270 lines
9.5 KiB
PHP
270 lines
9.5 KiB
PHP
<?php
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require_once __DIR__ . '/../../connect.php';
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$distance = (float) filterRequest("distance");
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$duration = (float) filterRequest("durationToRide");
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$promo_code = filterRequest("promo_code");
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$passenger_id = filterRequest("passenger_id");
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$promo_code_id = filterRequest("promo_code_id") ? filterRequest("promo_code_id") : 0;
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$country = filterRequest("country");
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$startNameAddress = filterRequest("startNameAddress");
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$endNameAddress = filterRequest("endNameAddress");
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$destLat = (float) filterRequest("destLat");
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$destLng = (float) filterRequest("destLng");
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$passengerLat = (float) filterRequest("passengerLat");
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$passengerLng = (float) filterRequest("passengerLng");
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$activeMenuWaypointCount = (int) filterRequest("activeMenuWaypointCount");
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if (!$country) {
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echo json_encode(["status" => "failure", "message" => "Country parameter is required"]);
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exit;
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}
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$price = 0.0;
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$price_for_driver = 0.0;
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$withCommission = 0.0;
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$kazan = 0.0;
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$isNightFare = false;
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// Common variables
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date_default_timezone_set('Asia/Damascus');
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$currentTime = new DateTime();
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$hour = (int)$currentTime->format('H');
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switch ($country) {
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case 'Syria':
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$minFare = 150.0;
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break;
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case 'Egypt':
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$minFare = 20.0;
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break;
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case 'Jordan':
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$minFare = 1.0;
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break;
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default:
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$minFare = 0.0;
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break;
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}
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// Fetch kazan from DB for the specified country
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$sql = "SELECT * FROM `kazan` WHERE country = :country LIMIT 1";
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$stmt = $con->prepare($sql);
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$stmt->execute([':country' => $country]);
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$kazanRow = $stmt->fetch(PDO::FETCH_ASSOC);
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if (!$kazanRow) {
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echo json_encode(["status" => "failure", "message" => "No pricing available for this country"]);
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exit;
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}
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$result = calculateDynamicPrice($country, $minFare, $distance, $duration, $kazanRow, $startNameAddress, $endNameAddress, $destLat, $destLng, $passengerLat, $passengerLng);
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$price = $result['price'];
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$price_for_driver = $result['price_for_driver'];
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$withCommission = $result['withCommission'];
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$kazan = $result['kazan'];
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$isNightFare = $result['isNightFare'];
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// ----------------------------------------------------------------------
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// Helper Functions for Countries
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// ----------------------------------------------------------------------
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function calculateDynamicPrice($country, $minFare, $distance, $duration, $kazanRow, $startNameAddress, $endNameAddress, $destLat, $destLng, $passengerLat, $passengerLng) {
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$comfortPrice = (float) $kazanRow['comfortPrice'];
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$speedPrice = (float) $kazanRow['speedPrice'];
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$familyPrice = (float) $kazanRow['familyPrice'];
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$deliveryPrice = (float) $kazanRow['deliveryPrice'];
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$naturePrice = (float) $kazanRow['naturePrice'];
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$heavyPrice = (float) $kazanRow['heavyPrice'];
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$latePrice = (float) $kazanRow['latePrice'];
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$kazanPercent = (float) $kazanRow['kazan'];
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// === General Settings ===
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$minBillableKm = 0.2;
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$airportAddon = 0.0;
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$damascusAirportBoundAddon = 0.0;
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switch ($country) {
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case 'Egypt':
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$airportAddon = 35.0;
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break;
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case 'Jordan':
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$airportAddon = 5.0;
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break;
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default: // Syria
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$airportAddon = 200.0;
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$damascusAirportBoundAddon = 1400.0;
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break;
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}
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$longSpeedThresholdKm = 40.0;
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$longSpeedPerKm = 26.0;
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$mediumDistThresholdKm = 25.0;
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$longDistThresholdKm = 35.0;
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$longTripPerMin = 6.0;
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$minuteCapMedium = 60;
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$minuteCapLong = 80;
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$freeMinutesLong = 10;
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$extraReduction100 = 0.07;
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$maxReductionCap = 0.35;
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$totalMinutes = floor($duration / 60);
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$airportCtx = (stripos($startNameAddress, 'airport') !== false || stripos($startNameAddress, 'مطار') !== false || stripos($endNameAddress, 'airport') !== false || stripos($endNameAddress, 'مطار') !== false);
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$clubCtx = (stripos($startNameAddress, 'club') !== false || stripos($startNameAddress, 'ديسكو') !== false || stripos($endNameAddress, 'club') !== false || stripos($endNameAddress, 'ديسكو') !== false);
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$northLat = 33.415313;
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$southLat = 33.400265;
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$eastLng = 36.531505;
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$westLng = 36.499687;
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$damascusAirportBoundCtx = ($destLat <= $northLat && $destLat >= $southLat && $destLng <= $eastLng && $destLng >= $westLng);
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$isInDamascusAirportBoundCtx = ($passengerLat <= $northLat && $passengerLat >= $southLat && $passengerLng <= $eastLng && $passengerLng >= $westLng);
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$billableDistance = ($distance < $minBillableKm) ? $minBillableKm : $distance;
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$isLongSpeed = $billableDistance > $longSpeedThresholdKm;
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$perKmSpeedBaseFromServer = $speedPrice;
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$perKmSpeed = $isLongSpeed ? $longSpeedPerKm : $perKmSpeedBaseFromServer;
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$reductionPct40 = 0.0;
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if ($perKmSpeedBaseFromServer > 0) {
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$r = 1.0 - ($longSpeedPerKm / $perKmSpeedBaseFromServer);
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$reductionPct40 = max(0.0, min($maxReductionCap, $r));
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}
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$reductionPct100 = max(0.0, min($maxReductionCap, $reductionPct40 + $extraReduction100));
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$distanceReduction = 0.0;
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if ($billableDistance > 100.0) {
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$distanceReduction = $reductionPct100;
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} else if ($billableDistance > 40.0) {
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$distanceReduction = $reductionPct40;
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}
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date_default_timezone_set('Asia/Damascus');
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$hour = (int)date('H');
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$effectivePerMin = $naturePrice;
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if ($hour >= 21 || $hour < 1) {
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$effectivePerMin = $latePrice;
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} else if ($hour >= 1 && $hour < 5) {
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$effectivePerMin = $clubCtx ? ($latePrice * 2) : $latePrice;
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} else if ($hour >= 14 && $hour <= 17) {
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$effectivePerMin = $heavyPrice;
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}
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$billableMinutes = $totalMinutes;
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if ($billableDistance > $longDistThresholdKm) {
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$effectivePerMin = $longTripPerMin;
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$capped = ($billableMinutes > $minuteCapLong) ? $minuteCapLong : $billableMinutes;
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$billableMinutes = max(0, $capped - $freeMinutesLong);
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} else if ($billableDistance > $mediumDistThresholdKm) {
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$effectivePerMin = $longTripPerMin;
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$billableMinutes = ($billableMinutes > $minuteCapMedium) ? $minuteCapMedium : $billableMinutes;
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}
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$fare = $billableDistance * $perKmSpeed;
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$fare += $billableMinutes * $effectivePerMin;
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if ($airportCtx) $fare += $airportAddon;
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if ($damascusAirportBoundCtx || $isInDamascusAirportBoundCtx) {
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$fare += $damascusAirportBoundAddon;
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}
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$price = max($fare, $minFare);
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// Apply kazan (e.g. 11%)
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$withCommission = ceil($price * (1 + $kazanPercent / 100));
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$kazan = $withCommission - $price;
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$price_for_driver = $price;
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return [
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'price' => $price,
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'price_for_driver' => $price_for_driver,
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'withCommission' => $withCommission,
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'kazan' => $kazan,
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'isNightFare' => false
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];
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}
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// 2. Validate Promo Code
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$discount = 0;
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if (!empty($promo_code)) {
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$sqlPromo = "SELECT amount FROM `promos`
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WHERE promo_code = :promo_code
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AND (passengerID = :passenger_id OR passengerID LIKE '%all%')
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AND validity_start_date <= CURDATE()
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AND validity_end_date >= CURDATE()";
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$stmtPromo = $con->prepare($sqlPromo);
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$stmtPromo->execute([
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':promo_code' => $promo_code,
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':passenger_id' => $passenger_id
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]);
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if ($stmtPromo->rowCount() > 0) {
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$promoData = $stmtPromo->fetch(PDO::FETCH_ASSOC);
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$discount = (float) $promoData['amount'];
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}
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}
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// 3. Fetch Passenger Wallet (Negative Balance / Debt)
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// Using Redis for ultra-fast reads, with a fallback to the Payment Server API.
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$negativeBalance = 0;
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if (!empty($passenger_id)) {
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try {
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$redis = new Redis();
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$redis->connect('127.0.0.1', 6379);
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$redisKey = "passenger_debt_" . $passenger_id;
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$redisDebt = $redis->get($redisKey);
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if ($redisDebt !== false) {
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$negativeBalance = (float) $redisDebt;
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} else {
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// Fallback: If not in Redis, call the Payment Server Endpoint
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// TODO: Replace with the actual Payment Server Endpoint URL and API Key
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/*
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$paymentApiUrl = "https://payment.siroapp.com/api/get_debt?passenger_id=" . urlencode($passenger_id);
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$options = [
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"http" => [
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"header" => "Authorization: Bearer YOUR_API_KEY\r\n"
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]
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];
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$context = stream_context_create($options);
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$response = file_get_contents($paymentApiUrl, false, $context);
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if ($response !== false) {
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$data = json_decode($response, true);
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if (isset($data['debt'])) {
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$negativeBalance = (float) $data['debt'];
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// Cache the result in Redis for future pricing calls (e.g. 1 hour)
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$redis->setex($redisKey, 3600, $negativeBalance);
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}
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}
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*/
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}
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} catch (Exception $e) {
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// If Redis fails, gracefully default to 0 or fallback API
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$negativeBalance = 0;
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}
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}
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$prices = ['total' => $withCommission];
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// 4. Apply Discount and Negative Balance
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foreach ($prices as $key => $price) {
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// Apply discount (Assuming percentage discount if amount <= 100, else fixed amount)
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if ($discount > 0 && $discount <= 100) {
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$prices[$key] = max(0, $price - ($price * ($discount / 100)));
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} else {
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$prices[$key] = max(0, $price - $discount);
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}
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// Add negative balance
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$prices[$key] += $negativeBalance;
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}
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echo json_encode([
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'status' => 'success',
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'data' => $prices,
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'applied_discount' => $discount,
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'added_negative_balance' => $negativeBalance
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]);
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?>
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