[Zope] wampum example

[Brad Clements]

On 16 Feb 2001, at 19:30, Jeremy Howard wrote:

> I've searched the web and have looked at the examples provided with the
> wampum product but cannot find a real world example.  Is there anyone out
> there that is using this product and can offer some help.  The only thing I
> need to know is how one gets the results back after making a call to the
> processorder method.  TIA


"I'm trained to Help you!"  (uh, that's what they taught us to say at CPR 
class)

From the http://www.AdirondackCraft.com website:


Hope this pastes without wrapping. Here are two methods from my Order 
class.

   def chargeCard(self,REQUEST,ccash,Rec):
        """Using the ccash object, charge the card
           return None or an error message
        """
        rc = None
	try:
	    results = ccash.processorder(REQUEST,order_id=self.ordernumber,
      		amount='usd '+'%5.2f' % self.totalchargeamount,
      		card_number=Rec.cardnumber,
      		card_exp=Rec.expiremonth+'/'+Rec.expireyear,
      		card_name=self.customername,
      		card_address=self.billingaddress1,
      		card_city=self.billingcity,
      		card_zip=self.billingpostalcode,
      		card_state=self.billingstateprovince,
      		card_country=self.billingcountry)
	except WampumExceptions.WampumException, e:
		"""record the exception"""
		self.LogCCError('Cybercash Error:'+str(e))
		try:
			rc = e.MErrMsg
		except:
			rc = 'Unexpected Procssing Error, Please call 518-891-6525 for assistance'
			self.logCCError("Couldn't return MErrMsg to customer!")
		print "returning result 1",rc
		self.status = 'Error'
		self.errormessage = rc
		self.update()
		self.db.commit()
		return rc
	except Exception, e:
		self.logCCError("Unexpected python exception"+str(e))
	    	rc = 'Internal Error. Please call 518-891-6525 for assistance'
		print "returning result 2",rc
		self.status = 'Error'
		self.errormessage = rc
		self.update()
		self.db.commit()
	    	return rc
	else:
		rc = None
		try:
			self.updateChargeResults(results,Rec)
		except Exception, e:
			traceback.print_exc()
			self.logCCError("Unexpected exception recording successful charge "+str(results))
			self.logCCError("The exception is "+str(e))
			rc = "Your credit card was charged, but we were unable to properly record the results in our database, Please call 518-891-6525 for assistance"
	print "returning result 3",rc
	return rc


    def updateChargeResults(self,inst,Rec):
        """Given a cybercash instance, update ourselves"""
        print "got inst ",str(inst)
	if getattr(inst,'MStatus','') == 'success':
		self.status =  'Submitted'
	else:
		self.status = 'Error'

        try:
     	    self.cclast4digits = Rec.cardnumber[-4:]
     	    self.ccexpiredate = Rec.expiremonth+'/'+'30/'+Rec.expireyear
	    self.authorizationcode = getattr(inst,'auth_code',None)
     	    self.actualbookamount= float(string.split(getattr(inst,'paid_amount','0'))[-1])
     	    self.actualbookamounttext = getattr(inst,'paid_amount',None)
     	    self.referencecode = getattr(inst,'ref_code',None)
     	    self.chargestatus = getattr(inst,'MStatus',None)
     	    self.avscode = getattr(inst,'avs_code',None)
     	    self.actioncode = getattr(inst,'action_code',None)
     	    try:
	        self.errormessage = getattr(inst,'aux_msg',None)
     	        self.transactionid = getattr(inst,'cust_txn',None)
     	    except:
     	        traceback.print_exc()
	except:
		traceback.print_exc()
	self.update()
	print "commiting charge"
	self.db.commit()
        



Brad Clements,                bkc@murkworks.com   (315)268-1000
http://www.murkworks.com                          (315)268-9812 Fax
netmeeting: ils://ils.murkworks.com               AOL-IM: BKClements