From dfcb1bccf1257a41197d077a8381257e3a8a8f78 Mon Sep 17 00:00:00 2001
From: Tabuci Octavian <octavian@tabuci.org>
Date: Wed, 29 Mar 2023 11:34:46 +0300
Subject: [PATCH] db client error codes

---
 core/clients/db/dberr/codes.go | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)
 create mode 100644 core/clients/db/dberr/codes.go

diff --git a/core/clients/db/dberr/codes.go b/core/clients/db/dberr/codes.go
new file mode 100644
index 0000000..9cea769
--- /dev/null
+++ b/core/clients/db/dberr/codes.go
@@ -0,0 +1,22 @@
+package dberr
+
+import (
+	"errors"
+	"github.com/go-sql-driver/mysql"
+	"github.com/jackc/pgx/v5/pgconn"
+)
+
+func IsDuplicateKey(_err error) bool {
+	if pgError := _err.(*pgconn.PgError); errors.Is(_err, pgError) {
+		switch pgError.Code {
+		case "23505":
+			return true
+		}
+	} else if mysqlErr := _err.(*mysql.MySQLError); errors.Is(_err, mysqlErr) {
+		switch mysqlErr.Number {
+		case 1062:
+			return true
+		}
+	}
+	return false
+}