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