/**
* Gets list of message groups filtered by user input.
* @return MessageGroup[]
*/
protected function getGroups()
{
$groups = MessageGroups::getGroupsByType('FileBasedMessageGroup');
// Include all if option not given
$include = $this->getOption('group', '*');
$include = explode(',', $include);
$include = array_map('trim', $include);
$include = MessageGroups::expandWildcards($include);
// Exclude nothing if option not given
$exclude = $this->getOption('skipgroup', '');
$exclude = explode(',', $exclude);
$exclude = array_map('trim', $exclude);
$exclude = MessageGroups::expandWildcards($exclude);
// Flip to allow isset
$include = array_flip($include);
$exclude = array_flip($exclude);
$groups = array_filter($groups, function (MessageGroup $group) use($include, $exclude) {
$id = $group->getId();
return isset($include[$id]) && !isset($exclude[$id]);
});
return $groups;
}