hook mailchimp to contact forms
[edumed.git] / contact / forms.py
1 # -*- coding: utf-8 -*-
2 from django.contrib.sites.models import Site
3 from django.core.exceptions import ValidationError
4 from django.core.files.uploadedfile import UploadedFile
5 from django.core.mail import send_mail, mail_managers
6 from django.core.validators import validate_email
7 from django import forms
8 from django.template.loader import render_to_string
9 from django.template import RequestContext
10 from django.utils.translation import ugettext_lazy as _
11
12 from . import mailing
13
14
15 contact_forms = {}
16 admin_list_width = 0
17
18
19 class ContactFormMeta(forms.Form.__class__):
20     def __new__(cls, name, bases, attrs):
21         global admin_list_width
22         model = super(ContactFormMeta, cls).__new__(cls, name, bases, attrs)
23         assert model.form_tag not in contact_forms, 'Duplicate form_tag.'
24         if model.admin_list:
25             admin_list_width = max(admin_list_width, len(model.admin_list))
26         contact_forms[model.form_tag] = model
27         return model
28
29
30 class ContactForm(forms.Form):
31     """Subclass and define some fields."""
32     __metaclass__ = ContactFormMeta
33
34     form_tag = None
35     old_form_tags = []
36     form_title = _('Contact form')
37     submit_label = _('Submit')
38     admin_list = None
39     result_page = False
40     mailing_field = None
41
42     required_css_class = 'required'
43     contact = NotImplemented
44
45     def save(self, request, formsets=None):
46         from .models import Attachment, Contact
47         body = {}
48         for name, value in self.cleaned_data.items():
49             if not isinstance(value, UploadedFile) and name != 'contact':
50                 body[name] = value
51
52         for formset in formsets or []:
53             for f in formset.forms:
54                 sub_body = {}
55                 for name, value in f.cleaned_data.items():
56                     if not isinstance(value, UploadedFile):
57                         sub_body[name] = value
58                 if sub_body:
59                     body.setdefault(f.form_tag, []).append(sub_body)
60
61         contact = Contact.objects.create(
62             body=body,
63             ip=request.META['REMOTE_ADDR'],
64             contact=self.cleaned_data['contact'],
65             form_tag=self.form_tag)
66         for name, value in self.cleaned_data.items():
67             if isinstance(value, UploadedFile):
68                 attachment = Attachment(contact=contact, tag=name)
69                 attachment.file.save(value.name, value)
70                 attachment.save()
71
72         site = Site.objects.get_current()
73         dictionary = {
74             'form_tag': self.form_tag,
75             'site_name': getattr(self, 'site_name', site.name),
76             'site_domain': getattr(self, 'site_domain', site.domain),
77             'contact': contact,
78         }
79         context = RequestContext(request)
80         mail_managers_subject = render_to_string([
81                 'contact/%s/mail_managers_subject.txt' % self.form_tag,
82                 'contact/mail_managers_subject.txt', 
83             ], dictionary, context).strip()
84         mail_managers_body = render_to_string([
85                 'contact/%s/mail_managers_body.txt' % self.form_tag,
86                 'contact/mail_managers_body.txt', 
87             ], dictionary, context)
88         mail_managers(mail_managers_subject, mail_managers_body, fail_silently=True)
89
90         try:
91             validate_email(contact.contact)
92         except ValidationError:
93             pass
94         else:
95             mail_subject = render_to_string([
96                     'contact/%s/mail_subject.txt' % self.form_tag,
97                     'contact/mail_subject.txt', 
98                 ], dictionary, context).strip()
99             if self.result_page:
100                 mail_body = render_to_string(
101                     'contact/%s/results_email.txt' % contact.form_tag,
102                     {
103                         'contact': contact,
104                         'results': self.results(contact),
105                     }, context)
106             else:
107                 mail_body = render_to_string([
108                         'contact/%s/mail_body.txt' % self.form_tag,
109                         'contact/mail_body.txt',
110                     ], dictionary, context)
111             send_mail(mail_subject, mail_body, 'no-reply@%s' % site.domain, [contact.contact], fail_silently=True)
112             if self.mailing_field and self.cleaned_data[self.mailing_field]:
113                 email = self.cleaned_data['contact']
114                 mailing.subscribe(email)
115
116         return contact