From e7d10caf4ea87473e639fa6656207ec6da6a21e6 Mon Sep 17 00:00:00 2001
From: Sean Stoves <sean@seanstoves.com>
Date: Sat, 8 Aug 2020 23:54:27 -0400
Subject: [PATCH] Sending Channel to parsers for Reply on level Up, Adding
 Leveling Formula

---
 ChaosBot/Discord/Services/CommandHandler.cs   |  6 ++--
 .../Discord/Services/ExperienceHandler.cs     | 28 ++++++++++++++++++-
 2 files changed, 30 insertions(+), 4 deletions(-)

diff --git a/ChaosBot/Discord/Services/CommandHandler.cs b/ChaosBot/Discord/Services/CommandHandler.cs
index d00c5a3..d5b292b 100644
--- a/ChaosBot/Discord/Services/CommandHandler.cs
+++ b/ChaosBot/Discord/Services/CommandHandler.cs
@@ -59,12 +59,12 @@ namespace ChaosBot.Discord.Services
                 if (!(message.HasMentionPrefix(_client.CurrentUser, ref argPos) ||
                       message.HasStringPrefix(prefix, ref argPos)))
                 {
-                    ExperienceHandler.addXP(context.Guild.Id, context.User.Id);
+                    ExperienceHandler.addXP(context.Guild.Id, context.User.Id, context.Channel);
                     return;
                 }
-
+                
                 if(Convert.ToBoolean(ConfigurationRepository.GetValue<string>("Experience:Commands", context.Guild.Id, "false")))
-                    ExperienceHandler.addXP(context.Guild.Id, context.User.Id);
+                    ExperienceHandler.addXP(context.Guild.Id, context.User.Id, context.Channel);
                 
                 await _commands.ExecuteAsync(context, argPos, _services); 
             }
diff --git a/ChaosBot/Discord/Services/ExperienceHandler.cs b/ChaosBot/Discord/Services/ExperienceHandler.cs
index 44d913b..941f53b 100644
--- a/ChaosBot/Discord/Services/ExperienceHandler.cs
+++ b/ChaosBot/Discord/Services/ExperienceHandler.cs
@@ -1,8 +1,10 @@
 using System;
 using System.Linq;
 using System.Reflection;
+using System.Threading.Tasks;
 using ChaosBot.Models;
 using ChaosBot.Repositories;
+using Discord.WebSocket;
 using Microsoft.EntityFrameworkCore;
 using NLog;
 
@@ -12,7 +14,7 @@ namespace ChaosBot.Discord.Services
     {
         private static readonly ILogger _logger = Program.Logger;
 
-        public static async void addXP(ulong DiscordGuildId, ulong DiscordUserId)
+        public static async void addXP(ulong DiscordGuildId, ulong DiscordUserId, ISocketMessageChannel Channel)
         {
             try
             {
@@ -35,6 +37,7 @@ namespace ChaosBot.Discord.Services
                             usrNewXp.DiscordGuildId = DiscordGuildId;
                             usrNewXp.DiscordUserId = DiscordUserId;
                             usrNewXp.LastUpdated = DateTime.Now;
+                            usrNewXp.Level = await checkLevel(usrNewXp, Channel);
 
                             await dbContext.ExperiencePoints.Upsert(usrNewXp)
                                 .On(x => new {x.DiscordGuildId, x.DiscordUserId}).RunAsync();
@@ -59,5 +62,28 @@ namespace ChaosBot.Discord.Services
                     $"{MethodBase.GetCurrentMethod().ReflectedType.FullName}: Exception [{ex}] thrown, <[{ex.Message}]>.");
             }
         }
+
+        public static async Task<ulong> checkLevel(Experience usrExperience, ISocketMessageChannel Channel)
+        {
+            ulong curLevel = 0;
+            
+            try
+            {
+              ulong nextLevelXP = 6 * (usrExperience.Level / 2) + 48 * usrExperience.Level + 123;
+
+              if (usrExperience.Amount >= nextLevelXP)
+              {
+                  curLevel = usrExperience.Level + 1;
+                  await Channel.SendMessageAsync($"Congratulations <@{usrExperience.DiscordUserId}>, You have reached {curLevel}.  Congratulations!"); 
+              }
+            }
+            catch (Exception ex)
+            {
+                _logger.Error(
+                    $"{MethodBase.GetCurrentMethod().ReflectedType.FullName}: Exception [{ex}] thrown, <[{ex.Message}]>.");
+            }
+
+            return curLevel;
+        }
     }
 }
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