public ActionResult ViewGeneratedExamination(string examGroup)
{
List <ExaminationViewModel> exams = examinationService.GetExamByExamGroup(examGroup);
TempData["active"] = "Examination";
return(View(exams));
}
//[Feature(FeatureType.Page, "Export Group Examination ", "QBCS", protectType: ProtectType.Authorized)]
public FileResult ExportGroupExamination(string examGroup, string fileExtension)
{
string zipFileName = null;
List <ExaminationViewModel> exams = examinationService.GetExamByExamGroup(examGroup);
//the output bytes of the zip file
byte[] fileBytes = null;
//create working memory stream of zip file
using (MemoryStream memoryStream = new MemoryStream())
{
//create a zip file
using (ZipArchive zip = new ZipArchive(memoryStream, ZipArchiveMode.Create, true))
{
//file xml
if (fileExtension.ToLower().Equals("xml"))
{
foreach (var exam in exams)
{
string fileName = exam.Course.Code + "_" + exam.ExamGroup + "_" + exam.ExamCode + "_" + DateTime.Now.ToString("yyyyMMdd");
List <QuestionInExamViewModel> questions = new List <QuestionInExamViewModel>();
foreach (var part in exam.PartOfExam)
{
questions = questions.Concat(part.Question).ToList();
}
if (zipFileName == null)
{
zipFileName = exam.Course.Code + "_" + exam.ExamGroup + "_" + DateTime.Now.ToString("yyyyMMdd") + "_XML";
}
//add item to zip
ZipArchiveEntry zipItem = zip.CreateEntry(fileName + ".xml");
//stream for item
byte[] itemBytes = ExportToXMLFile(questions);
using (Stream entryStream = zipItem.Open())
{
Stream itemStream = new MemoryStream(itemBytes);
itemStream.CopyTo(entryStream);
}
}
// file GIFT
}
else
{
foreach (var exam in exams)
{
string fileName = exam.Course.Code + "_" + exam.ExamGroup + "_" + exam.ExamCode + "_" + DateTime.Now.ToString("yyyyMMdd");
List <QuestionInExamViewModel> questions = new List <QuestionInExamViewModel>();
foreach (var part in exam.PartOfExam)
{
questions = questions.Concat(part.Question).ToList();
}
if (zipFileName == null)
{
zipFileName = exam.Course.Code + "_" + exam.ExamGroup + "_" + DateTime.Now.ToString("yyyyMMdd") + "_GIFT";
}
//add item to zip
ZipArchiveEntry zipItem = zip.CreateEntry(fileName + ".txt");
//stream for item
byte[] itemBytes = ExportToGIFTFile(questions);
using (Stream entryStream = zipItem.Open())
{
Stream itemStream = new MemoryStream(itemBytes);
itemStream.CopyTo(entryStream);
}
}
}
}
fileBytes = memoryStream.ToArray();
}
return(File(fileBytes, System.Net.Mime.MediaTypeNames.Application.Octet, zipFileName + ".zip"));
}
