def handlerequest(request):
# paytm will send you post request here
if request.method =="POST":
response_dict = dict()
response_dict = dict(request.POST.items())
paytmChecksum = response_dict['CHECKSUMHASH']
response_dict.pop('CHECKSUMHASH', None)
verify = Checksum.verifySignature(response_dict, MERCHANT_KEY, paytmChecksum)
if verify:
order_status = None
if response_dict['RESPCODE'] == '01':
order_id = response_dict['ORDERID']
user = User.objects.get(username=response_dict['MERC_UNQ_REF'])
userorder = UserOrder.objects.get(user=user)
order_status ="SUCCESS"
userorder.add_to_purchased(order_id,response_dict['TXNAMOUNT'])
current = json.loads(userorder.orderpurchased)
order_details = current[str(order_id)]
return render(request, 'home/paytmstatus.html',{'order_status':order_status,"order_details":order_details})
else:
order_status = "FAILED"
return render(request, 'home/paytmstatus.html',{'order_status':order_status,'message': response_dict['RESPMSG']})
else:
raise PermissionDenied
def CheckOut(request):
if request.method == "POST":
order_id= Checksum.generateRandomString(6)
try:
userorder = UserOrder.objects.get(user=request.user)
amount = userorder.current_cart_value
userorder.add_to_processing(order_id)
user_id = request.user.username
paytmParams = dict()
paytmParams["body"] = {
"requestType": "Payment",
"mid": mid,
"websiteName": "WEBSTAGING",
"orderId": order_id,
"callbackUrl": "http://192.168.43.203:8000/handlerrequest/",
"extendedInfo": {
"mercUnqRef": user_id,
},
"txnAmount": {
"value": str(amount),
"currency": "INR",
},
"userInfo": {
"custId": user_id,
},
}
checksum = Checksum.generateSignature(json.dumps(paytmParams["body"]), MERCHANT_KEY)
paytmParams["head"] = {
"signature": checksum
}
post_data = json.dumps(paytmParams)
url = "https://securegw-stage.paytm.in/theia/api/v1/initiateTransaction?mid="+mid+"&orderId="+order_id
response = requests.post(url, data=post_data, headers={"Content-type": "application/json"}).json()
print(json.dumps(response))
signature= response["head"]["signature"]
txn_token = response["body"]['txnToken']
result_status = response["body"]['resultInfo']['resultStatus']
verify = Checksum.verifySignature(json.dumps(response['body']), MERCHANT_KEY,signature)
print(checksum)
print(verify)
if True:
if result_status == "S":
return render(request, 'home/paytm.html',{'mid': mid ,'order_id':order_id,'txn_token': txn_token,'amount':amount})
except UserOrder.DoesNotExist:
pass
else:
raise PermissionDenied
