static void Main(string[] args)
{
Exercise classPractice = new Exercise("Class Practice", "C#");
Exercise semicolons = new Exercise("Semicolons", "JS");
Exercise constructors = new Exercise("Constructor Practice", "C#");
Exercise functions = new Exercise("Functions", "JS");
Cohort cohort35 = new Cohort("E35");
Cohort cohort36 = new Cohort("D36");
Cohort cohort37 = new Cohort("D37");
Student james = new Student("James", "Nitz", "agrant", "E35");
Student kevin = new Student("Kevin", "Penny", "kpenny", "D36");
Student willy = new Student("Willy", "Metcalf", "wmetcalf", "D37");
Student audrey = new Student("Audrey", "Borgra", "aborgra", "D37");
Student slacker = new Student("Slacker", "McGee", "slacker", "D37");
cohort35.AddStudent(james);
cohort36.AddStudent(kevin);
cohort37.AddStudent(willy);
cohort37.AddStudent(audrey);
cohort37.AddStudent(slacker);
Instructor steve = new Instructor("Steve", "Brownlee", "Chortlehoort", "D37");
Instructor adam = new Instructor("Adam", "Schaeffer", "aschaeffer", "D36");
Instructor mo = new Instructor("Mo", "Silva", "msilva", "E35");
cohort37.AddInstuctor(steve);
cohort36.AddInstuctor(adam);
cohort35.AddInstuctor(mo);
steve.AssignExercise(audrey, classPractice);
steve.AssignExercise(audrey, semicolons);
steve.AssignExercise(willy, classPractice);
steve.AssignExercise(willy, semicolons);
adam.AssignExercise(kevin, constructors);
adam.AssignExercise(kevin, semicolons);
mo.AssignExercise(james, functions);
mo.AssignExercise(james, classPractice);
mo.AssignExercise(james, semicolons);
mo.AssignExercise(james, constructors);
steve.AssignExercise(audrey, functions);
List <Student> students = new List <Student> ();
students.Add(james);
students.Add(willy);
students.Add(kevin);
students.Add(audrey);
students.Add(slacker);
List <Exercise> exercises = new List <Exercise> ();
exercises.Add(classPractice);
exercises.Add(functions);
exercises.Add(semicolons);
exercises.Add(constructors);
List <Instructor> instructors = new List <Instructor> {
steve,
adam,
mo
};
List <Cohort> cohorts = new List <Cohort> {
cohort35,
cohort36,
cohort37
};
foreach (Exercise exercise in exercises)
{
Console.WriteLine($"{exercise.Name}:");
foreach (Student student in students)
{
foreach (Exercise studentExercise in student.Exercises)
{
if (exercise.Name == studentExercise.Name)
{
Console.WriteLine($"{student.FirstName} {student.LastName}");
}
}
}
Console.WriteLine($"--------------------");
}
var filteredJSExercises = exercises.Where(exercise => exercise.Language == "JS");
Console.WriteLine($"JavaScript exercises:");
foreach (var exercise in filteredJSExercises)
{
Console.WriteLine($"{exercise.Name}");
}
Console.WriteLine($"________________________");
var cohort37Students = students.Where(student => student.Cohort == "D37");
Console.WriteLine($"Students in cohort 37:");
foreach (var student in cohort37Students)
{
Console.WriteLine($"{student.FirstName} {student.LastName}");
}
Console.WriteLine($"________________________");
var cohort37Instructors = instructors.Where(instructor => instructor.Cohort == "D37");
Console.WriteLine($"Instructors in cohort 37:");
foreach (var instructor in cohort37Instructors)
{
Console.WriteLine($"{instructor.FirstName} {instructor.LastName}");
}
Console.WriteLine($"________________________");
var sortedStudentNames = students.OrderBy(student => student.LastName);
Console.WriteLine($"Students sorted by last name:");
foreach (var student in sortedStudentNames)
{
Console.WriteLine($"{student.FirstName} {student.LastName}");
}
Console.WriteLine($"________________________");
var studentsWithoutExercises = students.Where(student => { return(student.Exercises.Count == 0 || student.Exercises == null); });
Console.WriteLine($"Students without exercises:");
foreach (var student in studentsWithoutExercises)
{
Console.WriteLine($"{student.FirstName} {student.LastName}");
}
Console.WriteLine($"________________________");
var orderedStudentsByExercisesCount = students.OrderByDescending(student => {
return(student.Exercises.Count());
}).FirstOrDefault();
Console.WriteLine($"Student with the most exercises:");
Console.WriteLine($"{orderedStudentsByExercisesCount.FirstName} {orderedStudentsByExercisesCount.LastName}");
Console.WriteLine($"________________________");
// Easier for printing to the console
var groups = students.GroupBy(student => student.Cohort);
Console.WriteLine("Students in each cohort:");
foreach (var group in groups)
{
Console.WriteLine($"{group.Count()} in {group.Key}");
}
// Better for storing info to be used later
var studentsPerCohort = students.GroupBy(student => student.Cohort).Select(group => {
return(new CohortReport {
StudentCount = group.Count(),
Name = group.Key
});
});
Console.WriteLine("Students in each cohort:");
foreach (var group in studentsPerCohort)
{
Console.WriteLine($"{group.Name} has {group.StudentCount}");
}
}