Add missing channel create/modify properties

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

@@ -1,3 +1,5 @@
+using System.Collections.Generic;
+
 namespace Discord
 {
     /// <summary>
@@ -30,5 +32,19 @@ namespace Discord
         ///     is set.
         /// </remarks>
         public Optional<ulong?> CategoryId { get; set; }
+        /// <summary>
+        ///     Gets or sets the user permission overwrites for this channel.
+        /// </summary>
+        /// <remarks>
+        ///     The <see cref="ulong"/> key needs to be a user snowflake identifier.
+        /// </remarks>
+        public Optional<IEnumerable<KeyValuePair<ulong, OverwritePermissions>>> UserOverwrites { get; set; }
+        /// <summary>
+        ///     Gets or sets the role permission overwrites for this channel.
+        /// </summary>
+        /// <remarks>
+        ///     The <see cref="ulong"/> key needs to be a role snowflake identifier.
+        /// </remarks>
+        public Optional<IEnumerable<KeyValuePair<ulong, OverwritePermissions>>> RoleOverwrites { get; set; }
     }
 }

src/Discord.Net.Rest/API/Rest/CreateGuildChannelParams.cs

@@ -14,12 +14,16 @@ namespace Discord.API.Rest
         public Optional<ulong?> CategoryId { get; set; }
         [JsonProperty("position")]
         public Optional<int> Position { get; set; }
+        [JsonProperty("permission_overwrites")]
+        public Optional<Overwrite[]> Overwrites { get; set; }
 
         //Text channels
         [JsonProperty("topic")]
         public Optional<string> Topic { get; set; }
         [JsonProperty("nsfw")]
         public Optional<bool> IsNsfw { get; set; }
+        [JsonProperty("rate_limit_per_user")]
+        public Optional<int> SlowModeInterval { get; set; }
 
         //Voice channels
         [JsonProperty("bitrate")]

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

@@ -38,6 +38,25 @@ namespace Discord.Rest
         {
             var args = new TextChannelProperties();
             func(args);
+
+            var overwrites = new List<API.Overwrite>();
+            if (args.UserOverwrites.IsSpecified)
+                overwrites.AddRange(args.UserOverwrites.Value.Select(x => new API.Overwrite()
+                {
+                    TargetId = x.Key,
+                    TargetType = PermissionTarget.User,
+                    Allow = x.Value.AllowValue,
+                    Deny = x.Value.DenyValue,
+                }));
+            if (args.RoleOverwrites.IsSpecified)
+                overwrites.AddRange(args.RoleOverwrites.Value.Select(x => new API.Overwrite()
+                {
+                    TargetId = x.Key,
+                    TargetType = PermissionTarget.Role,
+                    Allow = x.Value.AllowValue,
+                    Deny = x.Value.DenyValue,
+                }));
+
             var apiArgs = new API.Rest.ModifyTextChannelParams
             {
                 Name = args.Name,
@@ -46,6 +65,7 @@ namespace Discord.Rest
                 Topic = args.Topic,
                 IsNsfw = args.IsNsfw,
                 SlowModeInterval = args.SlowModeInterval,
+                Overwrites = overwrites.Count != 0 ? Optional.Create(overwrites.ToArray()) : Optional.Create<API.Overwrite[]>(),
             };
             return await client.ApiClient.ModifyGuildChannelAsync(channel.Id, apiArgs, options).ConfigureAwait(false);
         }
@@ -413,7 +433,8 @@ namespace Discord.Rest
             var apiArgs = new ModifyGuildChannelParams
             {
                 Overwrites = category.PermissionOverwrites
-                    .Select(overwrite => new API.Overwrite{
+                    .Select(overwrite => new API.Overwrite
+                    {
                         TargetId = overwrite.TargetId,
                         TargetType = overwrite.TargetType,
                         Allow = overwrite.Permissions.AllowValue,

src/Discord.Net.Rest/Entities/Guilds/GuildHelper.cs

@@ -171,12 +171,32 @@ namespace Discord.Rest
             var props = new TextChannelProperties();
             func?.Invoke(props);
 
+            var overwrites = new List<API.Overwrite>();
+            if (props.UserOverwrites.IsSpecified)
+                overwrites.AddRange(props.UserOverwrites.Value.Select(x => new API.Overwrite()
+                {
+                    TargetId = x.Key,
+                    TargetType = PermissionTarget.User,
+                    Allow = x.Value.AllowValue,
+                    Deny = x.Value.DenyValue,
+                }));
+            if (props.RoleOverwrites.IsSpecified)
+                overwrites.AddRange(props.RoleOverwrites.Value.Select(x => new API.Overwrite()
+                {
+                    TargetId = x.Key,
+                    TargetType = PermissionTarget.Role,
+                    Allow = x.Value.AllowValue,
+                    Deny = x.Value.DenyValue,
+                }));
+
             var args = new CreateGuildChannelParams(name, ChannelType.Text)
             {
                 CategoryId = props.CategoryId,
                 Topic = props.Topic,
                 IsNsfw = props.IsNsfw,
-                Position = props.Position
+                Position = props.Position,
+                SlowModeInterval = props.SlowModeInterval,
+                Overwrites = overwrites.Count != 0 ? Optional.Create(overwrites.ToArray()) : Optional.Create<API.Overwrite[]>(),
             };
             var model = await client.ApiClient.CreateGuildChannelAsync(guild.Id, args, options).ConfigureAwait(false);
             return RestTextChannel.Create(client, guild, model);
@@ -190,12 +210,31 @@ namespace Discord.Rest
             var props = new VoiceChannelProperties();
             func?.Invoke(props);
 
+            var overwrites = new List<API.Overwrite>();
+            if (props.UserOverwrites.IsSpecified)
+                overwrites.AddRange(props.UserOverwrites.Value.Select(x => new API.Overwrite()
+                {
+                    TargetId = x.Key,
+                    TargetType = PermissionTarget.User,
+                    Allow = x.Value.AllowValue,
+                    Deny = x.Value.DenyValue,
+                }));
+            if (props.RoleOverwrites.IsSpecified)
+                overwrites.AddRange(props.RoleOverwrites.Value.Select(x => new API.Overwrite()
+                {
+                    TargetId = x.Key,
+                    TargetType = PermissionTarget.Role,
+                    Allow = x.Value.AllowValue,
+                    Deny = x.Value.DenyValue,
+                }));
+
             var args = new CreateGuildChannelParams(name, ChannelType.Voice)
             {
                 CategoryId = props.CategoryId,
                 Bitrate = props.Bitrate,
                 UserLimit = props.UserLimit,
-                Position = props.Position
+                Position = props.Position,
+                Overwrites = overwrites.Count != 0 ? Optional.Create(overwrites.ToArray()) : Optional.Create<API.Overwrite[]>(),
             };
             var model = await client.ApiClient.CreateGuildChannelAsync(guild.Id, args, options).ConfigureAwait(false);
             return RestVoiceChannel.Create(client, guild, model);
@@ -209,9 +248,28 @@ namespace Discord.Rest
             var props = new GuildChannelProperties();
             func?.Invoke(props);
 
+            var overwrites = new List<API.Overwrite>();
+            if (props.UserOverwrites.IsSpecified)
+                overwrites.AddRange(props.UserOverwrites.Value.Select(x => new API.Overwrite()
+                {
+                    TargetId = x.Key,
+                    TargetType = PermissionTarget.User,
+                    Allow = x.Value.AllowValue,
+                    Deny = x.Value.DenyValue,
+                }));
+            if (props.RoleOverwrites.IsSpecified)
+                overwrites.AddRange(props.RoleOverwrites.Value.Select(x => new API.Overwrite()
+                {
+                    TargetId = x.Key,
+                    TargetType = PermissionTarget.Role,
+                    Allow = x.Value.AllowValue,
+                    Deny = x.Value.DenyValue,
+                }));
+
             var args = new CreateGuildChannelParams(name, ChannelType.Category)
             {
-                Position = props.Position
+                Position = props.Position,
+                Overwrites = overwrites.Count != 0 ? Optional.Create(overwrites.ToArray()) : Optional.Create<API.Overwrite[]>(),
             };
 
             var model = await client.ApiClient.CreateGuildChannelAsync(guild.Id, args, options).ConfigureAwait(false);
@@ -451,7 +509,7 @@ namespace Discord.Rest
             var emote = await client.ApiClient.GetGuildEmoteAsync(guild.Id, id, options).ConfigureAwait(false);
             return emote.ToEntity();
         }
-        public static async Task<GuildEmote> CreateEmoteAsync(IGuild guild, BaseDiscordClient client, string name, Image image, Optional<IEnumerable<IRole>> roles, 
+        public static async Task<GuildEmote> CreateEmoteAsync(IGuild guild, BaseDiscordClient client, string name, Image image, Optional<IEnumerable<IRole>> roles,
             RequestOptions options)
         {
             var apiargs = new CreateGuildEmoteParams
@@ -466,7 +524,7 @@ namespace Discord.Rest
             return emote.ToEntity();
         }
         /// <exception cref="ArgumentNullException"><paramref name="func"/> is <c>null</c>.</exception>
-        public static async Task<GuildEmote> ModifyEmoteAsync(IGuild guild, BaseDiscordClient client, ulong id, Action<EmoteProperties> func, 
+        public static async Task<GuildEmote> ModifyEmoteAsync(IGuild guild, BaseDiscordClient client, ulong id, Action<EmoteProperties> func,
             RequestOptions options)
         {
             if (func == null) throw new ArgumentNullException(paramName: nameof(func));
@@ -484,7 +542,7 @@ namespace Discord.Rest
             var emote = await client.ApiClient.ModifyGuildEmoteAsync(guild.Id, id, apiargs, options).ConfigureAwait(false);
             return emote.ToEntity();
         }
-        public static Task DeleteEmoteAsync(IGuild guild, BaseDiscordClient client, ulong id, RequestOptions options) 
+        public static Task DeleteEmoteAsync(IGuild guild, BaseDiscordClient client, ulong id, RequestOptions options)
             => client.ApiClient.DeleteGuildEmoteAsync(guild.Id, id, options);
     }
 }