feat: finished basic functio

app.go

@@ -2,7 +2,10 @@ package main
 
 import (
 	"context"
-	"fmt"
+
+	"github.com/wailsapp/wails/v2/pkg/runtime"
+
+	"git.taurusxin.com/taurusxin/ncmdump-go/ncmcrypt"
 )
 
 // App struct
@@ -21,7 +24,75 @@ func (a *App) startup(ctx context.Context) {
 	a.ctx = ctx
 }
 
-// Greet returns a greeting for the given name
-func (a *App) Greet(name string) string {
-	return fmt.Sprintf("Hello %s, It's show time!", name)
+// select files to dump
+func (a *App) SelectFiles() []string {
+	selection, err := runtime.OpenMultipleFilesDialog(a.ctx, runtime.OpenDialogOptions{
+		Title: "请选择文件",
+		Filters: []runtime.FileFilter{
+			{
+				DisplayName: "NCM Files",
+				Pattern:     "*.ncm",
+			},
+		},
+	})
+	if err != nil {
+		return []string{}
+	}
+	return selection
+}
+
+func (a *App) SelectFolder() string {
+	folder, err := runtime.OpenDirectoryDialog(a.ctx, runtime.OpenDialogOptions{
+		Title: "请选择保存目录",
+	})
+	if err != nil {
+		return ""
+	}
+	return folder
+}
+
+type Status = string
+
+const (
+	Pending    Status = "pending"
+	Processing Status = "processing"
+	Done       Status = "done"
+	Error      Status = "error"
+)
+
+type NcmFile struct {
+	Name   string
+	Status Status
+}
+
+// process single file
+func (a *App) processFile(file string, index int, savePath string) {
+	runtime.EventsEmit(a.ctx, "file-status-changed", index, Processing)
+	ncm, err := ncmcrypt.NewNeteaseCloudMusic(file)
+	if err != nil {
+		runtime.EventsEmit(a.ctx, "file-status-changed", index, Error)
+		return
+	}
+	dumpResult, err := ncm.Dump(savePath)
+	if err != nil {
+		runtime.EventsEmit(a.ctx, "file-status-changed", index, Error)
+		return
+	}
+	if dumpResult {
+		_, err := ncm.FixMetadata(true)
+		if err != nil {
+			runtime.EventsEmit(a.ctx, "file-status-changed", index, Error)
+			return
+		}
+		runtime.EventsEmit(a.ctx, "file-status-changed", index, Done)
+	}
+}
+
+// process files
+func (a *App) ProcessFiles(files []NcmFile, savePath string) {
+	for index, file := range files {
+		if file.Status == Pending {
+			go a.processFile(file.Name, index, savePath)
+		}
+	}
 }