From 5f5ebd81a9ad936447ea985b03a337210ca63128 Mon Sep 17 00:00:00 2001
From: ditatompel <ditatompel@gmail.com>
Date: Mon, 10 Jun 2024 02:47:44 +0700
Subject: [PATCH] Reuse existing db connection (if any)

---
 internal/database/mysql.go | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/internal/database/mysql.go b/internal/database/mysql.go
index 298f0ff..03dccd4 100644
--- a/internal/database/mysql.go
+++ b/internal/database/mysql.go
@@ -16,6 +16,10 @@ var defaultDB = &DB{}
 
 // connect sets the db client of database using configuration
 func (db *DB) connect(cfg *config.DB) (err error) {
+	if defaultDB.DB != nil {
+		return nil // reuse existing connection if available
+	}
+
 	dbURI := fmt.Sprintf("%s:%s@(%s:%d)/%s",
 		cfg.User,
 		cfg.Password,