public async Task<IHttpActionResult> PutStudent(int id, Student student)
{
if (!ModelState.IsValid)
{
return BadRequest(ModelState);
}
if (id != student.Id)
{
return BadRequest();
}
var dbStudent = db.Students.FirstOrDefault(o => o.Id == student.Id);
var once = true;
foreach (var course in student.Courses)
{
var s = db.Courses.FirstOrDefault(o => o.Id == course.Id);
if (once)
{
dbStudent.Courses.Clear();
once = false;
}
dbStudent.Courses.Add(s);
}
dbStudent.Name = student.Name;
dbStudent.Year = student.Year;
dbStudent.Gender = student.Gender;
dbStudent.Age = student.Age;
db.Entry(dbStudent).State = EntityState.Modified;
try
{
await db.SaveChangesAsync();
}
catch (DbUpdateConcurrencyException)
{
if (!StudentExists(id))
{
return NotFound();
}
else
{
throw;
}
}
return StatusCode(HttpStatusCode.NoContent);
}
public async Task<IHttpActionResult> PostStudent(Student student)
{
if (!ModelState.IsValid)
{
return BadRequest(ModelState);
}
db.Students.Add(student);
await db.SaveChangesAsync();
return CreatedAtRoute("DefaultApi", new { id = student.Id }, student);
}