GlobTypeMapper::getTypeFromCacheByObjectClass() - Code Metrics - Inspection of "Adding ability to create input types using factori..." - thecodingmachine/graphql-controllers - Measure and Improve Code Quality continuously with Scrutinizer

Passed

Pull Request — master (#63)

by David

created 2018-12-21 16:12 UTC

GlobTypeMapper::getTypeFromCacheByObjectClass() A

↳ Parent: GlobTypeMapper

Complexity

Conditions	4
Paths	4

Size

Total Lines	23
Code Lines	12

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
eloc	12
dl	0
loc	23
rs	9.8666
c	0
b	0
f	0
cc	4
nc	4
nop	1

<?php


namespace TheCodingMachine\GraphQL\Controllers\Mappers;

use function array_keys;
use function filemtime;
use GraphQL\Type\Definition\InputObjectType;
use GraphQL\Type\Definition\InputType;
use GraphQL\Type\Definition\ObjectType;
use GraphQL\Type\Definition\OutputType;
use Mouf\Composer\ClassNameMapper;
use Psr\Container\ContainerInterface;
use Psr\SimpleCache\CacheInterface;
use ReflectionMethod;
use TheCodingMachine\ClassExplorer\Glob\GlobClassExplorer;
use TheCodingMachine\GraphQL\Controllers\AnnotationReader;
use TheCodingMachine\GraphQL\Controllers\Annotations\Factory;
use TheCodingMachine\GraphQL\Controllers\Annotations\Type;
use TheCodingMachine\GraphQL\Controllers\InputTypeGenerator;
use TheCodingMachine\GraphQL\Controllers\NamingStrategy;
use TheCodingMachine\GraphQL\Controllers\TypeGenerator;

/**
 * Scans all the classes in a given namespace of the main project (not the vendor directory).
 * Analyzes all classes and uses the @Type annotation to find the types automatically.
 *
 * Assumes that the container contains a class whose identifier is the same as the class name.
 */
final class GlobTypeMapper implements TypeMapperInterface
{
    /**
     * @var string
     */
    private $namespace;
    /**
     * @var AnnotationReader
     */
    private $annotationReader;
    /**
     * @var CacheInterface
     */
    private $cache;
    /**
     * @var int|null
     */
    private $globTtl;
    /**
     * @var array<string,string> Maps a domain class to the GraphQL type annotated class
     */
    private $mapClassToTypeArray = [];
    /**
     * @var array<string,string> Maps a GraphQL type name to the GraphQL type annotated class
     */
    private $mapNameToType = [];
    /**
     * @var array<string,string[]> Maps a domain class to the factory method that creates the input type in the form [classname, methodname]
     */
    private $mapClassToFactory = [];
    /**
     * @var array<string,string[]> Maps a GraphQL input type name to the factory method that creates the input type in the form [classname, methodname]
     */
    private $mapInputNameToFactory = [];
    /**
     * @var ContainerInterface
     */
    private $container;
    /**
     * @var TypeGenerator
     */
    private $typeGenerator;
    /**
     * @var int|null
     */
    private $mapTtl;
    /**
     * @var bool
     */
    private $fullMapComputed = false;
    /**
     * @var NamingStrategy
     */
    private $namingStrategy;
    /**
     * @var InputTypeGenerator
     */
    private $inputTypeGenerator;

    /**
     * @param string $namespace The namespace that contains the GraphQL types (they must have a `@Type` annotation)
     */
    public function __construct(string $namespace, TypeGenerator $typeGenerator, InputTypeGenerator $inputTypeGenerator, ContainerInterface $container, AnnotationReader $annotationReader, NamingStrategy $namingStrategy, CacheInterface $cache, ?int $globTtl = 2, ?int $mapTtl = null)
    {
        $this->namespace = $namespace;
        $this->typeGenerator = $typeGenerator;
        $this->container = $container;
        $this->annotationReader = $annotationReader;
        $this->namingStrategy = $namingStrategy;
        $this->cache = $cache;
        $this->globTtl = $globTtl;
        $this->mapTtl = $mapTtl;
        $this->inputTypeGenerator = $inputTypeGenerator;
    }

    /**
     * Returns an array of fully qualified class names.
     *
     * @return array<string,string>
     */
    private function getMap(): array
    {
        if ($this->fullMapComputed === false) {
            $namespace = str_replace('\\', '_', $this->namespace);
            $keyClassCache = 'globTypeMapper_'.$namespace;
            $keyNameCache = 'globTypeMapper_names_'.$namespace;
            $keyInputClassCache = 'globInputTypeMapper_'.$namespace;
            $keyInputNameCache = 'globInputTypeMapper_names_'.$namespace;
            $this->mapClassToTypeArray = $this->cache->get($keyClassCache);
            $this->mapNameToType = $this->cache->get($keyNameCache);
            $this->mapClassToFactory = $this->cache->get($keyInputClassCache);
            $this->mapInputNameToFactory = $this->cache->get($keyInputNameCache);
            if ($this->mapClassToTypeArray === null || $this->mapNameToType === null || $this->mapClassToFactory === null || $this->mapInputNameToFactory) {
                $this->buildMap();
                // This is a very short lived cache. Useful to avoid overloading a server in case of heavy load.
                // Defaults to 2 seconds.
                $this->cache->set($keyClassCache, $this->mapClassToTypeArray, $this->globTtl);
                $this->cache->set($keyNameCache, $this->mapNameToType, $this->globTtl);
                $this->cache->set($keyInputClassCache, $this->mapClassToFactory, $this->globTtl);
                $this->cache->set($keyInputNameCache, $this->mapInputNameToFactory, $this->globTtl);
            }
        }
        return $this->mapClassToTypeArray;
    }

    private function buildMap(): void
    {
        $explorer = new GlobClassExplorer($this->namespace, $this->cache, $this->globTtl, ClassNameMapper::createFromComposerFile(null, null, true));
        $classes = $explorer->getClasses();
        foreach ($classes as $className) {
            if (!\class_exists($className)) {
                continue;
            }
            $refClass = new \ReflectionClass($className);
            if (!$refClass->isInstantiable()) {
                continue;
            }

            $type = $this->annotationReader->getTypeAnnotation($refClass);

            if ($type !== null) {
                if (isset($this->mapClassToTypeArray[$type->getClass()])) {
                    /*if ($this->mapClassToTypeArray[$type->getClass()] === $className) {
                        // Already mapped. Let's continue
                        continue;
                    }*/
                    throw DuplicateMappingException::createForType($type->getClass(), $this->mapClassToTypeArray[$type->getClass()], $className);
                }
                $this->storeTypeInCache($className, $type, $refClass->getFileName());
            }

            foreach ($refClass->getMethods() as $method) {
                $factory = $this->annotationReader->getFactoryAnnotation($method);
                if ($factory !== null) {
                    [$inputName, $className] = $this->inputTypeGenerator->getInputTypeNameAndClassName($method);

                    if (isset($this->mapClassToFactory[$className])) {
                        throw DuplicateMappingException::createForFactory($className, $this->mapClassToFactory[$className][0], $this->mapClassToFactory[$className][1], $refClass->getName(), $method->name);
                    }
                    $this->storeInputTypeInCache($method, $inputName, $className, $refClass->getFileName());
                }
            }

        }
        $this->fullMapComputed = true;
    }

    /**
     * Stores in cache the mapping TypeClass <=> Object class <=> GraphQL type name.
     */
    private function storeTypeInCache(string $typeClassName, Type $type, string $typeFileName): void
    {
        $objectClassName = $type->getClass();
        $this->mapClassToTypeArray[$objectClassName] = $typeClassName;
        $this->cache->set('globTypeMapperByClass_'.str_replace('\\', '_', $objectClassName), [
            'filemtime' => filemtime($typeFileName),
            'fileName' => $typeFileName,
            'typeClass' => $typeClassName
        ], $this->mapTtl);
        $typeName = $this->namingStrategy->getOutputTypeName($typeClassName, $type);
        $this->mapNameToType[$typeName] = $typeClassName;
        $this->cache->set('globTypeMapperByName_'.$typeName, [
            'filemtime' => filemtime($typeFileName),
            'fileName' => $typeFileName,
            'typeClass' => $typeClassName
        ], $this->mapTtl);
    }

    /**
     * Stores in cache the mapping between InputType name <=> Object class
     */
    private function storeInputTypeInCache(ReflectionMethod $refMethod, string $inputName, string $className, string $fileName): void
    {
        $refArray = [$refMethod->getDeclaringClass()->getName(), $refMethod->getName()];
        $this->mapClassToFactory[$className] = $refArray;
        $this->cache->set('globInputTypeMapperByClass_'.str_replace('\\', '_', $className), [
            'filemtime' => filemtime($fileName),
            'fileName' => $fileName,
            'factory' => $refArray
        ], $this->mapTtl);
        $this->mapInputNameToFactory[$inputName] = $refArray;
        $this->cache->set('globInputTypeMapperByName_'.$inputName, [
            'filemtime' => filemtime($fileName),
            'fileName' => $fileName,
            'factory' => $refArray
        ], $this->mapTtl);
    }


    private function getTypeFromCacheByObjectClass(string $className): ?string
    {
        if (isset($this->mapClassToTypeArray[$className])) {
            return $this->mapClassToTypeArray[$className];
        }

        // Let's try from the cache
        $item = $this->cache->get('globTypeMapperByClass_'.str_replace('\\', '_', $className));
        if ($item !== null) {
            [
                'filemtime' => $filemtime,
                'fileName' => $typeFileName,
                'typeClass' => $typeClassName
            ] = $item;

            if ($filemtime === filemtime($typeFileName)) {
                $this->mapClassToTypeArray[$className] = $typeClassName;
                return $typeClassName;
            }
        }

        // cache miss
        return null;
    }

    private function getTypeFromCacheByGraphQLTypeName(string $graphqlTypeName): ?string
    {
        if (isset($this->mapNameToType[$graphqlTypeName])) {
            return $this->mapNameToType[$graphqlTypeName];
        }

        // Let's try from the cache
        $item = $this->cache->get('globTypeMapperByName_'.$graphqlTypeName);
        if ($item !== null) {
            [
                'filemtime' => $filemtime,
                'fileName' => $typeFileName,
                'typeClass' => $typeClassName
            ] = $item;

            if ($filemtime === filemtime($typeFileName)) {
                $this->mapNameToType[$graphqlTypeName] = $typeClassName;
                return $typeClassName;
            }
        }

        // cache miss
        return null;
    }

    /**
     * @return string[]|null A pointer to the factory [$className, $methodName] or null on cache miss
     */
    private function getFactoryFromCacheByObjectClass(string $className): ?array
    {
        if (isset($this->mapClassToFactory[$className])) {
            return $this->mapClassToFactory[$className];
        }

        // Let's try from the cache
        $item = $this->cache->get('globInputTypeMapperByClass_'.str_replace('\\', '_', $className));
        if ($item !== null) {
            [
                'filemtime' => $filemtime,
                'fileName' => $typeFileName,
                'factory' => $factory
            ] = $item;

            if ($filemtime === filemtime($typeFileName)) {
                $this->mapClassToFactory[$className] = $factory;
                return $factory;
            }
        }

        // cache miss
        return null;
    }

    /**
     * @return string[]|null A pointer to the factory [$className, $methodName] or null on cache miss
     */
    private function getFactoryFromCacheByGraphQLInputTypeName(string $graphqlTypeName): ?array
    {
        if (isset($this->mapInputNameToFactory[$graphqlTypeName])) {
            return $this->mapInputNameToFactory[$graphqlTypeName];
        }

        // Let's try from the cache
        $item = $this->cache->get('globInputTypeMapperByName_'.$graphqlTypeName);
        if ($item !== null) {
            [
                'filemtime' => $filemtime,
                'fileName' => $typeFileName,
                'factory' => $factory
            ] = $item;

            if ($filemtime === filemtime($typeFileName)) {
                $this->mapInputNameToFactory[$graphqlTypeName] = $factory;
                return $factory;
            }
        }

        // cache miss
        return null;
    }

    /**
     * Returns true if this type mapper can map the $className FQCN to a GraphQL type.
     *
     * @param string $className
     * @return bool
     */
    public function canMapClassToType(string $className): bool
    {
        $typeClassName = $this->getTypeFromCacheByObjectClass($className);

        if ($typeClassName === null) {
            $this->getMap();
        }

        return isset($this->mapClassToTypeArray[$className]);
    }

    /**
     * Maps a PHP fully qualified class name to a GraphQL type.
     *
     * @param string $className
     * @param RecursiveTypeMapperInterface $recursiveTypeMapper
     * @return ObjectType
     * @throws CannotMapTypeException
     */
    public function mapClassToType(string $className, RecursiveTypeMapperInterface $recursiveTypeMapper): ObjectType
    {
        $typeClassName = $this->getTypeFromCacheByObjectClass($className);

        if ($typeClassName === null) {
            $this->getMap();
        }

        if (!isset($this->mapClassToTypeArray[$className])) {
            throw CannotMapTypeException::createForType($className);
        }
        return $this->typeGenerator->mapAnnotatedObject($this->container->get($this->mapClassToTypeArray[$className]), $recursiveTypeMapper);
    }

    /**
     * Returns the list of classes that have matching input GraphQL types.
     *
     * @return string[]
     */
    public function getSupportedClasses(): array
    {
        return array_keys($this->getMap());
    }

    /**
     * Returns true if this type mapper can map the $className FQCN to a GraphQL input type.
     *
     * @param string $className
     * @return bool
     */
    public function canMapClassToInputType(string $className): bool
    {
        $factory = $this->getFactoryFromCacheByObjectClass($className);

        if ($factory === null) {
            $this->getMap();
        }
        return isset($this->mapClassToFactory[$className]);
    }

    /**
     * Maps a PHP fully qualified class name to a GraphQL input type.
     *
     * @param string $className
     * @param RecursiveTypeMapperInterface $recursiveTypeMapper
     * @return InputObjectType
     * @throws CannotMapTypeException
     */
    public function mapClassToInputType(string $className, RecursiveTypeMapperInterface $recursiveTypeMapper): InputObjectType
    {
        $factory = $this->getFactoryFromCacheByObjectClass($className);

        if ($factory === null) {
            $this->getMap();
        }

        if (!isset($this->mapClassToFactory[$className])) {
            throw CannotMapTypeException::createForInputType($className);
        }
        return $this->inputTypeGenerator->mapFactoryMethod($this->container->get($this->mapClassToFactory[$className][0]), $this->mapClassToFactory[$className][1], $recursiveTypeMapper);
    }

    /**
     * Returns a GraphQL type by name (can be either an input or output type)
     *
     * @param string $typeName The name of the GraphQL type
     * @param RecursiveTypeMapperInterface $recursiveTypeMapper
     * @return \GraphQL\Type\Definition\Type&(InputType|OutputType)
     * @throws CannotMapTypeException
     * @throws \ReflectionException
     */
    public function mapNameToType(string $typeName, RecursiveTypeMapperInterface $recursiveTypeMapper): \GraphQL\Type\Definition\Type
    {
        $typeClassName = $this->getTypeFromCacheByGraphQLTypeName($typeName);
        if ($typeClassName === null) {
            $factory = $this->getFactoryFromCacheByGraphQLInputTypeName($typeName);
            if ($factory === null) {
                $this->getMap();
            }
        }

        if (isset($this->mapNameToType[$typeName])) {
            return $this->typeGenerator->mapAnnotatedObject($this->container->get($this->mapNameToType[$typeName]), $recursiveTypeMapper);
        }
        if (isset($this->mapInputNameToFactory[$typeName])) {
            $factory = $this->mapInputNameToFactory[$typeName];
            return $this->inputTypeGenerator->mapFactoryMethod($this->container->get($factory[0]), $factory[1], $recursiveTypeMapper);
        }

        throw CannotMapTypeException::createForName($typeName);
    }

    /**
     * Returns true if this type mapper can map the $typeName GraphQL name to a GraphQL type.
     *
     * @param string $typeName The name of the GraphQL type
     * @return bool
     */
    public function canMapNameToType(string $typeName): bool
    {
        $typeClassName = $this->getTypeFromCacheByGraphQLTypeName($typeName);

        if ($typeClassName !== null) {
            return true;
        }

        $factory = $this->getFactoryFromCacheByGraphQLInputTypeName($typeName);
        if ($factory !== null) {
            return true;
        }

        $this->getMap();

        return isset($this->mapNameToType[$typeName]) || isset($this->mapInputNameToFactory[$typeName]);
    }
}


1			<?php
2
3
4			namespace TheCodingMachine\GraphQL\Controllers\Mappers;
5
6			use function array_keys;
7			use function filemtime;
8			use GraphQL\Type\Definition\InputObjectType;
9			use GraphQL\Type\Definition\InputType;
10			use GraphQL\Type\Definition\ObjectType;
11			use GraphQL\Type\Definition\OutputType;
12			use Mouf\Composer\ClassNameMapper;
13			use Psr\Container\ContainerInterface;
14			use Psr\SimpleCache\CacheInterface;
15			use ReflectionMethod;
16			use TheCodingMachine\ClassExplorer\Glob\GlobClassExplorer;
17			use TheCodingMachine\GraphQL\Controllers\AnnotationReader;
18			use TheCodingMachine\GraphQL\Controllers\Annotations\Factory;
19			use TheCodingMachine\GraphQL\Controllers\Annotations\Type;
20			use TheCodingMachine\GraphQL\Controllers\InputTypeGenerator;
21			use TheCodingMachine\GraphQL\Controllers\NamingStrategy;
22			use TheCodingMachine\GraphQL\Controllers\TypeGenerator;
23
24			/**
25			* Scans all the classes in a given namespace of the main project (not the vendor directory).
26			* Analyzes all classes and uses the @Type annotation to find the types automatically.
27			*
28			* Assumes that the container contains a class whose identifier is the same as the class name.
29			*/
30			final class GlobTypeMapper implements TypeMapperInterface
31			{
32			/**
33			* @var string
34			*/
35			private $namespace;
36			/**
37			* @var AnnotationReader
38			*/
39			private $annotationReader;
40			/**
41			* @var CacheInterface
42			*/
43			private $cache;
44			/**
45			* @var int\|null
46			*/
47			private $globTtl;
48			/**
49			* @var array<string,string> Maps a domain class to the GraphQL type annotated class
50			*/
51			private $mapClassToTypeArray = [];
52			/**
53			* @var array<string,string> Maps a GraphQL type name to the GraphQL type annotated class
54			*/
55			private $mapNameToType = [];
56			/**
57			* @var array<string,string[]> Maps a domain class to the factory method that creates the input type in the form [classname, methodname]
58			*/
59			private $mapClassToFactory = [];
60			/**
61			* @var array<string,string[]> Maps a GraphQL input type name to the factory method that creates the input type in the form [classname, methodname]
62			*/
63			private $mapInputNameToFactory = [];
64			/**
65			* @var ContainerInterface
66			*/
67			private $container;
68			/**
69			* @var TypeGenerator
70			*/
71			private $typeGenerator;
72			/**
73			* @var int\|null
74			*/
75			private $mapTtl;
76			/**
77			* @var bool
78			*/
79			private $fullMapComputed = false;
80			/**
81			* @var NamingStrategy
82			*/
83			private $namingStrategy;
84			/**
85			* @var InputTypeGenerator
86			*/
87			private $inputTypeGenerator;
88
89			/**
90			* @param string $namespace The namespace that contains the GraphQL types (they must have a `@Type` annotation)
91			*/
92			public function __construct(string $namespace, TypeGenerator $typeGenerator, InputTypeGenerator $inputTypeGenerator, ContainerInterface $container, AnnotationReader $annotationReader, NamingStrategy $namingStrategy, CacheInterface $cache, ?int $globTtl = 2, ?int $mapTtl = null)
93			{
94			$this->namespace = $namespace;
95			$this->typeGenerator = $typeGenerator;
96			$this->container = $container;
97			$this->annotationReader = $annotationReader;
98			$this->namingStrategy = $namingStrategy;
99			$this->cache = $cache;
100			$this->globTtl = $globTtl;
101			$this->mapTtl = $mapTtl;
102			$this->inputTypeGenerator = $inputTypeGenerator;
103			}
104
105			/**
106			* Returns an array of fully qualified class names.
107			*
108			* @return array<string,string>
109			*/
110			private function getMap(): array
111			{
112			if ($this->fullMapComputed === false) {
113			$namespace = str_replace('\\', '_', $this->namespace);
114			$keyClassCache = 'globTypeMapper_'.$namespace;
115			$keyNameCache = 'globTypeMapper_names_'.$namespace;
116			$keyInputClassCache = 'globInputTypeMapper_'.$namespace;
117			$keyInputNameCache = 'globInputTypeMapper_names_'.$namespace;
118			$this->mapClassToTypeArray = $this->cache->get($keyClassCache);
119			$this->mapNameToType = $this->cache->get($keyNameCache);
120			$this->mapClassToFactory = $this->cache->get($keyInputClassCache);
121			$this->mapInputNameToFactory = $this->cache->get($keyInputNameCache);
122			if ($this->mapClassToTypeArray === null \|\| $this->mapNameToType === null \|\| $this->mapClassToFactory === null \|\| $this->mapInputNameToFactory) {
123			$this->buildMap();
124			// This is a very short lived cache. Useful to avoid overloading a server in case of heavy load.
125			// Defaults to 2 seconds.
126			$this->cache->set($keyClassCache, $this->mapClassToTypeArray, $this->globTtl);
127			$this->cache->set($keyNameCache, $this->mapNameToType, $this->globTtl);
128			$this->cache->set($keyInputClassCache, $this->mapClassToFactory, $this->globTtl);
129			$this->cache->set($keyInputNameCache, $this->mapInputNameToFactory, $this->globTtl);
130			}
131			}
132			return $this->mapClassToTypeArray;
133			}
134
135			private function buildMap(): void
136			{
137			$explorer = new GlobClassExplorer($this->namespace, $this->cache, $this->globTtl, ClassNameMapper::createFromComposerFile(null, null, true));
138			$classes = $explorer->getClasses();
139			foreach ($classes as $className) {
140			if (!\class_exists($className)) {
141			continue;
142			}
143			$refClass = new \ReflectionClass($className);
144			if (!$refClass->isInstantiable()) {
145			continue;
146			}
147
148			$type = $this->annotationReader->getTypeAnnotation($refClass);
149
150			if ($type !== null) {
151			if (isset($this->mapClassToTypeArray[$type->getClass()])) {
152			/*if ($this->mapClassToTypeArray[$type->getClass()] === $className) {
153			// Already mapped. Let's continue
154			continue;
155			}*/
156			throw DuplicateMappingException::createForType($type->getClass(), $this->mapClassToTypeArray[$type->getClass()], $className);
157			}
158			$this->storeTypeInCache($className, $type, $refClass->getFileName());
159			}
160
161			foreach ($refClass->getMethods() as $method) {
162			$factory = $this->annotationReader->getFactoryAnnotation($method);
163			if ($factory !== null) {
164			[$inputName, $className] = $this->inputTypeGenerator->getInputTypeNameAndClassName($method);
165
166			if (isset($this->mapClassToFactory[$className])) {
167			throw DuplicateMappingException::createForFactory($className, $this->mapClassToFactory[$className][0], $this->mapClassToFactory[$className][1], $refClass->getName(), $method->name);
168			}
169			$this->storeInputTypeInCache($method, $inputName, $className, $refClass->getFileName());
170			}
171			}
172
173			}
174			$this->fullMapComputed = true;
175			}
176
177			/**
178			* Stores in cache the mapping TypeClass <=> Object class <=> GraphQL type name.
179			*/
180			private function storeTypeInCache(string $typeClassName, Type $type, string $typeFileName): void
181			{
182			$objectClassName = $type->getClass();
183			$this->mapClassToTypeArray[$objectClassName] = $typeClassName;
184			$this->cache->set('globTypeMapperByClass_'.str_replace('\\', '_', $objectClassName), [
185			'filemtime' => filemtime($typeFileName),
186			'fileName' => $typeFileName,
187			'typeClass' => $typeClassName
188			], $this->mapTtl);
189			$typeName = $this->namingStrategy->getOutputTypeName($typeClassName, $type);
190			$this->mapNameToType[$typeName] = $typeClassName;
191			$this->cache->set('globTypeMapperByName_'.$typeName, [
192			'filemtime' => filemtime($typeFileName),
193			'fileName' => $typeFileName,
194			'typeClass' => $typeClassName
195			], $this->mapTtl);
196			}
197
198			/**
199			* Stores in cache the mapping between InputType name <=> Object class
200			*/
201			private function storeInputTypeInCache(ReflectionMethod $refMethod, string $inputName, string $className, string $fileName): void
202			{
203			$refArray = [$refMethod->getDeclaringClass()->getName(), $refMethod->getName()];
204			$this->mapClassToFactory[$className] = $refArray;
205			$this->cache->set('globInputTypeMapperByClass_'.str_replace('\\', '_', $className), [
206			'filemtime' => filemtime($fileName),
207			'fileName' => $fileName,
208			'factory' => $refArray
209			], $this->mapTtl);
210			$this->mapInputNameToFactory[$inputName] = $refArray;
211			$this->cache->set('globInputTypeMapperByName_'.$inputName, [
212			'filemtime' => filemtime($fileName),
213			'fileName' => $fileName,
214			'factory' => $refArray
215			], $this->mapTtl);
216			}
217
218
219			private function getTypeFromCacheByObjectClass(string $className): ?string
220			{
221			if (isset($this->mapClassToTypeArray[$className])) {
222			return $this->mapClassToTypeArray[$className];
223			}
224
225			// Let's try from the cache
226			$item = $this->cache->get('globTypeMapperByClass_'.str_replace('\\', '_', $className));
227			if ($item !== null) {
228			[
229			'filemtime' => $filemtime,
230			'fileName' => $typeFileName,
231			'typeClass' => $typeClassName
232			] = $item;
233
234			if ($filemtime === filemtime($typeFileName)) {
235			$this->mapClassToTypeArray[$className] = $typeClassName;
236			return $typeClassName;
237			}
238			}
239
240			// cache miss
241			return null;
242			}
243
244			private function getTypeFromCacheByGraphQLTypeName(string $graphqlTypeName): ?string
245			{
246			if (isset($this->mapNameToType[$graphqlTypeName])) {
247			return $this->mapNameToType[$graphqlTypeName];
248			}
249
250			// Let's try from the cache
251			$item = $this->cache->get('globTypeMapperByName_'.$graphqlTypeName);
252			if ($item !== null) {
253			[
254			'filemtime' => $filemtime,
255			'fileName' => $typeFileName,
256			'typeClass' => $typeClassName
257			] = $item;
258
259			if ($filemtime === filemtime($typeFileName)) {
260			$this->mapNameToType[$graphqlTypeName] = $typeClassName;
261			return $typeClassName;
262			}
263			}
264
265			// cache miss
266			return null;
267			}
268
269			/**
270			* @return string[]\|null A pointer to the factory [$className, $methodName] or null on cache miss
271			*/
272			private function getFactoryFromCacheByObjectClass(string $className): ?array
273			{
274			if (isset($this->mapClassToFactory[$className])) {
275			return $this->mapClassToFactory[$className];
276			}
277
278			// Let's try from the cache
279			$item = $this->cache->get('globInputTypeMapperByClass_'.str_replace('\\', '_', $className));
280			if ($item !== null) {
281			[
282			'filemtime' => $filemtime,
283			'fileName' => $typeFileName,
284			'factory' => $factory
285			] = $item;
286
287			if ($filemtime === filemtime($typeFileName)) {
288			$this->mapClassToFactory[$className] = $factory;
289			return $factory;
290			}
291			}
292
293			// cache miss
294			return null;
295			}
296
297			/**
298			* @return string[]\|null A pointer to the factory [$className, $methodName] or null on cache miss
299			*/
300			private function getFactoryFromCacheByGraphQLInputTypeName(string $graphqlTypeName): ?array
301			{
302			if (isset($this->mapInputNameToFactory[$graphqlTypeName])) {
303			return $this->mapInputNameToFactory[$graphqlTypeName];
304			}
305
306			// Let's try from the cache
307			$item = $this->cache->get('globInputTypeMapperByName_'.$graphqlTypeName);
308			if ($item !== null) {
309			[
310			'filemtime' => $filemtime,
311			'fileName' => $typeFileName,
312			'factory' => $factory
313			] = $item;
314
315			if ($filemtime === filemtime($typeFileName)) {
316			$this->mapInputNameToFactory[$graphqlTypeName] = $factory;
317			return $factory;
318			}
319			}
320
321			// cache miss
322			return null;
323			}
324
325			/**
326			* Returns true if this type mapper can map the $className FQCN to a GraphQL type.
327			*
328			* @param string $className
329			* @return bool
330			*/
331			public function canMapClassToType(string $className): bool
332			{
333			$typeClassName = $this->getTypeFromCacheByObjectClass($className);
334
335			if ($typeClassName === null) {
336			$this->getMap();
337			}
338
339			return isset($this->mapClassToTypeArray[$className]);
340			}
341
342			/**
343			* Maps a PHP fully qualified class name to a GraphQL type.
344			*
345			* @param string $className
346			* @param RecursiveTypeMapperInterface $recursiveTypeMapper
347			* @return ObjectType
348			* @throws CannotMapTypeException
349			*/
350			public function mapClassToType(string $className, RecursiveTypeMapperInterface $recursiveTypeMapper): ObjectType
351			{
352			$typeClassName = $this->getTypeFromCacheByObjectClass($className);
353
354			if ($typeClassName === null) {
355			$this->getMap();
356			}
357
358			if (!isset($this->mapClassToTypeArray[$className])) {
359			throw CannotMapTypeException::createForType($className);
360			}
361			return $this->typeGenerator->mapAnnotatedObject($this->container->get($this->mapClassToTypeArray[$className]), $recursiveTypeMapper);
362			}
363
364			/**
365			* Returns the list of classes that have matching input GraphQL types.
366			*
367			* @return string[]
368			*/
369			public function getSupportedClasses(): array
370			{
371			return array_keys($this->getMap());
372			}
373
374			/**
375			* Returns true if this type mapper can map the $className FQCN to a GraphQL input type.
376			*
377			* @param string $className
378			* @return bool
379			*/
380			public function canMapClassToInputType(string $className): bool
381			{
382			$factory = $this->getFactoryFromCacheByObjectClass($className);
383
384			if ($factory === null) {
385			$this->getMap();
386			}
387			return isset($this->mapClassToFactory[$className]);
388			}
389
390			/**
391			* Maps a PHP fully qualified class name to a GraphQL input type.
392			*
393			* @param string $className
394			* @param RecursiveTypeMapperInterface $recursiveTypeMapper
395			* @return InputObjectType
396			* @throws CannotMapTypeException
397			*/
398			public function mapClassToInputType(string $className, RecursiveTypeMapperInterface $recursiveTypeMapper): InputObjectType
399			{
400			$factory = $this->getFactoryFromCacheByObjectClass($className);
401
402			if ($factory === null) {
403			$this->getMap();
404			}
405
406			if (!isset($this->mapClassToFactory[$className])) {
407			throw CannotMapTypeException::createForInputType($className);
408			}
409			return $this->inputTypeGenerator->mapFactoryMethod($this->container->get($this->mapClassToFactory[$className][0]), $this->mapClassToFactory[$className][1], $recursiveTypeMapper);
410			}
411
412			/**
413			* Returns a GraphQL type by name (can be either an input or output type)
414			*
415			* @param string $typeName The name of the GraphQL type
416			* @param RecursiveTypeMapperInterface $recursiveTypeMapper
417			* @return \GraphQL\Type\Definition\Type&(InputType\|OutputType)
418			* @throws CannotMapTypeException
419			* @throws \ReflectionException
420			*/
421			public function mapNameToType(string $typeName, RecursiveTypeMapperInterface $recursiveTypeMapper): \GraphQL\Type\Definition\Type
422			{
423			$typeClassName = $this->getTypeFromCacheByGraphQLTypeName($typeName);
424			if ($typeClassName === null) {
425			$factory = $this->getFactoryFromCacheByGraphQLInputTypeName($typeName);
426			if ($factory === null) {
427			$this->getMap();
428			}
429			}
430
431			if (isset($this->mapNameToType[$typeName])) {
432			return $this->typeGenerator->mapAnnotatedObject($this->container->get($this->mapNameToType[$typeName]), $recursiveTypeMapper);
433			}
434			if (isset($this->mapInputNameToFactory[$typeName])) {
435			$factory = $this->mapInputNameToFactory[$typeName];
436			return $this->inputTypeGenerator->mapFactoryMethod($this->container->get($factory[0]), $factory[1], $recursiveTypeMapper);
437			}
438
439			throw CannotMapTypeException::createForName($typeName);
440			}
441
442			/**
443			* Returns true if this type mapper can map the $typeName GraphQL name to a GraphQL type.
444			*
445			* @param string $typeName The name of the GraphQL type
446			* @return bool
447			*/
448			public function canMapNameToType(string $typeName): bool
449			{
450			$typeClassName = $this->getTypeFromCacheByGraphQLTypeName($typeName);
451
452			if ($typeClassName !== null) {
453			return true;
454			}
455
456			$factory = $this->getFactoryFromCacheByGraphQLInputTypeName($typeName);
457			if ($factory !== null) {
458			return true;
459			}
460
461			$this->getMap();
462
463			return isset($this->mapNameToType[$typeName]) \|\| isset($this->mapInputNameToFactory[$typeName]);
464			}
465			}
466

thecodingmachine / graphql-controllers

Pull Request — master (#63)

GlobTypeMapper::getTypeFromCacheByObjectClass() A

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