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|
<?php
/* Icinga Web 2 | (c) 2020 Icinga GmbH | GPLv2+ */
namespace Icinga\Application\Libraries;
use CallbackFilterIterator;
use Icinga\Exception\ConfigurationError;
use Icinga\Exception\Json\JsonDecodeException;
use Icinga\Util\Json;
use RecursiveDirectoryIterator;
use RecursiveIteratorIterator;
class Library
{
/** @var string */
protected $path;
/** @var string */
protected $jsAssetPath;
/** @var string */
protected $cssAssetPath;
/** @var string */
protected $staticAssetPath;
/** @var string */
protected $version;
/** @var array */
protected $metaData;
/** @var array */
protected $assets;
/**
* Create a new Library
*
* @param string $path
*/
public function __construct($path)
{
$this->path = $path;
}
/**
* Get this library's path
*
* @return string
*/
public function getPath()
{
return $this->path;
}
/**
* Get path of this library's JS assets
*
* @return string
*/
public function getJsAssetPath()
{
$this->assets();
return $this->jsAssetPath;
}
/**
* Get path of this library's CSS assets
*
* @return string
*/
public function getCssAssetPath()
{
$this->assets();
return $this->cssAssetPath;
}
/**
* Get path of this library's static assets
*
* @return string
*/
public function getStaticAssetPath()
{
$this->assets();
return $this->staticAssetPath;
}
/**
* Get this library's name
*
* @return string
*/
public function getName()
{
return $this->metaData()['name'];
}
/**
* Get this library's version
*
* @return string
*/
public function getVersion()
{
if ($this->version === null) {
if (isset($this->metaData()['version'])) {
$this->version = trim(ltrim($this->metaData()['version'], 'v'));
} else {
$versionFile = $this->path . DIRECTORY_SEPARATOR . 'VERSION';
if (file_exists($versionFile)) {
$this->version = trim(ltrim(file_get_contents($versionFile), 'v'));
} else {
$this->version = '';
}
}
}
return $this->version;
}
/**
* Check whether the given package is required
*
* @param string $vendor The vendor of the project
* @param string $project The project's name
*
* @return bool
*/
public function isRequired($vendor, $project)
{
// Ensure the parts are lowercase and separated by dashes, not capital letters
$project = strtolower(join('-', preg_split('/\w(?=[A-Z])/', $project)));
return isset($this->metaData()['require'][strtolower($vendor) . '/' . $project]);
}
/**
* Get this library's JS assets
*
* @return string[] Asset paths
*/
public function getJsAssets()
{
return $this->assets()['js'];
}
/**
* Get this library's CSS assets
*
* @return string[] Asset paths
*/
public function getCssAssets()
{
return $this->assets()['css'];
}
/**
* Get this library's static assets
*
* @return string[] Asset paths
*/
public function getStaticAssets()
{
return $this->assets()['static'];
}
/**
* Register this library's autoloader
*
* @return void
*/
public function registerAutoloader()
{
$autoloaderPath = join(DIRECTORY_SEPARATOR, [$this->path, 'vendor', 'autoload.php']);
if (file_exists($autoloaderPath)) {
require_once $autoloaderPath;
}
}
/**
* Parse and return this library's metadata
*
* @return array
*
* @throws ConfigurationError
* @throws JsonDecodeException
*/
protected function metaData()
{
if ($this->metaData === null) {
$metaData = @file_get_contents($this->path . DIRECTORY_SEPARATOR . 'composer.json');
if ($metaData === false) {
throw new ConfigurationError('Library at "%s" is not a composerized project', $this->path);
}
$this->metaData = Json::decode($metaData, true);
}
return $this->metaData;
}
/**
* Register and return this library's assets
*
* @return array
*/
protected function assets()
{
if ($this->assets !== null) {
return $this->assets;
}
$listAssets = function ($type) {
$dir = join(DIRECTORY_SEPARATOR, [$this->path, 'asset', $type]);
if (! is_dir($dir)) {
return [];
}
$this->{$type . 'AssetPath'} = $dir;
$iterator = new RecursiveIteratorIterator(new RecursiveDirectoryIterator(
$dir,
RecursiveDirectoryIterator::CURRENT_AS_FILEINFO | RecursiveDirectoryIterator::SKIP_DOTS
));
if ($type === 'static') {
return $iterator;
}
return new CallbackFilterIterator(
$iterator,
function ($path) use ($type) {
if ($type === 'js' && $path->getExtension() === 'js') {
return substr($path->getPathname(), -5 - strlen($type)) !== ".min.$type";
} elseif ($type === 'css'
&& ($path->getExtension() === 'css' || $path->getExtension() === 'less')
) {
return substr($path->getPathname(), -5 - strlen($type)) !== ".min.$type";
}
return false;
}
);
};
$this->assets = [];
$jsAssets = $listAssets('js');
$this->assets['js'] = is_array($jsAssets) ? $jsAssets : iterator_to_array($jsAssets);
$cssAssets = $listAssets('css');
$this->assets['css'] = is_array($cssAssets) ? $cssAssets : iterator_to_array($cssAssets);
$staticAssets = $listAssets('static');
$this->assets['static'] = is_array($staticAssets) ? $staticAssets : iterator_to_array($staticAssets);
return $this->assets;
}
}
|
