146 lines
5.3 KiB
Python
146 lines
5.3 KiB
Python
# eopayment - online payment library
|
|
# Copyright (C) 2011-2020 Entr'ouvert
|
|
#
|
|
# This program is free software: you can redistribute it and/or modify it
|
|
# under the terms of the GNU Affero General Public License as published
|
|
# by the Free Software Foundation, either version 3 of the License, or
|
|
# (at your option) any later version.
|
|
#
|
|
# This program is distributed in the hope that it will be useful,
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
# GNU Affero General Public License for more details.
|
|
#
|
|
# You should have received a copy of the GNU Affero General Public License
|
|
# along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
from .common import _
|
|
|
|
import requests
|
|
from six.moves.urllib.parse import parse_qs, urljoin
|
|
|
|
from .common import (CANCELLED, ERROR, PAID, URL, PaymentCommon,
|
|
PaymentException, PaymentResponse, ResponseError, WAITING,
|
|
ACCEPTED)
|
|
|
|
__all__ = ['Payment']
|
|
|
|
|
|
class Payment(PaymentCommon):
|
|
'''Implements Mollie API, see https://docs.mollie.com/reference/v2/.'''
|
|
service_url = 'https://api.mollie.com/v2/'
|
|
|
|
description = {
|
|
'caption': 'Mollie payment backend',
|
|
'parameters': [
|
|
{
|
|
'name': 'normal_return_url',
|
|
'caption': _('Normal return URL'),
|
|
'required': True,
|
|
},
|
|
{
|
|
'name': 'automatic_return_url',
|
|
'caption': _('Asychronous return URL'),
|
|
'required': True,
|
|
},
|
|
{
|
|
'name': 'service_url',
|
|
'caption': _('URL of the payment service'),
|
|
'default': service_url,
|
|
'type': str,
|
|
'validation': lambda x: x.startswith('https'),
|
|
},
|
|
{
|
|
'name': 'api_key',
|
|
'caption': _('API key'),
|
|
'required': True,
|
|
'validation': lambda x: x.startswith('test_') or x.startswith('live_'),
|
|
},
|
|
{
|
|
'name': 'description_text',
|
|
'caption': _('General description that will be displayed for all payments'),
|
|
'required': True,
|
|
},
|
|
],
|
|
}
|
|
|
|
def request(self, amount, **kwargs):
|
|
amount = self.clean_amount(amount, cents=False)
|
|
|
|
metadata = {k: v for k, v in kwargs.items()
|
|
if k in ('email', 'first_name', 'last_name') and v is not None}
|
|
body = {
|
|
'amount': {
|
|
'value': amount,
|
|
'currency': 'EUR',
|
|
},
|
|
'redirectUrl': self.normal_return_url,
|
|
'webhookUrl': self.automatic_return_url,
|
|
'metadata': metadata,
|
|
'description': self.description_text,
|
|
}
|
|
|
|
resp = self.call_endpoint('POST', 'payments', data=body)
|
|
|
|
return resp['id'], URL, resp['_links']['checkout']['href']
|
|
|
|
def response(self, query_string, redirect=False, order_id_hint=None,
|
|
order_status_hint=None, **kwargs):
|
|
if redirect:
|
|
if order_status_hint in (PAID, CANCELLED, ERROR):
|
|
return PaymentResponse(order_id=order_id_hint, result=order_status_hint)
|
|
else:
|
|
payment_id = order_id_hint
|
|
elif query_string:
|
|
fields = parse_qs(query_string)
|
|
payment_id = fields['id'][0]
|
|
else:
|
|
raise ResponseError('cannot infer payment id')
|
|
|
|
resp = self.call_endpoint('GET', 'payments/' + payment_id)
|
|
|
|
status = resp['status']
|
|
if status == 'paid':
|
|
result = PAID
|
|
elif status in ('canceled', 'expired'):
|
|
result = CANCELLED
|
|
elif status in ('open', 'pending'):
|
|
result = WAITING
|
|
elif status == 'authorized':
|
|
result = ACCEPTED
|
|
else:
|
|
result = ERROR
|
|
|
|
response = PaymentResponse(
|
|
result=result,
|
|
signed=True,
|
|
bank_data=resp,
|
|
order_id=payment_id,
|
|
transaction_id=payment_id,
|
|
bank_status=status,
|
|
test=resp['mode'] == 'test'
|
|
)
|
|
return response
|
|
|
|
def call_endpoint(self, method, endpoint, data=None):
|
|
url = urljoin(self.service_url, endpoint)
|
|
headers = {'Authorization': 'Bearer %s' % self.api_key}
|
|
try:
|
|
response = requests.request(method, url, headers=headers, json=data)
|
|
except requests.exceptions.RequestException as e:
|
|
raise PaymentException('%s error on endpoint "%s": %s' % (method, endpoint, e))
|
|
try:
|
|
result = response.json()
|
|
except ValueError:
|
|
self.logger.debug('received invalid json %r', response.text)
|
|
raise PaymentException('%s on endpoint "%s" returned invalid JSON: %s' %
|
|
(method, endpoint, response.text))
|
|
self.logger.debug('received "%s" with status %s', result, response.status_code)
|
|
try:
|
|
response.raise_for_status()
|
|
except requests.exceptions.HTTPError as e:
|
|
raise PaymentException(
|
|
'%s error on endpoint "%s": %s "%s"' % (method, endpoint, e,
|
|
result.get('detail', result)))
|
|
return result
|