public IActionResult CreateCourseEdition([FromBody] CourseEditionViewModel editionViewModel)
{
if (editionViewModel == null || editionViewModel.CourseId < 0)
{
return(BadRequest());
}
if (editionViewModel.EndDate < editionViewModel.StartDate)
{
ModelState.AddModelError("StartDate", "Start date must be prior to end date.");
}
if (!ModelState.IsValid)
{
return(BadRequest(ModelState));
}
editionWork.Begin();
var course = editionWork.Courses.FindByID(editionViewModel.CourseId);
if (course == null)
{
return(NotFound());
}
var edition = new CourseEdition()
{
CourseId = editionViewModel.CourseId,
StartDate = editionViewModel.StartDate,
EndDate = editionViewModel.EndDate,
Cost = editionViewModel.Cost
};
editionWork.CourseEditions.Add(edition);
editionWork.Save();
editionWork.End();
return(CreatedAtRoute("GetCourseEdition",
new { edition.Id }, edition.ToViewModel()));
}
public void Remove(long editionId)
{
var toRemove = new CourseEdition {
Id = editionId
};
ctx.CourseEditions.Remove(toRemove);
}
private void CreateEnrollmentsForBestStudentsTest()
{
// best 2 students for course 0: student 1 with a 410, student 3 with an average of (230 + 200)/2
// best 2 students for edition 0: student 1 with 410 , student 2 with 210
// best 2 students for course 1 : student 0 with 500 , second student 2 with 420
// best 2 students overall : student 2 with 415 , student 1 with 410
var students = new Student[4];
for (int i = 0; i < students.Length; i++)
{
students[i] = new Student {
Name = TEST_NAME + i, BirthDate = DateTime.Today.AddYears(-20)
};
}
for (int i = 0; i < courses.Length; i++)
{
courses[i] = new Course {
Title = TEST_TITLE + i, DurationInHours = 40, Level = CourseLevel.Introductory
};
}
for (int i = 0; i < courseEditions.Length; i++)
{
courseEditions[i] = new CourseEdition {
Course = i < (courseEditions.Length - 1) ? courses[0] : courses[1], StartDate = DateTime.Today, EndDate = DateTime.Today.AddDays(1), Cost = 1000
};
}
var enrollments = new Enrollment[8];
enrollments[0] = new Enrollment {
Score = 200, Student = students[0], CourseEdition = courseEditions[0], EnrollmentDate = DateTime.Today
};
enrollments[1] = new Enrollment {
Score = 410, Student = students[1], CourseEdition = courseEditions[0], EnrollmentDate = DateTime.Today
};
enrollments[2] = new Enrollment {
Score = 210, Student = students[2], CourseEdition = courseEditions[0], EnrollmentDate = DateTime.Today
};
enrollments[3] = new Enrollment {
Score = 200, Student = students[3], CourseEdition = courseEditions[0], EnrollmentDate = DateTime.Today
};
enrollments[4] = new Enrollment {
Score = 230, Student = students[3], CourseEdition = courseEditions[1], EnrollmentDate = DateTime.Today
};
enrollments[5] = new Enrollment {
Score = 500, Student = students[0], CourseEdition = courseEditions[2], EnrollmentDate = DateTime.Today
};
enrollments[6] = new Enrollment {
Score = 420, Student = students[2], CourseEdition = courseEditions[2], EnrollmentDate = DateTime.Today
};
enrollments[7] = new Enrollment {
Score = 50, Student = students[3], CourseEdition = courseEditions[2], EnrollmentDate = DateTime.Today
};
ctx.Enrollments.AddRange(enrollments);
ctx.SaveChanges();
}
public static CourseEditionViewModel ToViewModel(this CourseEdition edition)
{
return(new CourseEditionViewModel()
{
Id = edition.Id,
CourseId = edition.CourseId,
StartDate = edition.StartDate,
EndDate = edition.EndDate,
Cost = edition.Cost
});
}
public void RemoveFromCourseEdition(CourseEdition edition, Student student)
{
Enrollment enro = new Enrollment(edition.Id, student.Id);
ctx.Enrollments.Remove(enro);
}
public void EnrollInCourseEdition(CourseEdition edition, Student student)
{
Enrollment enro = new Enrollment(edition.Id, student.Id);
ctx.Enrollments.Add(enro);
}
public void Add(CourseEdition edition)
{
ctx.CourseEditions.Add(edition);
}