public StudentProjectGroups(Student stud, ProjectGroup proj)
{
Student = stud;
ProjectGroup = proj;
}
public ActionResult MakeProject(HttpPostedFileBase file)
{
if (!IsAuthenticated())
{
return RedirectToAction("Index", "Main");
}
string path = null;
List<Student> students = new List<Student>();
if(Request.Form["projectName"].Count() == 0)
return RedirectToAction("Error", "Main", new { errorMessage = "Er is geen projectnaam ingevuld" });
if (file != null)
{
var fileName = Path.GetFileName(file.FileName);
path = AppDomain.CurrentDomain.BaseDirectory + "upload\\" + fileName;
file.SaveAs(path);
// Read the CSV file data
StreamReader sr = new StreamReader(path);
string line = sr.ReadLine();
string[] value = line.Split(';');
DataTable dt = new DataTable();
DataRow row;
int columnCount = 0;
foreach (string dc in value)
{
if (dc.Equals("FirstName") || dc.Equals("LastName") || dc.Equals("StudentNr") || dc.Equals("Year") || dc.Equals("ProjectGroup"))
{
dt.Columns.Add(new DataColumn(dc));
columnCount++;
}
else
return RedirectToAction("Error", "Main", new { errorMessage = "Één kolom header is niet correct" });
}
if (columnCount != 5)
return RedirectToAction("Error", "Main", new { errorMessage = "Het aantal kolommen is niet correct" });
while (!sr.EndOfStream)
{
value = sr.ReadLine().Split(';');
if (value.Length == dt.Columns.Count)
{
row = dt.NewRow();
row.ItemArray = value;
dt.Rows.Add(row);
}
}
Project currentProject = new Project(Request.Form["projectName"], null, new DateTime(2014, 1, 1), new DateTime(2014, 1, 1), null);
ProjectGroup currentGroup = null;
Student currentStudent = null;
List<ProjectGroup> groupsToAdd = new List<ProjectGroup>();
List<Student> studentsToAdd = new List<Student>();
var myEnumerable = dt.AsEnumerable();
foreach (var item in myEnumerable)
{
string pgroup = item.Field<String>("ProjectGroup");
int studnr = int.Parse(item.Field<String>("StudentNr"));
currentStudent = _db.Students.Find(studnr);
//var groupModel = from r in _db.ProjectGroups
// where r.ClassCode == pgroup
// select r;
//dbGroup = groupModel.FirstOrDefault();
if (currentGroup == null)
{
ProjectGroup newGroup = new ProjectGroup(pgroup, currentProject);
groupsToAdd.Add(newGroup);
currentGroup = newGroup;
}
else
{
if (!currentGroup.ClassCode.Equals(pgroup))
{
ProjectGroup newGroup = new ProjectGroup(pgroup, currentProject);
currentProject.ProjectGroups.Add(newGroup);
groupsToAdd.Add(newGroup);
currentGroup = newGroup;
}
}
if (currentStudent == null)
{
Student newStudent = new Student(
int.Parse(item.Field<String>("StudentNr")),
item.Field<String>("FirstName"),
item.Field<String>("LastName"),
int.Parse(item.Field<String>("Year")),
null); // mentor
studentsToAdd.Add(newStudent);
currentStudent = newStudent;
}
if (currentStudent != null && currentGroup != null)
{
StudentProjectGroups spg = new StudentProjectGroups(currentStudent, currentGroup);
currentStudent.StudentProjectGroup.Add(spg);
if (currentGroup.StudentProjectGroup == null)
currentGroup.StudentProjectGroup = new List<StudentProjectGroups>();
currentGroup.StudentProjectGroup.Add(spg);
}
}
_db.Projects.Add(currentProject);
foreach (Student stud in studentsToAdd)
{
_db.Students.Add(stud);
}
foreach (ProjectGroup group in groupsToAdd)
{
_db.ProjectGroups.Add(group);
}
sr.Close();
file = null;
System.IO.File.Delete(path);
_db.SaveChanges();
return RedirectToAction("CheckProjectGroup");
}
return RedirectToAction("Error", "Main", new {errorMessage = "Er is geen bestand geselecteerd"});
}
