digiaonline /
graphql-php
| Total Complexity | 112 |
| Total Lines | 1076 |
| Duplicated Lines | 0 % |
| Changes | 0 | ||
Complex classes like ExecutionStrategy 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 ExecutionStrategy, and based on these observations, apply Extract Interface, too.
| 1 | <?php |
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| 39 | abstract class ExecutionStrategy |
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| 40 | { |
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| 41 | |||
| 42 | /** |
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| 43 | * @var array |
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| 44 | */ |
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| 45 | protected static $defaultFieldResolver = [ |
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| 46 | __CLASS__, |
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| 47 | 'defaultFieldResolver', |
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| 48 | ]; |
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| 49 | |||
| 50 | /** |
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| 51 | * @var ExecutionContext |
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| 52 | */ |
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| 53 | protected $context; |
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| 54 | |||
| 55 | /** |
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| 56 | * @var OperationDefinitionNode |
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| 57 | */ |
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| 58 | protected $operation; |
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| 59 | |||
| 60 | /** |
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| 61 | * @var mixed |
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| 62 | */ |
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| 63 | protected $rootValue; |
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| 64 | |||
| 65 | /** |
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| 66 | * @var array |
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| 67 | */ |
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| 68 | protected $finalResult; |
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| 69 | |||
| 70 | /** |
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| 71 | * AbstractStrategy constructor. |
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| 72 | * |
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| 73 | * @param ExecutionContext $context |
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| 74 | * |
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| 75 | * @param OperationDefinitionNode $operation |
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| 76 | */ |
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| 77 | public function __construct( |
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| 78 | ExecutionContext $context, |
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| 79 | OperationDefinitionNode $operation, |
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| 80 | $rootValue |
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| 81 | ) { |
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| 82 | $this->context = $context; |
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| 83 | $this->operation = $operation; |
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| 84 | $this->rootValue = $rootValue; |
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| 85 | } |
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| 86 | |||
| 87 | /** |
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| 88 | * Try to resolve a field without any field resolver function. |
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| 89 | * |
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| 90 | * @param array|object $rootValue |
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| 91 | * @param $args |
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| 92 | * @param $context |
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| 93 | * @param ResolveInfo $info |
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| 94 | * |
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| 95 | * @return mixed|null |
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| 96 | */ |
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| 97 | public static function defaultFieldResolver( |
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| 98 | $rootValue, |
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| 99 | $args, |
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| 100 | $context, |
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| 101 | ResolveInfo $info |
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| 102 | ) { |
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| 103 | $fieldName = $info->getFieldName(); |
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| 104 | $property = null; |
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| 105 | |||
| 106 | if (is_array($rootValue) && isset($rootValue[$fieldName])) { |
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| 107 | $property = $rootValue[$fieldName]; |
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| 108 | } |
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| 109 | |||
| 110 | if (is_object($rootValue)) { |
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| 111 | $getter = 'get' . ucfirst($fieldName); |
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| 112 | if (method_exists($rootValue, $getter)) { |
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| 113 | $property = $rootValue->{$getter}(); |
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| 114 | } elseif (property_exists($rootValue, $fieldName)) { |
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| 115 | $property = $rootValue->{$fieldName}; |
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| 116 | } |
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| 117 | } |
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| 118 | |||
| 119 | |||
| 120 | return $property instanceof \Closure ? $property($rootValue, $args, |
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| 121 | $context, $info) : $property; |
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| 122 | } |
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| 123 | |||
| 124 | /** |
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| 125 | * @return array|null |
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| 126 | */ |
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| 127 | abstract function execute(): ?array; |
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|
|
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| 128 | |||
| 129 | /** |
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| 130 | * Implements the "Evaluating selection sets" section of the spec for |
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| 131 | * "write" mode. |
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| 132 | * |
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| 133 | * @param ObjectType $objectType |
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| 134 | * @param $rootValue |
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| 135 | * @param $path |
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| 136 | * @param $fields |
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| 137 | * |
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| 138 | * @return array |
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| 139 | * @throws InvalidTypeException |
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| 140 | * @throws \Digia\GraphQL\Error\ExecutionException |
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| 141 | * @throws \Digia\GraphQL\Error\InvariantException |
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| 142 | * @throws \Throwable |
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| 143 | */ |
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| 144 | public function executeFieldsSerially( |
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| 145 | ObjectType $objectType, |
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| 146 | $rootValue, |
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| 147 | $path, |
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| 148 | $fields |
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| 149 | ) { |
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| 150 | |||
| 151 | $finalResults = []; |
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| 152 | |||
| 153 | $promise = new \React\Promise\FulfilledPromise([]); |
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| 154 | |||
| 155 | $resolve = function ( |
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| 156 | $results, |
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| 157 | $fieldName, |
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| 158 | $path, |
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| 159 | $objectType, |
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| 160 | $rootValue, |
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| 161 | $fieldNodes |
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| 162 | ) { |
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| 163 | $fieldPath = $path; |
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| 164 | $fieldPath[] = $fieldName; |
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| 165 | try { |
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| 166 | $result = $this->resolveField($objectType, $rootValue, |
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| 167 | $fieldNodes, $fieldPath); |
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| 168 | } catch (UndefinedException $ex) { |
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| 169 | return null; |
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| 170 | } |
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| 171 | |||
| 172 | if ($this->isPromise($result)) { |
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| 173 | /** @var ExtendedPromiseInterface $result */ |
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| 174 | return $result->then(function ($resolvedResult) use ( |
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| 175 | $fieldName, |
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| 176 | $results |
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| 177 | ) { |
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| 178 | $results[$fieldName] = $resolvedResult; |
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| 179 | return $results; |
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| 180 | }); |
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| 181 | } |
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| 182 | |||
| 183 | $results[$fieldName] = $result; |
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| 184 | |||
| 185 | return $results; |
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| 186 | }; |
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| 187 | |||
| 188 | foreach ($fields as $fieldName => $fieldNodes) { |
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| 189 | $promise = $promise->then(function ($resolvedResults) use ( |
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| 190 | $resolve, |
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| 191 | $fieldName, |
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| 192 | $path, |
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| 193 | $objectType, |
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| 194 | $rootValue, |
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| 195 | $fieldNodes |
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| 196 | ) { |
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| 197 | return $resolve($resolvedResults, $fieldName, $path, |
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| 198 | $objectType, $rootValue, $fieldNodes); |
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| 199 | }); |
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| 200 | } |
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| 201 | |||
| 202 | $promise->then(function ($resolvedResults) use (&$finalResults) { |
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| 203 | $finalResults = $resolvedResults ?? []; |
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| 204 | }); |
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| 205 | |||
| 206 | return $finalResults; |
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| 207 | } |
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| 208 | |||
| 209 | /** |
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| 210 | * Implements the "Evaluating selection sets" section of the spec for |
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| 211 | * "read" mode. |
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| 212 | * |
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| 213 | * @param ObjectType $objectType |
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| 214 | * @param $rootValue |
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| 215 | * @param $path |
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| 216 | * @param $fields |
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| 217 | * |
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| 218 | * @return array |
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| 219 | * @throws InvalidTypeException |
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| 220 | * @throws \Digia\GraphQL\Error\ExecutionException |
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| 221 | * @throws \Digia\GraphQL\Error\InvariantException |
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| 222 | * @throws \Throwable |
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| 223 | */ |
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| 224 | protected function executeFields( |
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| 225 | ObjectType $objectType, |
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| 226 | $rootValue, |
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| 227 | $path, |
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| 228 | $fields |
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| 229 | ): array { |
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| 230 | $finalResults = []; |
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| 231 | $isContainsPromise = false; |
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| 232 | |||
| 233 | foreach ($fields as $fieldName => $fieldNodes) { |
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| 234 | $fieldPath = $path; |
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| 235 | $fieldPath[] = $fieldName; |
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| 236 | |||
| 237 | try { |
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| 238 | $result = $this->resolveField($objectType, $rootValue, |
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| 239 | $fieldNodes, $fieldPath); |
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| 240 | } catch (UndefinedException $ex) { |
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| 241 | continue; |
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| 242 | } |
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| 243 | |||
| 244 | $isContainsPromise = $isContainsPromise || $this->isPromise($result); |
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| 245 | |||
| 246 | $finalResults[$fieldName] = $result; |
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| 247 | } |
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| 248 | |||
| 249 | if ($isContainsPromise) { |
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| 250 | $keys = array_keys($finalResults); |
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| 251 | $promise = \React\Promise\all(array_values($finalResults)); |
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| 252 | $promise->then(function ($values) use ($keys, &$finalResults) { |
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| 253 | foreach ($values as $i => $value) { |
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| 254 | $finalResults[$keys[$i]] = $value; |
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| 255 | } |
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| 256 | }); |
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| 257 | } |
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| 258 | |||
| 259 | return $finalResults; |
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| 260 | } |
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| 261 | |||
| 262 | /** |
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| 263 | * @param ObjectType $parentType |
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| 264 | * @param $rootValue |
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| 265 | * @param $fieldNodes |
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| 266 | * @param $path |
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| 267 | * |
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| 268 | * @return array|null|\Throwable |
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| 269 | * @throws InvalidTypeException |
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| 270 | * @throws \Digia\GraphQL\Error\ExecutionException |
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| 271 | * @throws \Digia\GraphQL\Error\InvariantException |
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| 272 | * @throws \Throwable |
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| 273 | */ |
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| 274 | protected function resolveField( |
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| 275 | ObjectType $parentType, |
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| 276 | $rootValue, |
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| 277 | $fieldNodes, |
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| 278 | $path |
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| 279 | ) { |
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| 280 | /** @var FieldNode $fieldNode */ |
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| 281 | $fieldNode = $fieldNodes[0]; |
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| 282 | |||
| 283 | $field = $this->getFieldDefinition($this->context->getSchema(), |
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| 284 | $parentType, $fieldNode->getNameValue()); |
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| 285 | |||
| 286 | if (null === $field) { |
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| 287 | throw new UndefinedException('Undefined field definition.'); |
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| 288 | } |
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| 289 | |||
| 290 | $info = $this->buildResolveInfo($fieldNodes, $fieldNode, $field, |
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| 291 | $parentType, $path, $this->context); |
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| 292 | |||
| 293 | $resolveFunction = $this->determineResolveFunction($field, $parentType, |
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| 294 | $this->context); |
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| 295 | |||
| 296 | $result = $this->resolveFieldValueOrError( |
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| 297 | $field, |
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| 298 | $fieldNode, |
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| 299 | $resolveFunction, |
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| 300 | $rootValue, |
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| 301 | $this->context, |
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| 302 | $info |
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| 303 | ); |
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| 304 | |||
| 305 | $result = $this->completeValueCatchingError( |
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| 306 | $field->getType(), |
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| 307 | $fieldNodes, |
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| 308 | $info, |
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| 309 | $path, |
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| 310 | $result// $result is passed as $source |
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| 311 | ); |
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| 312 | |||
| 313 | return $result; |
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| 314 | } |
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| 315 | |||
| 316 | /** |
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| 317 | * @param Schema $schema |
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| 318 | * @param ObjectType $parentType |
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| 319 | * @param string $fieldName |
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| 320 | * |
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| 321 | * @return \Digia\GraphQL\Type\Definition\Field|null |
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| 322 | * @throws InvalidTypeException |
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| 323 | * @throws \Digia\GraphQL\Error\InvariantException |
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| 324 | */ |
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| 325 | public function getFieldDefinition( |
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| 326 | Schema $schema, |
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| 327 | ObjectType $parentType, |
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| 328 | string $fieldName |
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| 329 | ) { |
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| 330 | $schemaMetaFieldDefinition = SchemaMetaFieldDefinition(); |
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| 331 | $typeMetaFieldDefinition = TypeMetaFieldDefinition(); |
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| 332 | $typeNameMetaFieldDefinition = TypeNameMetaFieldDefinition(); |
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| 333 | |||
| 334 | if ($fieldName === $schemaMetaFieldDefinition->getName() && $schema->getQueryType() === $parentType) { |
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| 335 | return $schemaMetaFieldDefinition; |
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| 336 | } |
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| 337 | |||
| 338 | if ($fieldName === $typeMetaFieldDefinition->getName() && $schema->getQueryType() === $parentType) { |
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| 339 | return $typeMetaFieldDefinition; |
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| 340 | } |
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| 341 | |||
| 342 | if ($fieldName === $typeNameMetaFieldDefinition->getName()) { |
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| 343 | return $typeNameMetaFieldDefinition; |
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| 344 | } |
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| 345 | |||
| 346 | $fields = $parentType->getFields(); |
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| 347 | |||
| 348 | return $fields[$fieldName] ?? null; |
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| 349 | } |
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| 350 | |||
| 351 | /** |
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| 352 | * @param array $fieldNodes |
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| 353 | * @param FieldNode $fieldNode |
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| 354 | * @param Field $field |
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| 355 | * @param ObjectType $parentType |
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| 356 | * @param array|null $path |
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| 357 | * @param ExecutionContext $context |
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| 358 | * |
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| 359 | * @return ResolveInfo |
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| 360 | */ |
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| 361 | private function buildResolveInfo( |
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| 362 | array $fieldNodes, |
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| 363 | FieldNode $fieldNode, |
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| 364 | Field $field, |
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| 365 | ObjectType $parentType, |
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| 366 | ?array $path, |
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| 367 | ExecutionContext $context |
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| 368 | ) { |
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| 369 | return new ResolveInfo( |
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| 370 | $fieldNode->getNameValue(), |
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| 371 | $fieldNodes, |
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| 372 | $field->getType(), |
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| 373 | $parentType, |
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| 374 | $path, |
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| 375 | $context->getSchema(), |
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| 376 | $context->getFragments(), |
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| 377 | $context->getRootValue(), |
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| 378 | $context->getOperation(), |
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| 379 | $context->getVariableValues() |
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| 380 | ); |
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| 381 | } |
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| 382 | |||
| 383 | /** |
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| 384 | * @param Field $field |
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| 385 | * @param ObjectType $objectType |
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| 386 | * @param ExecutionContext $context |
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| 387 | * |
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| 388 | * @return callable|mixed|null |
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| 389 | */ |
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| 390 | private function determineResolveFunction( |
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| 391 | Field $field, |
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| 392 | ObjectType $objectType, |
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| 393 | ExecutionContext $context |
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| 394 | ) { |
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| 395 | |||
| 396 | if ($field->hasResolve()) { |
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| 397 | return $field->getResolve(); |
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| 398 | } |
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| 399 | |||
| 400 | if ($objectType->hasResolve()) { |
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| 401 | return $objectType->getResolve(); |
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| 402 | } |
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| 403 | |||
| 404 | return $this->context->getFieldResolver() ?? self::$defaultFieldResolver; |
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| 405 | } |
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| 406 | |||
| 407 | /** |
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| 408 | * @param Field $field |
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| 409 | * @param FieldNode $fieldNode |
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| 410 | * @param callable $resolveFunction |
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| 411 | * @param $rootValue |
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| 412 | * @param ExecutionContext $context |
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| 413 | * @param ResolveInfo $info |
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| 414 | * |
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| 415 | * @return array|\Throwable |
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| 416 | */ |
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| 417 | private function resolveFieldValueOrError( |
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| 418 | Field $field, |
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| 419 | FieldNode $fieldNode, |
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| 420 | ?callable $resolveFunction, |
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| 421 | $rootValue, |
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| 422 | ExecutionContext $context, |
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| 423 | ResolveInfo $info |
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| 424 | ) { |
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| 425 | try { |
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| 426 | $args = coerceArgumentValues($field, $fieldNode, |
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| 427 | $context->getVariableValues()); |
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| 428 | |||
| 429 | return $resolveFunction($rootValue, $args, |
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| 430 | $context->getContextValue(), $info); |
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| 431 | } catch (\Throwable $error) { |
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| 432 | return $error; |
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| 433 | } |
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| 434 | } |
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| 435 | |||
| 436 | /** |
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| 437 | * @param TypeInterface $fieldType |
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| 438 | * @param $fieldNodes |
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| 439 | * @param ResolveInfo $info |
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| 440 | * @param $path |
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| 441 | * @param $result |
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| 442 | * |
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| 443 | * @return null |
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| 444 | * @throws \Throwable |
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| 445 | */ |
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| 446 | public function completeValueCatchingError( |
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| 447 | TypeInterface $fieldType, |
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| 448 | $fieldNodes, |
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| 449 | ResolveInfo $info, |
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| 450 | $path, |
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| 451 | &$result |
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| 452 | ) { |
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| 453 | if ($fieldType instanceof NonNullType) { |
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| 454 | return $this->completeValueWithLocatedError( |
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| 455 | $fieldType, |
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| 456 | $fieldNodes, |
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| 457 | $info, |
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| 458 | $path, |
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| 459 | $result |
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| 460 | ); |
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| 461 | } |
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| 462 | |||
| 463 | try { |
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| 464 | $completed = $this->completeValueWithLocatedError( |
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| 465 | $fieldType, |
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| 466 | $fieldNodes, |
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| 467 | $info, |
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| 468 | $path, |
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| 469 | $result |
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| 470 | ); |
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| 471 | |||
| 472 | if ($this->isPromise($completed)) { |
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| 473 | $context = $this->context; |
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| 474 | /** @var ExtendedPromiseInterface $completed */ |
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| 475 | return $completed->then(null, |
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| 476 | function ($error) use ($context, $fieldNodes, $path) { |
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| 477 | //@TODO Handle $error better |
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| 478 | if ($error instanceof \Exception) { |
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| 479 | $context->addError($this->buildLocatedError($error, |
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| 480 | $fieldNodes, $path)); |
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| 481 | } else { |
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| 482 | $context->addError( |
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| 483 | $this->buildLocatedError( |
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| 484 | new ExecutionException($error ?? 'An unknown error occurred.'), |
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| 485 | $fieldNodes, |
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| 486 | $path |
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| 487 | ) |
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| 488 | ); |
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| 489 | } |
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| 490 | return new \React\Promise\FulfilledPromise(null); |
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| 491 | }); |
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| 492 | } |
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| 493 | |||
| 494 | return $completed; |
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| 495 | } catch (ExecutionException $ex) { |
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| 496 | $this->context->addError($ex); |
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| 497 | return null; |
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| 498 | } catch (\Exception $ex) { |
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| 499 | $this->context->addError($this->buildLocatedError($ex, $fieldNodes, |
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| 500 | $path)); |
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| 501 | return null; |
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| 502 | } |
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| 503 | } |
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| 504 | |||
| 505 | /** |
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| 506 | * @param TypeInterface $fieldType |
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| 507 | * @param $fieldNodes |
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| 508 | * @param ResolveInfo $info |
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| 509 | * @param $path |
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| 510 | * @param $result |
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| 511 | * |
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| 512 | * @throws \Throwable |
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| 513 | */ |
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| 514 | public function completeValueWithLocatedError( |
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| 515 | TypeInterface $fieldType, |
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| 516 | $fieldNodes, |
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| 517 | ResolveInfo $info, |
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| 518 | $path, |
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| 519 | $result |
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| 520 | ) { |
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| 521 | try { |
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| 522 | $completed = $this->completeValue( |
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| 523 | $fieldType, |
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| 524 | $fieldNodes, |
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| 525 | $info, |
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| 526 | $path, |
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| 527 | $result |
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| 528 | ); |
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| 529 | |||
| 530 | return $completed; |
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| 531 | } catch (\Throwable $ex) { |
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| 532 | throw $this->buildLocatedError($ex, $fieldNodes, $path); |
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| 533 | } |
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| 534 | } |
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| 535 | |||
| 536 | /** |
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| 537 | * @param TypeInterface $returnType |
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| 538 | * @param $fieldNodes |
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| 539 | * @param ResolveInfo $info |
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| 540 | * @param $path |
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| 541 | * @param $result |
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| 542 | * |
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| 543 | * @return array|mixed |
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| 544 | * @throws ExecutionException |
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| 545 | * @throws \Throwable |
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| 546 | */ |
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| 547 | private function completeValue( |
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| 548 | TypeInterface $returnType, |
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| 549 | $fieldNodes, |
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| 550 | ResolveInfo $info, |
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| 551 | $path, |
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| 552 | &$result |
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| 553 | ) { |
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| 554 | if ($this->isPromise($result)) { |
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| 555 | /** @var ExtendedPromiseInterface $result */ |
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| 556 | return $result->then(function (&$value) use ( |
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| 557 | $returnType, |
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| 558 | $fieldNodes, |
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| 559 | $info, |
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| 560 | $path |
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| 561 | ) { |
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| 562 | return $this->completeValue($returnType, $fieldNodes, $info, |
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| 563 | $path, $value); |
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| 564 | }); |
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| 565 | } |
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| 566 | |||
| 567 | if ($result instanceof \Throwable) { |
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| 568 | throw $result; |
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| 569 | } |
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| 570 | |||
| 571 | // If result is null-like, return null. |
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| 572 | if (null === $result) { |
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| 573 | return null; |
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| 574 | } |
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| 575 | |||
| 576 | if ($returnType instanceof NonNullType) { |
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| 577 | $completed = $this->completeValue( |
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| 578 | $returnType->getOfType(), |
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| 579 | $fieldNodes, |
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| 580 | $info, |
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| 581 | $path, |
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| 582 | $result |
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| 583 | ); |
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| 584 | |||
| 585 | if ($completed === null) { |
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| 586 | throw new ExecutionException( |
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| 587 | sprintf( |
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| 588 | 'Cannot return null for non-nullable field %s.%s.', |
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| 589 | $info->getParentType(), $info->getFieldName() |
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| 590 | ) |
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| 591 | ); |
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| 592 | } |
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| 593 | |||
| 594 | return $completed; |
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| 595 | } |
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| 596 | |||
| 597 | // If field type is List, complete each item in the list with the inner type |
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| 598 | if ($returnType instanceof ListType) { |
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| 599 | return $this->completeListValue($returnType, $fieldNodes, $info, |
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| 600 | $path, $result); |
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| 601 | } |
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| 602 | |||
| 603 | |||
| 604 | // If field type is Scalar or Enum, serialize to a valid value, returning |
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| 605 | // null if serialization is not possible. |
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| 606 | if ($returnType instanceof LeafTypeInterface) { |
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| 607 | return $this->completeLeafValue($returnType, $result); |
||
| 608 | } |
||
| 609 | |||
| 610 | //@TODO Make a function for checking abstract type? |
||
| 611 | if ($returnType instanceof InterfaceType || $returnType instanceof UnionType) { |
||
| 612 | return $this->completeAbstractValue($returnType, $fieldNodes, $info, |
||
| 613 | $path, $result); |
||
| 614 | } |
||
| 615 | |||
| 616 | // Field type must be Object, Interface or Union and expect sub-selections. |
||
| 617 | if ($returnType instanceof ObjectType) { |
||
| 618 | return $this->completeObjectValue($returnType, $fieldNodes, $info, |
||
| 619 | $path, $result); |
||
| 620 | } |
||
| 621 | |||
| 622 | throw new ExecutionException("Cannot complete value of unexpected type \"{$returnType}\"."); |
||
| 623 | } |
||
| 624 | |||
| 625 | /** |
||
| 626 | * @param $value |
||
| 627 | * |
||
| 628 | * @return bool |
||
| 629 | */ |
||
| 630 | protected function isPromise($value): bool |
||
| 631 | { |
||
| 632 | return $value instanceof ExtendedPromiseInterface; |
||
| 633 | } |
||
| 634 | |||
| 635 | /** |
||
| 636 | * @param ListType $returnType |
||
| 637 | * @param $fieldNodes |
||
| 638 | * @param ResolveInfo $info |
||
| 639 | * @param $path |
||
| 640 | * @param $result |
||
| 641 | * |
||
| 642 | * @return array|\React\Promise\Promise |
||
| 643 | * @throws \Throwable |
||
| 644 | */ |
||
| 645 | private function completeListValue( |
||
| 646 | ListType $returnType, |
||
| 647 | $fieldNodes, |
||
| 648 | ResolveInfo $info, |
||
| 649 | $path, |
||
| 650 | &$result |
||
| 651 | ) { |
||
| 652 | $itemType = $returnType->getOfType(); |
||
| 653 | |||
| 654 | $completedItems = []; |
||
| 655 | $containsPromise = false; |
||
| 656 | |||
| 657 | if (!is_array($result) && !($result instanceof \Traversable)) { |
||
| 658 | throw new \Exception( |
||
| 659 | sprintf( |
||
| 660 | 'Expected Array or Traversable, but did not find one for field %s.%s.', |
||
| 661 | $info->getParentType()->getName(), |
||
| 662 | $info->getFieldName() |
||
| 663 | ) |
||
| 664 | ); |
||
| 665 | } |
||
| 666 | |||
| 667 | foreach ($result as $key => $item) { |
||
| 668 | $fieldPath = $path; |
||
| 669 | $fieldPath[] = $key; |
||
| 670 | $completedItem = $this->completeValueCatchingError($itemType, |
||
| 671 | $fieldNodes, $info, $fieldPath, $item); |
||
| 672 | $completedItems[] = $completedItem; |
||
| 673 | $containsPromise = $containsPromise || $this->isPromise($completedItem); |
||
| 674 | } |
||
| 675 | |||
| 676 | return $containsPromise ? \React\Promise\all($completedItems) : $completedItems; |
||
| 677 | } |
||
| 678 | |||
| 679 | /** |
||
| 680 | * @param LeafTypeInterface $returnType |
||
| 681 | * @param $result |
||
| 682 | * |
||
| 683 | * @return mixed |
||
| 684 | * @throws ExecutionException |
||
| 685 | */ |
||
| 686 | private function completeLeafValue(LeafTypeInterface $returnType, &$result) |
||
| 687 | { |
||
| 688 | $serializedResult = $returnType->serialize($result); |
||
| 689 | |||
| 690 | if ($serializedResult === null) { |
||
| 691 | //@TODO Make a function for this type of exception |
||
| 692 | throw new ExecutionException( |
||
| 693 | sprintf('Expected value of type "%s" but received: %s.', |
||
| 694 | (string)$returnType, toString($result)) |
||
| 695 | ); |
||
| 696 | } |
||
| 697 | |||
| 698 | return $serializedResult; |
||
| 699 | } |
||
| 700 | |||
| 701 | /** |
||
| 702 | * @param AbstractTypeInterface $returnType |
||
| 703 | * @param $fieldNodes |
||
| 704 | * @param ResolveInfo $info |
||
| 705 | * @param $path |
||
| 706 | * @param $result |
||
| 707 | * |
||
| 708 | * @return array|PromiseInterface |
||
| 709 | * @throws ExecutionException |
||
| 710 | * @throws InvalidTypeException |
||
| 711 | * @throws \Digia\GraphQL\Error\InvariantException |
||
| 712 | * @throws \Throwable |
||
| 713 | */ |
||
| 714 | private function completeAbstractValue( |
||
| 715 | AbstractTypeInterface $returnType, |
||
| 716 | $fieldNodes, |
||
| 717 | ResolveInfo $info, |
||
| 718 | $path, |
||
| 719 | &$result |
||
| 720 | ) { |
||
| 721 | $runtimeType = $returnType->resolveType($result, |
||
| 722 | $this->context->getContextValue(), $info); |
||
| 723 | |||
| 724 | if (null === $runtimeType) { |
||
| 725 | //@TODO Show warning |
||
| 726 | $runtimeType = $this->defaultTypeResolver($result, |
||
| 727 | $this->context->getContextValue(), $info, $returnType); |
||
| 728 | } |
||
| 729 | |||
| 730 | if ($this->isPromise($runtimeType)) { |
||
| 731 | /** @var ExtendedPromiseInterface $runtimeType */ |
||
| 732 | return $runtimeType->then(function ($resolvedRuntimeType) use ( |
||
| 733 | $returnType, |
||
| 734 | $fieldNodes, |
||
| 735 | $info, |
||
| 736 | $path, |
||
| 737 | &$result |
||
| 738 | ) { |
||
| 739 | return $this->completeObjectValue( |
||
| 740 | $this->ensureValidRuntimeType( |
||
| 741 | $resolvedRuntimeType, |
||
| 742 | $returnType, |
||
| 743 | $fieldNodes, |
||
| 744 | $info, |
||
| 745 | $result |
||
| 746 | ), |
||
| 747 | $fieldNodes, |
||
| 748 | $info, |
||
| 749 | $path, |
||
| 750 | $result |
||
| 751 | ); |
||
| 752 | }); |
||
| 753 | } |
||
| 754 | |||
| 755 | return $this->completeObjectValue( |
||
| 756 | $this->ensureValidRuntimeType( |
||
| 757 | $runtimeType, |
||
| 758 | $returnType, |
||
| 759 | $fieldNodes, |
||
| 760 | $info, |
||
| 761 | $result |
||
| 762 | ), |
||
| 763 | $fieldNodes, |
||
| 764 | $info, |
||
| 765 | $path, |
||
| 766 | $result |
||
| 767 | ); |
||
| 768 | } |
||
| 769 | |||
| 770 | /** |
||
| 771 | * @param $value |
||
| 772 | * @param $context |
||
| 773 | * @param ResolveInfo $info |
||
| 774 | * @param AbstractTypeInterface $abstractType |
||
| 775 | * |
||
| 776 | * @return TypeInterface|null |
||
| 777 | * @throws ExecutionException |
||
| 778 | */ |
||
| 779 | private function defaultTypeResolver( |
||
| 780 | $value, |
||
| 781 | $context, |
||
| 782 | ResolveInfo $info, |
||
| 783 | AbstractTypeInterface $abstractType |
||
| 784 | ) { |
||
| 785 | $possibleTypes = $info->getSchema()->getPossibleTypes($abstractType); |
||
| 786 | $promisedIsTypeOfResults = []; |
||
| 787 | |||
| 788 | foreach ($possibleTypes as $index => $type) { |
||
| 789 | $isTypeOfResult = $type->isTypeOf($value, $context, $info); |
||
| 790 | if (null !== $isTypeOfResult) { |
||
| 791 | if ($this->isPromise($isTypeOfResult)) { |
||
| 792 | $promisedIsTypeOfResults[$index] = $isTypeOfResult; |
||
| 793 | continue; |
||
| 794 | } |
||
| 795 | |||
| 796 | if ($isTypeOfResult === true) { |
||
| 797 | return $type; |
||
| 798 | } |
||
| 799 | |||
| 800 | if (\is_array($value)) { |
||
| 801 | //@TODO Make `type` configurable |
||
| 802 | if (isset($value['type']) && $value['type'] === $type->getName()) { |
||
| 803 | return $type; |
||
| 804 | } |
||
| 805 | } |
||
| 806 | } |
||
| 807 | } |
||
| 808 | |||
| 809 | if (!empty($promisedIsTypeOfResults)) { |
||
| 810 | return \React\Promise\all($promisedIsTypeOfResults) |
||
| 811 | ->then(function ($isTypeOfResults) use ($possibleTypes) { |
||
| 812 | foreach ($isTypeOfResults as $index => $result) { |
||
| 813 | if ($result) { |
||
| 814 | return $possibleTypes[$index]; |
||
| 815 | } |
||
| 816 | } |
||
| 817 | return null; |
||
| 818 | }); |
||
| 819 | } |
||
| 820 | |||
| 821 | return null; |
||
| 822 | } |
||
| 823 | |||
| 824 | /** |
||
| 825 | * @param ObjectType $returnType |
||
| 826 | * @param $fieldNodes |
||
| 827 | * @param ResolveInfo $info |
||
| 828 | * @param $path |
||
| 829 | * @param $result |
||
| 830 | * |
||
| 831 | * @return array |
||
| 832 | * @throws ExecutionException |
||
| 833 | * @throws InvalidTypeException |
||
| 834 | * @throws \Digia\GraphQL\Error\InvariantException |
||
| 835 | * @throws \Throwable |
||
| 836 | */ |
||
| 837 | private function completeObjectValue( |
||
| 838 | ObjectType $returnType, |
||
| 839 | $fieldNodes, |
||
| 840 | ResolveInfo $info, |
||
| 841 | $path, |
||
| 842 | &$result |
||
| 843 | ) { |
||
| 844 | |||
| 845 | if (null !== $returnType->getIsTypeOf()) { |
||
| 846 | $isTypeOf = $returnType->isTypeOf($result, |
||
| 847 | $this->context->getContextValue(), $info); |
||
| 848 | //@TODO check for promise? |
||
| 849 | if (!$isTypeOf) { |
||
| 850 | throw new ExecutionException( |
||
| 851 | sprintf('Expected value of type "%s" but received: %s.', |
||
| 852 | (string)$returnType, toString($result)) |
||
| 853 | ); |
||
| 854 | } |
||
| 855 | } |
||
| 856 | |||
| 857 | return $this->collectAndExecuteSubFields( |
||
| 858 | $returnType, |
||
| 859 | $fieldNodes, |
||
| 860 | $info, |
||
| 861 | $path, |
||
| 862 | $result |
||
| 863 | ); |
||
| 864 | } |
||
| 865 | |||
| 866 | /** |
||
| 867 | * @param ObjectType $returnType |
||
| 868 | * @param $fieldNodes |
||
| 869 | * @param ResolveInfo $info |
||
| 870 | * @param $path |
||
| 871 | * @param $result |
||
| 872 | * |
||
| 873 | * @return array |
||
| 874 | * @throws InvalidTypeException |
||
| 875 | * @throws \Digia\GraphQL\Error\ExecutionException |
||
| 876 | * @throws \Digia\GraphQL\Error\InvariantException |
||
| 877 | * @throws \Throwable |
||
| 878 | */ |
||
| 879 | private function collectAndExecuteSubFields( |
||
| 907 | } |
||
| 908 | |||
| 909 | /** |
||
| 910 | * @param ObjectType $runtimeType |
||
| 911 | * @param SelectionSetNode $selectionSet |
||
| 912 | * @param $fields |
||
| 913 | * @param $visitedFragmentNames |
||
| 914 | * |
||
| 915 | * @return mixed |
||
| 916 | * @throws InvalidTypeException |
||
| 917 | * @throws \Digia\GraphQL\Error\ExecutionException |
||
| 918 | * @throws \Digia\GraphQL\Error\InvariantException |
||
| 919 | */ |
||
| 920 | protected function collectFields( |
||
| 965 | } |
||
| 966 | |||
| 967 | /** |
||
| 968 | * @param $node |
||
| 969 | * |
||
| 970 | * @return bool |
||
| 971 | * @throws InvalidTypeException |
||
| 972 | * @throws \Digia\GraphQL\Error\ExecutionException |
||
| 973 | * @throws \Digia\GraphQL\Error\InvariantException |
||
| 974 | */ |
||
| 975 | private function shouldIncludeNode(NodeInterface $node): bool |
||
| 976 | { |
||
| 977 | |||
| 978 | $contextVariables = $this->context->getVariableValues(); |
||
| 979 | |||
| 980 | $skip = coerceDirectiveValues(SkipDirective(), $node, |
||
| 981 | $contextVariables); |
||
| 982 | |||
| 983 | if ($skip && $skip['if'] === true) { |
||
| 984 | return false; |
||
| 985 | } |
||
| 986 | |||
| 987 | $include = coerceDirectiveValues(IncludeDirective(), $node, |
||
| 988 | $contextVariables); |
||
| 989 | |||
| 990 | if ($include && $include['if'] === false) { |
||
| 991 | return false; |
||
| 992 | } |
||
| 993 | |||
| 994 | return true; |
||
| 995 | } |
||
| 996 | |||
| 997 | /** |
||
| 998 | * @TODO: consider to move this to FieldNode |
||
| 999 | * |
||
| 1000 | * @param FieldNode $node |
||
| 1001 | * |
||
| 1002 | * @return string |
||
| 1003 | */ |
||
| 1004 | private function getFieldNameKey(FieldNode $node): string |
||
| 1008 | } |
||
| 1009 | |||
| 1010 | /** |
||
| 1011 | * @param FragmentDefinitionNode|InlineFragmentNode $fragment |
||
| 1012 | * @param ObjectType $type |
||
| 1013 | * |
||
| 1014 | * @return bool |
||
| 1015 | * @throws InvalidTypeException |
||
| 1016 | */ |
||
| 1017 | private function doesFragmentConditionMatch( |
||
| 1040 | } |
||
| 1041 | |||
| 1042 | /** |
||
| 1043 | * @param $runtimeTypeOrName |
||
| 1044 | * @param AbstractTypeInterface $returnType |
||
| 1045 | * @param $fieldNodes |
||
| 1046 | * @param ResolveInfo $info |
||
| 1047 | * @param $result |
||
| 1048 | * |
||
| 1049 | * @return TypeInterface|ObjectType|null |
||
| 1050 | * @throws ExecutionException |
||
| 1051 | */ |
||
| 1052 | private function ensureValidRuntimeType( |
||
| 1053 | $runtimeTypeOrName, |
||
| 1054 | AbstractTypeInterface $returnType, |
||
| 1055 | $fieldNodes, |
||
| 1056 | ResolveInfo $info, |
||
| 1057 | &$result |
||
| 1058 | ) { |
||
| 1059 | $runtimeType = is_string($runtimeTypeOrName) |
||
| 1060 | ? $this->context->getSchema()->getType($runtimeTypeOrName) |
||
| 1061 | : $runtimeTypeOrName; |
||
| 1062 | |||
| 1063 | $runtimeTypeName = is_string($runtimeType) ?: $runtimeType->getName(); |
||
| 1064 | $returnTypeName = $returnType->getName(); |
||
| 1065 | |||
| 1066 | if (!$runtimeType instanceof ObjectType) { |
||
| 1067 | $parentTypeName = $info->getParentType()->getName(); |
||
| 1068 | $fieldName = $info->getFieldName(); |
||
| 1069 | |||
| 1070 | throw new ExecutionException( |
||
| 1071 | "Abstract type {$returnTypeName} must resolve to an Object type at runtime " . |
||
| 1072 | "for field {$parentTypeName}.{$fieldName} with " . |
||
| 1073 | 'value "' . $result . '", received "{$runtimeTypeName}".' |
||
| 1074 | ); |
||
| 1075 | } |
||
| 1076 | |||
| 1077 | if (!$this->context->getSchema() |
||
| 1078 | ->isPossibleType($returnType, $runtimeType)) { |
||
| 1079 | throw new ExecutionException( |
||
| 1080 | "Runtime Object type \"{$runtimeTypeName}\" is not a possible type for \"{$returnTypeName}\"." |
||
| 1081 | ); |
||
| 1082 | } |
||
| 1083 | |||
| 1084 | if ($runtimeType !== $this->context->getSchema() |
||
| 1085 | ->getType($runtimeType->getName())) { |
||
| 1086 | throw new ExecutionException( |
||
| 1087 | "Schema must contain unique named types but contains multiple types named \"{$runtimeTypeName}\". " . |
||
| 1088 | "Make sure that `resolveType` function of abstract type \"{$returnTypeName}\" returns the same " . |
||
| 1089 | "type instance as referenced anywhere else within the schema." |
||
| 1090 | ); |
||
| 1091 | } |
||
| 1092 | |||
| 1093 | return $runtimeType; |
||
| 1094 | } |
||
| 1095 | |||
| 1096 | /** |
||
| 1097 | * @param \Throwable $originalException |
||
| 1098 | * @param array $nodes |
||
| 1099 | * @param string|array $path |
||
| 1100 | * |
||
| 1101 | * @return GraphQLException |
||
| 1102 | */ |
||
| 1103 | protected function buildLocatedError( |
||
| 1115 | ); |
||
| 1116 | } |
||
| 1117 | } |
||
| 1118 |
Loading history...
Adding explicit visibility (
private,protected, orpublic) is generally recommend to communicate to other developers how, and from where this method is intended to be used.