feat: Users API, ownership transfer and removal of the legacy role string

internal/infrastructure/persistence/database/migrationMarker.go

@@ -0,0 +1,25 @@
+package database
+
+import (
+	entity "RenewCMS/internal/infrastructure/persistence/models"
+	"time"
+
+	"gorm.io/gorm"
+)
+
+const (
+	legacyUserRolesMarker = "legacy_user_roles"
+	inviteRolesMarker     = "invite_roles"
+)
+
+func markerApplied(tx *gorm.DB, name string) (bool, error) {
+	var count int64
+	if err := tx.Model(&entity.MigrationMarker{}).Where("name = ?", name).Count(&count).Error; err != nil {
+		return false, err
+	}
+	return count > 0, nil
+}
+
+func applyMarker(tx *gorm.DB, name string) error {
+	return tx.Create(&entity.MigrationMarker{Name: name, AppliedAt: time.Now()}).Error
+}