public override TestIteration GetNext()
{
var tuple = (Tuple <TestIteration, string>)HistoryProcessor.Next();
if (tuple != null)
{
Debug.WriteLine("Next from history");
_currentAnswer = tuple.Item2;
return(tuple.Item1);
}
Debug.WriteLine("New next");
var test = new TestIteration();
KeyValuePair <string, string> pair = GetRandomPair();
_currentAnswer = pair.Value;
test.Question = pair.Key;
var variantes = new string[4];
test.Variantes = variantes;
variantes[Randomize.GetNext(4)] = pair.Value;
for (int i = 0; i < 4; i++)
{
if (String.IsNullOrEmpty(variantes[i]))
{
var s = GetRandomPair().Value;
while (variantes.Contains(s))
{
s = GetRandomPair().Value;
}
variantes[i] = s;
}
}
HistoryProcessor.Add(Tuple.Create(test, _currentAnswer));
return(test);
}
public override string GetNext()
{
var tuple = (Tuple <string, string>)HistoryProcessor.Next();
if (tuple != null)
{
_currentAnswer = tuple.Item2;
return(tuple.Item1);
}
var pair = GetRandomPair();
_currentAnswer = pair.Key;
HistoryProcessor.Add(Tuple.Create(pair.Value, pair.Key));
return(pair.Value);
}
