Initial commit, DMARC checking support added

src/Dmarc/Enums/DmarcReporting.php

@@ -0,0 +1,44 @@
+<?php
+
+declare(strict_types=1);
+
+namespace VEximweb\Plugin\DnsTools\Dmarc\Enums;
+
+enum DmarcReporting: string
+{
+    case ALL = 'all';
+    case ANY = 'any';
+    case DKIM = 'dkim';
+    case SPF = 'spf';
+
+    public function getShortCode(): string
+    {
+        return match($this) {
+            self::ALL => '0',
+            self::ANY => '1',
+            self::DKIM => 'd',
+            self::SPF => 's',
+        };
+    }
+
+    public function getDescription(): string
+    {
+        return match($this) {
+            self::ALL => 'Report all failures',
+            self::ANY => 'Report if either DKIM or SPF fails',
+            self::DKIM => 'Report only DKIM failures',
+            self::SPF => 'Report only SPF failures',
+        };
+    }
+
+    public static function fromShortCode(string $code): self
+    {
+        return match($code) {
+            '0' => self::ALL,
+            '1' => self::ANY,
+            'd' => self::DKIM,
+            's' => self::SPF,
+            default => throw new \InvalidArgumentException("Invalid reporting option code: {$code}"),
+        };
+    }
+}