<?php
/**
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
namespace Magento\Framework\View\Design\Theme;

/**
* Theme customizations manager
*/
class Customization implements CustomizationInterface
{
/**
* File provider
*
* @var \Magento\Framework\View\Design\Theme\FileProviderInterface
*/
protected $fileProvider;

/**
* Theme customization path
*
* @var \Magento\Framework\View\Design\Theme\Customization\Path
*/
protected $customizationPath;

/**
* Theme
*
* @var \Magento\Framework\View\Design\ThemeInterface
*/
protected $theme;

/**
* Theme files
*
* @var \Magento\Framework\View\Design\Theme\FileInterface[]
*/
protected $themeFiles;

/**
* Theme files by type
*
* @var \Magento\Framework\View\Design\Theme\FileInterface[]
*/
protected $themeFilesByType = [];

/**
* Constructor
*
* @param \Magento\Framework\View\Design\Theme\FileProviderInterface $fileProvider
* @param \Magento\Framework\View\Design\Theme\Customization\Path $customizationPath
* @param \Magento\Framework\View\Design\ThemeInterface $theme
*/
public function __construct(
\Magento\Framework\View\Design\Theme\FileProviderInterface $fileProvider,
\Magento\Framework\View\Design\Theme\Customization\Path $customizationPath,
\Magento\Framework\View\Design\ThemeInterface $theme = null
) {
$this->fileProvider = $fileProvider;
$this->customizationPath = $customizationPath;
$this->theme = $theme;
}

/**
* Retrieve list of files which belong to a theme
*
* @return \Magento\Framework\View\Design\Theme\FileInterface[]
*/
public function getFiles()
{
if (!$this->themeFiles) {
$this->themeFiles = $this->fileProvider->getItems($this->theme);
}
return $this->themeFiles;
}

/**
* Retrieve list of files which belong to a theme only by type
*
* @param string $type
* @return \Magento\Framework\View\Design\Theme\FileInterface[]
*/
public function getFilesByType($type)
{
if (!isset($this->themeFilesByType[$type])) {
$this->themeFilesByType[$type] = $this->fileProvider->getItems($this->theme, ['file_type' => $type]);
}
return $this->themeFilesByType[$type];
}

/**
* Get short file information
*
* @param \Magento\Framework\View\Design\Theme\FileInterface[] $files
* @return array
*/
public function generateFileInfo(array $files)
{
$filesInfo = [];
/** @var $file \Magento\Framework\View\Design\Theme\FileInterface */
foreach ($files as $file) {
if ($file instanceof \Magento\Framework\View\Design\Theme\FileInterface) {
$filesInfo[] = $file->getFileInfo();
}
}
return $filesInfo;
}

/**
* Returns customization absolute path
*
* @return null|string
*/
public function getCustomizationPath()
{
return $this->customizationPath->getCustomizationPath($this->theme);
}

/**
* Get directory where themes files are stored
*
* @return null|string
*/
public function getThemeFilesPath()
{
return $this->theme->isPhysical() ? $this->customizationPath->getThemeFilesPath(
$this->theme
) : $this->customizationPath->getCustomizationPath(
$this->theme
);
}

/**
* Get path to custom view configuration file
*
* @return null|string
*/
public function getCustomViewConfigPath()
{
return $this->customizationPath->getCustomViewConfigPath($this->theme);
}

/**
* Reorder
*
* @param string $type
* @param array $sequence
* @return $this|CustomizationInterface
*/
public function reorder($type, array $sequence)
{
$sortOrderSequence = array_flip(array_values($sequence));
/** @var $file \Magento\Framework\View\Design\Theme\FileInterface */
foreach ($this->getFilesByType($type) as $file) {
if (isset($sortOrderSequence[$file->getId()])) {
$prevSortOrder = $file->getData('sort_order');
$currentSortOrder = $sortOrderSequence[$file->getId()];
if ($prevSortOrder !== $currentSortOrder) {
$file->setData('sort_order', $currentSortOrder);
$file->save();
}
}
}
return $this;
}

/**
* Remove custom files by ids
*
* @param array $fileIds
* @return $this
*/
public function delete(array $fileIds)
{
/** @var $file \Magento\Framework\View\Design\Theme\FileInterface */
foreach ($this->getFiles() as $file) {
if (in_array($file->getId(), $fileIds)) {
$file->delete();
}
}
return $this;
}
}