Upload files to "system/autoload"

Signed-off-by: nestict <icttechnest@gmail.com>

system/autoload/Balance.php

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+<?php
+/**
+ *  PHP Mikrotik Billing (https://github.com/hotspotbilling/phpnuxbill/)
+ *  by https://t.me/ibnux
+ **/
+/**
+ *  This script is for managing user balance
+ **/
+
+class Balance
+{
+
+    public static function plus($id_customer, $amount)
+    {
+        $c = ORM::for_table('tbl_customers')->where('id', $id_customer)->find_one();
+        $c->balance = $amount + $c['balance'];
+        $c->save();
+    }
+
+    public static function transfer($id_customer, $phoneTarget, $amount)
+    {
+        global $config;
+        if (Balance::min($id_customer, $amount)) {
+            return Balance::plusByPhone($phoneTarget, $amount);
+        } else {
+            return false;
+        }
+    }
+
+    public static function min($id_customer, $amount)
+    {
+        $c = ORM::for_table('tbl_customers')->where('id', $id_customer)->find_one();
+        if ($c && $c['balance'] >= $amount) {
+            $c->balance = $c['balance'] - $amount;
+            $c->save();
+            return true;
+        } else {
+            return false;
+        }
+    }
+
+    public static function plusByPhone($phone_customer, $amount)
+    {
+        $c = ORM::for_table('tbl_customers')->where('username', $phone_customer)->find_one();
+        if ($c) {
+            $c->balance = $amount + $c['balance'];
+            $c->save();
+            return true;
+        }
+        return false;
+    }
+
+    public static function minByPhone($phone_customer, $amount)
+    {
+        $c = ORM::for_table('tbl_customers')->where('username', $phone_customer)->find_one();
+        if ($c && $c['balance'] >= $amount) {
+            $c->balance = $c['balance'] - $amount;
+            $c->save();
+            return true;
+        } else {
+            return false;
+        }
+    }
+}