package Models import ( "time" "github.com/gofrs/uuid" "gorm.io/gorm" ) // Base contains common columns for all tables. type Base struct { ID uuid.UUID `gorm:"type:uuid;primary_key;" json:"id"` CreatedAt time.Time `json:"created_at"` UpdatedAt time.Time `json:"updated_at"` DeletedAt *time.Time `sql:"index" json:"-"` } // BeforeCreate will set a UUID rather than numeric ID. func (base *Base) BeforeCreate(tx *gorm.DB) error { var ( id uuid.UUID err error ) id, err = uuid.NewV4() if err != nil { return err } base.ID = id return nil }