/// <addBuyer>
/// This method takes from the console information for a new buyer.
/// (nickname, the nickname of an existing dealer)
/// It adds the new dealer to the database,
/// and assigns the new buyer to the dealer.
/// </addBuyer>
public void AddBuyer()
{
string nickname;
string dNickname;
int dealerID;
Dealer dealer;
try
{
Dictionary <string, string> dict = CommandReader.AddBuyer();
nickname = dict["nickname"];
dNickname = dict["dealerNickname"];
if (nickname == "" || dNickname == "")
{
throw new InvalidOperationException(ConstantStrings.Blank);
}
OutputPrinter.Connecting();
List <string> nicknames = c.Buyers.Select(e => e.Nickname).ToList();
if (nicknames.Contains(nickname))
{
throw new InvalidOperationException(ConstantStrings.Buyer + $" with nickname '{nickname}' " + ConstantStrings.AlreadyExists);
}
try
{
dealer = c.Dealers.Single(e => e.Nickname == dNickname);
dealerID = dealer.Id;
}
catch (Exception)
{
throw new InvalidOperationException(ConstantStrings.Dealer + $" with nickname '{nickname}' " + ConstantStrings.NotFound);
}
var buyer = new Buyer()
{
Nickname = nickname,
DealerId = dealerID
};
Add(buyer);
OutputPrinter.Done();
}
catch (Exception e)
{
Console.WriteLine(e.Message);
OutputPrinter.InvalidCommand();
}
}
