69 lines
1.4 KiB
PHP
69 lines
1.4 KiB
PHP
<?php $app = require '../../../app/inc.php';
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/**
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* We originally wanted to use SSE for this, but the hosting provider
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* did not support that so we resorted to simple polling instead
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*
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* This page compiles a set of times and sends it if the provided hash of
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* the data is not equal.
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*/
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use App\Teamtable\TeamMapper;
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use App\Timetable\TimeMapper;
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$team_mapper = new TeamMapper($app->database->conn);
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$time_mapper = new TimeMapper($app->database->conn);
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$prev_hash = filter_input(INPUT_GET, 'h');
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$teams = [];
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$name_map = [];
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$times = [];
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$time_ref = NULL;
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foreach ($time_mapper->getAll() as $time)
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{
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if (!isset($teams[$time->team_id]))
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{
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$teams[$time->team_id] = $team_mapper->get($time->team_id);
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}
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$team = $teams[$time->team_id];
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if (!isset($name_map[$team->id]))
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{
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$name_map[$team->id] = htmlspecialchars($team->name);
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}
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if ($time_ref === NULL)
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{
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$time_ref = $time->date->getTimestamp();
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}
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$row = [
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"id" => $team->id,
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"time" => ($time->date->getTimestamp() - $time_ref)
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];
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array_push($times, $row);
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}
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$data = [
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"map" => [
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"team" => [
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"name" => $name_map,
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],
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"time_reference" => $time_ref
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],
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"times" => $times
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];
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$hash = hash('crc32', serialize($data));
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if ($prev_hash !== $hash)
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{
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$app->api([
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"hash" => $hash,
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"data" => $data
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]);
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}
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// return nothing
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http_response_code(204); |