public void ApproveQuantity(int quantity, IProvideCurrentIdentityRoles approver)
{
if (orderType == OrderType.Draft)
{
if (quantity == this.RequestedQuantity)
{
Guard.That(approver.CanApproveQuantitytOnDraftOrder());
}
else
{
Guard.That(approver.CanOverruleQuantityOnDraftOrder());
}
}
else if (orderType == OrderType.Final)
{
if (quantity > this.ApprovedQuantity)
{
Guard.That(approver.CanIncreaseQuantityOnFinalOrder());
}
else
{
Guard.That(approver.CanDecreaseQuantityOnFinalOrder());
}
}
this.ApprovedQuantity = quantity;
}
