Creation and editing of events

app/Repositories/CostUnitRepository.php

@@ -4,6 +4,7 @@ namespace App\Repositories;
 
 use App\Enumerations\CostUnitType;
 use App\Enumerations\InvoiceStatus;
+use App\Enumerations\InvoiceType;
 use App\Enumerations\UserRole;
 use App\Models\CostUnit;
 use App\Resources\CostUnitResource;
@@ -154,6 +155,25 @@ class CostUnitRepository {
         return $amount;
     }
 
+    public function sumupByInvoiceType(CostUnit $costUnit, InvoiceType $invoiceType) : Amount {
+        $amount = new Amount(0, 'Euro');
+
+        foreach ($costUnit->invoices()->get() as $invoice) {
+            if (
+                $invoice->status === InvoiceStatus::INVOICE_STATUS_DENIED ||
+                $invoice->donation ||
+                $invoice->type !== $invoice->slug
+            ) {
+                continue;
+            }
+
+            $amount->addAmount(Amount::fromString($invoice->amount));
+        }
+        return $amount;
+
+
+    }
+
     public function countInvoices(CostUnit $costUnit) : array {
         $returnData = [
             InvoiceStatus::INVOICE_STATUS_NEW => 0,