From 8b7caa9e8c0b4eac54cdb8c8365eec453e36f369 Mon Sep 17 00:00:00 2001
From: dannylamb <dlamb@islandora.ca>
Date: Wed, 1 Apr 2020 12:07:45 -0600
Subject: [PATCH] Fixes JSONLD endpoint fail for Extracted Text (#768)

* wrapping string in array for case where there's no rdf mapping
* Adding rdf mapping for extracted text
---
 .../rdf.mapping.media.extracted_text.yml      | 51 +++++++++++++++++++
 .../JsonldTypeAlterReaction.php               |  3 ++
 2 files changed, 54 insertions(+)
 create mode 100644 modules/islandora_text_extraction_defaults/config/install/rdf.mapping.media.extracted_text.yml

diff --git a/modules/islandora_text_extraction_defaults/config/install/rdf.mapping.media.extracted_text.yml b/modules/islandora_text_extraction_defaults/config/install/rdf.mapping.media.extracted_text.yml
new file mode 100644
index 00000000..e0a0b155
--- /dev/null
+++ b/modules/islandora_text_extraction_defaults/config/install/rdf.mapping.media.extracted_text.yml
@@ -0,0 +1,51 @@
+langcode: en
+status: true
+dependencies:
+  config:
+    - media.type.extracted_text
+  enforced:
+    module:
+      - islandora_text_extraction_defaults
+  module:
+    - media
+id: media.extracted_text
+targetEntityType: media
+bundle: extracted_text 
+types:
+  - 'pcdm:File'
+fieldMappings:
+  name:
+    properties:
+      - 'dcterms:title'
+      - 'rdf:label'
+  created:
+    properties:
+      - 'schema:dateCreated'
+    datatype_callback:
+      callable: 'Drupal\rdf\CommonDataConverter::dateIso8601Value'
+  changed:
+    properties:
+      - 'schema:dateModified'
+    datatype_callback:
+      callable: 'Drupal\rdf\CommonDataConverter::dateIso8601Value'
+  uid:
+    properties:
+      - 'schema:author'
+    mapping_type: rel
+  field_mime_type:
+    properties:
+      - 'ebucore:hasMimeType'
+  field_media_of:
+    properties:
+      - 'pcdm:fileOf'
+    mapping_type: rel
+  field_original_name:
+    properties:
+      - 'premis3:originalName'
+  field_tags:
+    properties:
+      - 'schema:additionalType'
+    mapping_type: rel
+  field_file_size:
+    properties:
+      - 'premis:hasSize'
diff --git a/src/Plugin/ContextReaction/JsonldTypeAlterReaction.php b/src/Plugin/ContextReaction/JsonldTypeAlterReaction.php
index ae4bc55a..b2e757ff 100644
--- a/src/Plugin/ContextReaction/JsonldTypeAlterReaction.php
+++ b/src/Plugin/ContextReaction/JsonldTypeAlterReaction.php
@@ -44,6 +44,9 @@ class JsonldTypeAlterReaction extends NormalizerAlterReaction {
 
     // Search for the entity in the graph.
     foreach ($normalized['@graph'] as &$elem) {
+      if (!is_array($elem['@type'])) {
+        $elem['@type'] = [$elem['@type']];
+      }
       if ($elem['@id'] === $this->getSubjectUrl($entity)) {
         foreach ($entity->get($config['source_field'])->getValue() as $type) {
           // If the configured field is using an entity reference,