/**
* Load data of search
*
* Loads route data from overpass api.
*/
public function getData()
{
// add GET to variables
$this->variables = $_GET;
//array of keys that should be requested
$keys = array("ref", "network", "operator", "to", "from");
// build link
$query = '<query type="relation">';
foreach ($keys as $key) {
if (isset($this->variables[$key]) && $this->variables[$key]) {
$query .= '<has-kv case="ignore" k="' . $key . '" regv="' . htmlspecialchars($this->variables[$key]) . '"/>';
}
}
$query .= '<has-kv k="type" v="route"/><has-kv k="route" regv="train|tram|light_rail|subway"/></query><print/>';
if (Overpass::sendRequest($query)) {
$this->content = Overpass::$result;
return true;
} else {
$this->error = Overpass::$error;
return false;
}
}
/**
* function to send request
* @param String $query query for overpass api
* @return boolean true when request successful
*/
static function sendRequest($query)
{
$link = "http://overpass-api.de/api/interpreter?data=" . urlencode($query);
// get data from overpass api
$content = @file_get_contents($link);
// explanation about status codes of the overpass api can be found here: http://overpass-api.de/command_line.html
if (isset($http_response_header[0])) {
$status_code = self::getStatusCode($http_response_header[0]);
if ($status_code != 200) {
if ($status_code == 400) {
self::$error = Lang::l_("Invalid Overpass API query.");
//log error to send a correct query next time:
$msg = "Invalid Overpass API request. Query: " . $query;
log_error($msg);
} elseif ($status_code == 429) {
self::$error = Lang::l_("Too many requests to Overpass API at the same time.");
} elseif ($status_code == 504) {
self::$error = Lang::l_("Overpass API currently overcrowded.");
} else {
self::$error = Lang::l_("Unknown Error.");
//log error to show a proper error message next time:
$msg = "Unknown Error when requesting overpass api: " . $http_response_header[0] . " | URI: " . $link;
log_error($msg);
}
return false;
}
} else {
self::$error = Lang::l_("Connection failed.");
return false;
}
if (!$content) {
self::$error = Lang::l_("Empty result.");
return false;
}
self::$result = $content;
return true;
}
/**
* Load data of route
*
* Loads route data from overpass api, when not available yet.
*/
public function getData()
{
if (isset($_POST["id"])) {
$_GET["id"] = $_POST["id"];
if (isset($_POST["train"])) {
$_GET["train"] = $_POST["train"];
}
}
// no id set
if (!isset($_GET["id"])) {
// show error
return_error("no_id", "full");
die;
}
// get route id
$get_id = $_GET["id"];
// id is not a valid number
if (!is_numeric($get_id) || round($get_id) != $get_id) {
// exception for user routes of the scheme 12345_0
if (preg_match("/^[0-9]+[_][0-9]+\$/", $get_id)) {
$file = "./osmdata/user" . $get_id . ".osm";
if (file_exists($file)) {
$spl = preg_split("[_]", $get_id);
$this->id = $spl[0];
$this->filexml = $file;
$this->custom = true;
$this->custom_id = $get_id;
return;
} else {
return_error("invalid_id", "full");
die;
}
}
// show error
return_error("invalid_id", "full");
die;
}
// save id
$this->id = $get_id;
if (isset($_FILES["osmfile"])) {
$uploaddir = './osmdata/';
$uploadfile = $uploaddir . "user" . $this->id . "_";
$i = 0;
while (file_exists($uploadfile . $i . ".osm")) {
$i++;
}
$uploadfile .= $i . ".osm";
// try uploading file
if (move_uploaded_file($_FILES['osmfile']['tmp_name'], $uploadfile)) {
if (!@simplexml_load_file($uploadfile)) {
return_error("invalid_xml_file", "full");
unlink($uploadfile);
die;
}
} else {
return_error("upload_error", "full");
print_r($_FILES);
log_error("File upload error:" . print_r($_FILES["osmfile"]["error"]));
die;
}
$this->filexml = $uploadfile;
$this->custom = true;
$this->custom_id = $get_id . "_" . $i;
} else {
// build file name
$file_name = "osmdata/data" . $this->id . ".osm";
// check if data needs to be refreshed
$refresh = true;
// default value
// relation was already loaded
if (file_exists($file_name)) {
// check age of data
$this->filemtime = filemtime($file_name);
// data is younger than 7 days
if ($this->filemtime > time() - 7 * 24 * 60 * 60) {
$refresh = false;
}
}
// forced refresh
if (isset($_GET["rf"]) && $_GET["rf"] == "1") {
$refresh = true;
}
if (isset($_GET["maxspeed"]) && $_GET["maxspeed"] > 0) {
$this->vmz = $_GET["maxspeed"];
}
// get data from overpass-api when needed
if ($refresh) {
// build link to overpass api
$overpass_query = "[out:xml];(relation(" . $get_id . ");rel(br););out;(relation(" . $get_id . ");>>;);out;";
if (Overpass::sendRequest($overpass_query)) {
$this->refresh_success = true;
file_put_contents($file_name, Overpass::$result);
$this->filemtime = time();
} else {
$this->refresh_success = false;
}
}
$this->filexml = $file_name;
}
}
// ami eléggé hanyag dolog,
// mert lehet hogy nincs mind bent
if ($element['type'] != 'node') {
continue;
}
if (!$osm->inBBOX($element['lat'], $element['lon'])) {
continue;
}
$id = $element['type'] . '#' . $element['id'];
$display[$id] = true;
}
}
}
// friss adatokat töltünk le a befoglaló téglalapból
if (!isset($params['noosm'])) {
$overpass = Overpass::query($osm->bbox);
$data = json_decode($overpass, true);
if (is_array($data['elements'])) {
$elements = array_merge($elements, $data['elements']);
}
// ezeket mind megjelenítjük majd
foreach ($data['elements'] as $element) {
$id = $element['type'] . '#' . $element['id'];
$display[$id] = true;
}
}
$osmsites = array();
foreach ($elements as $element) {
$id = $element['type'] . '#' . $element['id'];
$osmsites[$id] = $element;
$tags = $element['tags'];
