/**
* Get a list of all projects.
* @return array
*/
public function getProjects()
{
$agg = new Terms('projects');
$agg->setField('project');
$agg->setSize(0);
$agg->setShardSize(0);
$agg->setOrder('_term', 'asc');
$query = new Query();
$query->addAggregation($agg);
$res = $this->doSearch($query)->getAggregation('projects');
return array_map(function ($b) {
return $b['key'];
}, $res['buckets']);
}
