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feat: additional custom discount applied to total price

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fromme
2026-09-08 15:29:00 +02:00
parent dea7a3dc97
commit 8443dae5ad
14 changed files with 287 additions and 23 deletions
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src/Service/AccommodationBookingBreakdownCalculator.php
+25 -6
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@@ -37,14 +37,17 @@ class AccommodationBookingBreakdownCalculator
*
* @param array<string, mixed> $breakdown
*
* @return array<string, mixed> the breakdown plus `discounts` and `discountedTotal`
* @return array<string, mixed> the breakdown plus `discounts`, `discountSubtotal`,
* `totalDiscountDetails` and `discountedTotal`
*/
public function withDiscounts(AccommodationBooking $booking, array $breakdown): array
{
// The labels carry their own "Rabatt" prefix so that every row renders as plain
// {label} {percent} %, including the freely named discount on the total below.
$buckets = [
['Unterkunft', $booking->getAccommodationDiscount(), (int) ($breakdown['basePrice'] ?? 0) + (int) ($breakdown['additionalPersonsPrice'] ?? 0)],
['Verpflegung', $booking->getBoardServiceDiscount(), (int) ($breakdown['boardPrice'] ?? 0)],
['Zusatzleistungen', $booking->getAdditionalServicesDiscount(), (int) ($breakdown['servicesPrice'] ?? 0)],
['Rabatt Unterkunft', $booking->getAccommodationDiscount(), (int) ($breakdown['basePrice'] ?? 0) + (int) ($breakdown['additionalPersonsPrice'] ?? 0)],
['Rabatt Verpflegung', $booking->getBoardServiceDiscount(), (int) ($breakdown['boardPrice'] ?? 0)],
['Rabatt Zusatzleistungen', $booking->getAdditionalServicesDiscount(), (int) ($breakdown['servicesPrice'] ?? 0)],
];
$discounts = [];
@@ -63,10 +66,26 @@ class AccommodationBookingBreakdownCalculator
$discounts[] = ['label' => $label, 'percent' => $percent, 'amount' => $amount];
}
$breakdown['discounts'] = $discounts;
// Deliberately not $booking->getTotalPrice(): refreshPriceSnapshot() calls this while
// computing the new total, where the stored one is still the outdated value.
$breakdown['discountedTotal'] = (int) ($breakdown['total'] ?? 0) - $discountSum;
$subtotal = (int) ($breakdown['total'] ?? 0) - $discountSum;
// Compounds on the already-reduced subtotal rather than on the gross total: the discount
// is granted on what the customer would otherwise pay, not on a figure no longer asked.
$totalDiscountAmount = self::discountAmount($subtotal, $booking->getTotalDiscount());
$breakdown['discounts'] = $discounts;
$breakdown['totalDiscountDetails'] = 0 !== $totalDiscountAmount
? [
'label' => (string) $booking->getTotalDiscountLabel(),
'percent' => $booking->getTotalDiscount(),
'amount' => $totalDiscountAmount,
]
: null;
// Only worth a row when it sits between two sets of discounts — with no section discount
// above it, a subtotal would merely restate the total one line up.
$breakdown['discountSubtotal'] = 0 !== $totalDiscountAmount && [] !== $discounts ? $subtotal : null;
$breakdown['discountedTotal'] = $subtotal - $totalDiscountAmount;
return $breakdown;
}