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<?php
/**
* @author Carsten Brandt <mail@cebe.cc>
*/
namespace yii\elasticsearch;
use yii\base\Component;
use yii\db\Exception;
use yii\helpers\Json;
// camelCase vs. _
// http://www.elasticsearch.org/guide/en/elasticsearch/reference/current/common-options.html#_result_casing
/**
* Class Command
*
* http://www.elasticsearch.org/guide/en/elasticsearch/reference/current/glossary.html
*
*/
class Command extends Component
{
/**
* @var Connection
*/
public $db;
/**
* @var string|array the indexes to execute the query on. Defaults to null meaning all indexes
* @see http://www.elasticsearch.org/guide/en/elasticsearch/reference/current/search.html#search-multi-index
*/
public $index;
/**
* @var string|array the types to execute the query on. Defaults to null meaning all types
*/
public $type;
/**
* @var array|string array or json
*/
public $query;
public function queryAll($options = [])
{
$query = $this->query;
if (empty($query)) {
$query = '{}';
}
if (is_array($query)) {
$query = Json::encode($query);
}
$url = [
$this->index !== null ? $this->index : '_all',
$this->type !== null ? $this->type : '_all',
'_search'
];
$response = $this->db->http()->post($this->createUrl($url, $options), null, $query)->send();
return Json::decode($response->getBody(true))['hits'];
}
public function queryOne($options = [])
{
$options['size'] = 1;
return $this->queryAll($options);
}
public function queryCount($options = [])
{
$options['search_type'] = 'count';
return $this->queryAll($options);
}
/**
* Inserts a document into an index
* @param string $index
* @param string $type
* @param string|array $data json string or array of data to store
* @param null $id the documents id. If not specified Id will be automatically choosen
* @param array $options
* @return mixed
* @see http://www.elasticsearch.org/guide/en/elasticsearch/reference/current/docs-index_.html
*/
public function insert($index, $type, $data, $id = null, $options = [])
{
$body = is_array($data) ? Json::encode($data) : $data;
if ($id !== null) {
$response = $this->db->http()->put($this->createUrl([$index, $type, $id], $options), null, $body)->send();
} else {
$response = $this->db->http()->post($this->createUrl([$index, $type], $options), null, $body)->send();
}
return Json::decode($response->getBody(true));
}
/**
* gets a document from the index
* @param $index
* @param $type
* @param $id
* @param array $options
* @return mixed
* @see http://www.elasticsearch.org/guide/en/elasticsearch/reference/current/docs-get.html
*/
public function get($index, $type, $id, $options = [])
{
$httpOptions = [
'exceptions' => false,
];
$response = $this->db->http()->get($this->createUrl([$index, $type, $id], $options), null, $httpOptions)->send();
if ($response->getStatusCode() == 200 || $response->getStatusCode() == 404) {
return Json::decode($response->getBody(true));
} else {
throw new Exception('Elasticsearch request failed.');
}
}
/**
* gets a documents _source from the index (>=v0.90.1)
* @param $index
* @param $type
* @param $id
* @return mixed
* @see http://www.elasticsearch.org/guide/en/elasticsearch/reference/current/docs-get.html#_source
*/
public function getSource($index, $type, $id)
{
$response = $this->db->http()->head($this->createUrl([$index, $type, $id]))->send();
return Json::decode($response->getBody(true));
}
// TODO mget http://www.elasticsearch.org/guide/en/elasticsearch/reference/current/docs-multi-get.html
/**
* gets a document from the index
* @param $index
* @param $type
* @param $id
* @return mixed
* @see http://www.elasticsearch.org/guide/en/elasticsearch/reference/current/docs-get.html
*/
public function exists($index, $type, $id)
{
$response = $this->db->http()->head($this->createUrl([$index, $type, $id]))->send();
return $response->getStatusCode() == 200;
}
/**
* deletes a document from the index
* @param $index
* @param $type
* @param $id
* @param array $options
* @return mixed
* @see http://www.elasticsearch.org/guide/en/elasticsearch/reference/current/docs-delete.html
*/
public function delete($index, $type, $id, $options = [])
{
$response = $this->db->http()->delete($this->createUrl([$index, $type, $id], $options))->send();
return Json::decode($response->getBody(true));
}
/**
* updates a document
* @param $index
* @param $type
* @param $id
* @param array $options
* @return mixed
* @see http://www.elasticsearch.org/guide/en/elasticsearch/reference/current/docs-update.html
*/
public function update($index, $type, $id, $data, $options = [])
{
// TODO
$response = $this->db->http()->delete($this->createUrl([$index, $type, $id], $options))->send();
return Json::decode($response->getBody(true));
}
// TODO bulk http://www.elasticsearch.org/guide/en/elasticsearch/reference/current/docs-bulk.html
/**
* @see http://www.elasticsearch.org/guide/en/elasticsearch/reference/current/indices-create-index.html
*/
public function createIndex($index, $configuration = null)
{
$body = $configuration !== null ? Json::encode($configuration) : null;
$response = $this->db->http()->put($this->createUrl([$index]), null, $body)->send();
return Json::decode($response->getBody(true));
}
/**
* @see http://www.elasticsearch.org/guide/en/elasticsearch/reference/current/indices-delete-index.html
*/
public function deleteIndex($index)
{
$response = $this->db->http()->delete($this->createUrl([$index]))->send();
return Json::decode($response->getBody(true));
}
/**
* @see http://www.elasticsearch.org/guide/en/elasticsearch/reference/current/indices-delete-index.html
*/
public function deleteAllIndexes()
{
$response = $this->db->http()->delete($this->createUrl(['_all']))->send();
return Json::decode($response->getBody(true));
}
/**
* @see http://www.elasticsearch.org/guide/en/elasticsearch/reference/current/indices-exists.html
*/
public function indexExists($index)
{
$response = $this->db->http()->head($this->createUrl([$index]))->send();
return $response->getStatusCode() == 200;
}
/**
* @see http://www.elasticsearch.org/guide/en/elasticsearch/reference/current/indices-types-exists.html
*/
public function typeExists($index, $type)
{
$response = $this->db->http()->head($this->createUrl([$index, $type]))->send();
return $response->getStatusCode() == 200;
}
// TODO http://www.elasticsearch.org/guide/en/elasticsearch/reference/current/indices-aliases.html
// TODO http://www.elasticsearch.org/guide/en/elasticsearch/reference/current/indices-update-settings.html
// TODO http://www.elasticsearch.org/guide/en/elasticsearch/reference/current/indices-get-settings.html
// TODO http://www.elasticsearch.org/guide/en/elasticsearch/reference/current/indices-warmers.html
/**
* @see http://www.elasticsearch.org/guide/en/elasticsearch/reference/current/indices-open-close.html
*/
public function openIndex($index)
{
$response = $this->db->http()->post($this->createUrl([$index, '_open']))->send();
return $response->getStatusCode() == 200;
}
/**
* @see http://www.elasticsearch.org/guide/en/elasticsearch/reference/current/indices-open-close.html
*/
public function closeIndex($index)
{
$response = $this->db->http()->post($this->createUrl([$index, '_close']))->send();
return $response->getStatusCode() == 200;
}
/**
* @see http://www.elasticsearch.org/guide/en/elasticsearch/reference/current/indices-status.html
*/
public function getIndexStatus($index = '_all')
{
$response = $this->db->http()->get($this->createUrl([$index, '_status']))->send();
return Json::decode($response->getBody(true));
}
// TODO http://www.elasticsearch.org/guide/en/elasticsearch/reference/current/indices-stats.html
// http://www.elasticsearch.org/guide/en/elasticsearch/reference/current/indices-segments.html
/**
* @see http://www.elasticsearch.org/guide/en/elasticsearch/reference/current/indices-clearcache.html
*/
public function clearIndexCache($index)
{
$response = $this->db->http()->post($this->createUrl([$index, '_cache', 'clear']))->send();
return $response->getStatusCode() == 200;
}
/**
* @see http://www.elasticsearch.org/guide/en/elasticsearch/reference/current/indices-flush.html
*/
public function flushIndex($index = '_all')
{
$response = $this->db->http()->post($this->createUrl([$index, '_flush']))->send();
return $response->getStatusCode() == 200;
}
/**
* @see http://www.elasticsearch.org/guide/en/elasticsearch/reference/current/indices-refresh.html
*/
public function refreshIndex($index)
{
$response = $this->db->http()->post($this->createUrl([$index, '_refresh']))->send();
return $response->getStatusCode() == 200;
}
// TODO http://www.elasticsearch.org/guide/en/elasticsearch/reference/current/indices-optimize.html
// TODO http://www.elasticsearch.org/guide/en/elasticsearch/reference/current/indices-gateway-snapshot.html
/**
* http://www.elasticsearch.org/guide/en/elasticsearch/reference/current/indices-put-mapping.html
*/
public function setMapping($index, $type, $mapping)
{
$body = $mapping !== null ? Json::encode($mapping) : null;
$response = $this->db->http()->put($this->createUrl([$index, $type, '_mapping']), null, $body)->send();
return $response->getStatusCode() == 200;
}
/**
* http://www.elasticsearch.org/guide/en/elasticsearch/reference/current/indices-get-mapping.html
*/
public function getMapping($index = '_all', $type = '_all')
{
$response = $this->db->http()->get($this->createUrl([$index, $type, '_mapping']))->send();
return Json::decode($response->getBody(true));
}
/**
* http://www.elasticsearch.org/guide/en/elasticsearch/reference/current/indices-put-mapping.html
*/
public function deleteMapping($index, $type)
{
$response = $this->db->http()->delete($this->createUrl([$index, $type]))->send();
return $response->getStatusCode() == 200;
}
/**
* @see http://www.elasticsearch.org/guide/en/elasticsearch/reference/current/indices-get-field-mapping.html
*/
public function getFieldMapping($index, $type = '_all')
{
// TODO
$response = $this->db->http()->put($this->createUrl([$index, $type, '_mapping']))->send();
return Json::decode($response->getBody(true));
}
/**
* @see http://www.elasticsearch.org/guide/en/elasticsearch/reference/current/indices-analyze.html
*/
public function analyze($options, $index = null)
{
// TODO
$response = $this->db->http()->put($this->createUrl([$index, $type, '_mapping']))->send();
return Json::decode($response->getBody(true));
}
/**
* @see http://www.elasticsearch.org/guide/en/elasticsearch/reference/current/indices-templates.html
*/
public function createTemplate($name, $pattern, $settings, $mappings, $order = 0)
{
$body = Json::encode([
'template' => $pattern,
'order' => $order,
'settings' => (object) $settings,
'mappings' => (object) $settings,
]);
$response = $this->db->http()->put($this->createUrl(['_template', $name]), null, $body)->send();
return $response->getStatusCode() == 200;
}
/**
* @see http://www.elasticsearch.org/guide/en/elasticsearch/reference/current/indices-templates.html
*/
public function deleteTemplate($name)
{
$response = $this->db->http()->delete($this->createUrl(['_template', $name]))->send();
return $response->getStatusCode() == 200;
}
/**
* @see http://www.elasticsearch.org/guide/en/elasticsearch/reference/current/indices-templates.html
*/
public function getTemplate($name)
{
$response = $this->db->http()->get($this->createUrl(['_template', $name]))->send();
return Json::decode($response->getBody(true));
}
private function createUrl($path, $options = [])
{
$url = implode('/', array_map(function($a) {
return urlencode(is_array($a) ? implode(',', $a) : $a);
}, $path));
if (!empty($options)) {
$url .= '?' . http_build_query($options);
}
return $url;
}
}