measure_ratio.php

См. документацию.

<?php
 
use Bitrix\Main\Localization\Loc;
use Bitrix\Catalog;
 
class CCatalogMeasureRatioAll
{
    protected static $whiteList = array('ID', 'PRODUCT_ID', 'RATIO', 'IS_DEFAULT');
 
    protected static function checkFields($action, &$arFields)
    {
        global $APPLICATION;
 
        $action = mb_strtoupper($action);
        if ($action != 'UPDATE' && $action != 'ADD')
        {
            $APPLICATION->ThrowException(Loc::getMessage('CATALOG_MEASURE_RATIO_BAD_ACTION'));
            return false;
        }
        $clearFields = array();
        foreach (self::$whiteList as $field)
        {
            if ($field == 'ID')
                continue;
            if (isset($arFields[$field]))
                $clearFields[$field] = $arFields[$field];
        }
        unset($field);
 
        if ($action == 'ADD')
        {
            if (empty($clearFields))
            {
                $APPLICATION->ThrowException(Loc::getMessage('CATALOG_MEASURE_RATIO_EMPTY_CLEAR_FIELDS'));
                return false;
            }
            if (!isset($clearFields['PRODUCT_ID']))
            {
                $APPLICATION->ThrowException(Loc::getMessage('CATALOG_MEASURE_RATIO_PRODUCT_ID_IS_ABSENT'));
                return false;
            }
            if (!isset($clearFields['RATIO']))
                $clearFields['RATIO'] = 1;
            if (!isset($clearFields['IS_DEFAULT']))
            {
                $row = null;
                if ((int)$clearFields['PRODUCT_ID'] > 0)
                {
                    $row = Catalog\MeasureRatioTable::getList(array(
                        'select' => array('ID'),
                        'filter' => array('=PRODUCT_ID' => $clearFields['PRODUCT_ID'], '=IS_DEFAULT' => 'Y')
                    ))->fetch();
                }
                $clearFields['IS_DEFAULT'] = (!empty($row) ? 'N' : 'Y');
                unset($row);
            }
        }
        if (isset($clearFields['PRODUCT_ID']))
        {
            $clearFields['PRODUCT_ID'] = (int)$clearFields['PRODUCT_ID'];
            if ($clearFields['PRODUCT_ID'] <= 0)
            {
                $APPLICATION->ThrowException(Loc::getMessage('CATALOG_MEASURE_RATIO_BAD_PRODUCT_ID'));
                return false;
            }
        }
        if (isset($clearFields['RATIO']))
        {
            if (is_string($clearFields['RATIO']))
                $clearFields['RATIO'] = str_replace(',', '.', $clearFields['RATIO']);
            $clearFields['RATIO'] = (float)$clearFields['RATIO'];
            if ($clearFields['RATIO'] <= CATALOG_VALUE_EPSILON)
                $clearFields['RATIO'] = 1;
        }
        if (isset($clearFields['IS_DEFAULT']))
            $clearFields['IS_DEFAULT'] = ($clearFields['IS_DEFAULT'] == 'Y' ? 'Y' : 'N');
        $arFields = $clearFields;
        unset($clearFields);
 
        return true;
    }

    public static function add($arFields)
    {
        if (!static::checkFields('ADD', $arFields))
            return false;
 
        $existRatio = Catalog\MeasureRatioTable::getList(array(
            'select' => array('ID'),
            'filter' => array('=PRODUCT_ID' => $arFields['PRODUCT_ID'], '=RATIO' => $arFields['RATIO'])
        ))->fetch();
        if (!empty($existRatio))
            return (int)$existRatio['ID'];
 
        $result = Catalog\MeasureRatioTable::add($arFields);
        if ($result->isSuccess())
            return (int)$result->getId();

        global $APPLICATION;
        $errorList = $result->getErrorMessages();
        if (!empty($errorList))
            $APPLICATION->ThrowException(implode(', ', $errorList));
        unset($errorList, $result);
        return false;
    }

    public static function update($id, $arFields)
    {
        global $APPLICATION;
 
        $id = (int)$id;
        if ($id <= 0 || !static::checkFields('UPDATE', $arFields))
            return false;
        if (empty($arFields))
            return $id;
 
        $existRatio = Catalog\MeasureRatioTable::getList(array(
            'select' => array('ID'),
            'filter' => array('!=ID' => $id, '=PRODUCT_ID' => $arFields['PRODUCT_ID'], '=RATIO' => $arFields['RATIO'])
        ))->fetch();
        if (!empty($existRatio))
        {
            $APPLICATION->ThrowException(Loc::getMessage(
                'CATALOG_MEASURE_RATIO_RATIO_ALREADY_EXIST',
                array('#RATIO#' => $arFields['RATIO'])
            ));
            return false;
        }
 
        $result = Catalog\MeasureRatioTable::update($id, $arFields);
        if ($result->isSuccess())
            return $id;
 
        $errorList = $result->getErrorMessages();
        if (!empty($errorList))
            $APPLICATION->ThrowException(implode(', ', $errorList));
        unset($errorList, $result);
        return false;
    }

    public static function delete($id)
    {
        $id = (int)$id;
        if ($id <= 0)
            return false;
 
        $result = Catalog\MeasureRatioTable::delete($id);
        if ($result->isSuccess())
            return true;

        global $APPLICATION;
        $errorList = $result->getErrorMessages();
        if (!empty($errorList))
            $APPLICATION->ThrowException(implode(', ', $errorList));
        unset($errorList, $result);
        return false;
    }
}