Remora.Discord.Commands 20.2.1

Prefix Reserved
.NET 5.0 This package targets .NET 5.0. The package is compatible with this framework or higher. .NET Standard 2.1 This package targets .NET Standard 2.1. The package is compatible with this framework or higher.
There is a newer version of this package available.
See the version list below for details. 
dotnet add package Remora.Discord.Commands --version 20.2.1                

                    
                

            
NuGet\Install-Package Remora.Discord.Commands -Version 20.2.1
This command is intended to be used within the Package Manager Console in Visual Studio, as it uses the NuGet module's version of Install-Package. 
<PackageReference Include="Remora.Discord.Commands" Version="20.2.1" />
For projects that support PackageReference, copy this XML node into the project file to reference the package. 
paket add Remora.Discord.Commands --version 20.2.1                

                    
                

            
#r "nuget: Remora.Discord.Commands, 20.2.1"
#r directive can be used in F# Interactive and Polyglot Notebooks. Copy this into the interactive tool or source code of the script to reference the package. 
// Install Remora.Discord.Commands as a Cake Addin
#addin nuget:?package=Remora.Discord.Commands&version=20.2.1

// Install Remora.Discord.Commands as a Cake Tool
#tool nuget:?package=Remora.Discord.Commands&version=20.2.1

Remora.Discord.Commands

This package provides glue code for using Remora.Commands with Remora.Discord, adding appropriate conditions, autocompletion, type parsers, and uniform UX for Remora-based applications.

Structure

Most of the library's functionality is offloaded to Remora.Commands, for which documentation is available at its repository. Beyond this, the structure of the library revolves around concepts that should be relatively familiar to users of other Discord libraries.

Take a look in Parsers for an overview of the various types supported as first-class parameters, beyond what Remora.Commands provides out of the box.

For each command interaction that is received by your application, a matching appropriate command is identified in your registered command trees, and is executed with an implementation of ICommandContext, which provides contextual information about the command environment (such as guilds, users, additional data payloads, etc).

Furthermore, any autocompletion requests are routed to implementations of IAutocompleteProvider, enabling you to provide bot-driven autocompletion of command parameters.

Usage

To enable commands, call the following method on your dependency injection container.

services.AddDiscordCommands(enableSlash: true);

Note that slash commands are not enabled by default, and you must opt into them by passing true as above.

Registering slash commands

Once you've added the command services and instantiated your service container, you must register your command tree(s) with Discord.

Inject or retrieve the SlashService from your container in an appropriate way, and then call

await slashService.UpdateSlashCommandsAsync();

This will register the default command tree globally; optionally, you may register a different named tree, or register the tree at a guild level.

await slashService.UpdateSlashCommandsAsync(guildID: myServerID, treeName: myTreeName);

Remember to check the result of your command registration, as not every feature supported by Remora.Commands is supported by Discord.

User feedback

If you want to create messages with a uniform UX, you may use the FeedbackService for various message types, such as notices, successes, failures, etc. The styling of these messages is controlled by an IFeedbackTheme, of which there are two provided by default. These themes map to Discord's own dark and light themes, respectively.

You may also implement your own theme and register it with the dependency injection container.

Autocomplete

To provide autocomplete options while users of your application type, create a class that implements either IAutocompleteProvider<T> (for autocompletion of specific parameter types) or IAutocompleteProvider (for generic autocompletion).

public class MyAutocompleteProvider : IAutocompleteProvider
{
    public string Identity => "autocomplete::my-provider";
    
    public ValueTask<IReadOnlyList<IApplicationCommandOptionChoice>> GetSuggestionsAsync
    (
        IReadOnlyList<IApplicationCommandInteractionDataOption> options,
        string userInput,
        CancellationToken ct = default
    )
    {
        // ...
    }
}

You may suggest up to 25 choices when your provider is invoked.

In order to select which autocomplete provider to use, apply the AutocompleteAttribute to the appropriate parameters in your command groups. If you're using the type-specific autocomplete provider, this is not required.

Pre- and post-execution events

In some cases, it may be useful to execute pieces of code before or after invocation of a command (checking GDPR consent, logging error messages, etc).

This can be accomplished by registering pre- and post-execution events, which are classes which implement either IPreExecutionEvent or IPostExecutionEvent, respectively.

public class MyPreExecutionEvent : IPreExecutionEvent
{
    public Task<Result> BeforeExecutionAsync(ICommandContext context, CancellationToken ct = default)
    {
        // ...
    }
}

...

services.AddPreExecutionEvent<MyPreExecutionEvent>();

If you return an error in a pre-execution event, the command invocation is cancelled, and never progresses to the real execution stage. If you return an error in a post-execution event, this is treated as if the command itself had failed, which may be useful for things like scrubbing database transactions.

Product Compatible and additional computed target framework versions.
.NET net5.0 is compatible.  net5.0-windows was computed.  net6.0 is compatible.  net6.0-android was computed.  net6.0-ios was computed.  net6.0-maccatalyst was computed.  net6.0-macos was computed.  net6.0-tvos was computed.  net6.0-windows was computed.  net7.0 was computed.  net7.0-android was computed.  net7.0-ios was computed.  net7.0-maccatalyst was computed.  net7.0-macos was computed.  net7.0-tvos was computed.  net7.0-windows was computed.  net8.0 was computed.  net8.0-android was computed.  net8.0-browser was computed.  net8.0-ios was computed.  net8.0-maccatalyst was computed.  net8.0-macos was computed.  net8.0-tvos was computed.  net8.0-windows was computed. 
.NET Core netcoreapp3.0 was computed.  netcoreapp3.1 was computed. 
.NET Standard netstandard2.1 is compatible. 
MonoAndroid monoandroid was computed. 
MonoMac monomac was computed. 
MonoTouch monotouch was computed. 
Tizen tizen60 was computed. 
Xamarin.iOS xamarinios was computed. 
Xamarin.Mac xamarinmac was computed. 
Xamarin.TVOS xamarintvos was computed. 
Xamarin.WatchOS xamarinwatchos was computed. 
Compatible target framework(s)
Included target framework(s) (in package)
Learn more about Target Frameworks and .NET Standard.

NuGet packages (6)

Showing the top 5 NuGet packages that depend on Remora.Discord.Commands:

Package Downloads
Remora.Discord

Metapackage for Remora.Discord's various components
Remora.Discord.Interactivity

Framework for using Discord's interaction-driven message components
Remora.Discord.Extensions

Utilities and components which extend upon Remora.Discord's base resources
AraHaan.Remora.Extensions

A package that extends Remora.Discord with additional functionality. Extensions: - AddRoles (extends IDiscordRestGuildAPI to allow adding discord roles in bulk) - RemoveRoles (extends IDiscordRestGuildAPI to allow removing discord roles in bulk) - RunBotConsoleAsync (extends IHostBuilder to allow an cleanup operation to be done on application shutdown, requires a type to derive from IBotServiceConfigurator) - DownloadAsync (extends DownloadAsync to download a discord attackment to a stream) - DownloadStringAsync (extends DownloadAsync to download a discord attackment to a string) - DownloadToFileAsync (extends DownloadAsync to download a discord attackment to a file) - AddDiscordGatewayClientOptions (extends IServiceCollection to allow adding the gateway client options using a factory) - AddSlashUpdateService (extends IServiceCollection to allow adding the SlashUpdateService background service to the service collection) - Configure<T> (extends IServiceProvider to allow the client options to be configured after the service provider is created) Types: - AraHaan.Remora.Extensions.Hosting.Host (A special host class that makes the IBotServiceConfigurator system work) - Note: When using this type ensure that "using Microsoft.Extensions.Hosting" is not used otherwise it will conflict. I have told Microsoft about my need to extend this but they said that they do not think it's needed. - AraHaan.Remora.Extensions.Hosting.BotServiceConfiguratorBase (A base class for types to provide code that should run before configure of the services, code to configure the services, and code to run after shutdown of the generic host aka Microsoft.Extensions.Hosting) - AraHaan.Remora.Extensions.Options.SlashUpdateServiceOptions (An options type used to configure the SlashUpdateService) - AraHaan.Remora.Extensions.Services.SlashUpdateService (An BackgroundService used to update Discord slash commands)
VTP.RemoraHelpSystem

Provides a simple, modular help system for Remora.Discord.

GitHub repositories (1)

Showing the top 1 popular GitHub repositories that depend on Remora.Discord.Commands:

Repository Stars
angelobreuer/Lavalink4NET
Lavalink4NET is a Lavalink wrapper with node clustering, caching and custom players for .NET with support for Discord.Net, DSharpPlus, Remora, and NetCord.
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Fix missing service registration.
           Implement application command localization.