First draft

2026-04-30 16:08:01 +02:00
parent 7ce97c0c55
commit e09a9fc2a6
21 changed files with 7137 additions and 0 deletions
--- a/src/OAI/RecordOaiDc.php
+++ b/src/OAI/RecordOaiDc.php
@@ -0,0 +1,123 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\OAI;
+
+use App\OAI\RecordOaiInterface;
+use App\OAI\Exception\IdentifierNotFoundException;
+use Symfony\Component\Serializer\Encoder\XmlEncoder;
+use Symfony\Component\Serializer\Normalizer\ObjectNormalizer;
+use Symfony\Component\Serializer\Serializer;
+use Symfony\Component\Serializer\Mapping\Factory\ClassMetadataFactory;
+use Symfony\Component\Serializer\Mapping\Loader\AttributeLoader;
+use Symfony\Component\Serializer\NameConverter\MetadataAwareNameConverter;
+use Symfony\Component\Serializer\Attribute\SerializedName;
+
+/**
+ * Serializes a record (DB data) in the `oai_dc` metadata format
+ * @class RecordOaiDc
+ */
+final class RecordOaiDc implements RecordOaiInterface
+{
+    private int $id;
+    private string $identifier;
+    private string $verb;
+
+    #[SerializedName('dc:title')]
+    public string $title;
+    #[SerializedName('dc:rights')]
+    public array $rights;
+    #[SerializedName('dc:description')]
+    public ?string $description;
+    #[SerializedName('dc:date')]
+    public int $date;
+    #[SerializedName('dc:language')]
+    public string $language;
+    #[SerializedName('dc:type')]
+    public array $recordType;
+    #[SerializedName('dc:subject')]
+    public array $subject;
+    #[SerializedName('dc:creator')]
+    public $creator;
+    #[SerializedName('dc:identifier')]
+    public array $oaiIdentifier;
+    #[SerializedName('dc:format')]
+    public string $format;
+    #[SerializedName('dc:source')]
+    public array|string $source;
+
+    public function __construct(
+        string $identifier,
+        string $verb = 'GetRecord',
+        private Serializer $serializer = new Serializer(),
+    )
+    {
+        $this->verb = $verb;
+        $this->identifier = $identifier;
+        preg_match("/oai:www.yourdomain.com(:|\/)(?P<res>.*):(?P<id>\d+)$/", $identifier, $matches);
+
+        $classMetadataFactory = new ClassMetadataFactory(new AttributeLoader());
+        $metadataAwareNameConverter = new MetadataAwareNameConverter($classMetadataFactory);
+
+        $this->serializer = new Serializer(
+            [new ObjectNormalizer($classMetadataFactory, $metadataAwareNameConverter)],
+            [new XmlEncoder()]
+        );
+    }
+    /**
+     * Map DB record data to object attributes for serialization
+     */
+    private function mapData(array $record): void
+    {
+        // Implement
+    }
+    /**
+     * Return an XML representation of a DB record
+     * in a given format
+     */
+    public function toXML(): string
+    {
+        $record = []; // This represents a record from the database
+        if ($record === null) {
+            throw new IdentifierNotFoundException($this->identifier);
+        }
+        $this->mapData($record);
+        $normal = $this->serializer->normalize($this);
+
+        $data = [
+            '@xmlns:oai_dc' => "http://www.openarchives.org/OAI/2.0/oai_dc/",
+            '@xmlns:dc' => "http://purl.org/dc/elements/1.1/",
+            '#' => $normal
+        ];
+
+        $oai_dc = ['oai_dc:dc' => $data];
+        if (isset($record['relation'])) {
+            $oai_dc['oai_dc:dc']['dc:relation'] = $record['relation'];
+        }
+        $header = [
+            'identifier' => $this->identifier,
+            'datestamp' => $record['datestamp'],
+            'setSpec' => $record['setSpec'],
+        ];
+        // Adapt for ListRecords...
+        $record = $this->verb === 'GetRecord' ?
+            ['record' => ['header' => $header, 'metadata' => $oai_dc]] :
+            ['header' => $header, 'metadata' => $oai_dc];
+
+        $content = $this->serializer->encode(
+            $record,
+            'xml',
+            [
+                'xml_format_output' => true,
+                'xml_root_node_name' => $this->verb === 'GetRecord' ? $this->verb : 'record',
+                // Don't include the XML declaration, handled by OaiBase
+                'encoder_ignored_node_types' => [
+                    \XML_PI_NODE, 
+                ],
+            ]
+        );
+
+        return $content;
+    }
+}