EconomyHelper impl

globals/Dependencies/Economy/EconomyHelper.php

@@ -0,0 +1,64 @@
+<?php
+
+/*
+    Alphaland 2021
+*/
+
+namespace Alphaland\Economy {
+
+    use PDO;
+    use Alphaland\Users\User;
+
+    class EconomyHelper
+    {
+        public static function LogTransaction(int $amount, int $userid, string $description)
+        {
+            $log = $GLOBALS['pdo']->prepare("INSERT INTO transaction_logs (info, amount, userid, whenTransaction) VALUES (:info, :amount, :userid, UNIX_TIMESTAMP())");
+            $log->bindParam(":info", $description, PDO::PARAM_STR);
+            $log->bindParam(":amount", $amount, PDO::PARAM_INT);
+            $log->bindParam(":userid", $userid, PDO::PARAM_INT);
+            if ($log->execute()) {
+                return true;
+            }
+            return false;
+        }
+
+        public static function HasEnoughAlphabux(int $amount, int $userid)
+        {
+            if (User::GetUserInfo($userid)->currency >= $amount) {
+                return true;
+            }
+            return false;
+        }
+
+        public static function GiveAlphabux(int $amount, int $userid, $description="")
+        {
+            if (EconomyHelper::LogTransaction($amount, $userid, $description)) {
+                $check = $GLOBALS['pdo']->prepare("UPDATE users SET currency = (currency + :u) WHERE id = :i");
+                $check->bindParam(":i", $userid, PDO::PARAM_INT);
+                $check->bindParam(":u", $amount, PDO::PARAM_INT);
+                $check->execute();
+                if ($check->rowCount() > 0) {
+                    return true;
+                }
+            }
+            return false;
+        }
+
+        public static function RemoveAlphabux(int $amount, int $userid, string $description="")
+        {
+            if (EconomyHelper::HasEnoughAlphabux($amount, $userid)) {
+                if (EconomyHelper::LogTransaction($amount, $userid, $description)) {
+                    $check = $GLOBALS['pdo']->prepare("UPDATE users SET currency = (currency - :u) WHERE id = :i");
+                    $check->bindParam(":i", $userid, PDO::PARAM_INT);
+                    $check->bindParam(":u", $amount, PDO::PARAM_INT);
+                    $check->execute();
+                    if ($check->rowCount() > 0) {
+                        return true;
+                    }
+                }
+            }
+            return false;
+        }
+    }
+}

globals/config.php

@@ -122,6 +122,7 @@ try
 	include "C:/Webserver/nginx/Alphaland/globals/Dependencies/Moderation/Filter.php";
 	include "C:/Webserver/nginx/Alphaland/globals/Dependencies/Users/Badge.php";
 	include "C:/Webserver/nginx/Alphaland/globals/Dependencies/Administration/SignupKey.php";
+	include "C:/Webserver/nginx/Alphaland/globals/Dependencies/Economy/EconomyHelper.php";
 	include "C:/Webserver/nginx/Alphaland/globals/Dependencies/Groups/Group.php";
 
 	//authenticator