avatarmanager.php

См. документацию.

<?php
namespace Bitrix\Mail\MessageView;
 
use Bitrix\Main;
use Bitrix\Mail\Internals\MailContactTable;
 
class AvatarManager
{
    private $currentUserId;
 
    public function __construct($currentUserId = null)
    {
        $this->currentUserId = $currentUserId;
    }
 
    public static function getAvatarKeyByString($string): ?string
    {
        $parts = explode(",", $string);
        $firstContact = trim($parts[0]);
 
        $address = new Main\Mail\Address($firstContact);
        if ($address->validate())
        {
            return $address->getEmail();
        }
 
        return null;
    }
 
    public function getAvatarParamsFromEmails($filedFromList)
    {
        $fileds = [];
 
        foreach ($filedFromList as $filed)
        {
            $fileds = array_merge($fileds, $this->getAvatarParamsFromMessagesHeaders([['FIELD_FROM' => $filed]]));
        }
 
        return $fileds;
    }
 
    public function getAvatarParamsFromMessagesHeaders($messages)
    {
        $mailsNames = $this->getEmailsNames($messages);
 
        $mailContacts = $this->fetchMailContacts(array_map(
            function ($item)
            {
                return $item['email'];
            },
            $mailsNames
        ));
 
        $mailContacts = $this->fillFileIdColumn($mailContacts);
 
        foreach ($mailsNames as $email => $data)
        {
            if (!empty($mailContacts[$email]))
            {
                if ((!$data['name'] || $data['name'] === $data['email']) &&
                    ($mailContacts[$email]['NAME'] && $mailContacts[$email]['NAME'] !== $mailContacts[$email]['EMAIL']))
                {
                    $mailsNames[$email]['name'] = $mailContacts[$email]['NAME'];
                }
                $mailsNames[$email]['mailContact'] = $mailContacts[$email];
            }
            else
            {
                $mailsNames[$email]['mailContact'] = [
                    'EMAIL' => $data['email'],
                    'NAME' => $data['name'],
                ];
            }
        }
        return $mailsNames;
    }
 
    private function getEmailsNames($messages, $fieldList = false)
    {
        $emailNames = [];
 
        if($fieldList)
        {
            $messages = $fieldList;
        }
 
        foreach ($messages as $index => $message)
        {
            $emailNames = array_merge($emailNames, $this->extractMailsNamesFrom($message['FIELD_FROM']));
            $emailNames = array_merge($emailNames, $this->extractMailsNamesFrom($message['FIELD_TO']));
            $emailNames = array_merge($emailNames, $this->extractMailsNamesFrom($message['FIELD_CC']));
            $emailNames = array_merge($emailNames, $this->extractMailsNamesFrom($message['FIELD_BCC']));
        }
        $emailNames = $this->getBestNameChoices($emailNames);
 
        return $emailNames;
    }
 
    private function getBestNameChoices($emailNames)
    {
        $results = [];
        $bestNames = [];
        foreach ($emailNames as $index => $data)
        {
            if (!isset($bestNames[$data['email']]))
            {
                $bestNames[$data['email']] = $data['name'];
                $results[$data['email']] = [
                    'email' => $data['email'],
                    'name' => $data['name'],
                ];
                continue;
            }
            $newName = $data['name'];
            $oldName = $bestNames[$data['email']];
            if (!$oldName || $oldName == $data['email'])
            {
                $bestNames[$data['email']] = $newName;
                $results[$data['email']] = [
                    'email' => $data['email'],
                    'name' => $newName,
                ];
            }
        }
 
        return $results;
    }
 
    private function extractMailsNamesFrom($parsedListOfEmails)
    {
        $emailNames = [];
 
        if ($parsedListOfEmails)
        {
            foreach (\Bitrix\Mail\Helper\Message::parseAddressList($parsedListOfEmails) as $mailCopy)
            {
                $avatarKey = static::getAvatarKeyByString($mailCopy);
                if ($avatarKey)
                {
                    $address = new Main\Mail\Address($avatarKey);
                    if ($address->validate())
                    {
                        $emailNames[] = [
                            'email' => $address->getEmail(),
                            'name' => $address->getName() ?: $address->getEmail(),
                        ];
                    }
                }
            }
        }
        return $emailNames;
    }
 
    private function fillFileIdColumn($mailContacts)
    {
        foreach ($mailContacts as $mail => $mailContact)
        {
            if (!empty($mailContacts[$mail]['AVATAR_ID']))
            {
                $mailContacts[$mail]['FILE_ID'] = $mailContacts[$mail]['AVATAR_ID'];
            }
        }
        return $mailContacts;
    }
 
    protected function fetchMailContacts(array $emails): array
    {
        if (empty($emails))
        {
            return [];
        }
 
        static $cachedContacts = [];
 
        $newEmails = array_diff($emails, array_keys($cachedContacts));
 
        if (!empty($newEmails))
        {
            $fetchedContacts = MailContactTable::getList(array(
                'runtime' => array(
                    new Main\ORM\Fields\Relations\Reference(
                        'USER',
                        Main\UserTable::class,
                        array(
                            '=this.EMAIL' => 'ref.EMAIL',
                            '=ref.ACTIVE' => new Main\DB\SqlExpression('?', 'Y'),
                        )
                    )
                ),
                'select' => array(
                    'NAME', 'EMAIL', 'ICON', 'FILE_ID',
                    'AVATAR_ID' => 'USER.PERSONAL_PHOTO',
                ),
                'filter' => array(
                    '=USER_ID' => $this->currentUserId,
                    '@EMAIL' => $emails,
                ),
            ))->fetchAll();
 
            foreach ($fetchedContacts as $contact)
            {
                $cachedContacts[$contact['EMAIL']] = $contact;
            }
        }
 
        return array_intersect_key($cachedContacts, array_flip($emails));
    }
}