models

type Drink struct {
	gorm.Model
	Name  string
	Price int
}

type Payment struct {
	gorm.Model
	User        User
	UserID      uint
	PaymentTime time.Time
	Amount      int
}

type Purchase struct {
	gorm.Model
	Customer     User
	CustomerID   uint
	Product      Drink
	ProductID    uint
	PurchaseTime time.Time
	Price        int
}

type User struct {
	gorm.Model
	Name string
}