chat.php

<?php
namespace Bitrix\Landing\DataLoader;
 
use \Bitrix\Landing\Block\Cache;
use \Bitrix\Landing\Manager;
use \Bitrix\Main\Localization\Loc;
 
Loc::loadMessages(__FILE__);
 
class Chat extends \Bitrix\Landing\Source\DataLoader
{
    const CHAT_TYPE_PERSONAL = 'private';
 
    const CHAT_TYPE_GROUP = 'group';
 
    protected function getInitData(): array
    {
        if (!\Bitrix\Main\Loader::includeModule('im'))
        {
            return [];
        }
 
        $return = [];
        $blockSave = false;
        $type = null;
        $filter = $this->getSettingsValue('additional');
        $block = $this->getOptionsValue('block');
        $dom = $block->getDom();
 
        // chat type
        if (
            isset($filter['type']) &&
            is_string($filter['type'])
        )
        {
            $type = mb_strtolower(trim($filter['type']));
        }
 
        // ID of user chat or local ID of group chat
        if (
            isset($filter['attributeData']) &&
            is_string($filter['attributeData']) &&
            mb_strpos($filter['attributeData'], '@')
        )
        {
            [$attrSelector, $attrCode] = explode('@', $filter['attributeData']);
            $attrCode = mb_strtolower($attrCode);
            $resultNode = $dom->querySelector($attrSelector);
            if ($resultNode)
            {
                if ($type == self::CHAT_TYPE_PERSONAL)
                {
                    $return['CHAT_ID'] = (int) $resultNode->getAttribute($attrCode);
                    // by default we set current user id
                    if (!$return['CHAT_ID'])
                    {
                        $return['CHAT_ID'] = Manager::getUserId();
                        $resultNode->setAttribute($attrCode, $return['CHAT_ID']);
                        $blockSave = true;
                    }
                }
                else if ($type == self::CHAT_TYPE_GROUP)
                {
                    $return['CHAT_ID'] = trim($resultNode->getAttribute($attrCode));
                    // create new one
                    if (preg_match('/[^\d]+/', $return['CHAT_ID']))
                    {
                        $chantEntity = json_decode(htmlspecialcharsback($return['CHAT_ID']), true);
                        if (is_array($chantEntity))
                        {
                            if (isset($chantEntity['ID']))
                            {
                                $chatId = $chantEntity['ID'];
                                unset($chantEntity['ID']);
                                $res = \Bitrix\Landing\Chat\Chat::update(
                                    $chatId,
                                    $chantEntity
                                );
                            }
                            else
                            {
                                $res = \Bitrix\Landing\Chat\Chat::add(
                                    $chantEntity
                                );
                            }
                            if ($res->isSuccess())
                            {
                                $return['CHAT_ID'] = $res->getId();
                                $resultNode->setAttribute(
                                    $attrCode, $return['CHAT_ID']
                                );
                                $blockSave = true;
                            }
                        }
                    }
                    else if (!$return['CHAT_ID'])
                    {
                        unset($return['CHAT_ID']);
                    }
                    $return['CHAT_ID'] = (int)$return['CHAT_ID'];
                    if ($return['CHAT_ID'])
                    {
                        \Bitrix\Landing\Chat\Binding::bindingBlock(
                            $return['CHAT_ID'], $block->getId()
                        );
                    }
                }
            }
        }
 
        // button title we recive from attribute too
        if (
            $return &&
            isset($filter['attributeButton']) &&
            is_string($filter['attributeButton']) &&
            mb_strpos($filter['attributeButton'], '@')
        )
        {
            [$attrSelector, $attrCode] = explode('@', $filter['attributeButton']);
            $attrCode = mb_strtolower($attrCode);
            $resultNode = $dom->querySelector($attrSelector);
            if ($resultNode)
            {
                $return['SEND_TITLE'] = $resultNode->getAttribute($attrCode);
                if (!$return['SEND_TITLE'])
                {
                    $return['SEND_TITLE'] = Loc::getMessage('LANDING_SUBTYPE_BUTTON_SEND');
                    $resultNode->setAttribute($attrCode, $return['SEND_TITLE']);
                    $blockSave = true;
                }
            }
        }
 
        // chat type
        if ($return && $type)
        {
            $return['TYPE'] = $type;
        }
 
        // save attributes to the block if necessary
        if ($blockSave)
        {
            $block->saveContent($dom->saveHTML());
            $block->save();
        }
 
        return $return;
    }
 
    protected function getUserList(array $initData): array
    {
        $data = [];
        $userFilter = ['=ACTIVE' => 'Y'];
        $chatId = $initData['CHAT_ID'];
        $chatType = $initData['TYPE'];
        $sendButton = [
            'href' => '#',
            'text' => $initData['SEND_TITLE']
        ];
 
        // for private chat chat Id = user Id
        if ($chatType == $this::CHAT_TYPE_PERSONAL)
        {
            $sendButton['href'] = '#chat' . $chatId;
            $userFilter['ID'] = $chatId;
        }
        else if ($chatType == $this::CHAT_TYPE_GROUP)
        {
            $sendButton['href'] = '#join' . $chatId;
            $userFilter['ID'] = \Bitrix\Landing\Chat\Chat::getMembersId(
                $chatId
            );
            if (!$userFilter['ID'])
            {
                $userFilter['ID'] = -1;
            }
            //{"TITLE":"Test chat 666","AVATAR":55639,"ID":24}
        }
        else
        {
            return [];
        }
 
        // select users
        $res = \Bitrix\Main\UserTable::getList([
            'select' => [
                'ID', 'LOGIN', 'NAME', 'LAST_NAME', 'SECOND_NAME',
                'WORK_POSITION', 'PERSONAL_PHOTO'
            ],
            'filter' => $userFilter
        ]);
        while ($user = $res->fetch())
        {
            if (Cache::isCaching())
            {
                Manager::getCacheManager()->registerTag(
                    'intranet_user_' . $user['ID']
                );
            }
            $data[] = [
                'ID' => $user['ID'],
                'WORK_POSITION' => \htmlspecialcharsbx($user['WORK_POSITION']),
                'NAME' => $name = \htmlspecialcharsbx(\CUser::formatName(
                    \CSite::getNameFormat(),
                    $user, true, false
                )),
                'AVATAR' => [
                    'src' => \CIMChat::getAvatarImage($user['PERSONAL_PHOTO']),
                    'alt' => $name
                ],
                'SEND' => $sendButton
            ];
        }
 
        return $data;
    }
 
    public function getElementListData()
    {
        $initData = $this->getInitData();
        if (!$initData)
        {
            return [];
        }
 
        return $this->getUserList($initData);
    }
 
    public function getElementData($element)
    {
        return [[]];
    }
}