package models import ( "errors" "time" "github.com/jinzhu/gorm" "github.com/genofire/hs_master-kss-monolith/lib/database" ) type Good struct { ID int64 ProductID int64 Position string Comment string FouledAt *time.Time RecievedAt *time.Time `sql:"default:current_timestamp"` // Make it temporary unusable LockedAt *time.Time LockedSecret string `json:"-"` // Make it unusable DeletedAt *time.Time Sended bool } func (g *Good) FilterAvailable(db *gorm.DB) *gorm.DB { return db.Model(g).Where("locked_secret == '' OR locked_secret is NULL") } func (g *Good) Lock(secret string) { now := time.Now() g.LockedSecret = secret g.LockedAt = &now } func (g *Good) IsLock() bool { return len(g.LockedSecret) > 0 } func (g *Good) Unlock(secret string) error { if g.LockedSecret == secret { g.LockedSecret = "" g.LockedAt = nil return nil } return errors.New("wrong secret") } func init() { database.AddModel(&Good{}) }