balint777 /
POData
| Total Complexity | 113 |
| Total Lines | 942 |
| Duplicated Lines | 0 % |
| Changes | 9 | ||
| Bugs | 4 | Features | 0 |
Complex classes like UriProcessor often do a lot of different things. To break such a class down, we need to identify a cohesive component within that class. A common approach to find such a component is to look for fields/methods that share the same prefixes, or suffixes.
Once you have determined the fields that belong together, you can apply the Extract Class refactoring. If the component makes sense as a sub-class, Extract Subclass is also a candidate, and is often faster.
While breaking up the class, it is a good idea to analyze how other classes use UriProcessor, and based on these observations, apply Extract Interface, too.
| 1 | <?php |
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| 36 | class UriProcessor |
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| 37 | { |
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| 38 | /** |
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| 39 | * Description of the OData request that a client has submitted. |
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| 40 | * |
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| 41 | * @var RequestDescription |
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| 42 | */ |
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| 43 | private $request; |
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| 44 | |||
| 45 | /** |
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| 46 | * Holds reference to the data service instance. |
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| 47 | * |
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| 48 | * @var IService |
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| 49 | */ |
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| 50 | private $service; |
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| 51 | |||
| 52 | /** |
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| 53 | * Holds reference to the wrapper over IDSMP and IDSQP implementation. |
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| 54 | * |
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| 55 | * @var ProvidersWrapper |
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| 56 | */ |
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| 57 | private $providers; |
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| 58 | |||
| 59 | /** |
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| 60 | * Collection of segment names. |
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| 61 | * |
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| 62 | * @var string[] |
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| 63 | */ |
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| 64 | private $_segmentNames; |
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| 65 | |||
| 66 | /** |
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| 67 | * Collection of segment ResourceSetWrapper instances. |
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| 68 | * |
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| 69 | * @var ResourceSetWrapper[] |
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| 70 | */ |
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| 71 | private $_segmentResourceSetWrappers; |
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| 72 | |||
| 73 | /** |
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| 74 | * Constructs a new instance of UriProcessor |
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| 75 | * |
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| 76 | * @param IService $service Reference to the data service instance. |
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| 77 | */ |
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| 78 | private function __construct(IService $service) |
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| 84 | } |
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| 85 | |||
| 86 | /** |
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| 87 | * Process the resource path and query options of client's request uri. |
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| 88 | * |
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| 89 | * @param IService $service Reference to the data service instance. |
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| 90 | * |
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| 91 | * @return URIProcessor |
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| 92 | * |
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| 93 | * @throws ODataException |
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| 94 | */ |
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| 95 | public static function process(IService $service) |
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| 119 | } |
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| 120 | |||
| 121 | /** |
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| 122 | * Process the resource path and query options of client's request uri. |
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| 123 | * |
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| 124 | * @param IService $service Reference to the data service instance. |
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| 125 | * |
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| 126 | * @return URIProcessor |
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| 127 | * |
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| 128 | * @throws ODataException |
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| 129 | */ |
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| 130 | public static function processPart($service, $request) |
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| 131 | { |
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| 132 | $uriProcessor = new UriProcessor($service); |
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| 133 | //Parse the resource path part of the request Uri. |
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| 134 | $uriProcessor->request = $request; |
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| 135 | |||
| 136 | $request->setUriProcessor($uriProcessor); |
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| 137 | |||
| 138 | |||
| 139 | //Parse the query string options of the request Uri. |
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| 140 | QueryProcessor::process($uriProcessor->request, $service); |
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| 141 | |||
| 142 | return $uriProcessor; |
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| 143 | } |
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| 144 | |||
| 145 | /** |
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| 146 | * Gets reference to the request submitted by client. |
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| 147 | * |
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| 148 | * @return RequestDescription |
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| 149 | */ |
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| 150 | public function getRequest() |
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| 151 | { |
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| 152 | return $this->request; |
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| 153 | } |
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| 154 | |||
| 155 | /** |
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| 156 | * Execute the client submitted request against the data source. |
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| 157 | */ |
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| 158 | public function execute() |
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| 181 | } |
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| 182 | } |
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| 183 | |||
| 184 | /** |
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| 185 | * Execute the client submitted request against the data source (GET) |
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| 186 | */ |
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| 187 | protected function executeGet($request) |
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| 190 | } |
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| 191 | |||
| 192 | /** |
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| 193 | * Execute the client submitted request against the data source (PUT) |
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| 194 | */ |
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| 195 | protected function executePut($request) |
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| 196 | { |
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| 197 | $callback = function($uriProcessor, $segment) use ($request) { |
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| 198 | $requestMethod = $request->getRequestMethod(); |
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| 199 | $resourceSet = $segment->getTargetResourceSetWrapper(); |
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| 200 | $keyDescriptor = $segment->getKeyDescriptor(); |
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| 201 | $data = $uriProcessor->request->getData(); |
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| 202 | |||
| 203 | if (!$resourceSet || !$keyDescriptor) { |
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| 204 | $url = $request->getRequestUrl()->getUrlAsString(); |
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| 205 | throw ODataException::createBadRequestError(Messages::badRequestInvalidUriForThisVerb($url, $requestMethod)); |
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| 206 | } |
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| 207 | |||
| 208 | if (!$data) { |
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| 209 | throw ODataException::createBadRequestError(Messages::noDataForThisVerb($requestMethod)); |
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| 210 | } |
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| 211 | |||
| 212 | $result = $uriProcessor->providers->putResource($resourceSet, $keyDescriptor, $data); |
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| 213 | |||
| 214 | $segment->setSingleResult(true); |
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| 215 | $segment->setResult($result); |
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| 216 | |||
| 217 | return $result; |
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| 218 | }; |
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| 219 | |||
| 220 | $segments = $request->getSegments(); |
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| 221 | |||
| 222 | foreach ($segments as $segment) { |
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| 223 | if (is_null($segment->getNext()) || $segment->getNext()->getIdentifier() == ODataConstants::URI_COUNT_SEGMENT) { |
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| 224 | $this->applyQueryOptions($segment, $callback); |
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| 225 | } |
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| 226 | } |
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| 227 | //?? TODO : TEST |
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| 228 | // Apply $select and $expand options to result set, this function will be always applied |
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| 229 | // irrespective of return value of IDSQP2::canApplyQueryOptions which means library will |
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| 230 | // not delegate $expand/$select operation to IDSQP2 implementation |
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| 231 | $this->handleExpansion($request); |
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| 232 | } |
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| 233 | |||
| 234 | /** |
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| 235 | * Execute the client submitted request against the data source (POST) |
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| 236 | */ |
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| 237 | protected function executePost($request) |
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| 238 | { |
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| 239 | $callback = function($uriProcessor, $segment) use ($request) { |
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| 240 | $requestMethod = $request->getRequestMethod(); |
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| 241 | $resourceSet = $segment->getTargetResourceSetWrapper(); |
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| 242 | $data = $request->getData(); |
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| 243 | |||
| 244 | if (!$resourceSet) { |
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| 245 | $url = $uriProcessor->service->getHost()->getAbsoluteRequestUri()->getUrlAsString(); |
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| 246 | throw ODataException::createBadRequestError(Messages::badRequestInvalidUriForThisVerb($url, $requestMethod)); |
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| 247 | } |
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| 248 | |||
| 249 | if (!$data) { |
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| 250 | throw ODataException::createBadRequestError(Messages::noDataForThisVerb($requestMethod)); |
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| 251 | } |
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| 252 | |||
| 253 | $result = $uriProcessor->providers->postResource($resourceSet, $data); |
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| 254 | |||
| 255 | $segment->setSingleResult(true); |
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| 256 | $segment->setResult($result); |
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| 257 | |||
| 258 | return $result; |
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| 259 | }; |
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| 260 | |||
| 261 | $segments = $request->getSegments(); |
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| 262 | |||
| 263 | foreach ($segments as $segment) { |
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| 264 | if (is_null($segment->getNext()) || $segment->getNext()->getIdentifier() == ODataConstants::URI_COUNT_SEGMENT) { |
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| 265 | $this->applyQueryOptions($segment, $callback); |
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| 266 | } |
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| 267 | } |
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| 268 | //?? TODO : TEST |
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| 269 | // Apply $select and $expand options to result set, this function will be always applied |
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| 270 | // irrespective of return value of IDSQP2::canApplyQueryOptions which means library will |
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| 271 | // not delegate $expand/$select operation to IDSQP2 implementation |
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| 272 | $this->handleExpansion($request); |
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| 273 | } |
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| 274 | |||
| 275 | /** |
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| 276 | * Execute the client submitted request against the data source (DELETE) |
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| 277 | */ |
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| 278 | protected function executeDelete($request) |
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| 279 | { |
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| 280 | return $this->executeBase($request, function($uriProcessor, $segment) use ($request) { |
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| 281 | $requestMethod = $request->getRequestMethod(); |
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| 282 | $resourceSet = $segment->getTargetResourceSetWrapper(); |
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| 283 | $keyDescriptor = $segment->getKeyDescriptor(); |
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| 284 | |||
| 285 | if (!$resourceSet || !$keyDescriptor) { |
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| 286 | $url = $uriProcessor->service->getHost()->getAbsoluteRequestUri()->getUrlAsString(); |
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| 287 | throw ODataException::createBadRequestError(Messages::badRequestInvalidUriForThisVerb($url, $requestMethod)); |
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| 288 | } |
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| 289 | |||
| 290 | return $uriProcessor->providers->deleteResource($resourceSet, $keyDescriptor); |
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| 291 | }); |
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| 292 | } |
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| 293 | |||
| 294 | /** |
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| 295 | * Execute the client submitted batch request against the data source (POST) |
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| 296 | */ |
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| 297 | protected function executeBatch() |
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| 298 | { |
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| 299 | $callback = null; |
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| 300 | $post_callback = function($uriProcessor, $segment) { |
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| 301 | $requestMethod = $uriProcessor->service->getOperationContext()->incomingRequest()->getMethod(); |
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| 302 | $resourceSet = $segment->getTargetResourceSetWrapper(); |
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| 303 | $data = $uriProcessor->request->getData(); |
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| 304 | |||
| 305 | if (!$resourceSet) { |
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| 306 | $url = $uriProcessor->service->getHost()->getAbsoluteRequestUri()->getUrlAsString(); |
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| 307 | throw ODataException::createBadRequestError(Messages::badRequestInvalidUriForThisVerb($url, $requestMethod)); |
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| 308 | } |
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| 309 | |||
| 310 | if (!$data) { |
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| 311 | throw ODataException::createBadRequestError(Messages::noDataForThisVerb($requestMethod)); |
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| 312 | } |
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| 313 | |||
| 314 | $entity = $uriProcessor->providers->postResource($resourceSet, $data); |
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| 315 | |||
| 316 | $segment->setSingleResult(true); |
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| 317 | $segment->setResult($entity); |
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| 318 | |||
| 319 | return $entity; |
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| 320 | }; |
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| 321 | |||
| 322 | foreach ($this->request->getParts() as $request) { |
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| 323 | $this->providers->getExpressionProvider()->clear(); |
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| 324 | |||
| 325 | switch ($request->getRequestMethod()) { |
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| 326 | case HTTPRequestMethod::GET: |
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| 327 | $this->executeGet($request); |
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| 328 | break; |
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| 329 | case HTTPRequestMethod::PUT: |
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| 330 | $this->executePut($request); |
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| 331 | case HTTPRequestMethod::POST: |
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| 332 | $this->executePost($request); |
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| 333 | break; |
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| 334 | case HTTPRequestMethod::DELETE: |
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| 335 | $this->executeDelete($request); |
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| 336 | break; |
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| 337 | } |
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| 338 | } |
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| 339 | |||
| 340 | return; |
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| 341 | return $this->executeBase($request, function($uriProcessor, $segment) { |
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| 342 | $requestMethod = $uriProcessor->service->getOperationContext()->incomingRequest()->getMethod(); |
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| 343 | $resourceSet = $segment->getTargetResourceSetWrapper(); |
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| 344 | $data = $uriProcessor->request->getData(); |
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| 345 | |||
| 346 | if (!$resourceSet) { |
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| 347 | $url = $uriProcessor->service->getHost()->getAbsoluteRequestUri()->getUrlAsString(); |
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| 348 | throw ODataException::createBadRequestError(Messages::badRequestInvalidUriForThisVerb($url, $requestMethod)); |
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| 349 | } |
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| 350 | |||
| 351 | if (!$data) { |
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| 352 | throw ODataException::createBadRequestError(Messages::noDataForThisVerb($requestMethod)); |
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| 353 | } |
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| 354 | |||
| 355 | $entity = $uriProcessor->providers->postResource($resourceSet, $data); |
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| 356 | |||
| 357 | $segment->setSingleResult(true); |
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| 358 | $segment->setResult($entity); |
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| 359 | |||
| 360 | return $entity; |
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| 361 | }); |
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| 362 | } |
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| 363 | |||
| 364 | /** |
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| 365 | * Execute the client submitted request against the data source |
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| 366 | * |
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| 367 | * @param callable $callback Function, what must be called |
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| 368 | */ |
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| 369 | protected function executeBase($request, $callback = null) |
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| 370 | { |
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| 371 | $segments = $request->getSegments(); |
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| 372 | |||
| 373 | foreach ($segments as $segment) { |
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| 374 | |||
| 375 | $requestTargetKind = $segment->getTargetKind(); |
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| 376 | |||
| 377 | if ($segment->getTargetSource() == TargetSource::ENTITY_SET) { |
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| 378 | $this->handleSegmentTargetsToResourceSet($segment, $request); |
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| 379 | } else if ($requestTargetKind == TargetKind::RESOURCE) { |
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| 380 | if (is_null($segment->getPrevious()->getResult())) { |
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| 381 | throw ODataException::createResourceNotFoundError( |
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| 382 | $segment->getPrevious()->getIdentifier() |
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| 383 | ); |
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| 384 | } |
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| 385 | $this->_handleSegmentTargetsToRelatedResource($segment); |
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| 386 | } else if ($requestTargetKind == TargetKind::LINK) { |
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| 387 | $segment->setResult($segment->getPrevious()->getResult()); |
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| 388 | } else if ($segment->getIdentifier() == ODataConstants::URI_COUNT_SEGMENT) { |
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| 389 | // we are done, $count will the last segment and |
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| 390 | // taken care by _applyQueryOptions method |
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| 391 | $segment->setResult($request->getCountValue()); |
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| 392 | break; |
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| 393 | } else { |
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| 394 | if ($requestTargetKind == TargetKind::MEDIA_RESOURCE) { |
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| 395 | if (is_null($segment->getPrevious()->getResult())) { |
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| 396 | throw ODataException::createResourceNotFoundError( |
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| 397 | $segment->getPrevious()->getIdentifier() |
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| 398 | ); |
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| 399 | } |
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| 400 | // For MLE and Named Stream the result of last segment |
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| 401 | // should be that of previous segment, this is required |
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| 402 | // while retrieving content type or stream from IDSSP |
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| 403 | $segment->setResult($segment->getPrevious()->getResult()); |
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| 404 | // we are done, as named stream property or $value on |
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| 405 | // media resource will be the last segment |
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| 406 | break; |
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| 407 | } |
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| 408 | |||
| 409 | $value = $segment->getPrevious()->getResult(); |
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| 410 | while (!is_null($segment)) { |
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| 411 | //TODO: what exactly is this doing here? Once a null's found it seems everything will be null |
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| 412 | if (!is_null($value)) { |
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| 413 | $value = null; |
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| 414 | } else { |
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| 415 | try { |
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| 416 | //see #88 |
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| 417 | $property = new \ReflectionProperty($value, $segment->getIdentifier()); |
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| 418 | $value = $property->getValue($value); |
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| 419 | } catch (\ReflectionException $reflectionException) { |
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| 420 | //throw ODataException::createInternalServerError(Messages::orderByParserFailedToAccessOrInitializeProperty($resourceProperty->getName(), $resourceType->getName())); |
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| 421 | } |
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| 422 | } |
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| 423 | |||
| 424 | $segment->setResult($value); |
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| 425 | $segment = $segment->getNext(); |
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| 426 | if (!is_null($segment) && $segment->getIdentifier() == ODataConstants::URI_VALUE_SEGMENT) { |
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| 427 | $segment->setResult($value); |
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| 428 | $segment = $segment->getNext(); |
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| 429 | } |
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| 430 | } |
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| 431 | |||
| 432 | break; |
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| 433 | |||
| 434 | } |
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| 435 | |||
| 436 | if (is_null($segment->getNext()) || $segment->getNext()->getIdentifier() == ODataConstants::URI_COUNT_SEGMENT) { |
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| 437 | $this->applyQueryOptions($segment, $callback); |
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| 438 | } |
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| 439 | } |
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| 440 | |||
| 441 | // Apply $select and $expand options to result set, this function will be always applied |
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| 442 | // irrespective of return value of IDSQP2::canApplyQueryOptions which means library will |
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| 443 | // not delegate $expand/$select operation to IDSQP2 implementation |
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| 444 | $this->handleExpansion($request); |
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| 445 | } |
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| 446 | |||
| 447 | /** |
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| 448 | * Query for a resource set pointed by the given segment descriptor and update the descriptor with the result. |
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| 449 | * |
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| 450 | * @param SegmentDescriptor $segment Describes the resource set to query |
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| 451 | * @return void |
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| 452 | * |
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| 453 | */ |
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| 454 | private function handleSegmentTargetsToResourceSet(SegmentDescriptor $segment, $request) { |
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| 455 | if ($segment->isSingleResult()) { |
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| 456 | $entityInstance = $this->providers->getResourceFromResourceSet( |
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| 457 | $segment->getTargetResourceSetWrapper(), |
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| 458 | $segment->getKeyDescriptor() |
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| 459 | ); |
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| 460 | |||
| 461 | $segment->setResult($entityInstance); |
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| 462 | |||
| 463 | } else { |
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| 464 | |||
| 465 | $internalskiptokentinfo = $request->getInternalSkipTokenInfo(); |
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| 466 | |||
| 467 | $queryResult = $this->providers->getResourceSet( |
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| 468 | $request->queryType, |
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| 469 | $segment->getTargetResourceSetWrapper(), |
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| 470 | $request->getFilterInfo(), |
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| 471 | $request->getInternalOrderByInfo(), |
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| 472 | $request->getTopCount(), |
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| 473 | $request->getSkipCount(), |
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| 474 | $internalskiptokentinfo ? $internalskiptokentinfo->getSkipTokenInfo() : null, |
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| 475 | $this->_getExpandedProjectionNodes($request) |
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| 476 | ); |
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| 477 | $segment->setResult($queryResult); |
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| 478 | } |
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| 479 | } |
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| 480 | |||
| 481 | /** |
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| 482 | * Query for a related resource set or resource set reference pointed by the |
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| 483 | * given segment descriptor and update the descriptor with the result. |
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| 484 | * |
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| 485 | * @param SegmentDescriptor &$segment Describes the related resource |
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| 486 | * to query. |
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| 487 | * |
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| 488 | * @return void |
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| 489 | */ |
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| 490 | private function _handleSegmentTargetsToRelatedResource(SegmentDescriptor $segment) { |
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| 491 | $projectedProperty = $segment->getProjectedProperty(); |
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| 492 | $projectedPropertyKind = $projectedProperty->getKind(); |
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| 493 | |||
| 494 | if ($projectedPropertyKind == ResourcePropertyKind::RESOURCESET_REFERENCE) { |
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| 495 | if ($segment->isSingleResult()) { |
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| 496 | $entityInstance = $this->providers->getResourceFromRelatedResourceSet( |
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| 497 | $segment->getPrevious()->getTargetResourceSetWrapper(), |
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| 498 | $segment->getPrevious()->getResult(), |
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| 499 | $segment->getTargetResourceSetWrapper(), |
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| 500 | $projectedProperty, |
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| 501 | $segment->getKeyDescriptor() |
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| 502 | ); |
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| 503 | |||
| 504 | $segment->setResult($entityInstance); |
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| 505 | } else { |
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| 506 | $queryResult = $this->providers->getRelatedResourceSet( |
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| 507 | $this->request->queryType, |
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| 508 | $segment->getPrevious()->getTargetResourceSetWrapper(), |
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| 509 | $segment->getPrevious()->getResult(), |
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| 510 | $segment->getTargetResourceSetWrapper(), |
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| 511 | $segment->getProjectedProperty(), |
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| 512 | $this->request->getFilterInfo(), |
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| 513 | //TODO: why are these null? see #98 |
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| 514 | null, // $orderby |
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| 515 | null, // $top |
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| 516 | null // $skip |
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| 517 | ); |
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| 518 | |||
| 519 | $segment->setResult($queryResult); |
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| 520 | } |
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| 521 | } else if ($projectedPropertyKind == ResourcePropertyKind::RESOURCE_REFERENCE) { |
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| 522 | $entityInstance = $this->providers->getRelatedResourceReference( |
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| 523 | $segment->getPrevious()->getTargetResourceSetWrapper(), |
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| 524 | $segment->getPrevious()->getResult(), |
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| 525 | $segment->getTargetResourceSetWrapper(), |
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| 526 | $segment->getProjectedProperty() |
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| 527 | ); |
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| 528 | |||
| 529 | $segment->setResult($entityInstance); |
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| 530 | } else { |
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| 531 | //Unexpected state |
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| 532 | } |
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| 533 | } |
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| 534 | |||
| 535 | /** |
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| 536 | * Applies the query options to the resource(s) retrieved from the data source. |
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| 537 | * |
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| 538 | * @param SegmentDescriptor $segment The descriptor which holds resource(s) on which query options to be applied. |
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| 539 | * @param callable $callback Function, what must be called |
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| 540 | * |
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| 541 | */ |
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| 542 | private function applyQueryOptions(SegmentDescriptor $segment, $callback = null) |
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| 543 | { |
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| 544 | // For non-GET methods |
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| 545 | if ($callback) { |
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| 546 | $callback($this, $segment); |
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| 547 | return; |
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| 548 | } |
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| 549 | |||
| 550 | //TODO: I'm not really happy with this..i think i'd rather keep the result the QueryResult |
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| 551 | //not even bother with the setCountValue stuff (shouldn't counts be on segments?) |
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| 552 | //and just work with the QueryResult in the object model serializer |
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| 553 | $result = $segment->getResult(); |
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| 554 | |||
| 555 | if (!$result instanceof QueryResult) { |
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| 556 | //If the segment isn't a query result, then there's no paging or counting to be done |
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| 557 | return; |
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| 558 | } |
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| 559 | |||
| 560 | |||
| 561 | // Note $inlinecount=allpages means include the total count regardless of paging..so we set the counts first |
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| 562 | // regardless if POData does the paging or not. |
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| 563 | if ($this->request->queryType == QueryType::ENTITIES_WITH_COUNT) { |
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| 564 | if ($this->providers->handlesOrderedPaging()) { |
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| 565 | $this->request->setCountValue($result->count); |
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| 566 | } else { |
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| 567 | $this->request->setCountValue(count($result->results)); |
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| 568 | } |
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| 569 | } |
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| 570 | |||
| 571 | //Have POData perform paging if necessary |
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| 572 | if (!$this->providers->handlesOrderedPaging() && !empty($result->results)) { |
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| 573 | $result->results = $this->performPaging($result->results); |
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| 574 | } |
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| 575 | |||
| 576 | //a bit surprising, but $skip and $top affects $count so update it here, not above |
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| 577 | //IE data.svc/Collection/$count?$top=10 returns 10 even if Collection has 11+ entries |
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| 578 | if ($this->request->queryType == QueryType::COUNT) { |
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| 579 | if ($this->providers->handlesOrderedPaging()) { |
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| 580 | $this->request->setCountValue($result->count); |
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| 581 | } else { |
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| 582 | $this->request->setCountValue(count($result->results)); |
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| 583 | } |
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| 584 | } |
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| 585 | |||
| 586 | $segment->setResult($result->results); |
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| 587 | } |
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| 588 | |||
| 589 | /** |
||
| 590 | * If the provider does not perform the paging (ordering, top, skip) then this method does it |
||
| 591 | * |
||
| 592 | * @param array $result |
||
| 593 | * @return array |
||
| 594 | */ |
||
| 595 | private function performPaging(array $result) |
||
| 596 | { |
||
| 597 | //Apply (implicit and explicit) $orderby option |
||
| 598 | $internalOrderByInfo = $this->request->getInternalOrderByInfo(); |
||
| 599 | if (!is_null($internalOrderByInfo)) { |
||
| 600 | $orderByFunction = $internalOrderByInfo->getSorterFunction()->getReference(); |
||
| 601 | usort($result, $orderByFunction); |
||
| 602 | } |
||
| 603 | |||
| 604 | //Apply $skiptoken option |
||
| 605 | $internalSkipTokenInfo = $this->request->getInternalSkipTokenInfo(); |
||
| 606 | if (!is_null($internalSkipTokenInfo)) { |
||
| 607 | $matchingIndex = $internalSkipTokenInfo->getIndexOfFirstEntryInTheNextPage($result); |
||
| 608 | $result = array_slice($result, $matchingIndex); |
||
| 609 | } |
||
| 610 | |||
| 611 | //Apply $top and $skip option |
||
| 612 | if (!empty($result)) { |
||
| 613 | $top = $this->request->getTopCount(); |
||
| 614 | $skip = $this->request->getSkipCount(); |
||
| 615 | if (is_null($skip)) { |
||
| 616 | $skip = 0; |
||
| 617 | } |
||
| 618 | |||
| 619 | $result = array_slice($result, $skip, $top); |
||
| 620 | } |
||
| 621 | |||
| 622 | return $result; |
||
| 623 | } |
||
| 624 | |||
| 625 | |||
| 626 | /** |
||
| 627 | * Perform expansion. |
||
| 628 | * |
||
| 629 | * @return void |
||
| 630 | */ |
||
| 631 | private function handleExpansion($request) |
||
| 632 | { |
||
| 633 | $node = $request->getRootProjectionNode(); |
||
| 634 | if (!is_null($node) && $node->isExpansionSpecified()) { |
||
| 635 | $result = $request->getTargetResult(); |
||
| 636 | if (!is_null($result) || is_iterable($result) && !empty($result)) { |
||
| 637 | $needPop = $this->_pushSegmentForRoot($request); |
||
| 638 | $this->_executeExpansion($result); |
||
| 639 | $this->_popSegment($needPop); |
||
| 640 | } |
||
| 641 | } |
||
| 642 | } |
||
| 643 | |||
| 644 | /** |
||
| 645 | * Execute queries for expansion. |
||
| 646 | * |
||
| 647 | * @param array(mixed)/mixed $result Resource(s) whose navigation properties needs to be expanded. |
||
| 648 | * |
||
| 649 | * |
||
| 650 | * @return void |
||
| 651 | */ |
||
| 652 | private function _executeExpansion($result) |
||
| 653 | { |
||
| 654 | $expandedProjectionNodes = $this->_getExpandedProjectionNodes($this->request); |
||
| 655 | foreach ($expandedProjectionNodes as $expandedProjectionNode) { |
||
| 656 | $isCollection = $expandedProjectionNode->getResourceProperty()->getKind() == ResourcePropertyKind::RESOURCESET_REFERENCE; |
||
| 657 | $expandedPropertyName = $expandedProjectionNode->getResourceProperty()->getName(); |
||
| 658 | if (is_iterable($result)) { |
||
| 659 | foreach ($result as $entry) { |
||
| 660 | // Check for null entry |
||
| 661 | if ($isCollection) { |
||
| 662 | $currentResourceSet = $this->_getCurrentResourceSetWrapper()->getResourceSet(); |
||
| 663 | $resourceSetOfProjectedProperty = $expandedProjectionNode->getResourceSetWrapper()->getResourceSet(); |
||
| 664 | $projectedProperty1 = $expandedProjectionNode->getResourceProperty(); |
||
| 665 | $result1 = $this->providers->getRelatedResourceSet( |
||
| 666 | QueryType::ENTITIES, //it's always entities for an expansion |
||
| 667 | $currentResourceSet, |
||
| 668 | $entry, |
||
| 669 | $resourceSetOfProjectedProperty, |
||
| 670 | $projectedProperty1, |
||
| 671 | null, // $filter |
||
| 672 | null, // $orderby |
||
| 673 | null, // $top |
||
| 674 | null // $skip |
||
| 675 | )->results; |
||
| 676 | if (!empty($result1)) { |
||
| 677 | $internalOrderByInfo = $expandedProjectionNode->getInternalOrderByInfo(); |
||
| 678 | /*if (!is_null($internalOrderByInfo)) { |
||
| 679 | $orderByFunction = $internalOrderByInfo->getSorterFunction()->getReference(); |
||
| 680 | usort($result1, $orderByFunction); |
||
| 681 | unset($internalOrderByInfo); |
||
| 682 | $takeCount = $expandedProjectionNode->getTakeCount(); |
||
| 683 | if (!is_null($takeCount)) { |
||
| 684 | $result1 = array_slice($result1, 0, $takeCount); |
||
| 685 | } |
||
| 686 | }*/ |
||
| 687 | |||
| 688 | $entry->$expandedPropertyName = $result1; |
||
| 689 | $projectedProperty = $expandedProjectionNode->getResourceProperty(); |
||
| 690 | $needPop = $this->_pushSegmentForNavigationProperty( |
||
| 691 | $projectedProperty |
||
| 692 | ); |
||
| 693 | $this->_executeExpansion($result1); |
||
| 694 | $this->_popSegment($needPop); |
||
| 695 | } else { |
||
| 696 | $entry->$expandedPropertyName = array(); |
||
| 697 | } |
||
| 698 | } else { |
||
| 699 | $currentResourceSet1 = $this->_getCurrentResourceSetWrapper()->getResourceSet(); |
||
| 700 | $resourceSetOfProjectedProperty1 = $expandedProjectionNode->getResourceSetWrapper()->getResourceSet(); |
||
| 701 | $projectedProperty2 = $expandedProjectionNode->getResourceProperty(); |
||
| 702 | $result1 = $this->providers->getRelatedResourceReference( |
||
| 703 | $currentResourceSet1, |
||
| 704 | $entry, |
||
| 705 | $resourceSetOfProjectedProperty1, |
||
| 706 | $projectedProperty2 |
||
| 707 | ); |
||
| 708 | $entry->$expandedPropertyName = $result1; |
||
| 709 | if (!is_null($result1)) { |
||
| 710 | $projectedProperty3 = $expandedProjectionNode->getResourceProperty(); |
||
| 711 | $needPop = $this->_pushSegmentForNavigationProperty( |
||
| 712 | $projectedProperty3 |
||
| 713 | ); |
||
| 714 | $this->_executeExpansion($result1); |
||
| 715 | $this->_popSegment($needPop); |
||
| 716 | } |
||
| 717 | } |
||
| 718 | } |
||
| 719 | } else { |
||
| 720 | if ($isCollection) { |
||
| 721 | $currentResourceSet2 = $this->_getCurrentResourceSetWrapper()->getResourceSet(); |
||
| 722 | $resourceSetOfProjectedProperty2 = $expandedProjectionNode->getResourceSetWrapper()->getResourceSet(); |
||
| 723 | $projectedProperty4 = $expandedProjectionNode->getResourceProperty(); |
||
| 724 | $result1 = $this->providers->getRelatedResourceSet( |
||
| 725 | QueryType::ENTITIES, //it's always entities for an expansion |
||
| 726 | $currentResourceSet2, |
||
| 727 | $result, |
||
| 728 | $resourceSetOfProjectedProperty2, |
||
| 729 | $projectedProperty4, |
||
| 730 | null, // $filter |
||
| 731 | null, // $orderby |
||
| 732 | null, // $top |
||
| 733 | null // $skip |
||
| 734 | )->results; |
||
| 735 | if (!empty($result1)) { |
||
| 736 | $internalOrderByInfo = $expandedProjectionNode->getInternalOrderByInfo(); |
||
| 737 | /* |
||
| 738 | if (!is_null($internalOrderByInfo)) { |
||
| 739 | $orderByFunction = $internalOrderByInfo->getSorterFunction()->getReference(); |
||
| 740 | usort($result1, $orderByFunction); |
||
| 741 | unset($internalOrderByInfo); |
||
| 742 | $takeCount = $expandedProjectionNode->getTakeCount(); |
||
| 743 | if (!is_null($takeCount)) { |
||
| 744 | $result1 = array_slice($result1, 0, $takeCount); |
||
| 745 | } |
||
| 746 | } |
||
| 747 | */ |
||
| 748 | |||
| 749 | $result->$expandedPropertyName = $result1; |
||
| 750 | $projectedProperty7 = $expandedProjectionNode->getResourceProperty(); |
||
| 751 | $needPop = $this->_pushSegmentForNavigationProperty( |
||
| 752 | $projectedProperty7 |
||
| 753 | ); |
||
| 754 | $this->_executeExpansion($result1); |
||
| 755 | $this->_popSegment($needPop); |
||
| 756 | } else { |
||
| 757 | $result->$expandedPropertyName = array(); |
||
| 758 | } |
||
| 759 | } else { |
||
| 760 | $currentResourceSet3 = $this->_getCurrentResourceSetWrapper()->getResourceSet(); |
||
| 761 | $resourceSetOfProjectedProperty3 = $expandedProjectionNode->getResourceSetWrapper()->getResourceSet(); |
||
| 762 | $projectedProperty5 = $expandedProjectionNode->getResourceProperty(); |
||
| 763 | $result1 = $this->providers->getRelatedResourceReference( |
||
| 764 | $currentResourceSet3, |
||
| 765 | $result, |
||
| 766 | $resourceSetOfProjectedProperty3, |
||
| 767 | $projectedProperty5 |
||
| 768 | ); |
||
| 769 | $result->$expandedPropertyName = $result1; |
||
| 770 | if (!is_null($result1)) { |
||
| 771 | $projectedProperty6 = $expandedProjectionNode->getResourceProperty(); |
||
| 772 | $needPop = $this->_pushSegmentForNavigationProperty( |
||
| 773 | $projectedProperty6 |
||
| 774 | ); |
||
| 775 | $this->_executeExpansion($result1); |
||
| 776 | $this->_popSegment($needPop); |
||
| 777 | } |
||
| 778 | } |
||
| 779 | } |
||
| 780 | } |
||
| 781 | } |
||
| 782 | |||
| 783 | /** |
||
| 784 | * Resource set wrapper for the resource being retireved. |
||
| 785 | * |
||
| 786 | * @return ResourceSetWrapper |
||
| 787 | */ |
||
| 788 | private function _getCurrentResourceSetWrapper() |
||
| 789 | { |
||
| 790 | $count = count($this->_segmentResourceSetWrappers); |
||
| 791 | if ($count == 0) { |
||
| 792 | return $this->request->getTargetResourceSetWrapper(); |
||
| 793 | } else { |
||
| 794 | return $this->_segmentResourceSetWrappers[$count - 1]; |
||
| 795 | } |
||
| 796 | } |
||
| 797 | |||
| 798 | /** |
||
| 799 | * Pushes a segment for the root of the tree |
||
| 800 | * Note: Calls to this method should be balanced with calls to popSegment. |
||
| 801 | * |
||
| 802 | * @return bool true if the segment was pushed, false otherwise. |
||
| 803 | */ |
||
| 804 | private function _pushSegmentForRoot($request) |
||
| 810 | } |
||
| 811 | |||
| 812 | /** |
||
| 813 | * Pushes a segment for the current navigation property being written out. |
||
| 814 | * Note: Refer 'ObjectModelSerializerNotes.txt' for more details about |
||
| 815 | * 'Segment Stack' and this method. |
||
| 816 | * Note: Calls to this method should be balanced with calls to popSegment. |
||
| 817 | * |
||
| 818 | * @param ResourceProperty &$resourceProperty Current navigation property |
||
| 819 | * being written out |
||
| 820 | * |
||
| 821 | * @return bool true if a segment was pushed, false otherwise |
||
| 822 | * |
||
| 823 | * @throws InvalidOperationException If this function invoked with non-navigation |
||
| 824 | * property instance. |
||
| 825 | */ |
||
| 826 | private function _pushSegmentForNavigationProperty(ResourceProperty &$resourceProperty) |
||
| 827 | { |
||
| 828 | if ($resourceProperty->getTypeKind() == ResourceTypeKind::ENTITY) { |
||
| 829 | $this->assert( |
||
| 830 | !empty($this->_segmentNames), |
||
| 831 | '!is_empty($this->_segmentNames' |
||
| 832 | ); |
||
| 833 | $currentResourceSetWrapper = $this->_getCurrentResourceSetWrapper(); |
||
| 834 | $currentResourceType = $currentResourceSetWrapper->getResourceType(); |
||
| 835 | $currentResourceSetWrapper = $this->service |
||
| 836 | ->getProvidersWrapper() |
||
| 837 | ->getResourceSetWrapperForNavigationProperty( |
||
| 838 | $currentResourceSetWrapper, |
||
| 839 | $currentResourceType, |
||
| 840 | $resourceProperty |
||
| 841 | ); |
||
| 842 | |||
| 843 | $this->assert( |
||
| 844 | !is_null($currentResourceSetWrapper), |
||
| 845 | '!null($currentResourceSetWrapper)' |
||
| 846 | ); |
||
| 847 | return $this->_pushSegment( |
||
| 848 | $this->request, |
||
| 849 | $resourceProperty->getName(), |
||
| 850 | $currentResourceSetWrapper |
||
| 851 | ); |
||
| 852 | } else { |
||
| 853 | throw new InvalidOperationException( |
||
| 854 | 'pushSegmentForNavigationProperty should not be called with non-entity type' |
||
| 855 | ); |
||
| 856 | } |
||
| 857 | } |
||
| 858 | |||
| 859 | /** |
||
| 860 | * Gets collection of expanded projection nodes under the current node. |
||
| 861 | * |
||
| 862 | * @return ExpandedProjectionNode[] List of nodes describing expansions for the current segment |
||
| 863 | * |
||
| 864 | */ |
||
| 865 | private function _getExpandedProjectionNodes($request) |
||
| 866 | { |
||
| 867 | $expandedProjectionNode = $this->_getCurrentExpandedProjectionNode($request); |
||
| 868 | $expandedProjectionNodes = array(); |
||
| 869 | if (!is_null($expandedProjectionNode)) { |
||
| 870 | foreach ($expandedProjectionNode->getChildNodes() as $node) { |
||
| 871 | if ($node instanceof ExpandedProjectionNode) { |
||
| 872 | $expandedProjectionNodes[] = $node; |
||
| 873 | } |
||
| 874 | } |
||
| 875 | } |
||
| 876 | |||
| 877 | return $expandedProjectionNodes; |
||
| 878 | } |
||
| 879 | |||
| 880 | /** |
||
| 881 | * Find a 'ExpandedProjectionNode' instance in the projection tree |
||
| 882 | * which describes the current segment. |
||
| 883 | * |
||
| 884 | * @return ExpandedProjectionNode|null |
||
| 885 | */ |
||
| 886 | private function _getCurrentExpandedProjectionNode($request) |
||
| 887 | { |
||
| 888 | $expandedProjectionNode |
||
| 889 | = $request->getRootProjectionNode(); |
||
| 890 | if (!is_null($expandedProjectionNode)) { |
||
| 891 | $depth = count($this->_segmentNames); |
||
| 892 | if ($depth != 0) { |
||
| 893 | for ($i = 1; $i < $depth; $i++) { |
||
| 894 | $expandedProjectionNode |
||
| 895 | = $expandedProjectionNode->findNode($this->_segmentNames[$i]); |
||
| 896 | $this->assert( |
||
| 897 | !is_null($expandedProjectionNode), |
||
| 898 | '!is_null($expandedProjectionNode)' |
||
| 899 | ); |
||
| 900 | $this->assert( |
||
| 901 | $expandedProjectionNode instanceof ExpandedProjectionNode, |
||
| 902 | '$expandedProjectionNode instanceof ExpandedProjectionNode' |
||
| 903 | ); |
||
| 904 | } |
||
| 905 | } |
||
| 906 | } |
||
| 907 | |||
| 908 | return $expandedProjectionNode; |
||
| 909 | } |
||
| 910 | |||
| 911 | /** |
||
| 912 | * Pushes information about the segment whose instance is going to be |
||
| 913 | * retrieved from the IDSQP implementation |
||
| 914 | * Note: Calls to this method should be balanced with calls to popSegment. |
||
| 915 | * |
||
| 916 | * @param string $segmentName Name of segment to push. |
||
| 917 | * @param ResourceSetWrapper &$resourceSetWrapper The resource set wrapper |
||
| 918 | * to push. |
||
| 919 | * |
||
| 920 | * @return bool true if the segment was push, false otherwise |
||
| 921 | */ |
||
| 922 | private function _pushSegment($request, $segmentName, ResourceSetWrapper &$resourceSetWrapper) |
||
| 923 | { |
||
| 924 | $rootProjectionNode = $request->getRootProjectionNode(); |
||
| 925 | if (!is_null($rootProjectionNode) |
||
| 926 | && $rootProjectionNode->isExpansionSpecified() |
||
| 927 | ) { |
||
| 928 | array_push($this->_segmentNames, $segmentName); |
||
| 929 | array_push($this->_segmentResourceSetWrappers, $resourceSetWrapper); |
||
| 930 | return true; |
||
| 931 | } |
||
| 932 | |||
| 933 | return false; |
||
| 934 | } |
||
| 935 | |||
| 936 | /** |
||
| 937 | * Pops segment information from the 'Segment Stack' |
||
| 938 | * Note: Calls to this method should be balanced with previous calls |
||
| 939 | * to _pushSegment. |
||
| 940 | * |
||
| 941 | * @param boolean $needPop Is a pop required. Only true if last push |
||
| 942 | * was successful. |
||
| 943 | * |
||
| 944 | * @return void |
||
| 945 | * |
||
| 946 | * @throws InvalidOperationException If found un-balanced call |
||
| 947 | * with _pushSegment |
||
| 948 | */ |
||
| 949 | private function _popSegment($needPop) |
||
| 958 | ); |
||
| 959 | } |
||
| 960 | } |
||
| 961 | } |
||
| 962 | |||
| 963 | /** |
||
| 964 | * Assert that the given condition is true. |
||
| 965 | * |
||
| 966 | * @param boolean $condition Constion to assert. |
||
| 967 | * @param string $conditionAsString Message to show incase assertion fails. |
||
| 968 | * |
||
| 969 | * @return void |
||
| 970 | * |
||
| 971 | * @throws InvalidOperationException |
||
| 972 | */ |
||
| 973 | protected function assert($condition, $conditionAsString) |
||
| 982 |
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