public ActionResult Create(Match match)
{
var matchError = GetMatchError(match);
if (ModelState.IsValid && string.IsNullOrEmpty(matchError)) {
db.Matches.Add(match);
db.SaveChanges();
return RedirectToAction("Index");
}
ViewBag.HomeTeamId = new SelectList(db.Teams, "Id", "Name", match.HomeTeamId);
ViewBag.AwayTeamId = new SelectList(db.Teams, "Id", "Name", match.AwayTeamId);
ViewBag.Error = matchError;
return View(match);
}
private string GetMatchError(Match match)
{
var homeTeam = db.Teams.Find(match.HomeTeamId);
var awayTeam = db.Teams.Find(match.AwayTeamId);
var isInSameGroup = homeTeam.GroupId == awayTeam.GroupId;
var homeTeamOpponents =
homeTeam.HomeMatches.Select(x => x.AwayTeamId).Concat(homeTeam.AwayMatches.Select(x => x.HomeTeamId)).Distinct();
var hasNotPlayedBefore = !homeTeamOpponents.Contains(awayTeam.Id);
var error = isInSameGroup ? string.Empty : "Ikke i samme gruppe";
error += hasNotPlayedBefore ? string.Empty : "Kamp allerede registrert";
error += match.HomeTeamId != match.AwayTeamId ? string.Empty : "Samme lag";
return error;
}
public ActionResult Edit(Match match)
{
if (ModelState.IsValid)
{
db.Entry(match).State = EntityState.Modified;
db.SaveChanges();
return RedirectToAction("Index", "Home");
}
ViewBag.HomeTeamId = new SelectList(db.Teams, "Id", "Name", match.HomeTeamId);
ViewBag.AwayTeamId = new SelectList(db.Teams, "Id", "Name", match.AwayTeamId);
return View(match);
}