140 lines
4.2 KiB
PHP
140 lines
4.2 KiB
PHP
<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Bridge\Monolog\Handler;
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use Monolog\Formatter\FormatterInterface;
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use Monolog\Formatter\HtmlFormatter;
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use Monolog\Formatter\LineFormatter;
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use Monolog\Handler\AbstractProcessingHandler;
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use Monolog\Logger;
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use Symfony\Component\Mailer\MailerInterface;
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use Symfony\Component\Mime\Email;
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/**
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* @author Alexander Borisov <boshurik@gmail.com>
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*/
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class MailerHandler extends AbstractProcessingHandler
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{
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private $mailer;
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private $messageTemplate;
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public function __construct(MailerInterface $mailer, callable|Email $messageTemplate, string|int $level = Logger::DEBUG, bool $bubble = true)
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{
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parent::__construct($level, $bubble);
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$this->mailer = $mailer;
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$this->messageTemplate = !\is_callable($messageTemplate) || $messageTemplate instanceof \Closure ? $messageTemplate : \Closure::fromCallable($messageTemplate);
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}
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/**
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* {@inheritdoc}
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*/
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public function handleBatch(array $records): void
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{
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$messages = [];
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foreach ($records as $record) {
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if ($record['level'] < $this->level) {
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continue;
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}
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$messages[] = $this->processRecord($record);
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}
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if (!empty($messages)) {
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$this->send((string) $this->getFormatter()->formatBatch($messages), $messages);
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}
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}
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/**
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* {@inheritdoc}
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*/
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protected function write(array $record): void
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{
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$this->send((string) $record['formatted'], [$record]);
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}
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/**
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* Send a mail with the given content.
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*
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* @param string $content formatted email body to be sent
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* @param array $records the array of log records that formed this content
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*/
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protected function send(string $content, array $records)
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{
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$this->mailer->send($this->buildMessage($content, $records));
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}
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/**
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* Gets the formatter for the Message subject.
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*
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* @param string $format The format of the subject
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*/
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protected function getSubjectFormatter(string $format): FormatterInterface
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{
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return new LineFormatter($format);
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}
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/**
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* Creates instance of Message to be sent.
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*
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* @param string $content formatted email body to be sent
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* @param array $records Log records that formed the content
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*/
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protected function buildMessage(string $content, array $records): Email
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{
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$message = null;
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if ($this->messageTemplate instanceof Email) {
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$message = clone $this->messageTemplate;
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} elseif (\is_callable($this->messageTemplate)) {
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$message = ($this->messageTemplate)($content, $records);
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if (!$message instanceof Email) {
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throw new \InvalidArgumentException(sprintf('Could not resolve message from a callable. Instance of "%s" is expected.', Email::class));
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}
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} else {
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throw new \InvalidArgumentException('Could not resolve message as instance of Email or a callable returning it.');
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}
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if ($records) {
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$subjectFormatter = $this->getSubjectFormatter($message->getSubject());
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$message->subject($subjectFormatter->format($this->getHighestRecord($records)));
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}
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if ($this->getFormatter() instanceof HtmlFormatter) {
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if ($message->getHtmlCharset()) {
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$message->html($content, $message->getHtmlCharset());
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} else {
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$message->html($content);
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}
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} else {
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if ($message->getTextCharset()) {
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$message->text($content, $message->getTextCharset());
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} else {
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$message->text($content);
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}
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}
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return $message;
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}
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protected function getHighestRecord(array $records): array
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{
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$highestRecord = null;
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foreach ($records as $record) {
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if (null === $highestRecord || $highestRecord['level'] < $record['level']) {
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$highestRecord = $record;
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}
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}
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return $highestRecord;
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}
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}
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