397 lines
15 KiB
Python
397 lines
15 KiB
Python
import logging
|
|
import stripe
|
|
from django.conf import settings
|
|
from datacenterlight.models import StripePlan
|
|
|
|
stripe.api_key = settings.STRIPE_API_PRIVATE_KEY
|
|
logger = logging.getLogger(__name__)
|
|
|
|
|
|
def handleStripeError(f):
|
|
def handleProblems(*args, **kwargs):
|
|
response = {
|
|
'paid': False,
|
|
'response_object': None,
|
|
'error': None
|
|
}
|
|
|
|
common_message = "Currently it's 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']})
|
|
logger.error(str(e))
|
|
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:
|
|
logger.error(str(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)
|
|
logger.error(str(e))
|
|
response.update({'error': common_message})
|
|
return response
|
|
except stripe.error.APIConnectionError as e:
|
|
logger.error(str(e))
|
|
response.update({'error': common_message})
|
|
return response
|
|
except stripe.error.StripeError as e:
|
|
# maybe send email
|
|
logger.error(str(e))
|
|
response.update({'error': common_message})
|
|
return response
|
|
except Exception as e:
|
|
# maybe send email
|
|
logger.error(str(e))
|
|
response.update({'error': common_message})
|
|
return response
|
|
|
|
return handleProblems
|
|
|
|
|
|
class StripeUtils(object):
|
|
CURRENCY = 'chf'
|
|
INTERVAL = 'month'
|
|
SUCCEEDED_STATUS = 'succeeded'
|
|
STRIPE_PLAN_ALREADY_EXISTS = 'Plan already exists'
|
|
STRIPE_NO_SUCH_PLAN = 'No such plan'
|
|
PLAN_EXISTS_ERROR_MSG = 'Plan {} exists already.\nCreating a local StripePlan now.'
|
|
PLAN_DOES_NOT_EXIST_ERROR_MSG = 'Plan {} does not exist.'
|
|
|
|
def __init__(self):
|
|
self.stripe = stripe
|
|
|
|
def update_customer_token(self, customer, token):
|
|
customer.source = token
|
|
customer.save()
|
|
|
|
@handleStripeError
|
|
def associate_customer_card(self, stripe_customer_id, token,
|
|
set_as_default=False):
|
|
customer = stripe.Customer.retrieve(stripe_customer_id)
|
|
card = customer.sources.create(source=token)
|
|
if set_as_default:
|
|
customer.default_source = card.id
|
|
customer.save()
|
|
return True
|
|
|
|
@handleStripeError
|
|
def dissociate_customer_card(self, stripe_customer_id, card_id):
|
|
customer = stripe.Customer.retrieve(stripe_customer_id)
|
|
card = customer.sources.retrieve(card_id)
|
|
card.delete()
|
|
|
|
@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
|
|
|
|
@handleStripeError
|
|
def get_card_details(self, customer_id):
|
|
customer = stripe.Customer.retrieve(customer_id)
|
|
credit_card_raw_data = customer.sources.data.pop()
|
|
card_details = {
|
|
'last4': credit_card_raw_data.last4,
|
|
'brand': credit_card_raw_data.brand,
|
|
'exp_month': credit_card_raw_data.exp_month,
|
|
'exp_year': credit_card_raw_data.exp_year,
|
|
'fingerprint': credit_card_raw_data.fingerprint,
|
|
'card_id': credit_card_raw_data.id
|
|
}
|
|
return card_details
|
|
|
|
@handleStripeError
|
|
def get_all_invoices(self, customer_id, created_gt):
|
|
return_list = []
|
|
has_more_invoices = True
|
|
starting_after = False
|
|
while has_more_invoices:
|
|
if starting_after:
|
|
invoices = stripe.Invoice.list(
|
|
limit=10, customer=customer_id, created={'gt': created_gt},
|
|
starting_after=starting_after
|
|
)
|
|
else:
|
|
invoices = stripe.Invoice.list(
|
|
limit=10, customer=customer_id, created={'gt': created_gt}
|
|
)
|
|
has_more_invoices = invoices.has_more
|
|
for invoice in invoices.data:
|
|
invoice_details = {
|
|
'created': invoice.created,
|
|
'receipt_number': invoice.receipt_number,
|
|
'invoice_number': invoice.number,
|
|
'paid_at': invoice.status_transitions.paid_at if invoice.paid else 0,
|
|
'period_start': invoice.period_start,
|
|
'period_end': invoice.period_end,
|
|
'billing_reason': invoice.billing_reason,
|
|
'discount': invoice.discount.coupon.amount_off if invoice.discount else 0,
|
|
'total': invoice.total,
|
|
# to see how many line items we have in this invoice and
|
|
# then later check if we have more than 1
|
|
'lines_data_count': len(invoice.lines.data) if invoice.lines.data is not None else 0,
|
|
'invoice_id': invoice.id,
|
|
'lines_meta_data_csv': ','.join(
|
|
[line.metadata.VM_ID if hasattr(line.metadata, 'VM_ID') else '' for line in invoice.lines.data]
|
|
),
|
|
'subscription_ids_csv': ','.join(
|
|
[line.id if line.type == 'subscription' else '' for line in invoice.lines.data]
|
|
),
|
|
'line_items': invoice.lines.data
|
|
}
|
|
starting_after = invoice.id
|
|
return_list.append(invoice_details)
|
|
return return_list
|
|
|
|
@handleStripeError
|
|
def get_cards_details_from_token(self, token):
|
|
stripe_token = stripe.Token.retrieve(token)
|
|
card_details = {
|
|
'last4': stripe_token.card.last4,
|
|
'brand': stripe_token.card.brand,
|
|
'exp_month': stripe_token.card.exp_month,
|
|
'exp_year': stripe_token.card.exp_year,
|
|
'fingerprint': stripe_token.card.fingerprint,
|
|
'card_id': stripe_token.card.id
|
|
}
|
|
return card_details
|
|
|
|
def check_customer(self, stripe_cus_api_id, user, token):
|
|
try:
|
|
customer = stripe.Customer.retrieve(stripe_cus_api_id)
|
|
except stripe.InvalidRequestError:
|
|
customer = self.create_customer(token, user.email, user.name)
|
|
user.stripecustomer.stripe_id = customer.get(
|
|
'response_object').get('id')
|
|
user.stripecustomer.save()
|
|
if type(customer) is dict:
|
|
customer = customer['response_object']
|
|
return customer
|
|
|
|
@handleStripeError
|
|
def get_customer(self, stripe_api_cus_id):
|
|
customer = stripe.Customer.retrieve(stripe_api_cus_id)
|
|
# data = customer.get('response_object')
|
|
return customer
|
|
|
|
@handleStripeError
|
|
def create_customer(self, token, email, name=None):
|
|
if name is None or name.strip() == "":
|
|
name = email
|
|
customer = self.stripe.Customer.create(
|
|
source=token,
|
|
description=name,
|
|
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 get_or_create_stripe_plan(self, amount, name, stripe_plan_id):
|
|
"""
|
|
This function checks if a StripePlan with the given
|
|
stripe_plan_id already exists. If it exists then the function
|
|
returns this object otherwise it creates a new StripePlan and
|
|
returns the new object.
|
|
|
|
:param amount: The amount in CHF
|
|
:param name: The name of the Stripe plan to be created.
|
|
:param stripe_plan_id: The id of the Stripe plan to be
|
|
created. Use get_stripe_plan_id_string function to
|
|
obtain the name of the plan to be created
|
|
:return: The StripePlan object if it exists else creates a
|
|
Plan object in Stripe and a local StripePlan and
|
|
returns it. Returns None in case of Stripe error
|
|
"""
|
|
_amount = float(amount)
|
|
amount = int(_amount * 100) # stripe amount unit, in cents
|
|
stripe_plan_db_obj = None
|
|
try:
|
|
stripe_plan_db_obj = StripePlan.objects.get(
|
|
stripe_plan_id=stripe_plan_id)
|
|
except StripePlan.DoesNotExist:
|
|
try:
|
|
self.stripe.Plan.create(
|
|
amount=amount,
|
|
interval=self.INTERVAL,
|
|
name=name,
|
|
currency=self.CURRENCY,
|
|
id=stripe_plan_id)
|
|
stripe_plan_db_obj = StripePlan.objects.create(
|
|
stripe_plan_id=stripe_plan_id)
|
|
except stripe.error.InvalidRequestError as e:
|
|
if self.STRIPE_PLAN_ALREADY_EXISTS in str(e):
|
|
logger.debug(
|
|
self.PLAN_EXISTS_ERROR_MSG.format(stripe_plan_id))
|
|
stripe_plan_db_obj = StripePlan.objects.create(
|
|
stripe_plan_id=stripe_plan_id)
|
|
return stripe_plan_db_obj
|
|
|
|
@handleStripeError
|
|
def delete_stripe_plan(self, stripe_plan_id):
|
|
"""
|
|
Deletes the Plan in Stripe and also deletes the local db copy
|
|
of the plan if it exists
|
|
|
|
:param stripe_plan_id: The stripe plan id that needs to be
|
|
deleted
|
|
:return: True if the plan was deleted successfully from
|
|
Stripe, False otherwise.
|
|
"""
|
|
return_value = False
|
|
try:
|
|
plan = self.stripe.Plan.retrieve(stripe_plan_id)
|
|
plan.delete()
|
|
return_value = True
|
|
StripePlan.objects.filter(
|
|
stripe_plan_id=stripe_plan_id).all().delete()
|
|
except stripe.error.InvalidRequestError as e:
|
|
if self.STRIPE_NO_SUCH_PLAN in str(e):
|
|
logger.debug(
|
|
self.PLAN_DOES_NOT_EXIST_ERROR_MSG.format(stripe_plan_id))
|
|
return return_value
|
|
|
|
@handleStripeError
|
|
def subscribe_customer_to_plan(self, customer, plans, trial_end=None):
|
|
"""
|
|
Subscribes the given customer to the list of given plans
|
|
|
|
:param customer: The stripe customer identifier
|
|
:param plans: A list of stripe plans.
|
|
:param trial_end: An integer representing when the Stripe subscription
|
|
is supposed to end
|
|
Ref: https://stripe.com/docs/api/python#create_subscription-items
|
|
e.g.
|
|
plans = [
|
|
{
|
|
"plan": "dcl-v1-cpu-2-ram-5gb-ssd-10gb",
|
|
},
|
|
]
|
|
:return: The subscription StripeObject
|
|
"""
|
|
|
|
subscription_result = self.stripe.Subscription.create(
|
|
customer=customer, items=plans, trial_end=trial_end
|
|
)
|
|
return subscription_result
|
|
|
|
@handleStripeError
|
|
def set_subscription_metadata(self, subscription_id, metadata):
|
|
subscription = stripe.Subscription.retrieve(subscription_id)
|
|
subscription.metadata = metadata
|
|
subscription.save()
|
|
|
|
@handleStripeError
|
|
def unsubscribe_customer(self, subscription_id):
|
|
"""
|
|
Cancels a given subscription
|
|
|
|
:param subscription_id: The Stripe subscription id string
|
|
:return:
|
|
"""
|
|
sub = stripe.Subscription.retrieve(subscription_id)
|
|
return sub.delete()
|
|
|
|
@handleStripeError
|
|
def make_payment(self, customer, amount, token):
|
|
charge = self.stripe.Charge.create(
|
|
amount=amount, # in cents
|
|
currency=self.CURRENCY,
|
|
customer=customer
|
|
)
|
|
return charge
|
|
|
|
@staticmethod
|
|
def get_stripe_plan_id(cpu, ram, ssd, version, app='dcl', hdd=None,
|
|
price=None):
|
|
"""
|
|
Returns the Stripe plan id string of the form
|
|
`dcl-v1-cpu-2-ram-5gb-ssd-10gb` based on the input parameters
|
|
|
|
:param cpu: The number of cores
|
|
:param ram: The size of the RAM in GB
|
|
:param ssd: The size of ssd storage in GB
|
|
:param hdd: The size of hdd storage in GB
|
|
:param version: The version of the Stripe plans
|
|
:param app: The application to which the stripe plan belongs
|
|
to. By default it is 'dcl'
|
|
:param price: The price for this plan
|
|
:return: A string of the form `dcl-v1-cpu-2-ram-5gb-ssd-10gb`
|
|
"""
|
|
dcl_plan_string = 'cpu-{cpu}-ram-{ram}gb-ssd-{ssd}gb'.format(cpu=cpu,
|
|
ram=ram,
|
|
ssd=ssd)
|
|
if hdd is not None:
|
|
dcl_plan_string = '{dcl_plan_string}-hdd-{hdd}gb'.format(
|
|
dcl_plan_string=dcl_plan_string, hdd=hdd)
|
|
stripe_plan_id_string = '{app}-v{version}-{plan}'.format(
|
|
app=app,
|
|
version=version,
|
|
plan=dcl_plan_string
|
|
)
|
|
if price is not None:
|
|
stripe_plan_id_string_with_price = '{}-{}chf'.format(
|
|
stripe_plan_id_string,
|
|
round(price, 2)
|
|
)
|
|
return stripe_plan_id_string_with_price
|
|
else:
|
|
return stripe_plan_id_string
|
|
|
|
@staticmethod
|
|
def get_stripe_plan_name(cpu, memory, disk_size, price):
|
|
"""
|
|
Returns the Stripe plan name
|
|
:return:
|
|
"""
|
|
return "{cpu} Cores, {memory} GB RAM, {disk_size} GB SSD, " \
|
|
"{price} CHF".format(
|
|
cpu=cpu,
|
|
memory=memory,
|
|
disk_size=disk_size,
|
|
price=round(price, 2)
|
|
)
|
|
|
|
@handleStripeError
|
|
def set_subscription_meta_data(self, subscription_id, meta_data):
|
|
"""
|
|
Adds VM metadata to a subscription
|
|
:param subscription_id: Stripe identifier for the subscription
|
|
:param meta_data: A dict of meta data to be added
|
|
:return:
|
|
"""
|
|
subscription = stripe.Subscription.retrieve(subscription_id)
|
|
subscription.metadata = meta_data
|
|
subscription.save()
|