refactor: use custom imap client

Signed-off-by: Sebastian Krupinski <krupinski01@gmail.com>

lib/Client/Command/FetchResponseParser.php

@@ -0,0 +1,58 @@
+<?php
+
+declare(strict_types=1);
+
+namespace KTXM\ProviderImap\Client\Command;
+
+use Generator;
+use KTXM\ProviderImap\Client\ImapException;
+use KTXM\ProviderImap\Client\Message;
+use KTXM\ProviderImap\Client\MessageParser;
+use KTXM\ProviderImap\Client\Protocol\Response\TaggedResponse;
+use KTXM\ProviderImap\Client\Protocol\Response\UntaggedResponse;
+use KTXM\ProviderImap\Client\Protocol\ResponseStream;
+
+final class FetchResponseParser
+{
+    public function parseOne(ResponseStream $responses): Message
+    {
+        $message = null;
+
+        foreach ($this->parseMany($responses) as $summary) {
+            if ($message !== null) {
+                throw new ImapException('FETCH returned multiple messages for a single-message request.');
+            }
+
+            $message = $summary;
+        }
+
+        if ($message === null) {
+            throw new ImapException('FETCH did not return a message summary.');
+        }
+
+        return $message;
+    }
+
+    /**
+     * @return Generator<int, Message>
+     */
+    public function parseMany(ResponseStream $responses): Generator
+    {
+        foreach ($responses as $response) {
+            if ($response instanceof UntaggedResponse && MessageParser::isFetchMessage($response->payload())) {
+                yield MessageParser::parse($response->raw());
+                continue;
+            }
+
+            if ($response instanceof TaggedResponse) {
+                if (!$response->isOk()) {
+                    throw new ImapException('FETCH failed: ' . $response->text());
+                }
+
+                return;
+            }
+        }
+
+        throw new ImapException('FETCH did not receive a tagged completion response.');
+    }
+}