adrianalonso · December 6, 2020 19:26 · Dec 6, 2020
diff --git a/PromotionProcessor.php b/PromotionProcessor.php
@@ -0,0 +1,64 @@
+<?php
+
+/*
+ * This file is part of the Sylius package.
+ *
+ * (c) Paweł Jędrzejewski
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+declare(strict_types=1);
+
+namespace Sylius\Component\Promotion\Processor;
+
+use Sylius\Component\Promotion\Action\PromotionApplicatorInterface;
+use Sylius\Component\Promotion\Checker\Eligibility\PromotionEligibilityCheckerInterface;
+use Sylius\Component\Promotion\Model\PromotionSubjectInterface;
+use Sylius\Component\Promotion\Provider\PreQualifiedPromotionsProviderInterface;
+
+final class PromotionProcessor implements PromotionProcessorInterface
+{
+    /** @var PreQualifiedPromotionsProviderInterface */
+    private $preQualifiedPromotionsProvider;
+
+    /** @var PromotionEligibilityCheckerInterface */
+    private $promotionEligibilityChecker;
+
+    /** @var PromotionApplicatorInterface */
+    private $promotionApplicator;
+
+    public function __construct(
+        PreQualifiedPromotionsProviderInterface $preQualifiedPromotionsProvider,
+        PromotionEligibilityCheckerInterface $promotionEligibilityChecker,
+        PromotionApplicatorInterface $promotionApplicator
+    ) {
+        $this->preQualifiedPromotionsProvider = $preQualifiedPromotionsProvider;
+        $this->promotionEligibilityChecker = $promotionEligibilityChecker;
+        $this->promotionApplicator = $promotionApplicator;
+    }
+
+    public function process(PromotionSubjectInterface $subject): void
+    {
+        foreach ($subject->getPromotions() as $promotion) {
+            $this->promotionApplicator->revert($subject, $promotion);
+        }
+
+        $preQualifiedPromotions = $this->preQualifiedPromotionsProvider->getPromotions($subject);
+
+        foreach ($preQualifiedPromotions as $promotion) {
+            if ($promotion->isExclusive() && $this->promotionEligibilityChecker->isEligible($subject, $promotion)) {
+                $this->promotionApplicator->apply($subject, $promotion);
+
+                return;
+            }
+        }
+
+        foreach ($preQualifiedPromotions as $promotion) {
+            if (!$promotion->isExclusive() && $this->promotionEligibilityChecker->isEligible($subject, $promotion)) {
+                $this->promotionApplicator->apply($subject, $promotion);
+            }
+        }
+    }
+}