OctobotStealth/src/Responders/GuildMemberRolesUpdatedResponder.cs

using Boyfriend.Data;
using Boyfriend.Services;
using JetBrains.Annotations;
using Remora.Discord.API.Abstractions.Gateway.Events;
using Remora.Discord.Gateway.Responders;
using Remora.Results;

namespace Boyfriend.Responders;

/// <summary>
///     Handles updating <see cref="MemberData.Roles" /> when a guild member is updated.
/// </summary>
[UsedImplicitly]
public class GuildMemberUpdateResponder : IResponder<IGuildMemberUpdate> {
    private readonly GuildDataService _dataService;

    public GuildMemberUpdateResponder(GuildDataService dataService) {
        _dataService = dataService;
    }

    public async Task<Result> RespondAsync(IGuildMemberUpdate gatewayEvent, CancellationToken ct = default) {
        var memberData = await _dataService.GetMemberData(gatewayEvent.GuildID, gatewayEvent.User.ID, ct);
        memberData.Roles = gatewayEvent.Roles.ToList().ConvertAll(r => r.Value);
        return Result.FromSuccess();
    }
}