Adding new amazon payment module

payment/amazon.py

@@ -0,0 +1,136 @@
+from regluit.payment.parameters import *
+from django.core.urlresolvers import reverse
+from django.conf import settings
+from regluit.payment.models import Transaction
+from django.contrib.auth.models import User
+from django.utils import simplejson as json
+from django.utils.xmlutils import SimplerXMLGenerator
+from django.db import IntegrityError
+from django.db.models.query_utils import Q
+from django.shortcuts import render_to_response
+from django.template import RequestContext
+from boto.fps.connection import FPSConnection
+
+from datetime import timedelta
+from regluit.utils.localdatetime import now, zuluformat
+import dateutil
+
+import dateutil.parser
+import hashlib
+import httplib
+import traceback
+import uuid
+import os
+import urllib
+import urllib2
+import logging
+import random
+import commands
+import smtplib
+import urlparse
+import decimal
+import sys
+
+logger = logging.getLogger(__name__)
+
+class AmazonRequest:
+    '''
+       Handles common information that is processed from the response envelope of the amazon request.
+        
+    '''
+    
+    # Global values for the class
+    response = None
+    raw_response = None
+    errorMessage = None
+    url = None
+            
+    def ack( self ):
+        return None
+        
+    def success(self):
+        if self.errorMessage:
+            return False
+        else:
+            return True 
+        
+    def error(self):
+        if self.errorMessage:
+            return True
+        else:
+            return False
+        
+    def error_data(self):
+        return None
+    
+    def error_id(self):
+        return None
+    
+    def error_string(self):
+        
+        return self.errorMessage
+    
+    def envelope(self):
+        return None
+      
+    def correlation_id(self):
+        return None
+        
+    def timestamp(self):
+        return None
+        
+
+class Pay( AmazonRequest ):
+  def __init__( self, transaction, return_url=None, cancel_url=None, options=None):
+      
+      try:
+          
+          if not options:
+              options = {}
+              
+          # Use the boto class top open a connection
+          self.connection = FPSConnection(settings.FPS_ACCESS_KEY, settings.FPS_SECRET_KEY, **options)
+          
+          receiver_list = []
+          receivers = transaction.receiver_set.all()
+          
+          if len(receivers) == 0:
+              raise Exception
+          
+          # by setting primary_string of the first receiver to 'true', we are doing a Chained payment
+          total_amount = 0
+          for r in receivers:
+              total_amount += r.amount
+                      
+          logger.info(receiver_list)
+              
+          # Data fields for amazon
+          data = {} 
+          
+          print "Amazon PURCHASE url request data: %s" % data
+          
+          self.url = self.connection.make_url(return_url, "Test Payment", "SingleUse", str(total_amount), **data)
+          print "Amazon PURCHASE url was: %s" % self.url
+          
+      except:
+          traceback.print_exc()
+          self.errorMessage = "Error: Server Error"
+      
+  def api(self):
+      return None
+    
+  def exec_status( self ):
+      return None 
+      
+  def amount( self ):
+      return None
+      
+  def key( self ):
+      return None
+
+  def next_url( self ):
+      return self.url
+
+  def embedded_url(self):
+      return None
+