public async Task <ActionResult> GetUngradedSubmissions(int courseId)
{
GetUngradedSubmissionFilesDto dto = new GetUngradedSubmissionFilesDto {
CourseId = courseId
};
ServiceResponse <IEnumerable <string> > response = await _submissionService.DownloadNotGradedSubmissions(dto);
if (!response.Success)
{
return(BadRequest(response));
}
List <string> files = response.Data.ToList();
var webRoot = _hostingEnvironment.ContentRootPath;
var fileName = "Submissions.zip";
var tempOutput = webRoot + "/StaticFiles/Submissions/" + fileName;
using (ZipOutputStream zipOutputStream = new ZipOutputStream(System.IO.File.Create(tempOutput)))
{
zipOutputStream.SetLevel(9);
byte[] buffer = new byte[4096];
for (int i = 0; i < files.Count; i++)
{
ZipEntry zipEntry = new ZipEntry(Path.GetFileName(files[i]));
zipEntry.DateTime = DateTime.Now;
zipEntry.IsUnicodeText = true;
zipOutputStream.PutNextEntry(zipEntry);
using (FileStream fileStream = System.IO.File.OpenRead(files[i]))
{
int sourceBytes;
do
{
sourceBytes = fileStream.Read(buffer, 0, buffer.Length);
zipOutputStream.Write(buffer, 0, sourceBytes);
} while (sourceBytes > 0);
}
}
zipOutputStream.Finish();
zipOutputStream.Flush();
zipOutputStream.Close();
byte[] finalResult = System.IO.File.ReadAllBytes(tempOutput);
if (System.IO.File.Exists(tempOutput))
{
System.IO.File.Delete(tempOutput);
}
if (finalResult == null || !finalResult.Any())
{
return(BadRequest(response));
}
return(File(finalResult, "application/zip", fileName));
}
}
public async Task <ServiceResponse <IEnumerable <string> > > DownloadNotGradedSubmissions(GetUngradedSubmissionFilesDto dto)
{
ServiceResponse <IEnumerable <string> > response = new ServiceResponse <IEnumerable <string> >();
User user = await _context.Users.Include(u => u.ProjectGroups).FirstOrDefaultAsync(u => u.Id == GetUserId());
Course course = await _context.Courses.Include(u => u.Instructors).FirstOrDefaultAsync(c => c.Id == dto.CourseId);
if (course == null)
{
response.Data = null;
response.Message = "There is no course under this Id";
response.Success = false;
return(response);
}
if (course.Instructors.FirstOrDefault(i => i.UserId == user.Id) == null && user.UserType == UserTypeClass.Student)
{
response.Data = null;
response.Message = "You are not authorized for this endpoint";
response.Success = false;
return(response);
}
response.Data = _context.Submissions.Include(s => s.AffiliatedAssignment)
.Where(s => !s.IsGraded && s.AffiliatedAssignment.IsItGraded).Select(s => s.FilePath);
return(response);
}
