From 1faa608425f9509eadde495c49120d6b41d022c8 Mon Sep 17 00:00:00 2001
From: Christopher Neugebauer <chrisjrn@gmail.com>
Date: Sun, 21 Aug 2016 15:40:05 +1000
Subject: [PATCH] Adds email framework shamelessly stolen from Symposion

---
 registrasion/contrib/__init__.py |  0
 registrasion/contrib/mail.py     | 63 ++++++++++++++++++++++++++++++++
 2 files changed, 63 insertions(+)
 create mode 100644 registrasion/contrib/__init__.py
 create mode 100644 registrasion/contrib/mail.py

diff --git a/registrasion/contrib/__init__.py b/registrasion/contrib/__init__.py
new file mode 100644
index 00000000..e69de29b
diff --git a/registrasion/contrib/mail.py b/registrasion/contrib/mail.py
new file mode 100644
index 00000000..06ca8fd2
--- /dev/null
+++ b/registrasion/contrib/mail.py
@@ -0,0 +1,63 @@
+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 templete 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("registrasion/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
+
+    try:
+        bcc_email = settings.ENVELOPE_BCC_LIST
+    except AttributeError:
+        bcc_email = None
+
+    email = EmailMultiAlternatives(subject, message_plaintext, from_email, to, bcc=bcc_email)
+    email.attach_alternative(message_html, "text/html")
+    email.send()