form.php

<?php
 
namespace Bitrix\Landing\Subtype;
 
use Bitrix\Crm\Integration\UserConsent;
use Bitrix\Crm\Settings\LeadSettings;
use Bitrix\Crm\UI\Webpack;
use Bitrix\Crm\WebForm;
use Bitrix\Landing\History;
use Bitrix\Landing\Landing;
use Bitrix\Landing\Block;
use Bitrix\Landing\Internals\BlockTable;
use Bitrix\Landing\Manager;
use Bitrix\Landing\Site;
use Bitrix\Main\Loader;
use Bitrix\Main\Localization\Loc;
use Bitrix\Socialservices\ApClient;
 
Loc::loadMessages(__FILE__);
 
class Form
{
    protected const ATTR_FORM_PARAMS = 'data-b24form';
    protected const ATTR_FORM_EMBED = 'data-b24form-embed';
    protected const ATTR_FORM_STYLE = 'data-b24form-design';
    protected const ATTR_FORM_USE_STYLE = 'data-b24form-use-style';
    protected const ATTR_FORM_FROM_CONNECTOR = 'data-b24form-connector';
    protected const ATTR_FORM_OLD_DOMAIN = 'data-b24form-original-domain';
    protected const ATTR_FORM_OLD_HEADER = 'data-b24form-show-header';
    protected const SELECTOR_FORM_NODE = '.bitrix24forms';
    protected const SELECTOR_OLD_STYLE_NODE = '.landing-block-form-styles';
    protected const STYLE_SETTING = 'crm-form';
    protected const REGEXP_FORM_STYLE = '/data-b24form-design *= *[\'"](\{.+\})[\'"]/i';
    protected const REGEXP_FORM_ID_INLINE = '/data-b24form=["\']#crmFormInline(?<id>[\d]+)["\']/i';
 
    public const INLINE_MARKER_PREFIX = '#crmFormInline';
    public const POPUP_MARKER_PREFIX = '#crmFormPopup';
 
    protected const AVAILABLE_FORM_FIELDS = [
        'ID',
        'NAME',
        'SECURITY_CODE',
        'IS_CALLBACK_FORM',
        'ACTIVE',
        'XML_ID',
    ];
 
    private static array $errors = [];
 
    // region replaces for view and public
 
    public static function prepareFormsToPublication(string $content): string
    {
        // change - replace markers always, not only if connector
        return self::replaceFormMarkers($content);
    }
 
    public static function prepareFormsToView(string $content): string
    {
        if (self::isCrm())
        {
            $content = self::replaceFormMarkers($content);
        }
        return $content;
    }
 
    protected static function replaceFormMarkers(string $content): string
    {
        $replace = preg_replace_callback(
            '/(?<pre><a[^>]+href=|data-b24form=)["\'](form:)?#crmForm(?<type>Inline|Popup)(?<id>[\d]+)["\']/i',
            static function ($matches)
            {
                $id = (int)$matches['id'];
                if (!$id)
                {
                    return $matches[0];
                }
 
                $form = self::getFormById($id);
                if (!$form || !$form['URL'])
                {
                    return $matches[0];
                }
 
                if (strtolower($matches['type']) === 'inline')
                {
                    $param = "{$form['ID']}|{$form['SECURITY_CODE']}|{$form['URL']}";
 
                    return $matches['pre'] . "\"{$param}\"";
                }
 
                if (strtolower($matches['type']) === 'popup')
                {
                    $script = "<script data-b24-form=\"click/{$id}/{$form['SECURITY_CODE']}\" data-skip-moving=\"true\">
                                (function(w,d,u){
                                    var s=d.createElement('script');s.async=true;s.src=u+'?'+(Date.now()/180000|0);
                                    var h=d.getElementsByTagName('script')[0];h.parentNode.insertBefore(s,h);
                                })(window,document,'{$form['URL']}');
                            </script>";
 
                    return $script . $matches['pre'] . "\"#\" onclick=\"BX.PreventDefault();\"";
                }
 
                return $matches[0];
            },
            $content
        );
 
        $replace = $replace ?? $content;
 
        //replace link to form in data-pseudo-url
        $replace = preg_replace_callback(
            '/(?<pre><img|<i.*)data-pseudo-url="{.*(form:)?#crmForm(?<type>Inline|Popup)(?<id>[\d]+).*}"(?<pre2>.*>)/i',
            static function ($matches)
            {
                if (
                    !(int)$matches['id']
                    || !($form = self::getFormById((int)$matches['id']))
                )
                {
                    return $matches[0];
                }
 
                if (strtolower($matches['type']) === 'popup')
                {
                    $script = "<script data-b24-form=\"click/{$matches['id']}/{$form['SECURITY_CODE']}\" data-skip-moving=\"true\">
                                (function(w,d,u){
                                    var s=d.createElement('script');s.async=true;s.src=u+'?'+(Date.now()/180000|0);
                                    var h=d.getElementsByTagName('script')[0];h.parentNode.insertBefore(s,h);
                                })(window,document,'{$form['URL']}');
                            </script>";
 
                    //add class g-cursor-pointer
                    preg_match_all('/(class="[^"]*)/i', $matches['pre'], $matchesPre);
                    $matches['pre'] = str_replace($matchesPre[1][0], $matchesPre[1][0]. ' g-cursor-pointer', $matches['pre']);
 
                    return $script . $matches['pre'] . ' '. $matches['pre2'];
                }
 
                return $matches[0];
            },
            $replace
        );
 
        return $replace ?? $content;
    }
 
    public static function clearCache(): void
    {
        $sites = [];
        $res = BlockTable::getList(
            [
                'select' => [
                    'SITE_ID' => 'LANDING.SITE_ID',
                ],
                'filter' => [
                    '=LANDING.ACTIVE' => 'Y',
                    '=LANDING.SITE.ACTIVE' => 'Y',
                    '=PUBLIC' => 'Y',
                    '=DELETED' => 'N',
                    'CONTENT' => '%bitrix24forms%',
                ],
                'group' => [
                    'LANDING.SITE_ID',
                ],
            ]
        );
        while ($row = $res->fetch())
        {
            if (!in_array($row['SITE_ID'], $sites))
            {
                $sites[] = $row['SITE_ID'];
            }
        }
 
        foreach ($sites as $site)
        {
            Site::update($site, [
                'DATE_MODIFY' => false
            ]);
        }
    }
    // endregion
 
    // region get forms
    public static function getForms(bool $force = false): array
    {
        static $forms = [];
        if ($forms && !$force)
        {
            return $forms;
        }
 
        if (self::isCrm())
        {
            $forms = self::getFormsForPortal();
        }
        elseif (Manager::isB24Connector())
        {
            $forms = self::getFormsViaConnector();
        }
 
        return $forms;
    }
 
    protected static function isCrm(): bool
    {
        return Loader::includeModule('crm');
    }
 
    protected static function getFormsForPortal(array $filter = []): array
    {
        $res = Webform\Internals\FormTable::getDefaultTypeList(
            [
                'select' => self::AVAILABLE_FORM_FIELDS,
                'filter' => $filter,
                'order' => [
                    'ID' => 'ASC',
                ],
            ]
        );
 
        $forms = [];
        while ($form = $res->fetch())
        {
            $form['ID'] = (int)$form['ID'];
            $webpack = Webpack\Form::instance($form['ID']);
            if (!$webpack->isBuilt())
            {
                $webpack->build();
                $webpack = Webpack\Form::instance($form['ID']);
            }
            $form['URL'] = $webpack->getEmbeddedFileUrl();
            $forms[$form['ID']] = $form;
        }
 
        return $forms;
    }
 
    protected static function getFormsViaConnector(): array
    {
        $forms = [];
        $client = ApClient::init();
        if ($client)
        {
            $res = $client->call('crm.webform.list', ['GET_INACTIVE' => 'Y']);
            if (isset($res['result']) && is_array($res['result']))
            {
                foreach ($res['result'] as $form)
                {
                    $form['ID'] = (int)$form['ID'];
                    $forms[$form['ID']] = $form;
                }
            }
            else if (isset($res['error']))
            {
                self::$errors[] = [
                    'code' => $res['error'],
                    'message' => $res['error_description'] ?? $res['error'],
                ];
            }
        }
 
        return $forms;
    }
 
    public static function getFormById(int $id): array
    {
        $forms = self::getFormsByFilter(['ID' => $id]);
 
        return !empty($forms) ? array_shift($forms) : [];
    }
 
    public static function getCallbackForms(): array
    {
        return self::getFormsByFilter(['IS_CALLBACK_FORM' => 'Y', 'ACTIVE' => 'Y']);
    }
 
    protected static function getFormsByFilter(array $filter): array
    {
        $filter = array_filter(
            $filter,
            static function ($key)
            {
                return in_array($key, self::AVAILABLE_FORM_FIELDS, true);
            },
            ARRAY_FILTER_USE_KEY
        );
        $forms = [];
 
        if (self::isCrm())
        {
            $forms = self::getFormsForPortal($filter);
        }
        elseif (Manager::isB24Connector())
        {
            foreach (self::getFormsViaConnector() as $form)
            {
                $filtred = true;
                foreach ($filter as $key => $value)
                {
                    if (!$form[$key] || $form[$key] !== $value)
                    {
                        $filtred = false;
                        break;
                    }
                }
                if ($filtred)
                {
                    $forms[$form['ID']] = $form;
                }
            }
        }
 
        return $forms;
    }
 
    // endregion
 
    // region prepare manifest
    public static function prepareManifest(array $manifest, Block $block = null, array $params = []): array
    {
        // add extension
        if (!isset($manifest['assets']) || !is_array($manifest['assets']))
        {
            $manifest['assets'] = [];
        }
        if (!isset($manifest['assets']['ext']))
        {
            $manifest['assets']['ext'] = [];
        }
        if (!is_array($manifest['assets']['ext']))
        {
            $manifest['assets']['ext'] = [$manifest['assets']['ext']];
        }
        if (!in_array('landing_form', $manifest['assets']['ext'], true))
        {
            $manifest['assets']['ext'][] = 'landing_form';
        }
 
        // style setting
        if (
            !isset($manifest['style']['block']) && !isset($manifest['style']['nodes'])
        )
        {
            $manifest['style'] = [
                'block' => ['type' => Block::DEFAULT_WRAPPER_STYLE],
                'nodes' => $manifest['style'] ?? [],
            ];
        }
        $manifest['style']['nodes'][self::SELECTOR_FORM_NODE] = [
            'type' => self::STYLE_SETTING,
        ];
 
        if (Manager::isB24())
        {
            $link = '/crm/webform/';
        }
        else if (Manager::isB24Connector())
        {
            $link = '/bitrix/admin/b24connector_crm_forms.php?lang=' . LANGUAGE_ID;
        }
        if (isset($link))
        {
            $manifest['block']['attrsFormDescription'] = '<a href="' . $link . '" target="_blank">' .
                Loc::getMessage('LANDING_BLOCK_FORM_CONFIG') .
                '</a>';
        }
 
        // add callbacks
        $manifest['callbacks'] = [
            'afterAdd' => function (Block &$block)
            {
                $historyActivity = History::isActive();
                History::deactivate();
 
                $dom = $block->getDom();
                if (!($node = $dom->querySelector(self::SELECTOR_FORM_NODE)))
                {
                    return;
                }
 
                $attrsToSet = [self::ATTR_FORM_EMBED => ''];
                if (!self::isCrm())
                {
                    $attrsToSet[self::ATTR_FORM_FROM_CONNECTOR] = 'Y';
                }
 
                // if block copy - not update params
                if (
                    ($attrsExists = $node->getAttributes())
                    && isset($attrsExists[self::ATTR_FORM_PARAMS])
                    && $attrsExists[self::ATTR_FORM_PARAMS]
                    && $attrsExists[self::ATTR_FORM_PARAMS]->getValue()
                )
                {
                    $attrsToSet[self::ATTR_FORM_PARAMS] = $attrsExists[self::ATTR_FORM_PARAMS]->getValue();
                }
                else
                {
                    // try to get 1) default callback form 2) last added form 3) create new form
                    $forms = self::getFormsByFilter([
                        'XML_ID' => 'crm_preset_fb'
                    ]);
                    $forms = self::prepareFormsToAttrs($forms);
                    if (empty($forms))
                    {
                        $forms = self::getForms(true);  // force to preserve cycle when create form landing block
                        $forms = self::prepareFormsToAttrs($forms);
                        if (empty($forms))
                        {
                            $forms = self::createDefaultForm();
                            $forms = self::prepareFormsToAttrs($forms);
                        }
                    }
 
                    if (!empty($forms))
                    {
                        self::setFormIdParam(
                            $block,
                            str_replace(self::INLINE_MARKER_PREFIX, '', $forms[0]['value'])
                        );
                    }
                }
 
                // preload alert
                $node->setInnerHTML(
                    '<div class="g-landing-alert">'
                    . Loc::getMessage('LANDING_BLOCK_WEBFORM_PRELOADER')
                    . '</div>'
                );
                $block->saveContent($dom->saveHTML());
 
                // save
                $block->setAttributes([self::SELECTOR_FORM_NODE => $attrsToSet]);
                $block->save();
 
                $historyActivity ? History::activate() : History::deactivate();
            },
        ];
 
        // add attrs
        if (
            !array_key_exists('attrs', $manifest)
            || !is_array($manifest['attrs'])
        )
        {
            $manifest['attrs'] = [];
        }
 
        // hard operation getAttrs is only FOR EDITOR, in public set fake array for saveAttributes later
        $manifest['attrs'][self::SELECTOR_FORM_NODE] =
            Landing::getEditMode()
                ? self::getAttrs()
                : [['attribute' => self::ATTR_FORM_PARAMS]];
 
        return $manifest;
    }
 
    protected static function getAttrs(): array
    {
        static $attrs = [];
        if ($attrs)
        {
            return $attrs;
        }
 
        // get from CRM or via connector
        $forms = self::getForms();
        $forms = self::prepareFormsToAttrs($forms);
 
        $attrs = [
            $attrs[] = [
                'name' => 'Embed form flag',
                'attribute' => self::ATTR_FORM_EMBED,
                'type' => 'string',
                'hidden' => true,
            ],
            [
                'name' => 'Form design',
                'attribute' => self::ATTR_FORM_STYLE,
                'type' => 'string',
                'hidden' => true,
            ],
            [
                'name' => 'Form from connector flag',
                'attribute' => self::ATTR_FORM_FROM_CONNECTOR,
                'type' => 'string',
                'hidden' => true,
            ],
        ];
 
        if (!empty($forms))
        {
            // get forms list
            $attrs[] = [
                'name' => Loc::getMessage('LANDING_BLOCK_WEBFORM'),
                'attribute' => self::ATTR_FORM_PARAMS,
                'items' => $forms,
                'type' => 'list',
            ];
            // show header
            // use custom design
            $attrs[] = [
                'name' => Loc::getMessage('LANDING_BLOCK_WEBFORM_USE_STYLE'),
                'attribute' => self::ATTR_FORM_USE_STYLE,
                'type' => 'list',
                'items' => [
                    [
                        'name' => Loc::getMessage('LANDING_BLOCK_WEBFORM_USE_STYLE_Y'),
                        'value' => 'Y',
                    ],
                    [
                        'name' => Loc::getMessage('LANDING_BLOCK_WEBFORM_USE_STYLE_N'),
                        'value' => 'N',
                    ],
                ],
            ];
        }
        // no form - no settings, just message for user
        else
        {
            $attrs[] = [
                'name' => Loc::getMessage('LANDING_BLOCK_WEBFORM'),
                'attribute' => self::ATTR_FORM_PARAMS,
                'type' => 'list',
                'items' => !empty(self::$errors)
                    ? array_map(fn ($item) => ['name' => $item['message'], 'value' => false], self::$errors)
                    : [[
                        'name' => Loc::getMessage('LANDING_BLOCK_WEBFORM_NO_FORM'),
                        'value' => false,
                    ]],
            ];
        }
 
        return $attrs;
    }
 
    protected static function prepareFormsToAttrs(array $forms): array
    {
        $sorted = [];
        foreach ($forms as $form)
        {
            if (array_key_exists('ACTIVE', $form) && $form['ACTIVE'] !== 'Y')
            {
                continue;
            }
 
            $item = [
                'name' => $form['NAME'],
                'value' => self::INLINE_MARKER_PREFIX . $form['ID'],
            ];
 
            if ($form['IS_CALLBACK_FORM'] === 'Y')
            {
                $sorted[] = $item;
            }
            else
            {
                array_unshift($sorted, $item);
            }
        }
 
        return $sorted;
    }
    // endregion
 
    // region actions with blocks and forms
    public static function getLandingFormBlocks($landingIds): array
    {
        if (empty($landingIds))
        {
            return [];
        }
 
        if (!is_array($landingIds))
        {
            $landingIds = [$landingIds];
        }
 
        return BlockTable::getList(
            [
                'select' => ['ID', 'LID'],
                'filter' => [
                    '=LID' => $landingIds,
                    '=DELETED' => 'N',
                    'CONTENT' => '%data-b24form=%',
                ],
            ]
        )->fetchAll()
            ;
    }
 
    public static function getFormByBlock(int $blockId): ?int
    {
        $block = new Block($blockId);
        if (preg_match(self::REGEXP_FORM_ID_INLINE, $block->getContent(), $matches))
        {
            return (int)$matches[1];
        }
        return null;
    }
 
    public static function setFormIdToBlock(int $blockId, int $formId): bool
    {
        $block = new Block($blockId);
        self::setFormIdParam($block, $formId);
        $block->save();
 
        return $block->getError()->isEmpty();
    }
 
    protected static function setFormIdParam(Block $block, int $formId): void
    {
        if (($form = self::getFormById($formId)))
        {
            // todo: can add force public flag for replaces, when we know exactly that block is public
            $newParam = self::INLINE_MARKER_PREFIX . $form['ID'];
 
            $block->setAttributes([
                self::SELECTOR_FORM_NODE => [self::ATTR_FORM_PARAMS => $newParam],
            ]);
        }
    }
 
    protected static function createDefaultForm(): array
    {
        if ($formId = self::createForm([]))
        {
            return self::getFormsByFilter(['ID' => $formId]);
        }
 
        return [];
    }
 
    protected static function createForm(array $formData): ?int
    {
        if (self::isCrm())
        {
            $form = new WebForm\Form;
 
            $defaultData = WebForm\Preset::getById('crm_preset_cd');
 
            $defaultData['XML_ID'] = '';
            $defaultData['ACTIVE'] = 'Y';
            $defaultData['IS_SYSTEM'] = 'N';
            $defaultData['IS_CALLBACK_FORM'] = 'N';
            $defaultData['BUTTON_CAPTION'] = $form->getButtonCaption();
 
            $agreementId = UserConsent::getDefaultAgreementId();
            $defaultData['USE_LICENCE'] = $agreementId ? 'Y' : 'N';
            if ($agreementId)
            {
                $defaultData['LICENCE_BUTTON_IS_CHECKED'] = 'Y';
                $defaultData['AGREEMENT_ID'] = $agreementId;
            }
 
            $isLeadEnabled = LeadSettings::getCurrent()->isEnabled();
            $defaultData['ENTITY_SCHEME'] = (string)(
            $isLeadEnabled
                ? WebForm\Entity::ENUM_ENTITY_SCHEME_LEAD
                : WebForm\Entity::ENUM_ENTITY_SCHEME_DEAL
            );
 
            $currentUserId = is_object($GLOBALS['USER']) ? $GLOBALS['USER']->getId() : null;
            $defaultData['ACTIVE_CHANGE_BY'] = $currentUserId;
            $defaultData['ASSIGNED_BY_ID'] = $currentUserId;
 
            $formData = array_merge($defaultData, $formData);
            $form->merge($formData);
            $form->save();
 
            return !$form->hasErrors() ? $form->getId() : null;
        }
 
        return null;
    }
 
    public static function setSpecialFormToBlock(Block $block, string $xmlId): void
    {
        if (($formData = self::getSpecialFormsData()[$xmlId]))
        {
            $formId = null;
            foreach (self::getForms() as $form)
            {
                if (
                    array_key_exists('XML_ID', $form)
                    && $form['XML_ID'] === $xmlId
                )
                {
                    $formId = $form['ID'];
                    break;
                }
            }
 
            if (!$formId)
            {
                $formId = self::createForm($formData);
            }
 
            if ($formId)
            {
                self::setFormIdParam($block, $formId);
                $block->save();
            }
        }
    }
 
    protected static function getSpecialFormsData(): ?array
    {
        if (self::isCrm())
        {
            $data = [
                'crm_preset_store_v3' => [
                    'XML_ID' => 'crm_preset_store_v3',
                    'NAME' => Loc::getMessage('LANDING_FORM_SPECIAL_STOREV3_NAME'),
                    'IS_SYSTEM' => 'N',
                    'ACTIVE' => 'Y',
                    'RESULT_SUCCESS_TEXT' => Loc::getMessage('LANDING_FORM_SPECIAL_STOREV3_RESULT_SUCCESS'),
                    'RESULT_FAILURE_TEXT' => Loc::getMessage('LANDING_FORM_SPECIAL_STOREV3_RESULT_FAILURE'),
                    'COPYRIGHT_REMOVED' => 'N',
                    'IS_PAY' => 'N',
                    'FORM_SETTINGS' => [
                        'DEAL_DC_ENABLED' => 'Y',
                    ],
                    'BUTTON_CAPTION' => '',
                    'FIELDS' => [
                        [
                            'TYPE' => 'string',
                            'CODE' => 'CONTACT_NAME',
                            'CAPTION' => Loc::getMessage('LANDING_FORM_SPECIAL_STOREV3_FIELD_NAME'),
                            'SORT' => 100,
                            'REQUIRED' => 'N',
                            'MULTIPLE' => 'N',
                            'PLACEHOLDER' => '',
                        ],
                        [
                            'TYPE' => 'phone',
                            'CODE' => 'CONTACT_PHONE',
                            'CAPTION' => Loc::getMessage('LANDING_FORM_SPECIAL_STOREV3_FIELD_PHONE'),
                            'SORT' => 200,
                            'REQUIRED' => 'N',
                            'MULTIPLE' => 'N',
                            'PLACEHOLDER' => '',
                        ],
                        [
                            'TYPE' => 'text',
                            'CODE' => 'DEAL_COMMENTS',
                            'CAPTION' => Loc::getMessage('LANDING_FORM_SPECIAL_STOREV3_FIELD_COMMENT'),
                            'SORT' => 300,
                            'REQUIRED' => 'N',
                            'MULTIPLE' => 'N',
                            'PLACEHOLDER' => '',
                        ],
                    ],
                ],
            ];
 
            $isLeadEnabled = LeadSettings::getCurrent()->isEnabled();
 
            foreach ($data as $id => $form)
            {
                if ($isLeadEnabled)
                {
                    foreach ($data[$id]['FIELDS'] as $key => $field)
                    {
                        $field['CODE'] = str_replace(['CONTACT', 'DEAL'], 'LEAD', $field['CODE']);
                        $data[$id]['FIELDS'][$key] = $field;
                    }
                }
            }
 
            return $data;
        }
 
        return null;
    }
 
    // endregion
 
    // region update
    public static function updateLandingToEmbedForms(int $landingId): void
    {
        $res = BlockTable::getList(
            [
                'select' => [
                    'ID',
                ],
                'filter' => [
                    'LID' => $landingId,
                    '=DELETED' => 'N',
                ],
            ]
        );
        while ($row = $res->fetch())
        {
            $block = new Block($row['ID']);
            self::updateBlockToEmbed($block);
        }
    }
 
    protected static function updateBlockToEmbed(Block $block): void
    {
        // check if update needed
        $manifest = $block->getManifest();
        if (
            !$manifest['block']['subtype']
            || (!is_array($manifest['block']['subtype']) && $manifest['block']['subtype'] !== 'form')
            || (is_array($manifest['block']['subtype']) && !in_array('form', $manifest['block']['subtype'], true))
        )
        {
            return;
        }
        $dom = $block->getDom();
        if (
            !($resultNode = $dom->querySelector(self::SELECTOR_FORM_NODE))
            || !($attrs = $resultNode->getAttributes())
            || !array_key_exists(self::ATTR_FORM_PARAMS, $attrs))
        {
            return;
        }
        $formParams = explode('|', $attrs[self::ATTR_FORM_PARAMS]->getValue());
        if (count($formParams) !== 2 || !(int)$formParams[0])
        {
            return;
        }
 
        // update
        $forms = self::getForms();
        if (array_key_exists($formParams[0], $forms))
        {
            $form = $forms[$formParams[0]];
            self::setFormIdParam($block, $form['ID']);
            $resultNode->setAttribute(self::ATTR_FORM_EMBED, '');
            $resultNode->removeAttribute(self::ATTR_FORM_OLD_DOMAIN);
            $resultNode->removeAttribute(self::ATTR_FORM_OLD_HEADER);
 
            if (
                !array_key_exists(self::ATTR_FORM_STYLE, $attrs)
                || !$attrs[self::ATTR_FORM_STYLE]->getValue()
            )
            {
                // find new styles
                $contentFromRepo = Block::getContentFromRepository($block->getCode());
                if (
                    $contentFromRepo
                    && preg_match(self::REGEXP_FORM_STYLE, $contentFromRepo, $style)
                )
                {
                    $resultNode->setAttribute(self::ATTR_FORM_STYLE, $style[1]);
                }
            }
        }
 
        if (($oldStyleNode = $dom->querySelector(self::SELECTOR_OLD_STYLE_NODE)))
        {
            $oldStyleNode->getParentNode()->removeChild($oldStyleNode);
        }
 
        $block->saveContent($dom->saveHTML());
        $block->save();
    }
 
    public static function getOriginalFormDomain(): string
    {
        trigger_error(
            "Now using embedded forms, no need domain",
            E_USER_WARNING
        );
 
        return '';
    }
    // endregion
}