InteractionHandler.cs

using System.Reflection;
using Discord.Interactions;
using Discord.WebSocket;
using Serilog;

namespace Portal;

public class InteractionHandler(
    DiscordSocketClient discordSocketClient,
    IServiceProvider serviceProvider,
    InteractionService interactionService)
{
    public async Task InitializeAsync()
    {
        await interactionService.AddModulesAsync(assembly: Assembly.GetEntryAssembly(), serviceProvider);
        discordSocketClient.InteractionCreated += DiscordSocketClientOnInteractionCreated;
    }

    private async Task DiscordSocketClientOnInteractionCreated(SocketInteraction arg)
    {
        try
        {
            SocketInteractionContext context = new(discordSocketClient, arg);
            await interactionService.ExecuteCommandAsync(context, serviceProvider);
        }
        catch (Exception ex)
        {
            Log.Error("Error executing interaction command. Reason: {error}", ex.Message);
        }
    }   
}