blob: ba3ec2f6475d9f4b3f8d1e81352e4fc8c5012619 [file] [log] [blame]
<?php
class api {
private static function writeJSON($array) {
echo json_encode($array);
}
private static function error($error = null) {
self::writeJSON(["status" => "error", "error" => $error]);
exit();
}
private static function returnData($data) {
self::writeJSON(["status" => "ok", "data" => $data]);
exit();
}
private static function transformRouteShortName($name) {
if ($name == "L9N") return "L9";
if ($name == "L10N") return "L10";
return $name;
}
public static function handleRequest() {
global $_GET, $_POST, $conf;
header("Content-Type: application/json");
if (!isset($_GET["action"])) self::error("actionNotProvided");
$gtfs = new gtfs();
switch ($_GET["action"]) {
case "routes":
self::returnData($gtfs->getRoutes());
break;
case "trips":
if (!isset($_GET["route"])) self::error("missingArguments");
$route = $_GET["route"];
self::returnData($gtfs->getTrips($route));
break;
case "stations":
self::returnData($gtfs->getStations(true));
/*$estacionsFull = tmbApi::request("transit/linies/metro/".$linia."/estacions");
if ($estacionsFull === false || !isset($estacionsFull["features"])) self::error("unexpected");
$estacions = [];
foreach ($estacionsFull["features"] as $estacio) {
if (!isset($estacio["properties"])) self::error("unexpected");
$estacions[] = [
"id" => $estacio["properties"]["CODI_ESTACIO"] ?? null,
"nom" => $estacio["properties"]["NOM_ESTACIO"] ?? "",
"color" => $estacio["properties"]["COLOR_LINIA"] ?? "000",
"ordre" => $estacio["properties"]["ORDRE_ESTACIO"] ?? 0
];
}
usort($estacions, function ($a, $b) {
return $a["ordre"] - $b["ordre"];
});*/
break;
case "getTimes":
if (!isset($_GET["stop"])) self::error("missingArguments");
$stop = $gtfs->getStop($_GET["stop"]);
$times = $gtfs->getStopTimes($_GET["stop"]);
$todayTimestamp = (new DateTime("today"))->getTimestamp();
$nowTimestamp = (new DateTime("now"))->getTimestamp();
$schedules = [];
$routes = [];
foreach ($times as $time) {
if ($time["trip_headsign"] == $stop["stop_name"]) continue;
if ($time["date"]) {
// In this case the train was specifically scheduled for this date,
// so we are given the exact date.
$date = new DateTime($time["date"]);
$arrivalTime = gtfs::time2seconds($time["arrival_time"], false);
$departureTime = gtfs::time2seconds($time["departure_time"], false);
while ($departureTime >= 24*60*60) {
$arrivalTime -= 24*60*60;
$departureTime -= 24*60*60;
$date->add(new DateInterval("P1D"));
}
$dayTimestamp = $date->getTimestamp();
} else {
// In this case the train was scheduled several days, so we'll check
// whether the train has already passed today (in which case it will
// pass tomorrow) or it hasn't (in which case it will pass today).
$arrivalTime = gtfs::time2seconds($time["arrival_time"], true);
$departureTime = gtfs::time2seconds($time["departure_time"], true);
if ($todayTimestamp + $departureTime >= $nowTimestamp)
$dayTimestamp = $todayTimestamp;
else
$dayTimestamp = $todayTimestamp->add(new DateInterval("P1D"));
}
$schedule = [
"destination" => $time["trip_headsign"],
"arrivalTime" => $dayTimestamp + $arrivalTime,
"departureTime" => $dayTimestamp + $departureTime,
"route" => self::transformRouteShortName($time["route_short_name"]),
"color" => $time["route_color"],
"textColor" => $time["route_text_color"]
];
if (isset($_GET["includeSqlRows"]))
$schedule["originalSqlRow"] = $time;
$schedules[] = $schedule;
if (!in_array($time["route_short_name"], $routes)) $routes[] = $time["route_short_name"];
}
$timeSinceMidnight = gtfs::timeSinceMidnight();
usort($schedules, function($a, $b) use ($timeSinceMidnight) {
return ($a["departureTime"] - $b["departureTime"]) % (24*60*60);
});
$data = [
"schedules" => $schedules,
"numRoutes" => count($routes)
];
self::returnData($data);
break;
default:
self::error("actionNotImplemented");
}
}
}