Move django-based uncloud to top-level
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338
archive/uncloud_django_based/meow-payv1/ucloud_pay.py
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338
archive/uncloud_django_based/meow-payv1/ucloud_pay.py
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import logging
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from datetime import datetime
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from uuid import uuid4
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from flask import Flask, request
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from flask_restful import Resource, Api
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from werkzeug.exceptions import HTTPException
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from config import etcd_client as client, config as config
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from stripe_utils import StripeUtils
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from schemas import (
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make_return_message, ValidationException, UserRegisterPaymentSchema,
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AddProductSchema, ProductOrderSchema, OrderListSchema, create_schema
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)
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from helper import get_plan_id_from_product, calculate_charges
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class ListProducts(Resource):
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@staticmethod
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def get():
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products = client.get_prefix('/v1/products/')
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products = [
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product
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for product in [p.value for p in products]
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if product['active']
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]
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prod_dict = {}
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for p in products:
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prod_dict[p['usable-id']] = {
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'name': p['name'],
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'description': p['description'],
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}
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logger.debug('Products = {}'.format(prod_dict))
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return prod_dict, 200
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class AddProduct(Resource):
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@staticmethod
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def post():
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data = request.get_json(silent=True) or {}
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try:
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logger.debug('Got data: {}'.format(str(data)))
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validator = AddProductSchema(data)
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validator.is_valid()
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except ValidationException as err:
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return make_return_message(err, 400)
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else:
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cleaned_values = validator.get_cleaned_values()
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previous_product = cleaned_values.get('product', None)
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if previous_product:
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if not cleaned_values['update']:
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return make_return_message('Product already exists. Pass --update to update the product.')
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else:
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product_uuid = previous_product.pop('uuid')
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else:
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product_uuid = uuid4().hex
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product_value = cleaned_values['specs']
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product_key = '/v1/products/{}'.format(product_uuid)
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product_value['uuid'] = product_uuid
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logger.debug('Adding product data: {}'.format(str(product_value)))
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client.put(product_key, product_value)
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if not previous_product:
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return make_return_message('Product created.')
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else:
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return make_return_message('Product updated.')
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################################################################################
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# Nico-ok-marker
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class UserRegisterPayment(Resource):
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@staticmethod
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def post():
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data = request.get_json(silent=True) or {}
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try:
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logger.debug('Got data: {}'.format(str(data)))
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validator = UserRegisterPaymentSchema(data)
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validator.is_valid()
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except ValidationException as err:
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return make_return_message(err, 400)
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else:
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cleaned_values = validator.get_cleaned_values()
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last4 = data['card_number'].strip()[-4:]
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stripe_utils = StripeUtils()
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# Does customer already exist ?
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stripe_customer = stripe_utils.get_stripe_customer_from_email(cleaned_values['user']['mail'])
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# Does customer already exist ?
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if stripe_customer is not None:
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logger.debug('Customer {}-{} exists already'.format(
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cleaned_values['username'], cleaned_values['user']['mail'])
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)
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# Check if the card already exists
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ce_response = stripe_utils.card_exists(
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stripe_customer.id, cc_number=data['card_number'],
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exp_month=int(data['expiry_month']),
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exp_year=int(data['expiry_year']),
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cvc=data['cvc'])
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if ce_response['response_object']:
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message = 'The given card ending in {} exists already.'.format(last4)
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return make_return_message(message, 400)
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elif ce_response['response_object'] is False:
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# Associate card with user
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logger.debug('Adding card ending in {}'.format(last4))
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token_response = stripe_utils.get_token_from_card(
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data['card_number'], data['cvc'], data['expiry_month'],
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data['expiry_year']
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)
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if token_response['response_object']:
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logger.debug('Token {}'.format(token_response['response_object'].id))
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resp = stripe_utils.associate_customer_card(
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stripe_customer.id, token_response['response_object'].id
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)
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if resp['response_object']:
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return make_return_message(
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'Card ending in {} registered as your payment source'.format(last4)
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)
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else:
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return make_return_message('Error with payment gateway. Contact support', 400)
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else:
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return make_return_message('Error: {}'.format(ce_response['error']), 400)
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else:
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# Stripe customer does not exist, create a new one
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logger.debug(
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'Customer {} does not exist, creating new'.format(cleaned_values['user']['mail'])
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)
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token_response = stripe_utils.get_token_from_card(
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cleaned_values['card_number'], cleaned_values['cvc'],
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cleaned_values['expiry_month'], cleaned_values['expiry_year']
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)
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if token_response['response_object']:
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logger.debug('Token {}'.format(token_response['response_object'].id))
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# Create stripe customer
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stripe_customer_resp = stripe_utils.create_customer(
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name=cleaned_values['card_holder_name'],
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token=token_response['response_object'].id,
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email=cleaned_values['user']['mail'],
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address=cleaned_values['address']
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)
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stripe_customer = stripe_customer_resp['response_object']
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if stripe_customer:
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logger.debug('Created stripe customer {}'.format(stripe_customer.id))
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return make_return_message(
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'Card ending in {} registered as your payment source'.format(last4)
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)
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else:
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return make_return_message('Error with card. Contact support', 400)
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else:
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return make_return_message('Error with payment gateway. Contact support', 400)
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class ProductOrder(Resource):
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@staticmethod
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def post():
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data = request.get_json(silent=True) or {}
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try:
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validator = ProductOrderSchema(data)
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validator.is_valid()
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except ValidationException as err:
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return make_return_message(err, 400)
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else:
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cleaned_values = validator.get_cleaned_values()
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stripe_utils = StripeUtils()
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product = cleaned_values['product']
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# Check the user has a payment source added
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stripe_customer = stripe_utils.get_stripe_customer_from_email(cleaned_values['user']['mail'])
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if not stripe_customer or len(stripe_customer.sources) == 0:
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return make_return_message('Please register your payment method first.', 400)
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try:
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product_schema = create_schema(product, data)
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product_schema = product_schema()
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product_schema.is_valid()
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except ValidationException as err:
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return make_return_message(err, 400)
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else:
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transformed_data = product_schema.get_cleaned_values()
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logger.debug('Tranformed data: {}'.format(transformed_data))
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one_time_charge, recurring_charge = calculate_charges(product, transformed_data)
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recurring_charge = int(recurring_charge)
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if not cleaned_values['pay']:
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return make_return_message(
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'You would be charged {} CHF one time and {} CHF every {}. '
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'Add --pay to command to order.'.format(
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one_time_charge, recurring_charge, product['recurring_period']
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)
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)
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with client.client.lock('product-order') as _:
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# Initiate a one-time/subscription based on product type
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if recurring_charge > 0:
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logger.debug('Product {} is recurring payment'.format(product['name']))
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plan_id = get_plan_id_from_product(product)
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res = stripe_utils.get_or_create_stripe_plan(
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product_name=product['name'],
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stripe_plan_id=plan_id, amount=recurring_charge,
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interval=product['recurring_period'],
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)
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if res['response_object']:
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logger.debug('Obtained plan {}'.format(plan_id))
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subscription_res = stripe_utils.subscribe_customer_to_plan(
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stripe_customer.id,
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[{'plan': plan_id}]
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)
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subscription_obj = subscription_res['response_object']
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if subscription_obj is None or subscription_obj.status != 'active':
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return make_return_message(
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'Error subscribing to plan. Detail: {}'.format(subscription_res['error']), 400
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)
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else:
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order_obj = {
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'order-id': uuid4().hex,
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'ordered-at': datetime.now().isoformat(),
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'product': product['usable-id'],
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'one-time-price': one_time_charge,
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'recurring-price': recurring_charge,
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'recurring-period': product['recurring_period']
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}
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client.put(
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'/v1/user/{}/orders/{}'.format(
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cleaned_values['username'], order_obj['order-id']
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), order_obj
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)
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product['quantity'] -= 1
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client.put('/v1/products/{}'.format(product['uuid']), product)
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return {
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'message': 'Order Successful.',
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**order_obj
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}
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else:
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logger.error('Could not create plan {}'.format(plan_id))
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return make_return_message('Something wrong happened. Contact administrator', 400)
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elif recurring_charge == 0 and one_time_charge > 0:
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logger.debug('Product {} is one-time payment'.format(product['name']))
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charge_response = stripe_utils.make_charge(
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amount=one_time_charge,
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customer=stripe_customer.id
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)
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stripe_onetime_charge = charge_response.get('response_object')
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# Check if the payment was approved
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if not stripe_onetime_charge:
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msg = charge_response.get('error')
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return make_return_message('Error subscribing to plan. Details: {}'.format(msg), 400)
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order_obj = {
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'order-id': uuid4().hex,
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'ordered-at': datetime.now().isoformat(),
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'product': product['usable-id'],
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'one-time-price': one_time_charge,
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}
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client.put(
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'/v1/user/{}/orders/{}'.format(cleaned_values['username'], order_obj['order-id']),
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order_obj
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)
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product['quantity'] -= 1
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client.put('/v1/products/{}'.format(product['uuid']), product)
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return {'message': 'Order successful', **order_obj}, 200
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class OrderList(Resource):
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@staticmethod
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def post():
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data = request.get_json(silent=True) or {}
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try:
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validator = OrderListSchema(data)
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validator.is_valid()
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except ValidationException as err:
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return make_return_message(err, 400)
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else:
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cleaned_values = validator.get_cleaned_values()
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orders = client.get_prefix('/v1/user/{}/orders'.format(cleaned_values['username']))
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orders_dict = {
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order.value['order-id']: {
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**order.value
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}
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for order in orders
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}
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logger.debug('Orders = {}'.format(orders_dict))
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return {'orders': orders_dict}, 200
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if __name__ == '__main__':
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logger = logging.getLogger()
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logger.setLevel(logging.DEBUG)
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log_formater = logging.Formatter('[%(filename)s:%(lineno)d] %(message)s')
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stream_logger = logging.StreamHandler()
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stream_logger.setFormatter(log_formater)
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# file_logger = logging.FileHandler('log.txt')
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# file_logger.setLevel(logging.DEBUG)
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# file_logger.setFormatter(log_formater)
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logger.addHandler(stream_logger)
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# logger.addHandler(file_logger)
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app = Flask(__name__)
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api = Api(app)
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api.add_resource(ListProducts, '/product/list')
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api.add_resource(AddProduct, '/product/add')
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api.add_resource(ProductOrder, '/product/order')
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api.add_resource(UserRegisterPayment, '/user/register_payment')
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api.add_resource(OrderList, '/order/list')
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app.run(host='::', port=config.get('app', 'port', fallback=5000), debug=True)
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@app.errorhandler(Exception)
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def handle_exception(e):
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app.logger.error(e)
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# pass through HTTP errors
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if isinstance(e, HTTPException):
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return e
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# now you're handling non-HTTP exceptions only
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return {'message': 'Server Error'}, 500
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