/**
* Retrieve all the tags.
*/
function index_get()
{
header('Access-Control-Allow-Origin: *');
$lat = $this->get('lat');
$lon = $this->get('lon');
$radiusInMeters = $this->get('radius');
$timespanInMinutes = $this->get('timespanInMinutes');
$tagModel = new TagModel($this->db);
if ($lat != null && $lon != null) {
if ($radiusInMeters == null) {
$radiusInMeters = self::LOCATION_RADIUS_METERS;
}
$tags = $tagModel->getTagsAroundLocation($lat, $lon, $radiusInMeters);
} else {
if ($timespanInMinutes == null) {
$timespanInMinutes = self::TIMESPAN_DEFAULT_DAYS * 24 * 60;
}
$fromDate = date("Y-m-d H:i:s", strtotime(date("Y-m-d H:i:s")) - $timespanInMinutes * 60);
$tags = $tagModel->getTags($fromDate);
}
$tagsJson = array();
foreach ($tags as $tag) {
$tagsJson[] = $tag->serialize();
}
if (empty($tagsJson)) {
$this->response(error('No tags found.', 404), 404);
} else {
$this->response($tagsJson);
}
}
