Feat: db reconnect

.gitignore

@@ -3,3 +3,4 @@ golias
 gralias
 store.json
 config.toml
+gralias.db

handlers/auth.go

@@ -75,6 +75,7 @@ func HandleFrontLogin(w http.ResponseWriter, r *http.Request) {
 		abortWithError(w, msg)
 		return
 	}
+	var makeplayer bool
 	roomID := r.PostFormValue("room_id")
 	// make sure username does not exists
 	cleanName := utils.RemoveSpacesFromStr(username)
@@ -90,7 +91,9 @@ func HandleFrontLogin(w http.ResponseWriter, r *http.Request) {
 	// userstate, err := loadState(cleanName)
 	userstate, err := repo.PlayerGetByName(r.Context(), cleanName)
 	if err != nil || userstate == nil {
+
 		userstate = models.InitPlayer(cleanName)
+		makeplayer = true
 	}
 	fi := &models.FullInfo{
 		State: userstate,
@@ -125,11 +128,13 @@ func HandleFrontLogin(w http.ResponseWriter, r *http.Request) {
 		}
 		// save state to cache
 		// if err := saveState(cleanName, userstate); err != nil {
-		if err := repo.PlayerUpdate(r.Context(), userstate); err != nil {
-			// if err := saveFullInfo(r.Context(), fi); err != nil {
-			log.Error("failed to save state", "error", err)
-			abortWithError(w, err.Error())
-			return
+		if makeplayer {
+			if err := repo.PlayerAdd(r.Context(), userstate); err != nil {
+				// if err := saveFullInfo(r.Context(), fi); err != nil {
+				log.Error("failed to save state", "error", err)
+				abortWithError(w, err.Error())
+				return
+			}
 		}
 	}
 	// if err := tmpl.ExecuteTemplate(w, "base", fi); err != nil {

repos/main.go

@@ -4,6 +4,8 @@ import (
 	"context"
 	"log/slog"
 	"os"
+	"sync"
+	"time"
 
 	"github.com/jmoiron/sqlx"
 	_ "github.com/mattn/go-sqlite3"
@@ -17,7 +19,9 @@ type AllRepos interface {
 }
 
 type RepoProvider struct {
-	DB *sqlx.DB
+	DB       *sqlx.DB
+	mu       sync.RWMutex
+	pathToDB string
 }
 
 func NewRepoProvider(pathToDB string) *RepoProvider {
@@ -27,14 +31,65 @@ func NewRepoProvider(pathToDB string) *RepoProvider {
 		os.Exit(1)
 	}
 	slog.Info("Successfully connected to database")
-	return &RepoProvider{
-		DB: db,
+	rp := &RepoProvider{
+		DB:       db,
+		pathToDB: pathToDB,
+	}
+
+	go rp.pingLoop()
+
+	return rp
+}
+
+func (rp *RepoProvider) pingLoop() {
+	ticker := time.NewTicker(1 * time.Minute)
+	defer ticker.Stop()
+
+	for range ticker.C {
+		if err := rp.pingDB(); err != nil {
+			slog.Error("Database ping failed, attempting to reconnect...", "error", err)
+			rp.reconnect()
+		}
 	}
 }
 
+func (rp *RepoProvider) pingDB() error {
+	rp.mu.RLock()
+	defer rp.mu.RUnlock()
+	if rp.DB == nil {
+		return os.ErrClosed
+	}
+	return rp.DB.Ping()
+}
+
+func (rp *RepoProvider) reconnect() {
+	rp.mu.Lock()
+	defer rp.mu.Unlock()
+
+	// Double-check if connection is still down
+	if rp.DB != nil {
+		if err := rp.DB.Ping(); err == nil {
+			slog.Info("Database connection already re-established.")
+			return
+		}
+		// if ping fails, we continue to reconnect
+		rp.DB.Close() // close old connection
+	}
+
+	slog.Info("Reconnecting to database...")
+	db, err := sqlx.Connect("sqlite3", rp.pathToDB)
+	if err != nil {
+		slog.Error("Failed to reconnect to database", "error", err)
+		rp.DB = nil // make sure DB is nil if connection failed
+		return
+	}
+
+	rp.DB = db
+	slog.Info("Successfully reconnected to database")
+}
+
 func getDB(ctx context.Context, db *sqlx.DB) sqlx.ExtContext {
-	if tx, ok := ctx.Value("tx").(*sqlx.Tx);
-	ok {
+	if tx, ok := ctx.Value("tx").(*sqlx.Tx); ok {
 		return tx
 	}
 	return db