initial commit

version.go

@@ -0,0 +1,27 @@
+package sqaffold
+
+import (
+	"errors"
+
+	"code.aneur.in/go/version"
+)
+
+func (s *Scaffold) GetVersion(appName string) (*version.Version, error) {
+	row, err := s.QueryOne("select version from sqaffold_apps where name = ?", appName)
+	switch {
+	case err == nil:
+	case err.Error() == "SQL logic error: no such table: sqaffold_apps (1)":
+		fallthrough
+	case errors.Is(err, ErrNoRows):
+		return version.Parse("0")
+	default:
+		return nil, Err(err)
+	}
+
+	return version.Parse(row.String("version"))
+}
+
+func (s *Scaffold) setVersion(appName string, version *version.Version) error {
+	_, err := s.Exec("insert into sqaffold_apps (name, version) values (?, ?)", appName, version.Text)
+	return err
+}