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Worker.cs
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Worker.cs
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using RealistikOsu.Cron.Entities;
using RealistikOsu.Cron.Helpers;
using RealistikOsu.Cron.Repositories;
using StackExchange.Redis;
namespace RealistikOsu.Cron;
public class Worker : BackgroundService
{
private readonly string _fokaKey;
private readonly string _banchoApiUrl;
private readonly int _donorBadgeId;
private readonly HttpClient _httpClient;
private readonly ILogger<Worker> _logger;
private readonly IUserRepository _userRepository;
private readonly ConnectionMultiplexer _redisConnectionMultiplexer;
private readonly IFirstPlaceRepository _firstPlaceRepository;
private readonly IScoreRepository _scoreRepository;
private readonly IUserBadgeRepository _userBadgeRepository;
private readonly IUserStatsRepository _userStatsRepository;
public Worker(ILogger<Worker> logger, IConfiguration configuration, IUserRepository userRepository,
ConnectionMultiplexer redisConnectionMultiplexer, IFirstPlaceRepository firstPlaceRepository,
IScoreRepository scoreRepository, IUserBadgeRepository userBadgeRepository,
IUserStatsRepository userStatsRepository)
{
_fokaKey = configuration.GetValue<string>("FokaKey") ?? string.Empty;
_banchoApiUrl = configuration.GetValue<string>("BanchoApiUrl")!;
_donorBadgeId = configuration.GetValue<int>("DonorBadgeId");
_httpClient = new HttpClient();
_logger = logger;
_userRepository = userRepository;
_redisConnectionMultiplexer = redisConnectionMultiplexer;
_firstPlaceRepository = firstPlaceRepository;
_scoreRepository = scoreRepository;
_userBadgeRepository = userBadgeRepository;
_userStatsRepository = userStatsRepository;
}
private static readonly string[] LeaderboardKeys = {
"ripple:leaderboard:std",
"ripple:leaderboard:taiko",
"ripple:leaderboard:ctb",
"ripple:leaderboard:mania",
"ripple:leaderboard_relax:std",
"ripple:leaderboard_relax:taiko",
"ripple:leaderboard_relax:ctb",
"ripple:leaderboard_ap:std"
};
private delegate float PerformanceFunction(UserStats vn, UserStats rx, UserStats ap);
private static readonly Dictionary<string, PerformanceFunction> PerformanceKeyLookup = new Dictionary<string, PerformanceFunction>()
{
{ "ripple:leaderboard:std", (vn, rx, ap) => vn.standardPerformancePoints },
{ "ripple:leaderboard:taiko", (vn, rx, ap) => vn.taikoPerformancePoints },
{ "ripple:leaderboard:ctb", (vn, rx, ap) => vn.catchPerformancePoints },
{ "ripple:leaderboard:mania", (vn, rx, ap) => vn.maniaPerformancePoints },
{ "ripple:leaderboard_relax:std", (vn, rx, ap) => rx.standardPerformancePoints },
{ "ripple:leaderboard_relax:taiko", (vn, rx, ap) => rx.taikoPerformancePoints },
{ "ripple:leaderboard_relax:ctb", (vn, rx, ap) => rx.catchPerformancePoints },
{ "ripple:leaderboard_ap:std", (vn, rx, ap) => ap.standardPerformancePoints },
};
private async Task SendFokabotMessage(Dictionary<string, string> parameters)
{
var requestUrl = $"{_banchoApiUrl}/api/v1/fokabotMessage";
var builder = new UriHelper(requestUrl);
foreach (var kvp in parameters)
{
builder.AddParameter(kvp.Key, kvp.Value);
}
await _httpClient.GetAsync(builder.Uri);
}
private async Task RemoveUserFromLeaderboard(int userId, string countryCode)
{
var redis = _redisConnectionMultiplexer.GetDatabase();
foreach (var leaderboardKey in LeaderboardKeys)
{
await redis.SortedSetRemoveAsync(leaderboardKey, userId);
var countryKey = $"{leaderboardKey}:{countryCode}";
if (countryCode != "XX")
await redis.SortedSetRemoveAsync(countryKey, userId);
}
}
private async Task<bool> UserInLeaderboard(int userId)
{
var redis = _redisConnectionMultiplexer.GetDatabase();
// It is possible to be in only one of the leaderboards.
foreach (var key in LeaderboardKeys)
{
var set = await redis.SortedSetRankAsync(key, userId);
if (set is not null) return true;
}
return false;
/*
return LeaderboardKeys.All(key =>
{
return await redis.SortedSetRankAsync(key, userId) is not null;
})
*/
}
private async Task NotifyBan(int userId)
{
var redis = _redisConnectionMultiplexer.GetDatabase();
await redis.PublishAsync("peppy:ban", userId);
}
private async Task RecalculateFirstPlace(string beatmapMd5, int relax, int mode)
{
var newBest = await _scoreRepository.FindBestAsync(beatmapMd5, relax, mode);
if (newBest is null)
return;
var firstPlace = new FirstPlace
{
ScoreId = newBest.Id,
UserId = newBest.UserId,
Score = newBest.PlayScore,
MaxCombo = newBest.MaxCombo,
FullCombo = newBest.FullCombo,
Mods = newBest.Mods,
Count300 = newBest.Count300,
Count100 = newBest.Count100,
Count50 = newBest.Count50,
CountKatu = newBest.CountKatu,
CountGeki = newBest.CountGeki,
CountMiss = newBest.CountMiss,
SubmittedAt = newBest.SubmittedAt,
Mode = newBest.Mode,
Completed = newBest.Completed,
Accuracy = newBest.Accuracy,
PerformancePoints = newBest.PerformancePoints,
PlayTime = newBest.PlayTime,
BeatmapMd5 = newBest.BeatmapMd5,
Relax = relax
};
await _firstPlaceRepository.CreateAsync(firstPlace);
}
private async Task RestrictExpiredFrozenUsers(IEnumerable<User> frozenUsers)
{
var usersToRestrict = frozenUsers.Where(user => user.FreezeExpiresAt < DateTimeOffset.Now.ToUnixTimeSeconds()).ToArray();
foreach (var user in usersToRestrict)
{
user.Privileges &= ~Privileges.Public;
user.BannedAt = (int)DateTimeOffset.Now.ToUnixTimeSeconds();
user.BanReason = "Expired freeze timer (Cron)";
await _userRepository.UpdateAsync(user);
var parameters = new Dictionary<string, string>
{
["k"] = _fokaKey,
["to"] = user.Username,
["msg"] =
"Your account has been restricted! Check with staff to see whats up." // matching panel message
};
await SendFokabotMessage(parameters);
await RemoveUserFromLeaderboard(user.Id, user.CountryCode);
await NotifyBan(user.Id);
var firstPlaces = await _firstPlaceRepository.GetAllByUserAsync(user.Id);
foreach (var firstPlace in firstPlaces)
{
await _firstPlaceRepository.DeleteAsync(firstPlace);
await RecalculateFirstPlace(firstPlace.BeatmapMd5, firstPlace.Relax, firstPlace.Mode);
}
_logger.LogDebug("Restricted {user} ({user_id}) as their freeze timer expired at {time}", user.Username, user.Id, user.FreezeExpiresAt);
}
_logger.LogInformation("Restricted {count} users for expired freeze timers", usersToRestrict.Length);
}
private async Task RemoveExpiredDonors(IEnumerable<User> donors)
{
var expiredDonors = donors.Where(user => user.DonorExpiresAt < DateTimeOffset.Now.ToUnixTimeSeconds()).ToArray();
foreach (var user in expiredDonors)
{
user.Privileges &= ~Privileges.Donor;
await _userRepository.UpdateAsync(user);
await _userBadgeRepository.DeleteAsync(user.Id, _donorBadgeId);
var userStats = await _userStatsRepository.GetVanillaUserAsync(user.Id);
userStats.CanCustomBadge = false;
userStats.ShowCustomBadge = false;
await _userStatsRepository.UpdateAsync(userStats);
_logger.LogDebug("Removed donor from {user} ({user_id}) as their donor expired at {time}", user.Username, user.Id, user.DonorExpiresAt);
}
_logger.LogInformation("Removed donor from {count} users as their donor expired", expiredDonors.Length);
}
private async Task RemoveInactiveUsersFromLeaderboard(IEnumerable<User> inactiveUsers)
{
foreach (var inactiveUser in inactiveUsers)
{
var inLeaderboard = await UserInLeaderboard(inactiveUser.Id);
if (!inLeaderboard)
continue;
await RemoveUserFromLeaderboard(inactiveUser.Id, inactiveUser.CountryCode);
_logger.LogDebug("Removed {user} ({user_id}) from leaderboards due to inactivity", inactiveUser.Username, inactiveUser.Id);
}
}
private async Task FillLeaderboards(IEnumerable<User> users)
{
// Probably should be in the repo but it is what it issss...
var redis = _redisConnectionMultiplexer.GetDatabase();
foreach (var user in users)
{
var vn_stats = await _userStatsRepository.GetVanillaUserAsync(user.Id);
var rx_stats = await _userStatsRepository.GetRelaxUserAsync(user.Id);
var ap_stats = await _userStatsRepository.GetAutopilotUserAsync(user.Id);
foreach (var key in LeaderboardKeys)
{
string? countryKey = null;
if (user.CountryCode != "XX")
countryKey = $"{key}:{user.CountryCode}";
var value = PerformanceKeyLookup[key](vn_stats, rx_stats, ap_stats);
// If we have a zero value, remove them from the lb.
if (value == 0)
{
await redis.SortedSetRemoveAsync(key, user.Id);
if (countryKey is not null) await redis.SortedSetRemoveAsync(countryKey, user.Id);
continue;
}
await redis.SortedSetAddAsync(key, user.Id, value);
if (countryKey is not null) await redis.SortedSetAddAsync(countryKey, user.Id, value);
}
}
}
// Mainly to cleanup country lbs which arent always properly cleaned up.
private async Task RemoveRestrictedLeaderboards(IEnumerable<User> users)
{
var redis = _redisConnectionMultiplexer.GetDatabase();
var deletedUsers = 0;
foreach (var user in users)
{
foreach (var key in LeaderboardKeys)
{
string? countryKey = null;
if (user.CountryCode != "XX")
countryKey = $"{key}:{user.CountryCode}";
if (await redis.SortedSetRemoveAsync(key, user.Id)) deletedUsers++;
if (countryKey is not null) await redis.SortedSetRemoveAsync(countryKey, user.Id);
}
}
_logger.LogInformation("Removed {count} restricted users from the leaderboards.", deletedUsers);
}
protected override async Task ExecuteAsync(CancellationToken stoppingToken)
{
while (!stoppingToken.IsCancellationRequested)
{
_logger.LogInformation("Worker running at: {time}", DateTimeOffset.Now);
var users = await _userRepository.GetAllAsync();
var donors = users.Where(user => user.Privileges.HasFlag(Privileges.Donor));
var frozenUsers = users.Where(user => user.Frozen && user.Privileges.HasFlag(Privileges.Public));
var inactiveUsers = users.Where(user =>
user.LatestActivity < (DateTimeOffset.Now - TimeSpan.FromDays(60)).ToUnixTimeSeconds() && !user.Privileges.HasFlag(Privileges.PendingVerification));
var unrestrictedUsers = users.Where(user => user.Privileges.HasFlag(Privileges.Public));
var restrictedUsers = users.Where(user => !user.Privileges.HasFlag(Privileges.Public));
await Task.WhenAll(
RemoveExpiredDonors(donors),
RestrictExpiredFrozenUsers(frozenUsers),
FillLeaderboards(unrestrictedUsers),
RemoveRestrictedLeaderboards(restrictedUsers)
);
await Task.Delay(TimeSpan.FromMinutes(30), stoppingToken);
}
}
}