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327
StatsDb.cs
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327
StatsDb.cs
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namespace GeoSus.Server;
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using Microsoft.Data.Sqlite;
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using Microsoft.Extensions.Logging;
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// SQLite databáze pro statistiky hráčů
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public class StatsDb : IDisposable
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{
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private readonly SqliteConnection _connection;
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private readonly ILogger<StatsDb> _logger;
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private readonly object _lock = new();
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public StatsDb(string dbPath, ILogger<StatsDb> logger)
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{
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_logger = logger;
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var directory = Path.GetDirectoryName(dbPath);
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if (!string.IsNullOrEmpty(directory))
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Directory.CreateDirectory(directory);
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_connection = new SqliteConnection($"Data Source={dbPath}");
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_connection.Open();
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InitializeSchema();
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}
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private void InitializeSchema()
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{
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var sql = @"
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CREATE TABLE IF NOT EXISTS player_stats (
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client_uuid TEXT PRIMARY KEY,
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display_name TEXT,
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total_games INTEGER DEFAULT 0,
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games_as_crew INTEGER DEFAULT 0,
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games_as_impostor INTEGER DEFAULT 0,
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crew_wins INTEGER DEFAULT 0,
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impostor_wins INTEGER DEFAULT 0,
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total_kills INTEGER DEFAULT 0,
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total_deaths INTEGER DEFAULT 0,
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tasks_completed INTEGER DEFAULT 0,
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bodies_reported INTEGER DEFAULT 0,
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emergency_meetings_called INTEGER DEFAULT 0,
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times_voted_out INTEGER DEFAULT 0,
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successful_votes INTEGER DEFAULT 0,
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total_playtime_seconds INTEGER DEFAULT 0,
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cheat_incidents INTEGER DEFAULT 0,
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last_seen_utc TEXT,
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created_at_utc TEXT
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);
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CREATE INDEX IF NOT EXISTS idx_crew_wins ON player_stats(crew_wins DESC);
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CREATE INDEX IF NOT EXISTS idx_impostor_wins ON player_stats(impostor_wins DESC);
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CREATE INDEX IF NOT EXISTS idx_total_games ON player_stats(total_games DESC);
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";
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using var cmd = _connection.CreateCommand();
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cmd.CommandText = sql;
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cmd.ExecuteNonQuery();
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_logger.LogInformation("StatsDb inicializována");
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}
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#region CRUD operace
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public void EnsurePlayerExists(string clientUuid, string displayName)
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{
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lock (_lock)
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{
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var sql = @"
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INSERT INTO player_stats (client_uuid, display_name, created_at_utc, last_seen_utc)
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VALUES (@uuid, @name, @now, @now)
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ON CONFLICT(client_uuid) DO UPDATE SET
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display_name = @name,
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last_seen_utc = @now
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";
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using var cmd = _connection.CreateCommand();
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cmd.CommandText = sql;
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cmd.Parameters.AddWithValue("@uuid", clientUuid);
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cmd.Parameters.AddWithValue("@name", displayName);
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cmd.Parameters.AddWithValue("@now", DateTime.UtcNow.ToString("o"));
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cmd.ExecuteNonQuery();
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}
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}
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public PlayerStats? GetPlayerStats(string clientUuid)
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{
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lock (_lock)
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{
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var sql = "SELECT * FROM player_stats WHERE client_uuid = @uuid";
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using var cmd = _connection.CreateCommand();
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cmd.CommandText = sql;
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cmd.Parameters.AddWithValue("@uuid", clientUuid);
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using var reader = cmd.ExecuteReader();
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if (reader.Read())
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{
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return ReadPlayerStats(reader);
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}
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return null;
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}
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}
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public List<PlayerStats> GetLeaderboard(string sortBy, int limit = 100)
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{
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lock (_lock)
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{
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var validColumns = new[] {
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"crew_wins", "impostor_wins", "total_games",
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"total_kills", "tasks_completed"
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};
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if (!validColumns.Contains(sortBy))
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sortBy = "total_games";
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var sql = $"SELECT * FROM player_stats ORDER BY {sortBy} DESC LIMIT @limit";
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using var cmd = _connection.CreateCommand();
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cmd.CommandText = sql;
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cmd.Parameters.AddWithValue("@limit", limit);
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var results = new List<PlayerStats>();
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using var reader = cmd.ExecuteReader();
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while (reader.Read())
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{
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results.Add(ReadPlayerStats(reader));
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}
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return results;
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}
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}
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#endregion
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#region Inkrementální aktualizace
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public void IncrementKills(string clientUuid)
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{
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IncrementColumn(clientUuid, "total_kills");
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}
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public void IncrementDeaths(string clientUuid)
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{
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IncrementColumn(clientUuid, "total_deaths");
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}
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public void IncrementTasksCompleted(string clientUuid)
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{
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IncrementColumn(clientUuid, "tasks_completed");
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}
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public void IncrementBodiesReported(string clientUuid)
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{
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IncrementColumn(clientUuid, "bodies_reported");
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}
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public void IncrementEmergencyMeetings(string clientUuid)
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{
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IncrementColumn(clientUuid, "emergency_meetings_called");
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}
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public void IncrementTimesVotedOut(string clientUuid)
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{
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IncrementColumn(clientUuid, "times_voted_out");
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}
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public void IncrementSuccessfulVotes(string clientUuid)
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{
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IncrementColumn(clientUuid, "successful_votes");
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}
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public void IncrementCheatIncidents(string clientUuid)
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{
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IncrementColumn(clientUuid, "cheat_incidents");
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}
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private void IncrementColumn(string clientUuid, string column)
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{
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lock (_lock)
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{
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var sql = $@"
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UPDATE player_stats
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SET {column} = {column} + 1, last_seen_utc = @now
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WHERE client_uuid = @uuid
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";
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using var cmd = _connection.CreateCommand();
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cmd.CommandText = sql;
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cmd.Parameters.AddWithValue("@uuid", clientUuid);
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cmd.Parameters.AddWithValue("@now", DateTime.UtcNow.ToString("o"));
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cmd.ExecuteNonQuery();
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}
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}
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#endregion
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#region Game end aktualizace
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public void RecordGameEnd(GameEndStats stats)
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{
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lock (_lock)
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{
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using var transaction = _connection.BeginTransaction();
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try
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{
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foreach (var player in stats.Players)
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{
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var sql = @"
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UPDATE player_stats SET
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total_games = total_games + 1,
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games_as_crew = games_as_crew + @asCrew,
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games_as_impostor = games_as_impostor + @asImpostor,
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crew_wins = crew_wins + @crewWin,
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impostor_wins = impostor_wins + @impostorWin,
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total_playtime_seconds = total_playtime_seconds + @playtime,
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last_seen_utc = @now
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WHERE client_uuid = @uuid
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";
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using var cmd = _connection.CreateCommand();
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cmd.CommandText = sql;
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cmd.Parameters.AddWithValue("@uuid", player.ClientUuid);
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cmd.Parameters.AddWithValue("@asCrew", player.WasCrew ? 1 : 0);
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cmd.Parameters.AddWithValue("@asImpostor", player.WasImpostor ? 1 : 0);
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cmd.Parameters.AddWithValue("@crewWin", player.WasCrew && stats.CrewWon ? 1 : 0);
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cmd.Parameters.AddWithValue("@impostorWin", player.WasImpostor && !stats.CrewWon ? 1 : 0);
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cmd.Parameters.AddWithValue("@playtime", player.PlaytimeSeconds);
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cmd.Parameters.AddWithValue("@now", DateTime.UtcNow.ToString("o"));
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cmd.ExecuteNonQuery();
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}
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transaction.Commit();
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_logger.LogInformation("Game stats uloženy pro {Count} hráčů", stats.Players.Count);
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}
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catch
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{
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transaction.Rollback();
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throw;
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}
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}
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}
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#endregion
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private PlayerStats ReadPlayerStats(SqliteDataReader reader)
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{
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return new PlayerStats
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{
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ClientUuid = reader.GetString(reader.GetOrdinal("client_uuid")),
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DisplayName = reader.IsDBNull(reader.GetOrdinal("display_name"))
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? null : reader.GetString(reader.GetOrdinal("display_name")),
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TotalGames = reader.GetInt32(reader.GetOrdinal("total_games")),
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GamesAsCrew = reader.GetInt32(reader.GetOrdinal("games_as_crew")),
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GamesAsImpostor = reader.GetInt32(reader.GetOrdinal("games_as_impostor")),
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CrewWins = reader.GetInt32(reader.GetOrdinal("crew_wins")),
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ImpostorWins = reader.GetInt32(reader.GetOrdinal("impostor_wins")),
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TotalKills = reader.GetInt32(reader.GetOrdinal("total_kills")),
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TotalDeaths = reader.GetInt32(reader.GetOrdinal("total_deaths")),
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TasksCompleted = reader.GetInt32(reader.GetOrdinal("tasks_completed")),
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BodiesReported = reader.GetInt32(reader.GetOrdinal("bodies_reported")),
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EmergencyMeetingsCalled = reader.GetInt32(reader.GetOrdinal("emergency_meetings_called")),
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TimesVotedOut = reader.GetInt32(reader.GetOrdinal("times_voted_out")),
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SuccessfulVotes = reader.GetInt32(reader.GetOrdinal("successful_votes")),
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TotalPlaytimeSeconds = reader.GetInt32(reader.GetOrdinal("total_playtime_seconds")),
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CheatIncidents = reader.GetInt32(reader.GetOrdinal("cheat_incidents")),
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LastSeenUtc = reader.IsDBNull(reader.GetOrdinal("last_seen_utc"))
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? null : reader.GetString(reader.GetOrdinal("last_seen_utc")),
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CreatedAtUtc = reader.IsDBNull(reader.GetOrdinal("created_at_utc"))
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? null : reader.GetString(reader.GetOrdinal("created_at_utc"))
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};
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}
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public void Dispose()
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{
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_connection.Close();
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_connection.Dispose();
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}
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}
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#region DTO
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public class PlayerStats
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{
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public required string ClientUuid { get; set; }
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public string? DisplayName { get; set; }
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public int TotalGames { get; set; }
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public int GamesAsCrew { get; set; }
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public int GamesAsImpostor { get; set; }
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public int CrewWins { get; set; }
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public int ImpostorWins { get; set; }
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public int TotalKills { get; set; }
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public int TotalDeaths { get; set; }
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public int TasksCompleted { get; set; }
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public int BodiesReported { get; set; }
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public int EmergencyMeetingsCalled { get; set; }
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public int TimesVotedOut { get; set; }
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public int SuccessfulVotes { get; set; }
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public int TotalPlaytimeSeconds { get; set; }
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public int CheatIncidents { get; set; }
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public string? LastSeenUtc { get; set; }
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public string? CreatedAtUtc { get; set; }
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// Computed properties pro API
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public double CrewWinRate => GamesAsCrew > 0 ? (double)CrewWins / GamesAsCrew : 0;
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public double ImpostorWinRate => GamesAsImpostor > 0 ? (double)ImpostorWins / GamesAsImpostor : 0;
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public double KillDeathRatio => TotalDeaths > 0 ? (double)TotalKills / TotalDeaths : TotalKills;
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public double AverageTasksPerGame => TotalGames > 0 ? (double)TasksCompleted / TotalGames : 0;
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}
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public class GameEndStats
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{
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public bool CrewWon { get; set; }
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public List<PlayerGameStats> Players { get; set; } = new();
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}
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public class PlayerGameStats
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{
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public required string ClientUuid { get; set; }
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public bool WasCrew { get; set; }
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public bool WasImpostor { get; set; }
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public int PlaytimeSeconds { get; set; }
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}
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#endregion
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