add `NsfwCommandAttribute` to Interaction Framework

src/Discord.Net.Interactions/Attributes/NsfwCommandAttribute.cs

@@ -0,0 +1,25 @@
+using System;
+
+namespace Discord.Interactions
+{
+    /// <summary>
+    ///     Sets the <see cref="IApplicationCommandInfo.IsNsfw"/> property of an application command or module.
+    /// </summary>
+    [AttributeUsage(AttributeTargets.Class | AttributeTargets.Method, AllowMultiple = false, Inherited = true)]
+    public class NsfwCommandAttribute : Attribute
+    {
+        /// <summary>
+        ///     Gets whether or not this command is age restricted.
+        /// </summary>
+        public bool IsNsfw { get; }
+
+        /// <summary>
+        ///     Sets the <see cref="IApplicationCommandInfo.IsNsfw"/> property of an application command or module.
+        /// </summary>
+        /// <param name="isNsfw">Whether or not this command is age restricted.</param>
+        public NsfwCommandAttribute(bool isNsfw)
+        {
+            IsNsfw = isNsfw;
+        }
+    }
+}

src/Discord.Net.Interactions/Builders/Commands/ContextCommandBuilder.cs

@@ -25,6 +25,11 @@ namespace Discord.Interactions.Builders
         /// </summary>
         public bool IsEnabledInDm { get; set; } = true;
 
+        /// <summary>
+        ///     Gets whether this command is age restricted.
+        /// </summary>
+        public bool IsNsfw { get; set; } = false;
+
         /// <summary>
         ///     Gets the default permissions needed for executing this command.
         /// </summary>
@@ -95,6 +100,19 @@ namespace Discord.Interactions.Builders
             return this;
         }
 
+        /// <summary>
+        ///     Sets <see cref="IsNsfw"/>.
+        /// </summary>
+        /// <param name="isNsfw">New value of the <see cref="IsNsfw"/>.</param>
+        /// <returns>
+        ///     The builder instance.
+        /// </returns>
+        public ContextCommandBuilder SetNsfw(bool isNsfw)
+        {
+            IsNsfw = isNsfw;
+            return this;
+        }
+
         /// <summary>
         ///     Sets <see cref="DefaultMemberPermissions"/>.
         /// </summary>

src/Discord.Net.Interactions/Builders/Commands/SlashCommandBuilder.cs

@@ -25,6 +25,11 @@ namespace Discord.Interactions.Builders
         /// </summary>
         public bool IsEnabledInDm { get; set; } = true;
 
+        /// <summary>
+        ///     Gets whether this command is age restricted.
+        /// </summary>
+        public bool IsNsfw { get; set; } = false;
+
         /// <summary>
         ///     Gets the default permissions needed for executing this command.
         /// </summary>
@@ -95,6 +100,19 @@ namespace Discord.Interactions.Builders
             return this;
         }
 
+        /// <summary>
+        ///     Sets <see cref="IsNsfw"/>.
+        /// </summary>
+        /// <param name="isNsfw">New value of the <see cref="IsNsfw"/>.</param>
+        /// <returns>
+        ///     The builder instance.
+        /// </returns>
+        public SlashCommandBuilder SetNsfw(bool isNsfw)
+        {
+            IsNsfw = isNsfw;
+            return this;
+        }
+
         /// <summary>
         ///     Sets <see cref="DefaultMemberPermissions"/>.
         /// </summary>

src/Discord.Net.Interactions/Builders/ModuleBuilder.cs

@@ -59,6 +59,11 @@ namespace Discord.Interactions.Builders
         /// </summary>
         public bool IsEnabledInDm { get; set; } = true;
 
+        /// <summary>
+        ///     Gets whether this command is age restricted.
+        /// </summary>
+        public bool IsNsfw { get; set; } = false;
+
         /// <summary>
         ///     Gets the default permissions needed for executing this command.
         /// </summary>

src/Discord.Net.Interactions/Builders/ModuleClassBuilder.cs

@@ -101,6 +101,9 @@ namespace Discord.Interactions.Builders
                     case DontAutoRegisterAttribute dontAutoRegister:
                         builder.DontAutoRegister = true;
                         break;
+                    case NsfwCommandAttribute nsfwCommand:
+                        builder.IsNsfw = nsfwCommand.IsNsfw;
+                        break;
                     default:
                         builder.AddAttributes(attribute);
                         break;
@@ -192,6 +195,9 @@ namespace Discord.Interactions.Builders
                     case PreconditionAttribute precondition:
                         builder.WithPreconditions(precondition);
                         break;
+                    case NsfwCommandAttribute nsfwCommand:
+                        builder.SetNsfw(nsfwCommand.IsNsfw);
+                        break;
                     default:
                         builder.WithAttributes(attribute);
                         break;
@@ -244,6 +250,9 @@ namespace Discord.Interactions.Builders
                     case PreconditionAttribute precondition:
                         builder.WithPreconditions(precondition);
                         break;
+                    case NsfwCommandAttribute nsfwCommand:
+                        builder.SetNsfw(nsfwCommand.IsNsfw);
+                        break;
                     default:
                         builder.WithAttributes(attribute);
                         break;

src/Discord.Net.Interactions/Info/Commands/ContextCommands/ContextCommandInfo.cs

@@ -20,6 +20,9 @@ namespace Discord.Interactions
         /// <inheritdoc/>
         public bool IsEnabledInDm { get; }
 
+        /// <inheritdoc/>
+        public bool IsNsfw { get; }
+
         /// <inheritdoc/>
         public GuildPermission? DefaultMemberPermissions { get; }
 
@@ -37,6 +40,7 @@ namespace Discord.Interactions
         {
             CommandType = builder.CommandType;
             DefaultPermission = builder.DefaultPermission;
+            IsNsfw = builder.IsNsfw;
             IsEnabledInDm = builder.IsEnabledInDm;
             DefaultMemberPermissions = builder.DefaultMemberPermissions;
             Parameters = builder.Parameters.Select(x => x.Build(this)).ToImmutableArray();

src/Discord.Net.Interactions/Info/Commands/SlashCommandInfo.cs

@@ -29,6 +29,9 @@ namespace Discord.Interactions
         /// <inheritdoc/>
         public bool IsEnabledInDm { get; }
 
+        /// <inheritdoc/>
+        public bool IsNsfw { get; }
+
         /// <inheritdoc/>
         public GuildPermission? DefaultMemberPermissions { get; }
 
@@ -48,6 +51,7 @@ namespace Discord.Interactions
             Description = builder.Description;
             DefaultPermission = builder.DefaultPermission;
             IsEnabledInDm = builder.IsEnabledInDm;
+            IsNsfw = builder.IsNsfw;
             DefaultMemberPermissions = builder.DefaultMemberPermissions;
             Parameters = builder.Parameters.Select(x => x.Build(this)).ToImmutableArray();
             FlattenedParameters = FlattenParameters(Parameters).ToImmutableArray();

src/Discord.Net.Interactions/Info/IApplicationCommandInfo.cs

@@ -28,6 +28,11 @@ namespace Discord.Interactions
         /// </summary>
         public bool IsEnabledInDm { get; }
 
+        /// <summary>
+        ///     Gets whether this command can is age restricted.
+        /// </summary>
+        public bool IsNsfw { get; }
+
         /// <summary>
         ///     Gets the default permissions needed for executing this command.
         /// </summary>

src/Discord.Net.Interactions/Info/ModuleInfo.cs

@@ -49,6 +49,11 @@ namespace Discord.Interactions
         /// </summary>
         public bool IsEnabledInDm { get; }
 
+        /// <summary>
+        ///     Gets whether this command is age restricted.
+        /// </summary>
+        public bool IsNsfw { get; }
+
         /// <summary>
         ///     Gets the default permissions needed for executing this command.
         /// </summary>
@@ -121,6 +126,7 @@ namespace Discord.Interactions
             Description = builder.Description;
             Parent = parent;
             DefaultPermission = builder.DefaultPermission;
+            IsNsfw = builder.IsNsfw;
             IsEnabledInDm = builder.IsEnabledInDm;
             DefaultMemberPermissions = BuildDefaultMemberPermissions(builder);
             SlashCommands = BuildSlashCommands(builder).ToImmutableArray();

src/Discord.Net.Interactions/Utilities/ApplicationCommandRestUtil.cs

@@ -54,6 +54,7 @@ namespace Discord.Interactions
                 Description = commandInfo.Description,
                 IsDefaultPermission = commandInfo.DefaultPermission,
                 IsDMEnabled = commandInfo.IsEnabledInDm,
+                IsNsfw = commandInfo.IsNsfw,
                 DefaultMemberPermissions = ((commandInfo.DefaultMemberPermissions ?? 0) | (commandInfo.Module.DefaultMemberPermissions ?? 0)).SanitizeGuildPermissions(),
             }.WithNameLocalizations(localizationManager?.GetAllNames(commandPath, LocalizationTarget.Command) ?? ImmutableDictionary<string, string>.Empty)
             .WithDescriptionLocalizations(localizationManager?.GetAllDescriptions(commandPath, LocalizationTarget.Command) ?? ImmutableDictionary<string, string>.Empty)
@@ -97,7 +98,8 @@ namespace Discord.Interactions
                     Name = commandInfo.Name,
                     IsDefaultPermission = commandInfo.DefaultPermission,
                     DefaultMemberPermissions = ((commandInfo.DefaultMemberPermissions ?? 0) | (commandInfo.Module.DefaultMemberPermissions ?? 0)).SanitizeGuildPermissions(),
-                    IsDMEnabled = commandInfo.IsEnabledInDm
+                    IsDMEnabled = commandInfo.IsEnabledInDm,
+                    IsNsfw = commandInfo.IsNsfw,
                 }
                 .WithNameLocalizations(localizationManager?.GetAllNames(commandPath, LocalizationTarget.Command) ?? ImmutableDictionary<string, string>.Empty)
                 .Build(),
@@ -106,6 +108,7 @@ namespace Discord.Interactions
                     Name = commandInfo.Name,
                     IsDefaultPermission = commandInfo.DefaultPermission,
                     DefaultMemberPermissions = ((commandInfo.DefaultMemberPermissions ?? 0) | (commandInfo.Module.DefaultMemberPermissions ?? 0)).SanitizeGuildPermissions(),
+                    IsNsfw = commandInfo.IsNsfw,
                     IsDMEnabled = commandInfo.IsEnabledInDm
                 }
                 .WithNameLocalizations(localizationManager?.GetAllNames(commandPath, LocalizationTarget.Command) ?? ImmutableDictionary<string, string>.Empty)
@@ -225,6 +228,7 @@ namespace Discord.Interactions
                     IsDefaultPermission = command.IsDefaultPermission,
                     DefaultMemberPermissions = (GuildPermission)command.DefaultMemberPermissions.RawValue,
                     IsDMEnabled = command.IsEnabledInDm,
+                    IsNsfw = command.IsNsfw,
                     Options = command.Options?.Select(x => x.ToApplicationCommandOptionProps())?.ToList() ?? Optional<List<ApplicationCommandOptionProperties>>.Unspecified,
                     NameLocalizations = command.NameLocalizations?.ToImmutableDictionary() ?? ImmutableDictionary<string, string>.Empty,
                     DescriptionLocalizations = command.DescriptionLocalizations?.ToImmutableDictionary() ?? ImmutableDictionary<string, string>.Empty,
@@ -234,6 +238,7 @@ namespace Discord.Interactions
                     Name = command.Name,
                     IsDefaultPermission = command.IsDefaultPermission,
                     DefaultMemberPermissions = (GuildPermission)command.DefaultMemberPermissions.RawValue,
+                    IsNsfw = command.IsNsfw,
                     IsDMEnabled = command.IsEnabledInDm,
                     NameLocalizations = command.NameLocalizations?.ToImmutableDictionary() ?? ImmutableDictionary<string, string>.Empty,
                     DescriptionLocalizations = command.DescriptionLocalizations?.ToImmutableDictionary() ?? ImmutableDictionary<string, string>.Empty
@@ -243,6 +248,7 @@ namespace Discord.Interactions
                     Name = command.Name,
                     IsDefaultPermission = command.IsDefaultPermission,
                     DefaultMemberPermissions = (GuildPermission)command.DefaultMemberPermissions.RawValue,
+                    IsNsfw = command.IsNsfw,
                     IsDMEnabled = command.IsEnabledInDm,
                     NameLocalizations = command.NameLocalizations?.ToImmutableDictionary() ?? ImmutableDictionary<string, string>.Empty,
                     DescriptionLocalizations = command.DescriptionLocalizations?.ToImmutableDictionary() ?? ImmutableDictionary<string, string>.Empty