During the beta, once a puzzle is solved, all other hints become free. (

PuzzleServer#386)

* During the beta, once a puzzle is solved, all other hints become free.

* Use event name to determine if this is a beta or not for making hints free.

ServerCore/Pages/Teams/Hints.cshtml.cs

@@ -51,17 +51,26 @@ public async Task<IActionResult> OnGetAsync(int puzzleId, int teamId)
             return Page();
         }
 
-        private async Task<IList<HintWithState>> GetAllHints(int puzzleId, int teamId)
+        private async Task<IList<HintWithState>> GetAllHints(int puzzleID, int teamID)
         {
             Hints = await (from Hint hint in _context.Hints
                              join HintStatePerTeam state in _context.HintStatePerTeam on hint.Id equals state.HintID
-                             where state.TeamID == teamId && hint.Puzzle.ID == puzzleId
+                             where state.TeamID == teamID && hint.Puzzle.ID == puzzleID
                              orderby hint.DisplayOrder, hint.Description
                              select new HintWithState { Hint = hint, IsUnlocked = state.IsUnlocked }).ToListAsync();
+            bool solved = await PuzzleStateHelper.IsPuzzleSolved(_context, puzzleID, teamID);
 
             if (Hints.Count > 0)
             {
                 int discount = Hints.Min(hws => (hws.IsUnlocked && hws.Hint.Cost < 0) ? hws.Hint.Cost : 0);
+                bool IsBeta = Event.Name.ToLower().Contains("beta");
+                if (solved && IsBeta)
+                {
+                    // During a beta, once a puzzle is solved, all other hints become free.
+                    // There's no IsBeta flag on an event, so check the name.
+                    // We can change this in the unlikely event there's a beta-themed hunt.
+                    discount = -999;
+                }
                 foreach (HintWithState hint in Hints)
                 {
                     hint.Discount = discount;

ServerCore/PuzzleStateHelper.cs

@@ -301,6 +301,19 @@ public static async Task SetLockoutExpiryTimeAsync(
             await context.SaveChangesAsync();
         }
 
+        /// <summary>
+        /// Get the solved status of a single puzzle. 
+        /// Do not use if you want to get status of many puzzles as it will be very inefficient.
+        /// </summary>
+        /// <returns></returns>
+        public static async Task<bool> IsPuzzleSolved(PuzzleServerContext context, int puzzleID, int teamID)
+        {
+            DateTime? solved = await (from PuzzleStatePerTeam pspt in context.PuzzleStatePerTeam
+                                      where pspt.PuzzleID == puzzleID && pspt.TeamID == teamID
+                                      select pspt.SolvedTime).FirstOrDefaultAsync();
+            return solved != null;
+        }
+
         private static DateTime LastGlobalExpiry;
         private static Dictionary<int, DateTime> TimedUnlockExpiryCache = new Dictionary<int, DateTime>();
         private static TimeSpan ClosestExpirySpacing = TimeSpan.FromSeconds(2);