refactor: fetch command

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

lib/Client/Protocol/Command/FetchManyCommand.php

@@ -6,7 +6,7 @@ namespace KTXM\ProviderImap\Client\Protocol\Command;
 
 use KTXM\ProviderImap\Client\Protocol\IdentifierMode;
 
-use KTXM\ProviderImap\Client\Protocol\Parser\FetchResponseParser;
+use KTXM\ProviderImap\Client\Protocol\FetchResultReader;
 use Generator;
 use KTXM\ProviderImap\Client\Protocol\Command\Argument\MessageTarget;
 use KTXM\ProviderImap\Client\Protocol\Command\Argument\FetchOptions;
@@ -65,6 +65,6 @@ final class FetchManyCommand implements CommandInterface
             throw new ImapException('FETCH requires a selected mailbox.');
         }
 
-        return (new FetchResponseParser())->parseMany($responses);
+        return (new FetchResultReader())->readMany($responses);
     }
 }

lib/Client/Protocol/Command/FetchOneCommand.php

@@ -6,7 +6,7 @@ namespace KTXM\ProviderImap\Client\Protocol\Command;
 
 use KTXM\ProviderImap\Client\Protocol\IdentifierMode;
 
-use KTXM\ProviderImap\Client\Protocol\Parser\FetchResponseParser;
+use KTXM\ProviderImap\Client\Protocol\FetchResultReader;
 use KTXM\ProviderImap\Client\Protocol\Command\Argument\MessageTarget;
 use KTXM\ProviderImap\Client\Protocol\Command\Argument\FetchOptions;
 use KTXM\ProviderImap\Client\ImapException;
@@ -60,6 +60,6 @@ final class FetchOneCommand implements CommandInterface
             throw new ImapException('FETCH requires a selected mailbox.');
         }
 
-        return (new FetchResponseParser())->parseOne($responses);
+        return (new FetchResultReader())->readOne($responses);
     }
 }

lib/Client/Protocol/FetchResultReader.php

@@ -2,23 +2,25 @@
 
 declare(strict_types=1);
 
-namespace KTXM\ProviderImap\Client\Protocol\Parser;
+namespace KTXM\ProviderImap\Client\Protocol;
 
 use Generator;
 use KTXM\ProviderImap\Client\ImapException;
 use KTXM\ProviderImap\Client\Message;
-use KTXM\ProviderImap\Client\Protocol\Parser\MessageParser;
+use KTXM\ProviderImap\Client\Protocol\Parser\FetchMessageParser;
 use KTXM\ProviderImap\Client\Protocol\Response\TaggedResponse;
 use KTXM\ProviderImap\Client\Protocol\Response\UntaggedResponse;
-use KTXM\ProviderImap\Client\Protocol\ResponseStream;
 
-final class FetchResponseParser
+/**
+ * Reads FETCH messages from a response stream and validates command completion.
+ */
+final class FetchResultReader
 {
-    public function parseOne(ResponseStream $responses): Message
+    public function readOne(ResponseStream $responses): Message
     {
         $message = null;
 
-        foreach ($this->parseMany($responses) as $summary) {
+        foreach ($this->readMany($responses) as $summary) {
             if ($message !== null) {
                 throw new ImapException('FETCH returned multiple messages for a single-message request.');
             }
@@ -34,13 +36,15 @@ final class FetchResponseParser
     }
 
     /**
+     * Consume the generator fully to reach and validate the tagged completion.
+     *
      * @return Generator<int, Message>
      */
-    public function parseMany(ResponseStream $responses): Generator
+    public function readMany(ResponseStream $responses): Generator
     {
         foreach ($responses as $response) {
-            if ($response instanceof UntaggedResponse && MessageParser::isFetchMessage($response->raw())) {
-                yield MessageParser::parse($response->raw());
+            if ($response instanceof UntaggedResponse && FetchMessageParser::isFetchMessage($response->raw())) {
+                yield FetchMessageParser::parse($response->raw());
                 continue;
             }
 

lib/Client/Protocol/Parser/FetchMessageParser.php

@@ -10,7 +10,10 @@ use KTXM\ProviderImap\Client\MessageAddress;
 use KTXM\ProviderImap\Client\MessagePart;
 use DateTimeInterface;
 
-final class MessageParser
+/**
+ * Decodes an individual untagged FETCH response into a message.
+ */
+final class FetchMessageParser
 {
     public static function isFetchMessage(string $raw): bool
     {