Code layout change.

[wolnelektury.git] / src / funding / forms.py

diff --git a/src/funding/forms.py b/src/funding/forms.py
new file mode 100644 (file)
index 0000000..6ed9076
--- /dev/null
+++ b/src/funding/forms.py
@@ -0,0 +1,55 @@
+# -*- coding: utf-8 -*-
+# This file is part of Wolnelektury, licensed under GNU Affero GPLv3 or later.
+# Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information.
+#
+from django import forms
+from django.utils import formats
+from django.utils.translation import ugettext_lazy as _, ugettext, get_language
+from .models import Funding
+from .widgets import PerksAmountWidget
+from . import app_settings
+
+
+class FundingForm(forms.Form):
+    required_css_class = 'required'
+
+    amount = forms.DecimalField(label=_("Amount"), decimal_places=2,
+        widget=PerksAmountWidget())
+    name = forms.CharField(label=_("Name"), required=False,
+        help_text=_("Optional name for public list of contributors"))
+    email = forms.EmailField(label=_("Contact e-mail"),
+        help_text=_("We'll use it to contact you about the <strong>details needed for your perks</strong>,<br/>"
+            "and to send you updates about your payment and the fundraiser status (which you can always turn off).<br/>"
+            "Your e-mail won't be publicised."), required=False)
+
+    def __init__(self, offer, *args, **kwargs):
+        self.offer = offer
+        super(FundingForm, self).__init__(*args, **kwargs)
+        self.fields['amount'].widget.form_instance = self
+
+    def clean_amount(self):
+        if self.cleaned_data['amount'] < app_settings.MIN_AMOUNT:
+            min_amount = app_settings.MIN_AMOUNT
+            if isinstance(min_amount, float):
+                min_amount = formats.number_format(min_amount, 2)
+            raise forms.ValidationError(
+                ugettext("The minimum amount is %(amount)s PLN.") % {
+                    'amount': min_amount})
+        return self.cleaned_data['amount']
+
+    def clean(self):
+        if not self.offer.is_current():
+            raise forms.ValidationError(ugettext("This offer is out of date."))
+        return self.cleaned_data
+
+    def save(self):
+        funding = Funding.objects.create(
+            offer=self.offer,
+            name=self.cleaned_data['name'],
+            email=self.cleaned_data['email'],
+            amount=self.cleaned_data['amount'],
+            language_code=get_language(),
+        )
+        funding.perks = funding.offer.get_perks(funding.amount)
+        return funding
+