extensions-website/extensions/views/submit.py

72 lines
2.4 KiB
Python

import logging
from django.contrib.auth.mixins import LoginRequiredMixin
from django.db import transaction
from django.views.generic.edit import CreateView
from extensions.models import Version, Extension
from files.forms import FileForm
from files.models import File
logger = logging.getLogger(__name__)
class UploadFileView(LoginRequiredMixin, CreateView):
model = File
template_name = 'extensions/submit.html'
form_class = FileForm
def get_context_data(self, **kwargs):
context = super().get_context_data(**kwargs)
drafts = Extension.objects.authored_by(user_id=self.request.user.pk).filter(
status=Extension.STATUSES.INCOMPLETE
)
context['drafts'] = drafts
return context
def get_form_kwargs(self):
kwargs = super().get_form_kwargs()
kwargs['request'] = self.request
return kwargs
def get_success_url(self):
return self.extension.get_draft_url()
@transaction.atomic
def form_valid(self, form):
"""Create an extension and a version already, associated with the user."""
self.file = form.instance
parsed_extension_fields = self.file.parsed_extension_fields
if parsed_extension_fields:
# Try to look up extension by the same author and file info
extension = (
Extension.objects.authored_by(user_id=self.request.user.pk)
.filter(type=self.file.type, **parsed_extension_fields)
.first()
)
if extension:
logger.warning(
'Found existing extension pk=%s for file pk=%s',
extension.pk,
self.file.pk,
)
return False
# Make sure an extension has a user associated to it from the beginning, otherwise
# it will prevent it from being re-uploaded and yet not show on My Extensions.
self.extension = Extension.objects.update_or_create(
type=self.file.type, **parsed_extension_fields
)[0]
self.extension.authors.add(self.request.user)
self.extension.save()
# Need to save the form to be able to use the file to create the version.
self.object = self.file = form.save()
Version.objects.update_or_create(
extension=self.extension, file=self.file, **self.file.parsed_version_fields
)[0]
return super().form_valid(form)