iblockrightschecker.php

<?php
 
namespace Bitrix\Iblock\Grid\Access;
 
use CIBlockElementRights;
use CIBlockRights;
use CIBlockSectionRights;
 
class IblockRightsChecker
{
    private int $iblockId;
    private array $elementsRights = [];
    private array $sectionsRights = [];
 
    public function __construct(int $iblockId)
    {
        $this->iblockId = $iblockId;
    }
 
    final protected function getIblockId(): int
    {
        return $this->iblockId;
    }
 
    public function preloadRights(array $elementIds, array $sectionIds): void
    {
        if (!empty($elementIds))
        {
            $rows = CIBlockElementRights::UserHasRightTo(
                $this->getIblockId(),
                $elementIds,
                '',
                CIBlockElementRights::RETURN_OPERATIONS
            );
            foreach ($rows as $elementId => $rights)
            {
                $this->elementsRights[$elementId] = $rights;
            }
        }
 
        if (!empty($elementIds))
        {
            $rows = CIBlockSectionRights::UserHasRightTo(
                $this->getIblockId(),
                $sectionIds,
                '',
                CIBlockSectionRights::RETURN_OPERATIONS
            );
            foreach ($rows as $sectionId => $rights)
            {
                $this->sectionsRights[$sectionId] = $rights;
            }
        }
    }
 
    protected function checkElementRight(int $elementId, string $right): bool
    {
        $cachedRights = $this->elementsRights[$elementId] ?? null;
        if (isset($cachedRights))
        {
            return isset($cachedRights[$right]);
        }
 
        return CIBlockElementRights::UserHasRightTo($this->getIblockId(), $elementId, $right);
    }
 
    protected function checkSectionRight(int $sectionId, string $right): bool
    {
        $cachedRights = $this->sectionsRights[$sectionId] ?? null;
        if ($cachedRights !== null)
        {
            return isset($cachedRights[$right]);
        }
 
        return CIBlockSectionRights::UserHasRightTo($this->getIblockId(), $sectionId, $right);
    }
 
    #region public api
 
    public function canAddElement(int $elementId): bool
    {
        return $this->checkElementRight($elementId, 'section_element_bind');
    }
 
    public function canEditElement(int $elementId): bool
    {
        return $this->checkElementRight($elementId, 'element_edit');
    }
 
    public function canEditElements(): bool
    {
        return CIBlockRights::UserHasRightTo($this->getIblockId(), $this->getIblockId(), 'element_edit');
    }
 
    public function canEditSection(int $sectionId): bool
    {
        return $this->checkSectionRight($sectionId, 'section_edit');
    }
 
    public function canDeleteElements(): bool
    {
        return CIBlockRights::UserHasRightTo($this->getIblockId(), $this->getIblockId(), 'element_delete');
    }
 
    public function canDeleteElement(int $elementId): bool
    {
        return $this->checkElementRight($elementId, 'element_delete');
    }
 
    public function canDeleteSection(int $sectionId): bool
    {
        return $this->checkSectionRight($sectionId, 'section_delete');
    }
 
    public function canBindElementToSection(int $sectionId): bool
    {
        return $this->checkSectionRight($sectionId, 'section_element_bind');
    }
 
    public function canBindSectionToSection(int $sectionId): bool
    {
        return $this->checkSectionRight($sectionId, 'section_section_bind');
    }
 
    #endregion public api
}