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<?php
/**
* SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
* SPDX-FileCopyrightText: 2016 ownCloud, Inc.
* SPDX-License-Identifier: AGPL-3.0-only
*/
namespace OC;
use OCP\ISearch;
use OCP\Search\PagedProvider;
use OCP\Search\Provider;
use Psr\Log\LoggerInterface;
/**
* Provide an interface to all search providers
*/
class Search implements ISearch {
/** @var Provider[] */
private $providers = [];
private $registeredProviders = [];
/**
* Search all providers for $query
* @param string $query
* @param string[] $inApps optionally limit results to the given apps
* @param int $page pages start at page 1
* @param int $size, 0 = all
* @return array An array of OC\Search\Result's
*/
public function searchPaged($query, array $inApps = [], $page = 1, $size = 30) {
$this->initProviders();
$results = [];
foreach ($this->providers as $provider) {
if (! $provider->providesResultsFor($inApps)) {
continue;
}
if ($provider instanceof PagedProvider) {
$results = array_merge($results, $provider->searchPaged($query, $page, $size));
} elseif ($provider instanceof Provider) {
$providerResults = $provider->search($query);
if ($size > 0) {
$slicedResults = array_slice($providerResults, ($page - 1) * $size, $size);
$results = array_merge($results, $slicedResults);
} else {
$results = array_merge($results, $providerResults);
}
} else {
\OCP\Server::get(LoggerInterface::class)->warning('Ignoring Unknown search provider', ['provider' => $provider]);
}
}
return $results;
}
/**
* Remove all registered search providers
*/
public function clearProviders() {
$this->providers = [];
$this->registeredProviders = [];
}
/**
* Remove one existing search provider
* @param string $provider class name of a OC\Search\Provider
*/
public function removeProvider($provider) {
$this->registeredProviders = array_filter(
$this->registeredProviders,
function ($element) use ($provider) {
return ($element['class'] != $provider);
}
);
// force regeneration of providers on next search
$this->providers = [];
}
/**
* Register a new search provider to search with
* @param string $class class name of a OC\Search\Provider
* @param array $options optional
*/
public function registerProvider($class, array $options = []) {
$this->registeredProviders[] = ['class' => $class, 'options' => $options];
}
/**
* Create instances of all the registered search providers
*/
private function initProviders() {
if (! empty($this->providers)) {
return;
}
foreach ($this->registeredProviders as $provider) {
$class = $provider['class'];
$options = $provider['options'];
$this->providers[] = new $class($options);
}
}
}
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