def start_purchase(self, item):
purchase = model.Purchase( item=item, owner=item.owner, purchaser=users.get_current_user(), status='NEW', secret=util.random_alnum(16) )
purchase.put()
if settings.USE_IPN:
ipn_url = "%s/ipn/%s/%s/" % ( self.request.host_url, purchase.key(), purchase.secret )
else:
ipn_url = None
if settings.USE_CHAIN:
seller_paypal_email = util.paypal_email(item.owner)
else:
seller_paypal_email = None
pay = paypal.Pay(
item.price_dollars(),
"%sreturn/%s/%s/" % (self.request.uri, purchase.key(), purchase.secret),
"%scancel/%s/" % (self.request.uri, purchase.key()),
self.request.remote_addr,
seller_paypal_email,
ipn_url,
shipping=settings.SHIPPING)
purchase.debug_request = pay.raw_request
purchase.debug_response = pay.raw_response
purchase.paykey = pay.paykey()
purchase.put()
if pay.status() == 'CREATED':
purchase.status = 'CREATED'
purchase.put()
return (True, pay)
else:
purchase.status = 'ERROR'
purchase.put()
return (False, pay)
def add_product(name, email, product, brand, price, unity):
purchase = model.Purchase(product=product,
brand=brand,
price=price,
unity=unity)
purchase.user = model.User(name=name, email=email)
purchase.put()
def set_ExpressPurchase(self, item):
purchase = model.Purchase(item=item,
owner=item.owner,
purchaser=users.get_current_user(),
status='NEW',
secret=util.random_alnum(16))
purchase.put()
ipn_url = None
seller_paypal_email = None
returnurl = "%sreturn/%s/%s/" % (self.request.uri, purchase.key(),
purchase.secret)
cancelurl = "%scancel/%s/" % (self.request.uri, purchase.key())
# pay = paypal.ExpressPay(
# item.price_dollars(),
# returnurl,
# cancelurl,
# self.request.remote_addr,
# seller_paypal_email,
# ipn_url,
# shipping=settings.SHIPPING)
self.signature_values = {
'USER': settings.PAYPAL_USERID,
'PWD': settings.PAYPAL_PASSWORD,
'SIGNATURE': settings.PAYPAL_SIGNATURE,
'VERSION': '65.0',
}
self.API_ENDPOINT = 'https://api-3t.sandbox.paypal.com/nvp'
self.PAYPAL_URL = 'https://www.sandbox.paypal.com/webscr&cmd=_express-checkout'
self.signature = urllib.urlencode(self.signature_values) + "&"
params = {'METHOD': 'SetExpressCheckout'}
expressParams = {
'PAYMENTREQUEST_0_AMT': '%0.2f' % item.price_dollars(),
'PAYMENTREQUEST_0_CURRENCYCODE': 'USD',
'PAYMENTREQUEST_0_PAYMENTACTION': 'Sale',
'RETURNURL': returnurl,
'CANCELURL': cancelurl
}
params_string = self.signature + urllib.urlencode(
params) + "&" + urllib.urlencode(expressParams)
self.raw_response = urllib.urlopen(self.API_ENDPOINT, params_string)
self.response_content = self.raw_response.read()
logging.debug(self.request.uri)
logging.debug(self.request.remote_addr)
data = self.API_ENDPOINT + params_string
purchase.debug_request = json.dumps(data)
purchase.debug_response = self.response_content
res = urllib.unquote(self.response_content)
datares = dict(
(n, v) for n, v in (a.split('=') for a in res.split('&')))
logging.debug(datares)
ret_url = ""
if datares['ACK'] == 'Success':
purchase.paykey = datares['TOKEN']
purchase.status = 'CREATED'
purchase.put()
url_red = self.PAYPAL_URL + '&token=' + purchase.paykey
logging.info('redirect to:%s' % url_red)
ret_url = url_red
# secret = util.random_alnum(16)
# method_params = {
# 'METHOD' : 'DoExpressCheckoutPayment'
# }
# detail_params = {
# 'TOKEN' : purchase.paykey,
# 'PAYERID' : secret,
# 'PAYMENTREQUEST_0_AMT' : '%0.2f' % item.price_dollars(),
# 'PAYMENTREQUEST_0_CURRENCYCODE' : 'USD',
# 'PAYMENTREQUEST_0_PAYMENTACTION' : 'Sale'
# }
# do_exp_params_string = self.signature + urllib.urlencode(method_params) + "&" + urllib.urlencode(detail_params)
# ret_url = self.PAYPAL_URL + "&" + do_exp_params_string
# logging.info('redirect to: %s' % ret_url)
return (True, ret_url)
else:
return (False, ret_url)