feat(fqbn): implement json and sql interface

pkg/fqbn/json.go

@@ -0,0 +1,42 @@
+// This file is part of arduino-cli.
+//
+// Copyright 2025 ARDUINO SA (http://www.arduino.cc/)
+//
+// This software is released under the GNU General Public License version 3,
+// which covers the main part of arduino-cli.
+// The terms of this license can be found at:
+// https://www.gnu.org/licenses/gpl-3.0.en.html
+//
+// You can be released from the requirements of the above licenses by purchasing
+// a commercial license. Buying such a license is mandatory if you want to
+// modify or otherwise use the software for commercial activities involving the
+// Arduino software without disclosing the source code of your own applications.
+// To purchase a commercial license, send an email to license@arduino.cc.
+
+package fqbn
+
+import (
+	"encoding/json"
+	"fmt"
+)
+
+// UnmarshalJSON implements the json.Unmarshaler interface for the FQBN type.
+func (f *FQBN) UnmarshalJSON(data []byte) error {
+	var fqbnStr string
+	if err := json.Unmarshal(data, &fqbnStr); err != nil {
+		return fmt.Errorf("failed to unmarshal FQBN: %w", err)
+	}
+
+	fqbn, err := Parse(fqbnStr)
+	if err != nil {
+		return fmt.Errorf("invalid FQBN: %w", err)
+	}
+
+	*f = *fqbn
+	return nil
+}
+
+// MarshalJSON implements the json.Marshaler interface for the FQBN type.
+func (f FQBN) MarshalJSON() ([]byte, error) {
+	return json.Marshal(f.String())
+}

pkg/fqbn/sql.go

@@ -0,0 +1,41 @@
+// This file is part of arduino-cli.
+//
+// Copyright 2025 ARDUINO SA (http://www.arduino.cc/)
+//
+// This software is released under the GNU General Public License version 3,
+// which covers the main part of arduino-cli.
+// The terms of this license can be found at:
+// https://www.gnu.org/licenses/gpl-3.0.en.html
+//
+// You can be released from the requirements of the above licenses by purchasing
+// a commercial license. Buying such a license is mandatory if you want to
+// modify or otherwise use the software for commercial activities involving the
+// Arduino software without disclosing the source code of your own applications.
+// To purchase a commercial license, send an email to license@arduino.cc.
+
+package fqbn
+
+import "fmt"
+
+// Value implements the driver.Valuer interface for the FQBN type.
+func (f FQBN) Value() (any, error) {
+	return f.String(), nil
+}
+
+// Scan implements the sql.Scanner interface for the FQBN type.
+func (f *FQBN) Scan(value any) error {
+	if value == nil {
+		return nil
+	}
+
+	if v, ok := value.(string); ok {
+		ParsedFQBN, err := Parse(v)
+		if err != nil {
+			return fmt.Errorf("failed to parse FQBN: %w", err)
+		}
+		*f = *ParsedFQBN
+		return nil
+	}
+
+	return fmt.Errorf("unsupported type: %T", value)
+}