RouteDispatcher::createController() - 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 2018-09-03 21:08 UTC

RouteDispatcher::createController() A

↳ Parent: RouteDispatcher

Complexity

Conditions	3
Paths	3

Size

Total Lines

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
dl	0
loc	18
rs	9.6666
c	0
b	0
f	0
cc	3
nc	3
nop	2

<?php

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 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, $compiler) {
            if ($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) {
            $contentItem = self::getContentItem($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);
        };
    }

    /**
     * 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);


            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			namespace allejo\stakx\Server;
4
5			use allejo\stakx\Compiler;
6			use allejo\stakx\Document\BasePageView;
7			use allejo\stakx\Document\CollectableItem;
8			use allejo\stakx\Document\DynamicPageView;
9			use allejo\stakx\Document\ReadableDocument;
10			use allejo\stakx\Document\RepeaterPageView;
11			use allejo\stakx\Document\StaticPageView;
12			use allejo\stakx\Document\TemplateReadyDocument;
13			use allejo\stakx\Filesystem\FilesystemLoader as fs;
14			use FastRoute\RouteCollector;
15			use Psr\Http\Message\ServerRequestInterface;
16			use React\Http\Response;
17
18			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...
19			{
20			private static $baseUrl = '';
21			private $lastModified = [];
22
23			/**
24			* @internal
25			*/
26			private function __construct()
27			{
28			}
29
30			/**
31			* Build a controller for handling a Static PageView's URL.
32			*
33			* @param StaticPageView $pageView
34			* @param Compiler $compiler
35			*
36			* @return \Closure
37			*/
38			private function staticPageViewController(StaticPageView $pageView, Compiler $compiler)
39			{
40			return function () use ($pageView, $compiler) {
41			if ($this->hasBeenTouched($pageView)) {
42			$pageView->readContent();
43			}
44
45			$mimeType = MimeDetector::getMimeType(fs::getExtension($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...
46
47			return new Response(
48			200,
49			['Content-Type' => $mimeType],
50			$compiler->renderStaticPageView($pageView)
51			);
52			};
53			}
54
55			/**
56			* Build a controller for handling a Dynamic PageView's URL.
57			*
58			* @param DynamicPageView $pageView
59			* @param Compiler $compiler
60			*
61			* @return \Closure
62			*/
63			private function dynamicPageViewController(DynamicPageView $pageView, Compiler $compiler)
64			{
65			return function (ServerRequestInterface $request) use ($pageView, $compiler) {
66			$contentItem = self::getContentItem($pageView, self::normalizeUrl($request->getUri()->getPath()));
67
68			if ($contentItem === null)
69			{
70			return DevServer::return404();
71			}
72
73			if ($this->hasBeenTouched($pageView))
74			{
75			$pageView->readContent();
76			}
77			if ($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...
78			{
79			$contentItem->readContent();
80			}
81
82			return DevServer::return200($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...
83			};
84			}
85
86			/**
87			* Return the appropriate controller based on a PageView's type.
88			*
89			* @param BasePageView\|DynamicPageView\|RepeaterPageView\|StaticPageView $pageView
90			* @param Compiler $compiler
91			*
92			* @return \Closure
93			*/
94			private function createController(BasePageView $pageView, Compiler $compiler)
95			{
96			switch ($pageView->getType())
97			{
98			case BasePageView::STATIC_TYPE:
99			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...
100
101			case BasePageView::DYNAMIC_TYPE:
102			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...
103
104			default:
105			return function () {
106			$errMsg = 'This URL type has not yet been implemented.';
107
108			return new Response(501, ['Content-Type' => 'text/plain'], $errMsg);
109			};
110			}
111			}
112
113			/**
114			* Check to see if a file has been touched since we last read it.
115			*
116			* @param ReadableDocument $document
117			*
118			* @return bool True if the file has been modified since it was last accessed
119			*/
120			private function hasBeenTouched(ReadableDocument $document)
121			{
122			$rPath = $document->getRelativeFilePath();
123
124			if (!isset($this->lastModified[$rPath]))
125			{
126			$this->lastModified[$rPath] = $document->getLastModified();
127			return true;
128			}
129
130			return ($document->getLastModified() > $this->lastModified[$rPath]);
131			}
132
133			/**
134			* Create a FastRoute Dispatcher.
135			*
136			* @param PageViewRouter $router
137			* @param Compiler $compiler
138			*
139			* @return \FastRoute\Dispatcher
140			*/
141			public static function create(PageViewRouter $router, Compiler $compiler)
142			{
143			self::$baseUrl = $router->getBaseUrl();
144
145			return \FastRoute\simpleDispatcher(function (RouteCollector $r) use ($router, $compiler) {
146			$dispatcher = new RouteDispatcher();
147
148			foreach ($router->getRouteMapping() as $route => $pageView)
149			{
150			$r->get($route, $dispatcher->createController($pageView, $compiler));
151			}
152			});
153			}
154
155			public static function normalizeUrl($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...
156			{
157			return str_replace(self::$baseUrl, '/', $url);
158			}
159
160			/**
161			* Find a ContentItem from a Dynamic PageView or null if it doesn't exist.
162			*
163			* @param DynamicPageView $pageView
164			* @param $permalink
165			*
166			* @return CollectableItem\|ReadableDocument\|TemplateReadyDocument\|null
167			*/
168			private static function getContentItem(DynamicPageView $pageView, $permalink)
169			{
170			foreach ($pageView->getCollectableItems() as $collectableItem)
171			{
172			if ($collectableItem['permalink'] === $permalink)
173			{
174			return $collectableItem;
175			}
176			}
177
178			return null;
179			}
180			}
181

stakx-io / stakx

Pull Request — master (#75)

RouteDispatcher::createController() A

Complexity

Size

Duplication

Importance

Duplication Side-by-Side

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