68 lines
2.5 KiB
Python
68 lines
2.5 KiB
Python
import datetime
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from django.utils.translation import ugettext_lazy as _
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from orchestra.apps.bills.models import Invoice, Fee, ProForma, BillLine, BillSubline
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class BillsBackend(object):
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def create_bills(self, account, lines, **options):
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bill = None
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bills = []
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create_new = options.get('create_new_open', False)
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is_proforma = options.get('is_proforma', False)
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for line in lines:
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service = line.order.service
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# Create bill if needed
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if bill is None or service.is_fee:
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if is_proforma:
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if create_new:
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bill = ProForma.objects.create(account=account)
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else:
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bill, __ = ProForma.objects.get_or_create(account=account,
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status=ProForma.OPEN)
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elif service.is_fee:
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bill = Fee.objects.create(account=account)
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else:
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if create_new:
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bill = Invoice.objects.create(account=account)
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else:
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bill, __ = Invoice.objects.get_or_create(account=account,
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status=Invoice.OPEN)
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bills.append(bill)
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# Create bill line
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billine = bill.lines.create(
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rate=service.nominal_price,
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amount=line.size,
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total=line.subtotal,
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tax=service.tax,
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description=self.get_line_description(line),
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)
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self.create_sublines(billine, line.discounts)
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print bills
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return bills
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def format_period(self, ini, end):
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ini = ini.strftime("%b, %Y")
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end = (end-datetime.timedelta(seconds=1)).strftime("%b, %Y")
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if ini == end:
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return ini
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return _("{ini} to {end}").format(ini=ini, end=end)
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def get_line_description(self, line):
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service = line.order.service
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if service.is_fee:
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return self.format_period(line.ini, line.end)
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else:
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description = line.order.description
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if service.billing_period != service.NEVER:
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description += " %s" % self.format_period(line.ini, line.end)
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return description
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def create_sublines(self, line, discounts):
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for discount in discounts:
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line.sublines.create(
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description=_("Discount per %s") % discount.type,
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total=discount.total,
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)
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