public Student Enroll(Guid id, Guid courseId)
{
Student student = _studentRepository.FindStudentWithCoursesAndAssessmentById(id);
StudentCourse alreadyEnrolledCourse = student.StudentCourses
.FirstOrDefault(stdcou => stdcou.CourseId.Equals(courseId));
if (alreadyEnrolledCourse != null && !alreadyEnrolledCourse.IsEnrolled)
{
List <StudentCourse> studentCourses = student.StudentCourses.ToList();
studentCourses.Remove(alreadyEnrolledCourse);
alreadyEnrolledCourse.IsEnrolled = true;
studentCourses.Add(alreadyEnrolledCourse);
student.StudentCourses = studentCourses;
return(_studentRepository.Update(student));
}
StudentCourse studentCourse = new StudentCourse
{
StudentId = id,
CourseId = courseId,
IsEnrolled = true
};
student.StudentCourses.Add(studentCourse);
List <Assessment> courseAssessments = _assessmentRepository.FindAllCourseAssessment(courseId);
foreach (var assessment in courseAssessments)
{
StudentAssessment studentAssessment = new StudentAssessment
{
StudentId = id,
AssessmentId = assessment.Id
};
student.StudentAssessments.Add(studentAssessment);
}
_studentRepository.Update(student);
return(student);
}