mirror of
https://github.com/heyman/heynote.git
synced 2024-12-13 10:11:10 +01:00
344 lines
11 KiB
JavaScript
344 lines
11 KiB
JavaScript
import fs from "fs"
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import os from "node:os"
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import { join, basename } from "path"
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import * as jetpack from "fs-jetpack";
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import { app, ipcMain, dialog } from "electron"
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import CONFIG from "../config"
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import { SCRATCH_FILE_NAME } from "../../src/common/constants"
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import { NoteFormat } from "../../src/common/note-format"
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import { isDev } from '../detect-platform';
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import { initialContent, initialDevContent } from '../initial-content'
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export const NOTES_DIR_NAME = isDev ? "notes-dev" : "notes"
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let library
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const untildify = (pathWithTilde) => {
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const homeDir = os.homedir()
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return homeDir ? pathWithTilde.replace(/^~(?=$|\/|\\)/, homeDir) : pathWithTilde
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}
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async function readNoteMetadata(filePath) {
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const chunks = []
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for await (let chunk of fs.createReadStream(filePath, { start: 0, end:4000 })) {
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chunks.push(chunk)
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}
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const headContent = Buffer.concat(chunks).toString("utf8")
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const firstSeparator = headContent.indexOf("\n∞∞∞")
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if (firstSeparator === -1) {
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return null
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}
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try {
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const metadata = JSON.parse(headContent.slice(0, firstSeparator).trim())
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return {"name": metadata.name, "tags": metadata.tags}
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} catch (e) {
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return {}
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}
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}
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export class FileLibrary {
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constructor(basePath) {
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basePath = untildify(basePath)
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if (jetpack.exists(basePath) !== "dir") {
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throw new Error(`Path directory does not exist: ${basePath}`)
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}
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this.basePath = fs.realpathSync(basePath)
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this.jetpack = jetpack.cwd(this.basePath)
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this.files = {};
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this.watcher = null;
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this.contentSaved = false
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this.onChangeCallback = null
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// create scratch.txt if it doesn't exist
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if (!this.jetpack.exists(SCRATCH_FILE_NAME)) {
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this.jetpack.write(SCRATCH_FILE_NAME, isDev ? initialDevContent : initialContent)
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}
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}
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async exists(path) {
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return this.jetpack.exists(path) === "file"
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}
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async load(path) {
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if (this.files[path]) {
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return this.files[path].read()
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}
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const fullPath = fs.realpathSync(join(this.basePath, path))
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this.files[path] = new NoteBuffer({fullPath, library:this})
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return await this.files[path].read()
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}
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async save(path, content) {
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if (!this.files[path]) {
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throw new Error(`File not loaded: ${path}`)
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}
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return await this.files[path].save(content)
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}
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async create(path, content) {
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if (await this.exists(path)) {
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throw new Error(`File already exists: ${path}`)
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}
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const fullPath = join(this.basePath, path)
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await this.jetpack.writeAsync(fullPath, content)
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}
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async move(path, newPath) {
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if (await this.exists(newPath)) {
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throw new Error(`File already exists: ${newPath}`)
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}
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const fullOldPath = join(this.basePath, path)
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const fullNewPath = join(this.basePath, newPath)
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await this.jetpack.moveAsync(fullOldPath, fullNewPath)
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}
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async delete(path) {
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if (path === SCRATCH_FILE_NAME) {
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throw new Error("Can't delete scratch file")
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}
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const fullPath = join(this.basePath, path)
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await this.jetpack.removeAsync(fullPath)
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}
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async getList() {
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//console.log("Listing notes")
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const notes = {}
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const files = await this.jetpack.findAsync(".", {
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matching: "*.txt",
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recursive: true,
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})
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const promises = []
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for (const file of files) {
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promises.push(readNoteMetadata(join(this.basePath, file)))
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}
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const metadataList = await Promise.all(promises)
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metadataList.forEach((metadata, i) => {
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const path = files[i]
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notes[path] = metadata
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})
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return notes
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}
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async getDirectoryList() {
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const directories = await this.jetpack.findAsync("", {
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files: false,
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directories: true,
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recursive: true,
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})
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return directories
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}
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setupWatcher(win) {
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if (!this.watcher) {
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this.watcher = fs.watch(
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this.basePath,
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{
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persistent: true,
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recursive: true,
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encoding: "utf8",
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},
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async (eventType, changedPath) => {
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//console.log("File changed", eventType, changedPath)
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//if (changedPath.toLowerCase().endsWith(".txt")) {
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// console.log("txt", this.notes)
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// if (await this.exists(changedPath)) {
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// console.log("file exists!")
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// const newMetadata = await readNoteMetadata(join(this.basePath, changedPath))
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// if (!(changedPath in this.notes) || newMetadata.name !== this.notes[changedPath].name) {
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// this.notes[changedPath] = newMetadata
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// win.webContents.send("buffer:noteMetadataChanged", changedPath, newMetadata)
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// console.log("metadata changed")
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// } else {
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// console.log("no metadata change")
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// }
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// } else if (changedPath in this.notes) {
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// console.log("note removed", changedPath)
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// delete this.notes[changedPath]
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// win.webContents.send("buffer:noteRemoved", changedPath)
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// }
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//}
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for (const [path, buffer] of Object.entries(this.files)) {
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if (changedPath === basename(path)) {
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const content = await buffer.read()
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if (buffer._lastSavedContent !== content) {
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win.webContents.send("buffer:change", path, content)
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}
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}
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}
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}
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)
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}
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}
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closeFile(path) {
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if (this.files[path]) {
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delete this.files[path]
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}
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}
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close() {
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for (const buffer of Object.values(this.files)) {
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this.closeFile(buffer.filePath)
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}
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this.stopWatcher()
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}
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stopWatcher() {
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if (this.watcher) {
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this.watcher.close()
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this.watcher = null
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}
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}
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}
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export class NoteBuffer {
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constructor({fullPath, library}) {
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this.fullPath = fullPath
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this._lastSavedContent = null
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this.library = library
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}
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async read() {
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return await this.library.jetpack.read(this.fullPath, 'utf8')
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}
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async save(content) {
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this._lastSavedContent = content
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const saveResult = await this.library.jetpack.write(this.fullPath, content, {
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atomic: true,
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mode: '600',
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})
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return saveResult
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}
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exists() {
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return jetpack.exists(this.fullPath) === "file"
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}
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}
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export function setCurrentFileLibrary(lib) {
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library = lib
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}
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export function setupFileLibraryEventHandlers(win) {
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ipcMain.handle('buffer:load', async (event, path) => {
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//console.log("buffer:load", path)
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return await library.load(path)
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});
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ipcMain.handle('buffer:save', async (event, path, content) => {
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return await library.save(path, content)
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});
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ipcMain.handle('buffer:create', async (event, path, content) => {
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return await library.create(path, content)
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});
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ipcMain.handle('buffer:getList', async (event) => {
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return await library.getList()
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});
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ipcMain.handle('buffer:getDirectoryList', async (event) => {
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return await library.getDirectoryList()
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});
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ipcMain.handle('buffer:exists', async (event, path) => {
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return await library.exists(path)
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});
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ipcMain.handle('buffer:close', async (event, path) => {
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return await library.closeFile(path)
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});
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ipcMain.handle('buffer:saveAndQuit', async (event, contents) => {
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library.stopWatcher()
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for (const [path, content] of contents) {
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await library.save(path, content)
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}
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library.contentSaved = true
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app.quit()
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})
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ipcMain.handle('buffer:move', async (event, path, newPath) => {
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return await library.move(path, newPath)
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});
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ipcMain.handle('buffer:delete', async (event, path) => {
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return await library.delete(path)
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});
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ipcMain.handle("library:selectLocation", async () => {
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let result = await dialog.showOpenDialog({
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title: "Select directory to store buffer",
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properties: [
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"openDirectory",
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"createDirectory",
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"noResolveAliases",
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],
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})
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if (result.canceled) {
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return
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}
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const filePath = result.filePaths[0]
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return filePath
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})
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}
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export async function migrateBufferFileToLibrary(app) {
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async function ensureBufferFileMetadata(filePath) {
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const metadata = await readNoteMetadata(filePath)
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//console.log("Metadata", metadata)
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if (!metadata || !metadata.name) {
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console.log("Adding metadata to", filePath)
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const note = NoteFormat.load(jetpack.read(filePath))
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note.metadata.name = "Scratch"
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jetpack.write(filePath, note.serialize())
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} else {
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console.log("Metadata already exists for", filePath)
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}
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}
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const defaultLibraryPath = join(app.getPath("userData"), NOTES_DIR_NAME)
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const customBufferPath = CONFIG.get("settings.bufferPath")
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const oldBufferFile = isDev ? "buffer-dev.txt" : "buffer.txt"
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if (customBufferPath) {
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// if the new buffer file exists, no need to migrate
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if (jetpack.exists(join(customBufferPath, SCRATCH_FILE_NAME)) === "file") {
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return
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}
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const oldBufferFileFullPath = join(customBufferPath, oldBufferFile)
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if (jetpack.exists(oldBufferFileFullPath) === "file") {
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const newFileFullPath = join(customBufferPath, SCRATCH_FILE_NAME);
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console.log(`Migrating file ${oldBufferFileFullPath} to ${newFileFullPath}`)
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// rename buffer file to scratch.txt
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jetpack.move(oldBufferFileFullPath, newFileFullPath)
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// add metadata to scratch.txt (just to be sure, we'll double check that it's needed first)
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await ensureBufferFileMetadata(newFileFullPath)
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}
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} else {
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// if the new buffer file exists, no need to migrate
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if (jetpack.exists(join(defaultLibraryPath, SCRATCH_FILE_NAME)) === "file") {
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return
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}
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// check if the old buffer file exists, while the default *library* path doesn't exist
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const oldBufferFileFullPath = join(app.getPath("userData"), oldBufferFile)
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if (jetpack.exists(oldBufferFileFullPath) === "file" && jetpack.exists(defaultLibraryPath) !== "dir") {
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const newFileFullPath = join(defaultLibraryPath, SCRATCH_FILE_NAME);
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console.log(`Migrating buffer file ${oldBufferFileFullPath} to ${newFileFullPath}`)
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// create the default library path
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jetpack.dir(defaultLibraryPath)
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// move the buffer file to the library path
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jetpack.move(oldBufferFileFullPath, newFileFullPath)
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// add metadata to scratch.txt
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await ensureBufferFileMetadata(newFileFullPath)
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}
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}
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} |