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(this.props.allLanguages);
 330
 331     return (
 332       <form className="post-form" onSubmit={linkEvent(this, handlePostSubmit)}>
 333         <NavigationPrompt
 334           when={
 335             !!(
 336               this.state.form.name ||
 337               this.state.form.url ||
 338               this.state.form.body
 339             ) && !this.state.submitted
 340           }
 341         />
 342         <div className="mb-3 row">
 343           <label className="col-sm-2 col-form-label" htmlFor="post-url">
 344             {I18NextService.i18n.t("url")}
 345           </label>
 346           <div className="col-sm-10">
 347             <input
 348               type="url"
 349               id="post-url"
 350               className="form-control mb-3"
 351               value={url}
 352               onInput={linkEvent(this, handlePostUrlChange)}
 353               onPaste={linkEvent(this, handleImageUploadPaste)}
 354             />
 355             {this.renderSuggestedTitleCopy()}
 356             {url && validURL(url) && (
 357               <div>
 358                 <a
 359                   href={`${webArchiveUrl}/save/${encodeURIComponent(url)}`}
 360                   className="me-2 d-inline-block float-right text-muted small fw-bold"
 361                   rel={relTags}
 362                 >
 363                   archive.org {I18NextService.i18n.t("archive_link")}
 364                 </a>
 365                 <a
 366                   href={`${ghostArchiveUrl}/search?term=${encodeURIComponent(
 367                     url
 368                   )}`}
 369                   className="me-2 d-inline-block float-right text-muted small fw-bold"
 370                   rel={relTags}
 371                 >
 372                   ghostarchive.org {I18NextService.i18n.t("archive_link")}
 373                 </a>
 374                 <a
 375                   href={`${archiveTodayUrl}/?run=1&url=${encodeURIComponent(
 376                     url
 377                   )}`}
 378                   className="me-2 d-inline-block float-right text-muted small fw-bold"
 379                   rel={relTags}
 380                 >
 381                   archive.today {I18NextService.i18n.t("archive_link")}
 382                 </a>
 383               </div>
 384             )}
 385           </div>
 386         </div>
 387
 388         <div className="mb-3 row">
 389           <label htmlFor="file-upload" className={"col-sm-2 col-form-label"}>
 390             {capitalizeFirstLetter(I18NextService.i18n.t("image"))}
 391             <Icon icon="image" classes="icon-inline ms-1" />
 392           </label>
 393           <input
 394             id="file-upload"
 395             type="file"
 396             accept="image/*,video/*"
 397             name="file"
 398             className="small col-sm-10"
 399             disabled={!UserService.Instance.myUserInfo}
 400             onChange={linkEvent(this, handleImageUpload)}
 401           />
 402           {this.state.imageLoading && <Spinner />}
 403           {url && isImage(url) && (
 404             <img src={url} className="img-fluid" alt="" />
 405           )}
 406           {this.state.imageDeleteUrl && (
 407             <button
 408               className="btn btn-danger btn-sm mt-2"
 409               onClick={linkEvent(this, handleImageDelete)}
 410               aria-label={I18NextService.i18n.t("delete")}
 411               data-tippy-content={I18NextService.i18n.t("delete")}
 412             >
 413               <Icon icon="x" classes="icon-inline me-1" />
 414               {capitalizeFirstLetter(I18NextService.i18n.t("delete"))}
 415             </button>
 416           )}
 417           {this.props.crossPosts && this.props.crossPosts.length > 0 && (
 418             <>
 419               <div className="my-1 text-muted small fw-bold">
 420                 {I18NextService.i18n.t("cross_posts")}
 421               </div>
 422               <PostListings
 423                 showCommunity
 424                 posts={this.props.crossPosts}
 425                 enableDownvotes={this.props.enableDownvotes}
 426                 enableNsfw={this.props.enableNsfw}
 427                 allLanguages={this.props.allLanguages}
 428                 siteLanguages={this.props.siteLanguages}
 429                 viewOnly
 430                 // All of these are unused, since its view only
 431                 onPostEdit={() => {}}
 432                 onPostVote={() => {}}
 433                 onPostReport={() => {}}
 434                 onBlockPerson={() => {}}
 435                 onLockPost={() => {}}
 436                 onDeletePost={() => {}}
 437                 onRemovePost={() => {}}
 438                 onSavePost={() => {}}
 439                 onFeaturePost={() => {}}
 440                 onPurgePerson={() => {}}
 441                 onPurgePost={() => {}}
 442                 onBanPersonFromCommunity={() => {}}
 443                 onBanPerson={() => {}}
 444                 onAddModToCommunity={() => {}}
 445                 onAddAdmin={() => {}}
 446                 onTransferCommunity={() => {}}
 447               />
 448             </>
 449           )}
 450         </div>
 451
 452         <div className="mb-3 row">
 453           <label className="col-sm-2 col-form-label" htmlFor="post-title">
 454             {I18NextService.i18n.t("title")}
 455           </label>
 456           <div className="col-sm-10">
 457             <textarea
 458               value={this.state.form.name}
 459               id="post-title"
 460               onInput={linkEvent(this, handlePostNameChange)}
 461               className={`form-control ${
 462                 !validTitle(this.state.form.name) && "is-invalid"
 463               }`}
 464               required
 465               rows={1}
 466               minLength={3}
 467               maxLength={MAX_POST_TITLE_LENGTH}
 468             />
 469             {!validTitle(this.state.form.name) && (
 470               <div className="invalid-feedback">
 471                 {I18NextService.i18n.t("invalid_post_title")}
 472               </div>
 473             )}
 474             {this.renderSuggestedPosts()}
 475           </div>
 476         </div>
 477
 478         <div className="mb-3 row">
 479           <label className="col-sm-2 col-form-label">
 480             {I18NextService.i18n.t("body")}
 481           </label>
 482           <div className="col-sm-10">
 483             <MarkdownTextArea
 484               initialContent={this.state.form.body}
 485               onContentChange={this.handlePostBodyChange}
 486               allLanguages={this.props.allLanguages}
 487               siteLanguages={this.props.siteLanguages}
 488               hideNavigationWarnings
 489             />
 490           </div>
 491         </div>
 492         <LanguageSelect
 493           allLanguages={this.props.allLanguages}
 494           selectedLanguageIds={[userInterfaceLangId]}
 495           siteLanguages={this.props.siteLanguages}
 496           multiple={false}
 497           onChange={this.handleLanguageChange}
 498         />
 499         {!this.props.post_view && (
 500           <div className="mb-3 row">
 501             <label className="col-sm-2 col-form-label" htmlFor="post-community">
 502               {I18NextService.i18n.t("community")}
 503             </label>
 504             <div className="col-sm-10">
 505               <SearchableSelect
 506                 id="post-community"
 507                 value={this.state.form.community_id}
 508                 options={[
 509                   {
 510                     label: I18NextService.i18n.t("select_a_community"),
 511                     value: "",
 512                     disabled: true,
 513                   } as Choice,
 514                 ].concat(this.state.communitySearchOptions)}
 515                 loading={this.state.communitySearchLoading}
 516                 onChange={this.handleCommunitySelect}
 517                 onSearch={this.handleCommunitySearch}
 518               />
 519             </div>
 520           </div>
 521         )}
 522         {this.props.enableNsfw && (
 523           <div className="form-check mb-3">
 524             <input
 525               className="form-check-input"
 526               id="post-nsfw"
 527               type="checkbox"
 528               checked={this.state.form.nsfw}
 529               onChange={linkEvent(this, handlePostNsfwChange)}
 530             />
 531             <label className="form-check-label" htmlFor="post-nsfw">
 532               {I18NextService.i18n.t("nsfw")}
 533             </label>
 534           </div>
 535         )}
 536         <input
 537           tabIndex={-1}
 538           autoComplete="false"
 539           name="a_password"
 540           type="text"
 541           className="form-control honeypot"
 542           id="register-honey"
 543           value={this.state.form.honeypot}
 544           onInput={linkEvent(this, handleHoneyPotChange)}
 545         />
 546         <div className="mb-3 row">
 547           <div className="col-sm-10">
 548             <button
 549               disabled={!this.state.form.community_id || this.state.loading}
 550               type="submit"
 551               className="btn btn-secondary me-2"
 552             >
 553               {this.state.loading ? (
 554                 <Spinner />
 555               ) : this.props.post_view ? (
 556                 capitalizeFirstLetter(I18NextService.i18n.t("save"))
 557               ) : (
 558                 capitalizeFirstLetter(I18NextService.i18n.t("create"))
 559               )}
 560             </button>
 561             {this.props.post_view && (
 562               <button
 563                 type="button"
 564                 className="btn btn-secondary"
 565                 onClick={linkEvent(this, handleCancel)}
 566               >
 567                 {I18NextService.i18n.t("cancel")}
 568               </button>
 569             )}
 570           </div>
 571         </div>
 572       </form>
 573     );
 574   }
 575
 576   renderSuggestedTitleCopy() {
 577     switch (this.state.metadataRes.state) {
 578       case "loading":
 579         return <Spinner />;
 580       case "success": {
 581         const suggestedTitle = this.state.metadataRes.data.metadata.title;
 582
 583         return (
 584           suggestedTitle && (
 585             <button
 586               type="button"
 587               className="mt-1 small border-0 bg-transparent p-0 d-block text-muted fw-bold pointer"
 588               onClick={linkEvent(
 589                 { i: this, suggestedTitle },
 590                 copySuggestedTitle
 591               )}
 592             >
 593               {I18NextService.i18n.t("copy_suggested_title", { title: "" })}{" "}
 594               {suggestedTitle}
 595             </button>
 596           )
 597         );
 598       }
 599     }
 600   }
 601
 602   renderSuggestedPosts() {
 603     switch (this.state.suggestedPostsRes.state) {
 604       case "loading":
 605         return <Spinner />;
 606       case "success": {
 607         const suggestedPosts = this.state.suggestedPostsRes.data.posts;
 608
 609         return (
 610           suggestedPosts &&
 611           suggestedPosts.length > 0 && (
 612             <>
 613               <div className="my-1 text-muted small fw-bold">
 614                 {I18NextService.i18n.t("related_posts")}
 615               </div>
 616               <PostListings
 617                 showCommunity
 618                 posts={suggestedPosts}
 619                 enableDownvotes={this.props.enableDownvotes}
 620                 enableNsfw={this.props.enableNsfw}
 621                 allLanguages={this.props.allLanguages}
 622                 siteLanguages={this.props.siteLanguages}
 623                 viewOnly
 624                 // All of these are unused, since its view only
 625                 onPostEdit={() => {}}
 626                 onPostVote={() => {}}
 627                 onPostReport={() => {}}
 628                 onBlockPerson={() => {}}
 629                 onLockPost={() => {}}
 630                 onDeletePost={() => {}}
 631                 onRemovePost={() => {}}
 632                 onSavePost={() => {}}
 633                 onFeaturePost={() => {}}
 634                 onPurgePerson={() => {}}
 635                 onPurgePost={() => {}}
 636                 onBanPersonFromCommunity={() => {}}
 637                 onBanPerson={() => {}}
 638                 onAddModToCommunity={() => {}}
 639                 onAddAdmin={() => {}}
 640                 onTransferCommunity={() => {}}
 641               />
 642             </>
 643           )
 644         );
 645       }
 646     }
 647   }
 648
 649   async fetchPageTitle() {
 650     const url = this.state.form.url;
 651     if (url && validURL(url)) {
 652       this.setState({ metadataRes: { state: "loading" } });
 653       this.setState({
 654         metadataRes: await HttpService.client.getSiteMetadata({ url }),
 655       });
 656     }
 657   }
 658
 659   async fetchSimilarPosts() {
 660     const q = this.state.form.name;
 661     if (q && q !== "") {
 662       this.setState({ suggestedPostsRes: { state: "loading" } });
 663       this.setState({
 664         suggestedPostsRes: await HttpService.client.search({
 665           q,
 666           type_: "Posts",
 667           sort: "TopAll",
 668           listing_type: "All",
 669           community_id: this.state.form.community_id,
 670           page: 1,
 671           limit: trendingFetchLimit,
 672           auth: myAuth(),
 673         }),
 674       });
 675     }
 676   }
 677
 678   handlePostBodyChange(val: string) {
 679     this.setState(s => ((s.form.body = val), s));
 680   }
 681
 682   handleLanguageChange(val: number[]) {
 683     this.setState(s => ((s.form.language_id = val.at(0)), s));
 684   }
 685
 686   handleCommunitySearch = debounce(async (text: string) => {
 687     const { selectedCommunityChoice } = this.props;
 688     this.setState({ communitySearchLoading: true });
 689
 690     const newOptions: Choice[] = [];
 691
 692     if (selectedCommunityChoice) {
 693       newOptions.push(selectedCommunityChoice);
 694     }
 695
 696     if (text.length > 0) {
 697       newOptions.push(...(await fetchCommunities(text)).map(communityToChoice));
 698
 699       this.setState({
 700         communitySearchOptions: newOptions,
 701       });
 702     }
 703
 704     this.setState({
 705       communitySearchLoading: false,
 706     });
 707   });
 708
 709   handleCommunitySelect(choice: Choice) {
 710     if (this.props.onSelectCommunity) {
 711       this.props.onSelectCommunity(choice);
 712     }
 713   }
 714 }