def email_users_view(request,
mailing_list=False,
template_name='studioadmin/email_users_form.html'):
if mailing_list:
subscribed, _ = Group.objects.get_or_create(name='subscribed')
users_to_email = subscribed.user_set.all()
else:
users_to_email = User.objects.filter(
id__in=request.session['users_to_email'])
if request.method == 'POST':
form = EmailUsersForm(request.POST)
test_email = request.POST.get('send_test', False)
if form.is_valid():
subject = '{}{}'.format(form.cleaned_data['subject'],
' [TEST EMAIL]' if test_email else '')
from_address = form.cleaned_data['from_address']
message = form.cleaned_data['message']
cc = form.cleaned_data['cc']
# bcc recipients
email_addresses = [user.email for user in users_to_email]
email_count = len(email_addresses)
number_of_emails = ceil(email_count / 99)
if test_email:
email_lists = [[from_address]]
else:
email_lists = [email_addresses] # will be a list of lists
# split into multiple emails of 99 bcc plus 1 cc
if email_count > 99:
email_lists = [
email_addresses[i:i + 99]
for i in range(0, email_count, 99)
]
host = 'http://{}'.format(request.META.get('HTTP_HOST'))
try:
for i, email_list in enumerate(email_lists):
ctx = {
'subject': subject,
'message': message,
'number_of_emails': number_of_emails,
'email_count': email_count,
'is_test': test_email,
'mailing_list': mailing_list,
'host': host,
}
msg = EmailMultiAlternatives(
subject,
get_template(
'studioadmin/email/email_users.txt').render(ctx),
bcc=email_list,
cc=[from_address] if
(i == 0 and cc and not test_email) else [],
reply_to=[from_address])
msg.attach_alternative(
get_template(
'studioadmin/email/email_users.html').render(ctx),
"text/html")
msg.send(fail_silently=False)
if not test_email:
ActivityLog.objects.create(
log='{} email with subject "{}" sent to users {} by'
' admin user {}'.format(
'Mailing list' if mailing_list else 'Bulk',
subject, ', '.join(
email_list), request.user.username))
except Exception as e:
# send mail to tech support with Exception
send_support_email(e, __name__, "Bulk Email to students")
ActivityLog.objects.create(
log="Possible error with sending {} email; "
"notification sent to tech support".format(
'mailing list' if mailing_list else 'bulk'))
if not test_email:
ActivityLog.objects.create(
log='{} email error '
'(email subject "{}"), sent by '
'by admin user {}'.format(
'Mailing list' if mailing_list else 'Bulk',
subject, request.user.username))
if not test_email:
messages.success(
request, '{} email with subject "{}" has been sent to '
'users'.format('Mailing list' if mailing_list else 'Bulk',
subject))
return HttpResponseRedirect(reverse('studioadmin:users'))
else:
messages.success(
request, 'Test email has been sent to {} only. Click '
'"Send Email" below to send this email to '
'users.'.format(from_address))
# Do this if form not valid OR sending test email
event_ids = request.session.get('events', [])
lesson_ids = request.session.get('lessons', [])
events = Event.objects.filter(id__in=event_ids)
lessons = Event.objects.filter(id__in=lesson_ids)
if form.errors:
totaleventids = event_ids + lesson_ids
totalevents = Event.objects.filter(id__in=totaleventids)
messages.error(
request,
mark_safe("Please correct errors in form: {}".format(
form.errors)))
form = EmailUsersForm(
initial={
'subject': "; ".join((str(event) for event in totalevents))
})
if test_email:
form = EmailUsersForm(request.POST)
else:
event_ids = ast.literal_eval(request.GET.get('events', '[]'))
events = Event.objects.filter(id__in=event_ids)
lesson_ids = ast.literal_eval(request.GET.get('lessons', '[]'))
lessons = Event.objects.filter(id__in=lesson_ids)
totaleventids = event_ids + lesson_ids
totalevents = Event.objects.filter(id__in=totaleventids)
form = EmailUsersForm(
initial={
'subject': "; ".join((str(event) for event in totalevents))
})
return TemplateResponse(
request, template_name, {
'form': form,
'users_to_email': users_to_email,
'sidenav_selection':
'mailing_list' if mailing_list else 'email_users',
'events': events,
'lessons': lessons,
'mailing_list': mailing_list
})
def test_missing_message(self):
form = EmailUsersForm(data=self.form_data({'message': ''}))
self.assertFalse(form.is_valid())
self.assertEquals(form.errors['message'], ['This field is required.'])
def test_form_valid(self):
form = EmailUsersForm(data=self.form_data())
self.assertTrue(form.is_valid())
def test_missing_from_address(self):
form = EmailUsersForm(data=self.form_data({'from_address': ''}))
self.assertFalse(form.is_valid())
self.assertEquals(form.errors['from_address'],
['This field is required.'])
def email_users_view(request,
template_name='studioadmin/email_users_form.html'):
users_to_email = User.objects.filter(
id__in=request.session['users_to_email'])
if request.method == 'POST':
form = EmailUsersForm(request.POST)
if form.is_valid():
subject = '{} {}'.format(settings.ACCOUNT_EMAIL_SUBJECT_PREFIX,
form.cleaned_data['subject'])
from_address = form.cleaned_data['from_address']
message = form.cleaned_data['message']
cc = form.cleaned_data['cc']
# do this per email address so recipients are not visible to
# each
email_addresses = [user.email for user in users_to_email]
for email_address in email_addresses:
try:
msg = EmailMultiAlternatives(
subject,
message,
from_address, [email_address],
cc=[from_address] if cc else [],
reply_to=[from_address])
msg.attach_alternative(
get_template(
'studioadmin/email/email_users.html').render({
'subject':
subject,
'message':
message
}), "text/html")
msg.send(fail_silently=False)
except Exception as e:
# send mail to tech support with Exception
send_support_email(e, __name__, "Bulk Email to students")
ActivityLog.objects.create(
log="Possible error with "
"sending bulk email; notification sent to tech support"
)
ActivityLog.objects.create(
log='Bulk email with subject "{}" sent to users {} by '
'admin user {}'.format(subject, email_addresses,
request.user.username))
return render(request, 'studioadmin/email_users_confirmation.html')
else:
messages.error(
request,
mark_safe("Please correct errors in form: {}".format(
form.errors)))
else:
form = EmailUsersForm()
return TemplateResponse(
request, template_name, {
'form': form,
'users_to_email': users_to_email,
'sidenav_selection': 'email_users',
})