public static void Main(string[] args)
{
var io = new InteractiveIO(Console.In, Console.Out);
var students = new ListBasedStudentStore(10);
BranchMenu(
Console.In,
Console.Out,
Console.Clear,
io,
students
);
}
private static Student ReadStudentInteractive(InteractiveIO io)
{
string name = io.ReadUntilValidInputProvided("Name: ", IsValidName);
string surname = io.ReadUntilValidInputProvided("Surname: ", IsValidName);
string homeworkGrades = io.ReadUntilValidInputProvided(
"Homework grades (space separated, 0-10): ",
IsValidGradeSequence
);
string examGrade = io.ReadUntilValidInputProvided(
"Exam grade (0-10): ",
IsValidGrade
);
return(Student.ParseUnsafe(
name,
surname,
Tokenize(homeworkGrades),
examGrade
));
}
private static void BranchMenu(
TextReader reader,
TextWriter writer,
ClearOutput clearOut,
InteractiveIO io,
IStudentStore students
)
{
clearOut();
writer.WriteLine("Total students: {0}\n", students.Length);
writer.WriteLine("Which task would you like to execute?");
writer.WriteLine("{0}) Add a new student", (int)MenuChoice.AddStudent);
writer.WriteLine("{0}) Read students from file", (int)MenuChoice.ReadStudentsFile);
writer.WriteLine("{0}) Print results of students", (int)MenuChoice.PrintResults);
writer.WriteLine("{0}) Benchmark", (int)MenuChoice.Benchmark);
writer.WriteLine("{0}) Exit program\n", (int)MenuChoice.Exit);
writer.Write("Menu choice: ");
#pragma warning disable IDE0018 // Inline variable declaration
int menuChoice;
#pragma warning restore IDE0018 // Inline variable declaration
if (!int.TryParse(reader.ReadLine(), out menuChoice))
{
writer.WriteLine("Error parsing the choice, please try again...");
reader.Read();
}
else
{
switch (menuChoice)
{
case (int)MenuChoice.AddStudent: {
var student = ReadStudentInteractive(io);
students.Add(student);
break;
}
case (int)MenuChoice.ReadStudentsFile: {
var filename = io.ReadLineInteractive("File name: ");
AddStudentsFromFile(writer, filename, students);
writer.WriteLine("Press any key to continue.");
reader.Read();
break;
}
case (int)MenuChoice.PrintResults: {
var sortedStudents = students.All()
.OrderBy(x => x.surname)
.ThenBy(x => x.name);
StudentSummaryPrinter.PrintSummary(writer, sortedStudents);
reader.Read();
break;
}
case (int)MenuChoice.Benchmark: {
BenchmarkSuite(reader, writer);
reader.Read();
break;
}
case (int)MenuChoice.Exit: return;
default:
writer.WriteLine("Wrong choice, please try again...");
reader.Read();
break;
}
}
BranchMenu(reader, writer, clearOut, io, students);
}
