Data structure: file downloads and subobjects

lib/Db/ObjectEntity.php

@@ -9,20 +9,26 @@
 class ObjectEntity extends Entity implements JsonSerializable
 {
 	protected ?string $uuid = null;
+	protected ?string $uri = null;
 	protected ?string $version = null;
 	protected ?string $register = null;
 	protected ?string $schema = null;
 	protected ?array $object = [];
+	protected ?array $files = []; // array of file ids that are related to this object
+	protected ?array $relations = []; // array of object ids that this object is related to
 	protected ?string $textRepresentation = null;
 	protected ?DateTime $updated = null;
 	protected ?DateTime $created = null;
 
 	public function __construct() {
-		$this->addType(fieldName:'uuid', type: 'string');
+		$this->addType(fieldName:'uuid', type: 'string');	
+		$this->addType(fieldName:'uri', type: 'string');
 		$this->addType(fieldName:'version', type: 'string');
 		$this->addType(fieldName:'register', type: 'string');
 		$this->addType(fieldName:'schema', type: 'string');
 		$this->addType(fieldName:'object', type: 'json');
+		$this->addType(fieldName:'files', type: 'json');
+		$this->addType(fieldName:'relations', type: 'json');
 		$this->addType(fieldName:'textRepresentation', type: 'text');
 		$this->addType(fieldName:'updated', type: 'datetime');
 		$this->addType(fieldName:'created', type: 'datetime');
@@ -72,10 +78,13 @@ public function getObjectArray(): array
 		return [
 			'id' => $this->id,
 			'uuid' => $this->uuid,
+			'uri' => $this->uri,
 			'version'     => $this->version,
 			'register' => $this->register,
 			'schema' => $this->schema,
 			'object' => $this->object,
+			'files' => $this->files,
+			'relations' => $this->relations,
 			'textRepresentation' => $this->textRepresentation,
 			'updated' => isset($this->updated) ? $this->updated->format('c') : null,
 			'created' => isset($this->created) ? $this->created->format('c') : null

lib/Migration/Version1Date20241128221000.php

@@ -0,0 +1,78 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * SPDX-FileCopyrightText: 2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+
+namespace OCA\OpenRegister\Migration;
+
+use Closure;
+use OCP\DB\ISchemaWrapper;
+use OCP\DB\Types;
+use OCP\Migration\IOutput;
+use OCP\Migration\SimpleMigrationStep;
+
+/**
+ * FIXME Auto-generated migration step: Please modify to your needs!
+ */
+class Version1Date20241128221000 extends SimpleMigrationStep {
+
+	/**
+	 * @param IOutput $output
+	 * @param Closure(): ISchemaWrapper $schemaClosure
+	 * @param array $options
+	 */
+	public function preSchemaChange(IOutput $output, Closure $schemaClosure, array $options): void {
+	}
+
+	/**
+	 * @param IOutput $output
+	 * @param Closure(): ISchemaWrapper $schemaClosure
+	 * @param array $options
+	 * @return null|ISchemaWrapper
+	 */
+	public function changeSchema(IOutput $output, Closure $schemaClosure, array $options): ?ISchemaWrapper {
+		/** @var ISchemaWrapper $schema */
+		$schema = $schemaClosure();
+
+		// Update the openregister_objects table
+		$table = $schema->getTable('openregister_objects');
+		if ($table->hasColumn('uri') === false) {
+			$table->addColumn(
+				name: 'uri',
+				typeName: Types::STRING,
+				options: [
+					'notnull' => true,
+					'length'  => 255
+				]
+			)->setDefault('');
+		}
+		if ($table->hasColumn('files') === false) {
+			$table->addColumn(
+				name: 'files',
+				typeName: Types::JSON,
+				options: ['notnull' => false]
+			)->setDefault('{}');
+		}
+		if ($table->hasColumn('relations') === false) {
+			$table->addColumn(
+				name: 'relations',
+				typeName: Types::JSON,
+				options: ['notnull' => false]
+			)->setDefault('{}');;
+		}
+
+		return $schema;
+	}
+
+	/**
+	 * @param IOutput $output
+	 * @param Closure(): ISchemaWrapper $schemaClosure
+	 * @param array $options
+	 */
+	public function postSchemaChange(IOutput $output, Closure $schemaClosure, array $options): void {
+	}
+}