Closes #84

src/Discord.Net.Core/Entities/Channels/IStageChannel.cs

@@ -70,6 +70,51 @@ namespace Discord
         /// </returns>
         Task StopStageAsync(RequestOptions options = null);
 
+        /// <summary>
+        ///     Indicates that the bot would like to speak within a stage channel.
+        /// </summary>
+        /// <param name="options">The options to be used when sending the request.</param>
+        /// <returns>
+        ///     A task that represents the asynchronous request to speak operation.
+        /// </returns>
         Task RequestToSpeak(RequestOptions options = null);
+
+        /// <summary>
+        ///     Makes the current user become a speaker within a stage.
+        /// </summary>
+        /// <param name="options">The options to be used when sending the request.</param>
+        /// <returns>
+        ///     A task that represents the asynchronous speaker modify operation.
+        /// </returns>
+        Task BecomeSpeakerAsync(RequestOptions options = null);
+
+        /// <summary>
+        ///     Makes the current user a listener.
+        /// </summary>
+        /// <param name="options">The options to be used when sending the request.</param>
+        /// <returns>
+        ///     A task that represents the asynchronous stop operation.
+        /// </returns>
+        Task StopSpeakingAsync(RequestOptions options = null);
+
+        /// <summary>
+        ///     Makes a user a speaker within a stage.
+        /// </summary>
+        /// <param name="user">The user to make the speaker.</param>
+        /// <param name="options">The options to be used when sending the request.</param>
+        /// <returns>
+        ///     A task that represents the asynchronous move operation.
+        /// </returns>
+        Task MoveToSpeaker(IGuildUser user, RequestOptions options = null);
+
+        /// <summary>
+        ///     Removes a user from speaking.
+        /// </summary>
+        /// <param name="user">The user to remove from speaking.</param>
+        /// <param name="options">The options to be used when sending the request.</param>
+        /// <returns>
+        ///     A task that represents the asynchronous remove operation.
+        /// </returns>
+        Task RemoveFromSpeaker(IGuildUser user, RequestOptions options = null);
     }
 }

src/Discord.Net.Rest/DiscordRestApiClient.cs

@@ -646,6 +646,18 @@ namespace Discord.API
             await SendJsonAsync("PATCH", () => $"guilds/{guildId}/voice-states/@me", args, bucket, options: options).ConfigureAwait(false);
         }
 
+        public async Task ModifyUserVoiceState(ulong guildId, ulong userId, ModifyVoiceStateParams args, RequestOptions options = null)
+        {
+            Preconditions.NotEqual(guildId, 0, nameof(guildId));
+            Preconditions.NotEqual(userId, 0, nameof(userId));
+
+            options = RequestOptions.CreateOrClone(options);
+
+            var bucket = new BucketIds();
+
+            await SendJsonAsync("PATCH", () => $"guilds/{guildId}/voice-states/{userId}", args, bucket, options: options).ConfigureAwait(false);
+        }
+
         // roles
         public async Task AddRoleAsync(ulong guildId, ulong userId, ulong roleId, RequestOptions options = null)
         {

src/Discord.Net.Rest/Entities/Channels/RestStageChannel.cs

@@ -105,5 +105,51 @@ namespace Discord.Rest
             };
             return Discord.ApiClient.ModifyMyVoiceState(this.Guild.Id, args, options);
         }
+
+        /// <inheritdoc/>
+        public Task BecomeSpeakerAsync(RequestOptions options = null)
+        {
+            var args = new API.Rest.ModifyVoiceStateParams()
+            {
+                ChannelId = this.Id,
+                Suppressed = false
+            };
+            return Discord.ApiClient.ModifyMyVoiceState(this.Guild.Id, args, options);
+        }
+
+        /// <inheritdoc/>
+        public Task StopSpeakingAsync(RequestOptions options = null)
+        {
+            var args = new API.Rest.ModifyVoiceStateParams()
+            {
+                ChannelId = this.Id,
+                Suppressed = true
+            };
+            return Discord.ApiClient.ModifyMyVoiceState(this.Guild.Id, args, options);
+        }
+
+        /// <inheritdoc/>
+        public Task MoveToSpeaker(IGuildUser user, RequestOptions options = null)
+        {
+            var args = new API.Rest.ModifyVoiceStateParams()
+            {
+                ChannelId = this.Id,
+                Suppressed = false
+            };
+
+            return Discord.ApiClient.ModifyUserVoiceState(this.Guild.Id, user.Id, args);
+        }
+
+        /// <inheritdoc/>
+        public Task RemoveFromSpeaker(IGuildUser user, RequestOptions options = null)
+        {
+            var args = new API.Rest.ModifyVoiceStateParams()
+            {
+                ChannelId = this.Id,
+                Suppressed = true
+            };
+
+            return Discord.ApiClient.ModifyUserVoiceState(this.Guild.Id, user.Id, args);
+        }
     }
 }

src/Discord.Net.WebSocket/Entities/Channels/SocketStageChannel.cs

@@ -27,6 +27,12 @@ namespace Discord.WebSocket
         /// <inheritdoc/>
         public bool Live { get; private set; } = false;
 
+        /// <summary>
+        ///     Returns <see langword="true"/> if the current user is a speaker within the stage, otherwise <see langword="false"/>.
+        /// </summary>
+        public bool IsSpeaker
+            => !Guild.CurrentUser.IsSuppressed;
+
         /// <summary>
         ///     Gets a collection of users who are speakers within the stage.
         /// </summary>
@@ -112,5 +118,51 @@ namespace Discord.WebSocket
             };
             return Discord.ApiClient.ModifyMyVoiceState(this.Guild.Id, args, options);
         }
+
+        /// <inheritdoc/>
+        public Task BecomeSpeakerAsync(RequestOptions options = null)
+        {
+            var args = new API.Rest.ModifyVoiceStateParams()
+            {
+                ChannelId = this.Id,
+                Suppressed = false
+            };
+            return Discord.ApiClient.ModifyMyVoiceState(this.Guild.Id, args, options);
+        }
+
+        /// <inheritdoc/>
+        public Task StopSpeakingAsync(RequestOptions options = null)
+        {
+            var args = new API.Rest.ModifyVoiceStateParams()
+            {
+                ChannelId = this.Id,
+                Suppressed = true
+            };
+            return Discord.ApiClient.ModifyMyVoiceState(this.Guild.Id, args, options);
+        }
+
+        /// <inheritdoc/>
+        public Task MoveToSpeaker(IGuildUser user, RequestOptions options = null)
+        {
+            var args = new API.Rest.ModifyVoiceStateParams()
+            {
+                ChannelId = this.Id,
+                Suppressed = false
+            };
+
+            return Discord.ApiClient.ModifyUserVoiceState(this.Guild.Id, user.Id, args);
+        }
+
+        /// <inheritdoc/>
+        public Task RemoveFromSpeaker(IGuildUser user, RequestOptions options = null)
+        {
+            var args = new API.Rest.ModifyVoiceStateParams()
+            {
+                ChannelId = this.Id,
+                Suppressed = true
+            };
+
+            return Discord.ApiClient.ModifyUserVoiceState(this.Guild.Id, user.Id, args);
+        }
     }
 }