public function testParseExpression2()
{
$expressionProvider = new PHPExpressionProvider('$lt');
$filterExpression = 'UnitPrice ge 6';
$resourceType = $this->_northWindMetadata->resolveResourceSet('Order_Details')->getResourceType();
$filterInfo = ExpressionParser2::parseExpression2($filterExpression, $resourceType, $expressionProvider);
$this->assertTrue(!is_null($filterInfo));
//There are no navigation properties in the expression so should be empty.
$this->assertEquals(array(), $filterInfo->getNavigationPropertiesUsed());
$this->assertEquals('(!(is_null($lt->UnitPrice)) && ($lt->UnitPrice >= 6))', $filterInfo->getExpressionAsString());
$filterExpression = 'Order/Customer/CustomerID eq \'ANU\' or Product/ProductID gt 123 and UnitPrice ge 6';
$filterInfo = ExpressionParser2::parseExpression2($filterExpression, $resourceType, $expressionProvider);
$this->assertTrue(!is_null($filterInfo));
$navigationsUsed = $filterInfo->getNavigationPropertiesUsed();
$this->assertTrue(!is_null($navigationsUsed));
$this->assertTrue(is_array($navigationsUsed));
$this->assertEquals(count($navigationsUsed), 2);
//Order/Customer
$this->assertTrue(is_array($navigationsUsed[0]));
$this->assertEquals(count($navigationsUsed[0]), 2);
//Product
$this->assertTrue(is_array($navigationsUsed[1]));
$this->assertEquals(count($navigationsUsed[1]), 1);
//Verify 'Order/Customer'
$this->assertTrue(is_object($navigationsUsed[0][0]));
$this->assertTrue(is_object($navigationsUsed[0][1]));
$this->assertTrue($navigationsUsed[0][0] instanceof ResourceProperty);
$this->assertTrue($navigationsUsed[0][1] instanceof ResourceProperty);
$this->assertEquals($navigationsUsed[0][0]->getName(), 'Order');
$this->assertEquals($navigationsUsed[0][1]->getName(), 'Customer');
//Verify 'Product'
$this->assertTrue(is_object($navigationsUsed[1][0]));
$this->assertTrue($navigationsUsed[1][0] instanceof ResourceProperty);
$this->assertEquals($navigationsUsed[1][0]->getName(), 'Product');
$filterExpression = 'Customer/Address/LineNumber add 4 eq 8';
$resourceType = $this->_northWindMetadata->resolveResourceSet('Orders')->getResourceType();
$filterInfo = ExpressionParser2::parseExpression2($filterExpression, $resourceType, $expressionProvider);
$this->assertTrue(!is_null($filterInfo));
$navigationsUsed = $filterInfo->getNavigationPropertiesUsed();
//Customer
$this->assertTrue(!is_null($navigationsUsed));
$this->assertTrue(is_array($navigationsUsed));
$this->assertEquals(count($navigationsUsed), 1);
$this->assertTrue(is_array($navigationsUsed[0]));
$this->assertEquals(count($navigationsUsed[0]), 1);
//Verify 'Customer'
$this->assertTrue(is_object($navigationsUsed[0][0]));
$this->assertTrue($navigationsUsed[0][0] instanceof ResourceProperty);
$this->assertEquals($navigationsUsed[0][0]->getName(), 'Customer');
//Test with property acess expression in function call
$filterExpression = 'replace(Customer/CustomerID, \'LFK\', \'RTT\') eq \'ARTTI\'';
$filterInfo = ExpressionParser2::parseExpression2($filterExpression, $resourceType, $expressionProvider);
$this->assertTrue(!is_null($filterInfo));
$navigationsUsed = $filterInfo->getNavigationPropertiesUsed();
//Customer
$this->assertTrue(!is_null($navigationsUsed));
$this->assertTrue(is_array($navigationsUsed));
$this->assertEquals(count($navigationsUsed), 1);
$this->assertTrue(is_array($navigationsUsed[0]));
$this->assertEquals(count($navigationsUsed[0]), 1);
//Verify 'Customer'
$this->assertTrue(is_object($navigationsUsed[0][0]));
$this->assertTrue($navigationsUsed[0][0] instanceof ResourceProperty);
$this->assertEquals($navigationsUsed[0][0]->getName(), 'Customer');
}
/**
* Process the $filter option in the request and update request decription.
*
* @return void
*
* @throws ODataException Throws error in the following cases:
* (1) If $filter cannot be applied to the
* resource targeted by the request uri
* (2) If any error occured while parsing and
* translating the odata $filter expression
* to expression tree
* (3) If any error occured while generating
* php expression from expression tree
*/
private function _processFilter()
{
$filter = $this->service->getHost()->getQueryStringItem(ODataConstants::HTTPQUERY_STRING_FILTER);
if (is_null($filter)) {
return;
}
$kind = $this->request->getTargetKind();
if (!($kind == TargetKind::RESOURCE() || $kind == TargetKind::COMPLEX_OBJECT() || $this->request->queryType == QueryType::COUNT())) {
throw ODataException::createBadRequestError(Messages::queryProcessorQueryFilterOptionNotApplicable());
}
$resourceType = $this->request->getTargetResourceType();
$expressionProvider = $this->service->getProvidersWrapper()->getExpressionProvider();
$filterInfo = ExpressionParser2::parseExpression2($filter, $resourceType, $expressionProvider);
$this->request->setFilterInfo($filterInfo);
}