refactor: Extract file path utility functions

Move hardcoded file path generation logic to dedicated utility functions in file.ts, improving code modularity and reducing duplication across services and IPC handlers

src/main/ipc.ts

@@ -1,5 +1,4 @@
 import fs from 'node:fs'
-import path from 'node:path'
 
 import { MCPServer, Shortcut, ThemeMode } from '@types'
 import { BrowserWindow, ipcMain, ProxyConfig, session, shell } from 'electron'
@@ -20,6 +19,7 @@ import { TrayService } from './services/TrayService'
 import { windowService } from './services/WindowService'
 import { getResourcePath } from './utils'
 import { decrypt, encrypt } from './utils/aes'
+import { getFilesDir } from './utils/file'
 import { compress, decompress } from './utils/zip'
 
 const fileManager = new FileStorage()
@@ -34,7 +34,7 @@ export function registerIpc(mainWindow: BrowserWindow, app: Electron.App) {
     version: app.getVersion(),
     isPackaged: app.isPackaged,
     appPath: app.getAppPath(),
-    filesPath: path.join(app.getPath('userData'), 'Data', 'Files'),
+    filesPath: getFilesDir(),
     appDataPath: app.getPath('userData'),
     resourcesPath: getResourcePath(),
     logsPath: log.transports.file.getFile().path

src/main/services/FileStorage.ts

@@ -1,9 +1,8 @@
-import { getFileType } from '@main/utils/file'
+import { getFilesDir, getFileType, getTempDir } from '@main/utils/file'
 import { documentExts, imageExts } from '@shared/config/constant'
 import { FileType } from '@types'
 import * as crypto from 'crypto'
 import {
-  app,
   dialog,
   OpenDialogOptions,
   OpenDialogReturnValue,
@@ -21,8 +20,8 @@ import { chdir } from 'process'
 import { v4 as uuidv4 } from 'uuid'
 
 class FileStorage {
-  private storageDir = path.join(app.getPath('userData'), 'Data', 'Files')
-  private tempDir = path.join(app.getPath('temp'), 'CherryStudio')
+  private storageDir = getFilesDir()
+  private tempDir = getTempDir()
 
   constructor() {
     this.initStorageDir()

src/main/services/WindowService.ts

@@ -1,9 +1,10 @@
 import { is } from '@electron-toolkit/utils'
 import { isLinux, isWin } from '@main/constant'
+import { getFilesDir } from '@main/utils/file'
 import { app, BrowserWindow, ipcMain, Menu, MenuItem, shell } from 'electron'
 import Logger from 'electron-log'
 import windowStateKeeper from 'electron-window-state'
-import path, { join } from 'path'
+import { join } from 'path'
 
 import icon from '../../../build/icon.png?asset'
 import { titleBarOverlayDark, titleBarOverlayLight } from '../config'
@@ -196,7 +197,7 @@ export class WindowService {
 
       if (url.includes('http://file/')) {
         const fileName = url.replace('http://file/', '')
-        const storageDir = path.join(app.getPath('userData'), 'Data', 'Files')
+        const storageDir = getFilesDir()
         const filePath = storageDir + '/' + fileName
         shell.openPath(filePath).catch((err) => Logger.error('Failed to open file:', err))
       } else {

src/main/utils/file.ts

@@ -3,6 +3,7 @@ import path from 'node:path'
 
 import { audioExts, documentExts, imageExts, textExts, videoExts } from '@shared/config/constant'
 import { FileType, FileTypes } from '@types'
+import { app } from 'electron'
 import { v4 as uuidv4 } from 'uuid'
 
 export function getFileType(ext: string): FileTypes {
@@ -14,6 +15,7 @@ export function getFileType(ext: string): FileTypes {
   if (documentExts.includes(ext)) return FileTypes.DOCUMENT
   return FileTypes.OTHER
 }
+
 export function getAllFiles(dirPath: string, arrayOfFiles: FileType[] = []): FileType[] {
   const files = fs.readdirSync(dirPath)
 
@@ -54,3 +56,11 @@ export function getAllFiles(dirPath: string, arrayOfFiles: FileType[] = []): Fil
 
   return arrayOfFiles
 }
+
+export function getTempDir() {
+  return path.join(app.getPath('temp'), 'CherryStudio')
+}
+
+export function getFilesDir() {
+  return path.join(app.getPath('userData'), 'Data', 'Files')
+}