public int AddMedicine(Medicine request)
{
if (string.IsNullOrWhiteSpace(request.FullName))
{
throw new InvalidOperationException("Medicine Full name is a required field.");
}
if (string.IsNullOrWhiteSpace(request.Brand))
{
throw new InvalidOperationException("Medicine Brand is a required field.");
}
if (request.ExpiryDate <= DateTime.Today.AddDays(15))
{
throw new InvalidOperationException("Medicines with expiry date of 15 days or less can not be added.");
}
if (request.Quantity <= 0)
{
throw new InvalidOperationException("Medicines with quantity less than zero can not be added");
}
if (request.Price < 0)
{
throw new InvalidOperationException("Medicine price should be non-negative number.");
}
request.Id = m_MedicineRepository.GetMaxId() + 1;
m_MedicineRepository.AddMedicine(request);
return(request.Id);
}