/**
* Solve the group context.
*
* @param string $logical
* @param bool $negation
*
* @return Builder
*/
protected function solveContext($logical, $negation)
{
if ($this->group->getOperator() !== $logical) {
// If the current group operator is different from the requested
// spawn a new group and nest the current one
$group = GroupFactory::build($logical);
$this->group->nest($group);
$this->group = $group;
}
if ($negation) {
// Create a new ! group, push it without clone and return to
// build query on it.
$context = GroupFactory::build('!');
$group = GroupFactory::build();
$context->push($group, false);
$this->group->push($context, false);
return $group;
}
return $this->group;
}
/**
* Nest this Group to provided parent.
*
* @param Group $parent
*
* @return void
*/
public function nest(Group $parent)
{
$parent->push($this);
}