84 lines
2.6 KiB
PHP
84 lines
2.6 KiB
PHP
<?php
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namespace App\Services\Settlement\Matchers;
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use App\Models\TicketCombination;
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use App\Models\TicketItem;
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use App\Services\Settlement\Contracts\SettlementPlayMatcher;
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use App\Services\Settlement\OddsSnapshotReader;
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use App\Services\Settlement\PublishedDrawResultBoard;
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use Illuminate\Support\Collection;
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/** pos_2abc：后二位命中头/二/三任意一档。 */
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final class Pos2AbcSettlementMatcher implements SettlementPlayMatcher
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{
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public function __construct(
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private readonly OddsSnapshotReader $odds,
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) {}
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public function match(TicketItem $item, PublishedDrawResultBoard $board, Collection $combinations): array
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{
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$tiers = ['first', 'second', 'third'];
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$suffixByTier = [];
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foreach ($tiers as $t) {
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$s = $board->suffix2ForTier($t, 0);
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if ($s !== '') {
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$suffixByTier[$t] = $s;
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}
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}
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if ($suffixByTier === []) {
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return ['win_amount' => 0, 'matched_prize_tier' => null, 'match_detail' => ['reason' => 'no_suffix']];
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}
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$snapshot = is_array($item->odds_snapshot_json) ? $item->odds_snapshot_json : null;
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$lines = [];
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$total = 0;
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$bestTier = null;
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$bestRank = 99;
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foreach ($combinations as $c) {
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/** @var TicketCombination $c */
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$n = (string) $c->number_4d;
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if (strlen($n) < 2) {
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continue;
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}
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$suf = substr($n, -2);
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$hitTier = null;
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$rank = 99;
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foreach ($suffixByTier as $t => $sx) {
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if ($suf !== $sx) {
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continue;
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}
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$r = match ($t) {
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'first' => 0,
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'second' => 1,
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'third' => 2,
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default => 99,
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};
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if ($r < $rank) {
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$rank = $r;
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$hitTier = $t;
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}
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}
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if ($hitTier === null) {
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continue;
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}
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$oddsVal = $this->odds->oddsValueForScope($snapshot, $hitTier);
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$bet = (int) $c->bet_amount;
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$payout = (int) floor($bet * ($oddsVal / 10_000));
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$total += $payout;
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$lines[] = ['number_4d' => $n, 'tier' => $hitTier, 'payout' => $payout];
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if ($rank < $bestRank) {
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$bestRank = $rank;
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$bestTier = $hitTier;
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}
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}
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return [
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'win_amount' => $total,
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'matched_prize_tier' => $bestTier,
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'match_detail' => ['lines' => $lines],
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];
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}
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}
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