Monitor\Service\ServerHistory

Complexity

Total Complexity

6

Size/Duplication

Total Lines	85
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	3

Importance

Changes	3
Bugs	0	Features	2

5 Methods

Rating	Name	Duplication	Size	Complexity
A	__construct()	0	4	1
A	save()	0	5	1
A	deleteRecordsByTime()	0	7	1
A	getTableStructure()	0	10	2
B	addServerHistory()	0	26	1

<?php
namespace Monitor\Service;

use Monitor\Model\ServerHistory as ServerHistoryModel;
use Doctrine\ORM\EntityManager;

class ServerHistory
{

    /**
     * @var \Doctrine\ORM\EntityManager
     */
    private $em;

    public function __construct(EntityManager $em)

You have injected the EntityManager via parameter $em. This is generally not recommended as it might get closed and become unusable. Instead, it is recommended to inject the ManagerRegistry and retrieve the EntityManager via getManager() each time you need it.

    {
        $this->em = $em;
    }

    /**
     * Save server history
     *
     * @param \Monitor\Model\ServerHistory $serverHistory
     */
    public function save(ServerHistoryModel $serverHistory)
    {
        $this->em->persist($serverHistory);
        $this->em->flush();
    }

    /**
     * Delete old server history records by specifing time
     *
     * @param int $time
     */
    public function deleteRecordsByTime($time)
    {
        $query = $this->em
            ->createQuery('DELETE from \Monitor\Model\ServerHistory s where s.time < ?1');
        $query->setParameter('1', $time);
        $query->execute();
    }

    /**
     * Get 'servers_history' table structure
     *
     * @return array $properties
     */
    public function getTableStructure()
    {
        $reflection = new \ReflectionClass(new \Monitor\Model\ServerHistory);
        $properties = [];
        foreach ($reflection->getProperties() as $property) {
            $properties[] = $property->name;
        }
        unset($properties['id']);
        return $properties;
    }

    /**
     * Store server history
     *
     * @param array $server
     */
    public function addServerHistory(array $server)
    {
        $serverHistory = new ServerHistoryModel;
        $serverHistory->setServerId($server['server_id']);
        $serverHistory->setHostname($server['hostname']);
        $serverHistory->setStatus($server['status']);
        $serverHistory->setSysLoad($server['sys_load']);
        $serverHistory->setCpuCores($server['cpu_cores']);
        $serverHistory->setMemoryUsage($server['memory_usage']);
        $serverHistory->setMemoryTotal($server['memory_total']);
        $serverHistory->setMemoryFree($server['memory_free']);
        $serverHistory->setDiskFree($server['disk_free']);
        $serverHistory->setDiskTotal($server['disk_total']);
        $serverHistory->setDiskUsage($server['disk_usage']);
        $serverHistory->setPing($server['ping']);
        $serverHistory->setMysqlSlowQuery($server['mysql_slow_query']);
        $serverHistory->setMysqlQueryAvg($server['mysql_query_avg']);
        $serverHistory->setMemcacheHits($server['memcache_hits']);
        $serverHistory->setMemcacheMiss($server['memcache_miss']);
        $serverHistory->setMemcacheGet($server['memcache_get']);
        $serverHistory->setMemcacheCmd($server['memcache_cmd']);
        $serverHistory->setMemcacheBytes($server['memcache_bytes']);
        $serverHistory->setMemcacheMaxBytes($server['memcache_max_bytes']);
        $serverHistory->setTime(time());
        $this->save($serverHistory);
    }
}