FFWEB-2049: Price Export based on Cart Rules

spec/Export/Field/PriceSpec.php

@@ -8,6 +8,7 @@
 use Omikron\FactFinder\Shopware6\Export\Formatter\NumberFormatter;
 use PhpSpec\ObjectBehavior;
 use Shopware\Core\Checkout\Cart\Price\Struct\CalculatedPrice;
+use Shopware\Core\Checkout\Cart\Price\Struct\PriceCollection;
 use Shopware\Core\Content\Product\SalesChannel\SalesChannelProductEntity as Product;
 
 class PriceSpec extends ObjectBehavior
@@ -27,11 +28,31 @@ function it_has_a_name()
         $this->getName()->shouldReturn('Price');
     }
 
-    function it_gets_the_product_price(Product $product, CalculatedPrice $price, NumberFormatter $numberFormatter)
-    {
+    function it_gets_the_calculated_product_price_if_no_calculated_prices(
+        Product $product,
+        CalculatedPrice $price,
+        PriceCollection $priceCollection,
+        NumberFormatter $numberFormatter
+    ) {
+        $product->getCalculatedPrices()->willReturn($priceCollection);
+        $priceCollection->count()->willReturn(0);
         $product->getCalculatedPrice()->willReturn($price);
         $price->getTotalPrice()->willReturn(pi());
         $numberFormatter->format(pi())->willReturn('3.14');
         $this->getValue($product)->shouldReturn('3.14');
     }
+
+    function it_gets_the_first_calculated_price_if_exist(
+        Product $product,
+        PriceCollection $priceCollection,
+        CalculatedPrice $price,
+        NumberFormatter $numberFormatter
+    ) {
+        $priceCollection->count()->willReturn(1);
+        $product->getCalculatedPrices()->willReturn($priceCollection);
+        $priceCollection->first()->willReturn($price);
+        $price->getUnitPrice()->willReturn(pi());
+        $numberFormatter->format(pi())->willReturn('3.14');
+        $this->getValue($product)->shouldReturn('3.14');
+    }
 }

src/Export/Field/Price.php

@@ -24,6 +24,9 @@ public function getName(): string
 
     public function getValue(Product $product): string
     {
-        return $this->numberFormatter->format((float) $product->getCalculatedPrice()->getTotalPrice());
+        if ($product->getCalculatedPrices()->count() === 0) {
+            return $this->numberFormatter->format((float) $product->getCalculatedPrice()->getTotalPrice());
+        }
+        return $this->numberFormatter->format((float) $product->getCalculatedPrices()->first()->getUnitPrice());
     }
 }

src/Export/SalesChannelService.php

@@ -5,16 +5,21 @@
 namespace Omikron\FactFinder\Shopware6\Export;
 
 use Omikron\FactFinder\Shopware6\BackwardCompatibility\Extension\SalesChannelContextFactoryInterface;
+use Shopware\Core\Checkout\Cart\CartRuleLoader;
 use Shopware\Core\Defaults;
 use Shopware\Core\Framework\Api\Context\SystemSource;
 use Shopware\Core\Framework\Context;
 use Shopware\Core\Framework\DataAbstractionLayer\EntityRepositoryInterface;
 use Shopware\Core\Framework\DataAbstractionLayer\Search\Criteria;
 use Shopware\Core\Framework\DataAbstractionLayer\Search\Filter\EqualsFilter;
+use Shopware\Core\Framework\Util\Random;
 use Shopware\Core\System\SalesChannel\Context\SalesChannelContextService;
 use Shopware\Core\System\SalesChannel\SalesChannelContext;
 use Shopware\Core\System\SalesChannel\SalesChannelEntity;
 
+/**
+ * @SuppressWarnings(PHPMD.StaticAccess)
+ */
 class SalesChannelService
 {
     /** @var EntityRepositoryInterface */
@@ -23,27 +28,32 @@ class SalesChannelService
     /** @var SalesChannelContextFactoryInterface */
     private $channelContextFactory;
 
+    /** @var CartRuleLoader */
+    private $cartRuleLoader;
+
     /** @var SalesChannelContext|null */
-    private $cachedSalesChannel;
+    private $cachedContext;
 
     public function __construct(
         SalesChannelContextFactoryInterface $channelContextFactory,
-        EntityRepositoryInterface $channelRepository
+        EntityRepositoryInterface $channelRepository,
+        CartRuleLoader $cartRuleLoader
     ) {
         $this->channelRepository     = $channelRepository;
         $this->channelContextFactory = $channelContextFactory;
+        $this->cartRuleLoader        = $cartRuleLoader;
     }
 
     public function getSalesChannelContext(SalesChannelEntity $salesChannel = null, $languageId = null): SalesChannelContext
     {
-        if (!$this->cachedSalesChannel) {
-            $usedChannel              = $salesChannel ?: $this->getDefaultStoreFrontSalesChannel();
-            $this->cachedSalesChannel = $this->channelContextFactory->create('', $usedChannel->getId(), [
+        if (!$this->cachedContext) {
+            $usedChannel         = $salesChannel ?: $this->getDefaultStoreFrontSalesChannel();
+            $this->cachedContext = $this->channelContextFactory->create('', $usedChannel->getId(), [
                 SalesChannelContextService::LANGUAGE_ID => $languageId ?: $usedChannel->getLanguageId(),
             ]);
         }
-
-        return $this->cachedSalesChannel;
+        $this->cartRuleLoader->loadByToken($this->cachedContext, Random::getAlphanumericString(32));
+        return $this->cachedContext;
     }
 
     private function getDefaultStoreFrontSalesChannel(): SalesChannelEntity