src/funding/widgets.py

   1 # This file is part of Wolnelektury, licensed under GNU Affero GPLv3 or later.
   2 # Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information.
   3 #
   4 from decimal import Decimal, DecimalException
   5 from django import forms
   6 from django.template.loader import render_to_string
   7
   8
   9 class PerksAmountWidget(forms.Textarea):
  10     @staticmethod
  11     def perks_input_name(name):
  12         return "_%s_perk" % name
  13
  14     def render(self, name, value, attrs=None, renderer=None):
  15         try:
  16             value = Decimal(value)
  17         except DecimalException:
  18             pass
  19         perks = list(self.form_instance.offer.get_perks())
  20         perk_chosen = False
  21         for perk in perks:
  22             if perk.price == value:
  23                 perk.chosen = True
  24                 perk_chosen = True
  25                 break
  26
  27         return render_to_string("funding/widgets/amount.html", {
  28                 "perks": perks,
  29                 "name": name,
  30                 "perks_input_name": self.perks_input_name(name),
  31                 "perk_chosen": perk_chosen,
  32                 "value": value,
  33                 "attrs": attrs,
  34             })
  35
  36     def value_from_datadict(self, data, files, name):
  37         num_str = data.get(self.perks_input_name(name)) or data[name]
  38         return num_str.replace(',', '.')