FEAT: Add admin email notif when an account is activated and awaiting approval

No async or time-since shenanigans yet!

RIGS/forms.py

@@ -2,6 +2,7 @@ from django import forms
 from django.utils import formats
 from django.conf import settings
 from django.core import serializers
+from django.core.mail import EmailMessage, EmailMultiAlternatives
 from django.contrib.auth.forms import UserCreationForm, UserChangeForm, AuthenticationForm, PasswordResetForm
 from registration.forms import RegistrationFormUniqueEmail
 from django.contrib.auth.forms import AuthenticationForm
@@ -33,7 +34,6 @@ class ProfileRegistrationFormUniqueEmail(RegistrationFormUniqueEmail):
             raise forms.ValidationError("These initials are already in use. Please supply different initials.")
         return self.cleaned_data['initials']
 
-
 class CheckApprovedForm(AuthenticationForm):
     def confirm_login_allowed(self, user):
         if user.is_approved or user.is_superuser:

RIGS/models.py

@@ -54,6 +54,9 @@ class Profile(AbstractUser):
     def latest_events(self):
         return self.event_mic.order_by('-start_date').select_related('person', 'organisation', 'venue', 'mic')
 
+    def users_awaiting_approval_count(self):
+        return self.filter(models.Q(is_approved=False)).count()
+
     def __str__(self):
         return self.name
 

RIGS/signals.py

@@ -10,6 +10,7 @@ from django.conf import settings
 from django.contrib.staticfiles.storage import staticfiles_storage
 from django.core.mail import EmailMessage, EmailMultiAlternatives
 from django.template.loader import get_template
+from registration.signals import user_activated
 from premailer import Premailer
 from z3c.rml import rml2pdf
 
@@ -102,3 +103,28 @@ def on_revision_commit(sender, instance, created, **kwargs):
 
 
 post_save.connect(on_revision_commit, sender=models.EventAuthorisation)
+
+
+def send_admin_awaiting_approval_email(user, request, **kwargs):
+    for admin in settings.ADMINS:
+        context = {
+            'request': request,
+            'link_suffix': 'admin/RIGS/profile/?is_approved__exact=0',
+            'number_of_users': models.Profile.users_awaiting_approval_count(models.Profile.objects),
+            'to_name': admin[0]
+        }
+
+        email = EmailMultiAlternatives(
+            "%s new users awaiting approval on RIGS" % (context['number_of_users']),
+            get_template("RIGS/admin_awaiting_approval.txt").render(context),
+            to=[admin[1]],
+            reply_to=[user.email],
+        )
+        css = staticfiles_storage.path('css/email.css')
+        html = Premailer(get_template("RIGS/admin_awaiting_approval.html").render(context),
+                         external_styles=css).transform()
+        email.attach_alternative(html, 'text/html')
+        email.send()
+
+
+user_activated.connect(send_admin_awaiting_approval_email)

RIGS/templates/RIGS/admin_awaiting_approval.html

@@ -0,0 +1,9 @@
+{% extends 'base_client_email.html' %}
+
+{% block content %}
+    <p>Hi {{ to_name|default_if_none:"Administrator" }},</p>
+
+    <p>{{ number_of_users|default_if_none:"Some" }} new users are awaiting administrator approval on RIGS. Click <a href="{{ request.scheme }}://{{ request.get_host }}{{ link_suffix }}">here</a> to  approve them.</p>
+
+    <p>TEC PA &amp; Lighting</p>
+{% endblock %}

RIGS/templates/RIGS/admin_awaiting_approval.txt

@@ -0,0 +1,5 @@
+Hi {{ to_name|default_if_none:"Administrator" }},
+
+{{ number_of_users|default_if_none:"Some" }} new users are awaiting administrator approval on RIGS. Use this link to approve them: {{ request.scheme }}://{{ request.get_host }}/{{ link_suffix }}
+
+TEC PA & Lighting