// PUT api/universities/{universityCode}/students/{studentId}
public HttpResponseMessage PutStudent(string universityCode, string studentId, EIStudent student)
{
if (ModelState.IsValid && studentId == student.StudentId)
{
EIStudent existingStudent = GetStudent(universityCode, studentId);
existingStudent.Firstname = student.Firstname;
existingStudent.Lastname = student.Lastname;
//db.Entry(existingStudent).State = EntityState.Modified;
try
{
db.SaveChanges();
}
catch (DbUpdateConcurrencyException)
{
return(Request.CreateResponse(HttpStatusCode.NotFound));
}
return(Request.CreateResponse(HttpStatusCode.OK));
}
else
{
return(Request.CreateResponse(HttpStatusCode.BadRequest));
}
}
// GET api/universities/{universityCode}/students/{studentId}
public EIStudent GetStudent(string universityCode, string studentId)
{
EIStudent student = db.Students.FirstOrDefault(s => s.EducationalInstitute.Code == universityCode && s.StudentId == studentId);
if (student == null)
{
throw new HttpResponseException(Request.CreateResponse(HttpStatusCode.NotFound));
}
return(student);
}
// POST api/universities/{universityCode}/students/
public HttpResponseMessage PostStudent(string universityCode, EIStudent student)
{
if (ModelState.IsValid)
{
student.EducationalInstitute = db.EducationalInstitutes.First(u => u.Code == universityCode);
db.Students.Add(student);
db.SaveChanges();
HttpResponseMessage response = Request.CreateResponse(HttpStatusCode.Created, student);
response.Headers.Location = new Uri(Url.Link("StudentOfEducationalInstitute", new { universityCode = universityCode, studentId = student.StudentId }));
return(response);
}
else
{
return(Request.CreateResponse(HttpStatusCode.BadRequest));
}
}
// DELETE api/universities/{universityCode}/students/{studentId}
public HttpResponseMessage DeleteStudent(string universityCode, string studentId)
{
EIStudent student = GetStudent(universityCode, studentId);
if (student == null)
{
return(Request.CreateResponse(HttpStatusCode.NotFound));
}
db.Students.Remove(student);
try
{
db.SaveChanges();
}
catch (DbUpdateConcurrencyException)
{
return(Request.CreateResponse(HttpStatusCode.NotFound));
}
return(Request.CreateResponse(HttpStatusCode.OK, student));
}