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WIP: Implement support for multiple notes
Refactor Vue <-> Editor <-> CodeMirror code. Introduce Pinia store to keep global state, in order to get rid of a lot of event juggling between Editor class/child components and the root App component.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,210 @@ | ||
| 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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| async function readNoteMetadata(filePath) { | ||
| const chunks = [] | ||
| for await (let chunk of fs.createReadStream(filePath, { start: 0, end:4000 })) { | ||
| chunks.push(chunk) | ||
| } | ||
| const headContent = Buffer.concat(chunks).toString("utf8") | ||
| const firstSeparator = headContent.indexOf("\n∞∞∞") | ||
| if (firstSeparator === -1) { | ||
| return null | ||
| } | ||
| try { | ||
| const metadata = JSON.parse(headContent.slice(0, firstSeparator).trim()) | ||
| return {"name": metadata.name, "tags": metadata.tags} | ||
| } catch (e) { | ||
| return {} | ||
| } | ||
| } | ||
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| export class FileLibrary { | ||
| constructor(basePath) { | ||
| basePath = untildify(basePath) | ||
| if (jetpack.exists(basePath) !== "dir") { | ||
| throw new Error(`Path directory does not exist: ${basePath}`) | ||
| } | ||
| this.basePath = fs.realpathSync(basePath) | ||
| this.jetpack = jetpack.cwd(this.basePath) | ||
| this.files = {}; | ||
| this.watcher = null; | ||
| this.contentSaved = false | ||
| this.onChangeCallback = null | ||
| } | ||
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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 NoteBuffer({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 getList() { | ||
| console.log("Loading notes") | ||
| const notes = {} | ||
| const files = await this.jetpack.findAsync(this.basePath, { | ||
| matching: "*.txt", | ||
| recursive: true, | ||
| }) | ||
| const promises = [] | ||
| for (const file of files) { | ||
| promises.push(readNoteMetadata(join(this.basePath, file))) | ||
| } | ||
| const metadataList = await Promise.all(promises) | ||
| metadataList.forEach((metadata, i) => { | ||
| const path = files[i] | ||
| notes[path] = metadata | ||
| }) | ||
| return notes | ||
| } | ||
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| setupWatcher(win) { | ||
| if (!this.watcher) { | ||
| this.watcher = fs.watch( | ||
| this.basePath, | ||
| { | ||
| persistent: true, | ||
| recursive: true, | ||
| encoding: "utf8", | ||
| }, | ||
| async (eventType, changedPath) => { | ||
| console.log("File changed", eventType, changedPath) | ||
| //if (changedPath.toLowerCase().endsWith(".txt")) { | ||
| // console.log("txt", this.notes) | ||
| // if (await this.exists(changedPath)) { | ||
| // console.log("file exists!") | ||
| // const newMetadata = await readNoteMetadata(join(this.basePath, changedPath)) | ||
| // if (!(changedPath in this.notes) || newMetadata.name !== this.notes[changedPath].name) { | ||
| // this.notes[changedPath] = newMetadata | ||
| // win.webContents.send("buffer:noteMetadataChanged", changedPath, newMetadata) | ||
| // console.log("metadata changed") | ||
| // } else { | ||
| // console.log("no metadata change") | ||
| // } | ||
| // } else if (changedPath in this.notes) { | ||
| // console.log("note removed", changedPath) | ||
| // delete this.notes[changedPath] | ||
| // win.webContents.send("buffer:noteRemoved", changedPath) | ||
| // } | ||
| //} | ||
| for (const [path, buffer] of Object.entries(this.files)) { | ||
| if (changedPath === basename(path)) { | ||
| const content = await buffer.read() | ||
| if (buffer._lastSavedContent !== content) { | ||
| win.webContents.send("buffer:change", 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 NoteBuffer { | ||
| 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:getList', async (event) => { | ||
| return await library.getList() | ||
| }); | ||
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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.setupWatcher(win) | ||
| } |
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