/**
* Create an XML fragment from a {@link Document} instance appropriate for use inside a Solr add call
*
* @return string
*/
protected function _documentToXmlFragment(Document $document)
{
$xml = '<doc';
if ($document->getBoost() !== false) {
$xml .= ' boost="' . $document->getBoost() . '"';
}
$xml .= '>';
foreach ($document as $key => $item) {
$key = htmlspecialchars($key, ENT_QUOTES, 'UTF-8');
$fieldBoost = $document->getFieldBoost($key);
if (!is_array($item)) {
$item = array($item);
}
foreach ($item as $multivalue) {
if (!is_array($multivalue)) {
$multivalue = array($multivalue);
}
foreach ($multivalue as $value) {
$xml .= '<field name="' . $key . '"';
if ($fieldBoost !== false) {
$xml .= ' boost="' . $fieldBoost . '"';
// only set the boost for the first field in the set
$fieldBoost = false;
}
$value = htmlspecialchars($value, ENT_NOQUOTES, 'UTF-8');
$xml .= '>' . $value . '</field>';
}
}
}
$xml .= '</doc>';
// replace any control characters to avoid Solr XML parser exception
return $this->_stripCtrlChars($xml);
}
/**
* Builds the item's index key.
*
* Takes the form extension.view.id, E.g. com_content.article.1.
*
* The key can be customized by overriding this method but it is not
* recommended.
*
* @param \JSolr\Apache\Solr\Document $document The document to use to build the
* key.
*
* @return string The item's key.
*/
protected function buildKey($document)
{
$type = $document->getField('context');
$type = JArrayHelper::getValue($type, 'value');
$type = JArrayHelper::getValue($type, 0);
$id = $document->getField('id');
$id = JArrayHelper::getValue($id, 'value');
$id = JArrayHelper::getValue($id, 0);
return $type . '.' . $id;
}