public CourseModel Create(Course course)
{
return new CourseModel()
{
URL = _urlHelper.Link("Courses", new { id = course.Id }),
Id = course.Id,
Name = course.Name,
Duration = course.Duration,
Description = course.Description,
Tutor = Create(course.CourseTutor),
Subject = Create(course.CourseSubject)
};
}
public Course Parse(CourseModel model)
{
try
{
var course = new Course()
{
Name = model.Name,
Description = model.Description,
Duration = model.Duration,
CourseSubject = _repo.GetSubject(model.Subject.Id),
CourseTutor = _repo.GetTutor(model.Tutor.Id)
};
return course;
}
catch (Exception)
{
return null;
}
}
public Enrollment()
{
Student = new Student();
Course = new Course();
}
public bool Update(Course originalCourse, Course updatedCourse)
{
_ctx.Entry(originalCourse).CurrentValues.SetValues(updatedCourse);
//To update child entites in Course entity
originalCourse.CourseSubject = updatedCourse.CourseSubject;
originalCourse.CourseTutor = updatedCourse.CourseTutor;
return true;
}
public bool Insert(Course course)
{
try
{
_ctx.Courses.Add(course);
return true;
}
catch
{
return false;
}
}
public void Seed()
{
if (_ctx.Courses.Count<Course>() > 0)
{
return;
}
try
{
foreach (var subjectName in subjects)
{
var subject = new Subject()
{
Name = subjectName
};
_ctx.Subjects.Add(subject);
_ctx.SaveChanges();
}
for (int i = 0; i < tutorNames.Length; i++)
{
var nameGenderMail = SplitValue(tutorNames[i]);
var tutor = new Tutor
{
Email = String.Format("{0}.{1}@{2}", nameGenderMail[0], nameGenderMail[1], nameGenderMail[3]),
UserName = String.Format("{0}{1}", nameGenderMail[0], nameGenderMail[1]),
Password = RandomString(8),
FirstName = nameGenderMail[0],
LastName = nameGenderMail[1],
Gender = ((Gender)Enum.Parse(typeof(Gender), nameGenderMail[2]))
};
_ctx.Tutors.Add(tutor);
var courseSubject = _ctx.Subjects.Where(s => s.Id == i + 1).Single();
foreach (var CourseDataItem in CoursesSeedData.Where(c => c.SubjectID == courseSubject.Id))
{
var course = new Course
{
Name = CourseDataItem.CourseName,
CourseSubject = courseSubject,
CourseTutor = tutor,
Duration = new Random().Next(3, 6),
Description = String.Format("The course will talk in depth about: {0}", CourseDataItem.CourseName)
};
_ctx.Courses.Add(course);
}
}
_ctx.SaveChanges();
for (int i = 0; i < studentNames.Length; i++)
{
var nameGenderMail = SplitValue(studentNames[i]);
var student = new Student()
{
Email = String.Format("{0}.{1}@{2}", nameGenderMail[0], nameGenderMail[1], nameGenderMail[3]),
UserName = String.Format("{0}{1}", nameGenderMail[0], nameGenderMail[1]),
Password = RandomString(8),
FirstName = nameGenderMail[0],
LastName = nameGenderMail[1],
Gender = ((Gender)Enum.Parse(typeof(Gender), nameGenderMail[2])),
DateOfBirth = DateTime.UtcNow.AddDays(-new Random().Next(7000, 8000)),
RegistrationDate = DateTime.UtcNow.AddDays(-new Random().Next(365, 730))
};
_ctx.Students.Add(student);
int maxCoursesId = _ctx.Courses.Max(c => c.Id);
//To enroll in 4 courses randomly
for (int z = 0; z < 4; z++)
{
int randomCourseId = new Random().Next(1, maxCoursesId);
var enrollment = new Enrollment
{
Student = student,
Course = _ctx.Courses.Where(c => c.Id == randomCourseId).Single(),
EnrollmentDate = DateTime.UtcNow.AddDays(-new Random().Next(10, 30))
};
_ctx.Enrollments.Add(enrollment);
}
}
_ctx.SaveChanges();
}
catch (Exception ex)
{
string message = ex.ToString();
throw ex;
}
}