Add include_child_taxons toggle to TotalOfItemsFromTaxon promotion rule

features/shop/promotion/applying_promotion_rules/receiving_discount_based_on_total_of_items_from_specific_taxon.feature

@@ -58,11 +58,11 @@ Feature: Receiving discount based on total of items from specific taxon
         And my discount should be "-$15.00"
 
     @api @ui
-    Scenario: Receiving discount on order while buying product from child taxon of promoted taxon
+    Scenario: Receiving discount on order while buying product from child taxon of promoted taxon when child taxons are included
         Given the "T-Shirts" taxon has child taxon "Polo T-Shirts"
         And the store has a product "Polo T-Shirt" priced at "$100.00"
         And it belongs to "Polo T-Shirts"
-        And the promotion gives "$20.00" off if order contains products classified as "T-Shirts" with a minimum value of "$50.00"
+        And the promotion gives "$20.00" off if order contains products classified as "T-Shirts" with a minimum value of "$50.00", including child taxons
         And I added product "Polo T-Shirt" to the cart
         When I check the details of my cart
         Then my cart total should be "$80.00"
@@ -73,7 +73,7 @@ Feature: Receiving discount based on total of items from specific taxon
         Given the "T-Shirts" taxon has child taxon "Polo T-Shirts"
         And the store has a product "Polo T-Shirt" priced at "$30.00"
         And it belongs to "Polo T-Shirts"
-        And the promotion gives "$20.00" off if order contains products classified as "T-Shirts" with a minimum value of "$50.00"
+        And the promotion gives "$20.00" off if order contains products classified as "T-Shirts" with a minimum value of "$50.00", including child taxons
         And I added product "Polo T-Shirt" to the cart
         When I check the details of my cart
         Then my cart total should be "$30.00"
@@ -84,9 +84,20 @@ Feature: Receiving discount based on total of items from specific taxon
         Given the "T-Shirts" taxon has child taxon "Polo T-Shirts"
         And the store has a product "Polo T-Shirt" priced at "$60.00"
         And it belongs to "Polo T-Shirts"
-        And the promotion gives "$10.00" off if order contains products classified as "T-Shirts" with a minimum value of "$50.00"
+        And the promotion gives "$10.00" off if order contains products classified as "T-Shirts" with a minimum value of "$50.00", including child taxons
         And I added product "PHP T-Shirt" to the cart
         And I added product "Polo T-Shirt" to the cart
         When I check the details of my cart
         Then my cart total should be "$150.00"
         And my discount should be "-$10.00"
+
+    @api @ui
+    Scenario: Receiving no discount on order while buying product from child taxon when child taxons are excluded from the rule
+        Given the "T-Shirts" taxon has child taxon "Polo T-Shirts"
+        And the store has a product "Polo T-Shirt" priced at "$100.00"
+        And it belongs to "Polo T-Shirts"
+        And the promotion gives "$20.00" off if order contains products classified as "T-Shirts" with a minimum value of "$50.00"
+        And I added product "Polo T-Shirt" to the cart
+        When I check the details of my cart
+        Then my cart total should be "$100.00"
+        And there should be no discount applied

src/Sylius/Behat/Context/Setup/PromotionContext.php

@@ -635,6 +635,19 @@ final readonly class PromotionContext implements Context
         $this->createFixedPromotion($promotion, $discount, [], $rule);
     }
 
+    #[Given('/^([^"]+) gives ("(?:€|£|\$)[^"]+") off if order contains products (classified as "[^"]+") with a minimum value of ("(?:€|£|\$)[^"]+"), including child taxons$/')]
+    public function thePromotionGivesOffIfOrderContainsProductsClassifiedAsAndPricedAtIncludingChildTaxons(
+        PromotionInterface $promotion,
+        int $discount,
+        TaxonInterface $taxon,
+        int $amount,
+    ): void {
+        $channelCode = $this->getChannelCode();
+        $rule = $this->ruleFactory->createItemsFromTaxonTotal($channelCode, $taxon->getCode(), $amount, true);
+
+        $this->createFixedPromotion($promotion, $discount, [], $rule);
+    }
+
     #[Given('/^([^"]+) gives ("(?:€|£|\$)[^"]+") off customer\'s (\d)(?:st|nd|rd|th) order$/')]
     public function itGivesFixedOffCustomersNthOrder(PromotionInterface $promotion, int $discount, int $nth): void
     {

src/Sylius/Bundle/CoreBundle/Form/Type/Promotion/Rule/TotalOfItemsFromTaxonConfigurationType.php

@@ -19,6 +19,7 @@ use Sylius\Bundle\TaxonomyBundle\Form\Type\TaxonAutocompleteChoiceType;
 use Sylius\Component\Core\Model\TaxonInterface;
 use Sylius\Resource\Doctrine\Persistence\RepositoryInterface;
 use Symfony\Component\Form\AbstractType;
+use Symfony\Component\Form\Extension\Core\Type\CheckboxType;
 use Symfony\Component\Form\FormBuilderInterface;
 use Symfony\Component\Form\ReversedTransformer;
 use Symfony\Component\OptionsResolver\OptionsResolver;
@@ -40,6 +41,10 @@ final class TotalOfItemsFromTaxonConfigurationType extends AbstractType
                 'label' => 'sylius.form.promotion_rule.total_of_items_from_taxon.amount',
                 'currency' => $options['currency'],
             ])
+            ->add('include_child_taxons', CheckboxType::class, [
+                'label' => 'sylius.form.promotion_rule.total_of_items_from_taxon.include_child_taxons',
+                'required' => false,
+            ])
         ;
 
         $builder->get('taxon')->addModelTransformer(

src/Sylius/Bundle/CoreBundle/Resources/translations/messages.en.yml

@@ -205,8 +205,9 @@ sylius:
             product:
                 products: Products
             total_of_items_from_taxon:
-                taxon: Taxon
                 amount: Amount
+                include_child_taxons: Include products from child taxons
+                taxon: Taxon
         payment_method:
             channels: Channels
         product_attribute:

src/Sylius/Component/Core/Factory/PromotionRuleFactory.php

@@ -54,13 +54,16 @@ final class PromotionRuleFactory implements PromotionRuleFactoryInterface
         return $this->createPromotionRule(HasTaxonRuleChecker::TYPE, ['taxons' => $taxons]);
     }
 
-    public function createItemsFromTaxonTotal(string $channelCode, string $taxonCode, int $amount): PromotionRuleInterface
-    {
+    public function createItemsFromTaxonTotal(
+        string $channelCode,
+        string $taxonCode,
+        int $amount,
+        bool $includeChildTaxons = false,
+    ): PromotionRuleInterface {
         return $this->createPromotionRule(
             TotalOfItemsFromTaxonRuleChecker::TYPE,
-            [$channelCode => ['taxon' => $taxonCode, 'amount' => $amount]],
-        )
-        ;
+            [$channelCode => ['amount' => $amount, 'include_child_taxons' => $includeChildTaxons, 'taxon' => $taxonCode]],
+        );
     }
 
     public function createNthOrder(int $nth): PromotionRuleInterface

src/Sylius/Component/Core/Promotion/Checker/Rule/TotalOfItemsFromTaxonRuleChecker.php

@@ -57,11 +57,15 @@ final class TotalOfItemsFromTaxonRuleChecker implements RuleCheckerInterface
             return false;
         }
 
+        $includeChildTaxons = $configuration['include_child_taxons'] ?? false;
         $itemsWithTaxonTotal = 0;
 
         /** @var OrderItemInterface $item */
         foreach ($subject->getItems() as $item) {
-            if ($this->productBelongsToTaxonOrDescendant($item->getProduct(), $targetTaxon)) {
+            $belongs = $includeChildTaxons
+                ? $this->productBelongsToTaxonOrDescendant($item->getProduct(), $targetTaxon)
+                : $this->productBelongsToTaxon($item->getProduct(), $targetTaxon);
+            if ($belongs) {
                 $itemsWithTaxonTotal += $item->getTotal();
             }
         }
@@ -69,6 +73,15 @@ final class TotalOfItemsFromTaxonRuleChecker implements RuleCheckerInterface
         return $itemsWithTaxonTotal >= $configuration['amount'];
     }
 
+    private function productBelongsToTaxon(?ProductInterface $product, TaxonInterface $targetTaxon): bool
+    {
+        if ($product === null) {
+            return false;
+        }
+
+        return $product->getTaxons()->contains($targetTaxon);
+    }
+
     private function productBelongsToTaxonOrDescendant(?ProductInterface $product, TaxonInterface $targetTaxon): bool
     {
         if ($product === null) {

src/Sylius/Component/Core/tests/Factory/PromotionRuleFactoryTest.php

@@ -84,11 +84,20 @@ final class PromotionRuleFactoryTest extends TestCase
     {
         $this->decoratedFactory->expects($this->once())->method('createNew')->willReturn($this->rule);
         $this->rule->expects($this->once())->method('setType')->with(TotalOfItemsFromTaxonRuleChecker::TYPE);
-        $this->rule->expects($this->once())->method('setConfiguration')->with(['WEB_US' => ['taxon' => 'spears', 'amount' => 1000]]);
+        $this->rule->expects($this->once())->method('setConfiguration')->with(['WEB_US' => ['amount' => 1000, 'include_child_taxons' => false, 'taxon' => 'spears']]);
 
         $this->assertSame($this->rule, $this->factory->createItemsFromTaxonTotal('WEB_US', 'spears', 1000));
     }
 
+    public function testShouldCreateTotalOfItemsFromTaxonRuleWithChildTaxons(): void
+    {
+        $this->decoratedFactory->expects($this->once())->method('createNew')->willReturn($this->rule);
+        $this->rule->expects($this->once())->method('setType')->with(TotalOfItemsFromTaxonRuleChecker::TYPE);
+        $this->rule->expects($this->once())->method('setConfiguration')->with(['WEB_US' => ['amount' => 1000, 'include_child_taxons' => true, 'taxon' => 'spears']]);
+
+        $this->assertSame($this->rule, $this->factory->createItemsFromTaxonTotal('WEB_US', 'spears', 1000, true));
+    }
+
     public function testShouldCreateNthOrderRule(): void
     {
         $this->decoratedFactory->expects($this->once())->method('createNew')->willReturn($this->rule);

src/Sylius/Component/Core/tests/Promotion/Checker/Rule/TotalOfItemsFromTaxonRuleCheckerTest.php

@@ -150,7 +150,32 @@ final class TotalOfItemsFromTaxonRuleCheckerTest extends TestCase
         $recurveBowItem->expects($this->once())->method('getTotal')->willReturn(5000);
 
         $this->assertTrue(
-            $this->ruleChecker->isEligible($this->order, ['WEB_US' => ['taxon' => 'bows', 'amount' => 10000]]),
+            $this->ruleChecker->isEligible($this->order, ['WEB_US' => ['taxon' => 'bows', 'amount' => 10000, 'include_child_taxons' => true]]),
+        );
+    }
+
+    public function testShouldNotRecognizeSubjectAsEligibleIfItHasItemsOnlyFromChildTaxonWhenChildTaxonsExcluded(): void
+    {
+        $recurveBows = $this->createMock(TaxonInterface::class);
+
+        $recurveBowItem = $this->createMock(OrderItemInterface::class);
+        $recurveBow = $this->createMock(ProductInterface::class);
+
+        $this->order->expects($this->once())->method('getChannel')->willReturn($this->channel);
+        $this->channel->expects($this->once())->method('getCode')->willReturn('WEB_US');
+        $this->order->expects($this->once())->method('getItems')->willReturn(new ArrayCollection([
+            $recurveBowItem,
+        ]));
+        $this->taxonRepository
+            ->expects($this->once())
+            ->method('findOneBy')
+            ->with(['code' => 'bows'])
+            ->willReturn($this->bows);
+        $recurveBowItem->expects($this->once())->method('getProduct')->willReturn($recurveBow);
+        $recurveBow->expects($this->once())->method('getTaxons')->willReturn(new ArrayCollection([$recurveBows]));
+
+        $this->assertFalse(
+            $this->ruleChecker->isEligible($this->order, ['WEB_US' => ['taxon' => 'bows', 'amount' => 5000, 'include_child_taxons' => false]]),
         );
     }