118 lines
2.8 KiB
PHP
118 lines
2.8 KiB
PHP
<?php
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/**
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* Device.php
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*
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* -Description-
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* @package LibreNMS
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* @link http://librenms.org
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* @copyright 2019 Tony Murray
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* @author Tony Murray <murraytony@gmail.com>
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*/
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namespace LibreNMS\Cache;
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class Device
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{
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private $devices = [];
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private $primary;
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/**
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* Gets the current primary device.
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*
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* @return \App\Models\Device
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*/
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public function getPrimary() : \App\Models\Device
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{
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return $this->get($this->primary);
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}
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/**
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* Set the primary device.
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* This will be fetched by getPrimary()
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*
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* @param int $device_id
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*/
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public function setPrimary($device_id)
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{
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$this->primary = $device_id;
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}
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/**
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* Get a device by device_id
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*
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* @param int $device_id
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* @return \App\Models\Device
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*/
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public function get($device_id) : \App\Models\Device
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{
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if (!array_key_exists($device_id, $this->devices)) {
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return $this->load($device_id);
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}
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return $this->devices[$device_id] ?: new \App\Models\Device;
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}
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/**
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* Get a device by hostname
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*
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* @param string $hostname
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* @return \App\Models\Device
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*/
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public function getByHostname($hostname) : \App\Models\Device
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{
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$device_id = collect($this->devices)->pluck('device_id', 'hostname')->get($hostname);
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if (!$device_id) {
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return $this->load($hostname, 'hostname');
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}
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return $this->devices[$device_id] ?: new \App\Models\Device;
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}
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/**
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* Ignore cache and load the device fresh from the database
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*
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* @param int $device_id
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* @return \App\Models\Device
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*/
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public function refresh($device_id) : \App\Models\Device
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{
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unset($this->devices[$device_id]);
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return $this->get($device_id);
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}
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/**
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* Flush the cache
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*/
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public function flush()
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{
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$this->devices = [];
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}
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private function load($value, $field = 'device_id')
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{
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$device = \App\Models\Device::query()->where($field, $value)->first();
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if (!$device) {
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return new \App\Models\Device;
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}
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$this->devices[$device->device_id] = $device;
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return $device;
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}
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}
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