FieldsConfigSolution::resolveAccessAndWrapResolveCallback() - Code Metrics - Inspection of "Expression "object" should be available for mutati..." - overblog/GraphQLBundle - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Pull Request — master (#35)

by Jérémiah

created 2016-04-19 15:59 UTC

resolveAccessAndWrapResolveCallback() B

↳ Parent: FieldsConfigSolution

Complexity

Conditions	5
Paths	1

Size

Total Lines	20
Code Lines	11

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	11
CRAP Score	5

Importance

Changes	4
Bugs	1	Features	0

Metric	Value
c	4
b	1
f	0
dl	0
loc	20
ccs	11
cts	11
cp	1
rs	8.8571
cc	5
eloc	11
nc	1
nop	2
crap	5

<?php

/*
 * This file is part of the OverblogGraphQLBundle package.
 *
 * (c) Overblog <http://github.com/overblog/>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Overblog\GraphQLBundle\Resolver\Config;

use GraphQL\Type\Definition\ResolveInfo;
use Overblog\GraphQLBundle\Definition\Argument;
use Overblog\GraphQLBundle\Definition\Builder\MappingInterface;
use Overblog\GraphQLBundle\Error\UserError;
use Overblog\GraphQLBundle\Relay\Connection\Output\Connection;
use Overblog\GraphQLBundle\Relay\Connection\Output\Edge;
use Overblog\GraphQLBundle\Resolver\ResolverInterface;

class FieldsConfigSolution extends AbstractConfigSolution
{
    /**
     * @var TypeConfigSolution
     */
    private $typeConfigSolution;

    /**
     * @var ResolveCallbackConfigSolution
     */
    private $resolveCallbackConfigSolution;

    public function __construct(
        TypeConfigSolution $typeConfigSolution,
        ResolveCallbackConfigSolution $resolveCallbackConfigSolution
    ) {
        $this->typeConfigSolution = $typeConfigSolution;
        $this->resolveCallbackConfigSolution = $resolveCallbackConfigSolution;
    }

    public function solve($values, array &$config = null)
    {
        // builder must be last
        $fieldsTreated = ['complexity', 'type', 'args', 'argsBuilder', 'deprecationReason', 'builder'];

        $fieldsDefaultAccess = isset($config['fieldsDefaultAccess']) ? $config['fieldsDefaultAccess'] : null;
        unset($config['fieldsDefaultAccess']);

        foreach ($values as $field => &$options) {
            //init access with fields default access if needed
            $options['access'] = isset($options['access']) ? $options['access'] : $fieldsDefaultAccess;

            foreach ($fieldsTreated as $fieldTreated) {
                if (isset($options[$fieldTreated])) {
                    $method = 'solve'.ucfirst($fieldTreated);
                    $options = $this->$method($options, $field, $config);
                }
            }
            $options = $this->resolveResolveAndAccessIfNeeded($options);
        }

        return $values;
    }

    private function solveComplexity($options, $field)

    {
        $treatedOptions = $options;

        $value = $treatedOptions['complexity'];

        $treatedOptions['complexity'] = function () use ($value) {
            $args = func_get_args();
            $complexity = $this->solveUsingExpressionLanguageIfNeeded(
                $value,
                [
                    'childrenComplexity' => $args[0],
                    'args' => new Argument($args[1]),
                ]
            );

            return (int) $complexity;
        };

        return $treatedOptions;
    }

    private function solveBuilder($options, $field)
    {
        $builderConfig = isset($options['builderConfig']) ? $options['builderConfig'] : [];

        $access = isset($options['access']) ? $options['access'] : null;
        $options = $this->builderToMappingDefinition($options['builder'], $builderConfig, $this->fieldResolver, $field);
        $options['access'] = $access;
        $options = $this->resolveResolveAndAccessIfNeeded($options);

        unset($options['builderConfig'], $options['builder']);

        return $options;
    }

    private function solveType($options)
    {
        $options['type'] = $this->typeConfigSolution->solveTypeCallback($options['type']);

        return $options;
    }

    private function solveArgs($options)
    {
        foreach ($options['args'] as &$argsOptions) {
            $argsOptions['type'] = $this->typeConfigSolution->solveTypeCallback($argsOptions['type']);
            if (isset($argsOptions['defaultValue'])) {
                $argsOptions['defaultValue'] = $this->solveUsingExpressionLanguageIfNeeded($argsOptions['defaultValue']);
            }
        }

        return $options;
    }

    private function solveArgsBuilder($options)
    {
        $argsBuilderConfig = isset($options['argsBuilder']['config']) ? $options['argsBuilder']['config'] : [];

        $options['args'] = array_merge(
            $this->builderToMappingDefinition($options['argsBuilder']['builder'], $argsBuilderConfig, $this->argResolver),
            isset($options['args']) ? $options['args'] : []
        );

        unset($options['argsBuilder']);

        return $options;
    }

    private function solveDeprecationReason($options)
    {
        $options['deprecationReason'] = $this->solveUsingExpressionLanguageIfNeeded($options['deprecationReason']);

        return $options;
    }

    private function builderToMappingDefinition($rawBuilder, array $rawBuilderConfig, ResolverInterface $builderResolver, $name = null)
    {
        /** @var MappingInterface $builder */
        $builder = $builderResolver->resolve($rawBuilder);
        $builderConfig = [];
        if (!empty($rawBuilderConfig)) {
            $builderConfig = $rawBuilderConfig;
            $builderConfig = $this->configResolver->resolve($builderConfig);
        }

        if (null !== $name) {
            $builderConfig['name'] = $name;
        }

        return $builder->toMappingDefinition($builderConfig);
    }

    private function resolveResolveAndAccessIfNeeded(array $options)
    {
        $treatedOptions = $options;

        if (isset($treatedOptions['resolve'])) {
            $treatedOptions['resolve'] = $this->resolveCallbackConfigSolution->solve($treatedOptions['resolve']);
        }

        if (isset($treatedOptions['access'])) {
            $resolveCallback = $this->configResolver->getDefaultResolveFn();

            if (isset($treatedOptions['resolve'])) {
                $resolveCallback = $treatedOptions['resolve'];
            }

            $treatedOptions['resolve'] = $this->resolveAccessAndWrapResolveCallback($treatedOptions['access'], $resolveCallback);
        }
        unset($treatedOptions['access']);

        return $treatedOptions;
    }

    private function resolveAccessAndWrapResolveCallback($expression, callable $resolveCallback)
    {
        return function () use ($expression, $resolveCallback) {
            $args = func_get_args();

            $values = call_user_func_array([$this, 'solveResolveCallbackArgs'], $args);

            $info = $values['info'];

            // operation is mutation and is mutation field
            if ($info instanceof ResolveInfo && $info->operation->operation === 'mutation' && $info->parentType === $info->schema->getMutationType()) {
                $checkAccess = $this->checkAccessCallback($expression, $values);
                $result = $checkAccess(null, $values) ? call_user_func_array($resolveCallback, $args) : null;
            } else {
                $result = $this->filterResultUsingAccess(call_user_func_array($resolveCallback, $args), $expression, $values);
            }

            return $result;
        };
    }

    private function filterResultUsingAccess($result, $expression, $values)
    {
        $checkAccess = $this->checkAccessCallback($expression, $values);

        switch (true) {
            case is_array($result):
                $result = array_map(
                    function ($object) use ($checkAccess) {
                        return $checkAccess($object) ? $object : null;
                    },
                    $result
                );
                break;

            case $result instanceof Connection:
                $result->edges = array_map(
                    function (Edge $edge) use ($checkAccess) {
                        $edge->node = $checkAccess($edge->node) ? $edge->node : null;

                        return $edge;
                    },
                    $result->edges
                );
                break;

            default:
                $checkAccess($result, true);
                break;
        }

        return $result;
    }

    private function checkAccessCallback($expression, $values)
    {
        return function ($object, $throwException = false) use ($expression, $values) {
            try {
                $access = $this->solveUsingExpressionLanguageIfNeeded(
                    $expression,
                    array_merge($values, ['object' => $object])
                );
            } catch (\Exception $e) {
                $access = false;
            }

            if ($throwException && !$access) {
                throw new UserError('Access denied to this field.');
            }

            return $access;
        };
    }
}


1		<?php
2
3		/*
4		* This file is part of the OverblogGraphQLBundle package.
5		*
6		* (c) Overblog <http://github.com/overblog/>
7		*
8		* For the full copyright and license information, please view the LICENSE
9		* file that was distributed with this source code.
10		*/
11
12		namespace Overblog\GraphQLBundle\Resolver\Config;
13
14		use GraphQL\Type\Definition\ResolveInfo;
15		use Overblog\GraphQLBundle\Definition\Argument;
16		use Overblog\GraphQLBundle\Definition\Builder\MappingInterface;
17		use Overblog\GraphQLBundle\Error\UserError;
18		use Overblog\GraphQLBundle\Relay\Connection\Output\Connection;
19		use Overblog\GraphQLBundle\Relay\Connection\Output\Edge;
20		use Overblog\GraphQLBundle\Resolver\ResolverInterface;
21
22		class FieldsConfigSolution extends AbstractConfigSolution
23		{
24		/**
25		* @var TypeConfigSolution
26		*/
27		private $typeConfigSolution;
28
29		/**
30		* @var ResolveCallbackConfigSolution
31		*/
32		private $resolveCallbackConfigSolution;
33
34	45	public function __construct(
35		TypeConfigSolution $typeConfigSolution,
36		ResolveCallbackConfigSolution $resolveCallbackConfigSolution
37		) {
38	45	$this->typeConfigSolution = $typeConfigSolution;
39	45	$this->resolveCallbackConfigSolution = $resolveCallbackConfigSolution;
40	45	}
41
42	40	public function solve($values, array &$config = null)
43		{
44		// builder must be last
45	40	$fieldsTreated = ['complexity', 'type', 'args', 'argsBuilder', 'deprecationReason', 'builder'];
46
47	40	$fieldsDefaultAccess = isset($config['fieldsDefaultAccess']) ? $config['fieldsDefaultAccess'] : null;
48	40	unset($config['fieldsDefaultAccess']);
49
50	40	foreach ($values as $field => &$options) {
51		//init access with fields default access if needed
52	40	$options['access'] = isset($options['access']) ? $options['access'] : $fieldsDefaultAccess;
53
54	40	foreach ($fieldsTreated as $fieldTreated) {
55	40	if (isset($options[$fieldTreated])) {
56	40	$method = 'solve'.ucfirst($fieldTreated);
57	40	$options = $this->$method($options, $field, $config);
58	40	}
59	40	}
60	40	$options = $this->resolveResolveAndAccessIfNeeded($options);
61	40	}
62
63	40	return $values;
64		}
65
66	2	private function solveComplexity($options, $field)
		0 ignored issues – show Unused Code introduced 2016-04-02 20:15 UTC by Report Bug Copy Issue Report The parameter `$field` is not used and could be removed. This check looks from parameters that have been defined for a function or method, but which are not used in the method body. Loading history...
67		{
68	2	$treatedOptions = $options;
69
70	2	$value = $treatedOptions['complexity'];
71
72		$treatedOptions['complexity'] = function () use ($value) {
73	2	$args = func_get_args();
74	2	$complexity = $this->solveUsingExpressionLanguageIfNeeded(
75	2	$value,
76		[
77	2	'childrenComplexity' => $args[0],
78	2	'args' => new Argument($args[1]),
79		]
80	2	);
81
82	2	return (int) $complexity;
83		};
84
85	2	return $treatedOptions;
86		}
87
88	30	private function solveBuilder($options, $field)
89		{
90	30	$builderConfig = isset($options['builderConfig']) ? $options['builderConfig'] : [];
91
92	30	$access = isset($options['access']) ? $options['access'] : null;
93	30	$options = $this->builderToMappingDefinition($options['builder'], $builderConfig, $this->fieldResolver, $field);
94	30	$options['access'] = $access;
95	30	$options = $this->resolveResolveAndAccessIfNeeded($options);
96
97	30	unset($options['builderConfig'], $options['builder']);
98
99	30	return $options;
100		}
101
102	40	private function solveType($options)
103		{
104	40	$options['type'] = $this->typeConfigSolution->solveTypeCallback($options['type']);
105
106	40	return $options;
107		}
108
109		private function solveArgs($options)
110		{
111		foreach ($options['args'] as &$argsOptions) {
112		$argsOptions['type'] = $this->typeConfigSolution->solveTypeCallback($argsOptions['type']);
113		if (isset($argsOptions['defaultValue'])) {
114		$argsOptions['defaultValue'] = $this->solveUsingExpressionLanguageIfNeeded($argsOptions['defaultValue']);
115		}
116		}
117
118		return $options;
119		}
120
121	21	private function solveArgsBuilder($options)
122		{
123	21	$argsBuilderConfig = isset($options['argsBuilder']['config']) ? $options['argsBuilder']['config'] : [];
124
125	21	$options['args'] = array_merge(
126	21	$this->builderToMappingDefinition($options['argsBuilder']['builder'], $argsBuilderConfig, $this->argResolver),
127	21	isset($options['args']) ? $options['args'] : []
128	21	);
129
130	21	unset($options['argsBuilder']);
131
132	21	return $options;
133		}
134
135		private function solveDeprecationReason($options)
136		{
137		$options['deprecationReason'] = $this->solveUsingExpressionLanguageIfNeeded($options['deprecationReason']);
138
139		return $options;
140		}
141
142	40	private function builderToMappingDefinition($rawBuilder, array $rawBuilderConfig, ResolverInterface $builderResolver, $name = null)
143		{
144		/** @var MappingInterface $builder */
145	40	$builder = $builderResolver->resolve($rawBuilder);
146	40	$builderConfig = [];
147	40	if (!empty($rawBuilderConfig)) {
148	30	$builderConfig = $rawBuilderConfig;
149	30	$builderConfig = $this->configResolver->resolve($builderConfig);
150	30	}
151
152	40	if (null !== $name) {
153	30	$builderConfig['name'] = $name;
154	30	}
155
156	40	return $builder->toMappingDefinition($builderConfig);
157		}
158
159	40	private function resolveResolveAndAccessIfNeeded(array $options)
160		{
161	40	$treatedOptions = $options;
162
163	40	if (isset($treatedOptions['resolve'])) {
164	40	$treatedOptions['resolve'] = $this->resolveCallbackConfigSolution->solve($treatedOptions['resolve']);
165	40	}
166
167	40	if (isset($treatedOptions['access'])) {
168	11	$resolveCallback = $this->configResolver->getDefaultResolveFn();
169
170	11	if (isset($treatedOptions['resolve'])) {
171	11	$resolveCallback = $treatedOptions['resolve'];
172	11	}
173
174	11	$treatedOptions['resolve'] = $this->resolveAccessAndWrapResolveCallback($treatedOptions['access'], $resolveCallback);
175	11	}
176	40	unset($treatedOptions['access']);
177
178	40	return $treatedOptions;
179		}
180
181	16	private function resolveAccessAndWrapResolveCallback($expression, callable $resolveCallback)
182		{
183		return function () use ($expression, $resolveCallback) {
184	16	$args = func_get_args();
185
186	16	$values = call_user_func_array([$this, 'solveResolveCallbackArgs'], $args);
187
188	16	$info = $values['info'];
189
190		// operation is mutation and is mutation field
191	16	if ($info instanceof ResolveInfo && $info->operation->operation === 'mutation' && $info->parentType === $info->schema->getMutationType()) {
192	4	$checkAccess = $this->checkAccessCallback($expression, $values);
193	4	$result = $checkAccess(null, $values) ? call_user_func_array($resolveCallback, $args) : null;
194	3	} else {
195	15	$result = $this->filterResultUsingAccess(call_user_func_array($resolveCallback, $args), $expression, $values);
196		}
197
198	11	return $result;
199	16	};
200		}
201
202	15	private function filterResultUsingAccess($result, $expression, $values)
203		{
204	15	$checkAccess = $this->checkAccessCallback($expression, $values);
205
206	15	switch (true) {
207	15	case is_array($result):
208	4	$result = array_map(
209		function ($object) use ($checkAccess) {
210	4	return $checkAccess($object) ? $object : null;
211	4	},
212		$result
213	4	);
214	4	break;
215
216	11	case $result instanceof Connection:
217	2	$result->edges = array_map(
218		function (Edge $edge) use ($checkAccess) {
219	2	$edge->node = $checkAccess($edge->node) ? $edge->node : null;
220
221	2	return $edge;
222	2	},
223	2	$result->edges
224	2	);
225	2	break;
226
227	10	default:
228	10	$checkAccess($result, true);
229	5	break;
230	10	}
231
232	10	return $result;
233		}
234
235		private function checkAccessCallback($expression, $values)
236		{
237	16	return function ($object, $throwException = false) use ($expression, $values) {
238		try {
239	16	$access = $this->solveUsingExpressionLanguageIfNeeded(
240	16	$expression,
241	16	array_merge($values, ['object' => $object])
242	16	);
243	16	} catch (\Exception $e) {
244	2	$access = false;
245		}
246
247	16	if ($throwException && !$access) {
248	7	throw new UserError('Access denied to this field.');
249		}
250
251	11	return $access;
252	16	};
253		}
254		}
255

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Pull Request — master (#35)

resolveAccessAndWrapResolveCallback() B

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