[Feature] Initial user apps support (#2883)

* omg it kinda works somehow

* more things added

* a bit of xmldocs

* added interaction framework support

* working? IF

* more builder stuff

* space

* rename attribute to prevent conflict with `ContextType` enum

* context type

* moar features

* remove integration types

* trigger workflow

* modelzzzz

* `InteractionContextType`

* allow setting custom status with `SetGameAsync`

* bugzzz

* app permissions

* message interaction context

* hm

* push for cd

* structs lets goooo

* whoops forgot to change types

* whoops x2

* tweak some things

* xmldocs + missing prop + fix enabled in dm

* moar validations

* deprecate a bunch of stuffz

* disable moar obsolete warnings

* add IF sample

* Apply suggestions from code review

Co-authored-by: Quin Lynch <49576606+quinchs@users.noreply.github.com>

* Update src/Discord.Net.Rest/Entities/RestApplication.cs

Co-authored-by: Quin Lynch <49576606+quinchs@users.noreply.github.com>

---------

Co-authored-by: Quin Lynch <49576606+quinchs@users.noreply.github.com>

docs/guides/int_framework/intro.md

@@ -164,6 +164,8 @@ Interaction service complex parameter constructors are prioritized in the follow
 3. Type's only public constuctor.
 
 #### DM Permissions
+> [!WARNING]
+> [EnabledInDmAttribute] is being deprecated in favor of [CommandContextTypes] attribute.
 
 You can use the [EnabledInDmAttribute] to configure whether a globally-scoped top level command should be enabled in Dms or not. Only works on top level commands.
 
@@ -419,6 +421,12 @@ Discord Slash Commands support name/description localization. Localization is av
 }
 ```
 
+## User Apps
+
+User apps are the kind of Discord applications that are installed onto a user instead of a guild, thus making commands usable anywhere on Discord. Note that only users who have installed the application will see the commands. This sample shows you how to create a simple user install command.
+
+[!code-csharp[Registering Commands Example](samples/intro/userapps.cs)]
+
 [AutocompleteHandlers]: xref:Guides.IntFw.AutoCompletion
 [DependencyInjection]: xref:Guides.DI.Intro
 
@@ -447,6 +455,8 @@ Discord Slash Commands support name/description localization. Localization is av
 [ChannelTypesAttribute]: xref:Discord.Interactions.ChannelTypesAttribute
 [MaxValueAttribute]: xref:Discord.Interactions.MaxValueAttribute
 [MinValueAttribute]: xref:Discord.Interactions.MinValueAttribute
+[EnabledInDmAttribute]: xref:Discord.Interactions.EnabledInDmAttribute
+[CommandContextTypes]: xref:Discord.Interactions.CommandContextTypesAttribute
 
 [IChannel]: xref:Discord.IChannel
 [IRole]: xref:Discord.IRole

docs/guides/int_framework/samples/intro/userapps.cs

@@ -0,0 +1,19 @@
+
+// This parameteres can be configured on the module level
+// Set supported command context types to Bot DMs and Private Channels (regular DM & GDM)
+[CommandContextType(InteractionContextType.BotDm, InteractionContextType.PrivateChannel)]
+// Set supported integration installation type to User Install
+[IntegrationType(ApplicationIntegrationType.UserInstall)]
+public class CommandModule() : InteractionModuleBase<SocketInteractionContext>
+{
+    [SlashCommand("test", "Just a test command")]
+	public async Task TestCommand()
+		=> await RespondAsync("Hello There");
+
+    // But can also be overridden on the command level
+    [CommandContextType(InteractionContextType.BotDm, InteractionContextType.PrivateChannel, InteractionContextType.Guild)]
+    [IntegrationType(ApplicationIntegrationType.GuildInstall)]
+    [SlashCommand("echo", "Echo the input")]
+	public async Task EchoCommand(string input)
+		=> await RespondAsync($"You said: {input}");
+}

docs/toc.yml

@@ -1,11 +1,11 @@
 - name: Home
   href: index.md
-- name: Documentation
-  href: api/
-  topicUid: API.Docs
 - name: Guides
   href: guides/
   topicUid: Guides.Introduction
+- name: API Reference
+  href: api/
+  topicUid: API.Docs
 - name: FAQ
   href: faq/
   topicUid: FAQ.Basics.GetStarted

src/Discord.Net.Core/Entities/Applications/ApplicationIntegrationType.cs

@@ -0,0 +1,17 @@
+namespace Discord;
+
+/// <summary>
+///     Defines where an application can be installed.
+/// </summary>
+public enum ApplicationIntegrationType
+{
+    /// <summary>
+    ///     The application can be installed to a guild.
+    /// </summary>
+    GuildInstall = 0,
+
+    /// <summary>
+    ///     The application can be installed to a user.
+    /// </summary>
+    UserInstall = 1,
+}

src/Discord.Net.Core/Entities/Applications/IApplication.cs

@@ -154,5 +154,10 @@ public interface IApplication : ISnowflakeEntity
         ///     Gets the application's verification state.
         /// </summary>
         ApplicationVerificationState VerificationState { get; }
+
+        /// <summary>
+        ///     Gets application install params configured for integration install types.
+        /// </summary>
+        IReadOnlyDictionary<ApplicationIntegrationType, ApplicationInstallParams> IntegrationTypesConfig { get; }
     }
 }

src/Discord.Net.Core/Entities/Applications/ModifyApplicationProperties.cs

@@ -1,3 +1,5 @@
+using System.Collections.Generic;
+
 namespace Discord;
 
 /// <summary>
@@ -54,4 +56,9 @@ public class ModifyApplicationProperties
     /// </remarks>
     public Optional<ApplicationFlags> Flags { get; set; }
 
+    /// <summary>
+    ///     Gets or sets application install params configured for integration install types.
+    /// </summary>
+    public Optional<Dictionary<ApplicationIntegrationType, ApplicationInstallParams>> IntegrationTypesConfig { get; set; }
+
 }

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

@@ -93,6 +93,16 @@ public IReadOnlyDictionary<string, string> DescriptionLocalizations
         /// </summary>
         public Optional<GuildPermission> DefaultMemberPermissions { get; set; }
 
+        /// <summary>
+        ///     Gets or sets the install method for this command.
+        /// </summary>
+        public Optional<HashSet<ApplicationIntegrationType>> IntegrationTypes { get; set; }
+
+        /// <summary>
+        ///     Gets or sets context types this command can be executed in.
+        /// </summary>
+        public Optional<HashSet<InteractionContextType>> ContextTypes { get; set; }
+
         internal ApplicationCommandProperties() { }
     }
 }

src/Discord.Net.Core/Entities/Interactions/IApplicationCommand.cs → src/Discord.Net.Core/Entities/Interactions/ApplicationCommands/IApplicationCommand.cs

@@ -40,6 +40,7 @@ public interface IApplicationCommand : ISnowflakeEntity, IDeletable
         /// <remarks>
         ///     Only for globally-scoped commands.
         /// </remarks>
+        [Obsolete("This property will be deprecated soon. Use ContextTypes instead.")]
         bool IsEnabledInDm { get; }
 
         /// <summary>
@@ -83,6 +84,16 @@ public interface IApplicationCommand : ISnowflakeEntity, IDeletable
         /// </remarks>
         string DescriptionLocalized { get; }
 
+        /// <summary>
+        ///     Gets context types the command can be used in; <see langword="null" /> if not specified.
+        /// </summary>
+        IReadOnlyCollection<InteractionContextType> ContextTypes { get; }
+
+        /// <summary>
+        ///     Gets the install method for the command; <see langword="null" /> if not specified.
+        /// </summary>
+        IReadOnlyCollection<ApplicationIntegrationType> IntegrationTypes { get; }
+
         /// <summary>
         ///     Modifies the current application command.
         /// </summary>

src/Discord.Net.Core/Entities/Interactions/ApplicationCommands/InteractionContextType.cs

@@ -0,0 +1,22 @@
+namespace Discord;
+
+/// <summary>
+///     Represents a context in Discord where an interaction can be used.
+/// </summary>
+public enum InteractionContextType
+{
+    /// <summary>
+    ///     The command can be used in guilds.
+    /// </summary>
+    Guild = 0,
+
+    /// <summary>
+    ///     The command can be used in DM channel with the bot.
+    /// </summary>
+    BotDm = 1,
+
+    /// <summary>
+    ///     The command can be used in private channels.
+    /// </summary>
+    PrivateChannel = 2
+}

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

@@ -44,6 +44,7 @@ public string Name
         /// <summary>
         ///     Gets or sets whether or not this command can be used in DMs.
         /// </summary>
+        [Obsolete("This property will be deprecated soon. Configure with ContextTypes instead.")]
         public bool IsDMEnabled { get; set; } = true;
 
         /// <summary>
@@ -56,6 +57,16 @@ public string Name
         /// </summary>
         public GuildPermission? DefaultMemberPermissions { get; set; }
 
+        /// <summary>
+        ///     Gets the install method for this command; <see langword="null" /> if not specified.
+        /// </summary>
+        public HashSet<ApplicationIntegrationType> IntegrationTypes { get; set; } = null;
+
+        /// <summary>
+        ///     Gets the context types this command can be executed in; <see langword="null" /> if not specified.
+        /// </summary>
+        public HashSet<InteractionContextType> ContextTypes { get; set; } = null;
+
         private string _name;
         private Dictionary<string, string> _nameLocalizations;
 
@@ -71,10 +82,14 @@ public MessageCommandProperties Build()
             {
                 Name = Name,
                 IsDefaultPermission = IsDefaultPermission,
+#pragma warning disable CS0618 // Type or member is obsolete
                 IsDMEnabled = IsDMEnabled,
+#pragma warning restore CS0618 // Type or member is obsolete
                 DefaultMemberPermissions = DefaultMemberPermissions ?? Optional<GuildPermission>.Unspecified,
                 NameLocalizations = NameLocalizations,
                 IsNsfw = IsNsfw,
+                IntegrationTypes = IntegrationTypes,
+                ContextTypes = ContextTypes
             };
 
             return props;
@@ -133,6 +148,7 @@ public MessageCommandBuilder WithNameLocalizations(IDictionary<string, string> n
         /// </summary>
         /// <param name="permission"><see langword="true"/> if the command is available in dms, otherwise <see langword="false"/>.</param>
         /// <returns>The current builder.</returns>
+        [Obsolete("This method will be deprecated soon. Configure with WithContextTypes instead.")]
         public MessageCommandBuilder WithDMPermission(bool permission)
         {
             IsDMEnabled = permission;
@@ -187,5 +203,31 @@ public MessageCommandBuilder WithDefaultMemberPermissions(GuildPermission? permi
             DefaultMemberPermissions = permissions;
             return this;
         }
+
+        /// <summary>
+        ///     Sets the install method for this command.
+        /// </summary>
+        /// <param name="integrationTypes">Install types for this command.</param>
+        /// <returns>The builder instance.</returns>
+        public MessageCommandBuilder WithIntegrationTypes(params ApplicationIntegrationType[] integrationTypes)
+        {
+            IntegrationTypes = integrationTypes is not null
+                ? new HashSet<ApplicationIntegrationType>(integrationTypes)
+                : null;
+            return this;
+        }
+
+        /// <summary>
+        ///     Sets context types this command can be executed in.
+        /// </summary>
+        /// <param name="contextTypes">Context types the command can be executed in.</param>
+        /// <returns>The builder instance.</returns>
+        public MessageCommandBuilder WithContextTypes(params InteractionContextType[] contextTypes)
+        {
+            ContextTypes = contextTypes is not null
+                ? new HashSet<InteractionContextType>(contextTypes)
+                : null;
+            return this;
+        }
     }
 }

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

@@ -44,6 +44,7 @@ public string Name
         /// <summary>
         ///     Gets or sets whether or not this command can be used in DMs.
         /// </summary>
+        [Obsolete("This property will be deprecated soon. Configure with ContextTypes instead.")]
         public bool IsDMEnabled { get; set; } = true;
 
         /// <summary>
@@ -56,6 +57,16 @@ public string Name
         /// </summary>
         public GuildPermission? DefaultMemberPermissions { get; set; }
 
+        /// <summary>
+        ///     Gets the installation method for this command. <see langword="null"/> if not set.
+        /// </summary>
+        public HashSet<ApplicationIntegrationType> IntegrationTypes { get; set; }
+
+        /// <summary>
+        ///     Gets the context types this command can be executed in. <see langword="null"/> if not set.
+        /// </summary>
+        public HashSet<InteractionContextType> ContextTypes { get; set; }
+
         private string _name;
         private Dictionary<string, string> _nameLocalizations;
 
@@ -69,10 +80,14 @@ public UserCommandProperties Build()
             {
                 Name = Name,
                 IsDefaultPermission = IsDefaultPermission,
+#pragma warning disable CS0618 // Type or member is obsolete
                 IsDMEnabled = IsDMEnabled,
+#pragma warning restore CS0618 // Type or member is obsolete
                 DefaultMemberPermissions = DefaultMemberPermissions ?? Optional<GuildPermission>.Unspecified,
                 NameLocalizations = NameLocalizations,
                 IsNsfw = IsNsfw,
+                ContextTypes = ContextTypes,
+                IntegrationTypes = IntegrationTypes
             };
 
             return props;
@@ -131,6 +146,7 @@ public UserCommandBuilder WithNameLocalizations(IDictionary<string, string> name
         /// </summary>
         /// <param name="permission"><see langword="true"/> if the command is available in dms, otherwise <see langword="false"/>.</param>
         /// <returns>The current builder.</returns>
+        [Obsolete("This method will be deprecated soon. Configure with WithContextTypes instead.")]
         public UserCommandBuilder WithDMPermission(bool permission)
         {
             IsDMEnabled = permission;
@@ -185,5 +201,31 @@ public UserCommandBuilder WithDefaultMemberPermissions(GuildPermission? permissi
             DefaultMemberPermissions = permissions;
             return this;
         }
+
+        /// <summary>
+        ///     Sets the installation method for this command.
+        /// </summary>
+        /// <param name="integrationTypes">Installation types for this command.</param>
+        /// <returns>The builder instance.</returns>
+        public UserCommandBuilder WithIntegrationTypes(params ApplicationIntegrationType[] integrationTypes)
+        {
+            IntegrationTypes = integrationTypes is not null
+                ? new HashSet<ApplicationIntegrationType>(integrationTypes)
+                : null;
+            return this;
+        }
+
+        /// <summary>
+        ///     Sets context types this command can be executed in.
+        /// </summary>
+        /// <param name="contextTypes">Context types the command can be executed in.</param>
+        /// <returns>The builder instance.</returns>
+        public UserCommandBuilder WithContextTypes(params InteractionContextType[] contextTypes)
+        {
+            ContextTypes = contextTypes is not null
+                ? new HashSet<InteractionContextType>(contextTypes)
+                : null;
+            return this;
+        }
     }
 }

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

@@ -96,6 +96,21 @@ public interface IDiscordInteraction : ISnowflakeEntity
         /// </summary>
         IReadOnlyCollection<IEntitlement> Entitlements { get; }
 
+        /// <summary>
+        ///     Gets which integrations authorized the interaction.
+        /// </summary>
+        IReadOnlyDictionary<ApplicationIntegrationType, ulong> IntegrationOwners { get; }
+
+        /// <summary>
+        ///     Gets the context this interaction was created in. <see langword="null"/> if context type is unknown.
+        /// </summary>
+        InteractionContextType? ContextType { get;  }
+
+        /// <summary>
+        ///     Gets the permissions the app or bot has within the channel the interaction was sent from.
+        /// </summary>
+        GuildPermissions Permissions { get; }
+
         /// <summary>
         ///     Responds to an Interaction with type <see cref="InteractionResponseType.ChannelMessageWithSource"/>.
         /// </summary>