class.ilDclDateRecordFieldModel.php

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<?php
 
declare(strict_types=1);
 
class ilDclDateRecordFieldModel extends ilDclBaseRecordFieldModel
{
    public function parseValue($value): string
    {
        return (string) $value;
    }
 
    public function getValueFromExcel(ilExcel $excel, int $row, int $col): ?string
    {
        $value = parent::getValueFromExcel($excel, $row, $col);
 
        if ($value) {
            return date(ilDclDateFieldModel::FORMAT, strtotime($value));
        } else {
            return "";
        }
    }
 
    public function parseSortingValue($value, bool $link = true): ?int
    {
        return strtotime($value);
    }
 
    public function getFormulaValue(): string
    {
        return (string) strtotime($this->getValue() ?: '');
    }
}