Adds builders for Thumbnail and Image embeds, and adds json model for Video and Image embeds.

src/Discord.Net.Core/API/Common/Embed.cs

@@ -19,8 +19,12 @@ namespace Discord.API
         public Optional<EmbedAuthor> Author { get; set; }
         [JsonProperty("footer")]
         public Optional<EmbedFooter> Footer { get; set; }
+        [JsonProperty("video")]
+        public Optional<EmbedVideo> Video { get; set; }
         [JsonProperty("thumbnail")]
         public Optional<EmbedThumbnail> Thumbnail { get; set; }
+        [JsonProperty("image")]
+        public Optional<EmbedImage> Image { get; set; }
         [JsonProperty("provider")]
         public Optional<EmbedProvider> Provider { get; set; }
         [JsonProperty("fields")]

src/Discord.Net.Core/API/Common/EmbedImage.cs

@@ -0,0 +1,17 @@
+#pragma warning disable CS1591
+using Newtonsoft.Json;
+
+namespace Discord.API
+{
+    public class EmbedImage
+    {
+        [JsonProperty("url")]
+        public string Url { get; set; }
+        [JsonProperty("proxy_url")]
+        public string ProxyUrl { get; set; }
+        [JsonProperty("height")]
+        public Optional<int> Height { get; set; }
+        [JsonProperty("width")]
+        public Optional<int> Width { get; set; }
+    }
+}

src/Discord.Net.Core/API/Common/EmbedVideo.cs

@@ -0,0 +1,15 @@
+#pragma warning disable CS1591
+using Newtonsoft.Json;
+
+namespace Discord.API
+{
+    public class EmbedVideo
+    {
+        [JsonProperty("url")]
+        public string Url { get; set; }
+        [JsonProperty("height")]
+        public Optional<int> Height { get; set; }
+        [JsonProperty("width")]
+        public Optional<int> Width { get; set; }
+    }
+}

src/Discord.Net.Core/Entities/Messages/EmbedBuilder.cs

@@ -4,6 +4,8 @@ using Embed = Discord.API.Embed;
 using Field = Discord.API.EmbedField;
 using Author = Discord.API.EmbedAuthor;
 using Footer = Discord.API.EmbedFooter;
+using Thumbnail = Discord.API.EmbedThumbnail;
+using Image = Discord.API.EmbedImage;
 
 namespace Discord
 {
@@ -14,8 +16,7 @@ namespace Discord
 
         public EmbedBuilder()
         {
-            _model = new Embed();
-            _model.Type = "rich";
+            _model = new Embed {Type = "rich"};
             _fields = new List<Field>();
         }
 
@@ -25,6 +26,8 @@ namespace Discord
         public Color? Color { get { return _model.Color.HasValue ? new Color(_model.Color.Value) : (Color?)null; } set { _model.Color = value?.RawValue; } }
         public EmbedAuthorBuilder Author { get; set; }
         public EmbedFooterBuilder Footer { get; set; }
+        public EmbedThumbnailBuilder Thumbnail { get; set; }
+        public EmbedImageBuilder Image { get; set; }
 
         public EmbedBuilder WithTitle(string title)
         {
@@ -71,6 +74,30 @@ namespace Discord
             Footer = footer;
             return this;
         }
+        public EmbedBuilder WithThumbnail(EmbedThumbnailBuilder thumbnail)
+        {
+            Thumbnail = thumbnail;
+            return this;
+        }
+        public EmbedBuilder WithThumbnail(Action<EmbedThumbnailBuilder> action)
+        {
+            var thumbnail = new EmbedThumbnailBuilder();
+            action(thumbnail);
+            Thumbnail = thumbnail;
+            return this;
+        }
+        public EmbedBuilder WithImage(EmbedImageBuilder image)
+        {
+            Image = image;
+            return this;
+        }
+        public EmbedBuilder WithImage(Action<EmbedImageBuilder> action)
+        {
+            var image = new EmbedImageBuilder();
+            action(image);
+            Image = image;
+            return this;
+        }
 
         public EmbedBuilder AddField(Action<EmbedFieldBuilder> action)
         {
@@ -84,6 +111,8 @@ namespace Discord
         {
             _model.Author = Author?.ToModel();
             _model.Footer = Footer?.ToModel();
+            _model.Thumbnail = Thumbnail?.ToModel();
+            _model.Image = Image?.ToModel();
             _model.Fields = _fields.ToArray();
             return _model;
         }
@@ -178,4 +207,68 @@ namespace Discord
 
         internal Footer ToModel() => _model;
     }
+
+    public class EmbedThumbnailBuilder
+    {
+        private Thumbnail _model;
+
+        public string Url { get { return _model.Url; } set { _model.Url = value; } }
+        public Optional<int> Height { get { return _model.Height; } set { _model.Height = value; } }
+        public Optional<int> Width { get { return _model.Width; } set { _model.Width = value; } }
+
+        public EmbedThumbnailBuilder()
+        {
+            _model = new Thumbnail();
+        }
+
+        public EmbedThumbnailBuilder WithUrl(string url)
+        {
+            Url = url;
+            return this;
+        }
+        public EmbedThumbnailBuilder WithHeight(int height)
+        {
+            Height = height;
+            return this;
+        }
+        public EmbedThumbnailBuilder WithWidth(int width)
+        {
+            Width = width;
+            return this;
+        }
+
+        internal Thumbnail ToModel() => _model;
+    }
+
+    public class EmbedImageBuilder
+    {
+        private Image _model;
+
+        public string Url { get { return _model.Url; } set { _model.Url = value; } }
+        public Optional<int> Height { get { return _model.Height; } set { _model.Height = value; } }
+        public Optional<int> Width { get { return _model.Width; } set { _model.Width = value; } }
+
+        public EmbedImageBuilder()
+        {
+            _model = new Image();
+        }
+
+        public EmbedImageBuilder WithUrl(string url)
+        {
+            Url = url;
+            return this;
+        }
+        public EmbedImageBuilder WithHeight(int height)
+        {
+            Height = height;
+            return this;
+        }
+        public EmbedImageBuilder WithWidth(int width)
+        {
+            Width = width;
+            return this;
+        }
+
+        internal Image ToModel() => _model;
+    }
 }

src/Discord.Net.Core/Entities/Messages/EmbedImage.cs

@@ -0,0 +1,31 @@
+using System.Diagnostics;
+using Model = Discord.API.EmbedImage;
+
+namespace Discord
+{
+    [DebuggerDisplay("{DebuggerDisplay,nq}")]
+    public struct EmbedImage
+    {
+        public string Url { get; }
+        public string ProxyUrl { get; }
+        public int? Height { get; }
+        public int? Width { get; }
+
+        private EmbedImage(string url, string proxyUrl, int? height, int? width)
+        {
+            Url = url;
+            ProxyUrl = proxyUrl;
+            Height = height;
+            Width = width;
+        }
+        internal static EmbedImage Create(Model model)
+        {
+            return new EmbedImage(model.Url, model.ProxyUrl,
+                  model.Height.IsSpecified ? model.Height.Value : (int?)null,
+                  model.Width.IsSpecified ? model.Width.Value : (int?)null);
+        }
+
+        private string DebuggerDisplay => $"{ToString()} ({Url})";
+        public override string ToString() => Width != null && Height != null ? $"{Width}x{Height}" : "0x0";
+    }
+}

src/Discord.Net.Core/Entities/Messages/EmbedVideo.cs

@@ -0,0 +1,29 @@
+using System.Diagnostics;
+using Model = Discord.API.EmbedVideo;
+
+namespace Discord
+{
+    [DebuggerDisplay("{DebuggerDisplay,nq}")]
+    public struct EmbedVideo
+    {
+        public string Url { get; }
+        public int? Height { get; }
+        public int? Width { get; }
+
+        private EmbedVideo(string url, int? height, int? width)
+        {
+            Url = url;
+            Height = height;
+            Width = width;
+        }
+        internal static EmbedVideo Create(Model model)
+        {
+            return new EmbedVideo(model.Url,
+                  model.Height.IsSpecified ? model.Height.Value : (int?)null,
+                  model.Width.IsSpecified ? model.Width.Value : (int?)null);
+        }
+
+        private string DebuggerDisplay => $"{ToString()} ({Url})";
+        public override string ToString() => Width != null && Height != null ? $"{Width}x{Height}" : "0x0";
+    }
+}

src/Discord.Net.Core/Entities/Messages/IEmbed.cs

@@ -9,6 +9,8 @@ namespace Discord
         string Title { get; }
         string Description { get; }
         Color? Color { get; }
+        EmbedImage? Image { get; }
+        EmbedVideo? Video { get; }
         EmbedAuthor? Author { get; }
         EmbedFooter? Footer { get; }
         EmbedProvider? Provider { get; }

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

@@ -14,6 +14,8 @@ namespace Discord
         public string Title { get; }
         public string Type { get; }
         public Color? Color { get; }
+        public EmbedImage? Image { get; }
+        public EmbedVideo? Video { get; }
         public EmbedAuthor? Author { get; }
         public EmbedFooter? Footer { get; }
         public EmbedProvider? Provider { get; }
@@ -25,6 +27,8 @@ namespace Discord
             string description, 
             string url, 
             Color? color, 
+            EmbedImage? image,
+            EmbedVideo? video,
             EmbedAuthor? author, 
             EmbedFooter? footer, 
             EmbedProvider? provider, 
@@ -36,6 +40,8 @@ namespace Discord
             Description = description;
             Url = url;
             Color = color;
+            Image = image;
+            Video = video;
             Author = author;
             Footer = footer;
             Provider = provider;
@@ -46,6 +52,8 @@ namespace Discord
         {
             return new Embed(model.Type, model.Title, model.Description, model.Url,
                 model.Color.HasValue ? new Color(model.Color.Value) : (Color?)null,
+                model.Image.IsSpecified ? EmbedImage.Create(model.Image.Value) : (EmbedImage?)null,
+                model.Video.IsSpecified ? EmbedVideo.Create(model.Video.Value) : (EmbedVideo?)null,
                 model.Author.IsSpecified ? EmbedAuthor.Create(model.Author.Value) : (EmbedAuthor?)null,
                 model.Footer.IsSpecified ? EmbedFooter.Create(model.Footer.Value) : (EmbedFooter?)null,
                 model.Provider.IsSpecified ? EmbedProvider.Create(model.Provider.Value) : (EmbedProvider?)null,