wtem/management/commands/wtem_send_results.py

   1 # -*- coding: utf-8 -*-
   2
   3 from optparse import make_option
   4
   5 from django.core.management.base import BaseCommand
   6 from django.conf import settings
   7 from wtem.management.commands import send_mail
   8 from django.utils import translation
   9 from django.template.loader import render_to_string
  10
  11 from contact.models import Contact
  12 from wtem.models import Submission
  13
  14
  15 def get_submissions():
  16     return Submission.objects.exclude(answers = None).all()
  17
  18 minimum = 47.5
  19
  20 class Command(BaseCommand):
  21
  22     option_list = BaseCommand.option_list + (
  23         make_option('--to-teachers',
  24             action='store_true',
  25             dest='to_teachers',
  26             default=False,
  27             help='Send emails to teachers'),
  28         make_option('--to-students',
  29             action='store_true',
  30             dest='to_students',
  31             default=False,
  32             help='Send emails to students'),
  33         make_option('--only-to',
  34             action='store',
  35             dest='only_to',
  36             default=None,
  37             help='Send emails to students'),
  38     )
  39
  40     def handle(self, *args, **options):
  41         translation.activate('pl')
  42         for target in ['to_teachers', 'to_students']:
  43             if options[target]:
  44                 self.sent = 0
  45                 self.failed = 0
  46                 getattr(self, 'handle_' + target)(*args, **options)
  47
  48     def handle_to_students(self, *args, **options):
  49         self.stdout.write('>>> Sending results to students')
  50         subject = 'Twój wynik w I etapie Wielkiego Turnieju Edukacji Medialnej'
  51
  52         for submission in get_submissions():
  53             if options['only_to'] and submission.email != options['only_to']:
  54                 continue
  55             final_result = submission.final_result
  56             if final_result < minimum:
  57                 template = 'results_student_failed.txt'
  58             else:
  59                 template = 'results_student_passed.txt'
  60             message = render_to_string('wtem/' + template, dict(final_result = submission.final_result))
  61             self.send_message(message, subject, submission.email)
  62
  63         self.sum_up()
  64
  65     def handle_to_teachers(self, *args, **options):
  66         self.stdout.write('>>> Sending results to teachers')
  67         subject = 'Wyniki Twoich uczniów w I etapie Wielkiego Turnieju Edukacji Medialnej'
  68         failed = sent = 0
  69
  70         submissions_by_contact = dict()
  71
  72         for submission in get_submissions():
  73             if options['only_to'] and submission.contact.contact != options['only_to']:
  74                 continue
  75             submissions_by_contact.setdefault(submission.contact.id, []).append(submission)
  76
  77         for contact_id, submissions in submissions_by_contact.items():
  78             contact = Contact.objects.get(id=contact_id)
  79             message = render_to_string('wtem/results_teacher.txt', dict(submissions = submissions))
  80             self.send_message(message, subject, contact.contact)
  81
  82         self.sum_up()
  83
  84     def sum_up(self):
  85         self.stdout.write('sent: %s, failed: %s' % (self.sent, self.failed))
  86
  87     def send_message(self, message, subject, email):
  88         self.stdout.write('>>> sending results to %s' % email)
  89         try:
  90             send_mail(
  91                 subject = subject,
  92                 body = message,
  93                 to = [email]
  94             )
  95         except:
  96             self.failed += 1
  97             self.stdout.write('failed sending to: ' + email + ': ' + str(e))
  98         else:
  99             self.sent += 1
 100             self.stdout.write('message sent to: ' + email)
 101
 102