fix: db singleton

main.go

@@ -22,7 +22,7 @@ var filePathsMutex sync.Mutex
 
 func main() {
 	flags()
-	pkg.SetupLoggingStdout(f.LogLevel, f.Log)
+	pkg.SetupLoggingStdout(f.LogLevel, f.Log) // nolint: errcheck
 	flag.VisitAll(func(f *flag.Flag) {
 		slog.Info(f.Name, slog.String("value", f.Value.String()))
 	})

pkg/database.go

@@ -9,12 +9,21 @@ import (
 	_ "github.com/glebarez/go-sqlite" // nolint: revive
 )
 
+var (
+	db *sql.DB
+)
+
 func InitDB(dbName string) (*sql.DB, error) {
-	slog.Info("Initializing database", "dbName", dbName)
-	db, err := sql.Open("sqlite", dbName)
-	if err != nil {
-		slog.Error("Error opening database", "error", err.Error())
-		return nil, err
+	var err error
+	if db == nil {
+		slog.Info("Initializing database", "dbName", dbName)
+		db, err = sql.Open("sqlite", dbName)
+		if err != nil {
+			slog.Error("Error opening database", "error", err.Error())
+			return nil, err
+		}
+	} else {
+		slog.Info("Database already initialized")
 	}
 
 	_, err = db.Exec(`
@@ -38,8 +47,8 @@ func InitDB(dbName string) (*sql.DB, error) {
 		slog.Error("Error creating plot table", "error", err.Error())
 		return nil, err
 	}
-	db.SetMaxOpenConns(5)
-	db.SetMaxIdleConns(5)
+	db.SetMaxOpenConns(10)
+	db.SetMaxIdleConns(10)
 	db.SetConnMaxLifetime(time.Hour)
 
 	return db, nil

pkg/log.go

@@ -19,6 +19,7 @@ func SetupLoggingStdout(logLevel int, logFile string) error {
 	}
 	if logFile == "" {
 		slog.SetDefault(slog.New(slogcolor.NewHandler(os.Stderr, opts)))
+		return nil
 	}
 	slog.SetDefault(slog.New(slogcolor.NewHandler(&lumberjack.Logger{
 		Filename:   logFile,

pkg/watcher.go

@@ -197,5 +197,6 @@ func (w *Watcher) saveState() error {
 }
 
 func (w *Watcher) Close() error {
-	return w.db.Close()
+	// return w.db.Close()
+	return nil
 }