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FileFoundation.php
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FileFoundation.php
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<?php
namespace Kirby\Cms;
use Kirby\Exception\BadMethodCallException;
use Kirby\Image\Image;
use Kirby\Toolkit\F;
use Kirby\Toolkit\Properties;
/**
* Foundation for all file objects
*/
trait FileFoundation
{
protected $asset;
protected $root;
protected $url;
/**
* Magic caller for asset methods
*
* @param string $method
* @param array $arguments
* @return mixed
*/
public function __call(string $method, array $arguments = [])
{
// public property access
if (isset($this->$method) === true) {
return $this->$method;
}
// asset method proxy
if (method_exists($this->asset(), $method)) {
return $this->asset()->$method(...$arguments);
}
throw new BadMethodCallException('The method: "' . $method . '" does not exist');
}
/**
* Constructor sets all file properties
*
* @param array $props
*/
public function __construct(array $props)
{
$this->setProperties($props);
}
/**
* Converts the file object to a string
* In case of an image, it will create an image tag
* Otherwise it will return the url
*
* @return string
*/
public function __toString(): string
{
if ($this->type() === 'image') {
return $this->html();
}
return $this->url();
}
/**
* Returns the Image object
*^
* @return Image
*/
public function asset(): Image
{
return $this->asset = $this->asset ?? new Image($this->root());
}
/**
* Checks if the file exists on disk
*
* @return boolean
*/
public function exists(): bool
{
return file_exists($this->root()) === true;
}
/**
* Returns the file extension
*
* @return string
*/
public function extension(): string
{
return F::extension($this->root());
}
/**
* Converts the file to html
*
* @param array $attr
* @return string
*/
public function html(array $attr = []): string
{
if ($this->type() === 'image') {
return Html::img($this->url(), array_merge(['alt' => $this->alt()], $attr));
} else {
return Html::a($this->url(), $attr);
}
}
/**
* Checks if the file is a resizable image
*
* @return boolean
*/
public function isResizable(): bool
{
$resizable = [
'jpg',
'jpeg',
'gif',
'png',
'webp'
];
return in_array($this->extension(), $resizable) === true;
}
/**
* Checks if a preview can be displayed for the file
* in the panel or in the frontend
*
* @return boolean
*/
public function isViewable(): bool
{
$viewable = [
'jpg',
'jpeg',
'gif',
'png',
'svg',
'webp'
];
return in_array($this->extension(), $viewable) === true;
}
/**
* Returns the app instance
*
* @return App
*/
public function kirby(): App
{
return App::instance();
}
/**
* Get the file's last modification time.
*
* @param string $format
* @param string|null $handler date or strftime
* @return mixed
*/
public function modified(string $format = null, string $handler = null)
{
return F::modified($this->root(), $format, $handler ?? $this->kirby()->option('date.handler', 'date'));
}
/**
* Returns the absolute path to the file root
*
* @return string|null
*/
public function root(): ?string
{
return $this->root;
}
/**
* Setter for the root
*
* @param string $root
* @return self
*/
protected function setRoot(string $root = null)
{
$this->root = $root;
return $this;
}
/**
* Setter for the file url
*
* @param string $url
* @return self
*/
protected function setUrl(string $url)
{
$this->url = $url;
return $this;
}
/**
* Convert the object to an array
*
* @return array
*/
public function toArray(): array
{
$array = array_merge($this->asset()->toArray(), [
'isResizable' => $this->isResizable(),
'url' => $this->url(),
]);
ksort($array);
return $array;
}
/**
* Returns the file type
*
* @return string|null
*/
public function type()
{
return F::type($this->root());
}
/**
* Returns the absolute url for the file
*
* @return string
*/
public function url(): string
{
return $this->url;
}
}