Conversie codeigniter 4

app/Libraries/Deletions/RemoveInvoice.php

@@ -0,0 +1,53 @@
+<?php
+/**
+ * Created by Pensare Software.
+ * User: Theo Weijmer
+ * Date: 10/06/2018
+ * Time: 17:06
+ */
+
+class RemoveInvoice {
+
+    private $invoiceID;
+    private $payments;
+    private $removeAllowed;
+
+    public function __construct( $invoiceID )
+    {
+        $this->setInvoiceID( $invoiceID );
+
+        $this->handle();
+    }
+
+    public function getRemoveAllowed()
+    {
+        return $this->removeAllowed;
+    }
+
+    private function setInvoiceID( $invoiceID )
+    {
+        $this->invoiceID = $invoiceID;
+    }
+
+    private function handle()
+    {
+        $this->setPayment();
+
+        $this->setRemoveAllowed();
+    }
+
+    private function setPayment()
+    {
+        $payments = Payment::whereInvoiceId( $this->invoiceID );
+
+        $this->payments = $payments->count() == 0 ? TRUE : FALSE;
+    }
+
+    private function setRemoveAllowed()
+    {
+        if ( $this->payments === FALSE ) return $this->removeAllowed = FALSE;
+
+        $this->removeAllowed = TRUE;
+    }
+
+}