feat(template): add public storage and temp file method

pkg/svg/storage.go

@@ -10,12 +10,46 @@ import (
 type SvgStorage interface {
 	Create(id string, svg io.Reader) (string, error)
 	Get(id string) (io.Reader, error)
+	CreateTemp(data io.Reader, filetype string) (string, error)
+	CreatePublic(data io.Reader, filetype string) (string, error)
 }
 
+var _ SvgStorage = FileSvgStorage{}
+
 type FileSvgStorage struct {
 	basepath string
 }
 
+func (f FileSvgStorage) CreatePublic(data io.Reader, filetype string) (string, error) {
+	path := filepath.Join(f.basepath, "public")
+	if err := os.Mkdir(path, 0755); err != nil {
+		return "", err
+	}
+
+	file, err := os.CreateTemp(path, "*."+filetype)
+	if err != nil {
+		return "", err
+	}
+	defer file.Close()
+
+	return file.Name(), nil
+}
+
+func (f FileSvgStorage) CreateTemp(data io.Reader, filetype string) (string, error) {
+	path := filepath.Join(f.basepath, "temp")
+	if err := os.Mkdir(path, 0755); err != nil {
+		return "", err
+	}
+
+	file, err := os.CreateTemp(path, "*."+filetype)
+	if err != nil {
+		return "", err
+	}
+	defer file.Close()
+
+	return file.Name(), nil
+}
+
 func NewFileStorage(path string) *FileSvgStorage {
 	err := os.MkdirAll(path, 0755)
 	if err != nil {