feature: V2 Permissions (#2222)

* Initial V2 permissions

* add perms-v2 attributes and properties, add deprecation messages

* add perms-v2 properties to command info classes

* add perms-v2 fields to Rest/SocketApplicationCommand entities and IApplicationCommand

* fix json name of DmPermission field

Co-authored-by: Cenngo <cenk.ergen1@gmail.com>

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

@@ -17,8 +17,19 @@ namespace Discord.Interactions.Builders
         /// <summary>
         ///     Gets the default permission of this command.
         /// </summary>
+        [Obsolete($"To be deprecated soon, use {nameof(IsEnabledInDm)} and {nameof(DefaultMemberPermissions)} instead.")]
         public bool DefaultPermission { get; set; } = true;
 
+        /// <summary>
+        ///     Gets whether this command can be used in DMs.
+        /// </summary>
+        public bool IsEnabledInDm { get; set; } = true;
+
+        /// <summary>
+        ///     Gets the default permissions needed for executing this command.
+        /// </summary>
+        public GuildPermission? DefaultMemberPermissions { get; set; } = null;
+
         internal ContextCommandBuilder (ModuleBuilder module) : base(module) { }
 
         /// <summary>
@@ -49,6 +60,7 @@ namespace Discord.Interactions.Builders
         /// <returns>
         ///     The builder instance.
         /// </returns>
+        [Obsolete($"To be deprecated soon, use {nameof(SetEnabledInDm)} and {nameof(WithDefaultMemberPermissions)} instead.")]
         public ContextCommandBuilder SetDefaultPermission (bool defaultPermision)
         {
             DefaultPermission = defaultPermision;
@@ -70,6 +82,32 @@ namespace Discord.Interactions.Builders
             return this;
         }
 
+        /// <summary>
+        ///     Sets <see cref="IsEnabledInDm"/>.
+        /// </summary>
+        /// <param name="isEnabled">New value of the <see cref="IsEnabledInDm"/>.</param>
+        /// <returns>
+        ///     The builder instance.
+        /// </returns>
+        public ContextCommandBuilder SetEnabledInDm(bool isEnabled)
+        {
+            IsEnabledInDm = isEnabled;
+            return this;
+        }
+
+        /// <summary>
+        ///     Sets <see cref="DefaultMemberPermissions"/>.
+        /// </summary>
+        /// <param name="permissions">New value of the <see cref="DefaultMemberPermissions"/>.</param>
+        /// <returns>
+        ///     The builder instance.
+        /// </returns>
+        public ContextCommandBuilder WithDefaultMemberPermissions(GuildPermission permissions)
+        {
+            DefaultMemberPermissions = permissions;
+            return this;
+        }
+
         internal override ContextCommandInfo Build (ModuleInfo module, InteractionService commandService) =>
             ContextCommandInfo.Create(this, module, commandService);
     }

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

@@ -17,8 +17,19 @@ namespace Discord.Interactions.Builders
         /// <summary>
         ///     Gets and sets the default permission of this command.
         /// </summary>
+        [Obsolete($"To be deprecated soon, use {nameof(IsEnabledInDm)} and {nameof(DefaultMemberPermissions)} instead.")]
         public bool DefaultPermission { get; set; } = true;
 
+        /// <summary>
+        ///     Gets whether this command can be used in DMs.
+        /// </summary>
+        public bool IsEnabledInDm { get; set; } = true;
+
+        /// <summary>
+        ///     Gets the default permissions needed for executing this command.
+        /// </summary>
+        public GuildPermission? DefaultMemberPermissions { get; set; } = null;
+
         internal SlashCommandBuilder (ModuleBuilder module) : base(module) { }
 
         /// <summary>
@@ -49,6 +60,7 @@ namespace Discord.Interactions.Builders
         /// <returns>
         ///     The builder instance.
         /// </returns>
+        [Obsolete($"To be deprecated soon, use {nameof(SetEnabledInDm)} and {nameof(WithDefaultMemberPermissions)} instead.")]
         public SlashCommandBuilder WithDefaultPermission (bool permission)
         {
             DefaultPermission = permission;
@@ -70,6 +82,32 @@ namespace Discord.Interactions.Builders
             return this;
         }
 
+        /// <summary>
+        ///     Sets <see cref="IsEnabledInDm"/>.
+        /// </summary>
+        /// <param name="isEnabled">New value of the <see cref="IsEnabledInDm"/>.</param>
+        /// <returns>
+        ///     The builder instance.
+        /// </returns>
+        public SlashCommandBuilder SetEnabledInDm(bool isEnabled)
+        {
+            IsEnabledInDm = isEnabled;
+            return this;
+        }
+
+        /// <summary>
+        ///     Sets <see cref="DefaultMemberPermissions"/>.
+        /// </summary>
+        /// <param name="permissions">New value of the <see cref="DefaultMemberPermissions"/>.</param>
+        /// <returns>
+        ///     The builder instance.
+        /// </returns>
+        public SlashCommandBuilder WithDefaultMemberPermissions(GuildPermission permissions)
+        {
+            DefaultMemberPermissions = permissions;
+            return this;
+        }
+
         internal override SlashCommandInfo Build (ModuleInfo module, InteractionService commandService) =>
             new SlashCommandInfo(this, module, commandService);
     }