move go files to src/

src/internal/core/utils/uuid.go

@@ -0,0 +1,41 @@
+package utils
+
+import (
+	"crypto/rand"
+	"encoding/hex"
+	"errors"
+
+	"github.com/akyaiy/GoSally-mvp/internal/engine/config"
+)
+
+func NewUUIDRaw(length int) ([]byte, error) {
+	bytes := make([]byte, int(length))
+	_, err := rand.Read(bytes)
+	if err != nil {
+		return bytes, errors.New("failed to generate UUID: " + err.Error())
+	}
+	return bytes, nil
+}
+
+func NewUUID(length int) (string, error) {
+	data, err := NewUUIDRaw(length)
+	if err != nil {
+		return "", err
+	}
+	return hex.EncodeToString(data), nil
+}
+
+func NewUUID32() (string, error) {
+	return NewUUID(config.UUIDLength)
+}
+
+func NewUUID32Raw() ([]byte, error) {
+	data, err := NewUUIDRaw(config.UUIDLength)
+	if err != nil {
+		return data, err
+	}
+	if len(data) != config.UUIDLength {
+		return data, errors.New("unexpected UUID length")
+	}
+	return data, nil
+}