RouterBase::getMiddlewareResult() - Code Metrics - Inspection of "feature/Total refactoring, middleware processing w..." - alexdodonov/mezon-router - Measure and Improve Code Quality continuously with Scrutinizer

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Push — master ( 99f62c...22c5d8 )

by Alex

created 2022-06-24 10:14 UTC

RouterBase::getMiddlewareResult() B

↳ Parent: RouterBase

Complexity

Conditions	8
Paths	20

Size

Total Lines	38
Code Lines	20

Duplication

Lines	0
Ratio	0 %

Importance

Changes	1
Bugs	0	Features	0

Metric	Value
eloc	20
c	1
b	0
f	0
dl	0
loc	38
rs	8.4444
cc	8
nc	20
nop	1

<?php
declare(strict_types = 1);
namespace Mezon\Router;

/**
 * Class RouterBase
 *
 * @package Router
 * @author Dodonov A.A.
 * @version v.1.0 (2022/06/22)
 * @copyright Copyright (c) 2022, http://aeon.su
 */

/**
 * Base router class
 */
abstract class RouterBase implements RouterInterface
{

    use RouteTypes, InvalidRouteErrorHandler, StaticRoutes;

    /**
     * Called route
     *
     * @var string
     */
    private $calledRoute = '';

    /**
     * Constructor
     */
    public function __construct()
    {
        $_SERVER['REQUEST_METHOD'] = $this->getRequestMethod();

        $this->initDefaultTypes();
    }

    /**
     * Method fetches actions from the objects and creates GetRoutes for them
     *
     * @param object $object
     *            object to be processed
     * @param array $map
     *            map
     */
    public function fetchActions(object $object, array $map = []): void
    {
        $methods = get_class_methods($object);

        foreach ($methods as $method) {
            if (strpos($method, 'action') === 0) {
                $route = Utils::convertMethodNameToRoute($method);

                $key = str_replace('action', '', $method);
                /** @var string[] $requestMethods */
                $requestMethods = array_key_exists($key, $map) ? $map[$key] : [
                    'GET',
                    'POST'
                ];

                $this->addRoute($route, [
                    $object,
                    $method
                ], $requestMethods);
            }
        }
    }

    /**
     *
     * {@inheritdoc}
     * @see RouterInterface::callRoute()
     * @psalm-suppress MixedAssignment
     */
    public function callRoute($route)
    {
        $route = Utils::prepareRoute($route);
        $requestMethod = $this->getRequestMethod();
        SupportedRequestMethods::validateRequestMethod($requestMethod);

        if (($processor = $this->getStaticRouteProcessor($route)) === false) {
            if (($processor = $this->getDynamicRouteProcessor($route)) === false) {
                $processor = $this->getUniversalRouteProcessor();
            }
        }

        if ($processor === false) {
            call_user_func($this->getNoProcessorErrorHandler(), $route);
        } else {
            return $this->executeHandler($processor, $route);
        }
    }

    /**
     * Method returns call back by it's router
     *
     * @param string[]|string $route
     *            route
     * @return array{0: string, 1: string}|callable|false|string route callback
     * @psalm-suppress MixedReturnStatement
     */
    public function getCallback($route)
    {
        $route = Utils::prepareRoute($route);

        if (($result = $this->getStaticRouteProcessor($route)) !== false) {
            return $result;
        }

        if (($result = $this->getDynamicRouteProcessor($route)) !== false) {
            return $result;
        }

        if (($result = $this->getUniversalRouteProcessor()) !== false) {
            return $result;
        }

        call_user_func($this->getNoProcessorErrorHandler(), $route); // @codeCoverageIgnoreStart
        return false;
    }

    // @codeCoverageIgnoreEnd

    /**
     * Method returns request method
     *
     * @return string request method
     */
    protected function getRequestMethod(): string
    {
        return isset($_SERVER['REQUEST_METHOD']) ? (string) $_SERVER['REQUEST_METHOD'] : 'GET';
    }

    /**
     * Method searches dynamic route processor
     *
     * @param string $route
     *            route
     * @param string $requestMethod
     *            request method
     * @return array{0: string, 1:string}|callable|string|false route's handler or false in case the handler was not found
     */
    protected abstract function getDynamicRouteProcessor(string $route, string $requestMethod = '');

    /**
     * Method executes route handler
     *
     * @param
     *            callable|string|array{0: string, 1: string} $processor processor
     * @psalm-param callable|string|array{0: string, 1: string} $processor
     * @param string $route
     *            route
     * @return mixed route handler execution result
     */
    protected abstract function executeHandler($processor, string $route);

    /**
     * Middleware for routes processing
     *
     * @var array<string, callable[]>
     */
    protected $middleware = [];

    /**
     * Method clears middleware
     */
    protected function clearMiddleware(): void
    {
        $this->middleware = [];
    }

    /**
     * Method registeres middleware for the router
     *
     * @param callable $middleware
     *            middleware
     */
    public function registerMiddleware(string $router, callable $middleware): void
    {
        $routerTrimmed = trim($router, '/');

        if (! isset($this->middleware[$routerTrimmed])) {
            $this->middleware[$routerTrimmed] = [];
        }

        $this->middleware[$routerTrimmed][] = $middleware;
    }

    /**
     * Method returns middleware processing result
     *
     * @param string $route
     *            processed route
     * @return array middleware result
     */
    protected function getMiddlewareResult(string $route): array
    {
        $middleWares = [];

        if (isset($this->middleware['*'])) {
            $middleWares = $this->middleware['*'];
        }

        if ($this->getCalledRoute() !== '*' && isset($this->middleware[$this->getCalledRoute()])) {
            $middleWares = array_merge($middleWares, $this->middleware[$this->getCalledRoute()]);
        }

        if (empty($middleWares)) {
            return [
                $route,
                $this->getParameters()
            ];
        }

        $this->setParameters(array_merge([
            $route
        ], $this->getParameters()));

        /** @var callable $middleWare */
        foreach ($middleWares as $middleWare) {
            /** @var array|null|mixed $result */
            $result = call_user_func_array($middleWare, $this->getParameters());

            if (is_array($result)) {
                $this->setParameters($result);
            } elseif ($result !== null) {
                $this->setParameters([
                    $result
                ]);
            }
        }

        return $this->getParameters();
    }

    /**
     * Method sets $calledRoute
     *
     * @param string $calledRoute
     *            called router
     */
    protected function setCalledRoute(string $calledRoute): void
    {
        $this->calledRoute = $calledRoute;
    }

    /**
     * Method returns called route
     *
     * @return string called route
     */
    public function getCalledRoute(): string
    {
        return $this->calledRoute;
    }

    /**
     * Method sets parameters
     *
     * @param mixed[] $parameters
     *            parameters
     */
    protected abstract function setParameters(array $parameters): void;

    /**
     * Method returns parameters
     *
     * @return mixed[]
     */
    protected abstract function getParameters(): array;
}


1			<?php
2			declare(strict_types = 1);
3			namespace Mezon\Router;
4
5			/**
6			* Class RouterBase
7			*
8			* @package Router
9			* @author Dodonov A.A.
10			* @version v.1.0 (2022/06/22)
11			* @copyright Copyright (c) 2022, http://aeon.su
12			*/
13
14			/**
15			* Base router class
16			*/
17			abstract class RouterBase implements RouterInterface
18			{
19
20			use RouteTypes, InvalidRouteErrorHandler, StaticRoutes;
21
22			/**
23			* Called route
24			*
25			* @var string
26			*/
27			private $calledRoute = '';
28
29			/**
30			* Constructor
31			*/
32			public function __construct()
33			{
34			$_SERVER['REQUEST_METHOD'] = $this->getRequestMethod();
35
36			$this->initDefaultTypes();
37			}
38
39			/**
40			* Method fetches actions from the objects and creates GetRoutes for them
41			*
42			* @param object $object
43			* object to be processed
44			* @param array $map
45			* map
46			*/
47			public function fetchActions(object $object, array $map = []): void
48			{
49			$methods = get_class_methods($object);
50
51			foreach ($methods as $method) {
52			if (strpos($method, 'action') === 0) {
53			$route = Utils::convertMethodNameToRoute($method);
54
55			$key = str_replace('action', '', $method);
56			/** @var string[] $requestMethods */
57			$requestMethods = array_key_exists($key, $map) ? $map[$key] : [
58			'GET',
59			'POST'
60			];
61
62			$this->addRoute($route, [
63			$object,
64			$method
65			], $requestMethods);
66			}
67			}
68			}
69
70			/**
71			*
72			* {@inheritdoc}
73			* @see RouterInterface::callRoute()
74			* @psalm-suppress MixedAssignment
75			*/
76			public function callRoute($route)
77			{
78			$route = Utils::prepareRoute($route);
79			$requestMethod = $this->getRequestMethod();
80			SupportedRequestMethods::validateRequestMethod($requestMethod);
81
82			if (($processor = $this->getStaticRouteProcessor($route)) === false) {
83			if (($processor = $this->getDynamicRouteProcessor($route)) === false) {
84			$processor = $this->getUniversalRouteProcessor();
85			}
86			}
87
88			if ($processor === false) {
89			call_user_func($this->getNoProcessorErrorHandler(), $route);
90			} else {
91			return $this->executeHandler($processor, $route);
92			}
93			}
94
95			/**
96			* Method returns call back by it's router
97			*
98			* @param string[]\|string $route
99			* route
100			* @return array{0: string, 1: string}\|callable\|false\|string route callback
101			* @psalm-suppress MixedReturnStatement
102			*/
103			public function getCallback($route)
104			{
105			$route = Utils::prepareRoute($route);
106
107			if (($result = $this->getStaticRouteProcessor($route)) !== false) {
108			return $result;
109			}
110
111			if (($result = $this->getDynamicRouteProcessor($route)) !== false) {
112			return $result;
113			}
114
115			if (($result = $this->getUniversalRouteProcessor()) !== false) {
116			return $result;
117			}
118
119			call_user_func($this->getNoProcessorErrorHandler(), $route); // @codeCoverageIgnoreStart
120			return false;
121			}
122
123			// @codeCoverageIgnoreEnd
124
125			/**
126			* Method returns request method
127			*
128			* @return string request method
129			*/
130			protected function getRequestMethod(): string
131			{
132			return isset($_SERVER['REQUEST_METHOD']) ? (string) $_SERVER['REQUEST_METHOD'] : 'GET';
133			}
134
135			/**
136			* Method searches dynamic route processor
137			*
138			* @param string $route
139			* route
140			* @param string $requestMethod
141			* request method
142			* @return array{0: string, 1:string}\|callable\|string\|false route's handler or false in case the handler was not found
143			*/
144			protected abstract function getDynamicRouteProcessor(string $route, string $requestMethod = '');
145
146			/**
147			* Method executes route handler
148			*
149			* @param
150			* callable\|string\|array{0: string, 1: string} $processor processor
151			* @psalm-param callable\|string\|array{0: string, 1: string} $processor
152			* @param string $route
153			* route
154			* @return mixed route handler execution result
155			*/
156			protected abstract function executeHandler($processor, string $route);
157
158			/**
159			* Middleware for routes processing
160			*
161			* @var array<string, callable[]>
162			*/
163			protected $middleware = [];
164
165			/**
166			* Method clears middleware
167			*/
168			protected function clearMiddleware(): void
169			{
170			$this->middleware = [];
171			}
172
173			/**
174			* Method registeres middleware for the router
175			*
176			* @param callable $middleware
177			* middleware
178			*/
179			public function registerMiddleware(string $router, callable $middleware): void
180			{
181			$routerTrimmed = trim($router, '/');
182
183			if (! isset($this->middleware[$routerTrimmed])) {
184			$this->middleware[$routerTrimmed] = [];
185			}
186
187			$this->middleware[$routerTrimmed][] = $middleware;
188			}
189
190			/**
191			* Method returns middleware processing result
192			*
193			* @param string $route
194			* processed route
195			* @return array middleware result
196			*/
197			protected function getMiddlewareResult(string $route): array
198			{
199			$middleWares = [];
200
201			if (isset($this->middleware['*'])) {
202			$middleWares = $this->middleware['*'];
203			}
204
205			if ($this->getCalledRoute() !== '*' && isset($this->middleware[$this->getCalledRoute()])) {
206			$middleWares = array_merge($middleWares, $this->middleware[$this->getCalledRoute()]);
207			}
208
209			if (empty($middleWares)) {
210			return [
211			$route,
212			$this->getParameters()
213			];
214			}
215
216			$this->setParameters(array_merge([
217			$route
218			], $this->getParameters()));
219
220			/** @var callable $middleWare */
221			foreach ($middleWares as $middleWare) {
222			/** @var array\|null\|mixed $result */
223			$result = call_user_func_array($middleWare, $this->getParameters());
224
225			if (is_array($result)) {
226			$this->setParameters($result);
227			} elseif ($result !== null) {
228			$this->setParameters([
229			$result
230			]);
231			}
232			}
233
234			return $this->getParameters();
235			}
236
237			/**
238			* Method sets $calledRoute
239			*
240			* @param string $calledRoute
241			* called router
242			*/
243			protected function setCalledRoute(string $calledRoute): void
244			{
245			$this->calledRoute = $calledRoute;
246			}
247
248			/**
249			* Method returns called route
250			*
251			* @return string called route
252			*/
253			public function getCalledRoute(): string
254			{
255			return $this->calledRoute;
256			}
257
258			/**
259			* Method sets parameters
260			*
261			* @param mixed[] $parameters
262			* parameters
263			*/
264			protected abstract function setParameters(array $parameters): void;
265
266			/**
267			* Method returns parameters
268			*
269			* @return mixed[]
270			*/
271			protected abstract function getParameters(): array;
272			}
273

alexdodonov / mezon-router

Push — master ( 99f62c...22c5d8 )

RouterBase::getMiddlewareResult() B

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