model

type Cat struct {
	Pure       `gorm:"embedded"`
	Name       string   `json:"name"`
	Color      string   `json:"color"`
	CategoryID string   `json:"category_id"`
	Category   Category `gorm:"constraint:OnUpdate:CASCADE,OnDelete:SET NULL;" json:"category"`
}

type Category struct {
	Pure `gorm:"embedded"`
	Name string `json:"name"`
	Cats []Cat  `gorm:"constraint:OnUpdate:CASCADE,OnDelete:SET NULL;" json:"cats"`
}

type Pure struct {
	ID        uuid.UUID      `gorm:"primary_key;type:uuid;default:uuid_generate_v4()" json:"id"`
	CreatedAt time.Time      `json:"created_at"`
	UpdatedAt time.Time      `json:"updated_at"`
	DeletedAt gorm.DeletedAt `gorm:"index" json:"deleted_at"`
}