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     )
  34
  35     def handle(self, *args, **options):
  36         translation.activate('pl')
  37         for target in ['to_teachers', 'to_students']:
  38             if options[target]:
  39                 self.sent = 0
  40                 self.failed = 0
  41                 getattr(self, 'handle_' + target)(*args, **options)
  42
  43     def handle_to_students(self, *args, **options):
  44         self.stdout.write('>>> Sending results to students')
  45         subject = 'Twój wynik w I etapie Wielkiego Turnieju Edukacji Medialnej'
  46
  47         for submission in get_submissions():
  48             final_result = submission.final_result
  49             if final_result < minimum:
  50                 template = 'results_student_failed.txt'
  51             else:
  52                 template = 'results_student_passed.txt'
  53             message = render_to_string('wtem/' + template, dict(final_result = submission.final_result))
  54             self.send_message(message, subject, submission.email)
  55
  56         self.sum_up()
  57
  58     def handle_to_teachers(self, *args, **kwargs):
  59         self.stdout.write('>>> Sending results to teachers')
  60         subject = 'Wyniki Twoich uczniów w I etapie Wielkiego Turnieju Edukacji Medialnej'
  61         failed = sent = 0
  62
  63         submissions_by_contact = dict()
  64
  65         for submission in get_submissions():
  66             submissions_by_contact.setdefault(submission.contact.id, []).append(submission)
  67
  68         for contact_id, submissions in submissions_by_contact.items():
  69             contact = Contact.objects.get(id=contact_id)
  70             message = render_to_string('wtem/results_teacher.txt', dict(submissions = submissions))
  71             self.send_message(message, subject, contact.contact)
  72
  73         self.sum_up()
  74
  75     def sum_up(self):
  76         self.stdout.write('sent: %s, failed: %s' % (self.sent, self.failed))
  77
  78     def send_message(self, message, subject, email):
  79         self.stdout.write('>>> sending results to %s' % email)
  80         try:
  81             send_mail(
  82                 subject = subject,
  83                 body = message,
  84                 to = [email]
  85             )
  86         except:
  87             self.failed += 1
  88             self.stdout.write('failed sending to: ' + email + ': ' + str(e))
  89         else:
  90             self.sent += 1
  91             self.stdout.write('message sent to: ' + email)
  92
  93