first commit

models/User.php

@@ -0,0 +1,70 @@
+<?php
+
+class User
+{
+    private $db;
+
+    public function __construct()
+    {
+        $this->db = Database::getInstance()->getConnection();
+    }
+
+    public function authenticate($username, $password)
+    {
+        $stmt = $this->db->prepare("SELECT * FROM users WHERE username = ?");
+        $stmt->execute([$username]);
+        $user = $stmt->fetch(PDO::FETCH_ASSOC);
+
+        if ($user && password_verify($password, $user['password'])) {
+            return $user;
+        }
+
+        return false;
+    }
+
+    public function generateVerificationCode($userId)
+    {
+        // Generowanie 6-cyfrowego kodu
+        $code = sprintf('%06d', random_int(0, 999999));
+        
+        // Ustawienie czasu wygaśnięcia (15 minut)
+        $expiresAt = date('Y-m-d H:i:s', strtotime('+15 minutes'));
+        
+        // Usuwanie starych nieużytych kodów dla tego użytkownika
+        $stmt = $this->db->prepare("DELETE FROM verification_codes WHERE user_id = ? AND used = 0");
+        $stmt->execute([$userId]);
+        
+        // Zapisywanie nowego kodu
+        $stmt = $this->db->prepare("INSERT INTO verification_codes (user_id, code, expires_at) VALUES (?, ?, ?)");
+        $stmt->execute([$userId, $code, $expiresAt]);
+        
+        return $code;
+    }
+
+    public function verifyCode($userId, $code)
+    {
+        $stmt = $this->db->prepare("
+            SELECT * FROM verification_codes 
+            WHERE user_id = ? AND code = ? AND used = 0 AND expires_at > datetime('now')
+            ORDER BY created_at DESC LIMIT 1
+        ");
+        $stmt->execute([$userId, $code]);
+        $verification = $stmt->fetch(PDO::FETCH_ASSOC);
+
+        if ($verification) {
+            // Oznaczenie kodu jako użyty
+            $stmt = $this->db->prepare("UPDATE verification_codes SET used = 1 WHERE id = ?");
+            $stmt->execute([$verification['id']]);
+            return true;
+        }
+
+        return false;
+    }
+
+    public function getUserById($userId)
+    {
+        $stmt = $this->db->prepare("SELECT * FROM users WHERE id = ?");
+        $stmt->execute([$userId]);
+        return $stmt->fetch(PDO::FETCH_ASSOC);
+    }
+}