public void MainMenu()
{
while (true)
{
Console.WriteLine("---|Menu|----");
Console.WriteLine("Add teacher : 1");
Console.WriteLine("Add group : 2");
Console.WriteLine("Add group to teacher: 3");
Console.WriteLine("Start activity : 4");
Console.WriteLine("Get Info : 5");
Console.WriteLine("Get groups grades : 6");
Console.WriteLine("Settings : 7");
Console.WriteLine("Exit : 8");
choise = Console.ReadLine();
Console.WriteLine(" ");
switch (choise)
{
case "1":
AddTeacher(ChoiceSubject());
break;
case "2":
AddGroup();
break;
case "3":
AddGroupToteacher();
break;
case "4":
StartActivity(ChoiceSubject());
break;
case "5":
Console.WriteLine(infoService.GetInfo());
break;
case "6":
int n = NumberCheck("\n -|Choise Group| -\n" + infoService.GetGroup(),
infoService.GetGroupCount());
Console.WriteLine(infoService.GetGroupsGrades(n));
break;
case "7":
settingsMenu.SetSettings();
break;
case "8":
return;
default:
Console.WriteLine("Interapt input");
break;
}
Console.WriteLine(" ");
}
}