Replace static Currencies.php with league/iso3166 package

Use league/iso3166 for country-to-currency mapping instead of maintaining
a static array. This ensures currency data stays up-to-date via the
well-maintained ISO 3166-1 package from The PHP League.

Author: alies-dev

composer.json

@@ -16,7 +16,8 @@
         "ext-curl": "*",
         "illuminate/cache": "^12.0 || ^13.0",
         "illuminate/console": "^12.0 || ^13.0",
-        "illuminate/support": "^12.0 || ^13.0"
+        "illuminate/support": "^12.0 || ^13.0",
+        "league/iso3166": "^4.0"
     },
     "require-dev": {
         "friendsofphp/php-cs-fixer": "^3.50",

src/GeoIP.php

@@ -6,6 +6,8 @@
 
 use Illuminate\Support\Arr;
 use Illuminate\Cache\CacheManager;
+use League\ISO3166\Exception\OutOfBoundsException;
+use League\ISO3166\ISO3166;
 
 /**
  * @psalm-import-type LocationArray from \InteractionDesignFoundation\GeoIP\Location
@@ -19,13 +21,6 @@ class GeoIP
      */
     protected $location = null;
 
-    /**
-     * Currency data.
-     *
-     * @var array<string, string>|null
-     */
-    protected $currencies = null;
-
     /**
      * GeoIP service instance.
      *
@@ -162,11 +157,17 @@ private function find(?string $ip = null): Location
      */
     public function getCurrency($iso)
     {
-        if ($this->currencies === null && $this->config('include_currency', false)) {
-            $this->currencies = include(__DIR__ . '/Support/Currencies.php');
+        if (! $this->config('include_currency', false)) {
+            return null;
         }
 
-        return Arr::get($this->currencies, $iso);
+        try {
+            $country = (new ISO3166())->alpha2($iso);
+
+            return $country['currency'][0] ?? null;
+        } catch (OutOfBoundsException) {
+            return null;
+        }
     }
 
     /**