/**
* Sort threaded result, using THREAD=REFS method if available.
* If not, use any method and re-sort the result in THREAD=REFS way.
*
* @param rcube_result_thread $threads Threads result set
*/
protected function sort_threads($threads)
{
if ($threads->is_empty()) {
return;
}
// THREAD=ORDEREDSUBJECT: sorting by sent date of root message
// THREAD=REFERENCES: sorting by sent date of root message
// THREAD=REFS: sorting by the most recent date in each thread
if ($this->threading != 'REFS' || $this->sort_field && $this->sort_field != 'date') {
$sortby = $this->sort_field ? $this->sort_field : 'date';
$index = $this->index($this->folder, $sortby, $this->sort_order, true, true);
if (!$index->is_empty()) {
$threads->sort($index);
}
} else {
if ($this->sort_order != $threads->get_parameters('ORDER')) {
$threads->revert();
}
}
}
/**
* Sort threaded result, using THREAD=REFS method
*
* @param rcube_result_thread $threads Threads result set
*/
protected function sort_threads($threads)
{
if ($threads->is_empty()) {
return;
}
// THREAD=ORDEREDSUBJECT: sorting by sent date of root message
// THREAD=REFERENCES: sorting by sent date of root message
// THREAD=REFS: sorting by the most recent date in each thread
if ($this->sort_field && ($this->sort_field != 'date' || $this->get_capability('THREAD') != 'REFS')) {
$index = $this->index_direct($this->folder, $this->sort_field, $this->sort_order, false);
if (!$index->is_empty()) {
$threads->sort($index);
}
} else {
if ($this->sort_order != $threads->get_parameters('ORDER')) {
$threads->revert();
}
}
}