lingo/lingo/invoicing/views/utils.py

32 lines
1.2 KiB
Python

# lingo - payment and billing system
# Copyright (C) 2023 Entr'ouvert
#
# This program is free software: you can redistribute it and/or modify it
# under the terms of the GNU Affero General Public License as published
# by the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
from django.http import HttpResponse
from weasyprint import HTML
class PDFMixin:
def get(self, request, *args, **kwargs):
self.object = self.get_object()
result = self.object.html()
if 'html' in request.GET:
return HttpResponse(result)
html = HTML(string=result)
pdf = html.write_pdf()
response = HttpResponse(pdf, content_type='application/pdf')
response['Content-Disposition'] = 'attachment; filename="%s.pdf"' % self.object.formatted_number
return response