From ec29a45bde5af814c1717c85238013c07495154b Mon Sep 17 00:00:00 2001
From: Alexander O'Neill <alexander@born-digital.com>
Date: Mon, 20 Nov 2023 01:22:12 -0400
Subject: [PATCH] 959-iiif-width-height-caching Islandora IIIF: Add search
 endpoint config to manifest.

---
 .../config/schema/islandora_iiif.schema.yml   | 12 ++++++++
 .../src/Plugin/views/style/IIIFManifest.php   | 28 +++++++++++++++++++
 2 files changed, 40 insertions(+)

diff --git a/modules/islandora_iiif/config/schema/islandora_iiif.schema.yml b/modules/islandora_iiif/config/schema/islandora_iiif.schema.yml
index f9e870ef..e02f443f 100644
--- a/modules/islandora_iiif/config/schema/islandora_iiif.schema.yml
+++ b/modules/islandora_iiif/config/schema/islandora_iiif.schema.yml
@@ -16,3 +16,15 @@ views.style.iiif_manifest:
       type: sequence
       sequence:
         type: string
+      label: "Tile source field(s)"
+    iiif_ocr_file_field:
+      type: sequence
+      sequence:
+        type: string:
+      label: "IIIF hOCR file field"
+    structured_text_term:
+      type: string
+      label: "Structured text term"
+    search_endpoint:
+      type: string
+      label: "Search endpoint path"
diff --git a/modules/islandora_iiif/src/Plugin/views/style/IIIFManifest.php b/modules/islandora_iiif/src/Plugin/views/style/IIIFManifest.php
index b2ea900d..77763458 100644
--- a/modules/islandora_iiif/src/Plugin/views/style/IIIFManifest.php
+++ b/modules/islandora_iiif/src/Plugin/views/style/IIIFManifest.php
@@ -215,6 +215,9 @@ class IIIFManifest extends StylePluginBase {
 
     $content_type = 'json';
 
+// Add a search endpoint if one is defined
+$this->addSearchEndpoint($json, $url_components);
+
     // Give other modules a chance to alter the manifest.
     $this->moduleHandler->alter('islandora_iiif_manifest', $json, $this);
 
@@ -459,6 +462,23 @@ class IIIFManifest extends StylePluginBase {
     return $entity_title;
   }
 
+  protected function addSearchEndpoint(array &$json, array $url_components) {
+    $url_base = $this->getRequest()->getSchemeAndHttpHost();
+    $hocr_search_path = $this->options['search_endpoint'];
+    $hocr_search_url = $url_base . '/' . ltrim($hocr_search_path, '/');
+
+    $hocr_search_url = str_replace('%node', $url_components[1], $hocr_search_url);
+
+    $json['service'][] = [
+          "@context" => "http://iiif.io/api/search/0/context.json",
+          "@id" => $hocr_search_url,
+          "profile" => "http://iiif.io/api/search/0/search",
+          "label" => t("Search inside this work"),
+    ];
+
+
+  }
+
   /**
    * {@inheritdoc}
    */
@@ -539,6 +559,14 @@ class IIIFManifest extends StylePluginBase {
       '#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.'),
     ];
+
+    $form['search_endpoint'] = [
+      '#type' => 'textfield',
+      '#title' => $this->t("Search endpoint path."),
+      '#description' => $this->t("If there is a search endpoint to search within the book that returns IIIF annotations, put it here. Use substitutions %node and %keywords.<br>E.g., paged-content-search/%node?search-in-pages=%keywords"),
+      '#default_value' => $this->options['search_endpoint'],
+      '#required' => FALSE,
+    ];
   }
 
   /**