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 the <strong>details needed for your perks</strong>,<br/>"
  18             "and to send you updates about your payment and the fundraiser status (which you can always turn off).<br/>"
  19             "Your e-mail won't be publicised."), required=False)
  20
  21     def __init__(self, offer, *args, **kwargs):
  22         self.offer = offer
  23         super(FundingForm, self).__init__(*args, **kwargs)
  24         self.fields['amount'].widget.form_instance = self
  25
  26     def clean_amount(self):
  27         if self.cleaned_data['amount'] < settings.FUNDING_MIN_AMOUNT:
  28             min_amount = settings.FUNDING_MIN_AMOUNT
  29             if isinstance(settings.FUNDING_MIN_AMOUNT, float):
  30                 min_amount = formats.number_format(settings.FUNDING_MIN_AMOUNT, 2)
  31             raise forms.ValidationError(
  32                 ugettext("The minimum amount is %(amount)s PLN.") % {
  33                     'amount': min_amount})
  34         return self.cleaned_data['amount']
  35
  36     def clean(self):
  37         if not self.offer.is_current():
  38             raise forms.ValidationError(ugettext("This offer is out of date."))
  39         return self.cleaned_data
  40
  41     def save(self):
  42         funding = Funding.objects.create(
  43             offer=self.offer,
  44             name=self.cleaned_data['name'],
  45             email=self.cleaned_data['email'],
  46             amount=self.cleaned_data['amount'],
  47             language_code = get_language(),
  48         )
  49         funding.perks = funding.offer.get_perks(funding.amount)
  50         return funding
  51