GoogleTagManagerExtension - Code Metrics - Inspection of "Split output for HEAD & for BODY (fixes #8) (#10)" - xyNNN/GoogleTagManagerBundle - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( acbf0a...123e6e )

by Philipp

created 2017-04-25 20:34 UTC

GoogleTagManagerExtension A

↳ Parent: Project

Complexity

Total Complexity

Size/Duplication

Total Lines	117
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	1

Importance

Changes

Metric	Value
wmc	13
lcom	1
cbo	1
dl	0
loc	117
rs	10
c	0
b	0
f	0

8 Methods

Rating	Name	Size	Complexity
A	__construct()	4	1
A	getFunctions()	18	1
A	render()	4	1
A	renderHead()	4	1
A	renderBody()	4	1
A	getName()	4	1
A	getTemplate()	12	4
A	getRenderedTemplate()	13	3

<?php
/*
 * This file is part of the GoogleTagManagerBundle project
 *
 * (c) Philipp Braeutigam <[email protected]>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Xynnn\GoogleTagManagerBundle\Twig;

use Symfony\Component\Templating\Helper\HelperInterface;
use Twig_Extension;
use Xynnn\GoogleTagManagerBundle\Helper\GoogleTagManagerHelper;
use Xynnn\GoogleTagManagerBundle\Helper\GoogleTagManagerHelperInterface;

/**
 * Class GoogleTagManagerExtension
 *
 * @package Xynnn\GoogleTagManagerBundle\Extension
 */
class GoogleTagManagerExtension extends Twig_Extension
{
    const AREA_FULL = 'full';
    const AREA_HEAD = 'head';
    const AREA_BODY = 'body';

    /**
     * @var GoogleTagManagerHelperInterface
     */
    private $helper;

    /**
     * @param GoogleTagManagerHelperInterface $helper
     */
    public function __construct(GoogleTagManagerHelperInterface $helper)
    {
        $this->helper = $helper;
    }

    /**
     * @return array
     */
    public function getFunctions()
    {
        return array(
            new \Twig_SimpleFunction('google_tag_manager', array($this, 'render'), array(
                'is_safe' => array('html'),
                'needs_environment' => true,
                'deprecated' => true,
            )),
            new \Twig_SimpleFunction('google_tag_manager_body', array($this, 'renderBody'), array(
                'is_safe' => array('html'),
                'needs_environment' => true,
            )),
            new \Twig_SimpleFunction('google_tag_manager_head', array($this, 'renderHead'), array(
                'is_safe' => array('html'),
                'needs_environment' => true,
            )),
        );
    }

    /**
     * @param \Twig_Environment $twig
     *
     * @deprecated Use `renderHead` and `renderBody`
     *
     * @return string
     */
    public function render(\Twig_Environment $twig)
    {
        return $this->getRenderedTemplate($twig, self::AREA_FULL);
    }

    /**
     * @param \Twig_Environment $twig
     *
     * @return string
     */
    public function renderHead(\Twig_Environment $twig)
    {
        return $this->getRenderedTemplate($twig, self::AREA_HEAD);
    }

    /**
     * @param \Twig_Environment $twig
     *
     * @return string
     */
    public function renderBody(\Twig_Environment $twig)
    {
        return $this->getRenderedTemplate($twig, self::AREA_BODY);
    }

    /**
     * @return string
     */
    public function getName()
    {
        return 'google_tag_manager';
    }

    /**
     * @param $area
     * @return string
     */
    private function getTemplate($area)
    {
        switch ($area) {
            case self::AREA_HEAD:
                return 'tagmanager_head';
            case self::AREA_BODY:
                return 'tagmanager_body';
            case self::AREA_FULL:
            default:
                return 'tagmanager';
        }
    }

    /**
     * @param \Twig_Environment $twig
     * @param $area
     * @return string
     */
    private function getRenderedTemplate(\Twig_Environment $twig, $area)
    {
        if (!$this->helper->isEnabled()) {
            return false;
class Author {
    private $name;

    public function __construct($name) {
        $this->name = $name;
    }

    public function getName() {
        return $this->name;
    }
}

abstract class Post {
    public function getAuthor() {
        return 'Johannes';
    }
}

class BlogPost extends Post {
    public function getAuthor() {
        return new Author('Johannes');
    }
}

class ForumPost extends Post { /* ... */ }

function my_function(Post $post) {
    echo strtoupper($post->getAuthor());
}
        }

        return $twig->render(
            'GoogleTagManagerBundle::' . $this->getTemplate($area) . '.html.twig', array(
                'id' => $this->helper->getId(),
                'data' => $this->helper->hasData() ? $this->helper->getData() : null
            )
        );
    }
}


1			<?php
2			/*
3			* This file is part of the GoogleTagManagerBundle project
4			*
5			* (c) Philipp Braeutigam <[email protected]>
6			*
7			* For the full copyright and license information, please view the LICENSE
8			* file that was distributed with this source code.
9			*/
10
11			namespace Xynnn\GoogleTagManagerBundle\Twig;
12
13			use Symfony\Component\Templating\Helper\HelperInterface;
14			use Twig_Extension;
15			use Xynnn\GoogleTagManagerBundle\Helper\GoogleTagManagerHelper;
16			use Xynnn\GoogleTagManagerBundle\Helper\GoogleTagManagerHelperInterface;
17
18			/**
19			* Class GoogleTagManagerExtension
20			*
21			* @package Xynnn\GoogleTagManagerBundle\Extension
22			*/
23			class GoogleTagManagerExtension extends Twig_Extension
24			{
25			const AREA_FULL = 'full';
26			const AREA_HEAD = 'head';
27			const AREA_BODY = 'body';
28
29			/**
30			* @var GoogleTagManagerHelperInterface
31			*/
32			private $helper;
33
34			/**
35			* @param GoogleTagManagerHelperInterface $helper
36			*/
37			public function __construct(GoogleTagManagerHelperInterface $helper)
38			{
39			$this->helper = $helper;
40			}
41
42			/**
43			* @return array
44			*/
45			public function getFunctions()
46			{
47			return array(
48			new \Twig_SimpleFunction('google_tag_manager', array($this, 'render'), array(
49			'is_safe' => array('html'),
50			'needs_environment' => true,
51			'deprecated' => true,
52			)),
53			new \Twig_SimpleFunction('google_tag_manager_body', array($this, 'renderBody'), array(
54			'is_safe' => array('html'),
55			'needs_environment' => true,
56			)),
57			new \Twig_SimpleFunction('google_tag_manager_head', array($this, 'renderHead'), array(
58			'is_safe' => array('html'),
59			'needs_environment' => true,
60			)),
61			);
62			}
63
64			/**
65			* @param \Twig_Environment $twig
66			*
67			* @deprecated Use `renderHead` and `renderBody`
68			*
69			* @return string
70			*/
71			public function render(\Twig_Environment $twig)
72			{
73			return $this->getRenderedTemplate($twig, self::AREA_FULL);
74			}
75
76			/**
77			* @param \Twig_Environment $twig
78			*
79			* @return string
80			*/
81			public function renderHead(\Twig_Environment $twig)
82			{
83			return $this->getRenderedTemplate($twig, self::AREA_HEAD);
84			}
85
86			/**
87			* @param \Twig_Environment $twig
88			*
89			* @return string
90			*/
91			public function renderBody(\Twig_Environment $twig)
92			{
93			return $this->getRenderedTemplate($twig, self::AREA_BODY);
94			}
95
96			/**
97			* @return string
98			*/
99			public function getName()
100			{
101			return 'google_tag_manager';
102			}
103
104			/**
105			* @param $area
106			* @return string
107			*/
108			private function getTemplate($area)
109			{
110			switch ($area) {
111			case self::AREA_HEAD:
112			return 'tagmanager_head';
113			case self::AREA_BODY:
114			return 'tagmanager_body';
115			case self::AREA_FULL:
116			default:
117			return 'tagmanager';
118			}
119			}
120
121			/**
122			* @param \Twig_Environment $twig
123			* @param $area
124			* @return string
125			*/
126			private function getRenderedTemplate(\Twig_Environment $twig, $area)
127			{
128			if (!$this->helper->isEnabled()) {
129			return false;
			0 ignored issues – show Bug Best Practice introduced 2017-04-25 20:35 UTC by Report Bug Copy Issue Report The return type of `return false;` (`false`) is incompatible with the return type documented by `Xynnn\GoogleTagManagerBu...on::getRenderedTemplate` of type `string`. If you return a value from a function or method, it should be a sub-type of the type that is given by the parent type f.e. an interface, or abstract method. This is more formally defined by the Lizkov substitution principle, and guarantees that classes that depend on the parent type can use any instance of a child type interchangably. This principle also belongs to the SOLID principles for object oriented design. Let’s take a look at an example: class Author { private $name; public function __construct($name) { $this->name = $name; } public function getName() { return $this->name; } } abstract class Post { public function getAuthor() { return 'Johannes'; } } class BlogPost extends Post { public function getAuthor() { return new Author('Johannes'); } } class ForumPost extends Post { /* ... */ } function my_function(Post $post) { echo strtoupper($post->getAuthor()); } Our function `my_function` expects a `Post` object, and outputs the author of the post. The base class `Post` returns a simple string and outputting a simple string will work just fine. However, the child class `BlogPost` which is a sub-type of `Post` instead decided to return an `object`, and is therefore violating the SOLID principles. If a `BlogPost` were passed to `my_function`, PHP would not complain, but ultimately fail when executing the `strtoupper` call in its body. Loading history...
130			}
131
132			return $twig->render(
133			'GoogleTagManagerBundle::' . $this->getTemplate($area) . '.html.twig', array(
134			'id' => $this->helper->getId(),
135			'data' => $this->helper->hasData() ? $this->helper->getData() : null
136			)
137			);
138			}
139			}
140

xyNNN / GoogleTagManagerBundle

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Push — master ( acbf0a...123e6e )

GoogleTagManagerExtension A

Complexity

Size/Duplication

Coupling/Cohesion

Importance

8 Methods

Duplication Side-by-Side

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