feat/login crud in users sync with sso

internal/common/repository/repository.go

@@ -11,6 +11,7 @@ type BaseRepository[T any] interface {
 	GetAll(ctx context.Context, offset, limit int, modifier func(*gorm.DB) *gorm.DB) ([]T, int64, error)
 	GetByID(ctx context.Context, id uint, modifier func(*gorm.DB) *gorm.DB) (*T, error)
 	GetByIDs(ctx context.Context, ids []uint, modifier func(*gorm.DB) *gorm.DB) ([]T, error)
+	First(ctx context.Context, modifier func(*gorm.DB) *gorm.DB) (*T, error)
 
 	CreateOne(ctx context.Context, entity *T, modifier func(*gorm.DB) *gorm.DB) error
 	CreateMany(ctx context.Context, entities []*T, modifier func(*gorm.DB) *gorm.DB) error
@@ -96,6 +97,21 @@ func (r *BaseRepositoryImpl[T]) GetByIDs(
 	return entities, nil
 }
 
+func (r *BaseRepositoryImpl[T]) First(
+	ctx context.Context,
+	modifier func(*gorm.DB) *gorm.DB,
+) (*T, error) {
+	entity := new(T)
+	q := r.db.WithContext(ctx)
+	if modifier != nil {
+		q = modifier(q)
+	}
+	if err := q.First(entity).Error; err != nil {
+		return nil, err
+	}
+	return entity, nil
+}
+
 // ---- CREATE ----
 func (r *BaseRepositoryImpl[T]) CreateOne(
 	ctx context.Context,