coupon code system eingeführt. coupons werden vom super admin gemanaged. coupons werden mit paddle synchronisiert und dort validiert. plus: einige mobil-optimierungen im tenant admin pwa.
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Codex Agent
287
app/Services/Coupons/CouponService.php
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287
app/Services/Coupons/CouponService.php
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<?php
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namespace App\Services\Coupons;
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use App\Enums\CouponStatus;
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use App\Enums\CouponType;
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use App\Models\Coupon;
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use App\Models\CouponRedemption;
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use App\Models\Package;
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use App\Models\Tenant;
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use App\Services\Paddle\Exceptions\PaddleException;
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use App\Services\Paddle\PaddleDiscountService;
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use Illuminate\Support\Arr;
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use Illuminate\Support\Facades\Log;
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use Illuminate\Support\Str;
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use Illuminate\Validation\ValidationException;
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class CouponService
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{
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public function __construct(private readonly PaddleDiscountService $paddleDiscounts) {}
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/**
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* @return array{coupon: Coupon, pricing: array<string, mixed>, source: string}
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*/
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public function preview(string $code, Package $package, ?Tenant $tenant = null): array
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{
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$coupon = $this->findCouponForCode($code);
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$this->ensureCouponCanBeApplied($coupon, $package, $tenant);
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$pricing = $this->buildPricingBreakdown($coupon, $package, $tenant);
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return [
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'coupon' => $coupon,
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'pricing' => $pricing['pricing'],
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'source' => $pricing['source'],
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];
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}
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public function ensureCouponCanBeApplied(Coupon $coupon, Package $package, ?Tenant $tenant = null): void
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{
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if (! $coupon->paddle_discount_id) {
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throw ValidationException::withMessages([
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'code' => __('marketing.coupon.errors.not_synced'),
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]);
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}
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if (! $coupon->enabled_for_checkout) {
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throw ValidationException::withMessages([
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'code' => __('marketing.coupon.errors.disabled'),
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]);
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}
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if (! $coupon->isCurrentlyActive()) {
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throw ValidationException::withMessages([
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'code' => __('marketing.coupon.errors.inactive'),
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]);
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}
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if (! $coupon->appliesToPackage($package)) {
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throw ValidationException::withMessages([
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'code' => __('marketing.coupon.errors.not_applicable'),
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]);
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}
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if ($tenant) {
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$usage = $this->usageForTenant($coupon, $tenant);
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$remaining = $coupon->remainingUsages($usage);
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if ($remaining !== null && $remaining <= 0) {
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throw ValidationException::withMessages([
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'code' => __('marketing.coupon.errors.limit_reached'),
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]);
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}
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} elseif ($coupon->per_customer_limit !== null) {
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throw ValidationException::withMessages([
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'code' => __('marketing.coupon.errors.login_required'),
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]);
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}
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}
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protected function findCouponForCode(string $code): Coupon
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{
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$normalized = Str::upper(trim($code));
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if ($normalized === '') {
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throw ValidationException::withMessages([
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'code' => __('marketing.coupon.errors.required'),
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]);
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}
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$coupon = Coupon::query()
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->where('code', $normalized)
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->first();
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if (! $coupon) {
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throw ValidationException::withMessages([
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'code' => __('marketing.coupon.errors.not_found'),
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]);
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}
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if (in_array($coupon->status, [CouponStatus::PAUSED, CouponStatus::ARCHIVED, CouponStatus::DRAFT], true)) {
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throw ValidationException::withMessages([
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'code' => __('marketing.coupon.errors.inactive'),
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]);
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}
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return $coupon;
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}
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protected function usageForTenant(Coupon $coupon, Tenant $tenant): int
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{
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return $coupon->redemptions()
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->where('tenant_id', $tenant->id)
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->whereNot('status', CouponRedemption::STATUS_FAILED)
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->count();
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}
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/**
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* @return array{pricing: array<string, mixed>, source: string}
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*/
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protected function buildPricingBreakdown(Coupon $coupon, Package $package, ?Tenant $tenant = null): array
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{
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$currency = Str::upper($package->currency ?? 'EUR');
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$subtotal = (float) $package->price;
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if ($package->paddle_price_id) {
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try {
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$preview = $this->paddleDiscounts->previewDiscount(
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$coupon,
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[
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[
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'price_id' => $package->paddle_price_id,
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'quantity' => 1,
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],
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],
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array_filter([
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'currency' => $currency,
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'customer_id' => $tenant?->paddle_customer_id,
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])
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);
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$mapped = $this->mapPaddlePreview($preview, $currency, $subtotal);
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return [
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'pricing' => $mapped,
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'source' => 'paddle',
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];
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} catch (PaddleException $exception) {
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Log::warning('Paddle preview failed, falling back to manual pricing', [
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'coupon_id' => $coupon->id,
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'package_id' => $package->id,
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'message' => $exception->getMessage(),
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]);
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}
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}
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return [
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'pricing' => $this->manualPricing($coupon, $currency, $subtotal),
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'source' => 'manual',
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];
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}
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protected function mapPaddlePreview(array $preview, string $currency, float $fallbackSubtotal): array
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{
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$totals = $this->extractTotals($preview);
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$subtotal = $totals['subtotal'] ?? $fallbackSubtotal;
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$discount = $totals['discount'] ?? 0.0;
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$tax = $totals['tax'] ?? 0.0;
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$total = $totals['total'] ?? max($subtotal - $discount + $tax, 0);
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return $this->formatPricing($currency, $subtotal, $discount, $tax, $total, [
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'raw' => $preview,
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'breakdown' => $totals['breakdown'] ?? [],
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]);
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}
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protected function manualPricing(Coupon $coupon, string $currency, float $subtotal): array
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{
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$discount = match ($coupon->type) {
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CouponType::PERCENTAGE => round($subtotal * ((float) $coupon->amount) / 100, 2),
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default => (float) $coupon->amount,
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};
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if ($coupon->type !== CouponType::PERCENTAGE && $coupon->currency && Str::upper($coupon->currency) !== $currency) {
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throw ValidationException::withMessages([
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'code' => __('marketing.coupon.errors.currency_mismatch'),
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]);
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}
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$discount = min($discount, $subtotal);
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$total = max($subtotal - $discount, 0);
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return $this->formatPricing($currency, $subtotal, $discount, 0, $total, [
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'breakdown' => [
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['type' => 'coupon', 'amount' => $discount],
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],
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]);
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}
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protected function extractTotals(array $preview): array
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{
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$totals = Arr::get($preview, 'totals', Arr::get($preview, 'details.totals', []));
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$subtotal = $this->convertMinorAmount($totals['subtotal'] ?? ($totals['subtotal']['amount'] ?? null));
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$discount = $this->convertMinorAmount($totals['discount'] ?? ($totals['discount']['amount'] ?? null));
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$tax = $this->convertMinorAmount($totals['tax'] ?? ($totals['tax']['amount'] ?? null));
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$total = $this->convertMinorAmount($totals['total'] ?? ($totals['total']['amount'] ?? null));
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return array_filter([
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'currency' => $totals['currency_code'] ?? Arr::get($preview, 'currency_code'),
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'subtotal' => $subtotal,
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'discount' => $discount,
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'tax' => $tax,
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'total' => $total,
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'breakdown' => Arr::get($preview, 'discounts', []),
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], static fn ($value) => $value !== null && $value !== '');
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}
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protected function convertMinorAmount(mixed $value): ?float
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{
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if ($value === null || $value === '') {
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return null;
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}
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if (is_array($value) && isset($value['amount'])) {
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$value = $value['amount'];
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}
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if (! is_numeric($value)) {
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return null;
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}
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return round(((float) $value) / 100, 2);
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}
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protected function formatPricing(string $currency, float $subtotal, float $discount, float $tax, float $total, array $extra = []): array
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{
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$locale = $this->mapLocale(app()->getLocale());
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$formatter = class_exists(\NumberFormatter::class)
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? new \NumberFormatter($locale, \NumberFormatter::CURRENCY)
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: null;
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$format = function (float $amount, bool $allowNegative = false) use ($currency, $formatter): string {
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$value = $allowNegative ? $amount : max($amount, 0);
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if ($formatter) {
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$formatted = $formatter->formatCurrency($value, $currency);
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if ($formatted !== false) {
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return $formatted;
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}
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}
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$symbol = match ($currency) {
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'EUR' => '€',
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'USD' => '$',
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default => $currency.' ',
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};
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return $symbol.number_format($value, 2, ',', '.');
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};
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return array_merge([
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'currency' => $currency,
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'subtotal' => round($subtotal, 2),
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'discount' => round($discount, 2),
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'tax' => round($tax, 2),
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'total' => round($total, 2),
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'formatted' => [
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'subtotal' => $format($subtotal),
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'discount' => $format(-1 * abs($discount), true),
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'tax' => $format($tax),
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'total' => $format($total),
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],
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], $extra);
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}
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protected function mapLocale(?string $locale): string
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{
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return match ($locale) {
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'de', 'de_DE' => 'de_DE',
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'en', 'en_GB', 'en_US' => 'en_US',
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default => 'en_US',
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};
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}
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}
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