function controller_waypoints($args, $output = "inline")
{
$location["tr"] = explode(",", $args["tr"]);
$location["bl"] = explode(",", $args["bl"]);
$location["tl"] = array($location["tr"][0], $location["bl"][1]);
$location["br"] = array($location["bl"][0], $location["tr"][1]);
$location["center"] = array($location["bl"][0] + ($location["tr"][0] - $location["bl"][0]) / 2, $location["bl"][1] + ($location["tr"][1] - $location["bl"][1]) / 2);
$zoom = any($args["zoom"], 1);
$yelp = new Yelp();
$wherestr = "WHERE {NavigationLocation.lat} <= " . mysql_escape_string($location["tr"][0]) . " AND {NavigationLocation.lat} >= " . mysql_escape_string($location["bl"][0]);
$wherestr .= " AND {NavigationLocation.lon} <= " . mysql_escape_string($location["tr"][1]) . " AND {NavigationLocation.lon} >= " . mysql_escape_string($location["bl"][1]);
$wherestr .= " AND {NavigationLocation.zoom_min} <= " . mysql_escape_string($zoom) . " AND {NavigationLocation.zoom_max} >= " . mysql_escape_string($zoom);
$wherestr .= " AND {NavigationLocation.name} != 'mapcenter'";
$locations_center = $this->conn->load("NavigationLocation", "mapcenter");
if (empty($locations_center)) {
$locations_center = new NavigationLocation();
$locations_center->locationid = "mapcenter";
$locations_center->name = "mapcenter";
$locations_center->type = "hidden";
}
$locations_center->lat = $location["center"][0];
$locations_center->lon = $location["center"][1];
$locations_center->zoom_min = $zoom;
$locations_center->zoom_max = $zoom;
$this->conn->save($locations_center);
$locations_db = $this->conn->select("NavigationLocation", $wherestr);
$locations_yelp = $yelp->getReviews($location);
if (is_array($locations_db) && is_array($locations_yelp)) {
$locations = array_merge($locations_yelp, $locations_db);
} else {
$locations = any($locations_db, $locations_yelp);
}
$ret = json_encode($locations);
return $ret;
}
