Martin Slachta
61 lines
2.1 KiB
PHP
61 lines
2.1 KiB
PHP
<?php
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class RsvMembershipService {
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public function discount_detail_for(RsvFormDefinition $def, RsvFormData $data): array {
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$repo = new RsvMembershipProgramRepository();
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$matched_programs = [];
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$matched_discounts = [];
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foreach ($def->getMembershipBindings() as $binding) {
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$program_id = intval($binding['program_id'] ?? 0);
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$discount = floatval($binding['discount'] ?? 0.0);
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$field = strval($binding['field'] ?? '');
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if ($program_id <= 0 || $field === '') {
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continue;
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}
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$raw = $data->getValue($field, '');
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$value = is_scalar($raw) ? trim((string) $raw) : '';
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if ($value === '') {
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continue;
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}
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if ($repo->key_exists($program_id, $value)) {
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$program = $repo->get($program_id);
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if ($program) {
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$matched_programs[] = $program['name'];
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}
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$matched_discounts[] = $discount;
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}
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}
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if (empty($matched_discounts)) {
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return ['percent' => 0.0, 'reason' => ''];
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}
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if ($def->getMembershipCombine() === 'sum') {
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$reason = implode(', ', $matched_programs);
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return ['percent' => min(100.0, array_sum($matched_discounts)), 'reason' => $reason];
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}
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$max_idx = array_search(max($matched_discounts), $matched_discounts, true);
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$reason = $matched_programs[$max_idx] ?? '';
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return ['percent' => max($matched_discounts), 'reason' => $reason];
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}
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/**
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* Total membership discount for a submission.
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*
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* Each binding names a form field whose submitted value must match a key
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* in the bound program. Matching bindings' discounts are combined per the
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* definition's combine mode: the best single discount, or all summed and
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* capped at 100%.
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*/
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public function discount_for(RsvFormDefinition $def, RsvFormData $data): float {
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return $this->discount_detail_for($def, $data)['percent'];
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}
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}
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