def query_transactions():
logger.info("tasks.query_transactions: Starting Execution")
africastalking_username = os.environ['AFRICASTALKING_USERNAME']
africastalking_api_key = os.environ['AFRICASTALKING_API_KEY']
# Initialize the SDK
africastalking.initialize(africastalking_username, africastalking_api_key)
payment = africastalking.Payment
# Set the name of your Africa's Talking payment product
africastalking_product_name = os.environ['AFRICASTALKING_PRODUCT_NAME']
filters = {
"category": "MobileC2B",
"status": "Success",
}
response = None
# Fetch the product transactions
try:
response = payment.product_transactions(africastalking_product_name,
filters)
logger.info("tasks.query_transactions: Response: {}".format(
response['responses']))
return response['responses']
except Exception as e:
logger.error("tasks.query_transactions: Received error response:%s" %
str(e))
def send_message(sender, instance, **kwargs):
logger.info('signals.send_message: Sending product to {}'.format(
instance.email))
customer_data = {'Name': instance.name, 'email': instance.email}
sendpulse_url = os.environ['SENDPULSE_URL']
requests.post(sendpulse_url, data=customer_data)
def index(request):
assert isinstance(request, HttpRequest)
logger.info('views.index')
transactioncode_form = TransactionCodeForm(request.POST or None)
if transactioncode_form.is_valid():
logger.info('views.index: Transaction code is valid')
transaction_code = transactioncode_form.cleaned_data.get(
'transaction_code')
user_has_paid = validate_transaction(transaction_code)
if user_has_paid:
logger.info('views.index: User payment was successful')
request.session['transaction_code'] = transaction_code
return redirect(details)
else:
logger.info('views.index: That transaction code does not exist')
transactioncode_form.add_error(
'transaction_code',
'Sorry, that transaction code is incorrect. Check your confirmation message and try again' # noqa
)
return render(request, 'index.html', {
'title': 'Get Your Ebook',
'form': transactioncode_form
})
def success(request):
assert isinstance(request, HttpRequest)
logger.info('views.success')
if 'email' not in request.session:
logger.info(
'views.success: No email found. Redirecting to details view'
) # noqa
return redirect(details)
email = request.session['email']
return render(request, 'success.html', {
'title': 'Success!',
'email': email
})
def validate_transaction(transaction_code):
logger.info('tasks.validate_transaction: Start execution')
successful_payment_status = False
transactions = query_transactions()
for payment in transactions:
if payment['providerRefId'] == transaction_code:
amount_paid = payment[
'value'] # payments['value'] is in string format
"""Change string to float. Example: 'KES 100.0' to 100.0"""
amount_paid = float(amount_paid.lstrip('KES '))
product_price = float(os.environ['PRODUCT_PRICE'])
if amount_paid >= product_price:
successful_payment_status = True
return successful_payment_status
def details(request):
assert isinstance(request, HttpRequest)
logger.info('views.details')
if 'transaction_code' not in request.session:
logger.info(
'views.details: No transaction_code found. Redirecting to index view'
) # noqa
return redirect(index)
details_form = DetailsForm(request.POST or None)
if details_form.is_valid():
logger.info('views.details: User details are valid')
name = details_form.cleaned_data.get('name')
email = details_form.cleaned_data.get('email')
transaction_code = request.session['transaction_code']
"""Save email to session"""
request.session['email'] = email
Customers.objects.create(name=name,
email=email,
transaction_code=transaction_code)
return redirect(success)
return render(request, 'details.html', {
'title': 'Almost done!',
'form': details_form
})