FieldSet::loadAction

public function loadAction(int $entityTypeId, int $entityId, ?int $presetId = null): array
{
	$item = Crm\Integration\Sign\Form::getFieldSet($entityTypeId, $presetId);
	if (!$item)
	{
		$this->addError(new Main\Error(Loc::getMessage('CRM_CONTROLLER_FIELDSET_NOT_FOUND', ['#ENTITY_TYPE#' => $entityTypeId])));
		return [];
	}

	$fields = [];
	$values = Crm\Integration\Sign\Form::getFieldSetValues(
		$entityTypeId,
		$entityId,
		['appendExtended' => true],
		$presetId
	);

	$rqId = (int)($values['extended']['requisiteId'] ?? 0);
	$presetId = (int)($values['extended']['presetId'] ?? 0) ?: $item->getRequisitePresetId();
	$title = $values['extended']['title'] ?? '';
	unset($values['extended']);

	if (!$title)
	{
		switch ($entityTypeId)
		{
			case \CCrmOwnerType::Company:
				$title = Crm\CompanyTable::query()
					->setSelect(['TITLE'])
					->where('ID', $entityId)
					->setLimit(1)
					->fetch()['TITLE']
				;
				break;

			case \CCrmOwnerType::Contact:
				$row = Crm\ContactTable::query()
					->setSelect(['NAME', 'LAST_NAME'])
					->where('ID', $entityId)
					->setLimit(1)
					->fetch()
				;
				if ($row)
				{
					$title = trim(str_replace(
						['#NAME#', '#LAST_NAME#'],
						[$row['NAME'], $row['LAST_NAME']],
						Main\Context::getCurrent()->getCulture()->getFormatName()
					));
				}
				break;
		}
	}

	$rqEditUrl = "/bitrix/components/bitrix/crm.requisite.details/slider.ajax.php"
		. "?requisite_id={$rqId}"
		. "&pid={$presetId}"
		. "&etype={$entityTypeId}"
		. "&eid={$entityId}"
		. "&mode=" . ($rqId ? 'edit' : 'create')
		. "&doSave=Y"
		. "&" . bitrix_sessid_get()
	;

	foreach ($item->getFields() as $field)
	{
		$name = $field['name'];
		$value = $values[$name] ?? '';
		$field['value'] = $value;
		$field['valuePrintable'] = $value;
		$fieldEntityTypeId = $field['editing']['entityTypeId'];

		if (!$fieldEntityTypeId)
		{
			continue;
		}

		$field['editing']['url'] =
			($fieldEntityTypeId === \CCrmOwnerType::Requisite)
				? $rqEditUrl
				: Crm\Service\Container::getInstance()->getRouter()->getItemDetailUrl($fieldEntityTypeId, $entityId)
		;

		$fields[] = $field;
	}

	return [
		'id' => $item->getId(),
		'title' => $title,
		'fields' => $fields,
	];
}