Initial split of the modules

NadekoBot.Core/Services/Database/Models/XpSettings.cs

@@ -0,0 +1,53 @@
+using System.Collections.Generic;
+
+namespace NadekoBot.Services.Database.Models
+{
+    public class XpSettings : DbEntity
+    {
+        public int GuildConfigId { get; set; }
+        public GuildConfig GuildConfig { get; set; }
+
+        public HashSet<XpRoleReward> RoleRewards { get; set; } = new HashSet<XpRoleReward>();
+        public bool XpRoleRewardExclusive { get; set; }
+        public string NotifyMessage { get; set; } = "Congratulations {0}! You have reached level {1}!";
+        public HashSet<ExcludedItem> ExclusionList { get; set; } = new HashSet<ExcludedItem>();
+        public bool ServerExcluded { get; set; }
+    }
+
+    public enum ExcludedItemType { Channel, Role }
+
+    public class XpRoleReward : DbEntity
+    {
+        public int XpSettingsId { get; set; }
+        public XpSettings XpSettings { get; set; }
+
+        public int Level { get; set; }
+        public ulong RoleId { get; set; }
+
+        public override int GetHashCode()
+        {
+            return Level.GetHashCode() ^ XpSettingsId.GetHashCode();
+        }
+
+        public override bool Equals(object obj)
+        {
+            return obj is XpRoleReward xrr && xrr.Level == Level && xrr.XpSettingsId == XpSettingsId;
+        }
+    }
+
+    public class ExcludedItem : DbEntity
+    {
+        public ulong ItemId { get; set; }
+        public ExcludedItemType ItemType { get; set; }
+
+        public override int GetHashCode()
+        {
+            return ItemId.GetHashCode() ^ ItemType.GetHashCode();
+        }
+
+        public override bool Equals(object obj)
+        {
+            return obj is ExcludedItem ei && ei.ItemId == ItemId && ei.ItemType == ItemType;
+        }
+    }
+}