From 50beaf9a1fd7a9ec7f85baed9071ac4e27c90b4c Mon Sep 17 00:00:00 2001
From: Kazhnuz <kazhnuz@kobold.cafe>
Date: Thu, 17 Jul 2025 20:31:05 +0200
Subject: [PATCH] =?UTF-8?q?=F0=9F=90=9B=20Fix=20unique?=
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---
 kernel/database.php           | 7 +++++++
 kernel/helpers/validators.php | 8 +++++---
 2 files changed, 12 insertions(+), 3 deletions(-)

diff --git a/kernel/database.php b/kernel/database.php
index bd9121a..39a48b0 100644
--- a/kernel/database.php
+++ b/kernel/database.php
@@ -29,6 +29,13 @@ class Database {
         return $stmt;
     }
 
+    public function checkUnique($table, $field, $value) {
+        $query = "SELECT * from {{table}} where {{field}} = :fieldValue";
+        $query = str_replace("{{field}}", $field, $query);
+        $stmt = $this->doquery($table, $query, ['fieldValue' => $value]);
+        return $stmt->fetch(PDO::FETCH_ASSOC) != null;
+    }
+
     public function getNumQueries() {
         return $this->numqueries;
     }
diff --git a/kernel/helpers/validators.php b/kernel/helpers/validators.php
index 2040f60..90eedb7 100644
--- a/kernel/helpers/validators.php
+++ b/kernel/helpers/validators.php
@@ -57,14 +57,16 @@ class Validator {
     }
 
     public function unique($name, $array, $keys, $database) {
+        global $db;
+
         $value = Validator::getValue($array, $keys);
         $table = $database["table"];
         $dbField = $database["field"];
 
-        $query = doquery("SELECT ${dbField} FROM {{table}} WHERE ${dbField}='$value' LIMIT 1", $table);
-        if (mysqli_num_rows($query) > 0) {
-            return "{$name} already taken, it must be unique";
+        if ($db->checkUnique($table, $dbField, $value)) {
+            return "{$value} already taken, it must be unique";
         }
+
         return null;
     }
 }
\ No newline at end of file