Martin Slachta
23 lines
818 B
PHP
23 lines
818 B
PHP
<?php
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/** Computes a form's total price as the sum of its elements' prices, reduced by membership discount. */
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class RsvFormPriceCalculator {
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public function calculate(RsvFormDefinition $definition, RsvFormData $data): float {
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global $rsv_form_price_registry;
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$total = 0.0;
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foreach ($definition->getElements() as $element) {
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$calculator = $rsv_form_price_registry->get($element->getType());
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if ($calculator === null) {
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continue; // Unpriced element type contributes nothing.
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}
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$total += (float) $calculator($element, $data->getValue($element->getName()));
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}
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$pct = (new RsvMembershipService())->discount_for($definition, $data);
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return $total * (1.0 - max(0.0, min(100.0, $pct)) / 100.0);
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}
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}
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