binding.php

<?php
namespace Bitrix\Landing\Chat;
 
use \Bitrix\Landing\Block\Cache;
 
class Binding extends \Bitrix\Landing\Internals\BaseTable
{
    const BINDING_TYPE_BLOCK = 'B';
 
    public static $internalClass = 'ChatBindingTable';
 
    public static function clearCache(int $chatId): void
    {
        $res = self::getList([
            'select' => [
                'ENTITY_ID'
            ],
            'filter' => [
                'INTERNAL_CHAT_ID' => $chatId,
                '=ENTITY_TYPE' => self::BINDING_TYPE_BLOCK
            ]
        ]);
        while ($row = $res->fetch())
        {
            Cache::clear($row['ENTITY_ID']);
        }
    }
 
    public static function bindingBlock(int $chatId, int $blockId): void
    {
        $res = self::getList([
            'select' => [
                'ID'
            ],
            'filter' => [
                'INTERNAL_CHAT_ID' => $chatId,
                'ENTITY_ID' => $blockId,
                '=ENTITY_TYPE' => self::BINDING_TYPE_BLOCK
            ]
        ]);
        if (!$res->fetch())
        {
            self::add([
                'INTERNAL_CHAT_ID' => $chatId,
                'ENTITY_ID' => $blockId,
                'ENTITY_TYPE' => self::BINDING_TYPE_BLOCK
            ]);
        }
    }
 
    public static function unbindingBlock(int $blockId): void
    {
        $res = self::getList([
            'select' => [
                'ID'
            ],
            'filter' => [
                'ENTITY_ID' => $blockId,
                '=ENTITY_TYPE' => self::BINDING_TYPE_BLOCK
            ]
        ]);
        while ($row = $res->fetch())
        {
            self::delete($row['ID']);
        }
    }
}