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<?php
namespace phorkie;
class Database_Adapter_Elasticsearch_Search implements Database_ISearch
{
protected static $sortMap = array(
'id' => array('id', 'asc'),
'crdate' => array('crdate', 'desc'),
'tstamp' => array('tstamp', 'desc'),
);
public function __construct()
{
$this->searchInstance = $GLOBALS['phorkie']['cfg']['elasticsearch'];
}
/**
* List all repositories
*
* @param integer $page Page of search results, starting with 0
* @param integer $perPage Number of results per page
* @param string $sort Sort order. Allowed values:
* - id - repository id
* - crdate - creation date
* - tstamp - modification date
*
* @return Search_Result Search result object
*/
public function listAll($page = 0, $perPage = 10, $sort = 'id', $sortOrder = null)
{
list($sortField, $orderField) = $this->getSortField($sort, $sortOrder);
$r = new Database_Adapter_Elasticsearch_HTTPRequest(
$this->searchInstance . 'repo/_search',
\HTTP_Request2::METHOD_GET
);
$r->setBody(
json_encode(
(object)array(
'from' => $page * $perPage,
'size' => $perPage,
'sort' => array(
$sortField => $orderField
),
'query' => (object)array(
'match_all' => (object)array()
),
)
)
);
$httpRes = $r->send();
$jRes = json_decode($httpRes->getBody());
if (isset($jRes->error)) {
throw new Exception(
'Search exception: ' . $jRes->error, $jRes->status
);
}
$sres = new Search_Result();
$sres->results = $jRes->hits->total;
$sres->page = $page;
$sres->perPage = $perPage;
foreach ($jRes->hits->hits as $hit) {
$r = new Repository();
$r->loadById($hit->_source->id);
$r->crdate = strtotime($hit->_source->crdate);
$sres->repos[] = $r;
}
return $sres;
}
/**
* Search for a given term and return repositories that contain it
* in their description, file names or file content
*
* @param string $term Search term
* @param integer $page Page of search results, starting with 0
* @param integer $perPage Number of results per page
*
* @return Search_Result Search result object
*/
public function search($term, $page = 0, $perPage = 10)
{
$r = new Database_Adapter_Elasticsearch_HTTPRequest(
$this->searchInstance . 'repo/_search',
\HTTP_Request2::METHOD_GET
);
$r->setBody(
json_encode(
(object)array(
'from' => $page * $perPage,
'size' => $perPage,
'query' => (object)array(
'bool' => (object)array(
'should' => array(
(object)array(
'query_string' => (object)array(
'query' => $term,
'default_operator' => 'AND'
),
),
(object)array(
'has_child' => (object)array(
'type' => 'file',
'query' => (object)array(
'query_string' => (object)array(
'query' => $term,
'default_operator' => 'AND'
)
)
)
)
)
)
)
)
)
);
$httpRes = $r->send();
$jRes = json_decode($httpRes->getBody());
if (isset($jRes->error)) {
throw new Exception(
'Search exception: ' . $jRes->error, $jRes->status
);
}
$sres = new Search_Result();
$sres->results = $jRes->hits->total;
$sres->page = $page;
$sres->perPage = $perPage;
foreach ($jRes->hits->hits as $hit) {
$r = new Repository();
//FIXME: error handling. what about deleted repos?
$r->loadById($hit->_source->id);
$sres->repos[] = $r;
}
return $sres;
}
protected function getSortField($sort, $sortOrder)
{
if (!isset(self::$sortMap[$sort])) {
throw new Exception('Invalid sort parameter: ' . $sort);
}
if ($sortOrder !== 'asc' && $sortOrder !== 'desc') {
throw new Exception('Invalid sortOrder parameter: ' . $sortOrder);
}
$data = self::$sortMap[$sort];
if ($sortOrder !== null) {
$data[1] = $sortOrder;
}
return $data;
}
}
?>
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