mirror of
https://github.com/naturalcrit/homebrewery.git
synced 2025-12-24 18:32:41 +00:00
c5aa774daa
Moves the two files up a level, directly in `/shared/`. Everything else is just updating paths for that.
416 lines
15 KiB
JavaScript
416 lines
15 KiB
JavaScript
/* eslint-disable max-lines */
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import './editPage.less';
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// Common imports
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import React, { useState, useEffect, useRef } from 'react';
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import request from '../../utils/request-middleware.js';
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import Markdown from 'markdown.js';
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import _ from 'lodash';
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import { DEFAULT_BREW_LOAD } from '../../../../server/brewDefaults.js';
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import { printCurrentBrew, fetchThemeBundle, splitTextStyleAndMetadata } from '../../../../shared/helpers.js';
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import SplitPane from 'client/components/splitPane/splitPane.jsx';
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import Editor from '../../editor/editor.jsx';
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import BrewRenderer from '../../brewRenderer/brewRenderer.jsx';
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import Nav from 'naturalcrit/nav/nav.jsx';
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import Navbar from '../../navbar/navbar.jsx';
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import NewBrewItem from '../../navbar/newbrew.navitem.jsx';
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import AccountNavItem from '../../navbar/account.navitem.jsx';
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import ErrorNavItem from '../../navbar/error-navitem.jsx';
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import HelpNavItem from '../../navbar/help.navitem.jsx';
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import VaultNavItem from '../../navbar/vault.navitem.jsx';
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import PrintNavItem from '../../navbar/print.navitem.jsx';
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import { both as RecentNavItem } from '../../navbar/recent.navitem.jsx';
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// Page specific imports
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import { Meta } from 'vitreum/headtags';
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import { md5 } from 'hash-wasm';
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import { gzipSync, strToU8 } from 'fflate';
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import { makePatches, stringifyPatches } from '@sanity/diff-match-patch';
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import ShareNavItem from '../../navbar/share.navitem.jsx';
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import LockNotification from './lockNotification/lockNotification.jsx';
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import { updateHistory, versionHistoryGarbageCollection } from '../../utils/versionHistory.js';
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import googleDriveIcon from '../../googleDrive.svg';
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const SAVE_TIMEOUT = 10000;
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const UNSAVED_WARNING_TIMEOUT = 900000; //Warn user afer 15 minutes of unsaved changes
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const UNSAVED_WARNING_POPUP_TIMEOUT = 4000; //Show the warning for 4 seconds
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const AUTOSAVE_KEY = 'HB_editor_autoSaveOn';
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const BREWKEY = 'HB_newPage_content';
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const STYLEKEY = 'HB_newPage_style';
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const SNIPKEY = 'HB_newPage_snippets';
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const METAKEY = 'HB_newPage_meta';
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const useLocalStorage = false;
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const neverSaved = false;
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const EditPage = (props)=>{
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props = {
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brew : DEFAULT_BREW_LOAD,
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...props
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};
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const [currentBrew , setCurrentBrew ] = useState(props.brew);
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const [isSaving , setIsSaving ] = useState(false);
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const [lastSavedTime , setLastSavedTime ] = useState(new Date());
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const [saveGoogle , setSaveGoogle ] = useState(!!props.brew.googleId);
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const [error , setError ] = useState(null);
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const [HTMLErrors , setHTMLErrors ] = useState(Markdown.validate(props.brew.text));
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const [currentEditorViewPageNum , setCurrentEditorViewPageNum ] = useState(1);
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const [currentEditorCursorPageNum, setCurrentEditorCursorPageNum] = useState(1);
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const [currentBrewRendererPageNum, setCurrentBrewRendererPageNum] = useState(1);
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const [themeBundle , setThemeBundle ] = useState({});
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const [unsavedChanges , setUnsavedChanges ] = useState(false);
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const [alertTrashedGoogleBrew , setAlertTrashedGoogleBrew ] = useState(props.brew.trashed);
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const [alertLoginToTransfer , setAlertLoginToTransfer ] = useState(false);
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const [confirmGoogleTransfer , setConfirmGoogleTransfer ] = useState(false);
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const [autoSaveEnabled , setAutoSaveEnabled ] = useState(true);
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const [warnUnsavedChanges , setWarnUnsavedChanges ] = useState(true);
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const editorRef = useRef(null);
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const lastSavedBrew = useRef(_.cloneDeep(props.brew));
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const saveTimeout = useRef(null);
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const warnUnsavedTimeout = useRef(null);
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const trySaveRef = useRef(trySave); // CTRL+S listener lives outside React and needs ref to use trySave with latest copy of brew
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const unsavedChangesRef = useRef(unsavedChanges); // Similarly, onBeforeUnload lives outside React and needs ref to unsavedChanges
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useEffect(()=>{
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const autoSavePref = JSON.parse(localStorage.getItem(AUTOSAVE_KEY) ?? true);
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setAutoSaveEnabled(autoSavePref);
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setWarnUnsavedChanges(!autoSavePref);
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setHTMLErrors(Markdown.validate(currentBrew.text));
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fetchThemeBundle(setError, setThemeBundle, currentBrew.renderer, currentBrew.theme);
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const handleControlKeys = (e)=>{
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if(!(e.ctrlKey || e.metaKey)) return;
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if(e.keyCode === 83) trySaveRef.current(true);
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if(e.keyCode === 80) printCurrentBrew();
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if([83, 80].includes(e.keyCode)) {
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e.stopPropagation();
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e.preventDefault();
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}
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};
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document.addEventListener('keydown', handleControlKeys);
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window.onbeforeunload = ()=>{
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if(unsavedChangesRef.current)
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return 'You have unsaved changes!';
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};
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return ()=>{
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document.removeEventListener('keydown', handleControlKeys);
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window.onBeforeUnload = null;
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};
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}, []);
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useEffect(()=>{
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trySaveRef.current = trySave;
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unsavedChangesRef.current = unsavedChanges;
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});
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useEffect(()=>{
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const hasChange = !_.isEqual(currentBrew, lastSavedBrew.current);
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setUnsavedChanges(hasChange);
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if(autoSaveEnabled) trySave(false, hasChange);
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}, [currentBrew]);
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const handleSplitMove = ()=>{
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editorRef.current?.update();
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};
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const handleBrewChange = (field)=>(value, subfield)=>{ //'text', 'style', 'snippets', 'metadata'
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if(subfield == 'renderer' || subfield == 'theme')
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fetchThemeBundle(setError, setThemeBundle, value.renderer, value.theme);
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//If there are HTML errors, run the validator on every change to give quick feedback
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if(HTMLErrors.length && (field == 'text' || field == 'snippets'))
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setHTMLErrors(Markdown.validate(value));
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if(field == 'metadata') setCurrentBrew((prev)=>({ ...prev, ...value }));
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else setCurrentBrew((prev)=>({ ...prev, [field]: value }));
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if(useLocalStorage) {
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if(field == 'text') localStorage.setItem(BREWKEY, value);
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if(field == 'style') localStorage.setItem(STYLEKEY, value);
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if(field == 'snippets') localStorage.setItem(SNIPKEY, value);
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if(field == 'metadata') localStorage.setItem(METAKEY, JSON.stringify({
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renderer : value.renderer,
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theme : value.theme,
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lang : value.lang
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}));
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}
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};
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const updateBrew = (newData)=>setCurrentBrew((prevBrew)=>({
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...prevBrew,
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style : newData.style,
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text : newData.text,
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snippets : newData.snippets
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}));
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const resetWarnUnsavedTimer = ()=>{
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setTimeout(()=>setWarnUnsavedChanges(false), UNSAVED_WARNING_POPUP_TIMEOUT); // Hide the warning after 4 seconds
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clearTimeout(warnUnsavedTimeout.current);
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warnUnsavedTimeout.current = setTimeout(()=>setWarnUnsavedChanges(true), UNSAVED_WARNING_TIMEOUT); // 15 minutes between unsaved work warnings
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};
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const handleGoogleClick = ()=>{
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if(!global.account?.googleId) {
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setAlertLoginToTransfer(true);
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return;
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}
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setConfirmGoogleTransfer((prev)=>!prev);
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setError(null);
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};
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const closeAlerts = (e)=>{
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e.stopPropagation(); //Only handle click once so alert doesn't reopen
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setAlertTrashedGoogleBrew(false);
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setAlertLoginToTransfer(false);
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setConfirmGoogleTransfer(false);
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};
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const toggleGoogleStorage = ()=>{
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setSaveGoogle((prev)=>!prev);
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setError(null);
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trySave(true);
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};
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const trySave = (immediate = false, hasChanges = true)=>{
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clearTimeout(saveTimeout.current);
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if(isSaving) return;
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if(!hasChanges && !immediate) return;
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const newTimeout = immediate ? 0 : SAVE_TIMEOUT;
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saveTimeout.current = setTimeout(async ()=>{
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setIsSaving(true);
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setError(null);
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await save(currentBrew, saveGoogle)
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.catch((err)=>{
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setError(err);
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});
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setIsSaving(false);
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setLastSavedTime(new Date());
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if(!autoSaveEnabled) resetWarnUnsavedTimer();
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}, newTimeout);
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};
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const save = async (brew, saveToGoogle)=>{
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setHTMLErrors(Markdown.validate(brew.text));
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await updateHistory(brew).catch(console.error);
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await versionHistoryGarbageCollection().catch(console.error);
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//Prepare content to send to server
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const brewToSave = {
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...brew,
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text : brew.text.normalize('NFC'),
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pageCount : ((brew.renderer === 'legacy' ? brew.text.match(/\\page/g) : brew.text.match(/^\\page$/gm)) || []).length + 1,
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patches : stringifyPatches(makePatches(encodeURI(lastSavedBrew.current.text.normalize('NFC')), encodeURI(brew.text.normalize('NFC')))),
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hash : await md5(lastSavedBrew.current.text),
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textBin : undefined,
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version : lastSavedBrew.current.version
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};
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const compressedBrew = gzipSync(strToU8(JSON.stringify(brewToSave)));
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const transfer = saveToGoogle === _.isNil(brew.googleId);
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const params = transfer ? `?${saveToGoogle ? 'saveToGoogle' : 'removeFromGoogle'}=true` : '';
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const res = await request
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.put(`/api/update/${brewToSave.editId}${params}`)
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.set('Content-Encoding', 'gzip')
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.set('Content-Type', 'application/json')
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.send(compressedBrew)
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.catch((err)=>{
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console.error('Error Updating Local Brew');
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setError(err);
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});
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if(!res) return;
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const updatedFields = {
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googleId : res.body.googleId ?? null,
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editId : res.body.editId,
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shareId : res.body.shareId,
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version : res.body.version
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};
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lastSavedBrew.current = {
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...brew,
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...updatedFields
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};
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setCurrentBrew((prevBrew)=>({
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...prevBrew,
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...updatedFields
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}));
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history.replaceState(null, null, `/edit/${res.body.editId}`);
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};
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const renderGoogleDriveIcon = ()=>(
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<Nav.item className='googleDriveStorage' onClick={handleGoogleClick}>
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<img src={googleDriveIcon} className={saveGoogle ? '' : 'inactive'} alt='Google Drive icon' />
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{confirmGoogleTransfer && (
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<div className='errorContainer' onClick={closeAlerts}>
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{saveGoogle
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? 'Would you like to transfer this brew from your Google Drive storage back to the Homebrewery?'
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: 'Would you like to transfer this brew from the Homebrewery to your personal Google Drive storage?'}
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<br />
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<div className='confirm' onClick={toggleGoogleStorage}> Yes </div>
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<div className='deny'> No </div>
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</div>
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)}
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{alertLoginToTransfer && (
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<div className='errorContainer' onClick={closeAlerts}>
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You must be signed in to a Google account to transfer between the homebrewery and Google Drive!
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<a target='_blank' rel='noopener noreferrer' href={`https://www.naturalcrit.com/login?redirect=${window.location.href}`}>
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<div className='confirm'> Sign In </div>
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</a>
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<div className='deny'> Not Now </div>
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</div>
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)}
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{alertTrashedGoogleBrew && (
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<div className='errorContainer' onClick={closeAlerts}>
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This brew is currently in your Trash folder on Google Drive!<br />
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If you want to keep it, make sure to move it before it is deleted permanently!<br />
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<div className='confirm'> OK </div>
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</div>
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)}
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</Nav.item>
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);
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const renderSaveButton = ()=>{
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// #1 - Currently saving, show SAVING
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if(isSaving)
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return <Nav.item className='save' icon='fas fa-spinner fa-spin'>saving...</Nav.item>;
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// #2 - Unsaved changes exist, autosave is OFF and warning timer has expired, show AUTOSAVE WARNING
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if(unsavedChanges && warnUnsavedChanges) {
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resetWarnUnsavedTimer();
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const elapsedTime = Math.round((new Date() - lastSavedTime) / 1000 / 60);
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const text = elapsedTime === 0
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? 'Autosave is OFF.'
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: `Autosave is OFF, and you haven't saved for ${elapsedTime} minutes.`;
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return <Nav.item className='save error' icon='fas fa-exclamation-circle'>
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Reminder...
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<div className='errorContainer'>{text}</div>
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</Nav.item>;
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}
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// #3 - Unsaved changes exist, click to save, show SAVE NOW
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if(unsavedChanges)
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return <Nav.item className='save' onClick={()=>trySave(true)} color='blue' icon='fas fa-save'>save now</Nav.item>;
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// #4 - No unsaved changes, autosave is ON, show AUTO-SAVED
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if(autoSaveEnabled)
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return <Nav.item className='save saved'>auto-saved</Nav.item>;
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// #5 - No unsaved changes, and has never been saved, hide the button
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if(neverSaved)
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return <Nav.item className='save neverSaved'>save now</Nav.item>;
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// DEFAULT - No unsaved changes, show SAVED
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return <Nav.item className='save saved'>saved</Nav.item>;
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};
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const toggleAutoSave = ()=>{
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clearTimeout(warnUnsavedTimeout.current);
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clearTimeout(saveTimeout.current);
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localStorage.setItem(AUTOSAVE_KEY, JSON.stringify(!autoSaveEnabled));
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setAutoSaveEnabled(!autoSaveEnabled);
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setWarnUnsavedChanges(autoSaveEnabled);
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};
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const renderAutoSaveButton = ()=>(
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<Nav.item onClick={toggleAutoSave}>
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Autosave <i className={autoSaveEnabled ? 'fas fa-power-off active' : 'fas fa-power-off'}></i>
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</Nav.item>
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);
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const clearError = ()=>{
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setError(null);
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setIsSaving(false);
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};
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const renderNavbar = ()=>{
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return <Navbar>
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<Nav.section>
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<Nav.item className='brewTitle'>{currentBrew.title}</Nav.item>
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</Nav.section>
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<Nav.section>
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{renderGoogleDriveIcon()}
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{error
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? <ErrorNavItem error={error} clearError={clearError} />
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: <Nav.dropdown className='save-menu'>
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{renderSaveButton()}
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{renderAutoSaveButton()}
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</Nav.dropdown>}
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<NewBrewItem />
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<PrintNavItem />
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<HelpNavItem />
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<VaultNavItem />
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<ShareNavItem brew={currentBrew} />
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<RecentNavItem brew={currentBrew} storageKey='edit' />
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<AccountNavItem/>
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</Nav.section>
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</Navbar>;
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};
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return (
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<div className='editPage sitePage'>
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<Meta name='robots' content='noindex, nofollow' />
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{renderNavbar()}
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{currentBrew.lock && <LockNotification shareId={currentBrew.shareId} message={currentBrew.lock.editMessage} reviewRequested={currentBrew.lock.reviewRequested}/>}
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<div className='content'>
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<SplitPane onDragFinish={handleSplitMove}>
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<Editor
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ref={editorRef}
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brew={currentBrew}
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onBrewChange={handleBrewChange}
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reportError={setError}
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renderer={currentBrew.renderer}
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userThemes={props.userThemes}
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themeBundle={themeBundle}
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updateBrew={updateBrew}
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onCursorPageChange={setCurrentEditorCursorPageNum}
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onViewPageChange={setCurrentEditorViewPageNum}
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currentEditorViewPageNum={currentEditorViewPageNum}
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currentEditorCursorPageNum={currentEditorCursorPageNum}
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currentBrewRendererPageNum={currentBrewRendererPageNum}
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/>
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<BrewRenderer
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text={currentBrew.text}
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style={currentBrew.style}
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renderer={currentBrew.renderer}
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theme={currentBrew.theme}
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themeBundle={themeBundle}
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errors={HTMLErrors}
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lang={currentBrew.lang}
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onPageChange={setCurrentBrewRendererPageNum}
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currentEditorViewPageNum={currentEditorViewPageNum}
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currentEditorCursorPageNum={currentEditorCursorPageNum}
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currentBrewRendererPageNum={currentBrewRendererPageNum}
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allowPrint={true}
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/>
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</SplitPane>
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</div>
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</div>
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);
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};
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module.exports = EditPage;
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