public ActionResult Create(MatchMiddleStage matchmiddlestage)
{
var matchError = GetMatchError(matchmiddlestage);
if (ModelState.IsValid && string.IsNullOrEmpty(matchError)) {
_db.MatchesMiddleStage.Add(matchmiddlestage);
_db.SaveChanges();
return RedirectToAction("Index");
}
ViewBag.HomeTeamId = new SelectList(_db.Teams, "Id", "Name", matchmiddlestage.HomeTeamId);
ViewBag.AwayTeamId = new SelectList(_db.Teams, "Id", "Name", matchmiddlestage.AwayTeamId);
ViewBag.Error = matchError;
return View(matchmiddlestage);
}
public ActionResult Edit(MatchMiddleStage matchmiddlestage)
{
if (ModelState.IsValid) {
_db.Entry(matchmiddlestage).State = EntityState.Modified;
_db.SaveChanges();
return RedirectToAction("Mellomspill", "Home");
}
ViewBag.HomeTeamId = new SelectList(_db.Teams, "Id", "Name", matchmiddlestage.HomeTeamId);
ViewBag.AwayTeamId = new SelectList(_db.Teams, "Id", "Name", matchmiddlestage.AwayTeamId);
return View(matchmiddlestage);
}
private string GetMatchError(MatchMiddleStage matchmiddlestage)
{
var homeTeam = _db.Teams.Find(matchmiddlestage.HomeTeamId);
var awayTeam = _db.Teams.Find(matchmiddlestage.AwayTeamId);
var isInSameGroup = homeTeam.GroupMiddleStageId == awayTeam.GroupMiddleStageId;
var homeTeamOpponents =
homeTeam.HomeMatchesMiddleStage.Select(x => x.AwayTeamId).Concat(
homeTeam.AwayMatchesMiddleStage.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 += matchmiddlestage.HomeTeamId != matchmiddlestage.AwayTeamId ? string.Empty : "Samme lag";
return error;
}