LibreNMS/LibreNMS/DB/Eloquent.php

140 lines
4.3 KiB
PHP

<?php
/**
* Eloquent.php
*
* Class for managing Eloquent outside of Laravel
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* @package LibreNMS
* @link http://librenms.org
* @copyright 2018 Tony Murray
* @author Tony Murray <murraytony@gmail.com>
*/
namespace LibreNMS\DB;
use Dotenv\Dotenv;
use Illuminate\Database\Capsule\Manager as Capsule;
use Illuminate\Database\Events\StatementPrepared;
use Illuminate\Events\Dispatcher;
use LibreNMS\Util\Laravel;
class Eloquent
{
/** @var Capsule static reference to capsule */
private static $capsule;
public static function boot($options = [])
{
// boot Eloquent outside of Laravel
if (!Laravel::isBooted() && is_null(self::$capsule)) {
$install_dir = realpath(__DIR__ . '/../../');
(new Dotenv($install_dir))->load();
$db_config = include($install_dir . '/config/database.php');
$settings = $db_config['connections'][$db_config['default']];
// legacy connection override
if (!empty($options)) {
$fields = [
'host' => 'db_host',
'port' => 'db_port',
'database' => 'db_name',
'username' => 'db_user',
'password' => 'db_pass',
'unix_socket' => 'db_socket',
];
foreach ($fields as $new => $old) {
if (isset($options[$old])) {
$settings[$new] = $options[$old];
}
}
}
self::$capsule = new Capsule;
self::$capsule->addConnection($settings);
self::$capsule->setEventDispatcher(new Dispatcher());
self::$capsule->setAsGlobal();
self::$capsule->bootEloquent();
}
self::initLegacyListeners();
self::setStrictMode(false); // set non-strict mode if for legacy code
}
public static function initLegacyListeners()
{
if (self::isConnected()) {
// set FETCH_ASSOC for queries that required by setting the global variable $PDO_FETCH_ASSOC (for dbFacile)
self::DB()->getEventDispatcher()->listen(StatementPrepared::class, function ($event) {
global $PDO_FETCH_ASSOC;
if ($PDO_FETCH_ASSOC) {
$event->statement->setFetchMode(\PDO::FETCH_ASSOC);
}
});
}
}
/**
* Set the strict mode for the current connection (will not persist)
* @param bool $strict
*/
public static function setStrictMode($strict = true)
{
if (self::isConnected()) {
if ($strict) {
self::DB()->getPdo()->exec("SET sql_mode='ONLY_FULL_GROUP_BY,STRICT_TRANS_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_ENGINE_SUBSTITUTION'");
} else {
self::DB()->getPdo()->exec("SET sql_mode=''");
}
}
}
public static function isConnected()
{
try {
$conn = self::DB();
if ($conn) {
return !is_null($conn->getPdo());
}
} catch (\PDOException $e) {
return false;
}
return false;
}
/**
* Access the Database Manager for Fluent style queries. Like the Laravel DB facade.
*
* @return \Illuminate\Database\Connection
*/
public static function DB()
{
// check if Laravel is booted
if (Laravel::isBooted()) {
return \DB::connection();
}
if (is_null(self::$capsule)) {
return null;
}
return self::$capsule->getDatabaseManager()->connection();
}
}