Added possibility to create marketplace by marketplace id (#219)

Author: owsiakl

src/AmazonPHP/SellingPartner/Marketplace.php

@@ -179,6 +179,20 @@ public static function fromCountry(string $countryCode) : self
         }
     }
 
+    /**
+     * @throws InvalidArgumentException
+     */
+    public static function fromId(string $marketplaceId) : self
+    {
+        foreach (self::$countryMap as $countryCode => $item) {
+            if (\strtoupper($marketplaceId) === $item['id']) {
+                return new self($item['name'], $item['id'], $countryCode, $item['region'], $item['url']);
+            }
+        }
+
+        throw new InvalidArgumentException("Unexpected marketplace id {$marketplaceId}");
+    }
+
     /**
      * @return array<self>
      */

tests/AmazonPHP/SellingPartner/Tests/Unit/MarketplaceTest.php

@@ -11,15 +11,18 @@
 final class MarketplaceTest extends TestCase
 {
     private array $countries;
+    private array $marketplaceIds;
 
     protected function setUp() : void
     {
         $this->countries = $this->getMarketplaceCountries();
+        $this->marketplaceIds = $this->getMarketplaceIds();
     }
 
     protected function tearDown() : void
     {
         $this->countries = [];
+        $this->marketplaceIds = [];
     }
 
     public function test_initialization_from_static_methods() : void
@@ -42,6 +45,16 @@ public function test_initialization_from_country_code() : void
         Marketplace::fromCountry('XX');
     }
 
+    public function test_initialization_from_id() : void
+    {
+        foreach ($this->marketplaceIds as $marketplaceId) {
+            $this->assertInstanceOf(Marketplace::class, Marketplace::fromId($marketplaceId));
+        }
+
+        $this->expectException(InvalidArgumentException::class);
+        Marketplace::fromId('XX');
+    }
+
     public function test_all_method_returns_correct_marketplaces() : void
     {
         $all = Marketplace::all();
@@ -60,4 +73,11 @@ private function getMarketplaceCountries() : array
 
         return \array_keys($class->getStaticPropertyValue('countryMap'));
     }
+
+    private function getMarketplaceIds() : array
+    {
+        $class = new \ReflectionClass(Marketplace::class);
+
+        return \array_column($class->getStaticPropertyValue('countryMap'), 'id');
+    }
 }