DependencyInjection::bind() - Code Metrics - Inspection of "Added Dependency Injection" - byjg/config - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Pull Request — master (#4)

by Joao

created 2020-04-11 03:54 UTC

DependencyInjection::bind() A

↳ Parent: DependencyInjection

Complexity

Conditions	1
Paths	1

Size

Total Lines

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
dl	0
loc	4
rs	10
c	0
b	0
f	0
cc	1
nc	1
nop	1

<?php


namespace ByJG\Config;

use ByJG\Config\Exception\DependencyInjectionException;
use Psr\Container\ContainerInterface;
use ReflectionClass;
use ReflectionException;
use ReflectionMethod;

class DependencyInjection
{
    /**
     * @var ContainerInterface
     */
    protected $containerInterface;

    protected $class;

    protected $args = [];

    protected $instance;

    protected $singleton = false;

    protected $factory = null;

    protected $methodCall = [];

    /**
     * @param $containerInterface ContainerInterface
     * @return DependencyInjection
     */
    public function injectContainer($containerInterface)
    {
        $this->containerInterface = $containerInterface;
        return $this;
    }

    /**
     * @return mixed
     */
    protected function getClass()
    {
        return $this->class;
    }

    /**
     * @param mixed $class
     * @throws DependencyInjectionException
     */
    protected function setClass($class)
    {
        if (!class_exists($class)) {
            throw new DependencyInjectionException("Class $class does not exists");
        }
        $this->class = $class;
    }

    /**
     * @return mixed
     */
    protected function getArgs()
    {
        return array_map(function ($value) {
            if ($value instanceof Param) {
                return $this->containerInterface->get($value->getParam());
            }
            return $value;
        }, $this->args);
    }

    /**
     * @param mixed $args
     * @return DependencyInjection
     * @throws DependencyInjectionException
     */
    public function withConstructorArgs($args)

    {
        if (!is_null($args) && !is_array($args)) {
            throw new DependencyInjectionException("Arguments should be an array");
        }
        $this->args = $args;
function aContainsB(array $needle = null, array  $haystack) {
    if (!$needle) {
        return false;
    }

    return array_intersect($haystack, $needle) == $haystack;
}

        return $this;
    }

    /**
     * @param mixed $args
     * @return DependencyInjection
     * @throws DependencyInjectionException
     */
    public function withFactoryMethod($method, $args = [])

    {
        if (!is_null($args) && !is_array($args)) {
            throw new DependencyInjectionException("Arguments should be an array");
        }
        $this->args = $args;
function aContainsB(array $needle = null, array  $haystack) {
    if (!$needle) {
        return false;
    }

    return array_intersect($haystack, $needle) == $haystack;
}

        $this->factory = $method;

        return $this;
    }

    /**
     * DependencyInjection constructor.
     * @param $class
     * @throws DependencyInjectionException
     */
    protected function __construct($class)
    {
        $this->setClass($class);
    }

    /**
     * @param $class
     * @return DependencyInjection
     * @throws DependencyInjectionException
     */
    public static function bind($class)
    {
        return new DependencyInjection($class);
    }

    /**
     * @return DependencyInjection
     * @throws DependencyInjectionException
     * @throws ReflectionException
     */
    public function withInjectedConstructor()
    {
        $reflection = new ReflectionMethod($this->getClass(), "__construct");

        $docComments = str_replace("\n", " ", $reflection->getDocComment());

        $params = [];
        $result = preg_match_all('/@param\s+([\d\w_\\\\]+)\s+\$[\w_\d]+/', $docComments, $params);

        if ($result) {
            $args = [];
            foreach ($params[1] as $param) {
                $args[] = Param::get(ltrim($param, "\\"));
            }
            return $this->withConstructorArgs($args);
        }

        return $this->withNoConstructor();
    }

    /**
     * @return DependencyInjection
     */
    public function withNoConstructor()
    {
        $this->args = null;

        return $this;
    }

    public function withMethodCall($method, $args = [])
    {
        $this->methodCall[$method] = $args;
        return $this;
    }

    /**
     * @return DependencyInjection
     */
    public function toSingleton()
    {
        $this->singleton = true;
        return $this;
    }

    /**
     * @return DependencyInjection
     */
    public function toInstance()
    {
        $this->singleton = false;
        return $this;
    }

    /**
     * @return object
     * @throws DependencyInjectionException
     * @throws ReflectionException
     */
    public function getInstance()
    {
        $instance = $this->getInternalInstance();

        if (is_null($instance)) {
            throw new DependencyInjectionException("Could not get a instance of " . $this->getClass());
        }

        return $instance;
    }

    /**
     * @return object
     * @throws ReflectionException
     */
    protected function getInternalInstance()
    {
        if ($this->singleton) {
            return $this->getSingletonInstace();
        }

        return $this->getNewInstance();
    }

    /**
     * @return object
     * @throws ReflectionException
     */
    protected function getNewInstance()
    {
        if (!empty($this->factory)) {
            return $this->callMethods(call_user_func_array([$this->getClass(), $this->factory], $this->getArgs()));
        }

        $reflectionClass = new ReflectionClass($this->getClass());

        if (is_null($this->args)) {
            return $this->callMethods($reflectionClass->newInstanceWithoutConstructor());
        }

        return $this->callMethods($reflectionClass->newInstanceArgs($this->getArgs()));
    }

    /**
     * @param $instance
     * @return mixed
     */
    protected function callMethods($instance)
    {
        foreach ($this->methodCall as $methodName => $args) {
            if (is_null($args)) {
                call_user_func([$instance, $methodName]);
            } else {
                call_user_func_array([$instance, $methodName], $args);
            }
        }

        return $instance;
    }

    /**
     * @return object
     * @throws ReflectionException
     */
    protected function getSingletonInstace()
    {
        if (empty($this->instance)) {
            $this->instance = $this->getNewInstance();
        }
        return $this->instance;
    }
}


1		<?php
2
3
4		namespace ByJG\Config;
5
6		use ByJG\Config\Exception\DependencyInjectionException;
7		use Psr\Container\ContainerInterface;
8		use ReflectionClass;
9		use ReflectionException;
10		use ReflectionMethod;
11
12		class DependencyInjection
13		{
14		/**
15		* @var ContainerInterface
16		*/
17		protected $containerInterface;
18
19		protected $class;
20
21		protected $args = [];
22
23		protected $instance;
24
25		protected $singleton = false;
26
27		protected $factory = null;
28
29		protected $methodCall = [];
30
31		/**
32		* @param $containerInterface ContainerInterface
33		* @return DependencyInjection
34		*/
35		public function injectContainer($containerInterface)
36		{
37		$this->containerInterface = $containerInterface;
38		return $this;
39		}
40
41		/**
42		* @return mixed
43		*/
44		protected function getClass()
45		{
46		return $this->class;
47		}
48
49		/**
50		* @param mixed $class
51		* @throws DependencyInjectionException
52		*/
53		protected function setClass($class)
54		{
55		if (!class_exists($class)) {
56		throw new DependencyInjectionException("Class $class does not exists");
57		}
58		$this->class = $class;
59		}
60
61		/**
62		* @return mixed
63		*/
64		protected function getArgs()
65		{
66		return array_map(function ($value) {
67		if ($value instanceof Param) {
68		return $this->containerInterface->get($value->getParam());
69		}
70		return $value;
71		}, $this->args);
72		}
73
74		/**
75		* @param mixed $args
76		* @return DependencyInjection
77		* @throws DependencyInjectionException
78		*/
79	View Code Duplication	public function withConstructorArgs($args)
		0 ignored issues – show Duplication introduced 2020-04-11 03:55 UTC by Report Bug Copy Issue Report This method seems to be duplicated in your project. Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation. You can also find more detailed suggestions in the “Code” section of your repository. Loading history...
80		{
81		if (!is_null($args) && !is_array($args)) {
82		throw new DependencyInjectionException("Arguments should be an array");
83		}
84		$this->args = $args;
		0 ignored issues – show Documentation Bug introduced 2020-04-11 01:27 UTC by Report Bug Copy Issue Report It seems like `$args` can be `null`. However, the property `$args` is declared as `array`. Maybe change the type of the property to `array\|null` or add a type check? Our type inference engine has found an assignment of a scalar value (like a string, an integer or null) to a property which is an array. Either this assignment is in error or the assigned type should be added to the documentation/type hint for that property. To type hint that a parameter can be either an array or null, you can set a type hint of array and a default value of null. The PHP interpreter will then accept both an array or null for that parameter. function aContainsB(array $needle = null, array $haystack) { if (!$needle) { return false; } return array_intersect($haystack, $needle) == $haystack; } The function can be called with either null or an array for the parameter `$needle` but will only accept an array as `$haystack`. Loading history...
85
86		return $this;
87		}
88
89		/**
90		* @param mixed $args
91		* @return DependencyInjection
92		* @throws DependencyInjectionException
93		*/
94	View Code Duplication	public function withFactoryMethod($method, $args = [])
		0 ignored issues – show Duplication introduced 2020-04-11 03:55 UTC by Report Bug Copy Issue Report This method seems to be duplicated in your project. Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation. You can also find more detailed suggestions in the “Code” section of your repository. Loading history...
95		{
96		if (!is_null($args) && !is_array($args)) {
97		throw new DependencyInjectionException("Arguments should be an array");
98		}
99		$this->args = $args;
		0 ignored issues – show Documentation Bug introduced 2020-04-11 03:55 UTC by Report Bug Copy Issue Report It seems like `$args` can be `null`. However, the property `$args` is declared as `array`. Maybe change the type of the property to `array\|null` or add a type check? Our type inference engine has found an assignment of a scalar value (like a string, an integer or null) to a property which is an array. Either this assignment is in error or the assigned type should be added to the documentation/type hint for that property. To type hint that a parameter can be either an array or null, you can set a type hint of array and a default value of null. The PHP interpreter will then accept both an array or null for that parameter. function aContainsB(array $needle = null, array $haystack) { if (!$needle) { return false; } return array_intersect($haystack, $needle) == $haystack; } The function can be called with either null or an array for the parameter `$needle` but will only accept an array as `$haystack`. Loading history...
100
101		$this->factory = $method;
102
103		return $this;
104		}
105
106		/**
107		* DependencyInjection constructor.
108		* @param $class
109		* @throws DependencyInjectionException
110		*/
111		protected function __construct($class)
112		{
113		$this->setClass($class);
114		}
115
116		/**
117		* @param $class
118		* @return DependencyInjection
119		* @throws DependencyInjectionException
120		*/
121		public static function bind($class)
122		{
123		return new DependencyInjection($class);
124		}
125
126		/**
127		* @return DependencyInjection
128		* @throws DependencyInjectionException
129		* @throws ReflectionException
130		*/
131		public function withInjectedConstructor()
132		{
133		$reflection = new ReflectionMethod($this->getClass(), "__construct");
134
135		$docComments = str_replace("\n", " ", $reflection->getDocComment());
136
137		$params = [];
138		$result = preg_match_all('/@param\s+([\d\w_\\\\]+)\s+\$[\w_\d]+/', $docComments, $params);
139
140		if ($result) {
141		$args = [];
142		foreach ($params[1] as $param) {
143		$args[] = Param::get(ltrim($param, "\\"));
144		}
145		return $this->withConstructorArgs($args);
146		}
147
148		return $this->withNoConstructor();
149		}
150
151		/**
152		* @return DependencyInjection
153		*/
154		public function withNoConstructor()
155		{
156		$this->args = null;
		0 ignored issues – show Documentation Bug introduced 2020-04-11 01:27 UTC by Report Bug Copy Issue Report It seems like `null` of type `null` is incompatible with the declared type `array` of property `$args`. Our type inference engine has found an assignment to a property that is incompatible with the declared type of that property. Either this assignment is in error or the assigned type should be added to the documentation/type hint for that property.. Loading history...
157		return $this;
158		}
159
160		public function withMethodCall($method, $args = [])
161		{
162		$this->methodCall[$method] = $args;
163		return $this;
164		}
165
166		/**
167		* @return DependencyInjection
168		*/
169		public function toSingleton()
170		{
171		$this->singleton = true;
172		return $this;
173		}
174
175		/**
176		* @return DependencyInjection
177		*/
178		public function toInstance()
179		{
180		$this->singleton = false;
181		return $this;
182		}
183
184		/**
185		* @return object
186		* @throws DependencyInjectionException
187		* @throws ReflectionException
188		*/
189		public function getInstance()
190		{
191		$instance = $this->getInternalInstance();
192
193		if (is_null($instance)) {
194		throw new DependencyInjectionException("Could not get a instance of " . $this->getClass());
195		}
196
197		return $instance;
198		}
199
200		/**
201		* @return object
202		* @throws ReflectionException
203		*/
204		protected function getInternalInstance()
205		{
206		if ($this->singleton) {
207		return $this->getSingletonInstace();
208		}
209
210		return $this->getNewInstance();
211		}
212
213		/**
214		* @return object
215		* @throws ReflectionException
216		*/
217		protected function getNewInstance()
218		{
219		if (!empty($this->factory)) {
220		return $this->callMethods(call_user_func_array([$this->getClass(), $this->factory], $this->getArgs()));
221		}
222
223		$reflectionClass = new ReflectionClass($this->getClass());
224
225		if (is_null($this->args)) {
226		return $this->callMethods($reflectionClass->newInstanceWithoutConstructor());
227		}
228
229		return $this->callMethods($reflectionClass->newInstanceArgs($this->getArgs()));
230		}
231
232		/**
233		* @param $instance
234		* @return mixed
235		*/
236		protected function callMethods($instance)
237		{
238		foreach ($this->methodCall as $methodName => $args) {
239		if (is_null($args)) {
240		call_user_func([$instance, $methodName]);
241		} else {
242		call_user_func_array([$instance, $methodName], $args);
243		}
244		}
245
246		return $instance;
247		}
248
249		/**
250		* @return object
251		* @throws ReflectionException
252		*/
253		protected function getSingletonInstace()
254		{
255		if (empty($this->instance)) {
256		$this->instance = $this->getNewInstance();
257		}
258		return $this->instance;
259		}
260		}
261

byjg / config

Pull Request — master (#4)

DependencyInjection::bind() A

Complexity

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Duplication

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