dynamicweb/utils/stripe_utils.py
2017-06-29 17:34:40 +03:00

136 lines
4.4 KiB
Python

import stripe
from django.conf import settings
stripe.api_key = settings.STRIPE_API_PRIVATE_KEY
def handleStripeError(f):
def handleProblems(*args, **kwargs):
response = {
'paid': False,
'response_object': None,
'error': None
}
common_message = "Currently its not possible to make payments."
try:
response_object = f(*args, **kwargs)
response = {
'response_object': response_object,
'error': None
}
return response
except stripe.error.CardError as e:
# Since it's a decline, stripe.error.CardError will be caught
body = e.json_body
err = body['error']
response.update({'error': err['message']})
return response
except stripe.error.RateLimitError as e:
response.update({'error': "Too many requests made to the API too quickly"})
return response
except stripe.error.InvalidRequestError as e:
response.update({'error': "Invalid parameters"})
return response
except stripe.error.AuthenticationError as e:
# Authentication with Stripe's API failed
# (maybe you changed API keys recently)
response.update({'error': common_message})
return response
except stripe.error.APIConnectionError as e:
response.update({'error': common_message})
return response
except stripe.error.StripeError as e:
# maybe send email
response.update({'error': common_message})
return response
except Exception as e:
# maybe send email
response.update({'error': common_message})
return response
return handleProblems
class StripeUtils(object):
CURRENCY = 'chf'
INTERVAL = 'month'
SUCCEEDED_STATUS = 'succeeded'
def __init__(self):
self.stripe = stripe
def update_customer_token(self, customer, token):
customer.source = token
customer.save()
@handleStripeError
def update_customer_card(self, customer_id, token):
customer = stripe.Customer.retrieve(customer_id)
current_card_token = customer.default_source
customer.sources.retrieve(current_card_token).delete()
customer.source = token
customer.save()
credit_card_raw_data = customer.sources.data.pop()
new_card_data = {
'last4': credit_card_raw_data.last4,
'brand': credit_card_raw_data.brand
}
return new_card_data
def check_customer(self, id, user, token):
customers = self.stripe.Customer.all()
if not customers.get('data'):
customer = self.create_customer(token, user.email)
else:
try:
customer = stripe.Customer.retrieve(id)
except stripe.InvalidRequestError:
customer = self.create_customer(token, user.email)
user.stripecustomer.stripe_id = customer.get('response_object').get('id')
user.stripecustomer.save()
return customer
@handleStripeError
def get_customer(self, id):
customer = stripe.Customer.retrieve(id)
# data = customer.get('response_object')
return customer
@handleStripeError
def create_customer(self, token, email):
customer = self.stripe.Customer.create(
source=token,
description='description for testing',
email=email
)
return customer
@handleStripeError
def make_charge(self, amount=None, customer=None):
_amount = float(amount)
amount = int(_amount * 100) # stripe amount unit, in cents
charge = self.stripe.Charge.create(
amount=amount, # in cents
currency=self.CURRENCY,
customer=customer
)
return charge
@handleStripeError
def create_plan(self, amount, name, id):
self.stripe.Plan.create(
amount=amount,
interval=self.INTERVAL,
name=name,
currency=self.CURRENCY,
id=id)
@handleStripeError
def make_payment(self, customer, amount, token):
charge = self.stripe.Charge.create(
amount=amount, # in cents
currency=self.CURRENCY,
customer=customer
)
return charge