models

type Category struct {
	ID          uint64 `json:"id" gorm:"primaryKey"`
	Name        string `json:"name"`
	Description string `json:"description"`

	IABCode string `json:"iab_code"` // IAB category code of OpenRTB

	ParentID  sql.Null[uint64] `json:"parent_id" gorm:"column:parent_id"`
	Parent    *Category        `json:"parent,omitempty" gorm:"foreignKey:parent_id;references:ID"`
	Childrens []*Category      `json:"childrens,omitempty" gorm:"foreignKey:parent_id;references:ID"`
	Position  uint64           `json:"position"`

	// Is Active advertisement
	Active types.ActiveStatus `gorm:"type:ActiveStatus" json:"active"`

	// Time marks
	CreatedAt time.Time      `json:"created_at"`
	UpdatedAt time.Time      `json:"updated_at"`
	DeletedAt gorm.DeletedAt `json:"deleted_at,omitempty"`
}