/**
* Extracts the configuration stored in the DB and turns it into a Solr-compliant XML string.
* Stores the result string in the local property $configurationXML
*
* @see $configurationXML
* @return boolean true if the generation run correctly, false otherwise.
*
*/
protected static function generateConfiguration()
{
$db = eZDB::instance();
$def = self::definition();
$query = "SELECT DISTINCT search_query FROM " . $def['name'];
$limit = 50;
$offset = 0;
$solr = new eZSolr();
$xml = new SimpleXMLElement(self::XML_SKELETON);
self::$configurationXML = $xml->asXML();
while (true) {
// fetch distinct search queries
$rows = $db->arrayQuery($query, array('limit' => $limit, 'offset' => $offset));
if (empty($rows)) {
break;
}
// For each query string, generate the corresponding bloc in elevate.xml
// Looks like this :
//
// <query text="foo bar">
// <doc id="1" />
// <doc id="2" />
// <doc id="3" />
// </query>
$xml = new SimpleXMLElement(self::$configurationXML);
foreach ($rows as $row) {
$searchQuery = $xml->addChild('query');
$searchQuery->addAttribute('text', $row['search_query']);
$results = self::fetchObjectsForQueryString($row['search_query']);
foreach ($results as $languageCode => $objects) {
foreach ($objects as $object) {
if ($languageCode === self::WILDCARD) {
$currentVersion = $object->currentVersion();
foreach ($currentVersion->translationList(false, false) as $lang) {
$guid = $solr->guid($object, $lang);
$doc = $searchQuery->addChild('doc');
$doc->addAttribute('id', $guid);
}
} else {
$guid = $solr->guid($object, $languageCode);
$doc = $searchQuery->addChild('doc');
$doc->addAttribute('id', $guid);
}
}
}
}
$offset += $limit;
self::$configurationXML = $xml->asXML();
}
return true;
}
