Execution::createContext() - Code Metrics - Inspection of "Refactor execution package" - digiaonline/graphql-php - Measure and Improve Code Quality continuously with Scrutinizer

Passed

Pull Request — master (#217)

by Christoffer

created 2018-05-10 08:45 UTC

Execution::createContext() C

↳ Parent: Execution

Complexity

Conditions	13
Paths	26

Size

Total Lines	69
Code Lines	36

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
cc	13
eloc	36
nc	26
nop	7
dl	0
loc	69
rs	5.6955
c	0
b	0
f	0

How to fix Long Method Complexity

<?php

namespace Digia\GraphQL\Execution;

use Digia\GraphQL\Error\ExecutionException;
use Digia\GraphQL\Language\Node\DocumentNode;
use Digia\GraphQL\Language\Node\FragmentDefinitionNode;
use Digia\GraphQL\Language\Node\FragmentSpreadNode;
use Digia\GraphQL\Language\Node\OperationDefinitionNode;
use Digia\GraphQL\Schema\Schema;

class Execution implements ExecutionInterface
{
    /**
     * @param Schema        $schema
     * @param DocumentNode  $documentNode
     * @param mixed         $rootValue
     * @param mixed         $contextValue
     * @param array         $variableValues
     * @param null|string   $operationName
     * @param callable|null $fieldResolver
     * @return ExecutionResult
     * @throws \Throwable
     */
    public function execute(
        Schema $schema,
        DocumentNode $documentNode,
        $rootValue = null,
        $contextValue = null,
        array $variableValues = [],
        ?string $operationName = null,
        ?callable $fieldResolver = null
    ): ExecutionResult {
        try {
            $context = $this->createContext(
                $schema,
                $documentNode,
                $rootValue,
                $contextValue,
                $variableValues,
                $operationName,
                $fieldResolver
            );

            // Return early errors if execution context failed.
            if (!empty($context->getErrors())) {
                return new ExecutionResult(null, $context->getErrors());
            }
        } catch (ExecutionException $error) {
            return new ExecutionResult(null, [$error]);
        }

        $data   = $this->createExecutor($context)->execute();
        $errors = $context->getErrors();

        return new ExecutionResult($data, $errors);
    }

    /**
     * @param Schema        $schema
     * @param DocumentNode  $documentNode
     * @param mixed         $rootValue
     * @param mixed         $contextValue
     * @param mixed         $rawVariableValues
     * @param null|string   $operationName
     * @param callable|null $fieldResolver
     * @return ExecutionContext
     * @throws ExecutionException
     * @throws \Exception
     */
    protected function createContext(
        Schema $schema,
        DocumentNode $documentNode,
        $rootValue,
        $contextValue,
        $rawVariableValues,
        ?string $operationName = null,
        ?callable $fieldResolver = null
    ): ExecutionContext {
        $errors    = [];
        $fragments = [];
        $operation = null;

        foreach ($documentNode->getDefinitions() as $definition) {
            if ($definition instanceof OperationDefinitionNode) {
                if (null === $operationName && $operation) {
                    throw new ExecutionException(
                        'Must provide operation name if query contains multiple operations.'
                    );
                }

                if (null === $operationName || $definition->getNameValue() === $operationName) {
                    $operation = $definition;
                }

                continue;
            }

            if ($definition instanceof FragmentDefinitionNode || $definition instanceof FragmentSpreadNode) {
                $fragments[$definition->getNameValue()] = $definition;

                continue;
            }
        }

        if (null === $operation) {
            if (null !== $operationName) {
                throw new ExecutionException(sprintf('Unknown operation named "%s".', $operationName));
            }

            throw new ExecutionException('Must provide an operation.');
        }

        $variableValues = [];

        /** @var OperationDefinitionNode $operation */
        if (null !== $operation) {
            $coercedVariableValues = coerceVariableValues(
                $schema,
                $operation->getVariableDefinitions(),
                $rawVariableValues
            );

            $variableValues = $coercedVariableValues->getValue();

            if ($coercedVariableValues->hasErrors()) {
                $errors = $coercedVariableValues->getErrors();
            }
        }

        return new ExecutionContext(
            $schema,
            $fragments,
            $rootValue,
            $contextValue,
            $variableValues,
            $fieldResolver,
            $operation,
            $errors
        );
    }

    /**
     * @param ExecutionContext $context
     * @return Executor
     */
    protected function createExecutor(ExecutionContext $context): Executor
    {
        return new Executor($context, new FieldCollector($context));
    }
}


1			<?php
2
3			namespace Digia\GraphQL\Execution;
4
5			use Digia\GraphQL\Error\ExecutionException;
6			use Digia\GraphQL\Language\Node\DocumentNode;
7			use Digia\GraphQL\Language\Node\FragmentDefinitionNode;
8			use Digia\GraphQL\Language\Node\FragmentSpreadNode;
9			use Digia\GraphQL\Language\Node\OperationDefinitionNode;
10			use Digia\GraphQL\Schema\Schema;
11
12			class Execution implements ExecutionInterface
13			{
14			/**
15			* @param Schema $schema
16			* @param DocumentNode $documentNode
17			* @param mixed $rootValue
18			* @param mixed $contextValue
19			* @param array $variableValues
20			* @param null\|string $operationName
21			* @param callable\|null $fieldResolver
22			* @return ExecutionResult
23			* @throws \Throwable
24			*/
25			public function execute(
26			Schema $schema,
27			DocumentNode $documentNode,
28			$rootValue = null,
29			$contextValue = null,
30			array $variableValues = [],
31			?string $operationName = null,
32			?callable $fieldResolver = null
33			): ExecutionResult {
34			try {
35			$context = $this->createContext(
36			$schema,
37			$documentNode,
38			$rootValue,
39			$contextValue,
40			$variableValues,
41			$operationName,
42			$fieldResolver
43			);
44
45			// Return early errors if execution context failed.
46			if (!empty($context->getErrors())) {
47			return new ExecutionResult(null, $context->getErrors());
48			}
49			} catch (ExecutionException $error) {
50			return new ExecutionResult(null, [$error]);
51			}
52
53			$data = $this->createExecutor($context)->execute();
54			$errors = $context->getErrors();
55
56			return new ExecutionResult($data, $errors);
57			}
58
59			/**
60			* @param Schema $schema
61			* @param DocumentNode $documentNode
62			* @param mixed $rootValue
63			* @param mixed $contextValue
64			* @param mixed $rawVariableValues
65			* @param null\|string $operationName
66			* @param callable\|null $fieldResolver
67			* @return ExecutionContext
68			* @throws ExecutionException
69			* @throws \Exception
70			*/
71			protected function createContext(
72			Schema $schema,
73			DocumentNode $documentNode,
74			$rootValue,
75			$contextValue,
76			$rawVariableValues,
77			?string $operationName = null,
78			?callable $fieldResolver = null
79			): ExecutionContext {
80			$errors = [];
81			$fragments = [];
82			$operation = null;
83
84			foreach ($documentNode->getDefinitions() as $definition) {
85			if ($definition instanceof OperationDefinitionNode) {
86			if (null === $operationName && $operation) {
87			throw new ExecutionException(
88			'Must provide operation name if query contains multiple operations.'
89			);
90			}
91
92			if (null === $operationName \|\| $definition->getNameValue() === $operationName) {
93			$operation = $definition;
94			}
95
96			continue;
97			}
98
99			if ($definition instanceof FragmentDefinitionNode \|\| $definition instanceof FragmentSpreadNode) {
100			$fragments[$definition->getNameValue()] = $definition;
101
102			continue;
103			}
104			}
105
106			if (null === $operation) {
107			if (null !== $operationName) {
108			throw new ExecutionException(sprintf('Unknown operation named "%s".', $operationName));
109			}
110
111			throw new ExecutionException('Must provide an operation.');
112			}
113
114			$variableValues = [];
115
116			/** @var OperationDefinitionNode $operation */
117			if (null !== $operation) {
118			$coercedVariableValues = coerceVariableValues(
119			$schema,
120			$operation->getVariableDefinitions(),
121			$rawVariableValues
122			);
123
124			$variableValues = $coercedVariableValues->getValue();
125
126			if ($coercedVariableValues->hasErrors()) {
127			$errors = $coercedVariableValues->getErrors();
128			}
129			}
130
131			return new ExecutionContext(
132			$schema,
133			$fragments,
134			$rootValue,
135			$contextValue,
136			$variableValues,
137			$fieldResolver,
138			$operation,
139			$errors
140			);
141			}
142
143			/**
144			* @param ExecutionContext $context
145			* @return Executor
146			*/
147			protected function createExecutor(ExecutionContext $context): Executor
148			{
149			return new Executor($context, new FieldCollector($context));
150			}
151			}
152

digiaonline / graphql-php

Pull Request — master (#217)

Execution::createContext() C

Complexity

Size

Duplication

Importance

How to fix Long Method Complexity

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