From c04cd3b71e0553ff75d0937a1ee4c9b93886e56e Mon Sep 17 00:00:00 2001
From: icarus <eurfelux@gmail.com>
Date: Fri, 22 Aug 2025 19:18:09 +0800
Subject: [PATCH] =?UTF-8?q?feat(fs):=20=E6=B7=BB=E5=8A=A0=E8=87=AA?=
 =?UTF-8?q?=E5=8A=A8=E8=AF=86=E5=88=AB=E7=BC=96=E7=A0=81=E8=AF=BB=E5=8F=96?=
 =?UTF-8?q?=E6=96=87=E6=9C=AC=E6=96=87=E4=BB=B6=E5=8A=9F=E8=83=BD?=
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Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

实现通过自动检测文件编码来读取文本文件的功能
在IPC通道、预加载API和文件服务中添加相关方法
---
 packages/shared/IpcChannel.ts          |  1 +
 src/main/ipc.ts                        |  1 +
 src/main/services/FileSystemService.ts | 12 ++++++++++++
 src/main/utils/file.ts                 |  1 +
 src/preload/index.ts                   |  3 ++-
 5 files changed, 17 insertions(+), 1 deletion(-)

diff --git a/packages/shared/IpcChannel.ts b/packages/shared/IpcChannel.ts
index f35db50bc6..f2b856ef1d 100644
--- a/packages/shared/IpcChannel.ts
+++ b/packages/shared/IpcChannel.ts
@@ -156,6 +156,7 @@ export enum IpcChannel {
   File_Base64File = 'file:base64File',
   File_GetPdfInfo = 'file:getPdfInfo',
   Fs_Read = 'fs:read',
+  Fs_ReadText = 'fs:readText',
   File_OpenWithRelativePath = 'file:openWithRelativePath',
   File_IsTextFile = 'file:isTextFile',
 
diff --git a/src/main/ipc.ts b/src/main/ipc.ts
index 8765ca0025..036cdef046 100644
--- a/src/main/ipc.ts
+++ b/src/main/ipc.ts
@@ -470,6 +470,7 @@ export function registerIpc(mainWindow: BrowserWindow, app: Electron.App) {
 
   // fs
   ipcMain.handle(IpcChannel.Fs_Read, FileService.readFile.bind(FileService))
+  ipcMain.handle(IpcChannel.Fs_ReadText, FileService.readTextFileWithAutoEncoding.bind(FileService))
 
   // export
   ipcMain.handle(IpcChannel.Export_Word, exportService.exportToWord.bind(exportService))
diff --git a/src/main/services/FileSystemService.ts b/src/main/services/FileSystemService.ts
index 47e897e15b..2cd0d5aeb6 100644
--- a/src/main/services/FileSystemService.ts
+++ b/src/main/services/FileSystemService.ts
@@ -1,3 +1,4 @@
+import { readTextFileWithAutoEncoding } from '@main/utils/file'
 import { TraceMethod } from '@mcp-trace/trace-core'
 import fs from 'fs/promises'
 
@@ -8,4 +9,15 @@ export default class FileService {
     if (encoding) return fs.readFile(path, { encoding })
     return fs.readFile(path)
   }
+
+  /**
+   * 自动识别编码，读取文本文件
+   * @param _ event
+   * @param pathOrUrl
+   * @throws 路径不存在时抛出错误
+   */
+  @TraceMethod({ spanName: 'readTextFileWithAutoEncoding', tag: 'FileService' })
+  public static async readTextFileWithAutoEncoding(_: Electron.IpcMainInvokeEvent, path: string): Promise<string> {
+    return readTextFileWithAutoEncoding(path)
+  }
 }
diff --git a/src/main/utils/file.ts b/src/main/utils/file.ts
index dc6af193f8..150a28eaca 100644
--- a/src/main/utils/file.ts
+++ b/src/main/utils/file.ts
@@ -168,6 +168,7 @@ export function getMcpDir() {
  * 读取文件内容并自动检测编码格式进行解码
  * @param filePath - 文件路径
  * @returns 解码后的文件内容
+ * @throws 如果路径不存在抛出错误
  */
 export async function readTextFileWithAutoEncoding(filePath: string): Promise<string> {
   const encoding = (await chardet.detectFile(filePath, { sampleSize: MB })) || 'UTF-8'
diff --git a/src/preload/index.ts b/src/preload/index.ts
index 46a64b01f8..6d09efd73b 100644
--- a/src/preload/index.ts
+++ b/src/preload/index.ts
@@ -176,7 +176,8 @@ const api = {
     isTextFile: (filePath: string): Promise<boolean> => ipcRenderer.invoke(IpcChannel.File_IsTextFile, filePath)
   },
   fs: {
-    read: (pathOrUrl: string, encoding?: BufferEncoding) => ipcRenderer.invoke(IpcChannel.Fs_Read, pathOrUrl, encoding)
+    read: (pathOrUrl: string, encoding?: BufferEncoding) => ipcRenderer.invoke(IpcChannel.Fs_Read, pathOrUrl, encoding),
+    readText: (pathOrUrl: string): Promise<string> => ipcRenderer.invoke(IpcChannel.Fs_ReadText, pathOrUrl)
   },
   export: {
     toWord: (markdown: string, fileName: string) => ipcRenderer.invoke(IpcChannel.Export_Word, markdown, fileName)