IBX-9680: Extending discounts

code_samples/discounts/src/Command/OrderPriceCommand.php

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+<?php declare(strict_types=1);
+
+namespace App\Command;
+
+use Exception;
+use Ibexa\Contracts\Core\Repository\PermissionResolver;
+use Ibexa\Contracts\Core\Repository\UserService;
+use Ibexa\Contracts\OrderManagement\OrderServiceInterface;
+use Ibexa\Contracts\ProductCatalog\CurrencyServiceInterface;
+use Ibexa\Contracts\ProductCatalog\PriceResolverInterface;
+use Ibexa\Contracts\ProductCatalog\ProductPriceServiceInterface;
+use Ibexa\Contracts\ProductCatalog\ProductServiceInterface;
+use Ibexa\Contracts\ProductCatalog\Values\Price\PriceContext;
+use Ibexa\Contracts\ProductCatalog\Values\Price\PriceEnvelopeInterface;
+use Ibexa\Discounts\Value\Price\Stamp\DiscountStamp;
+use Ibexa\OrderManagement\Discounts\Value\DiscountsData;
+use Money\Money;
+use Symfony\Component\Console\Command\Command;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Output\OutputInterface;
+
+final class OrderPriceCommand extends Command
+{
+    protected static $defaultName = 'app:discounts:prices';
+
+    private PermissionResolver $permissionResolver;
+
+    private UserService $userService;
+
+    private ProductServiceInterface $productService;
+
+    private OrderServiceInterface $orderService;
+
+    private ProductPriceServiceInterface $productPriceService;
+
+    private CurrencyServiceInterface $currencyService;
+
+    private PriceResolverInterface $priceResolver;
+
+    public function __construct(
+        PermissionResolver $permissionResolver,
+        UserService $userService,
+        ProductServiceInterface $productService,
+        OrderServiceInterface $orderService,
+        ProductPriceServiceInterface $productPriceService,
+        CurrencyServiceInterface $currencyService,
+        PriceResolverInterface $priceResolver
+    ) {
+        parent::__construct();
+
+        $this->permissionResolver = $permissionResolver;
+        $this->userService = $userService;
+        $this->productService = $productService;
+        $this->orderService = $orderService;
+        $this->productPriceService = $productPriceService;
+        $this->currencyService = $currencyService;
+        $this->priceResolver = $priceResolver;
+    }
+
+    public function execute(InputInterface $input, OutputInterface $output): int
+    {
+        $this->permissionResolver->setCurrentUserReference($this->userService->loadUserByLogin('admin'));
+
+        $productCode = 'product_code_control_unit_0';
+        $orderIdentifier = '4315bc58-1e96-4f21-82a0-15f736cbc4bc';
+        $currencyCode = 'EUR';
+
+        $output->writeln('Product data:');
+        $product = $this->productService->getProduct($productCode);
+        $currency = $this->currencyService->getCurrencyByCode($currencyCode);
+
+        $basePrice = $this->productPriceService->getPriceByProductAndCurrency($product, $currency);
+        $resolvedPrice = $this->priceResolver->resolvePrice($product, new PriceContext($currency));
+
+        if ($resolvedPrice === null) {
+            throw new Exception('Could not resolve price for the product');
+        }
+
+        $output->writeln(sprintf('Base price: %s', $this->formatPrice($basePrice->getMoney())));
+        $output->writeln(sprintf('Discounted price: %s', $this->formatPrice($resolvedPrice->getMoney())));
+
+        if ($resolvedPrice instanceof PriceEnvelopeInterface) {
+            /** @var \Ibexa\Discounts\Value\Price\Stamp\DiscountStamp $discountStamp */
+            foreach ($resolvedPrice->all(DiscountStamp::class) as $discountStamp) {
+                $output->writeln(
+                    sprintf(
+                        'Discount applied: %s , new amount: %s',
+                        $discountStamp->getDiscount()->getName(),
+                        $this->formatPrice(
+                            $discountStamp->getNewPrice()
+                        )
+                    )
+                );
+            }
+        }
+
+        $output->writeln('Order details:');
+
+        $order = $this->orderService->getOrderByIdentifier($orderIdentifier);
+        foreach ($order->getItems() as $item) {
+            /** @var ?DiscountsData $discountData */
+            $discountData = $item->getContext()['discount_data'] ?? null;
+            if ($discountData instanceof DiscountsData) {
+                $output->writeln(
+                    sprintf(
+                        'Product bought with discount: %s, base price: %s, discounted price: %s',
+                        $item->getProduct()->getName(),
+                        $this->formatPrice($discountData->getOriginalPrice()),
+                        $this->formatPrice(
+                            $item->getValue()->getUnitPriceGross()
+                        )
+                    )
+                );
+            } else {
+                $output->writeln(
+                    sprintf(
+                        'Product bought with original price: %s, price: %s',
+                        $item->getProduct()->getName(),
+                        $this->formatPrice(
+                            $item->getValue()->getUnitPriceGross()
+                        )
+                    )
+                );
+            }
+        }
+
+        return Command::SUCCESS;
+    }
+
+    private function formatPrice(Money $money): string
+    {
+        return $money->getAmount() / 100.0 . ' ' . $money->getCurrency()->getCode();
+    }
+}

code_samples/discounts/src/Discounts/Condition/IsAccountAnniversary.php

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+<?php declare(strict_types=1);
+
+namespace App\Discounts\Condition;
+
+use Ibexa\Contracts\Discounts\Value\DiscountConditionInterface;
+use Ibexa\Discounts\Value\AbstractDiscountExpressionAware;
+
+final class IsAccountAnniversary extends AbstractDiscountExpressionAware implements DiscountConditionInterface
+{
+    public const IDENTIFIER = 'is_account_anniversary';
+
+    public function __construct(?int $tolerance = null)
+    {
+        parent::__construct([
+            'tolerance' => $tolerance ?? 0,
+        ]);
+    }
+
+    public function getTolerance(): int
+    {
+        return $this->getExpressionValue('tolerance');
+    }
+
+    public function getIdentifier(): string
+    {
+        return self::IDENTIFIER;
+    }
+
+    public function getExpression(): string
+    {
+        return 'is_anniversary(current_user_registration_date, tolerance)';
+    }
+}

code_samples/discounts/src/Discounts/Condition/IsAccountAnniversaryConditionFactory.php

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+<?php declare(strict_types=1);
+
+namespace App\Discounts\Condition;
+
+use Ibexa\Contracts\Discounts\Value\DiscountConditionInterface;
+use Ibexa\Discounts\Repository\DiscountCondition\DiscountConditionFactoryInterface;
+
+final class IsAccountAnniversaryConditionFactory implements DiscountConditionFactoryInterface
+{
+    public function createDiscountCondition(?array $expressionValues): DiscountConditionInterface
+    {
+        return new IsAccountAnniversary(
+            $expressionValues['tolerance'] ?? null
+        );
+    }
+}

code_samples/discounts/src/Discounts/ExpressionProvider/CurrentUserRegistrationDateResolver.php

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+<?php declare(strict_types=1);
+
+namespace App\Discounts\ExpressionProvider;
+
+use Ibexa\Contracts\Core\Repository\PermissionResolver;
+use Ibexa\Contracts\Core\Repository\UserService;
+use Ibexa\Contracts\Discounts\DiscountVariablesResolverInterface;
+use Ibexa\Contracts\ProductCatalog\Values\Price\PriceContextInterface;
+
+final class CurrentUserRegistrationDateResolver implements DiscountVariablesResolverInterface
+{
+    private PermissionResolver $permissionResolver;
+
+    private UserService $userService;
+
+    public function __construct(PermissionResolver $permissionResolver, UserService $userService)
+    {
+        $this->permissionResolver = $permissionResolver;
+        $this->userService = $userService;
+    }
+
+    /**
+     * @return array{current_user_registration_date: \DateTimeInterface}
+     */
+    public function getVariables(PriceContextInterface $priceContext): array
+    {
+        return [
+            'current_user_registration_date' => $this->userService->loadUser(
+                $this->permissionResolver->getCurrentUserReference()->getUserId()
+            )->getContentInfo()->publishedDate,
+        ];
+    }
+}

code_samples/discounts/src/Discounts/ExpressionProvider/IsAnniversaryResolver.php

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+<?php declare(strict_types=1);
+
+namespace App\Discounts\ExpressionProvider;
+
+use DateTimeImmutable;
+use DateTimeInterface;
+
+final class IsAnniversaryResolver
+{
+    private const YEAR_MONTH_DAY_FORMAT = 'Y-m-d';
+
+    private const MONTH_DAY_FORMAT = 'm-d';
+
+    private const REFERENCE_YEAR = 2000;
+
+    public function __invoke(DateTimeInterface $date, int $tolerance = 0): bool
+    {
+        $d1 = $this->unifyYear(new DateTimeImmutable());
+        $d2 = $this->unifyYear($date);
+
+        $diff = $d1->diff($d2, true)->days;
+
+        // Check if the difference between dates is within the tolerance
+        return $diff <= $tolerance;
+    }
+
+    private function unifyYear(DateTimeInterface $date): DateTimeImmutable
+    {
+        // Create a new date using the reference year but with the same month and day
+        $newDate = DateTimeImmutable::createFromFormat(
+            self::YEAR_MONTH_DAY_FORMAT,
+            self::REFERENCE_YEAR . '-' . $date->format(self::MONTH_DAY_FORMAT)
+        );
+
+        if ($newDate === false) {
+            throw new \RuntimeException('Failed to unify year for date.');
+        }
+
+        return $newDate;
+    }
+}

code_samples/discounts/src/Discounts/RecentDiscountPrioritizationStrategy.php

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+<?php declare(strict_types=1);
+
+namespace App\Discounts;
+
+use Ibexa\Contracts\Discounts\DiscountPrioritizationStrategyInterface;
+use Ibexa\Contracts\Discounts\Value\Query\SortClause\UpdatedAt;
+
+final class RecentDiscountPrioritizationStrategy implements DiscountPrioritizationStrategyInterface
+{
+    private DiscountPrioritizationStrategyInterface $inner;
+
+    public function __construct(DiscountPrioritizationStrategyInterface $inner)
+    {
+        $this->inner = $inner;
+    }
+
+    public function getOrder(): array
+    {
+        return array_merge(
+            [new UpdatedAt()],
+            $this->inner->getOrder()
+        );
+    }
+}

code_samples/discounts/src/Discounts/Rule/PurchaseParityValueFormatter.php

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+<?php
+
+declare(strict_types=1);
+
+namespace App\Discounts\Rule;
+
+use Ibexa\Contracts\Discounts\DiscountValueFormatterInterface;
+use Ibexa\Contracts\Discounts\Value\DiscountRuleInterface;
+use Money\Money;
+
+final class PurchaseParityValueFormatter implements DiscountValueFormatterInterface
+{
+    public function format(DiscountRuleInterface $discountRule, ?Money $money = null): string
+    {
+        return 'Regional discount';
+    }
+}

code_samples/discounts/src/Discounts/Rule/PurchasingPowerParityRule.php

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+<?php declare(strict_types=1);
+
+namespace App\Discounts\Rule;
+
+use Ibexa\Contracts\Discounts\Value\DiscountRuleInterface;
+use Ibexa\Discounts\Value\AbstractDiscountExpressionAware;
+
+final class PurchasingPowerParityRule extends AbstractDiscountExpressionAware implements DiscountRuleInterface
+{
+    public const TYPE = 'purchasing_power_parity';
+
+    private const DEFAULT_PARITY_MAP = [
+        'default' => 100,
+        'germany' => 81.6,
+        'france' => 80,
+        'spain' => 69,
+    ];
+
+    /** @param ?array<string, float> $powerParityMap */
+    public function __construct(?array $powerParityMap = null)
+    {
+        parent::__construct(
+            [
+                'power_parity_map' => $powerParityMap ?? self::DEFAULT_PARITY_MAP,
+            ]
+        );
+    }
+
+    /** @return array<string, float> */
+    public function getMap(): array
+    {
+        return $this->getExpressionValue('power_parity_map');
+    }
+
+    public function getExpression(): string
+    {
+        return 'amount * (power_parity_map[get_current_region().getIdentifier()] / power_parity_map["default"])';
+    }
+
+    public function getType(): string
+    {
+        return self::TYPE;
+    }
+}

code_samples/discounts/src/Discounts/Rule/PurchasingPowerParityRuleFactory.php

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+<?php declare(strict_types=1);
+
+namespace App\Discounts\Rule;
+
+use Ibexa\Contracts\Discounts\Value\DiscountRuleInterface;
+use Ibexa\Discounts\Repository\DiscountRule\DiscountRuleFactoryInterface;
+
+final class PurchasingPowerParityRuleFactory implements DiscountRuleFactoryInterface
+{
+    public function createDiscountRule(?array $expressionValues): DiscountRuleInterface
+    {
+        return new PurchasingPowerParityRule($expressionValues['power_parity_map'] ?? null);
+    }
+}

code_samples/discounts/src/Discounts/Step/AnniversaryConditionStep.php

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+<?php declare(strict_types=1);
+
+namespace App\Discounts\Step;
+
+use Ibexa\Contracts\Discounts\Admin\Form\Data\AbstractDiscountStep;
+
+final class AnniversaryConditionStep extends AbstractDiscountStep
+{
+    public const IDENTIFIER = 'anniversary_condition_step';
+
+    public bool $enabled;
+
+    public int $tolerance;
+
+    public function __construct(bool $enabled = false, int $tolerance = 0)
+    {
+        $this->enabled = $enabled;
+        $this->tolerance = $tolerance;
+    }
+}