Add optional user/message/channel objects to Reactions

src/Discord.Net.Rest/Entities/Messages/MessageHelper.cs

@@ -35,7 +35,7 @@ namespace Discord.Rest
         public static async Task RemoveReactionAsync(IMessage msg, IUser user, string emoji, BaseDiscordClient client,
             RequestOptions options)
         {
-            await client.ApiClient.RemoveReactionAsync(msg.Channel.Id, msg.Id, user.Id, emoji, options);
+            await client.ApiClient.RemoveReactionAsync(msg.Channel.Id, msg.Id, user.Id, emoji, options).ConfigureAwait(false);
         }
 
         public static async Task<IReadOnlyCollection<IUser>> GetReactionUsersAsync(IMessage msg, string emoji,

src/Discord.Net.WebSocket/DiscordSocketClient.cs

@@ -1313,7 +1313,9 @@ namespace Discord.WebSocket
                                     if (channel != null)
                                     {
                                         SocketUserMessage cachedMsg = channel.GetCachedMessage(data.MessageId) as SocketUserMessage;
-                                        SocketReaction reaction = new SocketReaction(data);
+                                        var user = await channel.GetUserAsync(data.UserId, CacheMode.CacheOnly);
+                                        SocketReaction reaction = new SocketReaction(data, channel, Optional.Create(cachedMsg), Optional.Create(user));
+
                                         if (cachedMsg != null)
                                         {
                                             cachedMsg.AddReaction(reaction);
@@ -1338,7 +1340,8 @@ namespace Discord.WebSocket
                                     if (channel != null)
                                     {
                                         SocketUserMessage cachedMsg = channel.GetCachedMessage(data.MessageId) as SocketUserMessage;
-                                        SocketReaction reaction = new SocketReaction(data);
+                                        var user = await channel.GetUserAsync(data.UserId, CacheMode.CacheOnly);
+                                        SocketReaction reaction = new SocketReaction(data, channel, Optional.Create(cachedMsg), Optional.Create(user));
                                         if (cachedMsg != null)
                                         {
                                             cachedMsg.RemoveReaction(reaction);

src/Discord.Net.WebSocket/Entities/Messages/SocketReaction.cs

@@ -8,17 +8,21 @@ namespace Discord.WebSocket
 {
     public class SocketReaction : IReaction
     {
-        internal SocketReaction(Model model)
+        internal SocketReaction(Model model, ISocketMessageChannel channel, Optional<SocketUserMessage> message, Optional<IUser> user)
         {
-            UserId = model.UserId;
+            Channel = channel;
+            Message = message;
             MessageId = model.MessageId;
-            ChannelId = model.ChannelId;
+            User = user;
+            UserId = model.UserId;
             Emoji = Emoji.FromApi(model.Emoji);
         }
 
         public ulong UserId { get; private set; }
+        public Optional<IUser> User { get; private set; }
         public ulong MessageId { get; private set; }
-        public ulong ChannelId { get; private set; }
+        public Optional<SocketUserMessage> Message { get; private set; }
+        public ISocketMessageChannel Channel { get; private set; }
         public Emoji Emoji { get; private set; }
     }
 }