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Islandora tokens 1171 pt2 #845

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merged 4 commits into from
Jul 27, 2021
Merged

Islandora tokens 1171 pt2 #845

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58efe6d
moved PDF URL token from controlled_access_terms for #1171
wgilling Jul 21, 2021
d9af78f
include reference to Media and File classes
wgilling Jul 21, 2021
53e8d0f
an empty line for travis
wgilling Jul 22, 2021
7bf5e0d
download url using the islandora_utils getDownloadUrl method
wgilling Jul 26, 2021
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59 changes: 59 additions & 0 deletions islandora.tokens.inc
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Original file line number Diff line number Diff line change
Expand Up @@ -8,6 +8,8 @@
*/

use Drupal\Core\Render\BubbleableMetadata;
use Drupal\media\Entity\Media;
use Drupal\file\Entity\File;

/**
* Implements hook_token_info().
Expand Down Expand Up @@ -39,6 +41,11 @@ function islandora_token_info() {
'description' => t('Deprecated: Alternative text for Thumbnail Image associated with Islandora Object via Media.'),
];

$node['pdf_url'] = [
'name' => t("PDF Url"),
'description' => t('URL to related media file if "Original file" is a PDF file'),
];

return [
'types' => ['islandoratokens' => $type],
'tokens' => ['islandoratokens' => $node],
Expand Down Expand Up @@ -95,8 +102,60 @@ function islandora_tokens($type, $tokens, array $data, array $options, Bubbleabl
// alt is empty.
$replacements[$original] = $alt;
break;

case 'pdf_url':
$replacements[$original] = ' ' . islandora_url_to_service_file_media_by_mimetype($data['node'], 'application/pdf');
break;
}
}
}
return $replacements;
}

/**
* Gets Original File PDF file URL.
*
* @param object $node
* A core drupal node object.
* @param string $mime_type
* The name of the node's field to check for the specific relationship.
*
* @return string
* The tokenized value for the given data.
*/
function islandora_url_to_service_file_media_by_mimetype($node, $mime_type) {
$islandora_utils = \Drupal::service('islandora.utils');
$origfile_term = $islandora_utils->getTermForUri('http://pcdm.org/use#OriginalFile');
$origfile_media = $islandora_utils->getMediaWithTerm($node, $origfile_term);
// Get the media file's mime_type value.
if (is_object($origfile_media)) {
$origfile_mime_type = ($origfile_media->hasField('field_mime_type')) ?
$origfile_media->get('field_mime_type')->getValue() : NULL;
$origfile_mime_type = (is_array($origfile_mime_type) &&
array_key_exists(0, $origfile_mime_type) &&
is_array($origfile_mime_type[0]) &&
array_key_exists('value', $origfile_mime_type[0])) ?
$origfile_mime_type[0]['value'] : '';
// Compare the media file's mime_type to the given value.
if ($origfile_mime_type == $mime_type) {
$vid = $origfile_media->id();
if (!is_null($vid)) {
$media = Media::load($vid);
$bundle = $media->bundle();
// Since this is Islandora and we assume the Original File is a
// Document type... but doing it dynamically.
$fid = $media->get('field_media_' . $bundle)->getValue();
$fid_value = (is_array($fid) && array_key_exists(0, $fid) &&
array_key_exists('target_id', $fid[0])) ?
$fid[0]['target_id'] : NULL;
if (!is_null($fid_value)) {
$file = File::load($fid_value);
if ($file) {
$url = $islandora_utils->getDownloadUrl($file);
return $url;
}
}
}
}
}
}