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Current File : /home/megadansyp/www/plugins/system/articlesanywhere/src/Helpers/ValueHelper.php

<?php
/**
 * @package         Articles Anywhere
 * @version         14.2.0
 * 
 * @author          Peter van Westen <info@regularlabs.com>
 * @link            https://regularlabs.com
 * @copyright       Copyright © 2023 Regular Labs All Rights Reserved
 * @license         GNU General Public License version 2 or later
 */

namespace RegularLabs\Plugin\System\ArticlesAnywhere\Helpers;

use Joomla\CMS\Date\Date as JDate;
use Joomla\CMS\Factory as JFactory;
use Joomla\CMS\HTML\HTMLHelper as JHtml;
use Joomla\CMS\Language\Text as JText;
use RegularLabs\Library\Date as RL_Date;
use RegularLabs\Library\RegEx as RL_RegEx;

defined('_JEXEC') or die;

class ValueHelper
{
    public static function dateToString($value, $attributes)
    {
        $showtime        = $attributes->showtime ?? true;
        $format          = $attributes->format ?? '';
        $is_custom_field = $attributes->is_custom_field ?? false;

        if (empty($format))
        {
            $format = $showtime ? JText::_('DATE_FORMAT_LC2') : JText::_('DATE_FORMAT_LC1');
        }

        if (strpos($format, '%') !== false)
        {
            $format = RL_Date::strftimeToDateFormat($format);
        }

        // Don't pass custom fields through JHtml, as it will double the offset
        if ($is_custom_field)
        {
            return (new JDate($value))->format($format);
        }

        return JHtml::_('date', $value, $format);
    }

    public static function isDateValue($value)
    {
        // Check if string could be a date

        if (is_array($value))
        {
            return false;
        }

        if (strpos($value, ' to ') !== false)
        {
            $value    = explode(' to ', $value, 2);
            $value[0] = RL_RegEx::replace('^from ', '', $value[0]);

            return self::isDateValue($value[0]) && self::isDateValue($value[1]);
        }

        if (
            // Dates must contain a '-' and not letters
            (strpos($value, '-') == false)
            || RL_RegEx::match('^[a-z]', $value)
            // Start with Y-m-d format
            || ! RL_RegEx::match('^[0-9]{4}-[0-9]{2}-[0-9]{2}', $value)
            // Check string it passes a simple strtotime
            || ! strtotime($value)
        )
        {
            return false;
        }

        return true;
    }

    public static function placeholderToDate($value, $apply_offset = true)
    {
        if (
            in_array($value, [
                'NOW',
                'now()',
                'JFactory::getDate()',
            ])
        )
        {
            if ( ! $apply_offset)
            {
                return date('Y-m-d H:i:s', strtotime('now'));
            }

            $date = new JDate('now', JFactory::getConfig()->get('offset', 'UTC'));

            return $date->format('Y-m-d H:i:s');
        }

        if (strpos($value, ' to ') !== false)
        {
            $value    = explode(' to ', $value, 2);
            $value[0] = RL_RegEx::replace('^from ', '', $value[0]);

            $from = self::placeholderToDate($value[0], $apply_offset) ?: $value[0];
            $to   = self::placeholderToDate($value[1], $apply_offset) ?: $value[1];

            if ( ! $from || ! $to)
            {
                return false;
            }

            return $from . ' to ' . $to;
        }

        $regex = '^date\(\s*'
            . '(?:\'(?<datetime>.*?)\')?'
            . '(?:\\\\?,\s*\'(?<format>.*?)\')?'
            . '\s*\)$';

        if ( ! RL_RegEx::match($regex, $value, $match))
        {
            return false;
        }

        $datetime = ($match['datetime'] ?? null) ?: 'now';
        $format   = $match['format'] ?? '';

        if (empty($format))
        {
            $time   = date('His', strtotime($datetime));
            $format = (int) $time ? 'Y-m-d H:i:s' : 'Y-m-d';
        }

        if ( ! $apply_offset)
        {
            return date($format, strtotime($datetime));
        }

        $date = new JDate($datetime, JFactory::getConfig()->get('offset', 'UTC'));

        return $date->format($format);
    }
}