public Commitment CommitToAnInventory(IInventory targetInventory, ItemType itemType, int amount)
{
if (!_currentAmount.ContainsKey(itemType))
{
throw new CommitmentException("Cannot commit because inventory does not contain this type");
}
if (GetCurrentUncommittedAmount(itemType) < amount)
{
throw new CommitmentException("Cannot commit because inventory does not contain enough of this type");
}
if (!targetInventory.CanAcceptAmount(itemType, amount))
{
throw new CommitmentException("Cannot commit because target inventory does not have enough space");
}
Commitment newCommitment = new Commitment(amount, itemType, targetInventory, this);
newCommitment.CommitToComitterAndComitee();
var merged = Commitment.MergeCommitmentsOfThisType(itemType, this, targetInventory);
return(merged);
}