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|
<?php
namespace phinde;
class Elasticsearch
{
protected $baseUrl;
public function __construct($baseUrl)
{
$this->baseUrl = $baseUrl;
}
/**
* @link https://www.elastic.co/guide/en/elasticsearch/guide/current/_finding_exact_values.html
*/
public function isKnown($url)
{
$r = new Elasticsearch_Request(
$this->baseUrl . 'document/_search/exists',
\HTTP_Request2::METHOD_GET
);
$r->allow404 = true;
$r->setBody(
json_encode(
array(
'query' => array(
'filtered' => array(
'filter' => array(
'term' => array(
'url' => $url
)
)
)
)
)
)
);
$res = json_decode($r->send()->getBody());
return $res->exists;
}
public function get($url)
{
$r = new Elasticsearch_Request(
$this->baseUrl . 'document/' . rawurlencode($url),
\HTTP_Request2::METHOD_GET
);
$r->allow404 = true;
$res = $r->send();
if ($res->getStatus() != 200) {
return null;
}
$d = json_decode($res->getBody());
return $d->_source;
}
public function markQueued($url)
{
$r = new Elasticsearch_Request(
$this->baseUrl . 'document/' . rawurlencode($url),
\HTTP_Request2::METHOD_PUT
);
$doc = array(
'status' => 'queued',
'url' => $url
);
$r->setBody(json_encode($doc));
$r->send();
}
public function search($query, $filters, $site, $page, $perPage, $sort)
{
if ($sort == 'date') {
$sortCfg = array('modate' => array('order' => 'desc'));
} else {
$sortCfg = array();
}
$r = new Elasticsearch_Request(
$this->baseUrl . 'document/_search',
\HTTP_Request2::METHOD_GET
);
$doc = array(
'_source' => array(
'url',
'title',
'author',
'modate',
),
'query' => array(
'bool' => array(
'must' => array(
array(
'query_string' => array(
'default_field' => '_all',
'default_operator' => 'AND',
'query' => $query
)
),
array(
'term' => array(
'status' => 'indexed'
)
),
)
)
),
'highlight' => array(
'pre_tags' => array('<em class="hl">'),
'order' => 'score',
'encoder' => 'html',
'fields' => array(
'title' => array(
'require_field_match' => false,
'number_of_fragments' => 0,
),
'url' => array(
'require_field_match' => false,
'number_of_fragments' => 0,
),
'text' => array(
'require_field_match' => false,
'number_of_fragments' => 1,
),
)
),
'aggregations' => array(
'tags' => array(
'terms' => array(
'field' => 'tags'
)
),
'language' => array(
'terms' => array(
'field' => 'language'
)
),
'domain' => array(
'terms' => array(
'field' => 'domain'
)
),
'type' => array(
'terms' => array(
'field' => 'type'
)
)
),
'from' => $page * $perPage,
'size' => $perPage,
'sort' => $sortCfg,
);
foreach ($filters as $type => $value) {
$doc['query']['bool']['must'][] = array(
'term' => array(
$type => $value
)
);
}
if ($site != '') {
$doc['query']['bool']['must'][] = array(
'prefix' => array(
'schemalessUrl' => array(
'value' => $site
)
)
);
}
//unset($doc['_source']);
//ini_set('xdebug.var_display_max_depth', 10);
//echo json_encode($doc);die();
$r->setBody(json_encode($doc));
$res = $r->send();
return json_decode($res->getBody());
}
}
?>
|
