/**
* @param \Leapt\AdminBundle\Datalist\Filter\DatalistFilterExpressionBuilder $builder
* @param \Leapt\AdminBundle\Datalist\Filter\DatalistFilterInterface $filter
* @param mixed $value
* @param array $options
*/
public function buildExpression(DatalistFilterExpressionBuilder $builder, DatalistFilterInterface $filter, $value, array $options)
{
if (is_array($options['search_fields'])) {
$expression = new CombinedExpression(CombinedExpression::OPERATOR_OR);
foreach ($options['search_fields'] as $searchField) {
$comparisonExpression = new ComparisonExpression($searchField, ComparisonExpression::OPERATOR_LIKE, $value);
$expression->addExpression($comparisonExpression);
}
} else {
$expression = new ComparisonExpression($options['search_fields'], ComparisonExpression::OPERATOR_LIKE, $value);
}
$builder->add($expression);
}
/**
* @param \Leapt\AdminBundle\Datalist\Filter\Expression\CombinedExpression $expression
* @return callable
* @throws \UnexpectedValueException
*/
private function buildCombinedExpressionCallback(CombinedExpression $expression)
{
$tests = array();
foreach ($expression->getExpressions() as $subExpression) {
$tests[] = $this->buildExpressionCallback($subExpression);
}
$operator = $expression->getOperator();
// If we have a "AND" expression, return a function testing that all sub-expressions succeed
if (CombinedExpression::OPERATOR_AND === $operator) {
$function = function ($item) use($tests) {
foreach ($tests as $test) {
if (!call_user_func($test, $item)) {
return false;
}
}
return true;
};
} elseif (CombinedExpression::OPERATOR_OR === $operator) {
$function = function ($item) use($tests) {
foreach ($tests as $test) {
if (call_user_func($test, $item)) {
return true;
}
}
return false;
};
} else {
throw new \UnexpectedValueException(sprintf('Unknown operator "%s"', $operator));
}
return $function;
}
/**
* @param Expression\ExpressionInterface $expression
*/
public function add(ExpressionInterface $expression)
{
$this->expression->addExpression($expression);
}
/**
* @param \Leapt\AdminBundle\Datalist\Filter\Expression\CombinedExpression $expression
* @return \Doctrine\ORM\Query\Expr\Andx|\Doctrine\ORM\Query\Expr\Orx
* @throws \UnexpectedValueException
*/
private function buildQueryBuilderCombinedExpression(CombinedExpression $expression)
{
$queryBuilderSubExpressions = array();
foreach ($expression->getExpressions() as $subExpression) {
$queryBuilderSubExpressions[] = $this->buildQueryBuilderExpression($subExpression);
}
$operator = $expression->getOperator();
if (CombinedExpression::OPERATOR_AND === $operator) {
$expr = $this->queryBuilder->expr()->andX();
} elseif (CombinedExpression::OPERATOR_OR === $operator) {
$expr = $this->queryBuilder->expr()->orX();
} else {
throw new \UnexpectedValueException(sprintf('Unknown operator "%s"', $operator));
}
$expr->addMultiple($queryBuilderSubExpressions);
return $expr;
}
