vat.php

<?php
namespace Bitrix\Catalog;
 
use Bitrix\Main\Localization\Loc;
use Bitrix\Main\ORM;
use Bitrix\Main\Type;
 
class VatTable extends ORM\Data\DataManager
{
    public static function getTableName(): string
    {
        return 'b_catalog_vat';
    }
 
    public static function getMap(): array
    {
        return [
            'ID' => new ORM\Fields\IntegerField(
                'ID',
                [
                    'primary' => true,
                    'autocomplete' => true,
                    'title' => Loc::getMessage('VAT_ENTITY_ID_FIELD'),
                ]
            ),
            'TIMESTAMP_X' => new ORM\Fields\DatetimeField(
                'TIMESTAMP_X',
                [
                    'required' => true,
                    'default_value' => function()
                    {
                        return new Type\DateTime();
                    },
                    'title' => Loc::getMessage('VAT_ENTITY_TIMESTAMP_X_FIELD'),
                ]
            ),
            'ACTIVE' => new ORM\Fields\BooleanField(
                'ACTIVE',
                [
                    'values' => [
                        'N',
                        'Y',
                    ],
                    'default_value' => 'Y',
                    'title' => Loc::getMessage('VAT_ENTITY_ACTIVE_FIELD'),
                ]
            ),
            'SORT' => new ORM\Fields\IntegerField(
                'SORT',
                [
                    'column_name' => 'C_SORT',
                    'default_value' => 100,
                    'title' => Loc::getMessage('VAT_ENTITY_SORT_FIELD'),
                ]
            ),
            'NAME' => new ORM\Fields\StringField(
                'NAME',
                [
                    'required' => true,
                    'validation' => function()
                    {
                        return [
                            new ORM\Fields\Validators\LengthValidator(null, 50),
                        ];
                    },
                    'title' => Loc::getMessage('VAT_ENTITY_NAME_FIELD'),
                ]
            ),
            'RATE' => new ORM\Fields\FloatField(
                'RATE',
                [
                    'nullable' => true,
                    'title' => Loc::getMessage('VAT_ENTITY_RATE_FIELD'),
                ]
            ),
            'EXCLUDE_VAT' => new ORM\Fields\BooleanField(
                'EXCLUDE_VAT',
                [
                    'values' => [
                        'N',
                        'Y',
                    ],
                    'default_value' => 'N',
                    'title' => Loc::getMessage('VAT_ENTITY_ACTIVE_FIELD'),
                ]
            ),
            'XML_ID' => new ORM\Fields\StringField(
                'XML_ID',
                [
                    'required' => false,
                    'validation' => function()
                    {
                        return [
                            new ORM\Fields\Validators\LengthValidator(null, 255),
                        ];
                    },
                    'title' => Loc::getMessage('VAT_ENTITY_XML_ID_FIELD'),
                ]
            ),
        ];
    }
 
    public static function onBeforeAdd(ORM\Event $event): ORM\EventResult
    {
        $result = new ORM\EventResult;
        $fields = $event->getParameter('fields');
 
        if (isset($fields['EXCLUDE_VAT']) && $fields['EXCLUDE_VAT'] === 'Y')
        {
            if (static::isExistsExcludeVat())
            {
                $result->addError(
                    new ORM\EntityError(Loc::getMessage('VAT_ENTITY_ERR_EXCLUDE_VAT_ALREADY_EXISTS'))
                );
 
                return $result;
            }
 
            $result->modifyFields([
                'RATE' => null,
            ]);
        }
 
        return $result;
    }
 
    public static function onBeforeUpdate(ORM\Event $event): ORM\EventResult
    {
        $result = new ORM\EventResult;
        $fields = $event->getParameter('fields');
 
        if (isset($fields['EXCLUDE_VAT']) && $fields['EXCLUDE_VAT'] === 'Y')
        {
            $id = (int)$event->getParameter('primary')['ID'];
 
            $excludeId = static::getExcludeVatId();
 
            if ($excludeId !== null && $excludeId !== $id)
            {
                $result->addError(
                    new ORM\EntityError(Loc::getMessage('VAT_ENTITY_ERR_EXCLUDE_VAT_ALREADY_EXISTS'))
                );
 
                return $result;
            }
 
            $result->modifyFields([
                'RATE' => null,
            ]);
        }
 
        return $result;
    }
 
    public static function getActiveVatIdByRate(float $rate, bool $create = false): ?int
    {
        if ($rate < 0 || $rate > 100)
        {
            return null;
        }
        $row = static::getList([
            'select' => [
                'ID',
            ],
            'filter' => [
                '=ACTIVE' => 'Y',
                '=RATE' => $rate,
            ],
        ])->fetch();
        if (!empty($row))
        {
            return (int)$row['ID'];
        }
 
        if ($create)
        {
            $result = static::add([
                'ACTIVE' => 'Y',
                'NAME' => $rate . '%',
                'RATE' => $rate,
            ]);
 
            return $result->isSuccess() ? (int)$result->getId() : null;
        }
 
        return null;
    }
 
    public static function isExistsExcludeVat(): bool
    {
        return (static::getExcludeVatId() !== null);
    }
 
    public static function getExcludeVatId(): ?int
    {
        $iterator = static::getList([
            'select' => [
                'ID',
            ],
            'filter' => [
                '=EXCLUDE_VAT' => 'Y',
            ],
            'limit' => 1,
        ]);
        $row = $iterator->fetch();
        unset($iterator);
 
        return (!empty($row) ? (int)$row['ID'] : null);
    }
}