Initial V2 permissions

src/Discord.Net.Core/Entities/Interactions/ApplicationCommandProperties.cs

@@ -17,6 +17,16 @@ namespace Discord
         /// </summary>
         public Optional<bool> IsDefaultPermission { get; set; }
 
+        /// <summary>
+        ///     Gets or sets whether or not this command can be used in DMs.
+        /// </summary>
+        public Optional<bool> IsDMEnabled { get; set; }
+
+        /// <summary>
+        ///     Gets or sets the default permissions required by a user to execute this application command.
+        /// </summary>
+        public Optional<GuildPermission> DefaultMemberPermissions { get; set; }
+
         internal ApplicationCommandProperties() { }
     }
 }

src/Discord.Net.Core/Entities/Interactions/ContextMenus/MessageCommandBuilder.cs

@@ -31,6 +31,16 @@ namespace Discord
         /// </summary>
         public bool IsDefaultPermission { get; set; } = true;
 
+        /// <summary>
+        ///     Gets or sets whether or not this command can be used in DMs.
+        /// </summary>
+        public bool IsDMEnabled { get; set; } = true;
+
+        /// <summary>
+        ///     Gets or sets the default permission required to use this slash command.
+        /// </summary>
+        public GuildPermission? DefaultMemberPermissions { get; set; }
+
         private string _name;
 
         /// <summary>
@@ -44,7 +54,9 @@ namespace Discord
             var props = new MessageCommandProperties
             {
                 Name = Name,
-                IsDefaultPermission = IsDefaultPermission
+                IsDefaultPermission = IsDefaultPermission,
+                IsDMEnabled = IsDMEnabled,
+                DefaultMemberPermissions = DefaultMemberPermissions ?? Optional<GuildPermission>.Unspecified
             };
 
             return props;
@@ -73,5 +85,27 @@ namespace Discord
             IsDefaultPermission = isDefaultPermission;
             return this;
         }
+
+        /// <summary>
+        ///     Sets whether or not this command can be used in dms
+        /// </summary>
+        /// <param name="permission"><see langword="true"/> if the command is available in dms, otherwise <see langword="false"/>.</param>
+        /// <returns>The current builder.</returns>
+        public MessageCommandBuilder WithDMPermission(bool permission)
+        {
+            IsDMEnabled = permission;
+            return this;
+        }
+
+        /// <summary>
+        ///     Sets the default member permissions required to use this application command.
+        /// </summary>
+        /// <param name="permissions">The permissions required to use this command.</param>
+        /// <returns>The current builder.</returns>
+        public MessageCommandBuilder WithDefaultMemberPermissions(GuildPermission? permissions)
+        {
+            DefaultMemberPermissions = permissions;
+            return this;
+        }
     }
 }

src/Discord.Net.Core/Entities/Interactions/ContextMenus/UserCommandBuilder.cs

@@ -31,6 +31,16 @@ namespace Discord
         /// </summary>
         public bool IsDefaultPermission { get; set; } = true;
 
+        /// <summary>
+        ///     Gets or sets whether or not this command can be used in DMs.
+        /// </summary>
+        public bool IsDMEnabled { get; set; } = true;
+
+        /// <summary>
+        ///     Gets or sets the default permission required to use this slash command.
+        /// </summary>
+        public GuildPermission? DefaultMemberPermissions { get; set; }
+
         private string _name;
 
         /// <summary>
@@ -42,7 +52,9 @@ namespace Discord
             var props = new UserCommandProperties
             {
                 Name = Name,
-                IsDefaultPermission = IsDefaultPermission
+                IsDefaultPermission = IsDefaultPermission,
+                IsDMEnabled = IsDMEnabled,
+                DefaultMemberPermissions = DefaultMemberPermissions ?? Optional<GuildPermission>.Unspecified
             };
 
             return props;
@@ -71,5 +83,27 @@ namespace Discord
             IsDefaultPermission = isDefaultPermission;
             return this;
         }
+
+        /// <summary>
+        ///     Sets whether or not this command can be used in dms
+        /// </summary>
+        /// <param name="permission"><see langword="true"/> if the command is available in dms, otherwise <see langword="false"/>.</param>
+        /// <returns>The current builder.</returns>
+        public UserCommandBuilder WithDMPermission(bool permission)
+        {
+            IsDMEnabled = permission;
+            return this;
+        }
+
+        /// <summary>
+        ///     Sets the default member permissions required to use this application command.
+        /// </summary>
+        /// <param name="permissions">The permissions required to use this command.</param>
+        /// <returns>The current builder.</returns>
+        public UserCommandBuilder WithDefaultMemberPermissions(GuildPermission? permissions)
+        {
+            DefaultMemberPermissions = permissions;
+            return this;
+        }
     }
 }

src/Discord.Net.Core/Entities/Interactions/SlashCommands/SlashCommandBuilder.cs

@@ -81,6 +81,16 @@ namespace Discord
         /// </summary>
         public bool IsDefaultPermission { get; set; } = true;
 
+        /// <summary>
+        ///     Gets or sets whether or not this command can be used in DMs.
+        /// </summary>
+        public bool IsDMEnabled { get; set; } = true;
+
+        /// <summary>
+        ///     Gets or sets the default permission required to use this slash command.
+        /// </summary>
+        public GuildPermission? DefaultMemberPermissions { get; set; }
+
         private string _name;
         private string _description;
         private List<SlashCommandOptionBuilder> _options;
@@ -96,6 +106,8 @@ namespace Discord
                 Name = Name,
                 Description = Description,
                 IsDefaultPermission = IsDefaultPermission,
+                IsDMEnabled = IsDMEnabled,
+                DefaultMemberPermissions = DefaultMemberPermissions ?? Optional<GuildPermission>.Unspecified
             };
 
             if (Options != null && Options.Any())
@@ -145,6 +157,28 @@ namespace Discord
             return this;
         }
 
+        /// <summary>
+        ///     Sets whether or not this command can be used in dms
+        /// </summary>
+        /// <param name="permission"><see langword="true"/> if the command is available in dms, otherwise <see langword="false"/>.</param>
+        /// <returns>The current builder.</returns>
+        public SlashCommandBuilder WithDMPermission(bool permission)
+        {
+            IsDMEnabled = permission;
+            return this;
+        }
+
+        /// <summary>
+        ///     Sets the default member permissions required to use this application command.
+        /// </summary>
+        /// <param name="permissions">The permissions required to use this command.</param>
+        /// <returns>The current builder.</returns>
+        public SlashCommandBuilder WithDefaultMemberPermissions(GuildPermission? permissions)
+        {
+            DefaultMemberPermissions = permissions;
+            return this;
+        }
+
         /// <summary>
         ///     Adds an option to the current slash command.
         /// </summary>

src/Discord.Net.Rest/API/Common/ApplicationCommand.cs

@@ -24,5 +24,12 @@ namespace Discord.API
 
         [JsonProperty("default_permission")]
         public Optional<bool> DefaultPermissions { get; set; }
+
+        // V2 Permissions
+        [JsonProperty("dm_permissions")]
+        public Optional<bool?> DmPermission { get; set; }
+
+        [JsonProperty("default_member_permissions")]
+        public Optional<GuildPermission?> DefaultMemberPermission { get; set; }
     }
 }

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

@@ -19,6 +19,12 @@ namespace Discord.API.Rest
         [JsonProperty("default_permission")]
         public Optional<bool> DefaultPermission { get; set; }
 
+        [JsonProperty("dm_permissions")]
+        public Optional<bool?> DmPermission { get; set; }
+
+        [JsonProperty("default_member_permissions")]
+        public Optional<GuildPermission?> DefaultMemberPermission { get; set; }
+
         public CreateApplicationCommandParams() { }
         public CreateApplicationCommandParams(string name, string description, ApplicationCommandType type, ApplicationCommandOption[] options = null)
         {

src/Discord.Net.Rest/Entities/Interactions/InteractionHelper.cs

@@ -100,7 +100,12 @@ namespace Discord.Rest
                 Type = arg.Type,
                 DefaultPermission = arg.IsDefaultPermission.IsSpecified
                         ? arg.IsDefaultPermission.Value
-                        : Optional<bool>.Unspecified
+                        : Optional<bool>.Unspecified,
+
+                // TODO: better conversion to nullable optionals
+                DefaultMemberPermission = arg.DefaultMemberPermissions.ToNullable(),
+                DmPermission = arg.IsDMEnabled.ToNullable() 
+                
             };
 
             if (arg is SlashCommandProperties slashProps)
@@ -134,7 +139,11 @@ namespace Discord.Rest
                     Type = arg.Type,
                     DefaultPermission = arg.IsDefaultPermission.IsSpecified
                         ? arg.IsDefaultPermission.Value
-                        : Optional<bool>.Unspecified
+                        : Optional<bool>.Unspecified,
+
+                    // TODO: better conversion to nullable optionals
+                    DefaultMemberPermission = arg.DefaultMemberPermissions.ToNullable(),
+                    DmPermission = arg.IsDMEnabled.ToNullable()
                 };
 
                 if (arg is SlashCommandProperties slashProps)
@@ -171,7 +180,11 @@ namespace Discord.Rest
                     Type = arg.Type,
                     DefaultPermission = arg.IsDefaultPermission.IsSpecified
                         ? arg.IsDefaultPermission.Value
-                        : Optional<bool>.Unspecified
+                        : Optional<bool>.Unspecified,
+
+                    // TODO: better conversion to nullable optionals
+                    DefaultMemberPermission = arg.DefaultMemberPermissions.ToNullable(),
+                    DmPermission = arg.IsDMEnabled.ToNullable()
                 };
 
                 if (arg is SlashCommandProperties slashProps)
@@ -285,7 +298,11 @@ namespace Discord.Rest
                 Type = arg.Type,
                 DefaultPermission = arg.IsDefaultPermission.IsSpecified
                         ? arg.IsDefaultPermission.Value
-                        : Optional<bool>.Unspecified
+                        : Optional<bool>.Unspecified,
+
+                // TODO: better conversion to nullable optionals
+                DefaultMemberPermission = arg.DefaultMemberPermissions.ToNullable(),
+                DmPermission = arg.IsDMEnabled.ToNullable()
             };
 
             if (arg is SlashCommandProperties slashProps)