def formatDonationAmount(amount, currency_code):
currency = getCurrencyDictAt(currency_code)
if currency['setting']['number_decimals'] != 0:
# amount must now be a whole integer since number_decimals is at most 2
amount *= 100
formatted_str = str(int(amount))
return formatted_str
def __init__(self, *args, subscription=None, **kwargs):
super().__init__(*args, **kwargs)
currency_set = getCurrencyDictAt(subscription.currency)
if not subscription:
raise ValueError(_('Please provide a subscription object'))
self.fields["subscription_id"].initial = subscription.profile_id
self.fields["subscription_id"].widget.attrs['disabled'] = True
self.fields["currency"].initial = html.unescape(
currency_set['admin_label'])
self.fields["currency"].widget.attrs['disabled'] = True
self.fields["recurring_amount"] = forms.DecimalField(
label=_('Recurring donation amount'),
min_value=Decimal('0.01'),
decimal_places=getCurrencyDictAt(
subscription.currency)['setting']['number_decimals'])
self.fields[
"recurring_amount"].initial = subscription.recurring_amount if currency_set[
'setting']['number_decimals'] != 0 else int(
subscription.recurring_amount)
def format_payment_amount(amount, currency_code):
"""
When submitting a new payment, use the donation's currency to format the donation amount .
Amount needs to be formatted into 12 digit format with leading zero.
Minor unit appended to the last digit depending on number of Minor unit specified in ISO 4217. https://developer.2c2p.com/docs/payment-requestresponse-parameters
"""
currency = getCurrencyDictAt(currency_code)
decnum = currency['setting']['number_decimals']
amount_str = str(int(Decimal(amount) *
10**decnum)) if decnum != 0 else str(int(amount))
formatted = "{:0>12}".format(amount_str)
return formatted
def redirect_to_gateway_url(self):
"""
Overriding parent implementation as 2C2P has to receive a form post from client browser.
See docs https://developer.2c2p.com/docs/payment-requestresponse-parameters on recurring parameters behavior
"""
data = {}
data['version'] = REDIRECT_API_VERSION
data['merchant_id'] = self.settings.merchant_id
data['order_id'] = self.donation.transaction_id
data['currency'] = getCurrencyDictAt(self.donation.currency)['code']
# Beware: self.donation.donation_amount param is str in type
data['amount'] = format_payment_amount(self.donation.donation_amount,
self.donation.currency)
# Apr 20 Tested result_url_1/2 working (such that merchant portal no need manual setting) after follow up with 2C2P Sum (an internal 2C2P settings needs to be turned on by them)
# todo: Apr 21 2C2P server is not firing back the request from the new recurring payments (need follow up with Sum again)
data['result_url_1'] = reverse_with_site_url(
'donations:return-from-2c2p')
data['result_url_2'] = reverse_with_site_url(
'donations:verify-2c2p-response')
data['user_defined_1'] = str(self.donation.id)
if self.donation.is_recurring:
data['payment_description'] = _(
'Recurring Donation for %(site)s') % {
'site': get_site_name()
}
data['request_3ds'] = 'Y'
data['recurring'] = 'Y'
data['order_prefix'] = gen_order_prefix_2c2p()
data['recurring_amount'] = format_payment_amount(
self.donation.donation_amount, self.donation.currency)
data['allow_accumulate'] = 'N'
data['recurring_count'] = 0
data['payment_option'] = 'A'
# - daily recurring for testing
data['recurring_interval'] = 1
data['charge_next_date'] = getNextDateFromRecurringInterval(
data['recurring_interval'], '%d%m%Y')
# - monthly recurring(normal behavior)
# getRecurringDateNextMonth requires the superuser to set the timezone first
# data['charge_on_date'] = getRecurringDateNextMonth('%d%m')
# append order_prefix to donation metas for distinguishment
# dpmeta = DonationPaymentMeta(
# donation=self.donation, field_key='order_prefix', field_value=data['order_prefix'])
# dpmeta.save()
else:
data['payment_description'] = _(
'Onetime Donation for %(site)s') % {
'site': get_site_name()
}
params = ''
for key in getRequestParamOrder():
if key in data.keys():
params += str(data[key])
# python 3.6 code
data['hash_value'] = hmac.new(bytes(self.settings.secret_key, 'utf-8'),
bytes(params, 'utf-8'),
hashlib.sha256).hexdigest()
return render(self.request, 'donations/redirection_2c2p_form.html', {
'action': self.base_gateway_redirect_url(),
'data': data
})
def formatDonationAmountFromGateway(amount_str, currency_code):
currency = getCurrencyDictAt(currency_code)
if currency['setting']['number_decimals'] != 0:
# need to divide amount by 100
return Decimal(amount_str)/100
return Decimal(amount_str)