def save_formset(self, request, form, formset, change):
instances = formset.save(commit=False)
total_amount = 0
instance = None
for instance in instances:
if isinstance(instance, Payment):
total_amount += instance.amount
if instance.cashier:
# Instances with non null cashier are those that previously existed.
# setting them to None allows to ignore them at the end of the loop
# since we want to undertake action only for newly added Payment
instance = None
continue
instance.cashier = request.user
instance.save()
if instance:
# TODO: Check if the last payment is newly added
# Notice email is sent only for the last saved Payment,
# this is why this code is not run within the "for" loop above
member = instance.invoice.subscription.member
service = get_service_instance()
config = service.config
invoice = instance.invoice
s = invoice.service
days = get_days_count(invoice.months_count)
if s.status == Service.SUSPENDED:
invoicing_config = get_invoicing_config_instance()
days -= invoicing_config.tolerance # Catch-up days that were offered before service suspension
expiry = datetime.now() + timedelta(days=days)
expiry = expiry.date()
elif s.expiry:
expiry = s.expiry + timedelta(days=days)
else:
expiry = datetime.now() + timedelta(days=days)
expiry = expiry.date()
s.expiry = expiry
s.status = Service.ACTIVE
if invoice.is_one_off:
s.version = Service.FULL
s.save()
share_payment_and_set_stats(invoice, invoice.months_count)
if s.retailer:
db = s.retailer.database
Service.objects.using(db).filter(pk=s.id).update(
expiry=s.expiry, status=s.status, version=s.version)
sudo_group = Group.objects.using(UMBRELLA).get(name=SUDO)
add_event(service,
PAYMENT_CONFIRMATION,
group_id=sudo_group.id,
object_id=invoice.id)
add_event(service,
PAYMENT_CONFIRMATION,
member=member,
object_id=invoice.id)
subject, message, sms_text = get_payment_confirmation_message(
instance, member)
if member.email:
try:
currency = Currency.active.default().symbol
except:
currency = config.currency_code
invoice_url = service.url + reverse('billing:invoice_detail',
args=(invoice.id, ))
subject, message, sms_text = get_payment_confirmation_message(
instance, member)
html_content = get_mail_content(
subject,
message,
template_name='billing/mails/notice.html',
extra_context={
'member_name': member.first_name,
'invoice': invoice,
'cta': _("View invoice"),
'invoice_url': invoice_url,
'currency': currency
})
sender = '%s <no-reply@%s>' % (config.company_name,
service.domain)
msg = EmailMessage(subject, html_content, sender,
[member.email])
msg.content_subtype = "html"
Thread(target=lambda m: m.send(), args=(msg, )).start()
if sms_text:
if member.phone:
if config.sms_sending_method == Config.HTTP_API:
send_sms(member.phone, sms_text)
else:
QueuedSMS.objects.create(recipient=member.phone,
text=sms_text)
if total_amount >= invoice.amount:
invoice.status = AbstractInvoice.PAID
invoice.save()
def confirm_invoice_payment(request, *args, **kwargs):
"""
This function has no URL associated with it.
It serves as ikwen setting "MOMO_AFTER_CHECKOUT"
"""
from echo.models import Balance
from echo.utils import LOW_MAIL_LIMIT, notify_for_low_messaging_credit, notify_for_empty_messaging_credit
tx = kwargs.get('transaction')
now = datetime.now()
service = get_service_instance()
config = service.config
invoicing_config = get_invoicing_config_instance()
invoice_id = request.session['object_id']
amount = request.session['amount']
invoice = Invoice.objects.select_related('subscription').get(pk=invoice_id)
invoice.paid += amount
invoice.status = Invoice.PAID
if invoicing_config.processing_fees_on_customer:
invoice.processing_fees = config.ikwen_share_fixed
invoice.save()
payment = Payment.objects.create(invoice=invoice, method=Payment.MOBILE_MONEY,
amount=amount, processor_tx_id=tx.processor_tx_id)
subscription = invoice.subscription
if invoicing_config.separate_billing_cycle:
extra_months = request.session['extra_months']
total_months = invoice.months_count + extra_months
days = get_days_count(total_months)
else:
extra_months = 0
days = invoice.subscription.product.duration
total_months = None
if subscription.status == Service.SUSPENDED:
invoicing_config = get_invoicing_config_instance()
days -= invoicing_config.tolerance # Catch-up days that were offered before service suspension
expiry = now + timedelta(days=days)
expiry = expiry.date()
elif subscription.expiry:
expiry = subscription.expiry + timedelta(days=days)
else:
expiry = now + timedelta(days=days)
expiry = expiry.date()
subscription.expiry = expiry
subscription.status = Service.ACTIVE
subscription.save()
mean = request.session['mean']
share_payment_and_set_stats(invoice, total_months, mean)
member = request.user
sudo_group = Group.objects.using(UMBRELLA).get(name=SUDO)
add_event(service, PAYMENT_CONFIRMATION, member=member, object_id=invoice.id)
add_event(service, PAYMENT_CONFIRMATION, group_id=sudo_group.id, object_id=invoice.id)
if invoicing_config.return_url:
params = {'reference_id': subscription.reference_id, 'invoice_number': invoice.number,
'amount_paid': amount, 'processor_tx_id': tx.processor_tx_id, 'extra_months': extra_months}
Thread(target=notify_event, args=(service, invoicing_config.return_url, params)).start()
try:
invoice_pdf_file = generate_pdf_invoice(invoicing_config, invoice)
except:
invoice_pdf_file = None
balance, update = Balance.objects.using(WALLETS_DB_ALIAS).get_or_create(service_id=service.id)
if member.email:
if 0 < balance.mail_count < LOW_MAIL_LIMIT:
notify_for_low_messaging_credit(service, balance)
if balance.mail_count <= 0:
notify_for_empty_messaging_credit(service, balance)
else:
try:
currency = Currency.active.default().symbol
except:
currency = config.currency_code
invoice_url = service.url + reverse('billing:invoice_detail', args=(invoice.id,))
subject, message, sms_text = get_payment_confirmation_message(payment, member)
html_content = get_mail_content(subject, message, template_name='billing/mails/notice.html',
extra_context={'member_name': member.first_name, 'invoice': invoice,
'cta': _("View invoice"), 'invoice_url': invoice_url,
'currency': currency})
sender = '%s <no-reply@%s>' % (config.company_name, service.domain)
msg = XEmailMessage(subject, html_content, sender, [member.email])
msg.content_subtype = "html"
if invoice_pdf_file:
msg.attach_file(invoice_pdf_file)
balance.mail_count -= 1
balance.save()
Thread(target=lambda m: m.send(), args=(msg,)).start()
return HttpResponseRedirect(request.session['return_url'])
def cash_in(self, invoice, request):
if not request.user.has_perm('billing.ik_cash_in'):
return HttpResponse(
json.dumps({'error': "You're not allowed here"}))
service = get_service_instance()
config = service.config
invoicing_config = get_invoicing_config_instance()
if invoice.status == Invoice.PAID:
return HttpResponse(json.dumps({'error': "Invoice already paid"}))
amount = request.GET.get('amount', invoice.amount)
try:
amount = float(amount)
if amount <= 0:
raise ValueError()
except ValueError:
return HttpResponse(json.dumps({'error': "Invalid amount"}))
member = invoice.member
payment = Payment.objects.create(invoice=invoice,
amount=amount,
method=Payment.CASH,
cashier=request.user)
response = {'success': True, 'payment': payment.to_dict()}
try:
aggr = Payment.objects.filter(invoice=invoice).aggregate(
Sum('amount'))
amount_paid = aggr['amount__sum']
except IndexError:
amount_paid = 0
if invoicing_config.return_url:
try:
subscription = invoice.subscription
extra_months = request.GET.get('extra_months', 0)
params = {
'reference_id': subscription.reference_id,
'invoice_number': invoice.number,
'amount_paid': amount,
'extra_months': extra_months
}
Thread(target=notify_event,
args=(service, invoicing_config.return_url,
params)).start()
except:
notice = "%s: Could not notify endpoint %s after cash in" % (
service, invoicing_config.return_url)
logger.error(notice, exc_info=True)
total = amount + amount_paid
invoice.paid += amount
if total >= invoice.amount:
invoice.status = Invoice.PAID
try:
subscription = invoice.subscription
subscription.status = Subscription.ACTIVE
days = get_days_count(invoice.months_count)
subscription.expiry += timedelta(days=days)
subscription.save()
except AttributeError:
pass
invoice.save()
set_counters(service)
increment_history_field(service, 'turnover_history', amount)
increment_history_field(service, 'earnings_history', amount)
increment_history_field(service, 'transaction_earnings_history',
amount)
increment_history_field(service, 'invoice_earnings_history', amount)
increment_history_field(service, 'transaction_count_history')
increment_history_field(service, 'invoice_count_history')
if member.email:
from echo.models import Balance
from echo.utils import notify_for_low_messaging_credit, LOW_MAIL_LIMIT, notify_for_empty_messaging_credit
balance = Balance.objects.using(WALLETS_DB_ALIAS).get(
service_id=service.id)
if 0 < balance.mail_count < LOW_MAIL_LIMIT:
notify_for_low_messaging_credit(service, balance)
if balance.mail_count <= 0 and not getattr(settings,
'UNIT_TESTING', False):
notify_for_empty_messaging_credit(service, balance)
return HttpResponse(json.dumps(response))
subject, message, sms = get_payment_confirmation_message(
payment, member)
html_content = get_mail_content(
subject, message, template_name='billing/mails/notice.html')
sender = '%s <no-reply@%s>' % (config.company_name, service.domain)
msg = XEmailMessage(subject, html_content, sender, [member.email])
msg.content_subtype = "html"
try:
with transaction.atomic(using='wallets'):
balance.mail_count -= 1
balance.save()
Thread(target=lambda m: m.send(), args=(msg, )).start()
except:
pass
return HttpResponse(json.dumps(response))
def confirm_service_invoice_payment(request, *args, **kwargs):
"""
This view is run after successful user cashout "MOMO_AFTER_CHECKOUT"
"""
status = request.GET['status']
message = request.GET['message']
operator_tx_id = request.GET['operator_tx_id']
phone = request.GET['phone']
tx_id = kwargs['tx_id']
extra_months = int(kwargs['extra_months'])
try:
tx = MoMoTransaction.objects.using(WALLETS_DB_ALIAS).get(pk=tx_id, is_running=True)
if not getattr(settings, 'DEBUG', False):
tx_timeout = getattr(settings, 'IKWEN_PAYMENT_GATEWAY_TIMEOUT', 15) * 60
expiry = tx.created_on + timedelta(seconds=tx_timeout)
if datetime.now() > expiry:
return HttpResponse("Transaction %s timed out." % tx_id)
tx.status = status
tx.message = 'OK' if status == MoMoTransaction.SUCCESS else message
tx.processor_tx_id = operator_tx_id
tx.phone = phone
tx.is_running = False
tx.save()
except:
raise Http404("Transaction %s not found" % tx_id)
if status != MoMoTransaction.SUCCESS:
return HttpResponse("Notification for transaction %s received with status %s" % (tx_id, status))
invoice_id = tx.object_id
amount = tx.amount
signature = tx.task_id
callback_signature = kwargs.get('signature')
no_check_signature = request.GET.get('ncs')
if getattr(settings, 'DEBUG', False):
if not no_check_signature:
if callback_signature != signature:
return HttpResponse('Invalid transaction signature')
else:
if callback_signature != signature:
return HttpResponse('Invalid transaction signature')
now = datetime.now()
ikwen_service = get_service_instance()
invoice = Invoice.objects.get(pk=invoice_id)
invoice.paid += amount
invoice.status = Invoice.PAID
invoice.save()
payment = Payment.objects.create(invoice=invoice, method=Payment.MOBILE_MONEY,
amount=amount, processor_tx_id=tx.processor_tx_id)
service = invoice.service
total_months = invoice.months_count + extra_months
days = get_days_count(total_months)
invoicing_config = get_invoicing_config_instance()
if service.status == Service.SUSPENDED:
days -= invoicing_config.tolerance # Catch-up days that were offered before service suspension
expiry = now + timedelta(days=days)
expiry = expiry.date()
elif service.expiry:
expiry = service.expiry + timedelta(days=days)
else:
expiry = now + timedelta(days=days)
expiry = expiry.date()
service.expiry = expiry
service.status = Service.ACTIVE
if invoice.is_one_off:
service.version = Service.FULL
try:
support_bundle = SupportBundle.objects.get(type=SupportBundle.TECHNICAL, channel=SupportBundle.PHONE, cost=0)
token = ''.join([random.SystemRandom().choice(string.digits) for i in range(6)])
support_expiry = now + timedelta(days=support_bundle.duration)
SupportCode.objects.create(service=service, token=token, bundle=support_bundle,
balance=support_bundle.quantity, expiry=support_expiry)
logger.debug("Free Support Code created for %s" % service)
except SupportBundle.DoesNotExist:
logger.error("Free Support Code not created for %s" % service, exc_info=True)
service.save()
mean = tx.wallet
is_early_payment = False
if service.app.slug == 'kakocase' or service.app.slug == 'webnode':
if invoice.due_date <= now.date():
is_early_payment = True
refill_tsunami_messaging_bundle(service, is_early_payment)
share_payment_and_set_stats(invoice, total_months, mean)
member = service.member
vendor = service.retailer
vendor_is_dara = vendor and vendor.app.slug == DARAJA
if vendor and not vendor_is_dara:
add_database_to_settings(vendor.database)
sudo_group = Group.objects.using(vendor.database).get(name=SUDO)
else:
vendor = ikwen_service
sudo_group = Group.objects.using(UMBRELLA).get(name=SUDO)
add_event(vendor, PAYMENT_CONFIRMATION, member=member, object_id=invoice.id)
add_event(vendor, PAYMENT_CONFIRMATION, group_id=sudo_group.id, object_id=invoice.id)
try:
invoice_pdf_file = generate_pdf_invoice(invoicing_config, invoice)
except:
invoice_pdf_file = None
if member.email:
activate(member.language)
invoice_url = service.url + reverse('billing:invoice_detail', args=(invoice.id,))
subject, message, sms_text = get_payment_confirmation_message(payment, member)
html_content = get_mail_content(subject, message, service=vendor, template_name='billing/mails/notice.html',
extra_context={'member_name': member.first_name, 'invoice': invoice,
'cta': _("View invoice"), 'invoice_url': invoice_url,
'early_payment': is_early_payment})
sender = '%s <no-reply@%s>' % (vendor.config.company_name, ikwen_service.domain)
msg = XEmailMessage(subject, html_content, sender, [member.email])
if vendor != ikwen_service and not vendor_is_dara:
msg.service = vendor
if invoice_pdf_file:
msg.attach_file(invoice_pdf_file)
msg.content_subtype = "html"
if getattr(settings, 'UNIT_TESTING', False):
msg.send()
else:
Thread(target=lambda m: m.send(), args=(msg,)).start()
return HttpResponse("Notification received")
def confirm_service_invoice_payment(request, *args, **kwargs):
"""
This view is run after successful user cashout "MOMO_AFTER_CHECKOUT"
"""
tx = kwargs[
'tx'] # Decoration with @momo_gateway_callback makes 'tx' available in kwargs
extra_months = int(kwargs['extra_months'])
payment = Payment.objects.select_related().get(pk=tx.object_id)
payment.processor_tx_id = tx.processor_tx_id
payment.save()
invoice = payment.invoice
now = datetime.now()
ikwen_service = get_service_instance()
invoice.paid += tx.amount
if invoice.paid >= invoice.amount:
invoice.status = Invoice.PAID
invoice.save()
service = invoice.service
total_months = invoice.months_count + extra_months
days = get_days_count(total_months)
invoicing_config = get_invoicing_config_instance()
if service.status == Service.SUSPENDED:
days -= invoicing_config.tolerance # Catch-up days that were offered before service suspension
expiry = now + timedelta(days=days)
expiry = expiry.date()
elif service.expiry:
expiry = service.expiry + timedelta(days=days)
else:
expiry = now + timedelta(days=days)
expiry = expiry.date()
service.expiry = expiry
service.status = Service.ACTIVE
if invoice.is_one_off:
service.version = Service.FULL
try:
support_bundle = SupportBundle.objects.get(
type=SupportBundle.TECHNICAL,
channel=SupportBundle.PHONE,
cost=0)
token = ''.join([
random.SystemRandom().choice(string.digits) for i in range(6)
])
support_expiry = now + timedelta(days=support_bundle.duration)
SupportCode.objects.create(service=service,
token=token,
bundle=support_bundle,
balance=support_bundle.quantity,
expiry=support_expiry)
logger.debug("Free Support Code created for %s" % service)
except SupportBundle.DoesNotExist:
logger.error("Free Support Code not created for %s" % service,
exc_info=True)
service.save()
mean = tx.wallet
is_early_payment = False
if service.app.slug == 'kakocase' or service.app.slug == 'webnode':
if invoice.due_date <= now.date():
is_early_payment = True
refill_tsunami_messaging_bundle(service, is_early_payment)
share_payment_and_set_stats(invoice, total_months, mean, tx)
member = service.member
vendor = service.retailer
vendor_is_dara = vendor and vendor.app.slug == DARAJA
if vendor and not vendor_is_dara:
add_database_to_settings(vendor.database)
sudo_group = Group.objects.using(vendor.database).get(name=SUDO)
else:
vendor = ikwen_service
sudo_group = Group.objects.using(UMBRELLA).get(name=SUDO)
add_event(vendor,
PAYMENT_CONFIRMATION,
member=member,
object_id=invoice.id)
add_event(vendor,
PAYMENT_CONFIRMATION,
group_id=sudo_group.id,
object_id=invoice.id)
try:
invoice_pdf_file = generate_pdf_invoice(invoicing_config, invoice)
except:
invoice_pdf_file = None
if member.email:
activate(member.language)
invoice_url = ikwen_service.url + reverse('billing:invoice_detail',
args=(invoice.id, ))
subject, message, sms_text = get_payment_confirmation_message(
payment, member)
html_content = get_mail_content(
subject,
message,
service=vendor,
template_name='billing/mails/notice.html',
extra_context={
'member_name': member.first_name,
'invoice': invoice,
'cta': _("View invoice"),
'invoice_url': invoice_url,
'early_payment': is_early_payment
})
sender = '%s <no-reply@%s>' % (vendor.config.company_name,
ikwen_service.domain)
msg = XEmailMessage(subject, html_content, sender, [member.email])
if vendor != ikwen_service and not vendor_is_dara:
msg.service = vendor
if invoice_pdf_file:
msg.attach_file(invoice_pdf_file)
msg.content_subtype = "html"
if getattr(settings, 'UNIT_TESTING', False):
msg.send()
else:
Thread(target=lambda m: m.send(), args=(msg, )).start()
return HttpResponse("Notification received")