Ensure title changes between pages for bookmarking purposes
[bus.git] / busui / layar_api.php
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<?php
include('common.inc.php');
$output = Array();
$output['hotspots'] = Array();
$output['layer'] = "canberrabusstops";
 
$page_start = 0+$_REQUEST['pageKey'];
$page_end = 10+$_REQUEST['pageKey'];
$max_results = 50;
if ($page_end >= $max_results) {
 $output["morePages"] = false;
 $output["nextPageKey"] = null;
} else {
 $output["morePages"] = true;
 $output["nextPageKey"] = $page_end;    
}
 
$url = $APIurl."/json/neareststops?lat={$_REQUEST['lat']}&lon={$_REQUEST['lon']}&limit=50";
$contents = json_decode(getPage($url));
debug(print_r($contents,true));
$stopNum = 0;
foreach ($contents as $row)
{
    $stopNum++;
    if ($stopNum > $page_start && $stopNum < $page_end) {
        $hotspot = Array();
        $hotspot['id'] = $row[0];
        $hotspot['title'] = $row[1];
        $hotspot['type'] = 0;
        $hotspot['lat'] = floor($row[2]*1000000);
        $hotspot['lon'] = floor($row[3]*1000000);
        $hotspot['distance'] = distance($row[2], $row[3], $_REQUEST['lat'], $_REQUEST['lon']);
        if (!isset($_REQUEST['radius']) || $hotspot['distance'] < $_REQUEST['radius']) {
            $hotspot['actions'] = Array(Array("label" => 'Visit Webpage', 'uri' => 'http://bus.lambdacomplex.org/'.'stop.php?stopid='.$row[0]));
            $url = $APIurl."/json/stoptrips?stop=".$row[0]."&time=".midnight_seconds()."&service_period=".service_period();
            $trips = json_decode(getPage($url));
            debug(print_r($trips,true));
            foreach ($trips as $key => $row)
            {
                if ($key < 3) {
                    $hotspot['line'.strval($key+2)]= $row[1][1] .' @ ' .midnight_seconds_to_time($row[0]);
                }
            }
            if (sizeof($trips) == 0) $hotspot['line2'] = 'No trips in the near future.';
            $output['hotspots'][] = $hotspot;
        }
    }
}
if (sizeof($hotspot) > 0) {
    $output['errorString'] = 'ok';
    $output['errorCode'] = 0;
    } else {
    $output['errorString'] = 'no results, try increasing range';
    $output['errorCode'] = 21;
}
echo json_encode($output);
?>