apps/funding/forms.py

   1 from django import forms
   2 from django.utils.translation import ugettext_lazy as _, ugettext as __
   3 from .models import Funding
   4 from .widgets import PerksAmountWidget
   5
   6
   7 class FundingForm(forms.Form):
   8     required_css_class = 'required'
   9
  10     amount = forms.DecimalField(label=_("Amount"), decimal_places=2,
  11         widget=PerksAmountWidget())
  12     name = forms.CharField(label=_("Name"), required=False,
  13         help_text=_("Optional name for public list of contributors"))
  14     email = forms.EmailField(label=_("Contact e-mail"),
  15         help_text=_("We'll use it to contact you about your perks and fundraiser status and payment updates.<br/> "
  16             "Won't be publicised."), required=False)
  17
  18     def __init__(self, offer, *args, **kwargs):
  19         self.offer = offer
  20         super(FundingForm, self).__init__(*args, **kwargs)
  21         self.fields['amount'].widget.form_instance = self
  22
  23     def clean_amount(self):
  24         if self.cleaned_data['amount'] <= 0:
  25             raise forms.ValidationError(__("Enter positive amount."))
  26         return self.cleaned_data['amount']
  27
  28     def clean(self):
  29         if not self.offer.is_current():
  30             raise forms.ValidationError(__("This offer is out of date."))
  31         return self.cleaned_data
  32
  33     def save(self):
  34         funding = Funding.objects.create(
  35             offer=self.offer,
  36             name=self.cleaned_data['name'],
  37             email=self.cleaned_data['email'],
  38             amount=self.cleaned_data['amount'],
  39         )
  40         funding.perks = funding.offer.get_perks(funding.amount)
  41         return funding
  42