Add SuppressEmbeds() method

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

@@ -270,7 +270,14 @@ namespace Discord
         ///     A task that represents the asynchronous removal operation.
         /// </returns>
         Task RemoveAllReactionsForEmoteAsync(IEmote emote, RequestOptions options = null);
-
+        /// <summary>
+        ///     Suppresses embeds for a specified message.
+        /// </summary>
+        /// <param name="options">The options to be used when sending the request.</param>
+        /// <returns>
+        ///     A task that represents the asynchronous operation to set the suppress embeds flags on a message.
+        /// </returns>
+        Task SuppressEmbeds(RequestOptions options = null);
         /// <summary>
         ///     Gets all users that reacted to a message with a given emote.
         /// </summary>

src/Discord.Net.Rest/DiscordRestApiClient.cs

@@ -931,6 +931,19 @@ namespace Discord.API
         #endregion
 
         #region Stickers, Reactions, Crosspost, and Acks
+        public async Task SuppressEmbeds(ulong channelId, ulong messageId, RequestOptions options = null)
+        {
+            Preconditions.NotEqual(channelId, 0, nameof(channelId));
+            Preconditions.NotEqual(messageId, 0, nameof(messageId));
+
+            Rest.ModifyMessageParams args = new Rest.ModifyMessageParams();
+            args.Flags = MessageFlags.SuppressEmbeds;
+
+            options = RequestOptions.CreateOrClone(options);
+
+            var ids = new BucketIds(channelId: channelId);
+            await SendJsonAsync<Message>("PATCH", () => $"channels/{channelId}/messages/{messageId}", args, ids, clientBucket: ClientBucketType.SendEdit, options: options).ConfigureAwait(false);
+        }
         public async Task<Sticker> GetStickerAsync(ulong id, RequestOptions options = null)
         {
             Preconditions.NotEqual(id, 0, nameof(id));

src/Discord.Net.Rest/DiscordRestClient.cs

@@ -209,7 +209,9 @@ namespace Discord.Rest
             => MessageHelper.RemoveAllReactionsAsync(channelId, messageId, this, options);
         public Task RemoveAllReactionsForEmoteAsync(ulong channelId, ulong messageId, IEmote emote, RequestOptions options = null)
             => MessageHelper.RemoveAllReactionsForEmoteAsync(channelId, messageId, emote, this, options);
-#endregion
+        public Task SuppressEmbeds(ulong channelId, ulong messageId, RequestOptions options = null)
+            => MessageHelper.SuppressEmbeds(channelId, messageId, this, options);
+        #endregion
 
         #region IDiscordClient
         /// <inheritdoc />

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

@@ -160,6 +160,15 @@ namespace Discord.Rest
             await client.ApiClient.RemoveAllReactionsForEmoteAsync(msg.Channel.Id, msg.Id, emote is Emote e ? $"{e.Name}:{e.Id}" : UrlEncode(emote.Name), options).ConfigureAwait(false);
         }
 
+        public static async Task SuppressEmbeds(IMessage msg, BaseDiscordClient client, RequestOptions options)
+        {
+            await client.ApiClient.SuppressEmbeds(msg.Channel.Id, msg.Id, options).ConfigureAwait(false);
+        }
+        public static async Task SuppressEmbeds(ulong channelId, ulong messageId, BaseDiscordClient client, RequestOptions options)
+        {
+            await client.ApiClient.SuppressEmbeds(channelId, messageId, options).ConfigureAwait(false);
+        }
+
         public static IAsyncEnumerable<IReadOnlyCollection<IUser>> GetReactionUsersAsync(IMessage msg, IEmote emote,
             int? limit, BaseDiscordClient client, RequestOptions options)
         {

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

@@ -295,6 +295,9 @@ namespace Discord.Rest
         public Task RemoveAllReactionsForEmoteAsync(IEmote emote, RequestOptions options = null)
             => MessageHelper.RemoveAllReactionsForEmoteAsync(this, emote, Discord, options);
         /// <inheritdoc />
+        public Task SuppressEmbeds(RequestOptions options = null)
+            => MessageHelper.SuppressEmbeds(this, Discord, options);
+        /// <inheritdoc />
         public IAsyncEnumerable<IReadOnlyCollection<IUser>> GetReactionUsersAsync(IEmote emote, int limit, RequestOptions options = null)
             => MessageHelper.GetReactionUsersAsync(this, emote, limit, Discord, options);
     }

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

@@ -343,6 +343,9 @@ namespace Discord.WebSocket
         public Task RemoveAllReactionsForEmoteAsync(IEmote emote, RequestOptions options = null)
             => MessageHelper.RemoveAllReactionsForEmoteAsync(this, emote, Discord, options);
         /// <inheritdoc />
+        public Task SuppressEmbeds(RequestOptions options = null)
+            => MessageHelper.SuppressEmbeds(this, Discord, options);
+        /// <inheritdoc />
         public IAsyncEnumerable<IReadOnlyCollection<IUser>> GetReactionUsersAsync(IEmote emote, int limit, RequestOptions options = null)
             => MessageHelper.GetReactionUsersAsync(this, emote, limit, Discord, options);
         #endregion