public function upload()
{
// Check for request forgeries.
JRequest::checkToken() or jexit(JText::_('JINVALID_TOKEN'));
$this->errors = array();
// Initialise variables.
$app = JFactory::getApplication();
$model = $this->getModel('uploadtrack');
$view = $this->getView('uploadtrack', 'html');
$view->setModel($model, true);
$wi = $model->getWalkInstance();
// Are we uploading a track, or saving the track we've already uploaded?
$file = JRequest::getVar('file', array(), 'FILES', 'array');
if (!empty($file) && $file['error'] == UPLOAD_ERR_OK) {
// We've been given a GPX file. Try to parse it.
$gpx = DOMDocument::load($file['tmp_name']);
if ($gpx && $gpx->getElementsByTagName("gpx")->length == 1) {
$route = new Route();
$wi = $model->getWalkInstance();
if ($wi != null) {
$route->setWalk($wi);
}
$route->readGPX($gpx);
$route->uploadedBy = JFactory::getUser()->id;
$route->uploadedDateTime = time();
$route->type = Route::Type_Logged;
if ($wi != null) {
// Check that this route matches the walk
if ($route->checkAgainstWalk($model->getWalkInstance(), $message, $details)) {
// Store this route for later requests
JFactory::getApplication()->setUserState("uploadedroute", serialize($route));
} else {
throw new UserException("Can't upload this track", 0, "This track doesn't match that walk", $message . ": " . $details);
}
} else {
// Try to find a matching walk
$wi = $route->findMatchingWalk();
if (isset($wi)) {
$route->setWalk($wi);
// Store this route for later requests
JFactory::getApplication()->setUserState("uploadedroute", serialize($route));
$model->setWalkInstance($wi);
} else {
throw new Exception("That track doesn't match any walks. Check that it doesn't contain anything other than the walk.");
}
}
} else {
throw new Exception("The track you uploaded is not a valid GPX file. If your track is in another format, please convert it to GPX first, then upload it again.");
}
$view->display();
} else {
$route = unserialize(JFactory::getApplication()->getUserState("uploadedroute"));
if ($route) {
$route->save();
// Set the distance on the WalkInstance, if it's not already set
if (empty($wi->distance)) {
$wi->distance = $route->getDistance();
$wi->save();
}
} else {
throw new Exception("There was an error while saving your track. You can try again in a while, or email us if that doesn't work.");
}
// Redirect to the specified page after saving
$itemid = JRequest::getInt('returnPage');
if (empty($itemid)) {
return false;
}
$item = JFactory::getApplication()->getMenu()->getItem($itemid);
$link = new JURI("/" . $item->route);
// Jump to the event?
if (JRequest::getBool('jumpToEvent')) {
$link->setFragment("walk_" . $wi->id);
}
JFactory::getApplication()->redirect($link, "Track saved");
}
}
