From bc1b0ff7310fea264df9b6569ea240ff569fddb8 Mon Sep 17 00:00:00 2001
From: Piotr Biernat <keedosn@gmail.com>
Date: Tue, 21 Oct 2025 13:26:50 +0200
Subject: [PATCH] Added database package

---
 database/connect.go | 43 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 43 insertions(+)
 create mode 100644 database/connect.go

diff --git a/database/connect.go b/database/connect.go
new file mode 100644
index 0000000..408f9d1
--- /dev/null
+++ b/database/connect.go
@@ -0,0 +1,43 @@
+package database
+
+import (
+	"context"
+	"errors"
+
+	"github.com/jackc/pgx/v5/pgconn"
+	"github.com/jackc/pgx/v5/pgxpool"
+)
+
+func Connect(connStr string) (*pgxpool.Pool, error) {
+	pool, err := pgxpool.New(context.Background(), connStr)
+	if err != nil {
+		return nil, err
+	}
+
+	return pool, nil
+}
+
+func IsDuplicatedRow(err error) error {
+	var pgErr *pgconn.PgError
+
+	if errors.As(err, &pgErr) && pgErr.Code == "23505" {
+		return errors.New("duplicated row found")
+	}
+
+	return nil
+}
+
+// FIXME get an idea how this func should work
+// func NoRowsInQuerySet(err error) error {
+// 	var pgErr *pgconn.PgError
+
+// 	if errors.As(err, &pgErr) {
+// 		fmt.Println("pgerr:", pgErr.Code)
+// 		return errors.New("no rows selected")
+// 	}
+// 	// if err == pgconn. {
+// 	// 	fmt.Println("No rows were found.")
+// 	// }
+
+// 	return nil
+// }