/** * Process the $expand and $select option and update the request description. * * @return void * * @throws ODataException Throws bad request error in the following cases * (1) If $expand or select cannot be applied to the * requested resource. * (2) If projection is disabled by the developer * (3) If some error occurs while parsing the options */ private function _processExpandAndSelect() { $expand = $this->_dataService->getHost()->getQueryStringItem(ODataConstants::HTTPQUERY_STRING_EXPAND); if (!is_null($expand)) { $this->_checkExpandOrSelectApplicable(ODataConstants::HTTPQUERY_STRING_EXPAND); } $select = $this->_dataService->getHost()->getQueryStringItem(ODataConstants::HTTPQUERY_STRING_SELECT); if (!is_null($select)) { if (!$this->_dataService->getServiceConfiguration()->getAcceptProjectionRequests()) { ODataException::createBadRequestError(Messages::dataServiceConfigurationProjectionsNotAccepted()); } $this->_checkExpandOrSelectApplicable(ODataConstants::HTTPQUERY_STRING_SELECT); } // We will generate RootProjectionNode in case of $link request also, but // expand and select in this case must be null (we are ensuring this above) // 'RootProjectionNode' is required while generating next page Link if ($this->_expandSelectApplicable || $this->_requestDescription->isLinkUri()) { try { $rootProjectionNode = ExpandProjectionParser::parseExpandAndSelectClause($this->_requestDescription->getTargetResourceSetWrapper(), $this->_requestDescription->getTargetResourceType(), $this->_requestDescription->getInternalOrderByInfo(), $this->_requestDescription->getSkipCount(), $this->_requestDescription->getTopCount(), $expand, $select, $this->_dataService->getMetadataQueryProviderWrapper()); if ($rootProjectionNode->isSelectionSpecified()) { $this->_requestDescription->raiseMinimumVersionRequirement(2, 0, $this->_dataService); } if ($rootProjectionNode->hasPagedExpandedResult()) { $this->_requestDescription->raiseResponseVersion(2, 0, $this->_dataService); } $this->_requestDescription->setRootProjectionNode($rootProjectionNode); } catch (ODataException $odataException) { throw $odataException; } } }
/** * Process the given request Uri and creates an instance of * RequestDescription from the processed uri. * * @param Url &$absoluteRequestUri The absolute request uri. * @param DataService &$dataService Reference to the data service * instance. * * @return RequestDescription * * @throws ODataException If any exception occurs while processing the segments * or incase of any version incompatibility. */ public static function process(Url &$absoluteRequestUri, DataService &$dataService) { $absoluteRequestUri = $dataService->getHost()->getAbsoluteRequestUri(); $absoluteServiceUri = $dataService->getHost()->getAbsoluteServiceUri(); $requestUriSegments = array_slice($absoluteRequestUri->getSegments(), $absoluteServiceUri->getSegmentCount()); $segmentDescriptors = null; try { $segmentDescriptors = SegmentParser::parseRequestUriSegements($requestUriSegments, $dataService->getMetadataQueryProviderWrapper(), true); } catch (ODataException $odataException) { throw $odataException; } $requestDescription = new RequestDescription($segmentDescriptors, $absoluteRequestUri); $requestTargetKind = $requestDescription->getTargetKind(); if ($requestTargetKind != RequestTargetKind::METADATA && $requestTargetKind != RequestTargetKind::BATCH && $requestTargetKind != RequestTargetKind::SERVICE_DIRECTORY) { if ($requestTargetKind != RequestTargetKind::PRIMITIVE_VALUE && $requestTargetKind != RequestTargetKind::MEDIA_RESOURCE) { $requestDescription->setContainerName($requestDescription->getIdentifier()); } else { // http://odata/NW.svc/Orders/$count // http://odata/NW.svc/Orders(123)/Customer/CustomerID/$value // http://odata/NW.svc/Employees(1)/$value // http://odata/NW.svc/Employees(1)/ThumbNail_48X48/$value $requestDescription->setContainerName($segmentDescriptors[count($segmentDescriptors) - 2]->getIdentifier()); } if ($requestDescription->getIdentifier() === ODataConstants::URI_COUNT_SEGMENT) { if (!$dataService->getServiceConfiguration()->getAcceptCountRequests()) { ODataException::createBadRequestError(Messages::dataServiceConfigurationCountNotAccepted()); } $requestDescription->setRequestCountOption(RequestCountOption::VALUE_ONLY); // use of $count requires request DataServiceVersion // and MaxDataServiceVersion // greater than or equal to 2.0 $requestDescription->raiseResponseVersion(2, 0, $dataService); $requestDescription->raiseMinimumVersionRequirement(2, 0, $dataService); } else { if ($requestDescription->isNamedStream()) { $requestDescription->raiseMinimumVersionRequirement(3, 0, $dataService); } else { if ($requestDescription->getTargetKind() == RequestTargetKind::RESOURCE) { if (!$requestDescription->isLinkUri()) { $resourceSetWrapper = $requestDescription->getTargetResourceSetWrapper(); //assert($resourceSetWrapper != null) $hasNamedStream = $resourceSetWrapper->hasNamedStreams($dataService->getMetadataQueryProviderWrapper()); $hasBagProperty = $resourceSetWrapper->hasBagProperty($dataService->getMetadataQueryProviderWrapper()); if ($hasNamedStream || $hasBagProperty) { $requestDescription->raiseResponseVersion(3, 0, $dataService); } } } else { if ($requestDescription->getTargetKind() == RequestTargetKind::BAG) { $requestDescription->raiseResponseVersion(3, 0, $dataService); } } } } } return $requestDescription; }