from django.core.files import File from utils.pdf import generate_pdf_letter from shop.email import add_invoice_email, add_creditnote_email from shop.models import Order, CustomOrder, Invoice, CreditNote import logging logging.basicConfig(level=logging.INFO) logger = logging.getLogger('bornhack.%s' % __name__) def do_work(): """ The invoice worker creates Invoice objects for shop orders and for custom orders. It also generates PDF files for Invoice objects that have no PDF. It also emails invoices for shop orders. """ # check if we need to generate any invoices for shop orders for order in Order.objects.filter(paid=True, invoice__isnull=True): # generate invoice for this Order Invoice.objects.create(order=order) logger.info('Generated Invoice object for %s' % order) # check if we need to generate any invoices for custom orders for customorder in CustomOrder.objects.filter(invoice__isnull=True): # generate invoice for this CustomOrder Invoice.objects.create(customorder=customorder) logger.info('Generated Invoice object for %s' % customorder) # check if we need to generate any pdf invoices for invoice in Invoice.objects.filter(pdf=''): # generate the pdf try: if invoice.customorder: template = 'pdf/custominvoice.html' else: template = 'pdf/invoice.html' pdffile = generate_pdf_letter( filename=invoice.filename, template=template, formatdict={ 'invoice': invoice, }, ) logger.info('Generated pdf for invoice %s' % invoice) except Exception as E: logger.exception('Unable to generate PDF file for invoice #%s. Error: %s' % (invoice.pk, E)) continue # update invoice object with the file invoice.pdf.save(invoice.filename, File(pdffile)) invoice.save() # check if we need to send out any invoices (only for shop orders, and only where pdf has been generated) for invoice in Invoice.objects.filter(order__isnull=False, sent_to_customer=False).exclude(pdf=''): logger.info("found unmailed Invoice object: %s" % invoice) # add email to the outgoing email queue if add_invoice_email(invoice=invoice): invoice.sent_to_customer = True invoice.save() logger.info('OK: Invoice email to {} added to queue.'.format( invoice.order.user.email) ) else: logger.error('Unable to add email for invoice {} to {}'.format( invoice.pk, invoice.order.user.email ) ) # check if we need to generate any pdf creditnotes? for creditnote in CreditNote.objects.filter(pdf=''): # generate the pdf try: pdffile = generate_pdf_letter( filename=creditnote.filename, template='pdf/creditnote.html', formatdict={ 'creditnote': creditnote, }, ) logger.info('Generated pdf for creditnote %s' % creditnote) except Exception as E: logger.exception('Unable to generate PDF file for creditnote #%s. Error: %s' % (creditnote.pk, E)) continue # update creditnote object with the file creditnote.pdf.save(creditnote.filename, File(pdffile)) creditnote.save() # check if we need to send out any creditnotes (only where pdf has been generated and only for creditnotes linked to a user) for creditnote in CreditNote.objects.filter(sent_to_customer=False).exclude(pdf='').exclude(user=None): # send the email if add_creditnote_email(creditnote=creditnote): logger.info('OK: Creditnote email to %s added' % creditnote.user.email) creditnote.sent_to_customer = True creditnote.save() else: logger.error('Unable to add creditnote email for creditnote %s to %s' % (creditnote.pk, creditnote.user.email))