public string GetPairs() { //read last pairs here FileReadWrite file = new FileReadWrite(); var yesterdayPairs = GetLastPairs(file.ReadFile()); //this returns a List<tuple> of canonical pairs var todayPairs = new List <Tuple <string, string> >(); var randomPair = _pairs.OrderBy(arg => Guid.NewGuid()).Take(2).ToList(); todayPairs.Add(Tuple.Create(randomPair[0], randomPair[1])); while (yesterdayPairs.Contains(todayPairs[0])) { todayPairs = new List <Tuple <string, string> >(); randomPair = _pairs.OrderBy(arg => Guid.NewGuid()).Take(2).ToList(); todayPairs.Add(Tuple.Create(randomPair[0], randomPair[1])); } //then write the new pair file.WriteToFile($"{todayPairs[0].Item1.ToString()},{todayPairs[0].Item2.ToString()}"); //return the new pair return($"Today's pairs are : {todayPairs[0].Item1.ToString()} & {todayPairs[0].Item2.ToString()}"); }
private void SaveFileButton_Click(object sender, RoutedEventArgs e) { // //Można dodać coś aby sprawdzić itd i np. dać aby nazwe wpisać // SaveFileDialogs dialogs = new SaveFileDialogs("Podaj nazwe pliku", ""); if (dialogs.ShowDialog() == true) { string name = dialogs.Answer; if (name == "") { name = "tmp.txt"; } else { name = name + ".txt"; } FileReadWrite.WriteToFile(name, firstRowHaveHeader); } }