django-orchestra/orchestra/contrib/bills/actions.py

187 lines
7.1 KiB
Python

import zipfile
from io import StringIO
from django.contrib import messages
from django.contrib.admin import helpers
from django.core.exceptions import ValidationError
from django.core.urlresolvers import reverse
from django.db import transaction
from django.http import HttpResponse
from django.shortcuts import render, redirect
from django.utils.safestring import mark_safe
from django.utils.translation import ungettext, ugettext_lazy as _
from orchestra.admin.forms import adminmodelformset_factory
from orchestra.admin.utils import get_object_from_url, change_url
from orchestra.utils.html import html_to_pdf
from .forms import SelectSourceForm
from .helpers import validate_contact
def download_bills(modeladmin, request, queryset):
if queryset.count() > 1:
stringio = StringIO()
archive = zipfile.ZipFile(stringio, 'w')
for bill in queryset:
pdf = html_to_pdf(bill.html or bill.render())
archive.writestr('%s.pdf' % bill.number, pdf)
archive.close()
response = HttpResponse(stringio.getvalue(), content_type='application/pdf')
response['Content-Disposition'] = 'attachment; filename="orchestra-bills.zip"'
return response
bill = queryset.get()
pdf = html_to_pdf(bill.html or bill.render())
return HttpResponse(pdf, content_type='application/pdf')
download_bills.verbose_name = _("Download")
download_bills.url_name = 'download'
def view_bill(modeladmin, request, queryset):
bill = queryset.get()
if not validate_contact(request, bill):
return
html = bill.html or bill.render()
return HttpResponse(html)
view_bill.verbose_name = _("View")
view_bill.url_name = 'view'
@transaction.atomic
def close_bills(modeladmin, request, queryset):
queryset = queryset.filter(is_open=True)
if not queryset:
messages.warning(request, _("Selected bills should be in open state"))
return
for bill in queryset:
if not validate_contact(request, bill):
return
SelectSourceFormSet = adminmodelformset_factory(modeladmin, SelectSourceForm, extra=0)
formset = SelectSourceFormSet(queryset=queryset)
if request.POST.get('post') == 'generic_confirmation':
formset = SelectSourceFormSet(request.POST, request.FILES, queryset=queryset)
if formset.is_valid():
transactions = []
for form in formset.forms:
source = form.cleaned_data['source']
transaction = form.instance.close(payment=source)
if transaction:
transactions.append(transaction)
for bill in queryset:
modeladmin.log_change(request, bill, 'Closed')
messages.success(request, _("Selected bills have been closed"))
if transactions:
num = len(transactions)
if num == 1:
url = change_url(transactions[0])
else:
url = reverse('admin:transactions_transaction_changelist')
url += 'id__in=%s' % ','.join(map(str, transactions))
message = ungettext(
_('<a href="%s">One related transaction</a> has been created') % url,
_('<a href="%s">%i related transactions</a> have been created') % (url, num),
num)
messages.success(request, mark_safe(message))
return
opts = modeladmin.model._meta
context = {
'title': _("Are you sure about closing the following bills?"),
'content_message': _("Once a bill is closed it can not be further modified.</p>"
"<p>Please select a payment source for the selected bills"),
'action_name': 'Close bills',
'action_value': 'close_bills',
'display_objects': [],
'queryset': queryset,
'opts': opts,
'app_label': opts.app_label,
'action_checkbox_name': helpers.ACTION_CHECKBOX_NAME,
'formset': formset,
'obj': get_object_from_url(modeladmin, request),
}
return render(request, 'admin/orchestra/generic_confirmation.html', context)
close_bills.verbose_name = _("Close")
close_bills.url_name = 'close'
def send_bills(modeladmin, request, queryset):
for bill in queryset:
if not validate_contact(request, bill):
return
for bill in queryset:
bill.send()
modeladmin.log_change(request, bill, 'Sent')
send_bills.verbose_name = lambda bill: _("Resend" if getattr(bill, 'is_sent', False) else "Send")
send_bills.url_name = 'send'
def manage_lines(modeladmin, request, queryset):
url = reverse('admin:bills_bill_manage_lines')
url += '?ids=%s' % ','.join(map(str, queryset.values_list('id', flat=True)))
return redirect(url)
def undo_billing(modeladmin, request, queryset):
group = {}
for line in queryset.select_related('order'):
if line.order_id:
try:
group[line.order].append(line)
except KeyError:
group[line.order] = [line]
# TODO force incomplete info
for order, lines in group.items():
# Find path from ini to end
for attr in ('order_id', 'order_billed_on', 'order_billed_until'):
if not getattr(self, attr):
raise ValidationError(_("Not enough information stored for undoing"))
sorted(lines, key=lambda l: l.created_on)
if 'a' != order.billed_on:
raise ValidationError(_("Dates don't match"))
prev = order.billed_on
for ix in range(0, len(lines)):
if lines[ix].order_b: # TODO we need to look at the periods here
pass
order.billed_until = self.order_billed_until
order.billed_on = self.order_billed_on
# TODO son't check for account equality
def move_lines(modeladmin, request, queryset):
# Validate
account = None
for line in queryset.select_related('bill'):
bill = line.bill
if not bill.is_open:
messages.error(request, _("Can not move lines from a closed bill."))
return
elif not account:
account = bill.account
elif bill.account != account:
messages.error(request, _("Can not move lines from different accounts"))
return
target = request.GET.get('target')
if not target:
# select target
context = {}
return render(request, 'admin/orchestra/generic_confirmation.html', context)
target = Bill.objects.get(pk=int(pk))
if target.account != account:
messages.error(request, _("Target account different than lines account."))
return
if request.POST.get('post') == 'generic_confirmation':
for line in queryset:
line.bill = target
line.save(update_fields=['bill'])
# TODO bill history update
messages.success(request, _("Lines moved"))
# Final confirmation
return render(request, 'admin/orchestra/generic_confirmation.html', context)
def copy_lines(modeladmin, request, queryset):
# same as move, but changing action behaviour
pass
def delete_lines(modeladmin, request, queryset):
pass