Apply PSR-12 code style (#3886)

[GitHub/WoltLab/WCF.git] / wcfsetup / install / files / lib / system / image / cover / photo / CoverPhotoImage.class.php

<?php

namespace wcf\system\image\cover\photo;

use wcf\system\style\StyleHandler;

/**
 * Wrapper for cover photos with an automatic fallback to the global cover photo.
 *
 * @author      Alexander Ebert
 * @copyright   2001-2019 WoltLab GmbH
 * @license     GNU Lesser General Public License <http://opensource.org/licenses/lgpl-license.php>
 * @package     WoltLabSuite\Core\System\Image\Cover\Photo
 * @since       5.2
 */
class CoverPhotoImage
{
    /**
     * @var ICoverPhotoImage
     */
    protected $coverPhotoImage;

    /**
     * @var int[]
     */
    protected $dimensions;

    /**
     * @var ICoverPhotoImage
     */
    protected static $defaultCoverPhotoImage;

    /**
     * @param ICoverPhotoImage|null $coverPhotoImage
     */
    public function __construct(?ICoverPhotoImage $coverPhotoImage = null)
    {
        $this->coverPhotoImage = $coverPhotoImage ?: self::getDefaultCoverPhoto();
    }

    /**
     * @return string
     */
    public function getCaption()
    {
        return $this->coverPhotoImage->getCoverPhotoCaption();
    }

    /**
     * @return int
     */
    public function getHeight()
    {
        return $this->getDimensions()['height'];
    }

    /**
     * @return string
     */
    public function getLocation()
    {
        return $this->coverPhotoImage->getCoverPhotoLocation();
    }

    /**
     * @return string
     */
    public function getUrl()
    {
        return $this->coverPhotoImage->getCoverPhotoUrl();
    }

    /**
     * @return int
     */
    public function getWidth()
    {
        return $this->getDimensions()['width'];
    }

    /**
     * @return int[]
     */
    protected function getDimensions()
    {
        if ($this->dimensions === null) {
            $this->dimensions = ['height' => 0, 'width' => 0];
            $dimensions = @\getimagesize($this->getLocation());
            if (\is_array($dimensions)) {
                $this->dimensions['width'] = $dimensions[0];
                $this->dimensions['height'] = $dimensions[1];
            }
        }

        return $this->dimensions;
    }

    /**
     * @return ICoverPhotoImage
     */
    protected static function getDefaultCoverPhoto()
    {
        if (self::$defaultCoverPhotoImage === null) {
            self::$defaultCoverPhotoImage = new class implements ICoverPhotoImage {
                public function getCoverPhotoCaption()
                {
                    return '';
                }

                public function getCoverPhotoLocation()
                {
                    return StyleHandler::getInstance()->getStyle()->getCoverPhotoLocation();
                }

                public function getCoverPhotoUrl()
                {
                    return StyleHandler::getInstance()->getStyle()->getCoverPhotoUrl();
                }
            };
        }

        return self::$defaultCoverPhotoImage;
    }
}