Files
games/game/persist.go
Ryan Hamamura 063b03ce25 refactor: extract shared player.ID type and GenerateID to player package
Both game and snake packages had identical PlayerID types and the snake
package imported game.GenerateID. Now both use player.ID and
player.GenerateID from the shared player package.
2026-03-02 19:09:01 -10:00

129 lines
3.0 KiB
Go

package game
import (
"context"
"github.com/ryanhamamura/c4/db/repository"
"github.com/ryanhamamura/c4/player"
"github.com/rs/zerolog/log"
)
func (gi *GameInstance) save() error {
err := saveGame(gi.queries, gi.game)
if err != nil {
log.Error().Err(err).Str("game_id", gi.game.ID).Msg("failed to save game")
}
return err
}
func (gi *GameInstance) savePlayer(player *Player, slot int) error {
err := saveGamePlayer(gi.queries, gi.game.ID, player, slot)
if err != nil {
log.Error().Err(err).Str("game_id", gi.game.ID).Int("slot", slot).Msg("failed to save game player")
}
return err
}
// saveGame persists the game state via upsert.
func saveGame(queries *repository.Queries, g *Game) error {
var winnerUserID *string
if g.Winner != nil && g.Winner.UserID != nil {
winnerUserID = g.Winner.UserID
}
var winningCells *string
if wc := g.WinningCellsToJSON(); wc != "" {
winningCells = &wc
}
return queries.UpsertGame(context.Background(), repository.UpsertGameParams{
ID: g.ID,
Board: g.BoardToJSON(),
CurrentTurn: int64(g.CurrentTurn),
Status: int64(g.Status),
WinnerUserID: winnerUserID,
WinningCells: winningCells,
RematchGameID: g.RematchGameID,
})
}
func saveGamePlayer(queries *repository.Queries, gameID string, player *Player, slot int) error {
var userID, guestPlayerID *string
if player.UserID != nil {
userID = player.UserID
} else {
id := string(player.ID)
guestPlayerID = &id
}
return queries.CreateGamePlayer(context.Background(), repository.CreateGamePlayerParams{
GameID: gameID,
UserID: userID,
GuestPlayerID: guestPlayerID,
Nickname: player.Nickname,
Color: int64(player.Color),
Slot: int64(slot),
})
}
func loadGame(queries *repository.Queries, id string) (*Game, error) {
row, err := queries.GetGame(context.Background(), id)
if err != nil {
return nil, err
}
return gameFromRow(row)
}
func loadGamePlayers(queries *repository.Queries, id string) ([]*Player, error) {
rows, err := queries.GetGamePlayers(context.Background(), id)
if err != nil {
return nil, err
}
return playersFromRows(rows), nil
}
// Domain ↔ DB mapping helpers.
func gameFromRow(row *repository.Game) (*Game, error) {
g := &Game{
ID: row.ID,
CurrentTurn: int(row.CurrentTurn),
Status: GameStatus(row.Status),
}
if err := g.BoardFromJSON(row.Board); err != nil {
return nil, err
}
if row.WinningCells != nil {
_ = g.WinningCellsFromJSON(*row.WinningCells)
}
if row.RematchGameID != nil {
g.RematchGameID = row.RematchGameID
}
return g, nil
}
func playersFromRows(rows []*repository.GamePlayer) []*Player {
players := make([]*Player, 0, len(rows))
for _, row := range rows {
p := &Player{
Nickname: row.Nickname,
Color: int(row.Color),
}
if row.UserID != nil {
p.UserID = row.UserID
p.ID = player.ID(*row.UserID)
} else if row.GuestPlayerID != nil {
p.ID = player.ID(*row.GuestPlayerID)
}
players = append(players, p)
}
return players
}