public void AddTelephone(string modele, int stoimost, string firma, FirmaController firmscontroller)
{
foreach (Firma itemfirma in firmscontroller.GetFirms())
{
if (itemfirma.Name == firma)
{
telephones.Add(new Telephone(modele, stoimost, itemfirma));
return;
}
else
{
firmscontroller.Add(firma);
Firma newFirma = firmscontroller.GetFirmabyName(firma);
telephones.Add(new Telephone(modele, stoimost, newFirma));
return;
}
}
}
public Telephone(string modele, int stoimost, Firma firma) : this(modele, stoimost)
{
Firma = firma ?? throw new ArgumentException(nameof(firma));
}