apps/funding/forms.py

   1 from django.conf import settings
   2 from django import forms
   3 from django.utils import formats
   4 from django.utils.translation import ugettext_lazy as _, ugettext, get_language
   5 from .models import Funding
   6 from .widgets import PerksAmountWidget
   7
   8
   9 class FundingForm(forms.Form):
  10     required_css_class = 'required'
  11
  12     amount = forms.DecimalField(label=_("Amount"), decimal_places=2,
  13         widget=PerksAmountWidget())
  14     name = forms.CharField(label=_("Name"), required=False,
  15         help_text=_("Optional name for public list of contributors"))
  16     email = forms.EmailField(label=_("Contact e-mail"),
  17         help_text=_("We'll use it to contact you about your perks and fundraiser status and payment updates.<br/> "
  18             "Won't be publicised."), required=False)
  19
  20     def __init__(self, offer, *args, **kwargs):
  21         self.offer = offer
  22         super(FundingForm, self).__init__(*args, **kwargs)
  23         self.fields['amount'].widget.form_instance = self
  24
  25     def clean_amount(self):
  26         if self.cleaned_data['amount'] < settings.FUNDING_MIN_AMOUNT:
  27             min_amount = settings.FUNDING_MIN_AMOUNT
  28             if isinstance(settings.FUNDING_MIN_AMOUNT, float):
  29                 min_amount = formats.number_format(settings.FUNDING_MIN_AMOUNT, 2)
  30             raise forms.ValidationError(
  31                 ugettext("The minimum amount is %(amount)s PLN.") % {
  32                     'amount': min_amount})
  33         return self.cleaned_data['amount']
  34
  35     def clean(self):
  36         if not self.offer.is_current():
  37             raise forms.ValidationError(ugettext("This offer is out of date."))
  38         return self.cleaned_data
  39
  40     def save(self):
  41         funding = Funding.objects.create(
  42             offer=self.offer,
  43             name=self.cleaned_data['name'],
  44             email=self.cleaned_data['email'],
  45             amount=self.cleaned_data['amount'],
  46             language_code = get_language(),
  47         )
  48         funding.perks = funding.offer.get_perks(funding.amount)
  49         return funding
  50