79 lines
3.1 KiB
C#

using System.Reflection;
using Discord;
using Discord.Interactions;
using Discord.WebSocket;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Hosting;
using Microsoft.Extensions.Logging;
using Microsoft.Extensions.Options;
namespace GodReplacementProduct;
public class InteractionHandler : IHostedService {
private readonly DiscordSocketClient _client;
private readonly InteractionService _handler;
private readonly IServiceProvider _services;
private readonly ILogger<InteractionHandler> _logger;
public InteractionHandler(DiscordSocketClient client, InteractionService handler, IServiceProvider services, ILogger<InteractionHandler> logger)
{
_client = client;
_handler = handler;
_services = services;
_logger = logger;
}
public async Task StartAsync(CancellationToken cancellationToken) {
_client.Ready += ReadyAsync;
await _handler.AddModulesAsync(Assembly.GetEntryAssembly(), _services);
_client.InteractionCreated += HandleInteraction;
}
private async Task ReadyAsync()
{
var options = _services.GetService<IOptions<DevelopmentOptions>>();
if (options is not null) {
_logger.LogInformation("Development mode, registering commands to guild {0}", options.Value.TestGuildId);
await _handler.RegisterCommandsToGuildAsync(options.Value.TestGuildId, true);
} else {
_logger.LogInformation("Registering commands globally");
await _handler.RegisterCommandsGloballyAsync(true);
}
}
private async Task HandleInteraction(SocketInteraction interaction)
{
try
{
// Create an execution context that matches the generic type parameter of your InteractionModuleBase<T> modules.
var context = new SocketInteractionContext(_client, interaction);
// Execute the incoming command.
var result = await _handler.ExecuteCommandAsync(context, _services);
if (!result.IsSuccess)
switch (result.Error)
{
case InteractionCommandError.UnmetPrecondition:
break;
default:
break;
}
}
catch
{
// If Slash Command execution fails it is most likely that the original interaction acknowledgement will persist. It is a good idea to delete the original
// response, or at least let the user know that something went wrong during the command execution.
if (interaction.Type is InteractionType.ApplicationCommand)
await interaction.GetOriginalResponseAsync().ContinueWith(async (msg) => await msg.Result.DeleteAsync());
}
}
public Task StopAsync(CancellationToken cancellationToken)
{
_client.Ready -= ReadyAsync;
_client.InteractionCreated -= HandleInteraction;
return Task.CompletedTask;
}
}