;mp almost fixed. Might need a rework >.>

src/NadekoBot/Migrations/20161007091612_first.Designer.cs

@@ -8,7 +8,7 @@ using NadekoBot.Services.Database.Impl;
 namespace NadekoBot.Migrations
 {
     [DbContext(typeof(NadekoSqliteContext))]
-    [Migration("20161005030440_first")]
+    [Migration("20161007091612_first")]
     partial class first
     {
         protected override void BuildTargetModel(ModelBuilder modelBuilder)

src/NadekoBot/Modules/Permissions/PermissionExtensions.cs

@@ -6,6 +6,7 @@ using NadekoBot.Services.Database;
 using NadekoBot.Services.Database.Models;
 using System;
 using System.Collections.Generic;
+using System.Diagnostics;
 using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
@@ -159,8 +160,7 @@ namespace NadekoBot.Modules.Permissions
 
             if (index == 0)
             {
-                perm.Previous = toAdd;
+                perm.Prepend(toAdd);
-                toAdd.Next = perm;
                 return;
             }
 

src/NadekoBot/Modules/Permissions/Permissions.cs

@@ -91,7 +91,8 @@ namespace NadekoBot.Modules.Permissions
                 Permission p;
                 using (var uow = DbHandler.UnitOfWork())
                 {
-                    var perms = uow.GuildConfigs.PermissionsFor(channel.Guild.Id).RootPermission;
+                    var config = uow.GuildConfigs.PermissionsFor(channel.Guild.Id);
+                    var perms = config.RootPermission;
                     if (index == perms.Count() - 1)
                     {
                         return;
@@ -99,7 +100,7 @@ namespace NadekoBot.Modules.Permissions
                     else if (index == 0)
                     {
                         p = perms;
-                        uow.GuildConfigs.PermissionsFor(channel.Guild.Id).RootPermission = perms.Next;
+                        config.RootPermission = perms.Next;
                     }
                     else
                     {
@@ -114,7 +115,7 @@ namespace NadekoBot.Modules.Permissions
                     uow2._context.SaveChanges();
                 }
 
-                await channel.SendMessageAsync($"{imsg.Author.Mention} removed permission **{p.GetCommand()}** from position #{index + 1}.").ConfigureAwait(false);
+                await channel.SendMessageAsync($"{imsg.Author.Mention} removed permission **{p.GetCommand(channel.Guild)}** from position #{index + 1}.").ConfigureAwait(false);
             }
             catch (ArgumentOutOfRangeException)
             {
@@ -136,21 +137,29 @@ namespace NadekoBot.Modules.Permissions
                     Permission toInsert;
                     using (var uow = DbHandler.UnitOfWork())
                     {
-                        var perms = uow.GuildConfigs.PermissionsFor(channel.Guild.Id).RootPermission;
+                        var config = uow.GuildConfigs.PermissionsFor(channel.Guild.Id);
+                        var perms = config.RootPermission;
                         if (from == 0)
+                        {
                             toInsert = perms;
+                            perms = perms.Next;
+                            toInsert.Previous = null;
+                            toInsert.Next = null;
+                            perms.Previous = null;
+                        }
                         else
+                        {
                             toInsert = perms.RemoveAt(from);
-                        if (from < to)
+                            toInsert.Previous = null;
-                            to -= 1;
+                        }
-                        var last = perms.Count() - 1;
+                        var size = perms.Count();
-                        if (from == last || to == last)
+                        if (from == size || to == size)
                             throw new IndexOutOfRangeException();
                         perms.Insert(to, toInsert);
-                        uow.GuildConfigs.PermissionsFor(channel.Guild.Id).RootPermission = perms.GetRoot();
+                        config.RootPermission = perms.GetRoot();
                         await uow.CompleteAsync().ConfigureAwait(false);
                     }
-                    await channel.SendMessageAsync($"`Moved permission:` \"{toInsert.GetCommand()}\" `from #{from} to #{to}.`").ConfigureAwait(false);
+                    await channel.SendMessageAsync($"`Moved permission:` \"{toInsert.GetCommand(channel.Guild)}\" `from #{from} to #{to}.`").ConfigureAwait(false);
                     return;
                 }
                 catch (Exception e) when (e is ArgumentOutOfRangeException || e is IndexOutOfRangeException)

src/NadekoBot/Services/Database/Models/Permission.cs

@@ -1,12 +1,14 @@
 using System;
 using System.Collections.Generic;
 using System.ComponentModel.DataAnnotations.Schema;
+using System.Diagnostics;
 using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
 
 namespace NadekoBot.Services.Database.Models
 {
+    [DebuggerDisplay("{global::NadekoBot.Modules.Permissions.PermissionExtensions.GetCommand(this)}", Target = typeof(Permission))]
     public class Permission : DbEntity
     {
         public Permission Previous { get; set; } = null;
@@ -49,6 +51,15 @@ namespace NadekoBot.Services.Database.Models
 
             return blockNsfw;
         }
+
+        public Permission Clone() => new Permission()
+        {
+            PrimaryTarget = PrimaryTarget,
+            SecondaryTarget = SecondaryTarget,
+            PrimaryTargetId = PrimaryTargetId,
+            SecondaryTargetName = SecondaryTargetName,
+            State = State,
+        };
     }
 
     public enum PrimaryPermissionType

src/NadekoBot/Services/Database/NadekoContext.cs

@@ -186,8 +186,8 @@ namespace NadekoBot.Services.Database
             var permissionEntity = modelBuilder.Entity<Permission>();
             permissionEntity
                 .HasOne(p => p.Next)
-                .WithOne(p => p.Previous);
+                .WithOne(p => p.Previous)
-
+                .IsRequired(false);
             #endregion
 
             #region LogSettings