wsssoftware/cakephp-datatables

<?php
/**
 * Copyright (c) Allan Carvalho 2020.
 * Under Mit License
 * link: https://github.com/wsssoftware/cakephp-data-renderer
 * author: Allan Carvalho <allan.m.carvalho@outlook.com>
 * license: MIT License https://github.com/wsssoftware/cakephp-datatables/blob/master/LICENSE
 */
declare(strict_types = 1);

namespace DataTables\Controller\Component;

use Cake\Cache\Cache;
use Cake\Utility\Hash;
use DataTables\Table\Assets;

/**
 * Class AssetsComponent
 * Created by allancarvalho in june 26, 2020
 */
trait AssetsTrait {

    /**
     * Get files to load.
     *
     * @param array $query Request query.
     * @param string $type If is css or script.
     * @return string
     */
    public function getFilesBody(array $query, string $type): string {
        $files = [];
        $md5 = $type . '_' . md5(json_encode($query));
        $body = Cache::read($md5, '_data_tables_assets_');
        if ($body === null) {
            $version = Hash::get($query, 'version', Assets::DEFAULT_VERSION);
            $theme = Hash::get($query, 'theme', Assets::DEFAULT_THEME);
            $this->addFiles($files, $this->_themes[$theme]);
            if (Hash::get($query, 'library', false)) {
                $this->addFiles($files, $this->_libraries[Hash::get($query, 'theme')]);
            }
            if (Hash::get($query, 'jquery', false)) {
                $this->addFiles($files, $this->_libraries[Hash::get($query, 'jquery')]);
            }
            foreach (Hash::get($query, 'plugins', []) as $plugin => $isEnabled) {
                if ($isEnabled) {
                    $pluginAssets = $this->_plugins[$plugin];
                    foreach ($pluginAssets as $index => $pluginAsset) {
                        if (is_numeric($index)) {
                            $this->addFiles($files, [$index => $pluginAsset]);
                        }
                        $this->addFiles($files, $pluginAssets[$theme]);
                    }
                }
            }
            $body = $this->getBodies($files, $type, $version);
            Cache::write($md5, $body, '_data_tables_assets_');
        }

        return $body;
    }

    /**
     * Add files to Array
     *
     * @param array $files Files array.
     * @param array $toAdd Files to add.
     * @return void
     */
    protected function addFiles(array &$files, array $toAdd): void {
        $files += $toAdd;
        ksort($files);
    }

    /**
     * Generate the file body.
     *
     * @param array $files Files to put in body.
     * @param string $type Type of files.
     * @param string $version Version o DataTables library.
     * @return string
     */
    protected function getBodies(array $files, string $type, string $version): string {
        $body = '';
        $basePath = DATA_TABLES_WWW_ROOT . $type . DS . $version . DS;
        foreach ($files as $file) {
            $body .= file_get_contents($basePath . $file);
            if ($type === 'js') {
                $body .= ';';
            }
            $body .= "\n";
        }

        return $body;
    }

}