def notify_users_of_rejected_mail(mail_id, mail_response_date):
"""If a rejected email is found, this task notifies users of the rejection"""
logging.info(f"Notifying users of rejected Mail [{mail_id}, {mail_response_date}]")
try:
multipart_msg = MIMEMultipart()
multipart_msg["From"] = EMAIL_USER
multipart_msg["To"] = ",".join(NOTIFY_USERS)
multipart_msg["Subject"] = "Mail rejected"
body = MIMEText(f"Mail [{mail_id}] received at [{mail_response_date}] was rejected")
multipart_msg.attach(body)
server = MailServer()
smtp_connection = server.connect_to_smtp()
send_email(smtp_connection, multipart_msg)
server.quit_smtp_connection()
except Exception as exc: # noqa
error_message = (
f"An unexpected error occurred when notifying users of rejected Mail "
f"[{mail_id}, {mail_response_date}] -> {type(exc).__name__}: {exc}"
)
# Raise an exception
# this will cause the task to be marked as 'Failed' and retried if there are retry attempts left
raise Exception(error_message)
else:
logging.info(f"Successfully notified users of rejected Mail [{mail_id}, {mail_response_date}]")
def send(server: MailServer, email_message_dto: EmailMessageDto):
logging.info("Preparing to send email")
smtp_connection = server.connect_to_smtp()
send_email(smtp_connection, build_email_message(email_message_dto))
server.quit_smtp_connection()