package models import ( "time" "gorm.io/gorm" ) type PurchaseGroup struct { ID uint `gorm:"primaryKey" json:"id"` Name string `gorm:"size:100;not null;uniqueIndex" json:"name"` Description string `json:"description"` SortOrder int `gorm:"default:0" json:"sort_order"` CreatedAt time.Time `json:"created_at"` UpdatedAt time.Time `json:"updated_at"` DeletedAt gorm.DeletedAt `gorm:"index" json:"-"` Categories []Category `gorm:"foreignKey:PurchaseGroupID" json:"categories,omitempty"` } func (PurchaseGroup) TableName() string { return "purchase_groups" }