56 lines
1.8 KiB
PHP
56 lines
1.8 KiB
PHP
<?php
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require dirname(__DIR__) . "../../includes/bootstrap.php";
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$response = [];
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$station = StationRepository::getInstance()->getObjectById($_GET['id'] ?? null);
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if ($station->isExistingObject()) {
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$numberOfHours = $_GET['hours'] ?? 1;
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$columns = ['timestamp'];
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$type = 'speed';
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if ($_GET['type'] == 'speed') {
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$type = 'speed';
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if ($_GET['imperialUnits'] ?? '0' == '1') {
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$response[] = array('Time', 'Speed (mph)');
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} else {
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$response[] = array('Time', 'Speed (kmh)');
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}
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} else {
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$type = 'altitude';
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if ($_GET['imperialUnits'] ?? '0' == '1') {
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$response[] = array('Time', 'Altitude (ft)');
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} else {
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$response[] = array('Time', 'Altitude (m)');
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}
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}
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$columns[] = $type;
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$packets = PacketRepository::getInstance()->getLatestDataListByStationId($_GET['id'] ?? null, $numberOfHours, $columns);
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foreach($packets as $packet) {
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$value = floatval($packet[$type]);
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if ($_GET['imperialUnits'] ?? '0' == '1') {
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if ($type == 'speed') {
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$value = convertKilometerToMile($value);
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} else if ($type == 'altitude') {
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$value = convertMeterToFeet($value);
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}
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}
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if ($type == 'speed' && count($response) > 1) {
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if (isset($response[count($response) - 1])) {
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$prevTimestamp = $response[count($response) - 1][0];
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if ($prevTimestamp < ($packet['timestamp'] - 60*60)) {
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// Previous value is old, make sure we have a break in graph
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$response[] = array($prevTimestamp + 1, null);
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}
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}
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}
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$response[] = [$packet['timestamp'], $value];
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}
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}
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header('Content-type: application/json');
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echo json_encode($response);
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