public async Task <IActionResult> GetAssignment([FromBody] AssignRequest assignRequest)
{
IActionResult resp = NotFound();
try
{
var exam = await db.Exams.FirstOrDefaultAsync(e => e.Id == assignRequest.ExamId);
var student = await db.Students.FirstOrDefaultAsync(s => s.Id == assignRequest.StudentId);
var now = DateTime.UtcNow;
if (exam != null && exam.AuthenticationCode == assignRequest.AuthenticationCode && student != null &&
student.Number == assignRequest.StudentNumber &&
(!exam.IsLimitedAccess || exam.IsLimitedAccess && exam.Start <= now &&
exam.Start.AddMinutes(exam.DurationMinutes) >= now))
{
//ok, we believe that you are one of the students who should get a set of documents from this exam (one per question)
var documents = await getDocumentsForStudent(exam, student,
HttpContext.Connection.RemoteIpAddress?.ToString());
//notify prof that a student has been allocated something
await sendNotification(exam, student, documents);
//zip the files
var ms = await AssignmentHandler.CreateZipArchive(documents, student.Name);
resp = File(ms.ToArray(), "application/zip", $"{student.Name}.zip");
logger.LogTrace(
$"{assignRequest} fulfilled with {string.Join(",", documents.Select(d => d.Id).ToList())}");
}
else
{
logger.LogWarning($"{assignRequest} not a match or too early {exam?.IsLimitedAccess}");
if (exam?.IsLimitedAccess ?? false)
{
resp = BadRequest();
}
}
}
catch (Exception ex)
{
logger.LogError(ex, assignRequest.ToString());
resp = StatusCode(statusCode: 500);
}
return(resp);
}
