feat: initial version

Signed-off-by: Sebastian Krupinski <root@LAPTOP-7DVOR6NC>

lib/Client/Mime/Part/SinglePart.php

@@ -0,0 +1,62 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Gricob\IMAP\Mime\Part;
+
+final readonly class SinglePart extends Part
+{
+    private string $encoding;
+
+    public function __construct(
+        string $type,
+        string $subtype,
+        array $attributes,
+        private Body $body,
+        private string $charset,
+        string $encoding,
+        private ?Disposition $disposition,
+    ) {
+
+        $this->encoding = strtolower($encoding);
+        parent::__construct($type, $subtype, $attributes);
+    }
+
+    public function body(): string
+    {
+        return (string) $this->body;
+    }
+
+    public function decodedBody(): string
+    {
+        return match ($this->encoding) {
+            'quoted-printable' => quoted_printable_decode($this->body()),
+            'base64' => base64_decode($this->body()),
+            default => $this->body(),
+        };
+    }
+
+    public function charset(): string
+    {
+        return $this->charset;
+    }
+
+    public function encoding(): string
+    {
+        return $this->encoding;
+    }
+
+    public function disposition(): ?Disposition
+    {
+        return $this->disposition;
+    }
+
+    public function findPartByMimeType(string $mimeType): ?SinglePart
+    {
+        if ($this->mimeType() === strtolower($mimeType)) {
+            return $this;
+        }
+
+        return null;
+    }
+}