public function filter_unique(filter $field)
{
$values = [];
$objects = [];
$inner_field = $field->inner_field();
if ($inner_field instanceof field_mlink) {
$this->iterate(function ($object) use(&$values, &$objects, $field) {
foreach ($object->{$field->field_name} as $key => $link) {
if (!isset($values[$link])) {
$values[$link]['count'] = 1;
$values[$link]['title'] = $object->{$field->field_name . '_elements'}[$key]->get_title();
$values[$link]['value'] = $link;
} else {
$values[$link]['count']++;
}
}
});
} else {
if ($inner_field instanceof field_link) {
$field_name = get::__class_name($inner_field->get_link_module());
$this->iterate(function ($object) use(&$values, &$objects, $field, $field_name) {
$key = $object->{$field_name}->get_primary_key();
if (!isset($values[$key])) {
$values[$key]['count'] = 1;
$values[$key]['title'] = $object->{$field_name}->get_title();
$values[$key]['value'] = $key;
} else {
$values[$key]['count']++;
}
});
} else {
$this->iterate(function ($object) use(&$values, $field) {
if (!isset($values[$object->{$field->field_name}])) {
$values[$object->{$field->field_name}]['count'] = 1;
$values[$object->{$field->field_name}]['title'] = $object->get_title();
$values[$object->{$field->field_name}]['value'] = $object->{$field->field_name};
} else {
$values[$object->{$field->field_name}]['count']++;
}
});
}
}
if (isset($field->order)) {
$order = $field->order == 'title' ? 'title' : 'count';
$reverse = isset($field->options['order_dir']) && $field->options['order_dir'] == 'desc';
usort($values, function ($a, $b) use($order, $reverse) {
if ($reverse) {
return $a[$order] > $b[$order] ? 1 : -1;
} else {
return $a[$order] < $b[$order] ? 1 : -1;
}
});
}
$return = [];
foreach ($values as $key => $value) {
$return[$value['value']] = $value['title'] . ' (' . $value['count'] . ')';
}
return $return;
}
public function get_filters()
{
$filters = filter::get_all(['title', 'link_mid AS link_mid', 'link_fid AS link_fid', 'order'], ['where_equals' => ['link_mid' => static::get_module_id()]]);
$filters->iterate(function (filter $filter) {
foreach ($this->get_fields() as $field) {
if ($field->fid == $filter->link_fid) {
$filter->set_field($field);
return;
}
}
throw new \RuntimeException('Filter field ' . $filter->fid . ' is linked to a field that doesn\'t belong to its module');
});
return $filters;
}