feat: ✨ initialize project structure with frontend dependencies and backend protocols

internal/protocols/local/local.go

@@ -0,0 +1,97 @@
+package local
+
+import (
+	"io"
+	"os"
+	"path/filepath"
+	"runtime"
+	"time"
+
+	"goexplore/internal/explorer"
+)
+
+type LocalExplorer struct {
+	basePath string
+}
+
+func New() *LocalExplorer {
+	basePath := "/"
+	if runtime.GOOS == "windows" {
+		basePath = "C:\\"
+	}
+	return &LocalExplorer{basePath: basePath}
+}
+
+func (e *LocalExplorer) Connect() error    { return nil }
+func (e *LocalExplorer) Disconnect() error { return nil }
+
+func (e *LocalExplorer) ListDir(path string) ([]explorer.FileEntry, error) {
+	if path == "" {
+		path = e.basePath
+	}
+	entries, err := os.ReadDir(path)
+	if err != nil {
+		return nil, err
+	}
+
+	var result []explorer.FileEntry
+	for _, entry := range entries {
+		info, err := entry.Info()
+		if err != nil {
+			continue
+		}
+		result = append(result, explorer.FileEntry{
+			Name:        entry.Name(),
+			Path:        filepath.ToSlash(filepath.Join(path, entry.Name())),
+			Size:        info.Size(),
+			Modified:    info.ModTime().Format(time.RFC3339),
+			IsDir:       entry.IsDir(),
+			Permissions: info.Mode().String(),
+		})
+	}
+	return result, nil
+}
+
+func (e *LocalExplorer) Stat(path string) (explorer.FileEntry, error) {
+	if path == "" {
+		path = e.basePath
+	}
+	info, err := os.Stat(path)
+	if err != nil {
+		return explorer.FileEntry{}, err
+	}
+	return explorer.FileEntry{
+		Name:        info.Name(),
+		Path:        filepath.ToSlash(path),
+		Size:        info.Size(),
+		Modified:    info.ModTime().Format(time.RFC3339),
+		IsDir:       info.IsDir(),
+		Permissions: info.Mode().String(),
+	}, nil
+}
+
+func (e *LocalExplorer) MkDir(path string) error {
+	return os.Mkdir(path, 0755)
+}
+
+func (e *LocalExplorer) Delete(path string) error {
+	return os.RemoveAll(path)
+}
+
+func (e *LocalExplorer) Rename(src, dst string) error {
+	return os.Rename(src, dst)
+}
+
+func (e *LocalExplorer) ReadFile(path string) (io.ReadCloser, error) {
+	return os.Open(path)
+}
+
+func (e *LocalExplorer) WriteFile(path string, r io.Reader, size int64) error {
+	f, err := os.OpenFile(path, os.O_CREATE|os.O_WRONLY|os.O_TRUNC, 0644)
+	if err != nil {
+		return err
+	}
+	defer f.Close()
+	_, err = io.Copy(f, r)
+	return err
+}