public IHttpActionResult PutEnrollment(int id, [FromBody] EnrollmentBindModel enrollmentBindmodel)
{
var re = Request;
var header = re.Headers;
string h;
try
{
h = header.GetValues("Authorization").First();
}
catch (Exception)
{
throw new HttpResponseException(HttpStatusCode.Unauthorized);
}
TokenService bsu = new TokenService(new ModelStateWrapper(this.ModelState), unitOfWork);
Token token = bsu.GetByName(h);
if (!token.User.IsTeacher)
{
HttpResponseMessage message = new HttpResponseMessage(HttpStatusCode.NotImplemented);
message.Content = new StringContent("You don't have permission for this activity!");
throw new HttpResponseException(message);
}
else
{
if (!EnrollmentExists(id))
{
Enrollment enrollment = new Enrollment();
enrollment.Id = id;
enrollment.UpdatedAt = DateTime.Now;
enrollment.CourseId = enrollmentBindmodel.CourseId;
enrollment.UserId = token.UserId;
try
{
service.Update(enrollment);
service.Save();
}
catch
{
if (!EnrollmentExists(id))
{
return(NotFound());
}
else
{
throw;
}
}
return(Ok(enrollmentBindmodel));
}
else
{
HttpResponseMessage message = new HttpResponseMessage(HttpStatusCode.NotImplemented);
message.Content = new StringContent("The enrollment doesn't exist!");
throw new HttpResponseException(message);
}
}
}
public IHttpActionResult PostEnrollment([FromBody] EnrollmentBindModel enrollmentBindModel)
{
var re = Request;
var header = re.Headers;
string h;
try
{
h = header.GetValues("Authorization").First();
}
catch (Exception)
{
throw new HttpResponseException(HttpStatusCode.Unauthorized);
}
TokenService bsu = new TokenService(new ModelStateWrapper(this.ModelState), unitOfWork);
Token token = bsu.GetByName(h);
int userCount = 0;
BaseService <Enrollment> enrollmentService = new BaseService <Enrollment>(new ModelStateWrapper(this.ModelState), unitOfWork);
BaseService <Course> courseService = new BaseService <Course>(new ModelStateWrapper(this.ModelState), unitOfWork);
Course course = courseService.GetById(enrollmentBindModel.CourseId);
List <Enrollment> enrollments = enrollmentService.GetAll(e => e.CourseId == enrollmentBindModel.CourseId);
List <Enrollment> userEnrollments = enrollmentService.GetAll(e => e.UserId == token.UserId);
foreach (var item in enrollments)
{
userCount++;
}
bool flag = true;
foreach (var item in userEnrollments)
{
if (item.UserId == token.UserId && item.CourseId == enrollmentBindModel.CourseId)
{
flag = false;
}
}
if (flag == false)
{
HttpResponseMessage message = new HttpResponseMessage(HttpStatusCode.NotImplemented);
message.Content = new StringContent("You have already enrolled for this course!");
throw new HttpResponseException(message);
}
else
{
if (course.Capacity > userCount)
{
Enrollment enrollment = new Enrollment
{
CreatedAt = DateTime.Now,
UpdatedAt = DateTime.Now,
UserId = token.UserId,
CourseId = enrollmentBindModel.CourseId
};
PostEnrollmentBindModel allEnrollmentsBindModel = new PostEnrollmentBindModel
{
CourseId = enrollmentBindModel.CourseId,
Grade = enrollment.Grade,
CreatedAt = enrollment.CreatedAt
};
enrollmentService.Create(enrollment);
enrollmentService.Save();
return(Ok(allEnrollmentsBindModel));
}
else
{
HttpResponseMessage message = new HttpResponseMessage(HttpStatusCode.NotImplemented);
message.Content = new StringContent("You can't enroll for this course, it is filled!");
throw new HttpResponseException(message);
}
}
}
