ChatAvatar.php

См. документацию.

<?php
 
namespace Bitrix\Im\V2\Entity\File;
 
use Bitrix\Im\Common;
use Bitrix\Im\V2\Chat;
use Bitrix\Im\V2\Result;
use Bitrix\Main\File\Image;
use Bitrix\Main\Loader;
use Bitrix\Pull\Event;
use CFile;
 
class ChatAvatar
{
    protected Chat $chat;
 
    public function __construct(Chat $chat)
    {
        $this->chat = $chat;
    }
 
    public function get(bool $addBlankPicture = false, bool $withDomain = false): string
    {
        $url = $addBlankPicture ? '/bitrix/js/im/images/blank.gif' : '';
 
        if ($this->chat->getAvatarId() > 0)
        {
            $avatar = $this->getResizeAvatar();
            if (!empty($avatar['src']))
            {
                $url = $avatar['src'];
            }
        }
 
        if ($withDomain && $url)
        {
            return Common::getPublicDomain() . $url;
        }
 
        return $url;
    }
 
    public function update(
        int|string $avatar,
        bool $withMessage = true,
        bool $skipRecent = false,
        bool $withoutSaveInChat = false
    ): Result
    {
        if (!is_numeric($avatar))
        {
            $avatar = self::saveAvatarByString((string)$avatar) ?? 0;
        }
 
        return $this->updateById(
            (int)$avatar,
            $withMessage,
            $skipRecent,
            $withoutSaveInChat
        );
    }
 
    protected function updateById(
        int $avatarId,
        bool $withMessage = true,
        bool $skipRecent = false,
        bool $withoutSaveInChat = false
    ): Result
    {
        $result = new Result();
 
        $oldAvatarId = $this->chat->getAvatarId();
        $this->chat->setAvatarId($avatarId);
 
        if (!$withoutSaveInChat)
        {
            $result = $this->chat->save();
            if (!$result->isSuccess())
            {
                return $result;
            }
        }
 
        if (isset($oldAvatarId) && $oldAvatarId > 0)
        {
            CFile::Delete($oldAvatarId);
        }
 
        $avatar = $this->getResizeAvatar();
        if (
            !empty($avatar['src'])
            && Loader::includeModule("pull")
        )
        {
            $this->sendPush($avatar);
        }
 
        if ($withMessage)
        {
            $this->chat->sendMessageUpdateAvatar($skipRecent);
        }
 
        return $result->setResult($avatarId);
    }
 
    protected function sendPush(array $avatar): void
    {
        $pushMessage = [
            'module_id' => 'im',
            'command' => 'chatAvatar',
            'params' => [
                'chatId' => $this->chat->getChatId(),
                'avatar' => $avatar['src'],
            ],
            'extra' => Common::getPullExtra()
        ];
 
        Event::add($this->chat->getRelations()->getUserIds(), $pushMessage);
        if ($this->chat->needToSendPublicPull())
        {
            \CPullWatch::AddToStack('IM_PUBLIC_' . $this->chat->getId(), $pushMessage);
        }
    }
 
    protected function getResizeAvatar(): array
    {
        $avatar = \CFile::ResizeImageGet(
            $this->chat->getAvatarId() ?? 0,
            ['width' => 200, 'height' => 200],
            BX_RESIZE_IMAGE_EXACT,
            false,
            false,
            true
        );
        if (empty($avatar))
        {
            return [];
        }
 
        return $avatar;
    }
 
    public static function saveAvatarByString(string $avatarBase64): ?int
    {
        $avatar = \CRestUtil::saveFile($avatarBase64);
        $imageCheck = (new Image($avatar["tmp_name"]))->getInfo();
 
        if (
            !$imageCheck
            || !$imageCheck->getWidth() || $imageCheck->getWidth() > 5000
            || !$imageCheck->getHeight() || $imageCheck->getHeight() > 5000
        )
        {
            return null;
        }
 
        if (!$avatar || mb_strpos($avatar['type'], "image/") !== 0)
        {
            return null;
        }
 
        $avatar = CFile::saveFile($avatar, 'im');
 
        return is_numeric($avatar) && $avatar > 0 ? $avatar : null;
    }
}