wtem/management/commands/wtem_email_teachers.py

   1 # -*- coding: utf-8 -*-
   2
   3 import sys
   4 from optparse import make_option
   5
   6 from django.core.management.base import BaseCommand, CommandError
   7 from django.conf import settings
   8 from wtem.management.commands import send_mail
   9 from django.template.loader import render_to_string
  10
  11 from contact.models import Contact
  12
  13
  14 class Command(BaseCommand):
  15     def handle(self, *args, **options):
  16         sent = 0
  17         failed = 0
  18
  19         query = Contact.objects.filter(form_tag = 'wtem').order_by('contact').distinct('contact')
  20         template_name = args[0]
  21         message = render_to_string('wtem/' + template_name + '.txt')
  22         subject = render_to_string('wtem/' + template_name + '_subject.txt')
  23
  24         answer = raw_input('Send the following to %d teachers with subject "%s"\n\n %s\n\n?' % \
  25             (query.count(), subject.encode('utf8'), message.encode('utf8')))
  26
  27         if answer == 'yes':
  28             for contact in query:
  29                 try:
  30                     self.send_message(message, subject, contact.contact)
  31                 except Exception as e:
  32                     failed += 1
  33                     self.stdout.write('failed sending to: ' + contact.contact + ' - ' + str(e))
  34                 else:
  35                     sent += 1
  36                     self.stdout.write('message sent to: ' + contact.contact)
  37
  38         self.stdout.write('sent: %s, failed: %s' % (sent, failed))
  39
  40     def send_message(self, message, subject, email):
  41         self.stdout.write('>>> sending to %s' % email)
  42         send_mail(
  43             subject = subject,
  44             body = message,
  45             to = [email]
  46         )
  47