feat: add Role (owner|admin) to the user domain, persistence model and mapper

internal/infrastructure/persistence/repositories/userRepository.go

@@ -34,6 +34,7 @@ func (u *UserRepository) Create(user domainUser.User) (domainUser.User, error) {
 		PasswordResetCode:      mappers.DomainToNullableString(user.PasswordResetCode),
 		Email:                  user.Email,
 		IsVerified:             user.IsVerified,
+		Role:                   string(user.Role),
 		VerificationCode:       mappers.DomainToNullableString(user.VerificationCode),
 		VerificationExpiration: user.VerificationExpiration,
 	})

internal/infrastructure/persistence/repositories/userRoleBackfill.go

@@ -0,0 +1,33 @@
+package persistence
+
+import (
+	domainUser "RenewCMS/internal/domain/user"
+	entity "RenewCMS/internal/infrastructure/persistence/models"
+
+	"gorm.io/gorm"
+)
+
+func BackfillUserRoles(db *gorm.DB) error {
+	return db.Transaction(func(tx *gorm.DB) error {
+		var firstUser entity.User
+		result := tx.Where("role = ''").Order("id asc").Limit(1).Find(&firstUser)
+		if result.Error != nil {
+			return result.Error
+		}
+		if result.RowsAffected == 0 {
+			return nil
+		}
+
+		var lowest entity.User
+		if err := tx.Order("id asc").First(&lowest).Error; err != nil {
+			return err
+		}
+		if lowest.Role == "" {
+			if err := tx.Model(&entity.User{}).Where("id = ?", lowest.ID).Update("role", string(domainUser.RoleOwner)).Error; err != nil {
+				return err
+			}
+		}
+
+		return tx.Model(&entity.User{}).Where("role = ''").Update("role", string(domainUser.RoleAdmin)).Error
+	})
+}