public static void GetStudentsScoresFromCourse(string courseName, string userName)
{
if (IsQueryForStudentPossible(courseName, userName))
{
OutputWriter.PrintStudent(new KeyValuePair <string, List <int> > (userName, studentsByCourse[courseName][userName]));
}
}
private static void PrintStudent(Dictionary <string, List <int> > studentsSorted)
{
foreach (var kvp in studentsSorted)
{
OutputWriter.PrintStudent(kvp);
}
}
private static void PrintStudents(Dictionary <string, List <int> > studentsSorted)
{
foreach (var keyValuePair in studentsSorted)
{
OutputWriter.PrintStudent(keyValuePair);
}
{
}
}
public static void GetAllStudentcFromCourse(string courseName)
{
if (IsQueryForCoursePossible(courseName))
{
OutputWriter.WriteMessageOnNewLine($"{courseName}:");
foreach (var studentMarksEntry in studentsByCourse[courseName])
{
OutputWriter.PrintStudent(studentMarksEntry);
}
}
}
private static void FilterAndTake(Dictionary <string, List <int> > wantedData, Predicate <double> givenFilter, int studentsToTake)
{
int counterForPrinted = 0;
foreach (var username in wantedData)
{
if (counterForPrinted == studentsToTake)
{
break;
}
double averageScore = username.Value.Average();
double percentageOfFullfilment = averageScore / 100;
double mark = percentageOfFullfilment * 4 + 2;
if (givenFilter(mark))
{
OutputWriter.PrintStudent(username);
counterForPrinted++;
}
}
}