public ActionResult Edit(int? id)
{
Event CHevent;
if (!id.HasValue)
{
CHevent = new Event();
}
else
{
CHevent = new EventRepository().GetByID(id.Value);
if (CHevent == null)
{
return RedirectToAction("List");
}
}
EventsEditVM model = new EventsEditVM();
model.ID = CHevent.ID;
model.Name = CHevent.Name;
model.Start = CHevent.Start;
model.End = CHevent.End;
model.HallID = CHevent.HallID;
model.Halls = GetHalls();
model.Users = PopulateAssignedUsers(CHevent);
return View(model);
}
public ActionResult Edit()
{
EventsEditVM model = new EventsEditVM();
TryUpdateModel(model);
EventRepository eventRep = new EventRepository(unitOfWork);
string selectedUsers = Request.Form["assignedUsers"];
string[] assignedUsers;
if (selectedUsers == null)
{
assignedUsers = new string[0];
}
else
{
assignedUsers = selectedUsers.Split(',');
}
Event CHevent;
if (model.ID == 0)
{
CHevent = new Event();
}
else
{
CHevent = eventRep.GetByID(model.ID);
if (CHevent == null)
{
return RedirectToAction("List");
}
}
if (!ModelState.IsValid)
{
model.Users = PopulateAssignedUsers(CHevent);
model.Halls = GetHalls();
return View(model);
}
CHevent.ID = model.ID;
CHevent.Name = model.Name;
CHevent.Start = model.Start;
CHevent.End = model.End;
CHevent.HallID = model.HallID;
UpdateEventUsers(CHevent, assignedUsers);
eventRep.Save(CHevent);
unitOfWork.Commit();
System.Threading.Tasks.Task.Run(() => EmailService.SendEmail(CHevent.Users));
return RedirectToAction("List");
}
public void UpdateEventUsers(Event CHevent, string[] assignedUsers)
{
if (assignedUsers == null)
{
return;
}
if (CHevent.Users == null)
{
CHevent.Users = new List<User>();
}
var assignedUsersHS = new HashSet<string>(assignedUsers);
var eventUsers = new HashSet<int>(CHevent.Users.Select(g => g.ID));
foreach (var user in new UserRepository(unitOfWork).GetAll())
{
if (assignedUsersHS.Contains(user.ID.ToString()))
{
if (!eventUsers.Contains(user.ID))
{
CHevent.Users.Add(user);
}
}
else
{
if (eventUsers.Contains(user.ID))
{
CHevent.Users.Remove(user);
}
}
}
}
public List<AssignedUsersVM> PopulateAssignedUsers(Event CHevent)
{
List<AssignedUsersVM> assignedUsers = new List<AssignedUsersVM>();
List<User> users = new UserRepository().GetAll();
if (CHevent.Users == null)
{
CHevent.Users = new List<User>();
}
foreach (var u in users)
{
assignedUsers.Add(new AssignedUsersVM
{
ID = u.ID,
Name = u.FirstName + " " + u.LastName,
IsAssigned = CHevent.Users.Select(us => us.ID).Contains(u.ID)
});
}
return assignedUsers;
}