mirror of
https://github.com/ConnectedHumber/Air-Quality-Web
synced 2024-11-27 07:03:01 +00:00
97 lines
2.9 KiB
PHP
97 lines
2.9 KiB
PHP
<?php
|
|
|
|
namespace AirQuality\Actions;
|
|
|
|
use \SBRL\TomlConfig;
|
|
use \AirQuality\Repositories\IDeviceRepository;
|
|
use \AirQuality\Repositories\IMeasurementTypeRepository;
|
|
use \AirQuality\ApiResponseSender;
|
|
|
|
use \AirQuality\Validator;
|
|
|
|
|
|
/**
|
|
* Action that lists the devices near a given location.
|
|
*/
|
|
class ListDevicesNear implements IAction {
|
|
/** @var TomlConfig */
|
|
private $settings;
|
|
/** @var \SBRL\PerformanceCounter */
|
|
private $perfcounter;
|
|
|
|
/** @var IDeviceRepository */
|
|
private $device_repo;
|
|
|
|
/** @var IMeasurementTypeRepository */
|
|
private $type_repo;
|
|
|
|
/** @var ApiResponseSender */
|
|
private $sender;
|
|
|
|
/** @var Validator */
|
|
private $validator_get;
|
|
/** @var Validator */
|
|
private $validator_post;
|
|
|
|
public function __construct(
|
|
TomlConfig $in_settings,
|
|
IDeviceRepository $in_device_repo,
|
|
ApiResponseSender $in_sender,
|
|
\SBRL\PerformanceCounter $in_perfcounter) {
|
|
$this->settings = $in_settings;
|
|
$this->device_repo = $in_device_repo;
|
|
$this->sender = $in_sender;
|
|
$this->perfcounter = $in_perfcounter;
|
|
|
|
$this->validator_get = new Validator($_GET);
|
|
$this->validator_post = new Validator($_POST);
|
|
}
|
|
|
|
public function handle() : bool {
|
|
global $start_time;
|
|
|
|
if(strtolower($_SERVER["REQUEST_METHOD"]) !== "post") {
|
|
$this->sender->send_error_plain(405, "Error: The devices-near action only takes a POST request, but you sent a {$_SERVER["REQUEST_METHOD"]} request. The parameters 'longitude' and 'latitude' should be specified in the POST body, and 'count' as a regular GET parameter.\nExample POST body (without quotes): 'latitude=12.345678&longitude=98.765432'\nDon't forget that the content-type header should be set to 'application/x-www-form-urlencoded'.", [
|
|
[ "x-time-taken", $this->perfcounter->render() ]
|
|
]);
|
|
return false;
|
|
}
|
|
|
|
// 1: Validate params
|
|
$this->validator_get->is_numberish("count");
|
|
$this->validator_get->run();
|
|
|
|
$this->validator_post->is_numberish("latitude");
|
|
$this->validator_post->is_numberish("longitude");
|
|
$this->validator_post->run();
|
|
|
|
|
|
// 2: Pull data from database
|
|
$this->perfcounter->start("sql");
|
|
$data = $this->device_repo->get_near_location(
|
|
floatval($_POST["latitude"]),
|
|
floatval($_POST["longitude"]),
|
|
intval($_GET["count"])
|
|
);
|
|
$this->perfcounter->end("sql");
|
|
|
|
// 3: Serialise data
|
|
$this->perfcounter->start("encode");
|
|
$response = json_encode($data);
|
|
$this->perfcounter->end("encode");
|
|
|
|
// 4: Send response
|
|
|
|
// Send a cache-control header, but only in production mode
|
|
// FUTURE: Move last-seen to a different API call if caching becomes critically important?
|
|
if($this->settings->get("env.mode") == "production") {
|
|
header("cache-control: public, max-age=" . $this->settings->get("cache.max-age-supershort"));
|
|
}
|
|
|
|
header("content-length: " . strlen($response));
|
|
header("content-type: application/json");
|
|
header("x-time-taken: " . $this->perfcounter->render());
|
|
echo($response);
|
|
return true;
|
|
}
|
|
}
|