added dir creation

modules/islandora_text_extraction/src/Controller/MediaSourceController.php

@@ -3,9 +3,11 @@
 namespace Drupal\islandora_text_extraction\Controller;
 
 use Drupal\Core\Controller\ControllerBase;
+use Symfony\Component\DependencyInjection\ContainerInterface;
 use Drupal\media\Entity\Media;
 use Symfony\Component\HttpFoundation\Request;
 use Symfony\Component\HttpFoundation\Response;
+use Drupal\Core\File\FileSystem;
 
 /**
  * Class MediaSourceController.
@@ -30,6 +32,41 @@ class MediaSourceController extends ControllerBase {
    * @throws \Drupal\Core\Entity\EntityStorageException
    * @throws \Drupal\Core\TypedData\Exception\ReadOnlyException
    */
+
+  /**
+   * File system service.
+   *
+   * @var \Drupal\Core\File\FileSystem
+   */
+  protected $fileSystem;
+
+  /**
+   * MediaSourceController constructor.
+   *
+   * @param \Drupal\Core\File\FileSystem
+   *   Filesystem service.
+   */
+
+
+  public function __construct(FileSystem $fileSystem) {
+    $this->fileSystem = $fileSystem;
+  }
+
+  /**
+   * Controller's create method for dependency injection.
+   *
+   * @param \Symfony\Component\DependencyInjection\ContainerInterface $container
+   *   The App Container.
+   *
+   * @return \Drupal\islandora\Controller\MediaSourceController
+   *   Controller instance.
+   */
+  public static function create(ContainerInterface $container) {
+    return new static(
+      $container->get('file_system')
+    );
+  }
+
   public function attachToMedia(
     Media $media,
     string $destination_field,
@@ -39,6 +76,10 @@ class MediaSourceController extends ControllerBase {
     $contents = $request->getContent();
 
     if ($contents) {
+      $directory = $this->fileSystem->dirname($content_location);
+      if (!file_prepare_directory($directory, FILE_CREATE_DIRECTORY | FILE_MODIFY_PERMISSIONS)) {
+        throw new HttpException(500, "The destination directory does not exist, could not be created, or is not writable");
+      }
       $file = file_save_data($contents, $content_location, FILE_EXISTS_REPLACE);
       if ($media->hasField($destination_field)) {
         $media->{$destination_field}->setValue([
@@ -51,7 +92,7 @@ class MediaSourceController extends ControllerBase {
       if ($media->hasField($destination_text_field)) {
         $media->{$destination_text_field}->setValue(nl2br($contents));
       }
-      else{
+      else {
         $this->getLogger('islandora')->warning("Field $destination_text_field is not defined in Media Type {$media->bundle()}");
       }
       $media->save();