krafthaus/bauhaus

<?php

namespace KraftHaus\Bauhaus\Field;

/**
 * This file is part of the KraftHaus Bauhaus package.
 *
 * (c) KraftHaus <hello@krafthaus.nl>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

use KraftHaus\Bauhaus\Field\FileField;
use Illuminate\Support\Facades\View;
use Illuminate\Support\Facades\Input;
use Intervention\Image\Exception\NotReadableException;
use Image;

/**
 * Class ImageField
 * @package KraftHaus\Bauhaus\Field
 */
class ImageField extends FileField
{

    /**
     * Holds the image sizes.
     * @var array
     */
    protected $sizes = [];

    /**
     * Set the image sizes.
     *
     * @param  array $sizes
     *
     * @access public
     * @return ImageField
     */
    public function sizes(array $sizes)
    {
        $this->sizes = $sizes;
        return $this;
    }

    /**
     * Get the image sizes.
     *
     * @access public
     * @return array
     */
    public function getSizes()
    {
        return $this->sizes;
    }

    /**
     * Render the field.
     *
     * @access public
     * @return mixed|string
     */
    public function render()
    {
        switch ($this->getContext()) {
            case BaseField::CONTEXT_LIST:
                return '<img src="' . asset($this->getValue()). '" width="10%">';
                break;
            case BaseField::CONTEXT_FILTER:
            case BaseField::CONTEXT_FORM:
                return View::make('krafthaus/bauhaus::models.fields._image')
                    ->with('field', $this);
                break;
        }
    }

    /**
     * Upload the image.
     *
     * @param  array $input
     *
     * @access public
     * @return void
     */
    public function postUpdate($input)
    {
        foreach ($this->getSizes() as $size) {
            $name = $this->getName();

            try {
                $image = Image::make(sprintf('%s/%s', $this->getLocation(), $name));
            } catch (NotReadableException $e) {
                continue;
            }

            switch ($size[2]) {
                case 'resize':
                    $image->resize($size[0], $size[1], function ($constraint) {
                        $constraint->aspectRatio();
                    });
                    break;
                case 'resizeCanvas':
                    $image->resizeCanvas($size[0], $size[1], 'center');
                    break;
                case 'fit':
                    $image->fit($size[0], $size[1]);
                    break;
            }

            $image->save(sprintf('%s/%s', $this->getLocation(), $size[3] . '-' . $name));
        }

        parent::postUpdate($input);
    }

}