RouteDispatcher::__construct() - Code Metrics - Inspection of "Add Serve Command" - stakx-io/stakx - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Pull Request — master (#75)

by Vladimir

created 2018-09-18 03:10 UTC

RouteDispatcher::__construct() A

↳ Parent: RouteDispatcher

Complexity

Conditions	1
Paths	1

Size

Total Lines

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
dl	0
loc	3
rs	10
c	0
b	0
f	0
cc	1
nc	1
nop	0

<?php

/**
 * @copyright 2018 Vladimir Jimenez
 * @license   https://github.com/stakx-io/stakx/blob/master/LICENSE.md MIT
 */

namespace allejo\stakx\Server;

use allejo\stakx\Compiler;
use allejo\stakx\Document\BasePageView;
use allejo\stakx\Document\CollectableItem;
use allejo\stakx\Document\DynamicPageView;
use allejo\stakx\Document\ReadableDocument;
use allejo\stakx\Document\RepeaterPageView;
use allejo\stakx\Document\StaticPageView;
use allejo\stakx\Document\TemplateReadyDocument;
use allejo\stakx\Filesystem\FilesystemLoader as fs;
use allejo\stakx\Service;
use FastRoute\RouteCollector;
use Psr\Http\Message\ServerRequestInterface;
use React\Http\Response;

class RouteDispatcher

{
    private static $baseUrl = '';
    private $lastModified = [];

    /**
     * @internal
     */
    private function __construct()
    {
    }

    /**
     * Build a controller for handling a Static PageView's URL.
     *
     * @param StaticPageView $pageView
     * @param Compiler       $compiler
     *
     * @return \Closure
     */
    private function staticPageViewController(StaticPageView $pageView, Compiler $compiler)
    {
        return function () use ($pageView, $compiler) {
            Service::setOption('currentTemplate', $pageView->getAbsoluteFilePath());

            if ($this->hasBeenTouched($pageView))
            {
                $pageView->readContent();
            }

            $mimeType = MimeDetector::getMimeType(fs::getExtension($pageView->getTargetFile()));
function acceptsInteger($int) { }

$x = '123'; // string "123"

// Instead of
acceptsInteger($x);

// we recommend to use
acceptsInteger((integer) $x);

            return new Response(
                200,
                ['Content-Type' => $mimeType],
                $compiler->renderStaticPageView($pageView)
            );
        };
    }

    /**
     * Build a controller for handling a Dynamic PageView's URL.
     *
     * @param DynamicPageView $pageView
     * @param Compiler        $compiler
     *
     * @return \Closure
     */
    private function dynamicPageViewController(DynamicPageView $pageView, Compiler $compiler)
    {
        return function (ServerRequestInterface $request) use ($pageView, $compiler) {
            Service::setOption('currentTemplate', $pageView->getAbsoluteFilePath());

            $contentItem = self::getContentItem($pageView, self::normalizeUrl($request->getUri()->getPath()));

            if ($contentItem === null)
            {
                return DevServer::return404();
            }

            if ($this->hasBeenTouched($pageView))
            {
                $pageView->readContent();
            }
            if ($this->hasBeenTouched($contentItem))
function acceptsInteger($int) { }

$x = '123'; // string "123"

// Instead of
acceptsInteger($x);

// we recommend to use
acceptsInteger((integer) $x);
            {
                $contentItem->readContent();
            }

            return DevServer::return200($compiler->renderDynamicPageView($pageView, $contentItem));
function acceptsInteger($int) { }

$x = '123'; // string "123"

// Instead of
acceptsInteger($x);

// we recommend to use
acceptsInteger((integer) $x);
        };
    }

    /**
     * Build a controller for handling a Repeater PageView's URL.
     *
     * @param RepeaterPageView $pageView
     * @param Compiler         $compiler
     *
     * @return \Closure
     */
    private function repeaterPageViewController(RepeaterPageView $pageView, Compiler $compiler)
    {
        return function (ServerRequestInterface $request) use ($pageView, $compiler) {
            $permalinks = $pageView->getRepeaterPermalinks();
            $url = self::normalizeUrl($request->getUri()->getPath());

            foreach ($permalinks as $permalink)
            {
                if ($permalink->getEvaluated() === $url)
                {
                    return DevServer::return200(
                        $compiler->renderRepeaterPageView($pageView, $permalink)
                    );
                }
            }

            return DevServer::return404();
        };
    }

    /**
     * Return the appropriate controller based on a PageView's type.
     *
     * @param BasePageView|DynamicPageView|RepeaterPageView|StaticPageView $pageView
     * @param Compiler                                                     $compiler
     *
     * @return \Closure
     */
    private function createController(BasePageView $pageView, Compiler $compiler)
    {
        switch ($pageView->getType())
        {
            case BasePageView::STATIC_TYPE:
                return $this->staticPageViewController($pageView, $compiler);


            case BasePageView::DYNAMIC_TYPE:
                return $this->dynamicPageViewController($pageView, $compiler);


            case BasePageView::REPEATER_TYPE:
                return $this->repeaterPageViewController($pageView, $compiler);


            default:
                return function () {
                    $errMsg = 'This URL type has not yet been implemented.';

                    return new Response(501, ['Content-Type' => 'text/plain'], $errMsg);
                };
        }
    }

    /**
     * Check to see if a file has been touched since we last read it.
     *
     * @param ReadableDocument $document
     *
     * @return bool True if the file has been modified since it was last accessed
     */
    private function hasBeenTouched(ReadableDocument $document)
    {
        $rPath = $document->getRelativeFilePath();

        if (!isset($this->lastModified[$rPath]))
        {
            $this->lastModified[$rPath] = $document->getLastModified();

            return true;
        }

        return $document->getLastModified() > $this->lastModified[$rPath];
    }

    /**
     * Create a FastRoute Dispatcher.
     *
     * @param PageViewRouter $router
     * @param Compiler       $compiler
     *
     * @return \FastRoute\Dispatcher
     */
    public static function create(PageViewRouter $router, Compiler $compiler)
    {
        self::$baseUrl = $router->getBaseUrl();

        return \FastRoute\simpleDispatcher(function (RouteCollector $r) use ($router, $compiler) {
            $dispatcher = new RouteDispatcher();

            foreach ($router->getRouteMapping() as $route => $pageView)
            {
                $r->get($route, $dispatcher->createController($pageView, $compiler));
            }
        });
    }

    public static function normalizeUrl($url)

    {
        return str_replace(self::$baseUrl, '/', $url);
    }

    /**
     * Find a ContentItem from a Dynamic PageView or null if it doesn't exist.
     *
     * @param DynamicPageView $pageView
     * @param                 $permalink
     *
     * @return CollectableItem|ReadableDocument|TemplateReadyDocument|null
     */
    private static function getContentItem(DynamicPageView $pageView, $permalink)
    {
        foreach ($pageView->getCollectableItems() as $collectableItem)
        {
            if ($collectableItem['permalink'] === $permalink)
            {
                return $collectableItem;
            }
        }

        return null;
    }
}


1			<?php
2
3			/**
4			* @copyright 2018 Vladimir Jimenez
5			* @license https://github.com/stakx-io/stakx/blob/master/LICENSE.md MIT
6			*/
7
8			namespace allejo\stakx\Server;
9
10			use allejo\stakx\Compiler;
11			use allejo\stakx\Document\BasePageView;
12			use allejo\stakx\Document\CollectableItem;
13			use allejo\stakx\Document\DynamicPageView;
14			use allejo\stakx\Document\ReadableDocument;
15			use allejo\stakx\Document\RepeaterPageView;
16			use allejo\stakx\Document\StaticPageView;
17			use allejo\stakx\Document\TemplateReadyDocument;
18			use allejo\stakx\Filesystem\FilesystemLoader as fs;
19			use allejo\stakx\Service;
20			use FastRoute\RouteCollector;
21			use Psr\Http\Message\ServerRequestInterface;
22			use React\Http\Response;
23
24			class RouteDispatcher
			0 ignored issues – show Coding Style introduced 2018-08-30 06:31 UTC by Report Bug Copy Issue Report Since you have declared the constructor as private, maybe you should also declare the class as final. Loading history...
25			{
26			private static $baseUrl = '';
27			private $lastModified = [];
28
29			/**
30			* @internal
31			*/
32			private function __construct()
33			{
34			}
35
36			/**
37			* Build a controller for handling a Static PageView's URL.
38			*
39			* @param StaticPageView $pageView
40			* @param Compiler $compiler
41			*
42			* @return \Closure
43			*/
44			private function staticPageViewController(StaticPageView $pageView, Compiler $compiler)
45			{
46			return function () use ($pageView, $compiler) {
47			Service::setOption('currentTemplate', $pageView->getAbsoluteFilePath());
48
49			if ($this->hasBeenTouched($pageView))
50			{
51			$pageView->readContent();
52			}
53
54			$mimeType = MimeDetector::getMimeType(fs::getExtension($pageView->getTargetFile()));
			0 ignored issues – show Documentation introduced 2018-08-14 06:31 UTC by Report Bug Copy Issue Report `$pageView->getTargetFile()` is of type `string`, but the function expects a `object<string>`. It seems like the type of the argument is not accepted by the function/method which you are calling. In some cases, in particular if PHP’s automatic type-juggling kicks in this might be fine. In other cases, however this might be a bug. We suggest to add an explicit type cast like in the following example: function acceptsInteger($int) { } $x = '123'; // string "123" // Instead of acceptsInteger($x); // we recommend to use acceptsInteger((integer) $x); Loading history...
55
56			return new Response(
57			200,
58			['Content-Type' => $mimeType],
59			$compiler->renderStaticPageView($pageView)
60			);
61			};
62			}
63
64			/**
65			* Build a controller for handling a Dynamic PageView's URL.
66			*
67			* @param DynamicPageView $pageView
68			* @param Compiler $compiler
69			*
70			* @return \Closure
71			*/
72			private function dynamicPageViewController(DynamicPageView $pageView, Compiler $compiler)
73			{
74			return function (ServerRequestInterface $request) use ($pageView, $compiler) {
75			Service::setOption('currentTemplate', $pageView->getAbsoluteFilePath());
76
77			$contentItem = self::getContentItem($pageView, self::normalizeUrl($request->getUri()->getPath()));
78
79			if ($contentItem === null)
80			{
81			return DevServer::return404();
82			}
83
84			if ($this->hasBeenTouched($pageView))
85			{
86			$pageView->readContent();
87			}
88			if ($this->hasBeenTouched($contentItem))
			0 ignored issues – show Documentation introduced 2018-08-30 06:31 UTC by Report Bug Copy Issue Report `$contentItem` is of type `object<allejo\stakx\Document\CollectableItem>`, but the function expects a `object<allejo\stakx\Document\ReadableDocument>`. It seems like the type of the argument is not accepted by the function/method which you are calling. In some cases, in particular if PHP’s automatic type-juggling kicks in this might be fine. In other cases, however this might be a bug. We suggest to add an explicit type cast like in the following example: function acceptsInteger($int) { } $x = '123'; // string "123" // Instead of acceptsInteger($x); // we recommend to use acceptsInteger((integer) $x); Loading history...
89			{
90			$contentItem->readContent();
91			}
92
93			return DevServer::return200($compiler->renderDynamicPageView($pageView, $contentItem));
			0 ignored issues – show Documentation introduced 2018-08-12 01:13 UTC by Report Bug Copy Issue Report `$contentItem` is of type `object<allejo\stakx\Document\CollectableItem>`, but the function expects a `object<allejo\stakx\Docu...\TemplateReadyDocument>`. It seems like the type of the argument is not accepted by the function/method which you are calling. In some cases, in particular if PHP’s automatic type-juggling kicks in this might be fine. In other cases, however this might be a bug. We suggest to add an explicit type cast like in the following example: function acceptsInteger($int) { } $x = '123'; // string "123" // Instead of acceptsInteger($x); // we recommend to use acceptsInteger((integer) $x); Loading history...
94			};
95			}
96
97			/**
98			* Build a controller for handling a Repeater PageView's URL.
99			*
100			* @param RepeaterPageView $pageView
101			* @param Compiler $compiler
102			*
103			* @return \Closure
104			*/
105			private function repeaterPageViewController(RepeaterPageView $pageView, Compiler $compiler)
106			{
107			return function (ServerRequestInterface $request) use ($pageView, $compiler) {
108			$permalinks = $pageView->getRepeaterPermalinks();
109			$url = self::normalizeUrl($request->getUri()->getPath());
110
111			foreach ($permalinks as $permalink)
112			{
113			if ($permalink->getEvaluated() === $url)
114			{
115			return DevServer::return200(
116			$compiler->renderRepeaterPageView($pageView, $permalink)
117			);
118			}
119			}
120
121			return DevServer::return404();
122			};
123			}
124
125			/**
126			* Return the appropriate controller based on a PageView's type.
127			*
128			* @param BasePageView\|DynamicPageView\|RepeaterPageView\|StaticPageView $pageView
129			* @param Compiler $compiler
130			*
131			* @return \Closure
132			*/
133			private function createController(BasePageView $pageView, Compiler $compiler)
134			{
135			switch ($pageView->getType())
136			{
137			case BasePageView::STATIC_TYPE:
138			return $this->staticPageViewController($pageView, $compiler);
			0 ignored issues – show Compatibility introduced 2018-08-12 01:13 UTC by Report Bug Copy Issue Report `$pageView` of type `object<allejo\stakx\Document\BasePageView>` is not a sub-type of `object<allejo\stakx\Document\StaticPageView>`. It seems like you assume a child class of the class `allejo\stakx\Document\BasePageView` to be always present. This check looks for parameters that are defined as one type in their type hint or doc comment but seem to be used as a narrower type, i.e an implementation of an interface or a subclass. Consider changing the type of the parameter or doing an instanceof check before assuming your parameter is of the expected type. Loading history...
139
140			case BasePageView::DYNAMIC_TYPE:
141			return $this->dynamicPageViewController($pageView, $compiler);
			0 ignored issues – show Compatibility introduced 2018-08-12 01:13 UTC by Report Bug Copy Issue Report `$pageView` of type `object<allejo\stakx\Document\BasePageView>` is not a sub-type of `object<allejo\stakx\Document\DynamicPageView>`. It seems like you assume a child class of the class `allejo\stakx\Document\BasePageView` to be always present. This check looks for parameters that are defined as one type in their type hint or doc comment but seem to be used as a narrower type, i.e an implementation of an interface or a subclass. Consider changing the type of the parameter or doing an instanceof check before assuming your parameter is of the expected type. Loading history...
142
143			case BasePageView::REPEATER_TYPE:
144			return $this->repeaterPageViewController($pageView, $compiler);
			0 ignored issues – show Compatibility introduced 2018-09-14 03:03 UTC by Report Bug Copy Issue Report `$pageView` of type `object<allejo\stakx\Document\BasePageView>` is not a sub-type of `object<allejo\stakx\Document\RepeaterPageView>`. It seems like you assume a child class of the class `allejo\stakx\Document\BasePageView` to be always present. This check looks for parameters that are defined as one type in their type hint or doc comment but seem to be used as a narrower type, i.e an implementation of an interface or a subclass. Consider changing the type of the parameter or doing an instanceof check before assuming your parameter is of the expected type. Loading history...
145
146			default:
147			return function () {
148			$errMsg = 'This URL type has not yet been implemented.';
149
150			return new Response(501, ['Content-Type' => 'text/plain'], $errMsg);
151			};
152			}
153			}
154
155			/**
156			* Check to see if a file has been touched since we last read it.
157			*
158			* @param ReadableDocument $document
159			*
160			* @return bool True if the file has been modified since it was last accessed
161			*/
162			private function hasBeenTouched(ReadableDocument $document)
163			{
164			$rPath = $document->getRelativeFilePath();
165
166			if (!isset($this->lastModified[$rPath]))
167			{
168			$this->lastModified[$rPath] = $document->getLastModified();
169
170			return true;
171			}
172
173			return $document->getLastModified() > $this->lastModified[$rPath];
174			}
175
176			/**
177			* Create a FastRoute Dispatcher.
178			*
179			* @param PageViewRouter $router
180			* @param Compiler $compiler
181			*
182			* @return \FastRoute\Dispatcher
183			*/
184			public static function create(PageViewRouter $router, Compiler $compiler)
185			{
186			self::$baseUrl = $router->getBaseUrl();
187
188			return \FastRoute\simpleDispatcher(function (RouteCollector $r) use ($router, $compiler) {
189			$dispatcher = new RouteDispatcher();
190
191			foreach ($router->getRouteMapping() as $route => $pageView)
192			{
193			$r->get($route, $dispatcher->createController($pageView, $compiler));
194			}
195			});
196			}
197
198			public static function normalizeUrl($url)
			0 ignored issues – show Documentation introduced 2018-09-03 21:10 UTC by Report Bug Copy Issue Report The return type could not be reliably inferred; please add a `@return` annotation. Our type inference engine in quite powerful, but sometimes the code does not provide enough clues to go by. In these cases we request you to add a `@return` annotation as described here. Loading history...
199			{
200			return str_replace(self::$baseUrl, '/', $url);
201			}
202
203			/**
204			* Find a ContentItem from a Dynamic PageView or null if it doesn't exist.
205			*
206			* @param DynamicPageView $pageView
207			* @param $permalink
208			*
209			* @return CollectableItem\|ReadableDocument\|TemplateReadyDocument\|null
210			*/
211			private static function getContentItem(DynamicPageView $pageView, $permalink)
212			{
213			foreach ($pageView->getCollectableItems() as $collectableItem)
214			{
215			if ($collectableItem['permalink'] === $permalink)
216			{
217			return $collectableItem;
218			}
219			}
220
221			return null;
222			}
223			}
224

stakx-io / stakx

Pull Request — master (#75)

RouteDispatcher::__construct() A

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