allow to delete invoice documents (#2968)

src/Event/InvoiceDocumentsEvent.php

@@ -0,0 +1,65 @@
+<?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\Event;
+
+use App\Entity\InvoiceDocument;
+use Symfony\Contracts\EventDispatcher\Event;
+
+final class InvoiceDocumentsEvent extends Event
+{
+    /**
+     * @var InvoiceDocument[]
+     */
+    private $documents;
+    /**
+     * Maximum amount of allowed invoice documents.
+     * @var int
+     */
+    private $maximum = 99;
+
+    /**
+     * @param InvoiceDocument[] $documents
+     */
+    public function __construct(array $documents)
+    {
+        $this->documents = $documents;
+    }
+
+    /**
+     * @return InvoiceDocument[]
+     */
+    public function getInvoiceDocuments(): array
+    {
+        return $this->documents;
+    }
+
+    public function addInvoiceDocuments(InvoiceDocument $document): void
+    {
+        $this->documents[] = $document;
+    }
+
+    /**
+     * @param InvoiceDocument[] $documents
+     */
+    public function setInvoiceDocuments(array $documents): void
+    {
+        $this->documents = $documents;
+    }
+
+    public function setMaximumAllowedDocuments(int $max): void
+    {
+        $this->maximum = $max;
+    }
+
+    public function getMaximumAllowedDocuments(): int
+    {
+        return $this->maximum;
+    }
+}