Sonata\SeoBundle\Twig\Extension\SeoExtension

Complexity

Total Complexity

29

Size/Duplication

Total Lines	232
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	3

Importance

Changes	9
Bugs	2	Features	3

18 Methods

Rating	Name	Duplication	Size	Complexity
A	__construct()	0	5	1
A	getFunctions()	0	13	1
A	getName()	0	4	1
A	renderTitle()	0	4	1
A	getTitle()	0	4	1
A	renderMetadatas()	0	4	1
B	getMetadatas()	0	24	4
A	renderHtmlAttributes()	0	4	1
A	getHtmlAttributes()	0	9	2
A	renderHeadAttributes()	0	4	1
A	getHeadAttributes()	0	9	2
A	renderLinkCanonical()	0	4	1
A	getLinkCanonical()	0	6	2
B	getLinks()	0	23	4
A	renderLangAlternates()	0	4	1
A	getLangAlternates()	0	9	2
A	getOembedLinks()	0	9	2
A	normalize()	0	4	1

<?php

/*
 * This file is part of sonata-project.
 *
 * (c) 2010 Thomas Rabaix
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Sonata\SeoBundle\Twig\Extension;

use Sonata\SeoBundle\Seo\SeoPageInterface;

class SeoExtension extends \Twig_Extension
{
    /**
     * @var SeoPageInterface
     */
    protected $page;

    /**
     * @var string
     */
    protected $encoding;

    /**
     * @param SeoPageInterface $page
     * @param string           $encoding
     */
    public function __construct(SeoPageInterface $page, $encoding)
    {
        $this->page = $page;
        $this->encoding = $encoding;
    }

    /**
     * {@inheritdoc}
     */
    public function getFunctions()
    {
        return array(
            new \Twig_SimpleFunction('sonata_seo_title', array($this, 'getTitle'), array('is_safe' => array('html'))),
            new \Twig_SimpleFunction('sonata_seo_metadatas', array($this, 'getMetadatas'), array('is_safe' => array('html'))),
            new \Twig_SimpleFunction('sonata_seo_html_attributes', array($this, 'getHtmlAttributes'), array('is_safe' => array('html'))),
            new \Twig_SimpleFunction('sonata_seo_head_attributes', array($this, 'getHeadAttributes'), array('is_safe' => array('html'))),
            new \Twig_SimpleFunction('sonata_seo_link_canonical', array($this, 'getLinkCanonical'), array('is_safe' => array('html'))),
            new \Twig_SimpleFunction('sonata_seo_lang_alternates', array($this, 'getLangAlternates'), array('is_safe' => array('html'))),
            new \Twig_SimpleFunction('sonata_seo_oembed_links', array($this, 'getOembedLinks'), array('is_safe' => array('html'))),
            new \Twig_SimpleFunction('sonata_seo_links', array($this, 'getLinks'), array('is_safe' => array('html'))),
        );
    }

    /**
     * {@inheritdoc}
     */
    public function getName()
    {
        return 'sonata_seo';
    }

    /**
     * @deprecated Deprecated as of 1.2, echo the return value of getTitle() instead.
     */
    public function renderTitle()
    {
        echo $this->getTitle();
    }

    /**
     * @return string
     */
    public function getTitle()
    {
        return sprintf('<title>%s</title>', strip_tags($this->page->getTitle()));
    }

    /**
     * @deprecated Deprecated as of 1.2, echo the return value of getMetadatas() instead.
     */
    public function renderMetadatas()
    {
        echo $this->getMetadatas();
    }

    /**
     * @return string
     */
    public function getMetadatas()
    {
        $html = '';
        foreach ($this->page->getMetas() as $type => $metas) {
            foreach ((array) $metas as $name => $meta) {
                list($content, $extras) = $meta;

The assignment to $extras is unused. Consider omitting it like so list($first,,$third).

                if (!empty($content)) {
                    $html .= sprintf("<meta %s=\"%s\" content=\"%s\" />\n",
                        $type,
                        $this->normalize($name),
                        $this->normalize($content)
                    );
                } else {
                    $html .= sprintf("<meta %s=\"%s\" />\n",
                        $type,
                        $this->normalize($name)
                    );
                }
            }
        }

        return $html;
    }

    /**
     * @deprecated Deprecated as of 1.2, echo the return value of getHtmlAttributes() instead.
     */
    public function renderHtmlAttributes()
    {
        echo $this->getHtmlAttributes();
    }

    /**
     * @return string
     */
    public function getHtmlAttributes()
    {
        $attributes = '';
        foreach ($this->page->getHtmlAttributes() as $name => $value) {
            $attributes .= sprintf('%s="%s" ', $name, $value);
        }

        return rtrim($attributes);
    }

    /**
     * @deprecated Deprecated as of 1.2, echo the return value of getHeadAttributes() instead.
     */
    public function renderHeadAttributes()
    {
        echo $this->getHeadAttributes();
    }

    /**
     * @return string
     */
    public function getHeadAttributes()
    {
        $attributes = '';
        foreach ($this->page->getHeadAttributes() as $name => $value) {
            $attributes .= sprintf('%s="%s" ', $name, $value);
        }

        return rtrim($attributes);
    }

    /**
     * @deprecated Deprecated as of 1.2, echo the return value of getLinkCanonical() instead.
     */
    public function renderLinkCanonical()
    {
        echo $this->getLinkCanonical();
    }

    /**
     * @return string
     */
    public function getLinkCanonical()
    {
        if ($this->page->getLinkCanonical()) {
            return sprintf("<link rel=\"canonical\" href=\"%s\"/>\n", $this->page->getLinkCanonical());
        }
    }

    /**
     * Return links HTML tags.
     *
     * @return string
     */
    public function getLinks()
    {
        $html = '';
        $exclude = array('alternate', 'canonical');

        foreach ($this->page->getLinks() as $rel => $attributes) {
            // Prevent from duplicate links
            if (in_array($rel, $exclude)) {
                continue;
            }

            $html .= sprintf('<link rel="%s"', $rel);

            foreach ($attributes as $key => $attribute) {
                $attribute = $this->normalize($attribute);
                $html .= sprintf(' %s="%s"', $key, $attribute);
            }

            $html .= sprintf(" />\n");
        }

        return $html;
    }

    /**
     * @deprecated Deprecated as of 1.2, echo the return value of getLangAlternates() instead.
     */
    public function renderLangAlternates()
    {
        echo $this->getLangAlternates();
    }

    /**
     * @return string
     */
    public function getLangAlternates()
    {
        $html = '';
        foreach ($this->page->getLangAlternates() as $href => $hrefLang) {
            $html .= sprintf("<link rel=\"alternate\" href=\"%s\" hreflang=\"%s\"/>\n", $href, $hrefLang);
        }

        return $html;
    }

    /**
     * @return string
     */
    public function getOembedLinks()
    {
        $html = '';
        foreach ($this->page->getOEmbedLinks() as $title => $link) {
            $html .= sprintf("<link rel=\"alternate\" type=\"application/json+oembed\" href=\"%s\" title=\"%s\" />\n", $link, $title);
        }

        return $html;
    }

    /**
     * @param string $string
     *
     * @return mixed
     */
    private function normalize($string)
    {
        return htmlentities(strip_tags($string), ENT_COMPAT, $this->encoding);
    }
}