Add way to get fulltext from media (#2117)

(fix #2116)

application/src/Api/Adapter/MediaAdapter.php

@@ -4,6 +4,7 @@
 use Doctrine\ORM\QueryBuilder;
 use Omeka\Api\Request;
 use Omeka\Media\Ingester\MutableIngesterInterface;
+use Omeka\Media\Renderer\FulltextSearchableInterface;
 use Omeka\Entity\EntityInterface;
 use Omeka\Entity\Item;
 use Omeka\Media\Ingester\Fallback;
@@ -200,4 +201,16 @@ public function preprocessBatchUpdate(array $data, Request $request)
 
         return $data;
     }
+
+    public function getFulltextText($resource)
+    {
+        $renderer = $this->getServiceLocator()
+            ->get('Omeka\Media\Renderer\Manager')
+            ->get($resource->getRenderer());
+        $fulltextText = parent::getFulltextText($resource);
+        if ($renderer instanceof FulltextSearchableInterface) {
+            $fulltextText .= ' ' . $renderer->getFulltextText($this->getRepresentation($resource));
+        }
+        return $fulltextText;
+    }
 }

application/src/Media/Renderer/FulltextSearchableInterface.php

@@ -0,0 +1,15 @@
+<?php
+namespace Omeka\Media\Renderer;
+
+use Omeka\Api\Representation\MediaRepresentation;
+
+interface FulltextSearchableInterface
+{
+    /**
+     * Get the the text of the passed media.
+     *
+     * @param Media $media
+     * @return string
+     */
+    public function getFulltextText(MediaRepresentation $media);
+}

application/src/Media/Renderer/Html.php

@@ -4,12 +4,18 @@
 use Omeka\Api\Representation\MediaRepresentation;
 use Laminas\View\Renderer\PhpRenderer;
 
-class Html implements RendererInterface
+class Html implements RendererInterface, FulltextSearchableInterface
 {
     public function render(PhpRenderer $view, MediaRepresentation $media,
         array $options = []
     ) {
         $data = $media->mediaData();
         return $data['html'];
     }
+
+    public function getFulltextText(MediaRepresentation $media)
+    {
+        $data = $media->mediaData();
+        return strip_tags($data['html']);
+    }
 }