update solr index

app/Library/Search/SolrDocumentXslt.php

@@ -0,0 +1,79 @@
+<?php
+
+namespace App\Library\Search;
+
+use App\Models\Dataset;
+
+class SolrDocumentXslt
+{
+    /**
+     * @var XSLTProcessor
+     */
+    protected $processor;
+
+    public function __construct($options)
+    {
+        //parent::__construct($options);
+
+        try {
+            $xslt = new \DomDocument;
+            $xslt->load($options['xsltfile']);
+
+            $this->processor = new \XSLTProcessor;
+            $this->processor->importStyleSheet($xslt);
+        } catch (Exception $e) {
+            throw new Exception('invalid XSLT file for deriving Solr documents', 0, $e);
+        }
+    }
+
+    public function toSolrDocument(Dataset $rdrDataset, \DOMDocument $solrDoc)
+    {
+        if (!($solrDoc instanceof \DOMDocument)) {
+            throw new Exception('provided Solr document must be instance of DOMDocument');
+        }
+
+        $modelXml = $this->getModelXml($rdrDataset);//->saveXML();
+
+        $solrDoc->preserveWhiteSpace = false;
+        $solrDoc->loadXML($this->processor->transformToXML($modelXml));
+
+        // if (Opus_Config::get()->log->prepare->xml) {
+        //     $modelXml->formatOutput = true;
+        //     Opus_Log::get()->debug("input xml\n" . $modelXml->saveXML());
+        //     $solrDoc->formatOutput = true;
+        //     Opus_Log::get()->debug("transformed solr xml\n" . $solrDoc->saveXML());
+        // }
+
+        return $solrDoc;
+    }
+
+    /**
+     * Retrieves XML describing model data of provided RDR dataset.
+     *
+     * @param Dataset $rdrDataset
+     * @return DOMDocument
+     */
+    protected function getModelXml(Dataset $rdrDataset)
+    {
+        $rdrDataset->fetchValues();
+        // Set up caching xml-model and get XML representation of document.
+        $xmlModel = new \App\Library\Xml\XmlModel();
+        //$caching_xml_model = new Opus_Model_Xml;
+       
+        //$caching_xml_model->setModel($opusDoc);
+        $xmlModel->setModel($rdrDataset);
+        $xmlModel->excludeEmptyFields();
+        //$xmlModel->setStrategy(new Opus_Model_Xml_Version1);
+        //$cache = new Opus_Model_Xml_Cache($opusDoc->hasPlugin('Opus_Document_Plugin_Index'));
+        //$xmlModel->setXmlCache($cache);
+        $cache = ($rdrDataset->xmlCache) ?  $rdrDataset->xmlCache : new \App\Models\XmlCache();
+        $xmlModel->setXmlCache($cache);
+
+        $modelXml = $xmlModel->getDomDocument();
+        
+        // extract fulltext from file and append it to the generated xml.
+        //$this->attachFulltextToXml($modelXml, $opusDoc->getFile(), $opusDoc->getId());
+
+        return $modelXml;
+    }
+}