django-orchestra/orchestra/apps/bills/helpers.py

29 lines
1.2 KiB
Python

from django.contrib import messages
from django.core.urlresolvers import reverse
from django.utils.encoding import force_text
from django.utils.safestring import mark_safe
from django.utils.translation import ugettext_lazy as _
def validate_contact(request, bill, error=True):
""" checks if all the preconditions for bill generation are met """
msg = _('{relation} account "{account}" does not have a declared invoice contact. '
'You should <a href="{url}#invoicecontact-group">provide one</a>')
valid = True
send = messages.error if error else messages.warning
if not hasattr(bill.account, 'billcontact'):
account = force_text(bill.account)
url = reverse('admin:accounts_account_change', args=(bill.account_id,))
message = msg.format(relation=_("Related"), account=account, url=url)
send(request, mark_safe(message))
valid = False
main = type(bill).account.field.rel.to.get_main()
if not hasattr(main, 'billcontact'):
account = force_text(main)
url = reverse('admin:accounts_account_change', args=(main.id,))
message = msg.format(relation=_("Main"), account=account, url=url)
send(request, mark_safe(message))
valid = False
return valid