feat: initial version

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

lib/Client/Mime/Part/Body.php

@@ -0,0 +1,20 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Gricob\IMAP\Mime\Part;
+
+use Stringable;
+
+class Body implements Stringable
+{
+    public function __construct(
+        protected string $value
+    ) {
+    }
+
+    public function __toString(): string
+    {
+        return $this->value;
+    }
+}

lib/Client/Mime/Part/Disposition.php

@@ -0,0 +1,14 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Gricob\IMAP\Mime\Part;
+
+final readonly class Disposition
+{
+    public function __construct(
+        public string $type,
+        public ?string $filename,
+    ) {
+    }
+}

lib/Client/Mime/Part/LazyBody.php

@@ -0,0 +1,26 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Gricob\IMAP\Mime\Part;
+
+use Gricob\IMAP\Client;
+
+class LazyBody extends Body
+{
+    public function __construct(
+        private Client $client,
+        private int $id,
+        private string $section,
+    ) {
+    }
+
+    public function __toString(): string
+    {
+        if (!isset($this->value)) {
+            $this->value = $this->client->fetchSectionBody($this->id, $this->section);
+        }
+
+        return $this->value;
+    }
+}

lib/Client/Mime/Part/MultiPart.php

@@ -0,0 +1,31 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Gricob\IMAP\Mime\Part;
+
+final readonly class MultiPart extends Part
+{
+    /**
+     * @param array<string,string> $attributes
+     * @param list<Part> $parts
+     */
+    public function __construct(
+        string $subtype,
+        array $attributes,
+        public array $parts,
+    ) {
+        parent::__construct('multipart', $subtype, $attributes);
+    }
+
+    public function findPartByMimeType(string $mimeType): ?SinglePart
+    {
+        foreach ($this->parts as $part) {
+            if ($matchedPart = $part->findPartByMimeType(strtolower($mimeType))) {
+                return $matchedPart;
+            }
+        }
+
+        return null;
+    }
+}

lib/Client/Mime/Part/Part.php

@@ -0,0 +1,36 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Gricob\IMAP\Mime\Part;
+
+abstract readonly class Part
+{
+    public string $type;
+    public string $subtype;
+
+    /**
+     * @var array<string, string>
+     */
+    public array $attributes;
+
+    /**
+     * @param array<string,string> $attributes
+     */
+    public function __construct(
+        string $type,
+        string $subtype,
+        array $attributes,
+    ) {
+        $this->subtype = strtolower($subtype);
+        $this->type = strtolower($type);
+        $this->attributes = $attributes;
+    }
+
+    abstract public function findPartByMimeType(string $mimeType): ?SinglePart;
+
+    public function mimeType(): string
+    {
+        return $this->type.'/'.$this->subtype;
+    }
+}

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;
+    }
+}