Notification after invoice state

app/Mail/InvoiceMails/InvoiceMailsApprovedInvoiceMail.php

@@ -0,0 +1,79 @@
+<?php
+
+namespace App\Mail\InvoiceMails;
+
+use App\Enumerations\InvoiceStatus;
+use App\Enumerations\InvoiceType;
+use App\Models\CostUnit;
+use App\Models\Invoice;
+use App\Resources\CostUnitResource;
+use App\Resources\InvoiceResource;
+use App\ValueObjects\Amount;
+use Illuminate\Http\Request;
+use Illuminate\Mail\Mailable;
+use Illuminate\Mail\Mailables\Attachment;
+use Illuminate\Mail\Mailables\Content;
+use Illuminate\Mail\Mailables\Envelope;
+
+class InvoiceMailsApprovedInvoiceMail extends Mailable {
+    public function __construct(
+        private Invoice $invoice,
+        private CostUnit $costUnit,
+    )
+    {
+        //
+    }
+
+    /**
+     * Get the message envelope.
+     */
+    public function envelope(): Envelope
+    {
+        return new Envelope(
+            subject: 'Deine Abrechnung wurde zur Auszahlung freigegeben',
+        );
+    }
+
+    /**
+     * Get the message content definition.
+     */
+    public function content(): Content
+    {
+        $costUnit = new CostUnitResource($this->costUnit)->toArray(new Request());
+        $invoice = new InvoiceResource($this->invoice)->toArray(new Request());
+
+        $invoiceStatus = match($invoice['status']) {
+            InvoiceStatus::INVOICE_STATUS_APPROVED => 'Zur Auszahlung freigegeben',
+            InvoiceStatus::INVOICE_STATUS_DENIED => 'Nicht auszahlbar und zurückgewiesen',
+            InvoiceStatus::INVOICE_STATUS_NEW => 'Erneut zur Prüfung geöffnet',
+            default => 'Unbekannt',
+        };
+
+        $invoiceType = match($invoice['internalType']) {
+            InvoiceType::INVOICE_TYPE_TRAVELLING => sprintf( 'Reisekosten [%1$s]', $invoice['travelReason']),
+            default => $invoice['invoiceType'],
+        };
+
+        return new Content(
+            view: 'emails.invoices.changed_invoice_state',
+            with: [
+                'costUnitContactMail' => $this->costUnit->tenant()->first()->email_finance,
+                'invoiceStatus' => $invoiceStatus,
+                'costUnit' => $costUnit,
+                'invoice' => $invoice,
+                'invoiceType' => $invoiceType,
+            ],
+        );
+    }
+
+
+    /**
+     * Get the attachments for the message.
+     *
+     * @return array<int, Attachment>
+     */
+    public function attachments(): array
+    {
+        return [];
+    }
+}