Added raffle clear command and permission node.

ChaosBot/Discord/Modules/User/RaffleCmd.cs

@@ -71,6 +71,10 @@ namespace ChaosBot.Discord.Modules.User
                 {
                     await TotalRaffle();
                 }
+                else if ((cmd.ToLower() == "clear") && (await CheckPermissions.CheckPerms(Context, "points.clear", "Admin")))
+                {
+                    await ClearRaffle(userMention);
+                }
                 else
                 {
                     await RaffleHelp();
@@ -264,6 +268,46 @@ namespace ChaosBot.Discord.Modules.User
                 false);
         }
 
+        public async Task ClearRaffle(string confirm = null)
+        {
+            try
+            {
+                if(confirm == "confirm")
+                {
+                    using (ChaosbotContext dbContext = new ChaosbotContext())
+                    {
+                        IQueryable<Raffle> ctxRaffles = dbContext.Raffles;
+
+                        IQueryable<Raffle> ctxRaffleDetail = ctxRaffles
+                            .Where(p => p.DiscordGuildId.Equals(Context.Guild.Id));
+
+                        int cur = ctxRaffleDetail.Count();
+
+                        if (cur != 0)
+                        {
+                            dbContext.Raffles.RemoveRange(ctxRaffleDetail);
+                            await dbContext.SaveChangesAsync();
+                        }
+                    }
+                    
+                    await ReplyAsync(
+                        $"{Context.User.Mention} has removed all tickets.",
+                        false);
+                }
+                else
+                {
+                    await ReplyAsync(
+                        $"{Context.User.Mention}, if you wish to clear ALL tickets, please send the below command.```{ConfigurationRepository.GetValue<string>("Discord:Prefix", Context.Guild.Id, "!")}raffle clear confirm```",
+                        false);
+                }
+            }
+            catch (Exception ex)
+            {
+                _logger.Error(
+                    $"{MethodBase.GetCurrentMethod().ReflectedType.FullName}: Exception [{ex}] thrown, <[{ex.Message}]>.");
+            }
+        }
+        
         public async Task PickRaffle()
         {
             try