public StudentAggregate CalculateStudentsStatistics(IEnumerable <Student> students)
{
var attendanceDictionary = new Dictionary <int, int>();
var annualGpaDictionary = new Dictionary <int, IList <float> >();
var bestStudents = new SortedDictionary <float, IList <Student> >(new GpaComparer());
Student mostInconsistentStudent = null;
float maxInconsistency = -1;
foreach (var student in students)
{
AttendanceHelper.AddStudentAttendance(student, attendanceDictionary);
GpaHelper.AddStudentToBestStudents(student, bestStudents);
GpaHelper.AddStudentGradesToAnnualGpa(student, annualGpaDictionary);
float inconsistency = student.CalculateGradesInconsistency();
if (maxInconsistency < inconsistency)
{
maxInconsistency = inconsistency;
mostInconsistentStudent = student;
}
}
var statistics = new StudentAggregate();
statistics.YearWithHighestAttendance = AttendanceHelper.FindMostAttendedYear(attendanceDictionary);
statistics.StudentIdMostInconsistent = (mostInconsistentStudent?.Id).GetValueOrDefault();
statistics.YearWithHighestOverallGpa = GpaHelper.GetHighestsAnnualGpaYear(annualGpaDictionary);
statistics.Top10StudentIdsWithHighestGpa = GpaHelper.GetBestStudents(bestStudents, Constants.TopStudentsToSubmit).Select(x => x.Id).ToArray();
return(statistics);
}
public void PrintResult(StudentAggregate studentAggregate)
{
Console.WriteLine($"YourName: {studentAggregate.YourName}");
Console.WriteLine($"YourEmail: {studentAggregate.YourEmail}");
Console.WriteLine($"YearWithHighestAttendance: {studentAggregate.YearWithHighestAttendance}");
Console.WriteLine($"YearWithHighestOverallGpa: {studentAggregate.YearWithHighestOverallGpa}");
Console.WriteLine($"Top10StudentIdsWithHighestGpa: {string.Join(",", studentAggregate.Top10StudentIdsWithHighestGpa)}");
Console.WriteLine($"StudentIdMostInconsistent: {studentAggregate.StudentIdMostInconsistent}");
}
public async Task SubmitResult(StudentAggregate aggregate)
{
using (var client = _clientFactory.CreateClient("ApiTestClient"))
{
using (var stringContent = new StringContent(JsonConvert.SerializeObject(aggregate)))
{
stringContent.Headers.ContentType = new MediaTypeHeaderValue("application/json");
using (var response = await client.PutAsync("StudentAggregate", stringContent))
{
response.EnsureSuccessStatusCode();
}
}
}
}