diff --git a/system/autoload/User.php b/system/autoload/User.php
new file mode 100644
index 0000000..c8b0919
--- /dev/null
+++ b/system/autoload/User.php
@@ -0,0 +1,202 @@
+<?php
+
+/**
+ *  PHP Mikrotik Billing (https://github.com/hotspotbilling/phpnuxbill/)
+ *  by https://t.me/ibnux
+ **/
+
+
+class User
+{
+    public static function getID()
+    {
+        global $db_password;
+        if (isset($_SESSION['uid']) && !empty($_SESSION['uid'])) {
+            return $_SESSION['uid'];
+        } else if (isset($_COOKIE['uid'])) {
+            // id.time.sha1
+            $tmp = explode('.', $_COOKIE['uid']);
+            if (sha1($tmp[0] . '.' . $tmp[1] . '.' . $db_password) == $tmp[2]) {
+                if (time() - $tmp[1] < 86400 * 30) {
+                    $_SESSION['uid'] = $tmp[0];
+                    return $tmp[0];
+                }
+            }
+        }
+        return 0;
+    }
+
+    public static function getBills($id = 0)
+    {
+        if (!$id) {
+            $id = User::getID();
+            if (!$id) {
+                return [];
+            }
+        }
+        $addcost = 0;
+        $bills = [];
+        $attrs = User::getAttributes('Bill', $id);
+        foreach ($attrs as $k => $v) {
+            // if has : then its an installment
+            if (strpos($v, ":") === false) {
+                // Not installment
+                $bills[$k] = $v;
+                $addcost += $v;
+            } else {
+                // installment
+                list($cost, $rem) = explode(":", $v);
+                // :0 installment is done
+                if (!empty($rem)) {
+                    $bills[$k] = $cost;
+                    $addcost += $cost;
+                }
+            }
+        }
+        return [$bills, $addcost];
+    }
+
+    public static function billsPaid($bills, $id = 0)
+    {
+        if (!$id) {
+            $id = User::getID();
+            if (!$id) {
+                return [];
+            }
+        }
+        foreach ($bills as $k => $v) {
+            // if has : then its an installment
+            $v = User::getAttribute($k, $id);
+            if (strpos($v, ":") === false) {
+                // Not installment, no need decrement
+            } else {
+                // installment
+                list($cost, $rem) = explode(":", $v);
+                // :0 installment is done
+                if ($rem != 0) {
+                    User::setAttribute($k, "$cost:" . ($rem - 1), $id);
+                }
+            }
+        }
+    }
+
+    public static function setAttribute($name, $value, $id = 0)
+    {
+        if (!$id) {
+            $id = User::getID();
+            if (!$id) {
+                return '';
+            }
+        }
+        $f = ORM::for_table('tbl_customers_fields')->where('field_name', $name)->where('customer_id', $id)->find_one();
+        if (!$f) {
+            $f = ORM::for_table('tbl_customers_fields')->create();
+            $f->customer_id = $id;
+            $f->field_name = $name;
+            $f->field_value = $value;
+            $f->save();
+            $result = $f->id();
+            if ($result) {
+                return $result;
+            }
+        } else {
+            $f->field_value = $value;
+            $f->save();
+            return $f['id'];
+        }
+        return 0;
+    }
+
+    public static function getAttribute($name, $id = 0)
+    {
+        if (!$id) {
+            $id = User::getID();
+            if (!$id) {
+                return [];
+            }
+        }
+        $f = ORM::for_table('tbl_customers_fields')->where('field_name', $name)->where('customer_id', $id)->find_one();
+        if ($f) {
+            return $f['field_value'];
+        }
+        return '';
+    }
+
+    public static function getAttributes($endWith, $id = 0)
+    {
+        if (!$id) {
+            $id = User::getID();
+            if (!$id) {
+                return [];
+            }
+        }
+        $attrs = [];
+        $f = ORM::for_table('tbl_customers_fields')->where_like('field_name', "%$endWith")->where('customer_id', $id)->find_many();
+        if ($f) {
+            foreach ($f as $k) {
+                $attrs[$k['field_name']] = $k['field_value'];
+            }
+            return $attrs;
+        }
+        return [];
+    }
+
+    public static function setCookie($uid)
+    {
+        global $db_password;
+        if (isset($uid)) {
+            $time = time();
+            setcookie('uid', $uid . '.' . $time . '.' . sha1($uid . '.' . $time . '.' . $db_password), time() + 86400 * 30);
+        }
+    }
+
+    public static function removeCookie()
+    {
+        if (isset($_COOKIE['uid'])) {
+            setcookie('uid', '', time() - 86400);
+        }
+    }
+
+    public static function _info($id = 0)
+    {
+        global $config;
+        if ($config['maintenance_mode'] == true) {
+            if ($config['maintenance_mode_logout'] == true) {
+                r2(U . 'logout', 'd', '');
+            } else {
+                displayMaintenanceMessage();
+            }
+        }
+        if (!$id) {
+            $id = User::getID();
+        }
+        $d = ORM::for_table('tbl_customers')->find_one($id);
+        if ($d['status'] == 'Banned') {
+            _alert(Lang::T('This account status') . ' : ' . Lang::T($d['status']), 'danger', "logout");
+        }
+        if (empty($d['username'])) {
+            r2(U . 'logout', 'd', '');
+        }
+        return $d;
+    }
+
+    public static function _billing($id = 0)
+    {
+        if (!$id) {
+            $id = User::getID();
+        }
+        $d = ORM::for_table('tbl_user_recharges')
+            ->select('tbl_user_recharges.id', 'id')
+            ->selects([
+                'customer_id', 'username', 'plan_id', 'namebp', 'recharged_on', 'recharged_time', 'expiration', 'time',
+                'status', 'method', 'plan_type',
+                ['tbl_user_recharges.routers', 'routers'],
+                ['tbl_user_recharges.type', 'type'],
+                'admin_id', 'prepaid'
+            ])
+            ->where('customer_id', $id)
+            ->left_outer_join('tbl_plans', array('tbl_plans.id', '=', 'tbl_user_recharges.plan_id'))
+            ->find_many();
+        return $d;
+    }
+}
diff --git a/system/autoload/Validator.php b/system/autoload/Validator.php
new file mode 100644
index 0000000..c200a2b
--- /dev/null
+++ b/system/autoload/Validator.php
@@ -0,0 +1,323 @@
+<?php
+
+/**
+ *  PHP Mikrotik Billing (https://github.com/hotspotbilling/phpnuxbill/)
+ *  by https://t.me/ibnux
+ **/
+
+
+/**
+ * Validator class
+ */
+class Validator
+{
+
+    /**
+     * String text finder
+     *
+     * @access private
+     * @param string $string
+     * @param array $hits
+     * @return void
+     */
+    public static function textHit($string, $exclude = "")
+    {
+        if (empty($exclude)) return false;
+        if (is_array($exclude)) {
+            foreach ($exclude as $text) {
+                if (strstr($string, $text)) return true;
+            }
+        } else {
+            if (strstr($string, $exclude)) return true;
+        }
+        return false;
+    }
+
+    /**
+     * Number compare
+     *
+     * @access private
+     * @param int $integer
+     * @param int $max
+     * @param int $min
+     * @return bool
+     */
+    private static function numberBetween($integer, $max = null, $min = 0)
+    {
+        if (is_numeric($min) && $integer <= $min) return false;
+        if (is_numeric($max) && $integer >= $max) return false;
+        return true;
+    }
+
+    /**
+     * Email addres check
+     *
+     * @access public
+     * @param string $string
+     * @param array $exclude
+     * @return bool
+     */
+    public static function Email($string, $exclude = "")
+    {
+        if (self::textHit($string, $exclude)) return false;
+        return (bool)preg_match("/^([a-z0-9])(([-a-z0-9._])*([a-z0-9]))*\@([a-z0-9])(([a-z0-9-])*([a-z0-9]))+(\.([a-z0-9])([-a-z0-9_-])?([a-z0-9])+)+$/i", $string);
+    }
+
+    /**
+     * URL check
+     *
+     * @access public
+     * @param strin $string
+     * @return bool
+     */
+    public static function Url($string, $exclude = "")
+    {
+        if (self::textHit($string, $exclude)) return false;
+        return (bool)preg_match("/^(http|https|ftp):\/\/([A-Z0-9][A-Z0-9_-]*(?:\.[A-Z0-9][A-Z0-9_-]*)+):?(\d+)?\/?/i", $string);
+    }
+
+    /**
+     * IP
+     *
+     * @access public
+     * @param string $string
+     * @return void
+     */
+    public static function Ip($string)
+    {
+        return (bool)preg_match("/^(1?\d{1,2}|2([0-4]\d|5[0-5]))(\.(1?\d{1,2}|2([0-4]\d|5[0-5]))){3}$/", $string);
+    }
+
+    /**
+     * Check if it is an number
+     *
+     * @access public
+     * @param int $integer
+     * @param int $max
+     * @param int $min
+     * @return bool
+     */
+    public static function Number($integer, $max = null, $min = 0)
+    {
+        if (preg_match("/^\-?\+?[0-9e1-9]+$/", $integer)) {
+            if (!self::numberBetween($integer, $max, $min)) return false;
+            return true;
+        }
+        return false;
+    }
+
+    /**
+     * Check if it is an unsigned number
+     *
+     * @access public
+     * @param int $integer
+     * @return bool
+     */
+    public static function UnsignedNumber($integer)
+    {
+        return (bool)preg_match("/^\+?[0-9]+$/", $integer);
+    }
+
+    /**
+     * Float
+     *
+     * @access public
+     * @param string $string
+     * @return bool
+     */
+    public static function Float($string)
+    {
+        return (bool)($string == strval(floatval($string))) ? true : false;
+    }
+
+    /**
+     * Alpha check
+     *
+     * @access public
+     * @param string $string
+     * @return void
+     */
+    public static function Alpha($string)
+    {
+        return (bool)preg_match("/^[a-zA-Z]+$/", $string);
+    }
+
+    /**
+     * Alpha numeric check
+     *
+     * @access public
+     * @param string $string
+     * @return void
+     */
+    public static function AlphaNumeric($string)
+    {
+        return (bool)preg_match("/^[0-9a-zA-Z]+$/", $string);
+    }
+
+    /**
+     * Specific chars check
+     *
+     * @access public
+     * @param string $string
+     * @param array $allowed
+     * @return void
+     */
+    public static function Chars($string, $allowed = array("a-z"))
+    {
+        return (bool)preg_match("/^[" . implode("", $allowed) . "]+$/", $string);
+    }
+
+    /**
+     * Check length of an string
+     *
+     * @access public
+     * @param string $stirng
+     * @param int $max
+     * @param int $min
+     * @return bool
+     */
+    public static function Length($string, $max = null, $min = 0)
+    {
+        $length = strlen($string);
+        if (!self::numberBetween($length, $max, $min)) return false;
+        return true;
+    }
+
+    /**
+     * Hex color check
+     *
+     * @access public
+     * @param string $string
+     * @return void
+     */
+    public static function HexColor($string)
+    {
+        return (bool)preg_match("/^(#)?([0-9a-f]{1,2}){3}$/i", $string);
+    }
+
+    /**
+     * Data validation
+     *
+     * Does'nt matter how you provide the date
+     * dd/mm/yyyy
+     * dd-mm-yyyy
+     * yyyy/mm/dd
+     * yyyy-mm-dd
+     *
+     * @access public
+     * @param string $string
+     * @return bool
+     */
+    public static function Date($string)
+    {
+        $date = date('Y', strtotime($string));
+        return ($date == "1970" || $date == '') ? false : true;
+    }
+
+    /**
+     * Older than check
+     *
+     * @access public
+     * @param string $string
+     * @param int $age
+     * @return bool
+     */
+    public static function OlderThan($string, $age)
+    {
+        $date = date('Y', strtotime($string));
+        if ($date == "1970" || $date == '') return false;
+        return (date('Y') - $date) > $age ? true : false;
+    }
+
+    /**
+     * XML valid
+     *
+     * @access public
+     * @param string $string
+     * @return bool
+     */
+    public static function Xml($string)
+    {
+        $Xml = @simplexml_load_string($string);
+        return ($Xml === false) ? false : true;
+    }
+
+    /**
+     * Is filesize between
+     *
+     * @access public
+     * @param string $file
+     * @param int $max
+     * @param int $min
+     * @return bool
+     */
+    public static function FilesizeBetween($file, $max = null, $min = 0)
+    {
+        $filesize = filesize($file);
+        return self::numberBetween($filesize, $max, $min);
+    }
+
+    /**
+     * Is image width between
+     *
+     * @access public
+     * @param string $image
+     * @param int $max_width
+     * @param int $min_width
+     * @param int $max_height
+     * @param int $min_height
+     * @return void
+     */
+    public static function ImageSizeBetween($image, $max_width = "", $min_width = 0, $max_height = "", $min_height = 0)
+    {
+        $size = getimagesize($image);
+        if (!self::numberBetween($size[0], $max_width, $min_width)) return false;
+        if (!self::numberBetween($size[1], $max_height, $min_height)) return false;
+        return true;
+    }
+
+    /**
+     * Phone numbers
+     *
+     * @access public
+     * @param string $phone
+     * @return bool
+     */
+    public static function Phone($phone)
+    {
+        $formats = array(
+            '###-###-####',
+            '####-###-###',
+            '(###) ###-###',
+            '####-####-####',
+            '##-###-####-####',
+            '####-####',
+            '###-###-###',
+            '#####-###-###',
+            '##########',
+            '####-##-##-##'
+        );
+        $format = trim(preg_replace("/[0-9]/", "#", $phone));
+        return (bool)in_array($format, $formats);
+    }
+
+    public static function countRouterPlan($plans, $router){
+        $n = 0;
+        foreach ($plans as $plan){
+            if($plan['routers'] == $router){
+                $n++;
+            }
+        }
+        return $n;
+    }
+
+    public static function isRouterHasPlan($plans, $router){
+        foreach ($plans as $plan){
+            if($plan['routers'] == $router){
+                return true;
+            }
+        }
+        return false;
+    }
+
+}
diff --git a/system/autoload/Widget.php b/system/autoload/Widget.php
new file mode 100644
index 0000000..0a368c2
--- /dev/null
+++ b/system/autoload/Widget.php
@@ -0,0 +1,50 @@
+<?php
+
+/**
+ *  PHP Mikrotik Billing (https://github.com/hotspotbilling/phpnuxbill/)
+ *  by https://t.me/ibnux
+ **/
+
+
+/**
+ * Validator class
+ */
+class Widget
+{
+
+    public static function rows($rows, $result){
+        $result .= '<div class="row">';
+        foreach($rows as $row){
+
+        }
+        $result .= '</div>';
+    }
+
+    public static function columns($cols, $result){
+        $c = count($cols);
+        switch($c){
+            case 1:
+                $result .= '<div class="col-md-12">';
+                break;
+            case 2:
+                $result .= '<div class="col-md-6">';
+                break;
+            case 3:
+                $result .= '<div class="col-md-4">';
+                break;
+            case 4:
+                $result .= '<div class="col-md-4">';
+                break;
+            case 5:
+                $result .= '<div class="col-md-4">';
+                break;
+            default:
+                $result .= '<div class="col-md-1">';
+                break;
+        }
+
+        foreach($cols as $col){
+        }
+        $result .= '</div>';
+    }
+}
\ No newline at end of file