Return null instead of throwing
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@@ -15,17 +15,20 @@ class Geocoder
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public function __construct(private HttpClientInterface $client) {}
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public function __construct(private HttpClientInterface $client) {}
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/**
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/**
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* Convert a postcode into latitude and longitude
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* Convert a postcode into latitude and longitude. Returns null if conversion failed.
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*
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*
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* @param string $postcode
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* @param string $postcode
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* @return LatLongModel
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* @return null|LatLongModel
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*/
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*/
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public function geocodePostcode(string $postcode): LatLongModel
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public function geocodePostcode(string $postcode): ?LatLongModel
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{
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{
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$client = $this->createClient();
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$client = $this->createClient();
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$response = $this->makeApiRequest($client, $postcode);
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$response = $this->makeApiRequest($client, $postcode);
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$data = $this->getDataFromResponse($response);
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$data = $this->getDataFromResponse($response);
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$this->throwIfDataIsEmpty($data);
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if (empty($data)) {
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return null;
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}
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return $this->createLatLongModel($data);
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return $this->createLatLongModel($data);
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}
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}
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@@ -56,12 +59,6 @@ class Geocoder
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return $response->toArray(false);
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return $response->toArray(false);
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}
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}
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private function throwIfDataIsEmpty(array $data): void
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{
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if (empty($data))
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throw new \Exception("No data was received from API response! Were the arguments valid?");
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}
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private function createLatLongModel(array $data): LatLongModel
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private function createLatLongModel(array $data): LatLongModel
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{
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{
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$lat = $this->getLatitudeFromData($data);
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$lat = $this->getLatitudeFromData($data);
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@@ -33,11 +33,10 @@ class GeocodeTest extends KernelTestCase
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$this->assertInstanceOf(Geocoder::class, $this->geocoder);
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$this->assertInstanceOf(Geocoder::class, $this->geocoder);
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}
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}
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public function testGeocodePostcodeThrowsOnInvalidInput(): void
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public function testGeocodePostcodeReturnsNullOnInvalidInput(): void
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{
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{
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sleep(1);
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sleep(1);
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$this->expectException(\Exception::class);
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$this->assertNull($this->geocoder->geocodePostcode(''));
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$this->geocoder->geocodePostcode('aaaaaaaa');
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}
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}
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public function testGeocodePostcodeReturnsLatLonModel(): void
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public function testGeocodePostcodeReturnsLatLonModel(): void
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