Maybe SignUps are removed 15min before the raid starts

Lieb/Data/Constants.cs

@@ -6,6 +6,7 @@
         public const string ClaimType = "Role";
         public const string GW2_ACCOUNT_REGEX = "^[a-zA-z ]{3,27}\\.[0-9]{4}$";
         public static readonly int RaidEditPowerLevel = Roles.Moderator.PowerLevel;
+        public const int REMOVE_MAYBE_MINUTES = 15;
 
         public static class Roles
         {

Lieb/Data/RaidService.cs

@@ -590,6 +590,34 @@ namespace Lieb.Data
             }
         }
 
+        public RaidRole CreateRandomSignUpRole(RaidType raidType, int spots = 10)
+        {
+            return new RaidRole()
+                {
+                    Spots = spots,
+                    Name = "Random",
+                    Description = raidType.ToString(),
+                    IsRandomSignUpRole = true
+                };
+        }
+
+        public async Task RemoveMaybes()
+        {
+            using var context = _contextFactory.CreateDbContext();
+            List<Raid> raids = context.Raids.Include(r => r.SignUps).ToList();
+            foreach(Raid raid in raids.Where(r => r.StartTimeUTC < DateTimeOffset.UtcNow.AddMinutes(Constants.REMOVE_MAYBE_MINUTES)
+                                                && r.SignUps.Where(s => s.SignUpType == SignUpType.Maybe).Any()))
+            {
+                foreach(RaidSignUp signup in raid.SignUps)
+                {
+                    if(signup.SignUpType == SignUpType.Maybe && signup.LiebUserId.HasValue)
+                    {
+                        await SignOff(raid.RaidId, signup.LiebUserId.Value);
+                    }
+                }
+            }
+        }
+
         public async Task CleanUpRaids()
         {
             using var context = _contextFactory.CreateDbContext();
@@ -609,16 +637,5 @@ namespace Lieb.Data
                 await context.SaveChangesAsync();
             }
         }
-
-        public RaidRole CreateRandomSignUpRole(RaidType raidType, int spots = 10)
-        {
-            return new RaidRole()
-                {
-                    Spots = spots,
-                    Name = "Random",
-                    Description = raidType.ToString(),
-                    IsRandomSignUpRole = true
-                };
-        }
     }
 }

Lieb/Data/TimerService.cs

@@ -48,6 +48,7 @@ namespace Lieb.Data
                     scope.ServiceProvider
                         .GetRequiredService<RaidService>();
                 await raidService.SendReminders();
+                await raidService.RemoveMaybes();
             }
         }