<?php class AirQuality extends VirtualDeviceManager { private $city_sluig = "prague"; private $app_id = "53ccbc353bb0bd0b05515169a593b96c38d57c48"; private $api_uri = 'http://api.waqi.info/feed/%s/?token=%s'; // Your redirect uri private $virtual_device_name = "Air Quality"; private $subdevice_type = "air-quality"; function make() { try { if (DeviceManager::registeret($this->virtual_device_name)) { $deviceId = DeviceManager::getDeviceByToken($this->virtual_device_name)['device_id']; if (!$subDevice = SubDeviceManager::getSubDeviceByMaster($deviceId, $this->subdevice_type)) { SubDeviceManager::create($deviceId, $this->subdevice_type, ''); sleep(1); $subDevice = SubDeviceManager::getSubDeviceByMaster($deviceId, strtolower($this->subdevice_type)); } //if (!$this->fetchEnabled($deviceId,$subDevice['subdevice_id'])) die(); $finalUrl = sprintf($this->api_uri, $this->city_sluig, $this->app_id); $json = json_decode(Utilities::CallAPI('GET', $finalUrl, ''), true); RecordManager::create($deviceId, $this->subdevice_type, $json['data']['aqi']); } else { DeviceManager::create($this->virtual_device_name, $this->virtual_device_name, 'senzore-virtual'); DeviceManager::approved($this->virtual_device_name); } return 'sucessful'; } catch(Exception $e) { return 'exception: ' . $e->getMessage(); } } function translate($value){ if ($value < 50) { return 'Good'; } else if ($value > 51 && $value < 100) { return 'Moderate'; } else if ($value > 101 && $value < 150) { return 'Normal'; } else if ($value > 151 && $value < 200) { return 'Unhealthy'; } else if ($value > 201 && $value < 300) { return 'Very Unhealthy'; } else if ($value > 301 ) { return 'Hazardous'; } return ''; } }