Files
monica/app/Services/Instance/Weather/GetWeatherInformation.php
T

145 lines
3.8 KiB
PHP

<?php
namespace App\Services\Instance\Weather;
use Illuminate\Support\Str;
use App\Models\Account\Place;
use App\Services\BaseService;
use function Safe\json_decode;
use App\Models\Account\Weather;
use Illuminate\Support\Facades\Log;
use GuzzleHttp\Client as GuzzleClient;
use GuzzleHttp\Exception\ClientException;
use App\Exceptions\MissingEnvVariableException;
use App\Services\Instance\Geolocalization\GetGPSCoordinate;
class GetWeatherInformation extends BaseService
{
protected $client;
/**
* Get the validation rules that apply to the service.
*
* @return array
*/
public function rules()
{
return [
'place_id' => 'required|integer|exists:places,id',
];
}
/**
* Get the weather information.
*
* @param array $data
* @param GuzzleClient $client the Guzzle client, only needed when unit testing
* @return Weather|null
* @throws \Illuminate\Validation\ValidationException if the array that is given in parameter is not valid
* @throws \App\Exceptions\MissingEnvVariableException if the weather services are not enabled
* @throws \Illuminate\Database\Eloquent\ModelNotFoundException if the Place object is not found
* @throws \GuzzleHttp\Exception\ClientException if the request to Darksky crashed
*/
public function execute(array $data, GuzzleClient $client = null)
{
$this->validateWeatherEnvVariables();
$this->validate($data);
$place = Place::findOrFail($data['place_id']);
if (is_null($place->latitude)) {
$place = $this->fetchGPS($place);
if (is_null($place)) {
return;
}
}
if (! is_null($client)) {
$this->client = $client;
} else {
$this->client = new GuzzleClient();
}
return $this->query($place);
}
/**
* Make sure that weather env variables are set.
*
* @return void
*/
private function validateWeatherEnvVariables()
{
if (! config('monica.enable_weather')) {
throw new MissingEnvVariableException();
}
if (is_null(config('monica.darksky_api_key'))) {
throw new MissingEnvVariableException();
}
}
/**
* Actually make the call to Darksky.
*
* @param Place $place
* @return Weather|null
* @throws \Exception
*/
private function query(Place $place)
{
$query = $this->buildQuery($place);
try {
$response = $this->client->request('GET', $query);
$response = json_decode($response->getBody());
$weather = new Weather();
$weather->weather_json = $response;
$weather->account_id = $place->account_id;
$weather->place_id = $place->id;
$weather->save();
return $weather;
} catch (ClientException $e) {
Log::error('Error making the call: '.$e);
}
}
/**
* Prepare the query that will be send to Darksky.
*
* @param Place $place
* @return string
*/
private function buildQuery(Place $place)
{
$url = Str::finish(config('location.darksky_url'), '/');
$key = config('monica.darksky_api_key');
$coords = $place->latitude.','.$place->longitude;
$query = http_build_query([
'exclude' => 'alerts,minutely,hourly,daily,flags',
'units' => 'si',
]);
return $url.$key.'/'.$coords.'?'.$query;
}
/**
* Fetch missing longitude/latitude.
*
* @param Place $place
* @return Place|null
*/
private function fetchGPS(Place $place)
{
return app(GetGPSCoordinate::class)->execute([
'account_id' => $place->account_id,
'place_id' => $place->id,
]);
}
}