public static void Import(SchoolDatabaseContext db, int count)
{
var generator = RandomGenerator.Instance;
var studentsIDs = db.Students.Select(s => s.Id).OrderBy(s => Guid.NewGuid()).ToList();
for (int i = 0; i < count; i++)
{
var course = new Course()
{
Name = generator.GetRandomString(5, 20),
Description = generator.GetRandomString(50, 200),
Materials = generator.GetRandomString(10, 100),
};
var studentsInCourse = generator.GetRandomNumber(20, 30);
for (int j = 0; j < studentsInCourse; j++)
{
var studentID = studentsIDs[generator.GetRandomNumber(0, studentsIDs.Count - 1)];
course.Students.Add(db.Students.Where(s => s.Id == studentID).First());
}
db.Courses.Add(course);
}
db.SaveChanges();
Console.WriteLine("{0} Courses imported", count);
}
private void detach_Courses(Course entity)
{
this.SendPropertyChanging();
entity.Category = null;
}
private void attach_Courses(Course entity)
{
this.SendPropertyChanging();
entity.Category = this;
}
partial void DeleteCourse(Course instance);
partial void UpdateCourse(Course instance);
partial void InsertCourse(Course instance);
public IHttpActionResult Post(CourseApiModel model)
{
if (!ModelState.IsValid)
{
return this.BadRequest(ModelState);
}
var courseForDb = new Course()
{
Name = model.Name,
Description = model.Description,
Materials = model.Materials,
Homeworks = new List<Homework>(),
Students = new List<Student>()
};
this.Data.Courses.Add(courseForDb);
this.Data.SaveChanges();
return this.Ok(model);
}