Merge pull request #948 from Islandora/947-filename-tokens

Issue #947 Add tokens for Original File filename, extension.

islandora.tokens.inc

@@ -19,6 +19,18 @@ function islandora_token_info() {
     'name' => t('Islandora Tokens'),
     'description' => t('Tokens for Islandora objects.'),
   ];
+  $node['media-original-file:filename'] = [
+    'name' => t('Media: Original File filename without extension.'),
+    'description' => t('File name without extension of original uploaded file associated with Islandora Object via Media.'),
+  ];
+  $node['media-original-file:basename'] = [
+    'name' => t('Media: Original File filename with extension.'),
+    'description' => t('File name with extension of original uploaded file associated with Islandora Object via Media.'),
+  ];
+  $node['media-original-file:extension'] = [
+    'name' => t('Media: Original File extension.'),
+    'description' => t('File extension of original uploaded file associated with Islandora Object via Media.'),
+  ];
   $node['media-thumbnail-image:url'] = [
     'name' => t('Media: Thumbnail Image URL.'),
     'description' => t('URL of Thumbnail Image associated with Islandora Object via Media.'),
@@ -70,6 +82,23 @@ function islandora_tokens($type, $tokens, array $data, array $options, Bubbleabl
     $islandoraUtils = \Drupal::service('islandora.utils');
     foreach ($tokens as $name => $original) {
       switch ($name) {
+        case 'media-original-file:basename':
+        case 'media-original-file:filename':
+        case 'media-original-file:extension':
+          $term = $islandoraUtils->getTermForUri('http://pcdm.org/use#OriginalFile');
+          $media = $islandoraUtils->getMediaWithTerm($data['node'], $term);
+          // Is there media?
+          if ($media) {
+            $file = \Drupal::service('islandora.media_source_service')->getSourceFile($media);
+            if (!empty($file)) {
+              $path_info = pathinfo($file->createFileUrl());
+              $key = explode(':', $name)[1];
+              if (array_key_exists($key, $path_info)) {
+                $replacements[$original] = $path_info[$key];
+              }
+            }
+          }
+          break;
         case 'media-thumbnail-image:url':
         case 'media_thumbnail_image:url':
           $term = $islandoraUtils->getTermForUri('http://pcdm.org/use#ThumbnailImage');