public async Task <IActionResult> Create([Bind("TeamName,Avatar,Theme,ProblemStatement,ITRequirements,Location,OtherRequirements,Participants")] TeamViewModel teamViewModel)
{
//if (teamViewModel.Location.Equals("Kathmandu", StringComparison.InvariantCultureIgnoreCase))
// return RedirectToAction("Error", "Home", new ErrorViewModel { ErrorCode = "Registration", Message = "Team registration expired for Nepal center." });
if (ModelState.IsValid)
{
if (!ParticipantsEnteredCorrectly(teamViewModel.Participants))
{
ViewData["locations"] = FetchEventLocationSelectItemList();
return(View(teamViewModel));
}
//Raw participants in text are good to deserialize
var participantsDtos = TeamViewModel.DeserializeParticipants(teamViewModel.Participants);
List <Participant> partcipantsOnDb = _context.Participants
.Where(x => x.Team.CreatedOn.Year == DateTime.Now.Year).ToList();
//partcipantsOnDb = _context.Teams
// .Include(x => x.Participants)
// .Where(x => IsCurrentYear(x.CreatedOn))
// .SelectMany(x => x.Participants).ToList();
var alreadyTakenParticipants = partcipantsOnDb.Intersect(participantsDtos, ComplexTypeComparer <Participant> .Create(x => x.Inumber));
if (alreadyTakenParticipants.Any())
{
ModelState.AddModelError("Participants", $"Participants submitted are already involved with other teams: {string.Join(", ", alreadyTakenParticipants.Select(x => x.Name))}. Note: individual participants are distinguished by their INumber.");
ViewData["locations"] = FetchEventLocationSelectItemList();
return(View(teamViewModel));
}
//Autogenerate properties at creation time
teamViewModel.CreatedBy = User.FindFirst(ClaimTypes.Name)?.Value ?? "";
teamViewModel.CreatedOn = DateTime.Now;
teamViewModel.TeamCode = Regex.Replace(Convert.ToBase64String(Guid.NewGuid().ToByteArray()), "[/+=]", "");
_context.Add(new Team(teamViewModel, participantsDtos));
await _context.SaveChangesAsync();
return(RedirectToAction(nameof(Index)));
}
return(View(teamViewModel));
}
public async Task <IActionResult> Edit(string teamCode, [Bind("Id,TeamCode,TeamName,Avatar,Theme,ProblemStatement,ITRequirements,RepoUrl,Location,OtherRequirements,Participants")] TeamViewModel teamViewModel)
{
if (teamCode != teamViewModel.TeamCode)
{
return(NotFound());
}
if (ModelState.IsValid)
{
if (!ParticipantsEnteredCorrectly(teamViewModel.Participants))
{
ViewData["locations"] = FetchEventLocationSelectItemList();
return(View(teamViewModel));
}
//Raw participants in text are good to deserialize
var participantsDtos = TeamViewModel.DeserializeParticipants(teamViewModel.Participants);
var team = new Team(teamViewModel, participantsDtos);
var oldParticipants = _context.Participants.Where(x => x.Team.Id == team.Id);
_context.Participants.RemoveRange(oldParticipants);
try
{
_context.Attach(team);
_context.Entry(team).Property(p => p.TeamName).IsModified = true;
_context.Entry(team).Property(p => p.ProblemStatement).IsModified = true;
_context.Entry(team).Property(p => p.Theme).IsModified = true;
_context.Entry(team).Collection(p => p.Participants).IsModified = true;
_context.Entry(team).Property(p => p.ITRequirements).IsModified = true;
_context.Entry(team).Property(p => p.OtherRequirements).IsModified = true;
_context.Entry(team).Property(p => p.RepoUrl).IsModified = true;
_context.Entry(team).Property(p => p.Location).IsModified = true;
//Only flag as modified if user uploads something
if (team?.Avatar?.Length > 0)
{
_context.Entry(team).Property(p => p.Avatar).IsModified = true;
}
await _context.SaveChangesAsync();
}
catch (DbUpdateConcurrencyException)
{
if (!TeamViewModelExists(teamViewModel.Id))
{
return(NotFound());
}
else
{
throw;
}
}
return(RedirectToAction(nameof(Index)));
}
ViewData["locations"] = FetchEventLocationSelectItemList();
return(View(teamViewModel));
}