Add expression to return correct format for product association in Pr…

…oductMedialFile endpoint

src/AkeneoBuilderProvider.php

@@ -17,6 +17,7 @@ public function getFunctions(): array
             new WithReferenceEntitySimpleOption('withReferenceEntitySimpleOption'),
             new WithSimpleOption('withSimpleOption'),
             new WithMultipleOption('withMultipleOption'),
+            new WithProductValueMediaFile('withProductValueMediaFile'),
         ];
     }
 }

src/WithProductValueMediaFile.php

@@ -0,0 +1,44 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Kiboko\Component\ExpressionLanguage\Akeneo;
+
+use Symfony\Component\ExpressionLanguage\ExpressionFunction;
+
+final class WithProductValueMediaFile extends ExpressionFunction
+{
+    public function __construct($name)
+    {
+        parent::__construct(
+            $name,
+            $this->compile(...)->bindTo($this),
+            $this->evaluate(...)->bindTo($this)
+        );
+    }
+
+    private function compile(string $code, string $attribute, string $locale = 'null', string $scope = 'null'): string
+    {
+        return <<<PHP
+            ([
+                'identifier' => ({$code}),
+                'attribute' => ({$attribute}),
+                'locale' => {$locale},
+                'scope' => {$scope},
+            ])
+            PHP;
+    }
+
+    /**
+     * @return array<int, string>
+     */
+    private function evaluate(array $context, string $code, string $attribute, string $locale = 'null', string $scope = 'null'): array
+    {
+        return [
+            'identifier' => $code,
+            'attribute' => $attribute,
+            'locale' => $locale,
+            'scope' => $scope,
+        ];
+    }
+}