foerderbarometer/input/utils/mail/__init__.py

from django.conf import settings
from django.core.mail import EmailMultiAlternatives
from django.template.loader import get_template

from input.models import Project

from .attachments import collect_and_attach

__all__ = [
    'build_email',
    'send_email',
    'collect_and_attach',
]


def build_email(template_name: str, context: dict, subject: str, *recipients: str, **kwargs):
    body = get_template(f'mails/{template_name}.txt').render(context)
    html = get_template(f'mails/{template_name}.html').render(context)

    kwargs.setdefault('from_email', settings.IF_EMAIL)

    kwargs['subject'] = subject
    kwargs['body'] = body
    kwargs['to'] = recipients

    email = EmailMultiAlternatives(**kwargs)

    email.attach_alternative(html, 'text/html')

    return email


def send_email(template_name: str, context: dict, subject: str, *recipients: str, fail_silently=False, **kwargs):
    return build_email(template_name, context, subject, *recipients, **kwargs).send(fail_silently)