/// <summary>
/// create new grade
/// </summary>
/// <param name="percentualValue">value of the grade in double format 0 -> 0%, 1-> 100%</param>
/// <param name="comment">comment to the grade</param>
/// <param name="topic">topic of the grade</param>
/// <param name="weight">weight of the grade</param>
/// <param name="student">student that this grade belongs to</param>
public Grade(double percentualValue, string comment, string topic, int weight, CourseMember student)
{
PercentualValue = percentualValue;
Comment = comment;
Topic = topic;
Weight = weight;
Student = student;
}
/// <summary>
/// create new test submission
/// </summary>
/// <param name="test">test that this submission belongs to</param>
/// <param name="student">student that this submission belongs to</param>
/// <param name="submittedAnswers">colleciton of submitted answers</param>
public TestSubmission(CourseTest test, CourseMember student, ICollection <TestSubmissionAnswer> submittedAnswers)
{
Test = test;
Student = student;
Answers = submittedAnswers;
IsReviewed = false;
IsSubmitted = false;
}