Add library-level support for Game presences

src/Discord.Net.Core/Entities/Users/Game.cs

@@ -1,22 +1,50 @@
-using System.Diagnostics;
+using System;
+using System.Diagnostics;
 
 namespace Discord
 {
+    // TODO 2.x: make this a class?
     [DebuggerDisplay(@"{DebuggerDisplay,nq}")]
     public struct Game
     {
+        // All
         public string Name { get; }
-        public string StreamUrl { get; }
         public StreamType StreamType { get; }
+        // Streaming
+        public string StreamUrl { get; }
+        // Rich
+        public string Details { get; }
+        public string State { get; }
+        public ulong? ApplicationId { get; }
+        public GameAssets? Assets { get; }
+        public GameParty? Party { get; }
+        public GameSecrets? Secrets { get; }
+        public GameTimestamps? Timestamps { get; }
 
-        public Game(string name, string streamUrl, StreamType type)
+        public Game(string name, string streamUrl = null, StreamType type = StreamType.NotStreaming)
+            : this(name, streamUrl, type, null, null, null, null, null, null, null) { }
+        public Game(string name,
+            string streamUrl,
+            StreamType type,
+            string details,
+            string state,
+            ulong? applicationId,
+            GameAssets? assets,
+            GameParty? party,
+            GameSecrets? secrets,
+            GameTimestamps? timestamps)
         {
             Name = name;
             StreamUrl = streamUrl;
             StreamType = type;
+            Details = details;
+            State = state;
+            ApplicationId = applicationId;
+            Assets = assets;
+            Party = party;
+            Secrets = secrets;
+            Timestamps = timestamps;
         }
-        private Game(string name)
-            : this(name, null, StreamType.NotStreaming) { }
 
         public override string ToString() => Name;
         private string DebuggerDisplay => StreamUrl != null ? $"{Name} ({StreamUrl})" : Name;

src/Discord.Net.Core/Entities/Users/GameAssets.cs

@@ -0,0 +1,18 @@
+namespace Discord
+{
+    public struct GameAssets
+    {
+        public string SmallText { get; }
+        public string SmallImage { get; }
+        public string LargeText { get; }
+        public string LargeImage { get; }
+
+        public GameAssets(string smallText, string smallImage, string largeText, string largeImage)
+        {
+            SmallText = smallText;
+            SmallImage = smallImage;
+            LargeText = largeText;
+            LargeImage = largeImage;
+        }
+    }
+}

src/Discord.Net.Core/Entities/Users/GameParty.cs

@@ -0,0 +1,14 @@
+namespace Discord
+{
+    public struct GameParty
+    {
+        public ulong[] Size { get; }
+        public ulong Id { get; }
+
+        public GameParty(ulong[] size, ulong id)
+        {
+            Size = size;
+            Id = id;
+        }
+    }
+}

src/Discord.Net.Core/Entities/Users/GameSecrets.cs

@@ -0,0 +1,16 @@
+namespace Discord
+{
+    public struct GameSecrets
+    {
+        public string Match { get; }
+        public string Join { get; }
+        public string Spectate { get; }
+
+        public GameSecrets(string match, string join, string spectate)
+        {
+            Match = match;
+            Join = join;
+            Spectate = spectate;
+        }
+    }
+}

src/Discord.Net.Core/Entities/Users/GameTimestamps.cs

@@ -0,0 +1,16 @@
+using System;
+
+namespace Discord
+{
+    public struct GameTimestamps
+    {
+        public DateTimeOffset Start { get; }
+        public DateTimeOffset End { get; }
+
+        public GameTimestamps(DateTimeOffset start, DateTimeOffset end)
+        {
+            Start = start;
+            End = end;
+        }
+    }
+}