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<?php
/**
* @author Joas Schilling <coding@schilljs.com>
*
* @copyright Copyright (c) 2016, ownCloud, Inc.
* @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 OCA\Survey_Client\Categories;
use OCP\IDBConnection;
use OCP\IL10N;
/**
* Class Stats
*
* @package OCA\Survey_Client\Categories
*/
class Stats implements ICategory {
/** @var IDBConnection */
protected $connection;
/** @var \OCP\IL10N */
protected $l;
/**
* @param IDBConnection $connection
* @param IL10N $l
*/
public function __construct(IDBConnection $connection, IL10N $l) {
$this->connection = $connection;
$this->l = $l;
}
/**
* @return string
*/
public function getCategory() {
return 'stats';
}
/**
* @return string
*/
public function getDisplayName() {
return (string) $this->l->t('Statistic <em>(number of: Files, users, storages per type, comments and tags)</em>');
}
/**
* @return array (string => string|int)
*/
public function getData() {
return [
'num_files' => $this->countEntries('filecache'),
'num_users' => $this->countUserEntries(),
'num_storages' => $this->countEntries('storages'),
'num_storages_local' => $this->countStorages('local'),
'num_storages_home' => $this->countStorages('home'),
'num_storages_other' => $this->countStorages('other'),
'num_comments' => $this->countEntries('comments'),
'num_comment_markers' => $this->countEntries('comments_read_markers', 'user_id'),
'num_systemtags' => $this->countEntries('systemtag'),
'num_systemtags_mappings' => $this->countEntries('systemtag_object_mapping'),
];
}
/**
* @return int
*/
protected function countUserEntries() {
$query = $this->connection->getQueryBuilder();
$query->selectAlias($query->createFunction('COUNT(*)'), 'num_entries')
->from('preferences')
->where($query->expr()->eq('configkey', $query->createNamedParameter('lastLogin')));
$result = $query->execute();
$row = $result->fetch();
$result->closeCursor();
return (int) $row['num_entries'];
}
/**
* @param string $type
* @return int
*/
protected function countStorages($type) {
$query = $this->connection->getQueryBuilder();
$query->selectAlias($query->createFunction('COUNT(*)'), 'num_entries')
->from('storages');
if ($type === 'home') {
$query->where($query->expr()->like('id', $query->createNamedParameter('home::%')));
} else if ($type === 'local') {
$query->where($query->expr()->like('id', $query->createNamedParameter('local::%')));
} else if ($type === 'other') {
$query->where($query->expr()->notLike('id', $query->createNamedParameter('home::%')));
$query->andWhere($query->expr()->notLike('id', $query->createNamedParameter('local::%')));
}
$result = $query->execute();
$row = $result->fetch();
$result->closeCursor();
return (int) $row['num_entries'];
}
/**
* @param string $tableName
* @param string $column
* @return int
*/
protected function countEntries($tableName, $column = '*') {
if ($column !== '*') {
$column = 'DISTINCT(' . $column . ')';
}
$query = $this->connection->getQueryBuilder();
$query->selectAlias($query->createFunction('COUNT(' . $column . ')'), 'num_entries')
->from($tableName);
$result = $query->execute();
$row = $result->fetch();
$result->closeCursor();
return (int) $row['num_entries'];
}
}
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