Squash merge audio-player-component into main

backend/frontendutil/frontendutil.go

@@ -0,0 +1,38 @@
+// Package frontendutil provides Go functions bound to the frontend.
+package frontendutil
+
+import (
+	"context"
+	"fmt"
+
+	"github.com/wailsapp/wails/v2/pkg/runtime"
+)
+
+// FrontendUtil provides frontend-bound Go functions.
+type FrontendUtil struct {
+	ctx context.Context
+}
+
+// NewFrontendUtil creates a new FrontendUtil instance.
+func NewFrontendUtil() (*FrontendUtil, error) {
+	return &FrontendUtil{}, nil
+}
+
+// SetContext sets the Wails runtime context.
+func (fe *FrontendUtil) SetContext(ctx context.Context) {
+	fe.ctx = ctx
+}
+
+// DirectoryPicker opens a directory selection dialog.
+func (fe *FrontendUtil) DirectoryPicker() (string, error) {
+	runtime.LogInfo(fe.ctx, "selecting a directory")
+
+	dir, err := runtime.OpenDirectoryDialog(
+		fe.ctx,
+		runtime.OpenDialogOptions{})
+	if err != nil {
+		return "", fmt.Errorf("could not open directory dialog\n%w", err)
+	}
+
+	return dir, nil
+}