public async Task <IActionResult> Edit(int id, [Bind("EventId,UserId,EventCreator,EventMembers,DeclinedMembers,Subject,Description,Location,StartTime,EndTime,IsFullDay")] Event @event)
{
if (id != @event.EventId)
{
return(NotFound());
}
if (ModelState.IsValid)
{
try
{
@event.SchedulerUser = await _userManager.GetUserAsync(HttpContext.User); // Find current User
//Lowercase all members
@event.EventMembers = @event.EventMembers.ConvertAll(d => d.ToLower());
// Checks current event. Initialize new list for updated Declined members.
// Add current members that have already declined event to new declined list.
// This removes declinded member count for event members that have been removed during edit.
// Not required for event creator as they cannot be edited. Once declined it is final (shown as +1 in delete confirmed).
var currentEvent = await _context.Events
.AsNoTracking()
.FirstOrDefaultAsync(e => e.EventId == id);
List <string> currentDeclindedMembers = new List <string>();
foreach (var e in @event.EventMembers)
{
foreach (var d in currentEvent.DeclinedMembers)
{
if (e == d)
{
currentDeclindedMembers.Add(e);
}
}
}
@event.DeclinedMembers = currentDeclindedMembers;
_context.Update(@event);
await _context.SaveChangesAsync();
}
catch (DbUpdateConcurrencyException)
{
if (!EventExists(@event.EventId))
{
return(NotFound());
}
else
{
throw;
}
}
return(RedirectToAction(nameof(Index)));
}
return(View(@event));
}
