107 lines
4.4 KiB
Python
107 lines
4.4 KiB
Python
from django.core.files import File
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from django.utils import timezone
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from shop.pdf import generate_pdf_letter
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from shop.email import send_invoice_email, send_creditnote_email
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from shop.models import Order, CustomOrder, Invoice, CreditNote
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from decimal import Decimal
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import logging, importlib
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logging.basicConfig(level=logging.INFO)
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logger = logging.getLogger('bornhack.%s' % __name__)
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def do_work():
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"""
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The invoice worker creates Invoice objects for shop orders and
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for custom orders. It also generates PDF files for Invoice objects
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that have no PDF. It also emails invoices for shop orders.
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"""
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###############################################################
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# check if we need to generate any invoices for shop orders
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for order in Order.objects.filter(paid=True, invoice__isnull=True):
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# generate invoice for this Order
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Invoice.objects.create(order=order)
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logger.info('Generated Invoice object for %s' % order)
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###############################################################
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# check if we need to generate any invoices for custom orders
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for customorder in CustomOrder.objects.filter(invoice__isnull=True):
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# generate invoice for this CustomOrder
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Invoice.objects.create(customorder=customorder)
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logger.info('Generated Invoice object for %s' % customorder)
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###############################################################
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# check if we need to generate any pdf invoices
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for invoice in Invoice.objects.filter(pdf=''):
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# generate the pdf
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try:
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if invoice.customorder:
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template='pdf/custominvoice.html'
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else:
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template='pdf/invoice.html'
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pdffile = generate_pdf_letter(
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filename=invoice.filename,
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template=template,
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formatdict={
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'invoice': invoice,
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},
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)
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logger.info('Generated pdf for invoice %s' % invoice)
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except Exception as E:
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logger.exception('Unable to generate PDF file for invoice #%s. Error: %s' % (invoice.pk, E))
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continue
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# update invoice object with the file
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invoice.pdf.save(invoice.filename, File(pdffile))
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invoice.save()
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###############################################################
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# check if we need to send out any invoices (only for shop orders, and only where pdf has been generated)
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for invoice in Invoice.objects.filter(order__isnull=False, sent_to_customer=False).exclude(pdf=''):
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logger.info("found unmailed Invoice object: %s" % invoice)
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# send the email
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if send_invoice_email(invoice=invoice):
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invoice.sent_to_customer=True
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invoice.save()
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logger.info('OK: Invoice email sent to %s' % invoice.order.user.email)
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else:
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logger.error('Unable to send invoice email for order %s to %s' % (invoice.order.pk, invoice.order.user.email))
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###############################################################
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# check if we need to generate any pdf creditnotes?
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for creditnote in CreditNote.objects.filter(pdf=''):
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# generate the pdf
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try:
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pdffile = generate_pdf_letter(
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filename=creditnote.filename,
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template='pdf/creditnote.html',
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formatdict={
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'creditnote': creditnote,
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},
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)
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logger.info('Generated pdf for creditnote %s' % creditnote)
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except Exception as E:
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logger.exception('Unable to generate PDF file for creditnote #%s. Error: %s' % (creditnote.pk, E))
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continue
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# update creditnote object with the file
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creditnote.pdf.save(creditnote.filename, File(pdffile))
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creditnote.save()
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###############################################################
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# check if we need to send out any creditnotes (only where pdf has been generated)
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for creditnote in CreditNote.objects.filter(sent_to_customer=False).exclude(pdf=''):
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# send the email
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if send_creditnote_email(creditnote=creditnote):
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logger.info('OK: Creditnote email sent to %s' % creditnote.user.email)
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creditnote.sent_to_customer=True
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creditnote.save()
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else:
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logger.error('Unable to send creditnote email for creditnote %s to %s' % (creditnote.pk, creditnote.user.email))
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