- Database namespace is now NadekoBot.Db

- Db related code is now in src/NadekoBot/Db
- Finished major part of the db refactor, but many optimizations are left to be made

src/NadekoBot/Db/Models/ShopEntry.cs

@@ -0,0 +1,46 @@
+using System;
+using System.Collections.Generic;
+
+namespace NadekoBot.Core.Services.Database.Models
+{
+    public enum ShopEntryType
+    {
+        Role,
+        List,
+        //Infinite_List,
+    }
+
+    public class ShopEntry : DbEntity, IIndexed
+    {
+        public int Index { get; set; }
+        public int Price { get; set; }
+        public string Name { get; set; }
+        public ulong AuthorId { get; set; }
+
+        public ShopEntryType Type { get; set; }
+
+        //role
+        public string RoleName { get; set; }
+        public ulong RoleId { get; set; }
+
+        //list
+        public HashSet<ShopEntryItem> Items { get; set; } = new HashSet<ShopEntryItem>();
+    }
+
+    public class ShopEntryItem : DbEntity
+    {
+        public string Text { get; set; }
+
+        public override bool Equals(object obj)
+        {
+            if (obj == null || GetType() != obj.GetType())
+            {
+                return false;
+            }
+            return ((ShopEntryItem)obj).Text == Text;
+        }
+
+        public override int GetHashCode() =>
+            Text.GetHashCode(StringComparison.InvariantCulture);
+    }
+}