DependencyResolver::resolveClass() - Code Metrics - Inspection of "Split resolveDependenciesRecursively() into multip..." - gacela-project/gacela - Measure and Improve Code Quality continuously with Scrutinizer

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Push — feat/refactor-dependency-resol... ( b9d356 )

by Jesús

created 2022-04-03 14:52 UTC

DependencyResolver::resolveClass() A

↳ Parent: DependencyResolver

Complexity

Conditions	4
Paths	4

Size

Total Lines	19
Code Lines	10

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	11
CRAP Score	4

Importance

Changes	1
Bugs	0	Features	0

Metric	Value
cc	4
eloc	10
c	1
b	0
f	0
nc	4
nop	1
dl	0
loc	19
ccs	11
cts	11
cp	1
crap	4
rs	9.9332

<?php

declare(strict_types=1);

namespace Gacela\Framework\ClassResolver\DependencyResolver;

use ReflectionClass;
use ReflectionMethod;
use ReflectionNamedType;
use ReflectionParameter;

use function is_callable;
use function is_object;

final class DependencyResolver
{
    /** @var array<class-string,class-string|callable|object> */
    private array $mappingInterfaces;

    /**
     * @param array<class-string,class-string|callable|object> $mappingInterfaces
     */
    public function __construct(array $mappingInterfaces)
    {
        $this->mappingInterfaces = $mappingInterfaces;
    }

    /**
     * @param class-string $resolvedClassName

     *
     * @return list<mixed>
     */
    public function resolveDependencies(string $resolvedClassName): array
    {
        $reflection = new ReflectionClass($resolvedClassName);
        $constructor = $reflection->getConstructor();
        if (!$constructor) {
            return [];

        }

        /** @var list<mixed> $dependencies */
        $dependencies = [];
        foreach ($constructor->getParameters() as $parameter) {
            $paramType = $parameter->getType();
            if ($paramType) {
                /** @psalm-suppress MixedAssignment */
                $dependencies[] = $this->resolveDependenciesRecursively($parameter);
            }
        }

        return $dependencies;

    }

    /**
     * @return mixed
     */
    private function resolveDependenciesRecursively(ReflectionParameter $parameter)
    {
        $this->invalidArgumentParam($parameter);

        /** @var ReflectionNamedType $paramType */
        $paramType = $parameter->getType();

        /** @var class-string $paramTypeName */
        $paramTypeName = $paramType->getName();
        if ($this->isScalar($paramTypeName) && $parameter->isDefaultValueAvailable()) {
            return $parameter->getDefaultValue();
        }

        return $this->resolveClass($paramTypeName);
    }

    private function invalidArgumentParam(ReflectionParameter $parameter): void
    {
        /** @var ReflectionNamedType $paramType */
        $paramType = $parameter->getType();

        $paramTypeName = $paramType->getName();

        if (!$parameter->hasType()) {
            throw DependencyInvalidArgumentException::noParameterTypeFor($parameter->getName());
        }

        if ($this->isScalar($paramTypeName) && !$parameter->isDefaultValueAvailable()) {
            /** @var ReflectionClass $reflectionClass */
            $reflectionClass = $parameter->getDeclaringClass();
            throw DependencyInvalidArgumentException::unableToResolve($paramTypeName, $reflectionClass->getName());
        }
    }

    private function isScalar(string $paramTypeName): bool
    {
        return !class_exists($paramTypeName)
            && !interface_exists($paramTypeName);
    }

    /**
     * @param class-string $paramTypeName

     *
     * @return mixed
     */
    private function resolveClass(string $paramTypeName)
    {
        /** @var mixed $mappedClass */
        $mappedClass = $this->mappingInterfaces[$paramTypeName] ?? null;
        if (is_callable($mappedClass)) {
            return $mappedClass();
        }

        if (is_object($mappedClass)) {
            return $mappedClass;
        }

        $reflection = $this->resolveReflectionClass($paramTypeName);
        $constructor = $reflection->getConstructor();
        if (!$constructor) {
            return $reflection->newInstance();
        }

        return $this->resolveInnerDependencies($constructor, $reflection);
    }

    /**
     * @param class-string $paramTypeName

     */
    private function resolveReflectionClass(string $paramTypeName): ReflectionClass
    {
        $reflection = new ReflectionClass($paramTypeName);

        if ($reflection->isInstantiable()) {
            return $reflection;
        }

        /** @var mixed $concreteClass */
        $concreteClass = $this->mappingInterfaces[$reflection->getName()];

        if ($concreteClass !== null) {
            /** @var class-string $concreteClass */
            return new ReflectionClass($concreteClass);
        }

        throw DependencyNotFoundException::mapNotFoundForClassName($reflection->getName());
    }

    private function resolveInnerDependencies(ReflectionMethod $constructor, ReflectionClass $reflection): object
    {
        /** @var list<mixed> $innerDependencies */
        $innerDependencies = [];

        foreach ($constructor->getParameters() as $constructorParameter) {
            $paramType = $constructorParameter->getType();
            if ($paramType) {
                /** @psalm-suppress MixedAssignment */
                $innerDependencies[] = $this->resolveDependenciesRecursively($constructorParameter);
            }
        }

        return $reflection->newInstanceArgs($innerDependencies);
    }
}


1		<?php
2
3		declare(strict_types=1);
4
5		namespace Gacela\Framework\ClassResolver\DependencyResolver;
6
7		use ReflectionClass;
8		use ReflectionMethod;
9		use ReflectionNamedType;
10		use ReflectionParameter;
11
12		use function is_callable;
13		use function is_object;
14
15		final class DependencyResolver
16		{
17		/** @var array<class-string,class-string\|callable\|object> */
18		private array $mappingInterfaces;
19
20		/**
21		* @param array<class-string,class-string\|callable\|object> $mappingInterfaces
22		*/
23	21	public function __construct(array $mappingInterfaces)
24		{
25	21	$this->mappingInterfaces = $mappingInterfaces;
26		}
27
28		/**
29		* @param class-string $resolvedClassName
		1 ignored issue – show Documentation Bug introduced 2021-08-05 20:32 UTC by Report Bug Copy Issue Report The doc comment `class-string` at position `0` could not be parsed: Unknown type name 'class-string' at position 0 in class-string. Loading history...
30		*
31		* @return list<mixed>
32		*/
33	21	public function resolveDependencies(string $resolvedClassName): array
34		{
35	21	$reflection = new ReflectionClass($resolvedClassName);
36	21	$constructor = $reflection->getConstructor();
37	21	if (!$constructor) {
38	17	return [];
		1 ignored issue – show Bug Best Practice introduced 2021-08-06 09:18 UTC by Report Bug Copy Issue Report The expression `return array()` returns the type `array` which is incompatible with the documented return type `Gacela\Framework\ClassRe...DependencyResolver\list`. Loading history...
39		}
40
41		/** @var list<mixed> $dependencies */
42	4	$dependencies = [];
43	4	foreach ($constructor->getParameters() as $parameter) {
44	4	$paramType = $parameter->getType();
45	4	if ($paramType) {
46		/** @psalm-suppress MixedAssignment */
47	4	$dependencies[] = $this->resolveDependenciesRecursively($parameter);
48		}
49		}
50
51	4	return $dependencies;
		0 ignored issues – show Bug Best Practice introduced 2021-08-06 09:18 UTC by Report Bug Copy Issue Report The expression `return $dependencies` returns the type `Gacela\Framework\ClassRe...DependencyResolver\list` which is incompatible with the type-hinted return `array`. Loading history...
52		}
53
54		/**
55		* @return mixed
56		*/
57	4	private function resolveDependenciesRecursively(ReflectionParameter $parameter)
58		{
59	4	$this->invalidArgumentParam($parameter);
60
61		/** @var ReflectionNamedType $paramType */
62	4	$paramType = $parameter->getType();
63
64		/** @var class-string $paramTypeName */
65	4	$paramTypeName = $paramType->getName();
66	4	if ($this->isScalar($paramTypeName) && $parameter->isDefaultValueAvailable()) {
67		return $parameter->getDefaultValue();
68		}
69
70	4	return $this->resolveClass($paramTypeName);
71		}
72
73	4	private function invalidArgumentParam(ReflectionParameter $parameter): void
74		{
75		/** @var ReflectionNamedType $paramType */
76	4	$paramType = $parameter->getType();
77
78	4	$paramTypeName = $paramType->getName();
79
80	4	if (!$parameter->hasType()) {
81		throw DependencyInvalidArgumentException::noParameterTypeFor($parameter->getName());
82		}
83
84	4	if ($this->isScalar($paramTypeName) && !$parameter->isDefaultValueAvailable()) {
85		/** @var ReflectionClass $reflectionClass */
86		$reflectionClass = $parameter->getDeclaringClass();
87		throw DependencyInvalidArgumentException::unableToResolve($paramTypeName, $reflectionClass->getName());
88		}
89		}
90
91	4	private function isScalar(string $paramTypeName): bool
92		{
93	4	return !class_exists($paramTypeName)
94	4	&& !interface_exists($paramTypeName);
95		}
96
97		/**
98		* @param class-string $paramTypeName
		1 ignored issue – show Documentation Bug introduced 2021-08-10 17:59 UTC by Report Bug Copy Issue Report The doc comment `class-string` at position `0` could not be parsed: Unknown type name 'class-string' at position 0 in class-string. Loading history...
99		*
100		* @return mixed
101		*/
102	4	private function resolveClass(string $paramTypeName)
103		{
104		/** @var mixed $mappedClass */
105	4	$mappedClass = $this->mappingInterfaces[$paramTypeName] ?? null;
106	4	if (is_callable($mappedClass)) {
107	1	return $mappedClass();
108		}
109
110	4	if (is_object($mappedClass)) {
111	3	return $mappedClass;
112		}
113
114	1	$reflection = $this->resolveReflectionClass($paramTypeName);
115	1	$constructor = $reflection->getConstructor();
116	1	if (!$constructor) {
117	1	return $reflection->newInstance();
118		}
119
120	1	return $this->resolveInnerDependencies($constructor, $reflection);
121		}
122
123		/**
124		* @param class-string $paramTypeName
		1 ignored issue – show Documentation Bug introduced 2022-04-03 14:56 UTC by Report Bug Copy Issue Report The doc comment `class-string` at position `0` could not be parsed: Unknown type name 'class-string' at position 0 in class-string. Loading history...
125		*/
126	1	private function resolveReflectionClass(string $paramTypeName): ReflectionClass
127		{
128	1	$reflection = new ReflectionClass($paramTypeName);
129
130	1	if ($reflection->isInstantiable()) {
131	1	return $reflection;
132		}
133
134		/** @var mixed $concreteClass */
135	1	$concreteClass = $this->mappingInterfaces[$reflection->getName()];
136
137	1	if ($concreteClass !== null) {
138		/** @var class-string $concreteClass */
139	1	return new ReflectionClass($concreteClass);
140		}
141
142		throw DependencyNotFoundException::mapNotFoundForClassName($reflection->getName());
143		}
144
145	1	private function resolveInnerDependencies(ReflectionMethod $constructor, ReflectionClass $reflection): object
146		{
147		/** @var list<mixed> $innerDependencies */
148	1	$innerDependencies = [];
149
150	1	foreach ($constructor->getParameters() as $constructorParameter) {
151	1	$paramType = $constructorParameter->getType();
152	1	if ($paramType) {
153		/** @psalm-suppress MixedAssignment */
154	1	$innerDependencies[] = $this->resolveDependenciesRecursively($constructorParameter);
155		}
156		}
157
158	1	return $reflection->newInstanceArgs($innerDependencies);
159		}
160		}
161

gacela-project / gacela

Push — feat/refactor-dependency-resol... ( b9d356 )

DependencyResolver::resolveClass() A

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