public async Task <IHttpActionResult> RemoveLearner(UpdateLearnerEnrollmentModel model)
{
try
{
var courseEvent = await db.CourseEvents.FindAsync(model.CourseEventId);
foreach (var userId in model.UserId)
{
var learner = await db.Learners
.Include(x => x.User)
.FirstOrDefaultAsync(x => x.UserId == userId);
if (learner == null)
{
return(BadRequest("Unable to unenroll learner"));
}
var enrollment = db.Enrollments.FirstOrDefault(x => x.CourseEventId == courseEvent.Id &&
x.LearnerId == learner.Id && x.Status == EnrollmentStatus.Enrolled);
if (enrollment == null)
{
return(BadRequest("Unable to unenroll learner"));
}
enrollment.Status = EnrollmentStatus.Removed;
enrollment.EnrollmentHistories.Add(
new EnrollmentHistory
{
EnrollmentId = enrollment.Id,
LearnerId = learner.Id,
Status = EnrollmentStatus.Removed,
Remark = "Removed from Enrollment"
}
);
db.SetModified(enrollment);
db.SaveChanges();
}
return(Ok(courseEvent.CourseId.ToString()));
}
catch (Exception e)
{
return(BadRequest(e.Message));
}
}
public async Task <ActionResult> RemoveLearner(int CourseId, int CourseEventId, int[] Ids)
{
var model = new UpdateLearnerEnrollmentModel
{
CourseEventId = CourseEventId,
UserId = Ids.ToList()
};
var response = await WepApiMethod.SendApiAsync <string>(HttpVerbs.Post, CourseEventApiUrl.RemoveLearner, model);
if (response.isSuccess)
{
TempData["SuccessMessage"] = "User successfully removed from this course.";
await LogActivity(Modules.Learning, "Remove learner from this course.", model);
}
else
{
TempData["ErrorMessage"] = "Fail to remove learner to this course.";
}
return(RedirectToAction("Content", "Courses", new { area = "eLearning", id = CourseId }));
}
public async Task <IHttpActionResult> AddLearner(UpdateLearnerEnrollmentModel model)
{
try
{
var courseEvent = await db.CourseEvents.FindAsync(model.CourseEventId);
foreach (var userId in model.UserId)
{
var learner = await db.Learners
.Include(x => x.User)
.FirstOrDefaultAsync(x => x.UserId == userId);
if (learner == null)
{
learner = new Learner
{
UserId = userId,
Point = 0,
CourseEnrolled = 1
};
db.Learners.Add(learner);
db.SaveChanges();
}
var enrollment = db.Enrollments.FirstOrDefault(x => x.CourseEventId == courseEvent.Id &&
x.LearnerId == learner.Id);
if (enrollment == null)
{
var newEnrollment = new Enrollment
{
CourseId = courseEvent.CourseId,
CourseEventId = courseEvent.Id,
LearnerId = learner.Id,
EnrolledDate = DateTime.Now,
Status = EnrollmentStatus.Enrolled,
};
db.Enrollments.Add(newEnrollment);
db.SaveChanges();
newEnrollment.EnrollmentHistories = new List <EnrollmentHistory>
{
new EnrollmentHistory
{
EnrollmentId = newEnrollment.Id,
LearnerId = learner.Id,
Status = EnrollmentStatus.Enrolled,
UserId = userId,
CourseId = courseEvent.CourseId,
CourseEventId = courseEvent.Id
}
};
db.SetModified(newEnrollment);
db.SaveChanges();
}
else
{
enrollment.Status = EnrollmentStatus.Enrolled;
enrollment.EnrollmentHistories.Add(new EnrollmentHistory
{
EnrollmentId = enrollment.Id,
LearnerId = learner.Id,
Status = EnrollmentStatus.Enrolled,
Remark = "Learner reenrolled",
UserId = userId,
CourseId = courseEvent.CourseId,
CourseEventId = courseEvent.Id
}
);
db.SetModified(enrollment);
db.SaveChanges();
}
}
return(Ok(courseEvent.CourseId.ToString()));
}
catch (Exception e)
{
return(BadRequest(e.Message));
}
}
