Initial commit: ws_vatcheck at v1.0.3

Includes the fix for the GR/EL VAT prefix bug that broke exemption for every Greek VAT number (in_array-on-values vs array_key_exists in CacheTaxManager/VatNumber, plus the missing use import in EuValidatorAdapter). Adds IMPROVEMENTS.txt with a checklist of features adopted from comparing against the vatchecker module (offline-fallback policy, failure logging, company-name check, configurable EU country list, per-product exclusion, GB/XI mapping, AJAX live validation, address-priority strategy). Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
2026-09-11 16:01:41 +02:00
parent 4c181ea0a7
commit 451817f2e1
47 changed files with 3432 additions and 0 deletions
@@ -0,0 +1,129 @@
+<?php
+
+namespace Websmid\VatCheck\Model;
+
+use Websmid\VatCheck\Config\Config;
+use Context;
+
+class VatNumber
+{
+	private $vatNumber;
+
+	private $isoCode;
+
+	private $errorMessage = '';
+
+	public static $euIso = [
+        'AT' => 'AT',
+        'BE' => 'BE',
+        'DK' => 'DK',
+        'FI' => 'FI',
+        'FR' => 'FR',
+        'FX' => 'FR',
+        'DE' => 'DE',
+        'GR' => 'EL',
+        'IE' => 'IE',
+        'IT' => 'IT',
+        'LU' => 'LU',
+        'NL' => 'NL',
+        'PT' => 'PT',
+        'ES' => 'ES',
+        'SE' => 'SE',
+        'CY' => 'CY',
+        'EE' => 'EE',
+        'HU' => 'HU',
+        'LV' => 'LV',
+        'LT' => 'LT',
+        'MT' => 'MT',
+        'PL' => 'PL',
+        'SK' => 'SK',
+        'CZ' => 'CZ',
+        'SI' => 'SI',
+        'RO' => 'RO',
+        'BG' => 'BG',
+        'HR' => 'HR',
+    ];
+
+    private $isoPattern = [
+    	'AT' => 'U[A-Z\d]{8}',
+        'BE' => '[0|1]{1}\d{9}',
+        'BG' => '\d{9,10}',
+        'CY' => '\d{8}[A-Z]',
+        'CZ' => '\d{8,10}',
+        'DE' => '\d{9}',
+        'DK' => '(\d{2} ?){3}\d{2}',
+        'EE' => '\d{9}',
+        'GR' => '\d{9}',
+        'ES' => '[A-Z]\d{7}[A-Z]|\d{8}[A-Z]|[A-Z]\d{8}',
+        'FI' => '\d{8}',
+        'FR' => '([A-Z0-9]{2})\d{9}',
+        'FX' => '([A-Z0-9]{2})\d{9}',
+        'HR' => '\d{11}',
+        'HU' => '\d{8}',
+        'IE' => '[A-Z\d]{8}|[A-Z\d]{9}',
+        'IT' => '\d{11}',
+        'LT' => '(\d{9}|\d{12})',
+        'LU' => '\d{8}',
+        'LV' => '\d{11}',
+        'MT' => '\d{8}',
+        'NL' => '\d{9}B\d{2}',
+        'PL' => '\d{10}',
+        'PT' => '\d{9}',
+        'RO' => '\d{2,10}',
+        'SE' => '\d{12}',
+        'SI' => '\d{8}',
+        'SK' => '\d{10}',
+    ];
+
+	public function __construct(
+		string $rawVatNumber,
+		string $rawIsoCode
+	) {
+		$this->vatNumber = $this->commonFormatVatNumber($rawVatNumber);
+
+		$this->isoCode = strtoupper($rawIsoCode);
+
+		$this->validateVatNr();
+	}
+
+	protected function validateVatNr()
+	{
+		$vatPrefix = self::$euIso[$this->isoCode] ?? $this->isoCode;
+
+		if( substr($this->vatNumber, 0, 2) != $vatPrefix ){
+			$this->errorMessage = Context::getContext()->getTranslator()->trans('ISO in VAT number doesn\'t seem to match selected country', [], 'Modules.Ws_VatCheck.Front');
+		}
+
+		$trimmedVat = str_replace($vatPrefix, '', $this->vatNumber);
+		$isoPattern = $this->isoPattern[$this->isoCode];
+
+		if( !preg_match('/^(?:'.$isoPattern.')$/', $trimmedVat) ){
+			$this->errorMessage = Context::getContext()->getTranslator()->trans('VAT number doesn\'t seem to be valid', [], 'Modules.Ws_VatCheck.Front');
+		}
+	}
+
+	public function getFormattedVat()
+	{
+		return $this->vatNumber;
+	}
+
+	public function hasErrors()
+	{
+		return !empty($this->errorMessage);
+	}
+
+	public function isNotEuIso()
+	{
+		return !array_key_exists($this->isoCode, self::$euIso);
+	}
+
+	private function commonFormatVatNumber(string $rawVatNumber)
+	{
+		return strtoupper(preg_replace('/[ .]/', '', $rawVatNumber));
+	}
+
+	public function getErrorMessage()
+	{
+		return $this->errorMessage;
+	}
+}