messageeventmanager.php

<?php
namespace Bitrix\Mail\Helper;
 
use Bitrix\Mail\MailboxDirectory;
use Bitrix\Mail\MailMessageTable;
use Bitrix\Mail\MailMessageUidTable;
use Bitrix\Main\Event;
use Bitrix\Main\Loader;
use Bitrix\Main\Type\DateTime;
 
class MessageEventManager
{
    const EVENT_DELETE_MESSAGES = 'onMailMessageDeleted';
 
    public static function onMailMessageDeleted(Event $event)
    {
        $manager = new static();
        $manager->processOnMailMessageDeletedEvent($event);
        return $manager;
    }
 
    private function processOnMailMessageDeletedEvent(Event $event)
    {
        $params = $event->getParameters();
        $filter = empty($params['DELETED_BY_FILTER']) ? [] : $params['DELETED_BY_FILTER'];
        $fieldsData = empty($params['MAIL_FIELDS_DATA']) ? [] : $params['MAIL_FIELDS_DATA'];
        $this->handleRemovedEvent($fieldsData, $filter);
    }
 
    public static function onMailMessageModified(Event $event)
    {
        $manager = new static();
        $manager->processOnMailMessageModified($event);
        return $manager;
    }
 
    private function processOnMailMessageModified(Event $event)
    {
        $params = $event->getParameters();
        $updatedFieldValues = empty($params['UPDATED_FIELDS_VALUES']) ? [] : $params['UPDATED_FIELDS_VALUES'];
        $fieldsData = empty($params['MAIL_FIELDS_DATA']) ? [] : $params['MAIL_FIELDS_DATA'];
        $filter = empty($params['UPDATED_BY_FILTER']) ? [] : $params['UPDATED_BY_FILTER'];
 
        if (!empty($updatedFieldValues) && isset($updatedFieldValues['IS_SEEN']))
        {
            $fieldsData = $this->getMailsFieldsData($fieldsData, ['HEADER_MD5', 'MAILBOX_USER_ID', 'IS_SEEN'], $filter);
            $this->sendMessageModifiedEvent($fieldsData);
        }
 
        if (!empty($updatedFieldValues) && isset($updatedFieldValues['DIR_MD5']) && isset($filter['=MAILBOX_ID']))
        {
            $dirHash = empty($updatedFieldValues['DIR_MD5']) ? null : $updatedFieldValues['DIR_MD5'];
            $dir = MailboxDirectory::fetchOneByHash($filter['=MAILBOX_ID'], $dirHash);
 
            if (!empty($dirHash) && $dir != null)
            {
                if ($dir->isTrash() || $dir->isSpam() || $dir->isDisabled())
                {
                    $this->handleRemovedEvent($fieldsData, $filter);
                }
            }
        }
    }
 
    protected function sendMessageModifiedEvent($fieldsData)
    {
        foreach ($fieldsData as $fields)
        {
            $event = new Event(
                'mail', 'OnMessageModified',
                [
                    'user' => $fields['MAILBOX_USER_ID'],
                    'hash' => $fields['HEADER_MD5'],
                    'seen' => $fields['IS_SEEN'] === 'Y',
                ]
            );
            $event->send();
        }
    }
 
    private function handleRemovedEvent($fieldsData, $filter)
    {
        $this->sendMessageDeletedEvent($fieldsData);
    }
 
    protected function sendMessageDeletedEvent($fieldsData)
    {
        foreach ($fieldsData as $fields)
        {
            $event = new Event(
                'mail', 'OnMessageObsolete',
                [
                    'user' => $fields['MAILBOX_USER_ID'],
                    'hash' => $fields['HEADER_MD5'],
                ]
            );
            $event->send();
        }
    }
 
    private function getMailsFieldsData($eventData, $requiredKeys, $filter)
    {
        $fieldsData = $eventData;
        $missingKeys = $requiredKeys;
        $messagesCount = count($eventData);
        if ($messagesCount)
        {
            foreach ($requiredKeys as $requiredKey)
            {
                if (count(array_column($eventData, $requiredKey)) === $messagesCount)
                {
                    $missingKeys = array_diff($missingKeys, [$requiredKey]);
                }
            }
        }
 
        if (!empty($missingKeys) && !empty($filter))
        {
            $fieldsData = $this->getMailMessagesList($filter, $missingKeys);
        }
        $results = [];
        foreach ($fieldsData as $index => $mailFieldsData)
        {
            $results[$mailFieldsData['HEADER_MD5']] = $mailFieldsData;
        }
        return $results;
    }
 
    protected function getMailMessagesList($filter, $selectingFields)
    {
        $dateLastMonth = new DateTime();
        $dateLastMonth->add('-1 MONTH');
        foreach ($selectingFields as $index => $selectingField)
        {
            if (strncmp('MAILBOX_', $selectingField, 8) === 0)
            {
                $selectingFields[$selectingField] = 'MAILBOX.'.mb_substr($selectingField, 8);
                unset($selectingFields[$index]);
            }
        }
 
        return MailMessageUidTable::getList([
                'select' => $selectingFields,
                'filter' => array_merge($filter, [
                    '>=INTERNALDATE' => $dateLastMonth,
                    '==DELETE_TIME' => 0,
                ]),
            ]
        )->fetchAll();
    }
 
    public static function onMailEventMailRead(array $data)
    {
        $messageId = $data['msgid'];
        if($messageId)
        {
            $message = MailMessageTable::getList([
                'select' => [
                    'OPTIONS', 'ID', 'READ_CONFIRMED',
                ],
                'filter' => [
                    '=MSG_ID' => $messageId,
                    'READ_CONFIRMED' => null,
                ]
            ])->fetch();
            if($message)
            {
                $readTime = new DateTime();
                $result = MailMessageTable::update($message['ID'], [
                    'READ_CONFIRMED' => $readTime,
                ]);
                if($result->isSuccess())
                {
                    if(Loader::includeModule("pull"))
                    {
                        \CPullWatch::addToStack(static::getPullTagName($message['ID']), [
                            'module_id' => 'mail',
                            'command' => 'onMessageRead',
                            'params' => [
                                'messageId' => $message['ID'],
                                'readTime' => $readTime->getTimestamp(),
                            ],
                        ]);
                    }
                }
            }
        }
 
        return $data;
    }
 
    public static function getPullTagName($messageId)
    {
        return 'MAILMESSAGEREADED'.$messageId;
    }
 
    public static function getRequiredFieldNamesForEvent($eventName)
    {
        if ($eventName === static::EVENT_DELETE_MESSAGES)
        {
            return array('HEADER_MD5', 'MESSAGE_ID', 'MAILBOX_USER_ID');
        }
 
        return [];
    }
}