public int RegisterNewTrader(TraderInfo trader)
{
var entityToAdd = new TraderEntityDB()
{
CreatedAt = DateTime.Now,
Name = trader.Name,
Surname = trader.Surname,
PhoneNumber = trader.PhoneNumber,
Balance = trader.Balance
};
if (traderTableRepository.Contains(entityToAdd))
{
throw new ArgumentException($"This trader {entityToAdd.Name} {entityToAdd.Surname} has been registered.");
}
traderTableRepository.Add(entityToAdd);
traderTableRepository.SaveChanges();
return(entityToAdd.Id);
}
