/**
* Assign necessary Smarty variables and return a template name to
* load in order to display similar items of the record view page.
*
* @return string Name of Smarty template file to display.
* @access public
*/
public function getSimilarItems()
{
global $interface;
$this->db = ConnectionManager::connectToIndex();
// Get similar records
$similar = $this->db->getMoreLikeThis($this->fields['id'], array('fq' => SearchObject_Solr::getDefaultHiddenFilters()));
if (!$similar || !array_key_exists('response', $similar) || !array_key_exists('docs', $similar['response'])) {
PEAR::raiseError(new PEAR_Error('Cannot Load similar items'));
}
// Send the similar items to the template; if there is only one, we need
// to force it to be an array or things will not display correctly.
if (count($similar['response']['docs']) > 0) {
$interface->assign('similarRecords', $similar['response']['docs']);
}
// Find Other Editions
$editions = $this->getEditions();
if (!PEAR::isError($editions)) {
$interface->assign('editions', $editions);
}
return 'Record/similar-items.tpl';
}
/**
* Obtain information from an alphabetic browse index.
*
* @param string $source Name of index to search
* @param string $from Starting point for browse results
* @param string $rowid Starting point rowid when known
* @param int $page If page is 0 browse forward, if page is -1 browse backwards
* @param int $page_size The numer of results to return
* @param string $extras Also return these Solr db fields in the results
* @param bool $returnSolrError Should we fail outright on syntax error
* (false) or treat it as an empty result set with an error key set (true)?
*
* @return array
* @access public
*/
public function alphabeticBrowse($source, $from, $rowid, $page, $page_size = 20, $extras = null, $returnSolrError = false)
{
$this->client->setMethod('GET');
$this->client->setURL($this->host . "/browse");
$this->client->addQueryString('source', $source);
$this->client->addQueryString('from', $from);
$this->client->addQueryString('rowid', $rowid);
$this->client->addQueryString('offset', $page);
$this->client->addQueryString('rows', $page_size);
$this->client->addQueryString('extras', $extras);
$this->client->addQueryString('json.nl', 'arrarr');
$this->client->addQueryString('wt', 'json');
$filters = SearchObject_Solr::getDefaultHiddenFilters();
if ($this->_mergedRecords) {
// Filter out merged children by default
$filters[] = '-merged_child_boolean:TRUE';
} elseif ($this->_mergedRecords !== null) {
// Filter out merged records by default
if (!isset($filter)) {
$filter = array();
}
$filters[] = '-merged_boolean:TRUE';
}
if (!empty($filters)) {
$this->client->addQueryString('filters', implode(' AND ', $filters));
}
if ($this->debug) {
echo '<pre>Browse: ' . $this->client->getUrl() . "\n";
echo "</pre>\n";
}
$result = $this->client->sendRequest();
if (!PEAR::isError($result)) {
return $this->_process($this->client->getResponseBody(), $returnSolrError);
} else {
return $result;
}
}
