public async Task ProcessAsync(MessageContext context, HttpApiClient api)
{
var bi = await _newbieContext.Bindings.Where(b => b.UserId == context.UserId).FirstOrDefaultAsync().ConfigureAwait(false);
if (bi == null)
{
return;
}
var osuId = bi.OsuId;
var best = await _osuApiClient.GetUserBest(osuId).ConfigureAwait(false);
var sb = new StringBuilder();
foreach (var b in best.Take(4))
{
sb.Append("根据您的 BP b/").Append(b.BeatmapId).Append(" + ").Append(b.EnabledMods.Display()).AppendLine(" 推荐：");
var id = RecommendationBeatmapId.Create(b, Mode.Standard);
var rec = await _newbieContext.Recommendations
.Where(r => r.Left == id)
.OrderByDescending(r => r.RecommendationDegree)
.Take(4)
.ToListAsync().ConfigureAwait(false);
_ = rec.Aggregate(sb, (sb, r) => sb.Append("b/").Append(r.Recommendation.BeatmapId).Append(" + ").AppendLine(r.Recommendation.ValidMods.Display()));
}
await api.SendMessageAsync(context.Endpoint, sb.ToString()).ConfigureAwait(false);
}
