LogicLib.php

<?php
 
namespace Bitrix\Bizproc\Calc\Libs;
 
use Bitrix\Bizproc\Calc\Arguments;
use Bitrix\Main\Localization\Loc;
 
class LogicLib extends BaseLib
{
    public function getFunctions(): array
    {
        return [
            'true' => [
                'args' => false,
                'func' => 'callTrue',
                'description' => Loc::getMessage('BIZPROC_CALC_FUNCTION_TRUE_DESCRIPTION'),
            ],
            'false' => [
                'args' => false,
                'func' => 'callFalse',
                'description' => Loc::getMessage('BIZPROC_CALC_FUNCTION_FALSE_DESCRIPTION'),
            ],
            'if' => [
                'args' => true,
                'func' => 'callIf',
                'description' => Loc::getMessage('BIZPROC_CALC_FUNCTION_IF_DESCRIPTION'),
            ],
            'and' => [
                'args' => true,
                'func' => 'callAnd',
                'description' => Loc::getMessage('BIZPROC_CALC_FUNCTION_AND_DESCRIPTION'),
            ],
            'not' => [
                'args' => true,
                'func' => 'callNot',
                'description' => Loc::getMessage('BIZPROC_CALC_FUNCTION_NOT_DESCRIPTION'),
            ],
            'or' => [
                'args' => true,
                'func' => 'callOr',
                'description' => Loc::getMessage('BIZPROC_CALC_FUNCTION_OR_DESCRIPTION'),
            ],
        ];
    }
 
    public function callTrue()
    {
        return true;
    }
 
    public function callFalse()
    {
        return false;
    }
 
    public function callIf(Arguments $args)
    {
        $expression = (boolean)$args->getFirst();
        $ifTrue = $args->getSecond();
        $ifFalse = $args->getThird();
 
        return $expression ? $ifTrue : $ifFalse;
    }
 
    public function callNot(Arguments $args)
    {
        return !$args->getFirst();
    }
 
    public function callAnd(Arguments $args)
    {
        $array = $args->getFlatArray();
 
        return count(array_filter($array)) === count($array);
    }
 
    public function callOr(Arguments $args)
    {
        $array = $args->getFlatArray();
 
        return count(array_filter($array)) > 0;
    }
}