v0.7.0 cli client with readline added, directory structure updated
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138
internal/server/storage/game.go
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138
internal/server/storage/game.go
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@ -0,0 +1,138 @@
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// FILE: lixenwraith/chess/internal/server/storage/game.go
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package storage
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import (
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"database/sql"
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"fmt"
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"log"
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)
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// RecordNewGame asynchronously records a new game
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func (s *Store) RecordNewGame(record GameRecord) error {
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if !s.healthStatus.Load() {
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return nil // Silently drop if degraded
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}
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select {
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case s.writeChan <- func(tx *sql.Tx) error {
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query := `INSERT INTO games (
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game_id, initial_fen,
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white_player_id, white_type, white_level, white_search_time,
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black_player_id, black_type, black_level, black_search_time,
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start_time_utc
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) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)`
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_, err := tx.Exec(query,
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record.GameID, record.InitialFEN,
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record.WhitePlayerID, record.WhiteType, record.WhiteLevel, record.WhiteSearchTime,
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record.BlackPlayerID, record.BlackType, record.BlackLevel, record.BlackSearchTime,
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record.StartTimeUTC,
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)
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return err
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}:
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return nil
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default:
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// Channel full, drop write
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log.Printf("Storage write queue full, dropping game record")
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return nil
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}
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}
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// RecordMove asynchronously records a move
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func (s *Store) RecordMove(record MoveRecord) error {
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if !s.healthStatus.Load() {
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return nil // Silently drop if degraded
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}
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select {
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case s.writeChan <- func(tx *sql.Tx) error {
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query := `INSERT INTO moves (
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game_id, move_number, move_uci, fen_after_move, player_color, move_time_utc
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) VALUES (?, ?, ?, ?, ?, ?)`
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_, err := tx.Exec(query,
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record.GameID, record.MoveNumber, record.MoveUCI,
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record.FENAfterMove, record.PlayerColor, record.MoveTimeUTC,
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)
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return err
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}:
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return nil
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default:
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// Channel full, drop write
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log.Printf("Storage write queue full, dropping move record")
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return nil
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}
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}
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// DeleteUndoneMoves asynchronously deletes moves after undo
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func (s *Store) DeleteUndoneMoves(gameID string, afterMoveNumber int) error {
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if !s.healthStatus.Load() {
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return nil // Silently drop if degraded
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}
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select {
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case s.writeChan <- func(tx *sql.Tx) error {
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query := `DELETE FROM moves WHERE game_id = ? AND move_number > ?`
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_, err := tx.Exec(query, gameID, afterMoveNumber)
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return err
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}:
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return nil
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default:
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// Channel full, drop write
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log.Printf("Storage write queue full, dropping undo operation")
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return nil
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}
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}
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// QueryGames retrieves games with optional filtering
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func (s *Store) QueryGames(gameID, playerID string) ([]GameRecord, error) {
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query := `SELECT
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game_id, initial_fen,
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white_player_id, white_type, white_level, white_search_time,
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black_player_id, black_type, black_level, black_search_time,
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start_time_utc
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FROM games WHERE 1=1`
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var args []interface{}
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// Handle gameID filtering
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if gameID != "" && gameID != "*" {
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query += " AND game_id = ?"
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args = append(args, gameID)
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}
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// Handle playerID filtering
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if playerID != "" && playerID != "*" {
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query += " AND (white_player_id = ? OR black_player_id = ?)"
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args = append(args, playerID, playerID)
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}
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query += " ORDER BY start_time_utc DESC"
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rows, err := s.db.Query(query, args...)
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if err != nil {
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return nil, fmt.Errorf("query failed: %w", err)
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}
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defer rows.Close()
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var games []GameRecord
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for rows.Next() {
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var g GameRecord
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err := rows.Scan(
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&g.GameID, &g.InitialFEN,
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&g.WhitePlayerID, &g.WhiteType, &g.WhiteLevel, &g.WhiteSearchTime,
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&g.BlackPlayerID, &g.BlackType, &g.BlackLevel, &g.BlackSearchTime,
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&g.StartTimeUTC,
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)
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if err != nil {
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return nil, fmt.Errorf("scan failed: %w", err)
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}
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games = append(games, g)
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}
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if err := rows.Err(); err != nil {
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return nil, fmt.Errorf("rows iteration failed: %w", err)
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}
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return games, nil
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}
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