Merge pull request #664 from meshery/fix/mapobject-scanner-valuer

Fix/mapobject scanner valuer

Author: leecalcote

models/core/map_object.go

@@ -0,0 +1,48 @@
+// This is not autogenerated.
+package core
+
+import (
+	"database/sql/driver"
+	"encoding/json"
+	"fmt"
+)
+
+// GormDataType returns the data type for GORM to use when creating the database column.
+func (m MapObject) GormDataType() string {
+	return "text"
+}
+
+// Value implements the driver.Valuer interface, serializing MapObject as a JSON string.
+func (m MapObject) Value() (driver.Value, error) {
+	if m == nil {
+		return nil, nil
+	}
+	b, err := json.Marshal(m)
+	if err != nil {
+		return nil, err
+	}
+	return string(b), nil
+}
+
+// Scan implements the sql.Scanner interface, deserializing a JSON string into MapObject.
+func (m *MapObject) Scan(value interface{}) error {
+	if value == nil {
+		*m = nil
+		return nil
+	}
+	var bytes []byte
+	switch v := value.(type) {
+	case []byte:
+		bytes = v
+	case string:
+		bytes = []byte(v)
+	default:
+		return fmt.Errorf("cannot scan type %T into MapObject", value)
+	}
+	result := make(MapObject)
+	if err := json.Unmarshal(bytes, &result); err != nil {
+		return err
+	}
+	*m = result
+	return nil
+}