onChange={this.handleLanguageChange}
 502         />
 503         {!this.props.post_view && (
 504           <div className="mb-3 row">
 505             <label className="col-sm-2 col-form-label" htmlFor="post-community">
 506               {I18NextService.i18n.t("community")}
 507             </label>
 508             <div className="col-sm-10">
 509               <SearchableSelect
 510                 id="post-community"
 511                 value={this.state.form.community_id}
 512                 options={[
 513                   {
 514                     label: I18NextService.i18n.t("select_a_community"),
 515                     value: "",
 516                     disabled: true,
 517                   } as Choice,
 518                 ].concat(this.state.communitySearchOptions)}
 519                 loading={this.state.communitySearchLoading}
 520                 onChange={this.handleCommunitySelect}
 521                 onSearch={this.handleCommunitySearch}
 522               />
 523             </div>
 524           </div>
 525         )}
 526         {this.props.enableNsfw && (
 527           <div className="form-check mb-3">
 528             <input
 529               className="form-check-input"
 530               id="post-nsfw"
 531               type="checkbox"
 532               checked={this.state.form.nsfw}
 533               onChange={linkEvent(this, handlePostNsfwChange)}
 534             />
 535             <label className="form-check-label" htmlFor="post-nsfw">
 536               {I18NextService.i18n.t("nsfw")}
 537             </label>
 538           </div>
 539         )}
 540         <input
 541           tabIndex={-1}
 542           autoComplete="false"
 543           name="a_password"
 544           type="text"
 545           className="form-control honeypot"
 546           id="register-honey"
 547           value={this.state.form.honeypot}
 548           onInput={linkEvent(this, handleHoneyPotChange)}
 549         />
 550         <div className="mb-3 row">
 551           <div className="col-sm-10">
 552             <button
 553               disabled={!this.state.form.community_id || this.state.loading}
 554               type="submit"
 555               className="btn btn-secondary me-2"
 556             >
 557               {this.state.loading ? (
 558                 <Spinner />
 559               ) : this.props.post_view ? (
 560                 capitalizeFirstLetter(I18NextService.i18n.t("save"))
 561               ) : (
 562                 capitalizeFirstLetter(I18NextService.i18n.t("create"))
 563               )}
 564             </button>
 565             {this.props.post_view && (
 566               <button
 567                 type="button"
 568                 className="btn btn-secondary"
 569                 onClick={linkEvent(this, handleCancel)}
 570               >
 571                 {I18NextService.i18n.t("cancel")}
 572               </button>
 573             )}
 574           </div>
 575         </div>
 576       </form>
 577     );
 578   }
 579
 580   renderSuggestedTitleCopy() {
 581     switch (this.state.metadataRes.state) {
 582       case "loading":
 583         return <Spinner />;
 584       case "success": {
 585         const suggestedTitle = this.state.metadataRes.data.metadata.title;
 586
 587         return (
 588           suggestedTitle && (
 589             <button
 590               type="button"
 591               className="mt-1 small border-0 bg-transparent p-0 d-block text-muted fw-bold pointer"
 592               onClick={linkEvent(
 593                 { i: this, suggestedTitle },
 594                 copySuggestedTitle,
 595               )}
 596             >
 597               {I18NextService.i18n.t("copy_suggested_title", { title: "" })}{" "}
 598               {suggestedTitle}
 599             </button>
 600           )
 601         );
 602       }
 603     }
 604   }
 605
 606   renderSuggestedPosts() {
 607     switch (this.state.suggestedPostsRes.state) {
 608       case "loading":
 609         return <Spinner />;
 610       case "success": {
 611         const suggestedPosts = this.state.suggestedPostsRes.data.posts;
 612
 613         return (
 614           suggestedPosts &&
 615           suggestedPosts.length > 0 && (
 616             <>
 617               <div className="my-1 text-muted small fw-bold">
 618                 {I18NextService.i18n.t("related_posts")}
 619               </div>
 620               <PostListings
 621                 showCommunity
 622                 posts={suggestedPosts}
 623                 enableDownvotes={this.props.enableDownvotes}
 624                 enableNsfw={this.props.enableNsfw}
 625                 allLanguages={this.props.allLanguages}
 626                 siteLanguages={this.props.siteLanguages}
 627                 viewOnly
 628                 // All of these are unused, since its view only
 629                 onPostEdit={() => {}}
 630                 onPostVote={() => {}}
 631                 onPostReport={() => {}}
 632                 onBlockPerson={() => {}}
 633                 onLockPost={() => {}}
 634                 onDeletePost={() => {}}
 635                 onRemovePost={() => {}}
 636                 onSavePost={() => {}}
 637                 onFeaturePost={() => {}}
 638                 onPurgePerson={() => {}}
 639                 onPurgePost={() => {}}
 640                 onBanPersonFromCommunity={() => {}}
 641                 onBanPerson={() => {}}
 642                 onAddModToCommunity={() => {}}
 643                 onAddAdmin={() => {}}
 644                 onTransferCommunity={() => {}}
 645                 onMarkPostAsRead={() => {}}
 646               />
 647             </>
 648           )
 649         );
 650       }
 651     }
 652   }
 653
 654   async fetchPageTitle() {
 655     const url = this.state.form.url;
 656     if (url && validURL(url)) {
 657       this.setState({ metadataRes: { state: "loading" } });
 658       this.setState({
 659         metadataRes: await HttpService.client.getSiteMetadata({ url }),
 660       });
 661     }
 662   }
 663
 664   async fetchSimilarPosts() {
 665     const q = this.state.form.name;
 666     if (q && q !== "") {
 667       this.setState({ suggestedPostsRes: { state: "loading" } });
 668       this.setState({
 669         suggestedPostsRes: await HttpService.client.search({
 670           q,
 671           type_: "Posts",
 672           sort: "TopAll",
 673           listing_type: "All",
 674           community_id: this.state.form.community_id,
 675           page: 1,
 676           limit: trendingFetchLimit,
 677           auth: myAuth(),
 678         }),
 679       });
 680     }
 681   }
 682
 683   handlePostBodyChange(val: string) {
 684     this.setState(s => ((s.form.body = val), s));
 685   }
 686
 687   handleLanguageChange(val: number[]) {
 688     this.setState(s => ((s.form.language_id = val.at(0)), s));
 689   }
 690
 691   handleCommunitySearch = debounce(async (text: string) => {
 692     const { selectedCommunityChoice } = this.props;
 693     this.setState({ communitySearchLoading: true });
 694
 695     const newOptions: Choice[] = [];
 696
 697     if (selectedCommunityChoice) {
 698       newOptions.push(selectedCommunityChoice);
 699     }
 700
 701     if (text.length > 0) {
 702       newOptions.push(...(await fetchCommunities(text)).map(communityToChoice));
 703
 704       this.setState({
 705         communitySearchOptions: newOptions,
 706       });
 707     }
 708
 709     this.setState({
 710       communitySearchLoading: false,
 711     });
 712   });
 713
 714   handleCommunitySelect(choice: Choice) {
 715     if (this.props.onSelectCommunity) {
 716       this.props.onSelectCommunity(choice);
 717     }
 718   }
 719 }