Unable to add Attachment in email after upgrade to Magento 2.3.3 version
I solved it by override TransportBuilder. It has many private methods that's why I override whole class. You need only this one file.
app/code/vendor/module/etc/di.xml
<preference for="\Magento\Framework\Mail\Template\TransportBuilder" type="Vendor\Module\Model\Mail\Template\TransportBuilder" />
app/code/vendor/module/model/mail/template/TransportBuilder.php
<?php
declare(strict_types=1);
namespace Vendor\Module\Model\Mail\Template;
use Magento\Framework\App\TemplateTypesInterface;
use Magento\Framework\Exception\LocalizedException;
use Magento\Framework\Exception\MailException;
use Magento\Framework\Mail\EmailMessageInterface;
use Magento\Framework\Mail\EmailMessageInterfaceFactory;
use Magento\Framework\Mail\AddressConverter;
use Magento\Framework\Mail\Exception\InvalidArgumentException;
use Magento\Framework\Mail\MessageInterface;
use Magento\Framework\Mail\MessageInterfaceFactory;
use Magento\Framework\Mail\MimeInterface;
use Magento\Framework\Mail\MimeMessageInterfaceFactory;
use Magento\Framework\Mail\MimePartInterfaceFactory;
use Magento\Framework\Mail\Template\FactoryInterface;
use Magento\Framework\Mail\Template\SenderResolverInterface;
use Magento\Framework\Mail\TemplateInterface;
use Magento\Framework\Mail\TransportInterface;
use Magento\Framework\Mail\TransportInterfaceFactory;
use Magento\Framework\ObjectManagerInterface;
use Magento\Framework\Phrase;
use Zend\Mime\Mime;
use Zend\Mime\PartFactory;
/**
* TransportBuilder
*
* @api
* @SuppressWarnings(PHPMD.CouplingBetweenObjects)
* @since 100.0.2
*/
class TransportBuilder extends \Magento\Framework\Mail\Template\TransportBuilder
{
/**
* Template Identifier
*
* @var string
*/
protected $templateIdentifier;
/**
* Template Model
*
* @var string
*/
protected $templateModel;
/**
* Template Variables
*
* @var array
*/
protected $templateVars;
/**
* Template Options
*
* @var array
*/
protected $templateOptions;
/**
* Mail Transport
*
* @var TransportInterface
*/
protected $transport;
/**
* Template Factory
*
* @var FactoryInterface
*/
protected $templateFactory;
/**
* Object Manager
*
* @var ObjectManagerInterface
*/
protected $objectManager;
/**
* Message
*
* @var EmailMessageInterface
*/
protected $message;
/**
* Sender resolver
*
* @var SenderResolverInterface
*/
protected $_senderResolver;
/**
* @var TransportInterfaceFactory
*/
protected $mailTransportFactory;
/**
* Param that used for storing all message data until it will be used
*
* @var array
*/
private $messageData = [];
/**
* @var EmailMessageInterfaceFactory
*/
private $emailMessageInterfaceFactory;
/**
* @var MimeMessageInterfaceFactory
*/
private $mimeMessageInterfaceFactory;
/**
* @var MimePartInterfaceFactory
*/
private $mimePartInterfaceFactory;
/**
* @var AddressConverter|null
*/
private $addressConverter;
protected $attachments = [];
protected $partFactory;
/**
* TransportBuilder constructor
*
* @param FactoryInterface $templateFactory
* @param MessageInterface $message
* @param SenderResolverInterface $senderResolver
* @param ObjectManagerInterface $objectManager
* @param TransportInterfaceFactory $mailTransportFactory
* @param MessageInterfaceFactory|null $messageFactory
* @param EmailMessageInterfaceFactory|null $emailMessageInterfaceFactory
* @param MimeMessageInterfaceFactory|null $mimeMessageInterfaceFactory
* @param MimePartInterfaceFactory|null $mimePartInterfaceFactory
* @param addressConverter|null $addressConverter
* @SuppressWarnings(PHPMD.UnusedFormalParameter)
* @SuppressWarnings(PHPMD.ExcessiveParameterList)
*/
public function __construct(
FactoryInterface $templateFactory,
MessageInterface $message,
SenderResolverInterface $senderResolver,
ObjectManagerInterface $objectManager,
TransportInterfaceFactory $mailTransportFactory,
MessageInterfaceFactory $messageFactory = null,
EmailMessageInterfaceFactory $emailMessageInterfaceFactory = null,
MimeMessageInterfaceFactory $mimeMessageInterfaceFactory = null,
MimePartInterfaceFactory $mimePartInterfaceFactory = null,
AddressConverter $addressConverter = null
) {
$this->templateFactory = $templateFactory;
$this->objectManager = $objectManager;
$this->_senderResolver = $senderResolver;
$this->mailTransportFactory = $mailTransportFactory;
$this->emailMessageInterfaceFactory = $emailMessageInterfaceFactory ?: $this->objectManager
->get(EmailMessageInterfaceFactory::class);
$this->mimeMessageInterfaceFactory = $mimeMessageInterfaceFactory ?: $this->objectManager
->get(MimeMessageInterfaceFactory::class);
$this->mimePartInterfaceFactory = $mimePartInterfaceFactory ?: $this->objectManager
->get(MimePartInterfaceFactory::class);
$this->addressConverter = $addressConverter ?: $this->objectManager
->get(AddressConverter::class);
$this->partFactory = $objectManager->get(PartFactory::class);
parent::__construct($templateFactory, $message, $senderResolver, $objectManager, $mailTransportFactory, $messageFactory, $emailMessageInterfaceFactory, $mimeMessageInterfaceFactory,
$mimePartInterfaceFactory, $addressConverter);
}
/**
* Add cc address
*
* @param array|string $address
* @param string $name
*
* @return $this
*/
public function addCc($address, $name = '')
{
$this->addAddressByType('cc', $address, $name);
return $this;
}
/**
* Add to address
*
* @param array|string $address
* @param string $name
*
* @return $this
* @throws InvalidArgumentException
*/
public function addTo($address, $name = '')
{
$this->addAddressByType('to', $address, $name);
return $this;
}
/**
* Add bcc address
*
* @param array|string $address
*
* @return $this
* @throws InvalidArgumentException
*/
public function addBcc($address)
{
$this->addAddressByType('bcc', $address);
return $this;
}
/**
* Set Reply-To Header
*
* @param string $email
* @param string|null $name
*
* @return $this
* @throws InvalidArgumentException
*/
public function setReplyTo($email, $name = null)
{
$this->addAddressByType('replyTo', $email, $name);
return $this;
}
/**
* Set mail from address
*
* @param string|array $from
*
* @return $this
* @throws InvalidArgumentException
* @see setFromByScope()
*
* @deprecated 102.0.1 This function sets the from address but does not provide
* a way of setting the correct from addresses based on the scope.
*/
public function setFrom($from)
{
return $this->setFromByScope($from);
}
/**
* Set mail from address by scopeId
*
* @param string|array $from
* @param string|int $scopeId
*
* @return $this
* @throws InvalidArgumentException
* @throws MailException
* @since 102.0.1
*/
public function setFromByScope($from, $scopeId = null)
{
$result = $this->_senderResolver->resolve($from, $scopeId);
$this->addAddressByType('from', $result['email'], $result['name']);
return $this;
}
/**
* Set template identifier
*
* @param string $templateIdentifier
*
* @return $this
*/
public function setTemplateIdentifier($templateIdentifier)
{
$this->templateIdentifier = $templateIdentifier;
return $this;
}
/**
* Set template model
*
* @param string $templateModel
*
* @return $this
*/
public function setTemplateModel($templateModel)
{
$this->templateModel = $templateModel;
return $this;
}
/**
* Set template vars
*
* @param array $templateVars
*
* @return $this
*/
public function setTemplateVars($templateVars)
{
$this->templateVars = $templateVars;
return $this;
}
/**
* Set template options
*
* @param array $templateOptions
* @return $this
*/
public function setTemplateOptions($templateOptions)
{
$this->templateOptions = $templateOptions;
return $this;
}
/**
* Get mail transport
*
* @return TransportInterface
* @throws LocalizedException
*/
public function getTransport()
{
try {
$this->prepareMessage();
$mailTransport = $this->mailTransportFactory->create(['message' => clone $this->message]);
} finally {
$this->reset();
}
return $mailTransport;
}
/**
* Reset object state
*
* @return $this
*/
protected function reset()
{
$this->messageData = [];
$this->templateIdentifier = null;
$this->templateVars = null;
$this->templateOptions = null;
return $this;
}
/**
* Get template
*
* @return TemplateInterface
*/
protected function getTemplate()
{
return $this->templateFactory->get($this->templateIdentifier, $this->templateModel)
->setVars($this->templateVars)
->setOptions($this->templateOptions);
}
/**
* Prepare message.
*
* @return $this
* @throws LocalizedException if template type is unknown
*/
protected function prepareMessage()
{
$template = $this->getTemplate();
$content = $template->processTemplate();
switch ($template->getType()) {
case TemplateTypesInterface::TYPE_TEXT:
$part['type'] = MimeInterface::TYPE_TEXT;
break;
case TemplateTypesInterface::TYPE_HTML:
$part['type'] = MimeInterface::TYPE_HTML;
break;
default:
throw new LocalizedException(
new Phrase('Unknown template type')
);
}
$mimePart = $this->mimePartInterfaceFactory->create(['content' => $content]);
$parts = count($this->attachments) ? array_merge([$mimePart], $this->attachments) : [$mimePart];
$this->messageData['body'] = $this->mimeMessageInterfaceFactory->create(
['parts' => $parts]
);
$this->messageData['subject'] = html_entity_decode(
(string)$template->getSubject(),
ENT_QUOTES
);
$this->message = $this->emailMessageInterfaceFactory->create($this->messageData);
return $this;
}
/**
* Handles possible incoming types of email (string or array)
*
* @param string $addressType
* @param string|array $email
* @param string|null $name
*
* @return void
* @throws InvalidArgumentException
*/
private function addAddressByType(string $addressType, $email, ?string $name = null): void
{
if (is_string($email)) {
$this->messageData[$addressType][] = $this->addressConverter->convert($email, $name);
return;
}
$convertedAddressArray = $this->addressConverter->convertMany($email);
if (isset($this->messageData[$addressType])) {
$this->messageData[$addressType] = array_merge(
$this->messageData[$addressType],
$convertedAddressArray
);
}
}
/**
* @param string|null $content
* @param string|null $fileName
* @param string|null $fileType
* @return TransportBuilder
*/
public function addAttachment(?string $content, ?string $fileName, ?string $fileType)
{
$attachmentPart = $this->partFactory->create();
$attachmentPart->setContent($content)
->setType($fileType)
->setFileName($fileName)
->setDisposition(Mime::DISPOSITION_ATTACHMENT)
->setEncoding(Mime::ENCODING_BASE64);
$this->attachments[] = $attachmentPart;
return $this;
}
}
Usage example:
$this->transportBuilder->addAttachment($content, $fileName, 'application/pdf');