| 1 | // This file is part of HFS - Copyright 2021-2023, Massimo Melina <a@rejetto.com> - License https://www.gnu.org/licenses/gpl-3.0.txt |
| 2 | |
| 3 | import { proxy, useSnapshot } from 'valtio' |
| 4 | import { Dict } from './misc' |
| 5 | import { reindexVfs, VfsNodeAdmin } from './VfsPage' |
| 6 | import _ from 'lodash' |
| 7 | import { subscribeKey } from 'valtio/utils' |
| 8 | import { produce } from 'immer' |
| 9 | |
| 10 | const STORAGE_KEY = 'admin_state' |
| 11 | const INIT = { |
| 12 | title: '', |
| 13 | config: {} as Dict, |
| 14 | selectedFiles: [] as VfsNodeAdmin[], |
| 15 | vfsShowDiskContentFor: '', |
| 16 | accountsAsTree: false, |
| 17 | movingFile: '', |
| 18 | vfs: undefined as VfsNodeAdmin | undefined, |
| 19 | vfsUndo: undefined as VfsNodeAdmin | undefined, |
| 20 | vfsModified: false, |
| 21 | expanded: [] as string[], |
| 22 | loginRequired: false as boolean | number, |
| 23 | username: '', |
| 24 | monitorOnlyFiles: true, |
| 25 | monitorWithLog: true, |
| 26 | customHtmlSection: '', |
| 27 | darkTheme: undefined as undefined | boolean, |
| 28 | dataTablePersistence: {} as any, |
| 29 | hideRandomPlugin: false, |
| 30 | onlinePluginsColumns: { |
| 31 | version: false, |
| 32 | pushed_at: false, |
| 33 | license: false, |
| 34 | } as Dict<boolean> |
| 35 | } |
| 36 | Object.assign(INIT, JSON.parse(localStorage[STORAGE_KEY]||null)) |
| 37 | export const state = proxy(INIT) |
| 38 | Object.assign(window, { state }) |
| 39 | |
| 40 | const SETTINGS_TO_STORE: (keyof typeof state)[] = ['onlinePluginsColumns', 'monitorOnlyFiles', 'monitorWithLog', |
| 41 | 'customHtmlSection', 'darkTheme', 'dataTablePersistence', 'accountsAsTree', 'hideRandomPlugin'] |
| 42 | const storeSettings = _.debounce(() => |
| 43 | localStorage[STORAGE_KEY] = JSON.stringify(_.pick(state, SETTINGS_TO_STORE)), 500, { maxWait: 1000 }) |
| 44 | for (const k of SETTINGS_TO_STORE) |
| 45 | subscribeKey(state, k, storeSettings) |
| 46 | |
| 47 | export function useSnapState() { |
| 48 | return useSnapshot(state) |
| 49 | } |
| 50 | |
| 51 | export function markVfsModified() { |
| 52 | state.vfs = { ...state.vfs! } |
| 53 | state.vfsModified = true |
| 54 | reindexVfs() |
| 55 | } |
| 56 | |
| 57 | export function prepareVfsUndo() { |
| 58 | if (!state.vfs) return |
| 59 | state.vfsUndo = cloneVfs(state.vfs) |
| 60 | } |
| 61 | |
| 62 | export function undoVfs() { |
| 63 | if (!state.vfs || !state.vfsUndo) return |
| 64 | // Swap current/snapshot so pressing undo again restores the state we just replaced (single-level redo behavior). |
| 65 | const current = cloneVfs(state.vfs) |
| 66 | state.vfs = state.vfsUndo |
| 67 | state.vfsUndo = current |
| 68 | state.vfsModified = true |
| 69 | reindexVfs() |
| 70 | } |
| 71 | |
| 72 | // use this to reflect a deep change in an object to its root, so that valtio is triggered |
| 73 | export function updateStateObject(obj: any, k: string, cb: (x: any) => void) { |
| 74 | obj[k] = produce(obj[k], cb) |
| 75 | } |
| 76 | |
| 77 | function cloneVfs(node: VfsNodeAdmin): VfsNodeAdmin { |
| 78 | const { parent, children, ...rest } = node |
| 79 | // Parent links create cycles in the live tree; omit them so snapshots can be cloned and restored safely. |
| 80 | const copy = _.cloneDeep(rest) as VfsNodeAdmin |
| 81 | if (children) |
| 82 | copy.children = children.map(cloneVfs) |
| 83 | return copy |
| 84 | } |