Files
lichterei-web/kirby/src/Filesystem/IsFile.php
2022-08-24 10:59:39 +02:00

197 lines
3.4 KiB
PHP

<?php
namespace Kirby\Filesystem;
use Kirby\Cms\App;
use Kirby\Exception\BadMethodCallException;
use Kirby\Image\Image;
use Kirby\Toolkit\Properties;
/**
* Trait for all objects that represent an asset file.
* Adds `::asset()` method which returns either a
* `Kirby\Filesystem\File` or `Kirby\Image\Image` object.
* Proxies method calls to this object.
* @since 3.6.0
*
* @package Kirby Filesystem
* @author Nico Hoffmann <nico@getkirby.com>
* @link https://getkirby.com
* @copyright Bastian Allgeier
* @license https://getkirby.com/license
*/
trait IsFile
{
use Properties;
/**
* File asset object
*
* @var \Kirby\Filesystem\File
*/
protected $asset;
/**
* Absolute file path
*
* @var string|null
*/
protected $root;
/**
* Absolute file URL
*
* @var string|null
*/
protected $url;
/**
* Constructor sets all file properties
*
* @param array $props
*/
public function __construct(array $props)
{
$this->setProperties($props);
}
/**
* Magic caller for asset methods
*
* @param string $method
* @param array $arguments
* @return mixed
* @throws \Kirby\Exception\BadMethodCallException
*/
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: "' . $method . '" does not exist');
}
/**
* Converts the asset to a string
*
* @return string
*/
public function __toString(): string
{
return (string)$this->asset();
}
/**
* Returns the file asset object
*
* @param array|string|null $props
* @return \Kirby\Filesystem\File
*/
public function asset($props = null)
{
if ($this->asset !== null) {
return $this->asset;
}
$props = $props ?? [
'root' => $this->root(),
'url' => $this->url()
];
switch ($this->type()) {
case 'image':
return $this->asset = new Image($props);
default:
return $this->asset = new File($props);
}
}
/**
* Checks if the file exists on disk
*
* @return bool
*/
public function exists(): bool
{
// Important to include this in the trait
// to avoid infinite loops when trying
// to proxy the method from the asset object
return file_exists($this->root()) === true;
}
/**
* Returns the app instance
*
* @return \Kirby\Cms\App
*/
public function kirby()
{
return App::instance();
}
/**
* Returns the given file path
*
* @return string|null
*/
public function root(): ?string
{
return $this->root;
}
/**
* Setter for the root
*
* @param string|null $root
* @return $this
*/
protected function setRoot(?string $root = null)
{
$this->root = $root;
return $this;
}
/**
* Setter for the file url
*
* @param string|null $url
* @return $this
*/
protected function setUrl(?string $url = null)
{
$this->url = $url;
return $this;
}
/**
* Returns the file type
*
* @return string|null
*/
public function type(): ?string
{
// Important to include this in the trait
// to avoid infinite loops when trying
// to proxy the method from the asset object
return F::type($this->root() ?? $this->url());
}
/**
* Returns the absolute url for the file
*
* @return string|null
*/
public function url(): ?string
{
return $this->url;
}
}