/**
* Format the predicate object by grouping nested predicates and parameters.
*
* @param \Titon\Db\Query\Predicate $predicate
* @return string
*/
public function formatPredicate(Predicate $predicate)
{
$output = [];
foreach ($predicate->getParams() as $param) {
if ($param instanceof Predicate) {
$output[] = sprintf($this->getClause(self::GROUP), $this->formatPredicate($param));
} else {
if ($param instanceof Expr) {
$output[] = $this->formatExpression($param);
}
}
}
return implode(' ' . $this->getKeyword($predicate->getType()) . ' ', $output);
}
/**
* Modify a predicate by adding additional clauses.
*
* @param \Titon\Db\Query\Predicate $predicate
* @param int $type
* @param string $field
* @param mixed $op
* @param mixed $value
* @return $this
* @throws \Titon\Db\Exception\ExistingPredicateException
*/
protected function _modifyPredicate(&$predicate, $type, $field, $op, $value)
{
if (!$predicate) {
$predicate = new Predicate($type);
} else {
if ($predicate->getType() !== $type) {
throw new ExistingPredicateException(sprintf('Predicate clause already created using "%s" conjunction', $predicate->getType()));
}
}
if ($field instanceof Closure) {
$predicate->bindCallback($field, $this);
} else {
if ($value !== null || in_array($op, [Expr::NULL, Expr::NOT_NULL], true)) {
$predicate->add($field, $op, $value);
} else {
if ($op === '!=') {
$predicate->notEq($field, $value);
} else {
$predicate->eq($field, $op);
}
}
}
return $this;
}
public function testGetType()
{
$this->assertEquals(Predicate::ALSO, $this->object->getType());
$pred = new Predicate(Predicate::MAYBE);
$this->assertEquals(Predicate::MAYBE, $pred->getType());
}
