new invoice template variables for budgets (#3005)

src/Invoice/InvoiceModelFactory.php

@@ -0,0 +1,33 @@
+<?php
+
+/*
+ * This file is part of the Kimai time-tracking app.
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace App\Invoice;
+
+use App\Activity\ActivityStatisticService;
+use App\Customer\CustomerStatisticService;
+use App\Project\ProjectStatisticService;
+
+final class InvoiceModelFactory
+{
+    private $customerStatisticService;
+    private $projectStatisticService;
+    private $activityStatisticService;
+
+    public function __construct(CustomerStatisticService $customerStatistic, ProjectStatisticService $projectStatistic, ActivityStatisticService $activityStatistic)
+    {
+        $this->customerStatisticService = $customerStatistic;
+        $this->projectStatisticService = $projectStatistic;
+        $this->activityStatisticService = $activityStatistic;
+    }
+
+    public function createModel(InvoiceFormatter $formatter): InvoiceModel
+    {
+        return new InvoiceModel($formatter, $this->customerStatisticService, $this->projectStatisticService, $this->activityStatisticService);
+    }
+}