add router switch and pgx changes

pgx.go

@@ -20,7 +20,7 @@ var (
 	pgxMutex sync.RWMutex
 )
 
-func (a *App) NewPGXPool(name string) *pgxpool.Pool {
+func (a *App) newPGXPool(name string) *pgxpool.Pool {
 	pgxMutex.Lock()
 	defer pgxMutex.Unlock()
 
@@ -44,22 +44,32 @@ func (a *App) NewPGXPool(name string) *pgxpool.Pool {
 	return dbPool
 }
 
-func (a *App) GetPGXPool(name string) (*pgxpool.Pool, bool) {
+func (a *App) GetPGXPool(name string) *pgxpool.Pool {
 	pgxMutex.RLock()
 	defer pgxMutex.RUnlock()
+
 	pool, exists := pgxPools[name]
-	return pool, exists
+	if !exists {
+		slog.Error("database connection not found", "name", name)
+		return nil
+	}
+
+	return pool
 }
 
-func (a *App) ClosePGXPools() {
+func (a *App) ClosePGXPool(name string) {
 	pgxMutex.Lock()
 	defer pgxMutex.Unlock()
 
-	for name, pool := range pgxPools {
-		pool.Close()
-		delete(pgxPools, name)
-		slog.Info("closed database connection", "name", name)
+	pool, exists := pgxPools[name]
+	if !exists {
+		slog.Error("database connection not found", "name", name)
+		return
 	}
+
+	pool.Close()
+	delete(pgxPools, name)
+	slog.Info("closed database connection", "name", name)
 }
 
 func NumericToFloat64(n pgtype.Numeric) float64 {
@@ -90,7 +100,7 @@ func NumericToInt64(n pgtype.Numeric) int64 {
 
 func FloatToNumeric(number float64, precision int) (value pgtype.Numeric) {
 	parse := strconv.FormatFloat(number, 'f', precision, 64)
-	slog.Info("parse", "parse", parse)
+	slog.Debug("parse", "parse", parse)
 
 	if err := value.Scan(parse); err != nil {
 		slog.Error("error scanning numeric", "error", err)