CalendarService.php

<?php
 
namespace Bitrix\Im\V2\Link\Calendar;
 
use Bitrix\Im\Dialog;
use Bitrix\Im\Model\LinkCalendarIndexTable;
use Bitrix\Im\V2\Chat;
use Bitrix\Im\V2\Common\ContextCustomer;
use Bitrix\Im\V2\Entity\Calendar\CalendarError;
use Bitrix\Im\V2\Link\Push;
use Bitrix\Im\V2\Message;
use Bitrix\Im\V2\Result;
use Bitrix\Main\Loader;
use Bitrix\Main\Localization\Loc;
 
class CalendarService
{
    use ContextCustomer;
 
    protected const ADD_CALENDAR_EVENT = 'calendarAdd';
    protected const UPDATE_CALENDAR_EVENT = 'calendarUpdate';
    protected const DELETE_CALENDAR_EVENT = 'calendarDelete';
 
    public function registerCalendar(int $chatId, ?int $messageId, \Bitrix\Im\V2\Entity\Calendar\CalendarItem $calendar): Result
    {
        $result = new Result();
 
        $userId = $this->getContext()->getUserId();
 
        $calendarLink = new CalendarItem();
        $calendarLink->setEntity($calendar)->setChatId($chatId)->setAuthorId($userId);
 
        if (isset($messageId))
        {
            $calendarLink->setMessageId($messageId);
        }
 
        $sendMessageResult = $this->sendMessageAboutCalendar($calendarLink, $chatId);
 
        if (!$sendMessageResult->isSuccess())
        {
            $result->addErrors($sendMessageResult->getErrors());
        }
 
        $systemMessageId = $sendMessageResult->getResult();
 
        $calendarLink->setMessageId($messageId ?: $systemMessageId);
        $saveResult = $calendarLink->save();
 
        if (!$saveResult->isSuccess())
        {
            return $result->addErrors($saveResult->getErrors());
        }
 
        Push::getInstance()
            ->setContext($this->context)
            ->sendFull($calendarLink, self::ADD_CALENDAR_EVENT, ['RECIPIENT' => $calendar->getMembersIds()])
        ;
 
        return $result;
    }
 
    public function unregisterCalendar(CalendarItem $calendar): Result
    {
        $calendar->delete();
        Push::getInstance()
            ->setContext($this->context)
            ->sendIdOnly($calendar, self::DELETE_CALENDAR_EVENT, ['CHAT_ID' => $calendar->getChatId()])
        ;
 
        return new Result();
    }
 
    public function updateCalendar(CalendarItem $calendarLink): Result
    {
        $result = new Result();
 
        LinkCalendarIndexTable::delete($calendarLink->getPrimaryId());
        $saveResult = $calendarLink->save();
 
        if (!$saveResult->isSuccess())
        {
            return $result->addErrors($saveResult->getErrors());
        }
 
        Push::getInstance()
            ->setContext($this->context)
            ->sendFull($calendarLink, self::UPDATE_CALENDAR_EVENT, ['RECIPIENT' => $calendarLink->getEntity()->getMembersIds()])
        ;
 
        return new Result();
    }
 
    public function updateCalendarLink(CalendarItem $calendarLink): Result
    {
        $result = new Result();
 
        $saveResult = $calendarLink->save();
 
        if (!$saveResult->isSuccess())
        {
            return $result->addErrors($saveResult->getErrors());
        }
 
        Push::getInstance()
            ->setContext($this->context)
            ->sendFull($calendarLink, self::UPDATE_CALENDAR_EVENT, ['RECIPIENT' => $calendarLink->getEntity()->getMembersIds()])
        ;
 
        return new Result();
    }
 
    public function prepareDataForCreateSlider(Chat $chat, ?Message $message = null): Result
    {
        $result = new Result();
 
        if (!Loader::includeModule('calendar'))
        {
            return $result->addError(new CalendarError(CalendarError::CALENDAR_NOT_INSTALLED));
        }
 
        $chat->setContext($this->context);
 
        $randomPostfix = mt_rand() & 1000; // get random number from 0 to 1000
        $data['params']['sliderId'] = "im:chat{$chat->getChatId()}{$randomPostfix}";
 
        $userIds = $chat->getRelations(
            [
                'SELECT' => ['ID', 'USER_ID', 'CHAT_ID'],
                'FILTER' => ['ACTIVE' => true, 'ONLY_INTERNAL_TYPE' => true],
                'LIMIT' => 50,
            ]
        )->getUsers()->filterExtranet()->getIds();
        $users = array_values(array_map(static fn($item) => ['id' => (int)$item, 'entityId' => 'user'], $userIds));
        $data['params']['participantsEntityList'] = $users;
 
        if (isset($message))
        {
            $message->setContext($this->context);
            $data['params']['entryDescription'] = \CIMShare::PrepareText([
                'CHAT_ID' => $chat->getChatId(),
                'MESSAGE_ID' => $message->getMessageId(),
                'MESSAGE_TYPE' => $chat->getType(),
                'MESSAGE' => $message->getMessage(),
                'AUTHOR_ID' => $message->getAuthorId(),
                'FILES' => $this->getFilesForPrepareText($message)
            ]);
        }
 
        return $result->setResult($data);
    }
 
    protected function sendMessageAboutCalendar(CalendarItem $calendarLink, int $chatId): Result
    {
        //todo: Replace with new API
        $dialogId = Dialog::getDialogId($chatId);
        $authorId = $this->getContext()->getUserId();
 
        $messageId = \CIMChat::AddMessage([
            'DIALOG_ID' => $dialogId,
            'SYSTEM' => 'Y',
            'MESSAGE' => $this->getMessageText($calendarLink),
            'FROM_USER_ID' => $authorId,
            'PARAMS' => ['CLASS' => "bx-messenger-content-item-system"],
            'URL_PREVIEW' => 'N',
            'SKIP_CONNECTOR' => 'Y',
            'SKIP_COMMAND' => 'Y',
            'SILENT_CONNECTOR' => 'Y',
            'SKIP_URL_INDEX' => 'Y',
        ]);
 
        $result = new Result();
 
        if ($messageId === false)
        {
            return $result->addError(new CalendarError(CalendarError::ADD_CALENDAR_MESSAGE_FAILED));
        }
 
        return $result->setResult($messageId);
    }
 
    protected function getFilesForPrepareText(Message $message): array
    {
        $files = $message->getFiles();
        $filesForPrepare = [];
 
        foreach ($files as $file)
        {
            $filesForPrepare[] = ['name' => $file->getDiskFile()->getName()];
        }
 
        return $filesForPrepare;
    }
 
    protected function getMessageText(CalendarItem $calendar): string
    {
        $genderModifier = ($this->getContext()->getUser()->getGender() === 'F') ? '_F' : '';
 
        if ($calendar->getMessageId() !== null)
        {
            $text = (new Message($calendar->getMessageId()))->getQuotedMessage() . "\n";
            $text .= Loc::getMessage(
                'IM_CHAT_CALENDAR_REGISTER_FROM_MESSAGE_NOTIFICATION' . $genderModifier,
                [
                    '#LINK#' => $calendar->getEntity()->getUrl(),
                    '#USER_ID#' => $this->getContext()->getUserId(),
                    '#MESSAGE_ID#' => $calendar->getMessageId(),
                    '#DIALOG_ID#' => Chat::getInstance($calendar->getChatId())->getDialogContextId(),
                ]
            );
 
            return $text;
        }
        return Loc::getMessage(
            'IM_CHAT_CALENDAR_REGISTER_FROM_CHAT_NOTIFICATION' . $genderModifier,
            [
                '#LINK#' => $calendar->getEntity()->getUrl(),
                '#USER_ID#' => $this->getContext()->getUserId(),
                '#EVENT_TITLE#' => $calendar->getEntity()->getTitle(),
            ]
        );
    }
}