public void ExecuteCommand(PhonebookRepository phonebookRepository, Command command, StringBuilder output)
{
switch (command.Type)
{
case CommandTypes.AddPhone:
AddPhoneCommand(phonebookRepository, command, output);
break;
case CommandTypes.ChangePhone:
ChangePhoneCommand(phonebookRepository, command, output);
break;
case CommandTypes.List:
ListCommand(phonebookRepository, command, output);
break;
default:
throw new ArgumentException("Unknown command: " + command.Type.ToString());
}
}
public static Command Parse(string commandString)
{
int braketsStartIndex = commandString.IndexOf('(');
string commandName = commandString.Substring(0, braketsStartIndex);
string commandBody = commandString.Substring(braketsStartIndex + 1, commandString.Length - braketsStartIndex - 2);
string[] commandArguments = commandBody.Split(',');
for (int j = 0; j < commandArguments.Length; j++)
{
commandArguments[j] = commandArguments[j].Trim();
}
Command command = new Command(commandName, commandArguments);
return command;
}
private static void AddPhoneCommand(PhonebookRepository phonebookRepository, Command command, StringBuilder output)
{
var name = command.Parameters[0];
var numbers = command.Parameters.Skip(1).ToList();
for (int i = 0; i < numbers.Count; i++)
{
numbers[i] = Convertnumber(numbers[i]);
}
var isExist = phonebookRepository.AddPhone(name, numbers);
switch (isExist)
{
case true:
output.AppendLine("Phone entry merged");
break;
default:
output.AppendLine("Phone entry created");
break;
}
}
public string ProceedCommand(Command command)
{
string result = string.Empty;
IPhonebookCommand cmd = null;
if (command.Name == "AddPhone")
{
cmd = new AddCommand(this.Printer, this.PhonebookRepository, this.PhoneConverter);
}
else if (command.Name == "ChangePhone")
{
cmd = new ChangePhoneCommand(this.Printer, this.PhonebookRepository, this.PhoneConverter);
}
else if (command.Name == "List")
{
cmd = new ListCommand(this.Printer, this.PhonebookRepository);
}
cmd.Execute(command);
return result;
}
private static void ChangePhoneCommand(PhonebookRepository phonebookRepository, Command command, StringBuilder output)
{
var changeResult = phonebookRepository.ChangePhone(Convertnumber(command.Parameters[0]),
Convertnumber(command.Parameters[1]));
output.AppendLine("" + changeResult + " numbers changed");
}
private static void ListCommand(PhonebookRepository phonebookRepository, Command command, StringBuilder output)
{
try
{
var entries = phonebookRepository.ListEntries(int.Parse(command.Parameters[0]),
int.Parse(command.Parameters[1]));
foreach (var entry in entries)
{
output.AppendLine(entry.ToString());
}
}
catch (ArgumentOutOfRangeException)
{
output.AppendLine("Invalid range");
}
}
