feat: save preference to config file

frontend/src/App.tsx

@@ -43,6 +43,7 @@ import {
 
 import { Status, Item, SaveTo } from './types'
 import { SelectFiles, SelectFolder, ProcessFiles } from '../wailsjs/go/main/App'
+import { Load, Save } from '../wailsjs/go/utils/ConfigManager'
 import { main } from '../wailsjs/go/models'
 import { EventsOn, OnFileDrop } from '../wailsjs/runtime/runtime'
 
@@ -81,10 +82,6 @@ export const App = () => {
     return items.some(item => item.status === 'processing')
   }, [items])
 
-  const isProcessFinished = useMemo(() => {
-    return items.every(item => item.status === 'done' || item.status === 'error')
-  }, [items])
-
   const [saveTo, setSaveTo] = useState<SaveTo>('original')
   const [savePath, setSavePath] = useState('')
 
@@ -179,6 +176,10 @@ export const App = () => {
       showDialog('当前文件列表已全部处理完毕，请重新添加新的文件。')
       return
     }
+    if(saveTo === 'custom' && savePath === '') {
+      showDialog('保存路径为空，请先设置保存路径。')
+      return
+    }
     const ncmFiles: main.NcmFile[] = []
     items.forEach(item => {
       ncmFiles.push({
@@ -197,8 +198,20 @@ export const App = () => {
         return newItems
       })
     })
+    Load().then(res => {
+      console.log(res)
+      setSaveTo(res.save_to as SaveTo)
+      setSavePath(res.path)
+    })
   }, [])
 
+  useEffect(() => {
+    Save({
+      save_to: saveTo,
+      path: savePath,
+    }).then(_ => {})
+  }, [saveTo, savePath])
+
   OnFileDrop((_x, _y, paths) => {
     let length = paths.length
     for (const path of paths) {

main.go

@@ -6,6 +6,8 @@ import (
 	"github.com/wailsapp/wails/v2"
 	"github.com/wailsapp/wails/v2/pkg/options"
 	"github.com/wailsapp/wails/v2/pkg/options/assetserver"
+
+	"git.taurusxin.com/taurusxin/ncmdump-gui/utils"
 )
 
 //go:embed all:frontend/dist
@@ -15,8 +17,13 @@ func main() {
 	// Create an instance of the app structure
 	app := NewApp()
 
+	config_manager, err := utils.NewConfigManager("config.json")
+	if err != nil {
+		return
+	}
+
 	// Create application with options
-	err := wails.Run(&options.App{
+	err = wails.Run(&options.App{
 		Title:  "ncmdump-gui",
 		Width:  750,
 		Height: 500,
@@ -27,6 +34,7 @@ func main() {
 		OnStartup:        app.startup,
 		Bind: []interface{}{
 			app,
+			config_manager,
 		},
 		DragAndDrop: &options.DragAndDrop{
 			EnableFileDrop: true,

utils/config_manager.go

@@ -0,0 +1,83 @@
+package utils
+
+import (
+	"encoding/json"
+	"fmt"
+	"os"
+	"path/filepath"
+)
+
+type SaveToType = string
+
+const (
+	Original SaveToType = "original"
+	Custom   SaveToType = "custom"
+)
+
+type Preference struct {
+	SaveTo SaveToType  `json:"save_to"`
+	Path   string       `json:"path"`
+}
+
+type ConfigManager struct {
+	FilePath string
+}
+
+// NewConfigManager 创建一个新的配置管理器，自动适配不同操作系统的用户目录
+func NewConfigManager(filename string) (*ConfigManager, error) {
+	configDir, err := os.UserConfigDir() // 获取用户配置目录
+	if err != nil {
+		return nil, err
+	}
+
+	dirPath := filepath.Join(configDir, "ncmdump-gui")
+	err = os.MkdirAll(dirPath, os.ModePerm)
+	if err != nil {
+		return nil, err
+	}
+
+	filePath := filepath.Join(dirPath, filename)
+
+	configManager := &ConfigManager{FilePath: filePath}
+	// if not exist, create it with default value
+	if _, err := os.Stat(filePath); os.IsNotExist(err) {
+		defaultConfig := &Preference{
+			SaveTo: Original,
+			Path:   "",
+		}
+		configManager.Save(defaultConfig)
+	}
+	return &ConfigManager{FilePath: filePath}, nil
+}
+
+// Save 将配置保存到文件
+func (cm *ConfigManager) Save(preference *Preference) bool {
+	file, err := os.Create(cm.FilePath)
+	if err != nil {
+		return false
+	}
+	defer file.Close()
+
+	encoder := json.NewEncoder(file)
+	encoder.SetIndent("", "  ") // 格式化输出
+	err = encoder.Encode(preference)
+	return err == nil
+}
+
+// Load 从文件读取配置
+func (cm *ConfigManager) Load() *Preference {
+	file, err := os.Open(cm.FilePath)
+	if err != nil {
+		return nil
+	}
+	defer file.Close()
+
+	var preference *Preference = nil
+	decoder := json.NewDecoder(file)
+	err = decoder.Decode(&preference)
+	fmt.Println(preference)
+	if err != nil {
+		return nil
+	}
+	return preference
+}