symposion_app/vendor/symposion/utils/mail.py
Joel Addison 252697b842 Update to Django 2.2
Upgrade site and modules to Django 2.2. Remove and replace obsolete
functionality with current equivalents. Update requirements to latest
versions where possible. Remove unused dependencies.
2020-11-22 23:58:14 +10:00

58 lines
1.8 KiB
Python

import os
from django.conf import settings
from django.core.mail import EmailMultiAlternatives
from django.template.loader import render_to_string
from django.utils.html import strip_tags
from django.contrib.sites.models import Site
class Sender(object):
''' Class for sending e-mails under a template prefix. '''
def __init__(self, template_prefix):
self.template_prefix = template_prefix
def send_email(self, to, kind, **kwargs):
''' Sends an e-mail to the given address.
to: The address
kind: the ID for an e-mail kind; it should point to a subdirectory of
self.template_prefix containing subject.txt and message.html, which
are django templates for the subject and HTML message respectively.
context: a context for rendering the e-mail.
'''
return __send_email__(self.template_prefix, to, kind, **kwargs)
send_email = Sender("symposion/emails").send_email
def __send_email__(template_prefix, to, kind, **kwargs):
current_site = Site.objects.get_current()
ctx = {
"current_site": current_site,
"STATIC_URL": settings.STATIC_URL,
}
ctx.update(kwargs.get("context", {}))
subject_template = os.path.join(template_prefix, "%s/subject.txt" % kind)
message_template = os.path.join(template_prefix, "%s/message.html" % kind)
subject = "[%s] %s" % (
current_site.name,
render_to_string(subject_template, ctx).strip()
)
message_html = render_to_string(message_template, ctx)
message_plaintext = strip_tags(message_html)
from_email = settings.DEFAULT_FROM_EMAIL
email = EmailMultiAlternatives(subject, message_plaintext, from_email, to)
email.attach_alternative(message_html, "text/html")
email.send()