public function leaveLendingGroup(LendingGroup $group, Lender $lender)
{
$member = LendingGroupMemberQuery::create()->filterByLendingGroup($group)->filterByMember($lender)->findone();
if ($member) {
if ($group->isLeader($member->getMember())) {
return false;
}
$member->setLeaved(true);
$member->save();
return true;
}
}
public function isMember(Lender $lender)
{
$count = LendingGroupMemberQuery::create()->filterByGroupId($this->getId())->filterByMember($lender)->filterByLeaved(false)->count();
return $count > 0;
}
