From a40231d97b34de9484a0d11dae74c84c0cc91d0c Mon Sep 17 00:00:00 2001
From: Fyers <Fyers@web.de>
Date: Mon, 5 Mar 2018 00:28:09 +0100
Subject: [PATCH] added UserDefaultAvatar to IUser

---
 src/Discord.Net.Core/CDN.cs                   | 26 ++++++++++++++-----
 src/Discord.Net.Core/Entities/Users/IUser.cs  |  2 ++
 .../Entities/Users/RestUser.cs                |  5 +++-
 .../Entities/Users/SocketUser.cs              | 13 ++++++----
 4 files changed, 34 insertions(+), 12 deletions(-)

diff --git a/src/Discord.Net.Core/CDN.cs b/src/Discord.Net.Core/CDN.cs
index 070b965ee..4abdb3a61 100644
--- a/src/Discord.Net.Core/CDN.cs
+++ b/src/Discord.Net.Core/CDN.cs
@@ -1,4 +1,4 @@
-using System;
+using System;
 
 namespace Discord
 {
@@ -13,6 +13,15 @@ namespace Discord
             string extension = FormatToExtension(format, avatarId);
             return $"{DiscordConfig.CDNUrl}avatars/{userId}/{avatarId}.{extension}?size={size}";
         }
+        public static string GetDefaultUserAvatarUrl(string discriminator)
+        {
+            if (string.IsNullOrEmpty(discriminator))
+                throw new ArgumentNullException(nameof(discriminator));
+
+            int discriminator_mod = Convert.ToInt32(discriminator) % 5;
+
+            return $"{DiscordConfig.CDNUrl}embed/avatars/{discriminator_mod}";
+        }
         public static string GetGuildIconUrl(ulong guildId, string iconId)
             => iconId != null ? $"{DiscordConfig.CDNUrl}icons/{guildId}/{iconId}.jpg" : null;
         public static string GetGuildSplashUrl(ulong guildId, string splashId)
@@ -34,11 +43,16 @@ namespace Discord
                 format = imageId.StartsWith("a_") ? ImageFormat.Gif : ImageFormat.Png;
             switch (format)
             {
-                case ImageFormat.Gif: return "gif";
-                case ImageFormat.Jpeg: return "jpeg";
-                case ImageFormat.Png: return "png";
-                case ImageFormat.WebP: return "webp";
-                default: throw new ArgumentException(nameof(format));
+                case ImageFormat.Gif:
+                    return "gif";
+                case ImageFormat.Jpeg:
+                    return "jpeg";
+                case ImageFormat.Png:
+                    return "png";
+                case ImageFormat.WebP:
+                    return "webp";
+                default:
+                    throw new ArgumentException(nameof(format));
             }
         }
     }
diff --git a/src/Discord.Net.Core/Entities/Users/IUser.cs b/src/Discord.Net.Core/Entities/Users/IUser.cs
index e3f270f6f..c5cce7a25 100644
--- a/src/Discord.Net.Core/Entities/Users/IUser.cs
+++ b/src/Discord.Net.Core/Entities/Users/IUser.cs
@@ -8,6 +8,8 @@ namespace Discord
         string AvatarId { get; }
         /// <summary> Gets the url to this user's avatar. </summary>
         string GetAvatarUrl(ImageFormat format = ImageFormat.Auto, ushort size = 128);
+        /// <summary> Gets the url to this user's default avatar. </summary>
+        string GetDefaultAvatarUrl();
         /// <summary> Gets the per-username unique id for this user. </summary>
         string Discriminator { get; }
         /// <summary> Gets the per-username unique id for this user. </summary>
diff --git a/src/Discord.Net.Rest/Entities/Users/RestUser.cs b/src/Discord.Net.Rest/Entities/Users/RestUser.cs
index c6cf6103a..68154d5b2 100644
--- a/src/Discord.Net.Rest/Entities/Users/RestUser.cs
+++ b/src/Discord.Net.Rest/Entities/Users/RestUser.cs
@@ -1,4 +1,4 @@
-using System;
+using System;
 using System.Diagnostics;
 using System.Threading.Tasks;
 using Model = Discord.API.User;
@@ -60,6 +60,9 @@ namespace Discord.Rest
         public string GetAvatarUrl(ImageFormat format = ImageFormat.Auto, ushort size = 128)
             => CDN.GetUserAvatarUrl(Id, AvatarId, size, format);
 
+        public string GetDefaultAvatarUrl()
+            => CDN.GetDefaultUserAvatarUrl(Discriminator);
+
         public override string ToString() => $"{Username}#{Discriminator}";
         private string DebuggerDisplay => $"{Username}#{Discriminator} ({Id}{(IsBot ? ", Bot" : "")})";
 
diff --git a/src/Discord.Net.WebSocket/Entities/Users/SocketUser.cs b/src/Discord.Net.WebSocket/Entities/Users/SocketUser.cs
index 58d5c62a1..7f3598f79 100644
--- a/src/Discord.Net.WebSocket/Entities/Users/SocketUser.cs
+++ b/src/Discord.Net.WebSocket/Entities/Users/SocketUser.cs
@@ -1,4 +1,4 @@
-using Discord.Rest;
+using Discord.Rest;
 using System;
 using System.Threading.Tasks;
 using Model = Discord.API.User;
@@ -37,23 +37,23 @@ namespace Discord.WebSocket
             {
                 var newVal = ushort.Parse(model.Discriminator.Value);
                 if (newVal != DiscriminatorValue)
-                { 
+                {
                     DiscriminatorValue = ushort.Parse(model.Discriminator.Value);
                     hasChanges = true;
                 }
             }
             if (model.Bot.IsSpecified && model.Bot.Value != IsBot)
-            { 
+            {
                 IsBot = model.Bot.Value;
                 hasChanges = true;
             }
             if (model.Username.IsSpecified && model.Username.Value != Username)
-            { 
+            {
                 Username = model.Username.Value;
                 hasChanges = true;
             }
             return hasChanges;
-        } 
+        }
 
         public async Task<IDMChannel> GetOrCreateDMChannelAsync(RequestOptions options = null)
             => GlobalUser.DMChannel ?? await UserHelper.CreateDMChannelAsync(this, Discord, options) as IDMChannel;
@@ -61,6 +61,9 @@ namespace Discord.WebSocket
         public string GetAvatarUrl(ImageFormat format = ImageFormat.Auto, ushort size = 128)
             => CDN.GetUserAvatarUrl(Id, AvatarId, size, format);
 
+        public string GetDefaultAvatarUrl()
+            => CDN.GetDefaultUserAvatarUrl(Discriminator);
+
         public override string ToString() => $"{Username}#{Discriminator}";
         private string DebuggerDisplay => $"{Username}#{Discriminator} ({Id}{(IsBot ? ", Bot" : "")})";
         internal SocketUser Clone() => MemberwiseClone() as SocketUser;