121 lines
3.5 KiB
PHP
121 lines
3.5 KiB
PHP
<?php
|
|
/**
|
|
* @copyright Copyright (c) 2016, ownCloud, Inc.
|
|
*
|
|
* @author Andrew Brown <andrew@casabrown.com>
|
|
* @author Bart Visscher <bartv@thisnet.nl>
|
|
* @author Christoph Wurst <christoph@winzerhof-wurst.at>
|
|
* @author Jörn Friedrich Dreyer <jfd@butonic.de>
|
|
* @author Morris Jobke <hey@morrisjobke.de>
|
|
* @author Robin Appelman <robin@icewind.nl>
|
|
* @author Roeland Jago Douma <roeland@famdouma.nl>
|
|
*
|
|
* @license AGPL-3.0
|
|
*
|
|
* This code is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU Affero General Public License, version 3,
|
|
* as published by the Free Software Foundation.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU Affero General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Affero General Public License, version 3,
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>
|
|
*
|
|
*/
|
|
|
|
namespace OC;
|
|
|
|
use OCP\ISearch;
|
|
use OCP\Search\PagedProvider;
|
|
use OCP\Search\Provider;
|
|
|
|
/**
|
|
* 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, $providerResults);
|
|
}
|
|
} else {
|
|
\OC::$server->getLogger()->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);
|
|
}
|
|
}
|
|
}
|