Add hocr patch.

assets/patches/hocr.patch

@@ -0,0 +1,176 @@
+diff --git a/modules/islandora_iiif/src/Plugin/views/style/IIIFManifest.php b/modules/islandora_iiif/src/Plugin/views/style/IIIFManifest.php
+index 804153ab..fc31c36a 100644
+--- a/modules/islandora_iiif/src/Plugin/views/style/IIIFManifest.php
++++ b/modules/islandora_iiif/src/Plugin/views/style/IIIFManifest.php
+@@ -11,6 +11,7 @@ use Drupal\Core\Field\FieldItemInterface;
+ use Drupal\Core\Form\FormStateInterface;
+ use Drupal\Core\Messenger\MessengerInterface;
+ use Drupal\Core\Url;
++use Drupal\islandora\IslandoraUtils;
+ use Drupal\views\Plugin\views\style\StylePluginBase;
+ use Drupal\views\ResultRow;
+ use GuzzleHttp\Client;
+@@ -35,6 +36,13 @@ use Symfony\Component\HttpFoundation\Request;
+  */
+ class IIIFManifest extends StylePluginBase {
+
++  /**
++   * Islandora utility functions.
++   *
++   * @var \Drupal\islandora\IslandoraUtils
++   */
++  protected $utils;
++
+   /**
+    * {@inheritdoc}
+    */
+@@ -108,10 +116,17 @@ class IIIFManifest extends StylePluginBase {
+    */
+   protected $moduleHandler;
+
++  /*
++   * The media use term for structured OCR text.
++   *
++   * @var \Drupal\taxonomy\TermInterface|null
++   */
++  protected $structuredTextTerm;
++
+   /**
+    * {@inheritdoc}
+    */
+-  public function __construct(array $configuration, $plugin_id, $plugin_definition, SerializerInterface $serializer, Request $request, ImmutableConfig $iiif_config, EntityTypeManagerInterface $entity_type_manager, FileSystemInterface $file_system, Client $http_client, MessengerInterface $messenger, ModuleHandlerInterface $moduleHandler) {
++  public function __construct(array $configuration, $plugin_id, $plugin_definition, SerializerInterface $serializer, Request $request, ImmutableConfig $iiif_config, EntityTypeManagerInterface $entity_type_manager, FileSystemInterface $file_system, Client $http_client, MessengerInterface $messenger, ModuleHandlerInterface $moduleHandler, IslandoraUtils $utils) {
+     parent::__construct($configuration, $plugin_id, $plugin_definition);
+
+     $this->serializer = $serializer;
+@@ -122,6 +137,10 @@ class IIIFManifest extends StylePluginBase {
+     $this->httpClient = $http_client;
+     $this->messenger = $messenger;
+     $this->moduleHandler = $moduleHandler;
++    $this->utils = $utils;
++    $this->structured_text_term = isset($this->options['structured_text_term_uri'])
++    ? $this->utils->getTermForUri($this->options['structured_text_term_uri'])
++    : FALSE;
+   }
+
+   /**
+@@ -139,7 +158,8 @@ class IIIFManifest extends StylePluginBase {
+       $container->get('file_system'),
+       $container->get('http_client'),
+       $container->get('messenger'),
+-      $container->get('module_handler')
++      $container->get('module_handler'),
++      $container->get('islandora.utils')
+     );
+   }
+
+@@ -157,6 +177,7 @@ class IIIFManifest extends StylePluginBase {
+    * {@inheritdoc}
+    */
+   public function render() {
++    $this->structuredTextTerm = $this->utils->getTermForUri($this->options['structured_text_term_uri']);
+     $json = [];
+     $iiif_address = $this->iiifConfig->get('iiif_server');
+     if (!is_null($iiif_address) && !empty($iiif_address)) {
+@@ -282,7 +303,7 @@ class IIIFManifest extends StylePluginBase {
+             ],
+           ];
+
+-          if ($ocr_url = $this->getOcrUrl($entity, $row, $i)) {
++          if ($ocr_url = $this->getOcrUrl($entity)) {
+             $tmp_canvas['seeAlso'] = [
+               '@id' => $ocr_url,
+               'format' => 'text/vnd.hocr+html',
+@@ -362,28 +383,34 @@ class IIIFManifest extends StylePluginBase {
+    *
+    * @param \Drupal\Core\Entity\EntityInterface $entity
+    *   The entity at the current row.
+-   * @param \Drupal\views\ResultRow $row
+-   *   Result row.
+-   * @param int $delta
+-   *   The delta in case there are multiple canvases on one media.
+    *
+    * @return string|false
+    *   The absolute URL of the current row's structured text,
+    *   or FALSE if none.
+    */
+-  protected function getOcrUrl(EntityInterface $entity, ResultRow $row, $delta) {
++  protected function getOcrUrl(EntityInterface $entity) {
+     $ocr_url = FALSE;
+     $iiif_ocr_file_field = !empty($this->options['iiif_ocr_file_field']) ? array_filter(array_values($this->options['iiif_ocr_file_field'])) : [];
+     $ocrField = count($iiif_ocr_file_field) > 0 ? $this->view->field[$iiif_ocr_file_field[0]] : NULL;
+     if ($ocrField) {
+-      $ocr_entity = $ocrField->getEntity($row);
++      $ocr_entity = $entity;
+       $ocr_field_name = $ocrField->definition['field_name'];
+-      if (!is_null($ocr_field_name)) {
++      if (!is_null($ocrField_name)) {
+         $ocrs = $ocr_entity->{$ocr_field_name};
+-        $ocr = isset($ocrs[$delta]) ? $ocrs[$delta] : FALSE;
+-        if ($ocr) {
+-          $ocr_url = $ocr->entity->createFileUrl(FALSE);
+-        }
++        $ocr = isset($ocrs[$i]) ? $ocrs[$i] : FALSE;
++        $ocr_url = $ocr->entity->createFileUrl(FALSE);
++      }
++    }
++    elseif ($this->structuredTextTerm) {
++      $parent_node = $this->utils->getParentNode($entity);
++      $ocr_entity_array = $this->utils->getMediaReferencingNodeAndTerm($parent_node, $this->structuredTextTerm);
++      $ocr_entity_id = is_array($ocr_entity_array) ? array_shift($ocr_entity_array) : NULL;
++      $ocr_entity = $ocr_entity_id ? $this->entityTypeManager->getStorage('media')->load($ocr_entity_id) : NULL;
++      if ($ocr_entity) {
++        $ocr_file_source = $ocr_entity->getSource();
++        $ocr_fid = $ocr_file_source->getSourceFieldValue($ocr_entity);
++        $ocr_file = $this->entityTypeManager->getStorage('file')->load($ocr_fid);
++        $ocr_url = $ocr_file->createFileUrl(FALSE);
+       }
+     }
+
+@@ -486,10 +513,19 @@ class IIIFManifest extends StylePluginBase {
+       '#title' => $this->t('Structured OCR data file field'),
+       '#type' => 'checkboxes',
+       '#default_value' => $this->options['iiif_ocr_file_field'],
+-      '#description' => $this->t('The source of structured OCR text for each entity.'),
++      '#description' => $this->t('The source of structured OCR text for each entity. If the term setting below is left blank, it will be the same entity as the source image'),
+       '#options' => $field_options,
+       '#required' => FALSE,
+     ];
++    $form['structured_text_term'] = [
++      '#type' => 'entity_autocomplete',
++      '#target_type' => 'taxonomy_term',
++      '#title' => $this->t('Structured OCR text term'),
++      '#default_value' => $this->utils->getTermForUri($this->options['structured_text_term_uri']),
++      '#required' => FALSE,
++      '#description' => $this->t('Term indicating the media that holds structured text, such as hOCR, for the given object. Use this if the text is on a separate media from the tile source.'),
++    ];
++
+   }
+
+   /**
+@@ -502,4 +538,25 @@ class IIIFManifest extends StylePluginBase {
+     return ['json' => 'json'];
+   }
+
++  /**
++   * Submit handler for options form.
++   *
++   * Used to store the structured text media term by URL instead of Ttid.
++   *
++   * @param array $form
++   *   The form.
++   * @param \Drupal\Core\Form\FormStateInterface $form_state
++   *   The form state object.
++   */
++  // @codingStandardsIgnoreStart
++  public function submitOptionsForm(&$form, FormStateInterface $form_state) {
++    // @codingStandardsIgnoreEnd
++    $style_options = $form_state->getValue('style_options');
++    $tid = $style_options['structured_text_term'];
++    $term = $this->entityTypeManager->getStorage('taxonomy_term')->load($tid);
++    $style_options['structured_text_term_uri'] = $this->utils->getUriForTerm($term);
++    $form_state->setValue('style_options', $style_options);
++    parent::submitOptionsForm($form, $form_state);
++  }
++
+ }

composer.json

@@ -131,6 +131,9 @@
         "patches": {
 	    "drupal/matomo": {
 	        "https://www.drupal.org/project/matomo/issues/3363521": "https://www.drupal.org/files/issues/2023-06-29/matomo-3363521-7.patch"
+	    },
+	    "drupal/islandora": {
+	        "OCR from media: https://github.com/Islandora/islandora/pull/953": "assets/patches/hocr.patch"
 	    }
 	}
     },