public function __invoke($entities)
{
if (!is_array($entities)) {
throw new FormatterException('Collection formatter requries an array of entities');
}
$output = ['type' => 'FeatureCollection', 'features' => []];
foreach ($entities as $entity) {
$geometries = [];
foreach ($entity->values as $attribute => $values) {
foreach ($values as $value) {
if ($geometry = $this->valueToGeometry($value)) {
$geometries[] = $geometry;
}
}
}
if (!empty($geometries)) {
$output['features'][] = ['type' => 'Feature', 'geometry' => ['type' => 'GeometryCollection', 'geometries' => $geometries], 'properties' => ['title' => $entity->title, 'description' => $entity->content, 'id' => $entity->id, 'url' => URL::site(Ushahidi_Rest::url($entity->getResource(), $entity->id), Request::current())]];
}
}
if ($this->search->bbox) {
if (is_array($this->search->bbox)) {
$bbox = $this->search->bbox;
} else {
$bbox = explode(',', $this->search->bbox);
}
$output['bbox'] = $bbox;
}
return $output;
}
/**
* Format relations into url/id arrays
* @param string $resource resource name as used in urls
* @param int $id resource id
* @return array
*/
protected function get_relation($resource, $id)
{
return !$id ? NULL : ['id' => $id, 'url' => URL::site(Ushahidi_Rest::url($resource, $id), Request::current())];
}