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WIP (remove this commit!): multi notes support
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,166 @@ | ||
| import fs from "fs" | ||
| import os from "node:os" | ||
| import { join, dirname, basename } from "path" | ||
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| import * as jetpack from "fs-jetpack"; | ||
| import { app, ipcMain, dialog } from "electron" | ||
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| const untildify = (pathWithTilde) => { | ||
| const homeDir = os.homedir() | ||
| return homeDir ? pathWithTilde.replace(/^~(?=$|\/|\\)/, homeDir) : pathWithTilde | ||
| } | ||
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| export class FileLibrary { | ||
| constructor(basePath) { | ||
| this.basePath = fs.realpathSync(untildify(basePath)) | ||
| this.jetpack = jetpack.cwd(this.basePath) | ||
| this.files = {}; | ||
| this.watcher = null; | ||
| this.contentSaved = false | ||
| this.onChangeCallback = null | ||
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| if (jetpack.exists(this.basePath) !== "dir") { | ||
| throw new Error(`Invalid base path: ${this.basePath}`) | ||
| } | ||
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| this.setupWatcher() | ||
| } | ||
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| async exists(path) { | ||
| return this.jetpack.exists(path) === "file" | ||
| } | ||
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| async load(path) { | ||
| if (this.files[path]) { | ||
| return this.files[path].read() | ||
| } | ||
| const fullPath = fs.realpathSync(join(this.basePath, path)) | ||
| this.files[path] = new Buffer({fullPath, library:this}) | ||
| return await this.files[path].read() | ||
| } | ||
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| async save(path, content) { | ||
| if (!this.files[path]) { | ||
| throw new Error(`File not loaded: ${path}`) | ||
| } | ||
| return await this.files[path].save(content) | ||
| } | ||
|
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| async listFiles() { | ||
| return await this.jetpack.findAsync(this.basePath, { | ||
| matching: "*.txt", | ||
| recursive: true, | ||
| }) | ||
| } | ||
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| setupWatcher() { | ||
| if (!this.watcher) { | ||
| this.watcher = fs.watch( | ||
| this.basePath, | ||
| { | ||
| persistent: true, | ||
| recursive: true, | ||
| encoding: "utf8", | ||
| }, | ||
| async (eventType, changedPath) => { | ||
| console.log("File changed", eventType, changedPath) | ||
| for (const [path, buffer] of Object.entries(this.files)) { | ||
| if (changedPath === basename(path)) { | ||
| const content = await buffer.read() | ||
| if (buffer._lastSavedContent !== content) { | ||
| this.onChangeCallback(path, content) | ||
| } | ||
| } | ||
| } | ||
| } | ||
| ) | ||
| } | ||
| } | ||
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| closeFile(path) { | ||
| if (this.files[path]) { | ||
| delete this.files[path] | ||
| } | ||
| } | ||
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| close() { | ||
| for (const buffer of Object.values(this.files)) { | ||
| this.closeFile(buffer.filePath) | ||
| } | ||
| this.stopWatcher() | ||
| } | ||
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| stopWatcher() { | ||
| if (this.watcher) { | ||
| this.watcher.close() | ||
| this.watcher = null | ||
| } | ||
| } | ||
| } | ||
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| export class Buffer { | ||
| constructor({fullPath, library}) { | ||
| this.fullPath = fullPath | ||
| this._lastSavedContent = null | ||
| this.library = library | ||
| } | ||
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| async read() { | ||
| return await this.library.jetpack.read(this.fullPath, 'utf8') | ||
| } | ||
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| async save(content) { | ||
| this._lastSavedContent = content | ||
| const saveResult = await this.library.jetpack.write(this.fullPath, content, { | ||
| atomic: true, | ||
| mode: '600', | ||
| }) | ||
| return saveResult | ||
| } | ||
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| exists() { | ||
| return jetpack.exists(this.fullPath) === "file" | ||
| } | ||
| } | ||
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| export function setupFileLibraryEventHandlers(library, win) { | ||
| ipcMain.handle('buffer:load', async (event, path) => { | ||
| console.log("buffer:load", path) | ||
| return await library.load(path) | ||
| }); | ||
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| ipcMain.handle('buffer:save', async (event, path, content) => { | ||
| return await library.save(path, content) | ||
| }); | ||
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| ipcMain.handle('buffer:listFiles', async (event) => { | ||
| return await library.listFiles() | ||
| }); | ||
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| ipcMain.handle('buffer:exists', async (event, path) => { | ||
| return await library.exists(path) | ||
| }); | ||
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| ipcMain.handle('buffer:close', async (event, path) => { | ||
| return await library.closeFile(path) | ||
| }); | ||
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| ipcMain.handle('buffer:saveAndQuit', async (event, contents) => { | ||
| library.stopWatcher() | ||
| for (const [path, content] of contents) { | ||
| await library.save(path, content) | ||
| } | ||
| library.contentSaved = true | ||
| app.quit() | ||
| }) | ||
|
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| library.onChangeCallback = (path, content) => { | ||
| win.webContents.send("buffer:change", path, content) | ||
| } | ||
| } |
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