Privatfile source for dataset

modules/tide_search/modules/tide_data_pipeline/src/Source/Resource/PrivateFile.php

@@ -0,0 +1,57 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Drupal\tide_data_pipeline\Source\Resource;
+
+use Drupal\Core\Field\BaseFieldDefinition;
+use Drupal\Core\StringTranslation\TranslatableMarkup;
+use Drupal\data_pipelines\Entity\DatasetInterface;
+use Drupal\data_pipelines\Source\Resource\SourceResourceBase;
+use Drupal\file\FileInterface;
+
+/**
+ * A class for the Privatefile.
+ */
+final class PrivateFile extends SourceResourceBase {
+
+  /**
+   * {@inheritDoc}
+   */
+  public function getResource(DatasetInterface $dataset, string $field_name) {
+    if (!empty($file = self::getFieldValue($dataset, $field_name, 'entity'))) {
+      assert($file instanceof FileInterface);
+
+      // Check if the file is stored in the private file system.
+      if ($file->getFileUri()) {
+        // Ensure the file is part of the private files folder.
+        $file_uri = $file->getFileUri();
+        if (strpos($file_uri, 'private://') === 0) {
+          return fopen($file_uri, 'r');
+        }
+      }
+    }
+    return NULL;
+  }
+
+  /**
+   * {@inheritDoc}
+   */
+  public function getResourceBaseFieldDefinition(array $source_plugin_definition): BaseFieldDefinition {
+    // Create the field definition for the file.
+    $field_definition = BaseFieldDefinition::create('file')
+      ->setLabel(new TranslatableMarkup('Private File'))
+      ->setDescription(new TranslatableMarkup('The file for the dataset.'))
+      ->setSetting('file_extensions', $source_plugin_definition['id'])
+      ->setRequired(TRUE)
+      ->setDisplayOptions('form', [
+        'type' => 'file_generic',
+      ]);
+
+    // Set the upload location to the private directory.
+    $field_definition->setSetting('file_directory', 'private://');
+
+    return $field_definition;
+  }
+
+}

modules/tide_search/modules/tide_data_pipeline/tide_data_pipeline.services.yml

@@ -0,0 +1,5 @@
+services:
+  tide_data_pipeline.source_resource.privatefile:
+    class: Drupal\tide_data_pipeline\Source\Resource\PrivateFile
+    tags:
+      - { name: data_pipelines_source_resource }