remove nested encoding

baseline.xml

@@ -57,6 +57,11 @@
       <code><![CDATA[$method->getName()]]></code>
     </MixedMethodCall>
   </file>
+  <file src="src/Message/Serializer/DefaultHeadersSerializer.php">
+    <MixedArgumentTypeCoercion>
+      <code><![CDATA[$headerPayload]]></code>
+    </MixedArgumentTypeCoercion>
+  </file>
   <file src="src/Metadata/AggregateRoot/AggregateRootMetadataAwareMetadataFactory.php">
     <InvalidReturnStatement>
       <code><![CDATA[$aggregate::metadata()]]></code>

deptrac.yaml

@@ -100,6 +100,7 @@ deptrac:
     Attribute:
     Clock:
     Console:
+      - Aggregate
       - Message
       - MetadataAggregate
       - MetadataEvent

src/Console/OutputStyle.php

@@ -4,14 +4,17 @@
 
 namespace Patchlevel\EventSourcing\Console;
 
+use Patchlevel\EventSourcing\Aggregate\AggregateHeader;
 use Patchlevel\EventSourcing\Message\Message;
 use Patchlevel\EventSourcing\Message\Serializer\HeadersSerializer;
 use Patchlevel\EventSourcing\Serializer\Encoder\Encoder;
 use Patchlevel\EventSourcing\Serializer\EventSerializer;
+use Patchlevel\EventSourcing\Store\ArchivedHeader;
+use Patchlevel\EventSourcing\Store\StreamStartHeader;
 use Symfony\Component\Console\Style\SymfonyStyle;
 use Throwable;
 
-use function array_keys;
+use function array_filter;
 use function array_values;
 use function sprintf;
 
@@ -42,25 +45,43 @@
             return;
         }
 
-        try {
-            $headers = $headersSerializer->serialize($message->headers(), [Encoder::OPTION_PRETTY_PRINT => true]);
-        } catch (Throwable $error) {
-            $this->error(
-                sprintf(
-                    'Error while serializing headers: %s',
-                    $error->getMessage(),
-                ),
-            );
+        $customHeaders = array_filter(
+            $message->headers(),
+            static fn ($header) => !$header instanceof AggregateHeader
+                && !$header instanceof ArchivedHeader
+                && !$header instanceof StreamStartHeader,
+        );
 
-            if ($this->isVeryVerbose()) {
-                $this->throwable($error);
-            }
+        $aggregateHeader = $message->header(AggregateHeader::class);
+        $streamStart = $message->hasHeader(StreamStartHeader::class);
+        $achieved = $message->hasHeader(ArchivedHeader::class);
 
-            return;
+        $this->title($data->name);
+        $this->horizontalTable(
+            [
+                'aggregateName',
+                'aggregateId',
+                'playhead',
+                'recordedOn',
+                'streamStart',
+                'archived',
+            ],
+            [
+                [
+                    $aggregateHeader->aggregateName,
+                    $aggregateHeader->aggregateId,
+                    $aggregateHeader->playhead,
+                    $aggregateHeader->recordedOn->format('Y-m-d H:i:s'),
+                    $streamStart ? 'yes' : 'no',
+                    $achieved ? 'yes' : 'no',
+                ],
+            ],
+        );
+
+        if ($customHeaders !== []) {
+            $this->block($headersSerializer->serialize(array_values($customHeaders)));
         }
 
-        $this->title($data->name);
-        $this->horizontalTable(array_keys($headers), [array_values($headers)]);
         $this->block($data->payload);
     }
 

src/Message/Serializer/DefaultHeadersSerializer.php

@@ -11,6 +11,8 @@
 use Patchlevel\Hydrator\Hydrator;
 use Patchlevel\Hydrator\MetadataHydrator;
 
+use function is_array;
+
 final class DefaultHeadersSerializer implements HeadersSerializer
 {
     public function __construct(
@@ -23,29 +25,36 @@ public function __construct(
     /**
      * @param list<object>         $headers
      * @param array<string, mixed> $options
-     *
-     * @return array<string, string>
      */
-    public function serialize(array $headers, array $options = []): array
+    public function serialize(array $headers, array $options = []): string
     {
         $serializedHeaders = [];
         foreach ($headers as $header) {
-            $serializedHeaders[$this->messageHeaderRegistry->headerName($header::class)] = $this->encoder->encode($this->hydrator->extract($header), $options);
+            $serializedHeaders[$this->messageHeaderRegistry->headerName($header::class)] = $this->hydrator->extract($header);
         }
 
-        return $serializedHeaders;
+        return $this->encoder->encode($serializedHeaders, $options);
     }
 
     /**
-     * @param array<string, string> $serializedHeaders
+     * @param array<string, mixed> $options
      *
      * @return list<object>
      */
-    public function deserialize(array $serializedHeaders): array
+    public function deserialize(string $string, array $options = []): array
     {
+        $serializedHeaders = $this->encoder->decode($string, $options);
+
         $headers = [];
         foreach ($serializedHeaders as $headerName => $headerPayload) {
-            $headers[] = $this->hydrator->hydrate($this->messageHeaderRegistry->headerClass($headerName), $this->encoder->decode($headerPayload));
+            if (!is_array($headerPayload)) {
+                throw new InvalidArgument('header payload must be an array');
+            }
+
+            $headers[] = $this->hydrator->hydrate(
+                $this->messageHeaderRegistry->headerClass($headerName),
+                $headerPayload,
+            );
         }
 
         return $headers;

src/Message/Serializer/HeadersSerializer.php

@@ -9,15 +9,13 @@ interface HeadersSerializer
     /**
      * @param list<object>         $headers
      * @param array<string, mixed> $options
-     *
-     * @return array<string, string>
      */
-    public function serialize(array $headers, array $options = []): array;
+    public function serialize(array $headers, array $options = []): string;
 
     /**
-     * @param array<string, string> $serializedHeaders
+     * @param array<string, mixed> $options
      *
      * @return list<object>
      */
-    public function deserialize(array $serializedHeaders): array;
+    public function deserialize(string $string, array $options = []): array;
 }

src/Message/Serializer/InvalidArgument.php

@@ -0,0 +1,11 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Patchlevel\EventSourcing\Message\Serializer;
+
+use RuntimeException;
+
+final class InvalidArgument extends RuntimeException
+{
+}

src/Store/DoctrineDbalStore.php

@@ -141,7 +141,6 @@ public function save(Message ...$messages): void
         $this->connection->transactional(
             function (Connection $connection) use ($messages): void {
                 $booleanType = Type::getType(Types::BOOLEAN);
-                $jsonType = Type::getType(Types::JSON);
                 $dateTimeType = Type::getType(Types::DATETIMETZ_IMMUTABLE);
 
                 $columns = [
@@ -194,7 +193,6 @@ function (Connection $connection) use ($messages): void {
                     $types[$offset + 7] = $booleanType;
 
                     $parameters[] = $this->headersSerializer->serialize($this->getCustomHeaders($message));
-                    $types[$offset + 8] = $jsonType;
 
                     $position++;
 

src/Store/DoctrineDbalStoreStream.php

@@ -136,7 +136,7 @@ private function buildGenerator(
                 $message = $message->withHeader(new StreamStartHeader());
             }
 
-            $customHeaders = $headersSerializer->deserialize(DoctrineHelper::normalizeCustomHeaders($data['custom_headers'], $platform));
+            $customHeaders = $headersSerializer->deserialize($data['custom_headers']);
 
             yield $message->withHeaders($customHeaders);
         }

src/Store/DoctrineHelper.php

@@ -9,7 +9,6 @@
 use Doctrine\DBAL\Types\Type;
 use Doctrine\DBAL\Types\Types;
 
-use function is_array;
 use function is_int;
 
 final class DoctrineHelper
@@ -36,16 +35,4 @@ public static function normalizePlayhead(string|int $playhead, AbstractPlatform
 
         return $normalizedPlayhead;
     }
-
-    /** @return array<string, string> */
-    public static function normalizeCustomHeaders(string $customHeaders, AbstractPlatform $platform): array
-    {
-        $normalizedCustomHeaders = Type::getType(Types::JSON)->convertToPHPValue($customHeaders, $platform);
-
-        if (!is_array($normalizedCustomHeaders)) {
-            throw new InvalidType('custom_headers', 'array');
-        }
-
-        return $normalizedCustomHeaders;
-    }
 }

tests/Unit/Console/Command/ShowAggregateCommandTest.php

@@ -52,8 +52,8 @@ public function testSuccessful(): void
         );
 
         $headersSerializer = $this->prophesize(HeadersSerializer::class);
-        $headersSerializer->serialize($message->headers(), [Encoder::OPTION_PRETTY_PRINT => true])->willReturn(
-            ['aggregate' => '{"aggregateName":"profile","aggregateId":"1","playhead":1,"recordedOn":"2020-01-01T20:00:00+01:00"}'],
+        $headersSerializer->serialize($message->headers())->willReturn(
+            ['aggregate' => ['aggregateName' => 'profile', 'aggregateId' => '1', 'playhead' => 1, 'recordedOn' => '2020-01-01T20:00:00+01:00']],
         );
 
         $command = new ShowAggregateCommand(
@@ -236,9 +236,6 @@ public function testInteractiveSuccessful(): void
         );
 
         $headersSerializer = $this->prophesize(HeadersSerializer::class);
-        $headersSerializer->serialize($message->headers(), [Encoder::OPTION_PRETTY_PRINT => true])->willReturn(
-            ['aggregate' => '{"aggregateName":"profile","aggregateId":"1","playhead":1,"recordedOn":"2020-01-01T20:00:00+01:00"}'],
-        );
 
         $commandTest = new CommandTester(
             new ShowAggregateCommand(
@@ -258,6 +255,6 @@ public function testInteractiveSuccessful(): void
         self::assertStringContainsString('Enter the aggregate id', $display);
         self::assertStringContainsString('"visitorId": "1"', $display);
         self::assertStringContainsString('aggregate', $display);
-        self::assertStringContainsString('{"aggregateName":"profile","aggregateId":"1","playhead":1,"recordedOn":"2020-01-01T20:00:00+01:00"}', $display);
+        self::assertStringContainsString('profile', $display);
     }
 }