feat: values updaters

internal/data/updater/file/updater_handler.go

@@ -0,0 +1,33 @@
+package file
+
+import (
+	"io"
+	"net/url"
+	"os"
+	"path/filepath"
+
+	"github.com/pkg/errors"
+)
+
+const SchemeFile = "file"
+
+type UpdaterHandler struct{}
+
+func (h *UpdaterHandler) Match(url *url.URL) bool {
+	return url.Scheme == SchemeFile
+}
+
+func (u *UpdaterHandler) Update(url *url.URL) (io.WriteCloser, error) {
+	name := filepath.Join(url.Host, url.Path)
+
+	file, err := os.Create(name)
+	if err != nil {
+		return nil, errors.Wrapf(err, "could not open file '%s'", name)
+	}
+
+	return file, nil
+}
+
+func NewUpdaterHandler() *UpdaterHandler {
+	return &UpdaterHandler{}
+}