def charge(db, route, amount, return_url, billing_address=None):
"""Charge the given credit card (`route`).
Amount should be the nominal amount. We'll compute fees below this function
and add it to amount to end up with charge_amount.
"""
assert isinstance(amount, (Decimal, Money)), type(amount)
assert route
assert route.network == 'mango-cc'
participant = route.participant
amount = Money(amount, 'EUR') if isinstance(amount, Decimal) else amount
charge_amount, fee, vat = upcharge_card(amount)
amount = charge_amount - fee
wallet = participant.get_current_wallet(amount.currency, create=True)
e_id = record_exchange(db, route, amount, fee, vat, participant, 'pre').id
payin = DirectPayIn()
payin.AuthorId = participant.mangopay_user_id
if billing_address:
payin.Billing = {'Address': billing_address}
payin.CreditedWalletId = wallet.remote_id
payin.DebitedFunds = Money_to_cents(charge_amount)
payin.CardId = route.address
payin.SecureMode = 'FORCE'
payin.SecureModeReturnURL = return_url
payin.Fees = Money_to_cents(fee)
payin.Tag = str(e_id)
try:
test_hook()
payin.save()
except Exception as e:
error = repr_exception(e)
return record_exchange_result(db, e_id, '', 'failed', error, participant)
if payin.SecureModeRedirectURL:
raise Redirect(payin.SecureModeRedirectURL)
return record_exchange_result(
db, e_id, payin.Id, payin.Status.lower(), repr_error(payin), participant
)
def test_upcharge_at_min_minus_one_cent(self):
actual = upcharge_card(PAYIN_CARD_MIN['EUR'] - EUR('0.01'))
expected = upcharge_card(PAYIN_CARD_MIN['EUR'])
assert actual == expected
def test_upcharge_at_one_cent(self):
actual = upcharge_card(EUR('0.01'))
expected = upcharge_card(PAYIN_CARD_MIN['EUR'])
assert actual == expected
def test_upcharge_at_target(self):
actual = upcharge_card(PAYIN_CARD_TARGET['EUR'])
expected = (EUR('94.19'), EUR('2.19'), EUR('0.32'))
assert actual == expected
assert actual[1] / actual[0] < D('0.024') # less than 2.4% fee
def test_upcharge_at_min(self):
actual = upcharge_card(PAYIN_CARD_MIN['EUR'])
expected = (EUR('15.54'), EUR('0.54'), EUR('0.08'))
assert actual == expected
assert actual[1] / actual[0] < D('0.035') # less than 3.5% fee
def test_upcharge_full_in_rounded_case(self):
actual = upcharge_card(EUR('5.00'))
expected = upcharge_card(PAYIN_CARD_MIN['EUR'])
assert actual == expected
def test_upcharge_basically_works(self):
actual = upcharge_card(EUR('20.00'))
expected = (EUR('20.65'), EUR('0.65'), EUR('0.10'))
assert actual == expected
