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by nguereza
09:02
created

Helper::normalizeFiles()   B

Complexity

Conditions 7
Paths 4

Size

Total Lines 46
Code Lines 18

Duplication

Lines 0
Ratio 0 %

Importance

Changes 0
Metric Value
cc 7
eloc 18
nc 4
nop 1
dl 0
loc 46
rs 8.8333
c 0
b 0
f 0
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<?php
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/**
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 * Platine Upload
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 *
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 * Platine Upload provides a flexible file uploads with extensible
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 * validation and storage strategies.
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 *
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 * This content is released under the MIT License (MIT)
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 *
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 * Copyright (c) 2020 Platine Upload
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 * Copyright (c) 2014 Adrian Miu
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 *
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 * Permission is hereby granted, free of charge, to any person obtaining a copy
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 * of this software and associated documentation files (the "Software"), to deal
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 * in the Software without restriction, including without limitation the rights
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 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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 * copies of the Software, and to permit persons to whom the Software is
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 * furnished to do so, subject to the following conditions:
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 *
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 * The above copyright notice and this permission notice shall be included in all
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 * copies or substantial portions of the Software.
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 *
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 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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 * SOFTWARE.
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 */
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/**
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 *  @file Helper.php
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 *
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 *  The Upload Helper class
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 *
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 *  @package    Platine\Upload\Util
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 *  @author Platine Developers Team
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 *  @copyright  Copyright (c) 2020
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 *  @license    http://opensource.org/licenses/MIT  MIT License
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 *  @link   http://www.iacademy.cf
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 *  @version 1.0.0
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 *  @filesource
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 */
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declare(strict_types=1);
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namespace Platine\Upload\Util;
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use Platine\Http\UploadedFile;
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use Platine\Upload\File\File;
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/**
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 * Class Helper
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 * @package Platine\Upload\Util
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 */
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class Helper
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{
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    /**
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     * Normalize the uploaded files to fit our format
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     *
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     * @param array<mixed> $files the normalized
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     * format of UploadedFile::createFromGlobals()
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     * @return array<string, File>|array<string, array<int, File>>
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     */
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    public static function normalizeFiles(array $files): array
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    {
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        /** @var array<mixed> $result */
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        $result = [];
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        /**
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         * TODO
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         * Only support for :
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         * <input type = 'file' name ='my_file' /><br />
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         * <input type = 'file' name ='files[]' /><br />
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         *
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         * Not support currently:
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         *  <input type = 'file' name ='files[my_name]' />
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         *  <input type = 'file' name ='files[][foo]' />
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         *  <input type = 'file' name ='files[][bar][]' />
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         *  <input type = 'file' name ='files[file1][file2][file3][file_n]' />
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         *  <input type = 'file' name ='files[file_name][]' />
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         */
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        foreach ($files as $name => $file) {
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            if ($file instanceof UploadedFile) {
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                $tempName = (string) tempnam(sys_get_temp_dir(), uniqid());
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                static::moveUploadedFileToTempDirectory($file, $tempName);
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                $result[$name] = File::create($tempName, $file->getClientFilename(), $file->getError());
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                continue;
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            }
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            if (is_array($file)) {
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                $result[$name] = [];
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                foreach ($file as $index => $file2) {
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                    if (is_int($index) && $file2 instanceof UploadedFile) {
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                        $tempName = (string) tempnam(sys_get_temp_dir(), uniqid());
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                        static::moveUploadedFileToTempDirectory($file2, $tempName);
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                        $result[$name][$index] = File::create(
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                            $tempName,
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                            $file2->getClientFilename(),
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                            $file2->getError()
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                        );
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                    }
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                }
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            }
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        }
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        return $result;
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    }
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    /**
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     * Convert the size like 4G, 7T, 19B to byte
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     * @param string $size
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     * @return int
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     */
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    public static function sizeInBytes(string $size): int
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    {
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        $unit = 'B';
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        $units = ['B' => 0, 'K' => 1, 'M' => 2, 'G' => 3, 'T' => 4];
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        $matches = [];
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        preg_match('/(?<size>[\d\.]+)\s*(?<unit>b|k|m|g|t)?/i', $size, $matches);
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        if (array_key_exists('unit', $matches)) {
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            $unit = strtoupper($matches['unit']);
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        }
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        return (int)(floatval($matches['size']) * pow(1024, $units[$unit]));
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    }
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    /**
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     * Format to human readable size
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     * @param int $size
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     * @param int $precision
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     * @return string
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     */
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    public static function formatSize(int $size, int $precision = 2): string
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    {
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        if ($size > 0) {
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            $base = log($size) / log(1024);
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            $suffixes = ['B', 'K', 'M', 'G', 'T'];
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            $suffix = '';
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            if (isset($suffixes[floor($base)])) {
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                $suffix = $suffixes[floor($base)];
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            }
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            return round(pow(1024, $base - floor($base)), $precision) . $suffix;
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        }
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        return '';
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    }
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    /**
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     * Move uploadedFile to temporary directory
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     * @param UploadedFile $file
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     * @param string $tempDir
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     * @return void
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     */
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    protected static function moveUploadedFileToTempDirectory(UploadedFile $file, string $tempDir): void
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    {
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        if (!in_array($file->getError(), [UPLOAD_ERR_NO_FILE])) {
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            $file->moveTo($tempDir);
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        }
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    }
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}
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