Files
Jump/jumpapp/classes/API/Weather.php
2022-07-19 16:38:55 +01:00

75 lines
3.0 KiB
PHP

<?php
/**
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*
* @author Dale Davies <dale@daledavies.co.uk>
* @copyright Copyright (c) 2022, Dale Davies
* @license MIT
*/
namespace Jump\API;
class Weather extends AbstractAPI {
public function get_output(): string {
$this->validate_token();
// Start of variables we want to use.
$owmapiurlbase = 'https://api.openweathermap.org/data/2.5/weather';
$units = $this->config->parse_bool($this->config->get('metrictemp')) ? 'metric' : 'imperial';
// If we have either lat or lon query params then cast them to a float, if not then
// set the values to zero.
$lat = isset($this->routeparams['lat']) ? (float) $this->routeparams['lat'] : 0;
$lon = isset($this->routeparams['lon']) ? (float) $this->routeparams['lon'] : 0;
// Use the lat and lon values provided unless they are zero, this might mean that
// either they werent provided as query params or they couldn't be cast to a float.
// If they are zero then use the default latlong from config.
$latlong = [$lat, $lon];
if ($lat === 0 || $lon === 0) {
$latlong = explode(',', $this->config->get('latlong', false));
}
// This is the API endpoint and params we are using for the query,
$url = $owmapiurlbase
.'?units=' . $units
.'&lat=' . $latlong[0]
.'&lon=' . $latlong[1]
.'&appid=' . $this->config->get('owmapikey', false);
// Use the cache to store/retrieve data, make an md5 hash of latlong so it is not possible
// to track location history form the stored cache.
$weatherdata = $this->cache->load(cachename: 'weatherdata', key: md5(json_encode($latlong)), callback: function() use ($url) {
// Ask the API for some data.
$ch = curl_init();
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);
curl_setopt($ch, CURLOPT_FAILONERROR, true);
$response = curl_exec($ch);
// Just in case something went wrong with the request we'll capture the error.
if (curl_errno($ch)) {
$curlerror = curl_error($ch);
}
curl_close($ch);
// If we had an error then return the error message and exit, otherwise return the API response.
if (isset($curlerror)) {
http_response_code(400);
die(json_encode(['error' => $curlerror]));
}
return $response;
});
// We made it here so return the API response as a json string.
return $weatherdata;
}
}