Sindbad~EG File Manager

<?php

/**
 * ---------------------------------------------------------------------
 *
 * GLPI - Gestionnaire Libre de Parc Informatique
 *
 * http://glpi-project.org
 *
 * @copyright 2015-2022 Teclib' and contributors.
 * @copyright 2003-2014 by the INDEPNET Development Team.
 * @licence   https://www.gnu.org/licenses/gpl-3.0.html
 *
 * ---------------------------------------------------------------------
 *
 * LICENSE
 *
 * This file is part of GLPI.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 *
 * ---------------------------------------------------------------------
 */

namespace Glpi\Application\View\Extension;

use Glpi\RichText\RichText;
use Glpi\Toolbox\Sanitizer;
use Html;
use Toolbox;
use Twig\Extension\AbstractExtension;
use Twig\TwigFilter;

/**
 * @since 10.0.0
 */
class DataHelpersExtension extends AbstractExtension
{
    public function getFilters(): array
    {
        return [
            new TwigFilter('formatted_datetime', [$this, 'getFormattedDatetime']),
            new TwigFilter('formatted_duration', [$this, 'getFormattedDuration']),
            new TwigFilter('formatted_number', [$this, 'getFormattedNumber']),
            new TwigFilter('html_to_text', [$this, 'getTextFromHtml']),
            new TwigFilter('picture_url', [$this, 'getPictureUrl']),
            new TwigFilter('relative_datetime', [$this, 'getRelativeDatetime']),
            new TwigFilter('safe_html', [$this, 'getSafeHtml'], ['is_safe' => ['html']]),
            new TwigFilter('verbatim_value', [$this, 'getVerbatimValue']),
            new TwigFilter('shortcut', [$this, 'underlineShortcutLetter'], ['is_safe' => ['html']]),
            new TwigFilter('enhanced_html', [$this, 'getEnhancedHtml'], ['is_safe' => ['html']]),
            new TwigFilter('truncate_left', [$this, 'truncateLeft']),
        ];
    }

    /**
     * Return date formatted to user preferred format.
     *
     * @param mixed $datetime
     *
     * @return string|null
     */
    public function getFormattedDatetime($datetime): ?string
    {
        if (!is_string($datetime)) {
            return null;
        }
        return Html::convDateTime($datetime);
    }

    /**
     * Return relative representation of given date.
     *
     * @param mixed $datetime
     *
     * @return string|null
     */
    public function getRelativeDatetime($datetime): ?string
    {
        if (!is_string($datetime)) {
            return null;
        }
        return Html::timestampToRelativeStr($datetime);
    }

    /**
     * Return human readable duration.
     *
     * @param mixed $duration
     *
     * @return string|null
     */
    public function getFormattedDuration($duration): ?string
    {
        if (!is_numeric($duration)) {
            return null;
        }
        return Html::timestampToString($duration);
    }

    /**
     * Return number formatted to user preferred format.
     *
     * @param mixed $number
     *
     * @return string
     */
    public function getFormattedNumber($number): string
    {
        return Html::formatNumber($number);
    }

    /**
     * Return URL for given picture.
     *
     * @param mixed $path
     *
     * @return null|string
     */
    public function getPictureUrl($path): ?string
    {
        if (!is_string($path)) {
            return null;
        }

        return Toolbox::getPictureUrl($path, true);
    }

    /**
     * Return string having its shortcut letter underlined.
     *
     * @param string $string
     * @param string $shortcut
     *
     * @return string
     */
    public function underlineShortcutLetter(string $string, string $shortcut_letter): string
    {
        if (empty($shortcut_letter)) {
            return $string;
        }
        return Toolbox::shortcut($string, $shortcut_letter);
    }

    /**
     * Return plain text from HTML (rich text).
     *
     * @param mixed $string             HTML string to be made safe
     * @param bool  $keep_presentation  Indicates whether the presentation elements have to be replaced by plaintext equivalents
     * @param bool  $compact            Indicates whether the output should be compact (limited line length, no links URL, ...)
     *
     * @return mixed
     */
    public function getTextFromHtml($string, bool $keep_presentation = true, bool $compact = false)
    {
        if (!is_string($string)) {
            return $string;
        }

        return RichText::getTextFromHtml($string, $keep_presentation, $compact);
    }

    /**
     * Return safe HTML (rich text).
     * Value will be made safe, whenever it has been sanitize (value fetched from DB),
     * or not (value computed during runtime).
     * Result will not be escaped, to prevent having to use `|raw` filter.
     *
     * @param mixed $string
     *
     * @return mixed
     */
    public function getSafeHtml($string)
    {
        if (!is_string($string)) {
            return $string;
        }

        return RichText::getSafeHtml($string);
    }

    /**
     * Return enhanced HTML (rich text).
     * Value will be made safe, whenever it has been sanitize (value fetched from DB),
     * or not (value computed during runtime).
     * Result will not be escaped, to prevent having to use `|raw` filter.
     *
     * @param mixed $string
     *
     * @return mixed
     */
    public function getEnhancedHtml($string, array $params = [])
    {
        if (!is_string($string)) {
            return $string;
        }

        return RichText::getEnhancedHtml($string, $params);
    }

    /**
     * Return verbatim value for an itemtype field.
     * Returned value will be unsanitized if it has been transformed by GLPI sanitizing process (value fetched from DB).
     * Twig autoescaping system will then ensure that value is correctly escaped in redered HTML.
     *
     * @param mixed  $string
     *
     * @return mixed
     */
    public function getVerbatimValue($string)
    {
        if (!is_string($string)) {
            return $string;
        }

        return Sanitizer::getVerbatimValue($string);
    }


    /**
     * return the provided string truncated on the left and preprend a prefix separator if length is reached
     *
     * @param string  $string the string to left truncate
     * @param int     $length number of char to preserve
     * @param int     $separator prefix to prepend to the string
     *
     * @return string truncated string
     */
    public function truncateLeft(string $string = "", int $length = 30, string $separator = "...")
    {
        if (mb_strlen($string) <= $length) {
            return $string;
        }

        return $separator . mb_substr($string, -$length);
    }
}