feat(main): Log VIES failures and support Northern Ireland VAT numbers

src/Adapter/EuValidatorAdapter.php

@@ -7,6 +7,7 @@ use PH7\Eu\Vat\Provider\Europa;
 use PH7\Eu\Vat\Exception;
 use Websmid\VatCheck\Config\Config;
 use Websmid\VatCheck\Model\VatCache;
+use PrestaShopLogger;
 
 class EuValidatorAdapter
 {   
@@ -27,6 +28,16 @@ class EuValidatorAdapter
         try {
             $euVatValidator = new Validator(new Europa, $this->vatNr, $this->isoCode);
         } catch(Exception $e){
+            PrestaShopLogger::addLog(
+                sprintf(
+                    'ws_vatcheck: VIES check failed for VAT number %s%s: %s',
+                    $this->isoCode,
+                    $this->vatNr,
+                    $e->getMessage()
+                ),
+                3
+            );
+
             return false;
         }
 

src/Model/VatNumber.php

@@ -21,6 +21,7 @@ class VatNumber
         'FR' => 'FR',
         'FX' => 'FR',
         'DE' => 'DE',
+        'GB' => 'XI',
         'GR' => 'EL',
         'IE' => 'IE',
         'IT' => 'IT',
@@ -53,6 +54,7 @@ class VatNumber
         'DE' => '\d{9}',
         'DK' => '(\d{2} ?){3}\d{2}',
         'EE' => '\d{9}',
+        'GB' => '\d{9}(\d{3})?|[A-Z]{2}\d{3}',
         'GR' => '\d{9}',
         'ES' => '[A-Z]\d{7}[A-Z]|\d{8}[A-Z]|[A-Z]\d{8}',
         'FI' => '\d{8}',