Include API to query Transactions informations on Paypal

bt5/erp5_paypal_secure_payment/DocumentTemplateItem/PaypalService.py

 # -*- coding: utf-8 -*-
 ##############################################################################
 #
-# Copyright (c) 2010 Nexedi SA and Contributors. All Rights Reserved.
+# Copyright (c) 2010,2013 Nexedi SA and Contributors. All Rights Reserved.
 #                    François-Xavier Algrain <fxalgrain@tiolive.com>
+#                    Gabriel Monnerat <gabriel@nexedi.com>
 #
 # WARNING: This program as such is intended to be used by professional
 # programmers who take the whole responsability of assessing all potential
@@ -27,16 +28,71 @@
 #
 ##############################################################################
 import zope
+from cgi import parse_qsl
 from urllib import urlencode
 from urllib2 import urlopen, Request
-from zLOG import LOG, DEBUG
+from zLOG import LOG, DEBUG, WARNING
 from AccessControl import ClassSecurityInfo
 from Products.ERP5Type import Permissions, PropertySheet, interfaces
 from Products.ERP5Type.XMLObject import XMLObject
 from Products.ERP5Type.Document import newTempDocument
 
 
-class PaypalService(XMLObject):
+def response_to_dict(response):
+  return dict(parse_qsl(response))
+
+class PaypalWebServiceMixin:
+
+  def getCredential(self):
+    return urlencode({"USER": self.getServiceUsername(),
+                      "PWD": self.getServicePassword(),
+                      "SIGNATURE": self.getServiceSignature(),
+                      "VERSION":"65.2",}) + "&"
+
+  def getTransactionIDList(self, start_date, **kw):
+    nvp_link = self.getNvpLink()
+    credential = self.getCredential()
+    parameter_dict = {"METHOD": "TransactionSearch",
+                      "STARTDATE": start_date.strftime("%Y-%m-%dT%H:%M:%SZ")}
+
+    for key, value in kw.iteritems():
+      parameter_dict[key] = value
+    query_string = credential + urlencode(parameter_dict)
+    response = urlopen(nvp_link, query_string).read()
+    response_dict = response_to_dict(response)
+    if response_dict.get("ACK", "") != "Success":
+      LOG("Paypal Failure", WARNING, response_dict)
+    return filter(lambda x: x[0].startswith("L_TRANSACTIONID"), response_dict.items())
+
+  def getTransactionList(self, start_date, **kw):
+    nvp_link = self.getNvpLink()
+    credential = self.getCredential()
+    transaction_id_list = self.getTransactionIDList(start_date, **kw)
+
+    LOG("Paypal", DEBUG, transaction_id_list)
+    transaction_dict = {}
+    for key,transaction_id in transaction_id_list:
+      parameter_dict = {"METHOD": "GetTransactionDetails",
+                        "TRANSACTIONID": transaction_id}
+      query_string = credential + urlencode(parameter_dict)
+      response = urlopen(nvp_link, query_string).read()
+
+      response_dict = response_to_dict(response)
+      if response_dict["ACK"] != "Success":
+        LOG("Paypal Failure", WARNING, response_dict)
+        continue
+      transaction_dict[transaction_id] = response_dict
+    return transaction_dict
+
+  def getTransaction(self, transaction_id):
+    parameter_dict = {"METHOD": "GetTransactionDetails",
+                      "TRANSACTIONID": transaction_id}
+    query_string = self.getCredential() + urlencode(parameter_dict)
+    response = urlopen(self.getNvpLink(), query_string).read()
+    response_dict = response_to_dict(response)
+    return response_dict
+
+class PaypalService(XMLObject, PaypalWebServiceMixin):
   """Paypal Service for payment"""
 
   meta_type = 'Paypal Service'
@@ -106,4 +162,4 @@ class PaypalService(XMLObject):
     LOG("PaypalService status", DEBUG, status)
     method_id = self._getTypeBasedMethod("reportPaymentStatus").id
     getattr(self.activate(), method_id)(response_dict=REQUEST.form)
-    return status == "VERIFIED"
+    return status == "VERIFIED"
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bt5/erp5_paypal_secure_payment/bt/revision

-3
+6
\ No newline at end of file