public virtual string CanBuySnack(int positon)
{
SnackPile snackPile = GetSnackPile(positon);
if (snackPile.Quantity == 0)
{
return("The snack pile is empty");
}
if (MoneyInTransaction < snackPile.Price)
{
return("Not enough money");
}
if (!MoneyInside.CanAllocate(MoneyInTransaction - snackPile.Price))
{
return("Not enough change");
}
return(string.Empty);
}
public void BuySnack(int position)
{
if (!CanBuySnak(position))
{
throw new CannotBuySnakException();
}
var slot = GetSlot(position);
slot.SubtractOneSnak();
var allocatedCharge = MoneyInside.Allocate(
MoneyInTransaction.Amount - slot.GetItemPrice());
MoneyInside -= allocatedCharge;
MoneyInside += MoneyInTransaction;
SetToZeroAmountInTransaction();
AddDomainEvent(new SnackBoughtDomainEvent(
slot.SnackType.Id, slot.GetItemPrice()));
}
public virtual void BuySnack(int position)
{
var slot = GetSlot(position);
if (slot.SnackPile.Price > MoneyInTransaction)
{
throw new InvalidOperationException();
}
var change = MoneyInTransaction - slot.SnackPile.Price;
var allocate = MoneyInside.Allocate(change);
if (allocate.Amount < change)
{
throw new InvalidOperationException();
}
slot.SnackPile = slot.SnackPile.SubtractOne();
MoneyInside -= allocate;
MoneyInTransaction = 0;
}
public virtual void BuySnack(int position)
{
if (CanBuySnack(position) != string.Empty)
{
throw new InvalidOperationException();
}
Slot slot = GetSlot(position);
// slot.Quantity--;
//if (slot.SnackPile.Price > MoneyInTransaction) now we don't need these checks
// throw new InvalidOperationException();
slot.SnackPile = slot.SnackPile.SubstractOne();
// MoneyInside += MoneyInTransaction;
// MoneyInTransaction = None;
Money change = MoneyInside.Allocate(MoneyInTransaction - slot.SnackPile.Price);
//if (change.Amount < MoneyInTransaction - slot.SnackPile.Price) now we don't need these checks
// throw new InvalidOperationException();
MoneyInside -= change;
MoneyInTransaction = 0;
}
public bool CanBuySnak(int position)
{
var slot = GetSlot(position);
if (slot.GetItemsQuantity() < 0)
{
return(false);
}
if (MoneyInTransaction.Amount < slot.GetItemPrice())
{
return(false);
}
var chargeToAllocate = MoneyInTransaction.Amount - slot.GetItemPrice();
if (!MoneyInside.CanAllocate(chargeToAllocate))
{
return(false);
}
return(true);
}
public void BuySnack(int position)
{
// Don't allow purchase if not enough money inserted
if (GetSlot(position).SnackPile.Price > this.AmountInTransaction)
{
throw new InvalidOperationException();
}
Slot slot = GetSlot(position);
slot.SnackPile = slot.SnackPile.SubtractOne();
//find the amount of change to return
Money change = MoneyInside.AllocateToReturn(AmountInTransaction - slot.SnackPile.Price);
if (change.Amount < AmountInTransaction - slot.SnackPile.Price)
{
throw new CannotMakeChangeException();
}
MoneyInside -= change;
AmountInTransaction = 0;
}
public virtual bool CanWithdrawal(decimal amount)
{
ValidationMessages.Clear();
if (amount <= 0m)
{
ValidationMessages.Add(Constants.InvalidAmount);
return(false);
}
if (amount > MoneyInside.Amount)
{
ValidationMessages.Add(Constants.NotEnoughChange);
return(false);
}
if (!MoneyInside.CanAllocate(amount))
{
ValidationMessages.Add(Constants.NotEnoughChange);
return(false);
}
return(true);
}
public void BuySnack(int position)
{
var slot = GetSlot(position);
if (slot.SnackPile.Price > MoneyInTransaction)
{
throw new InvalidOperationException();
}
slot.SnackPile = slot.SnackPile.SubtractOne();
var change = MoneyInside.Allocate(MoneyInTransaction - slot.SnackPile.Price);
if (change.Amount < MoneyInTransaction - slot.SnackPile.Price)
{
throw new InvalidOperationException();
}
MoneyInside -= change;
MoneyInTransaction = 0;
AddDomainEvent(new SnackBought(slot.Position, slot.SnackPile.Quantity, slot.SnackPile.Snack.Name));
}
public virtual void BuySnack(int position)
{
if (CanBuySnack(position) != string.Empty)
{
throw new InvalidOperationException();
}
//Slots.Single(x => x.Position == position).Quantity--;
var slot = GetSlot(position);
//if (slot.SnackPile.Price > MoneyInTransaction.Amount) throw new InvalidOperationException();
//if (slot.SnackPile.Price > MoneyInTransaction) throw new InvalidOperationException();
slot.SnackPile = slot.SnackPile.SubtractOne();
//No longer needed the InsertMoney take care of it
//MoneyInside += MoneyInTransaction;
//MoneyInTransaction = None;
Money change = MoneyInside.Allocate(MoneyInTransaction - slot.SnackPile.Price);
//if (change.Amount < MoneyInTransaction - slot.SnackPile.Price) throw new InvalidOperationException();
MoneyInside -= change;
MoneyInTransaction = 0;
}
public virtual void ReturnMoney()
{
MoneyInside -= MoneyInside.Allocate(MoneyInTransaction);
MoneyInTransaction = 0;
}
