From 565a353375dd961a8b0a54c6efd06a8fd7942ea7 Mon Sep 17 00:00:00 2001
From: Christopher Neugebauer <chrisjrn@gmail.com>
Date: Sun, 21 Aug 2016 15:28:22 +1000
Subject: [PATCH] send_mail is no longer hardwired to point at symposion/emails
 (who does that?!)

---
 symposion/utils/mail.py | 39 +++++++++++++++++++++++++++++++++++----
 1 file changed, 35 insertions(+), 4 deletions(-)

diff --git a/symposion/utils/mail.py b/symposion/utils/mail.py
index 8789e044..4204b4b6 100644
--- a/symposion/utils/mail.py
+++ b/symposion/utils/mail.py
@@ -1,3 +1,5 @@
+import os
+
 from django.conf import settings
 from django.core.mail import EmailMultiAlternatives
 from django.template.loader import render_to_string
@@ -6,7 +8,30 @@ from django.utils.html import strip_tags
 from django.contrib.sites.models import Site
 
 
-def send_email(to, kind, **kwargs):
+def sender(template_prefix):
+    ''' Creates a function called `send_email` '''
+
+    def send_email(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
+            %(template_prefix)s 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.
+
+        ''' % {"template_prefix": template_prefix}
+
+        return __send_email__(template_prefix, to, kind, **kwargs)
+
+    return send_email
+
+
+send_email = sender("symposion/emails")
+
+
+def __send_email__(template_prefix, to, kind, **kwargs):
 
     current_site = Site.objects.get_current()
 
@@ -15,16 +40,22 @@ def send_email(to, kind, **kwargs):
         "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("symposion/emails/%s/subject.txt" % kind, ctx).strip()
+        render_to_string(subject_template, ctx).strip()
     )
 
-    message_html = render_to_string("symposion/emails/%s/message.html" % kind, ctx)
+    message_html = render_to_string(message_template, ctx)
     message_plaintext = strip_tags(message_html)
 
     from_email = settings.DEFAULT_FROM_EMAIL
-    bcc_email = settings.ENVELOPE_BCC_LIST
+
+    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")