refactor: add save()/savePlayer() methods on game instances

Wrap free persistence functions in instance methods for cleaner call
sites (gi.save() instead of saveGame(gi.queries, gi.game)). Methods
log errors via zerolog before returning them.

snake/loop.go

@@ -62,7 +62,7 @@ func (si *SnakeGameInstance) countdownPhase() {
 				si.game.Status = StatusInProgress
 
 				if si.queries != nil {
-					saveSnakeGame(si.queries, si.game) //nolint:errcheck
+					si.save() //nolint:errcheck
 				}
 				si.gameMu.Unlock()
 				si.notify()
@@ -123,7 +123,7 @@ func (si *SnakeGameInstance) gamePhase() {
 			if time.Since(lastInput) > inactivityLimit {
 				si.game.Status = StatusFinished
 				if si.queries != nil {
-					saveSnakeGame(si.queries, si.game) //nolint:errcheck
+					si.save() //nolint:errcheck
 				}
 				si.gameMu.Unlock()
 				si.notify()
@@ -193,7 +193,7 @@ func (si *SnakeGameInstance) gamePhase() {
 
 			// Throttle DB saves: persist on game over or every 2 seconds
 			if si.queries != nil && (gameOver || time.Since(lastSave) >= 2*time.Second) {
-				saveSnakeGame(si.queries, si.game) //nolint:errcheck
+				si.save() //nolint:errcheck
 				lastSave = time.Now()
 			}
 

snake/persist.go

@@ -4,8 +4,26 @@ import (
 	"context"
 
 	"github.com/ryanhamamura/c4/db/repository"
+
+	"github.com/rs/zerolog/log"
 )
 
+func (si *SnakeGameInstance) save() error {
+	err := saveSnakeGame(si.queries, si.game)
+	if err != nil {
+		log.Error().Err(err).Str("game_id", si.game.ID).Msg("failed to save snake game")
+	}
+	return err
+}
+
+func (si *SnakeGameInstance) savePlayer(player *Player) error {
+	err := saveSnakePlayer(si.queries, si.game.ID, player)
+	if err != nil {
+		log.Error().Err(err).Str("game_id", si.game.ID).Msg("failed to save snake player")
+	}
+	return err
+}
+
 // saveSnakeGame persists the snake game state via upsert.
 func saveSnakeGame(queries *repository.Queries, sg *SnakeGame) error {
 	boardJSON := "{}"

snake/store.go

@@ -62,7 +62,7 @@ func (ss *SnakeStore) Create(width, height int, mode GameMode, speed int) *Snake
 	ss.gamesMu.Unlock()
 
 	if ss.queries != nil {
-		saveSnakeGame(ss.queries, sg) //nolint:errcheck
+		si.save() //nolint:errcheck
 	}
 
 	return si
@@ -206,8 +206,8 @@ func (si *SnakeGameInstance) Join(player *Player) bool {
 	si.game.Players[slot] = player
 
 	if si.queries != nil {
-		saveSnakePlayer(si.queries, si.game.ID, player) //nolint:errcheck
-		saveSnakeGame(si.queries, si.game)              //nolint:errcheck
+		si.savePlayer(player) //nolint:errcheck
+		si.save()             //nolint:errcheck
 	}
 
 	si.notify()
@@ -293,7 +293,7 @@ func (si *SnakeGameInstance) CreateRematch() *SnakeGameInstance {
 	si.game.RematchGameID = &newID
 
 	if si.queries != nil {
-		saveSnakeGame(si.queries, si.game) //nolint:errcheck
+		si.save() //nolint:errcheck
 	}
 	si.gameMu.Unlock()