first steps towards an invoice worker

This commit is contained in:
Thomas Steen Rasmussen 2016-05-17 15:31:41 +02:00
parent 2ed981776f
commit 9ff4be7272
3 changed files with 40 additions and 0 deletions

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from django.core.management.base import BaseCommand
from shop.pdf import generate_pdf_letter
from shop.email import send_invoice_email
class Command(BaseCommand):
args = 'none'
help = 'Send out invoices that has not been sent yet'
def handle(self, *args, **options):
self.stdout.write('Invoice worker running...')
while True:
### check if we need to generate any invoices
for order in Order.objects.filter(paid=True, invoice__isnull=True):
### generate invoice for this Order
Invoice.objects.create(order=order)
### check if we need to send out any invoices
for invoice in Invoice.objects.filter(sent_to_customer=False):
### generate PDF invoice
try:
pdffile = generate_pdf_letter('invoice.html', formatdict)
except Exception as E:
self.stdout.write('ERROR: Unable to generate PDF file. Error: %s' % E)
continue
if not pdffile:
self.stdout.write('ERROR: Unable to generate PDF file')
continue
if send_invoice_email(recipient=invoice.order.user.email, invoice=invoice, attachment=pdffile):
self.stdout.write('OK: Invoice email sent to %s' % order.user.email)
invoice.sent_to_customer=True
invoice.save()
else:
self.stdout.write('ERROR: Unable to send invoice email to %s' % order.user.email)
### pause for a bit
sleep(60)