added copying and moving

app/repos/storageRepo/storageRepo.go

@@ -1,6 +1,7 @@
 package storageRepo
 
 import (
+	"io"
 	"mime/multipart"
 	"os"
 
@@ -11,6 +12,8 @@ import (
 type UIStorageRepo interface {
 	EntryInfo(abs_path string) (os.FileInfo, error)
 	ListContent(abs_path string) (*[]model.EntryInList, error)
+	Move(src_abs_path string, dest_abs_path string) error
+	Copy(src_abs_path string, dest_abs_path string) error
 	OpenFile(abs_path string) (*os.File, error)
 	UploadFile(c fiber.Ctx, abs_path string, f *multipart.FileHeader) error
 	CreateFolder(abs_path string) error
@@ -47,6 +50,35 @@ func (r *StorageRepo) ListContent(abs_path string) (*[]model.EntryInList, error)
 	return &entries_in_list, nil
 }
 
+func (r *StorageRepo) Move(src_abs_path string, dest_abs_path string) error {
+	return os.Rename(src_abs_path, dest_abs_path)
+}
+
+func (r *StorageRepo) Copy(src_abs_path string, dest_abs_path string) error {
+	in, err := os.Open(src_abs_path)
+	if err != nil {
+		return err
+	}
+	defer in.Close()
+
+	info, err := in.Stat()
+	if err != nil {
+		return err
+	}
+
+	out, err := os.OpenFile(dest_abs_path, os.O_CREATE|os.O_WRONLY|os.O_TRUNC, info.Mode())
+	if err != nil {
+		return err
+	}
+	defer out.Close()
+
+	if _, err := io.Copy(out, in); err != nil {
+		return err
+	}
+
+	return out.Sync()
+}
+
 func (r *StorageRepo) OpenFile(abs_path string) (*os.File, error) {
 	return os.Open(abs_path)
 }