public async Task <IActionResult> OnPostUnlock(int puzzleId, int unlockId)
{
Puzzle puzzle = await(from puzz in _context.Puzzles
where puzz.ID == puzzleId
select puzz).FirstOrDefaultAsync();
if (puzzle == null)
{
return(NotFound());
}
// Restrict this page to whistle stop non-puzzles
if (puzzle.MinutesOfEventLockout == 0 || puzzle.IsPuzzle)
{
return(NotFound());
}
Team team = await UserEventHelper.GetTeamForPlayer(_context, Event, LoggedInUser);
using (var transaction = _context.Database.BeginTransaction())
{
var puzzleStateQuery = PuzzleStateHelper.GetFullReadOnlyQuery(_context, Event, null, team);
PuzzleStatePerTeam prereqState = await(from pspt in puzzleStateQuery
where pspt.PuzzleID == puzzle.ID
select pspt).FirstOrDefaultAsync();
if (prereqState == null)
{
return(NotFound());
}
// Only move forward if the prereq is open and unsolved
if (prereqState.UnlockedTime == null || prereqState.SolvedTime != null)
{
return(NotFound("Your team has already chosen and can't choose again"));
}
PuzzleStatePerTeam unlockState = await(from pspt in puzzleStateQuery
where pspt.PuzzleID == unlockId
select pspt).FirstOrDefaultAsync();
if (unlockState == null)
{
return(NotFound());
}
// The chosen puzzle must be locked (and unsolved)
if (unlockState.UnlockedTime != null || unlockState.SolvedTime != null)
{
return(NotFound("You've already chosen this puzzle"));
}
// Ensure the puzzle is actually one of the unlock options
Prerequisites prereq = await(from pre in _context.Prerequisites
where pre.PrerequisiteID == puzzleId && pre.PuzzleID == unlockId
select pre).FirstOrDefaultAsync();
if (prereq == null)
{
return(NotFound());
}
await PuzzleStateHelper.SetSolveStateAsync(_context, Event, puzzle, team, DateTime.UtcNow);
await PuzzleStateHelper.SetUnlockStateAsync(_context, Event, unlockState.Puzzle, team, DateTime.UtcNow);
transaction.Commit();
}
Puzzle puzzleToUnlock = await(from p in _context.Puzzles
where p.ID == unlockId
select p).FirstOrDefaultAsync();
string puzzleUrl;
if (puzzleToUnlock.CustomURL != null)
{
puzzleUrl = PuzzleHelper.GetFormattedUrl(puzzleToUnlock, Event.ID);
}
else
{
puzzleUrl = puzzleToUnlock.PuzzleFile.UrlString;
}
return(Redirect(puzzleUrl));
}