public function location_handler_sort_location_distance::query in Location 7.3
Same name and namespace in other branches
- 6.3 handlers/location_handler_sort_location_distance.inc \location_handler_sort_location_distance::query()
- 7.5 handlers/location_handler_sort_location_distance.inc \location_handler_sort_location_distance::query()
- 7.4 handlers/location_handler_sort_location_distance.inc \location_handler_sort_location_distance::query()
Called to add the sort to a query.
Overrides views_handler_sort::query
File
- handlers/
location_handler_sort_location_distance.inc, line 148 - Coordinates sort handler.
Class
Code
public function query() {
$coordinates = location_views_proximity_get_reference_location($this->view, $this->options);
$this
->ensure_my_table();
// OK, so this part will need a little explanation.
// Since the distance calculation is so icky, we try quite hard
// to save some work for the database.
// If someone has added a field that matches the sort, we just sort on that column!
$alias = $this->table_alias . '_' . $this->field . '_sort';
foreach ($this->view->field as $filter) {
if ($filter->table == 'location' && $filter->field == 'distance' && $filter->options['relationship'] == $this->options['relationship']) {
if ($filter->options['origin'] == $this->options['origin'] && $filter->options['latitude'] == $this->options['latitude'] && $filter->options['longitude'] == $this->options['longitude']) {
// We have a match! Sync aliases to make it easier on the database.
$alias = $filter->field_alias;
}
}
}
if (empty($coordinates)) {
// We don't know the distance.
// Therefore, we don't need to sort on it.
}
else {
// This is done exactly the same as the field version.
// Views is ok with us redefining the formula for a field.
// If ANYTHING differs in the configuration, we will use a new alias.
$this->query
->add_orderby(NULL, earth_distance_sql($coordinates['longitude'], $coordinates['latitude'], $this->table_alias), $this->options['order'], $alias);
}
}