public bool CheckIfProductIsActive()
{
if (ProductVersions.Count != 0)
{
return(ProductVersions.Last().IsActive);
}
else
{
return(false);
}
}
public void RemoveProductUnit(Unit unitToRemove)
{
ProductVersion newVersion, previousVersion;
previousVersion = ProductVersions.Last();
if (previousVersion.Units.Contains(unitToRemove))
{
//Copying data from previous to new
newVersion = DublicateProductVersion(previousVersion);
//Adding the change
newVersion.Units.Remove(unitToRemove);
this.ProductVersions.Add(newVersion);
repository.UpdateProductVersionList(this);
}
else
{
throw new UnitAlreadyRemovedException();
}
}
public void AddProductUnit(Unit unitToAdd)
{
ProductVersion newVersion, previousVersion;
previousVersion = ProductVersions.Last();
if (!previousVersion.Units.Contains(unitToAdd))
{
//Copying data from previous to new
newVersion = DublicateProductVersion(previousVersion);
//Adding the change
newVersion.Units.Add(unitToAdd);
this.ProductVersions.Add(newVersion);
repository.UpdateProductVersionList(this);
}
else
{
throw new ProductAlreadyHaveUnitException();
}
}
public void ActivateProduct()
{
ProductVersion newVersion, previousVersion;
previousVersion = ProductVersions.Last();
if (previousVersion.IsActive == false)
{
//Copying data from previous to new
newVersion = DublicateProductVersion(previousVersion);
//Adding the change
newVersion.IsActive = true;
this.ProductVersions.Add(newVersion);
repository.UpdateProductVersionList(this);
}
else
{
throw new ProductAlreadyActivatedException();
}
}
public void ChangeProductSupplier(string supplier)
{
ProductVersion newVersion, previousVersion;
previousVersion = ProductVersions.Last();
//Copying data from previous to new
if (previousVersion.Supplier != supplier)
{
//Copying data from previous to new
newVersion = DublicateProductVersion(previousVersion);
//Adding the change
newVersion.Supplier = supplier;
this.ProductVersions.Add(newVersion);
repository.UpdateProductVersionList(this);
}
else
{
throw new AlreadyExistingSupplierException(supplier);
}
}