🚀 مُصادَق: الإطلاق الأولي للنظام المتكامل

app/Services/SubscriptionService.php

@@ -0,0 +1,47 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Services;
+
+use App\Core\Database;
+use Exception;
+
+final class SubscriptionService
+{
+    public function checkLimit(string $tenantId, string $type): void
+    {
+        $db = Database::getInstance();
+        
+        $stmt = $db->prepare("SELECT * FROM subscriptions WHERE tenant_id = ? LIMIT 1");
+        $stmt->execute([$tenantId]);
+        $sub = $stmt->fetch();
+
+        if (!$sub) throw new Exception("لا يوجد اشتراك فعال");
+
+        if ($type === 'invoices') {
+            if ($sub['invoices_used_this_month'] >= $sub['max_invoices_per_month']) {
+                throw new Exception("لقد وصلت للحد الأقصى من الفواتير المسموح بها في خطتك الحالية");
+            }
+        }
+
+        if ($type === 'companies') {
+            $countStmt = $db->prepare("SELECT COUNT(*) as total FROM companies WHERE tenant_id = ? AND deleted_at IS NULL");
+            $countStmt->execute([$tenantId]);
+            $count = $countStmt->fetch()['total'];
+
+            if ($count >= $sub['max_companies']) {
+                throw new Exception("لقد وصلت للحد الأقصى من الشركات المسموح بها في خطتك الحالية");
+            }
+        }
+    }
+
+    public function incrementUsage(string $tenantId, string $type): void
+    {
+        if ($type === 'invoices') {
+            $db = Database::getInstance();
+            $stmt = $db->prepare("UPDATE subscriptions SET invoices_used_this_month = invoices_used_this_month + 1 WHERE tenant_id = ?");
+            $stmt->execute([$tenantId]);
+        }
+    }
+}