def publish(self):
"""Convenience method to publish a page"""
published_status_name = get_published_status_name()
if self.status != published_status_name:
self.status = published_status_name
self.save()
return True
def add_view(self, request, form_url='', extra_context=None):
"""
Ensure the user is not trying to add a published or visible page if
they lack the necessary permissions.
"""
if request.method == 'POST':
lookup_perm = get_lookup_function(request.user, get_permissions())
# In evaluating permissions for status and visibility, it's not
# necessary to do more than raise a 403 if the user does not have
# the necessary permissions; status and visibility are disabled
# client side, so if they're not what they should be, the user is
# doing something suspicious.
if not lookup_perm('change_status'):
form = self.get_form(request)(request.POST, request.FILES)
if form.is_valid():
is_published_value = get_published_status_name()
if form.cleaned_data.get('status') == is_published_value:
raise PermissionDenied("Can't create published pages.")
if not lookup_perm('change_visibility'):
form = self.get_form(request)(request.POST, request.FILES)
if form.is_valid():
is_public_value = get_public_visibility_name()
if form.cleaned_data.get('visibility') == is_public_value:
raise PermissionDenied("Can't create public pages.")
return super(PageAdmin, self).add_view(request,
form_url=form_url,
extra_context=extra_context
)
def add_view(self, request, form_url='', extra_context=None):
"""
Ensure the user is not trying to add a published or visible page if
they lack the necessary permissions.
"""
if request.method == 'POST':
lookup_perm = get_lookup_function(request.user, get_permissions())
# In evaluating permissions for status and visibility, it's not
# necessary to do more than raise a 403 if the user does not have
# the necessary permissions; status and visibility are disabled
# client side, so if they're not what they should be, the user is
# doing something suspicious.
if not lookup_perm('change_status'):
form = self.get_form(request)(request.POST, request.FILES)
if form.is_valid():
is_published_value = get_published_status_name()
if form.cleaned_data.get('status') == is_published_value:
raise PermissionDenied("Can't create published pages.")
if not lookup_perm('change_visibility'):
form = self.get_form(request)(request.POST, request.FILES)
if form.is_valid():
is_public_value = get_public_visibility_name()
if form.cleaned_data.get('visibility') == is_public_value:
raise PermissionDenied("Can't create public pages.")
return super(PageAdmin, self).add_view(request,
form_url=form_url,
extra_context=extra_context)
def publish(self):
"""Convenience method to publish a page"""
published_status_name = get_published_status_name()
if self.status != published_status_name:
self.status = published_status_name
self.save()
return True
def clean(self):
"""
Make sure that an item that is a draft copy is always unpublished.
"""
cleaned_data = super(PageAdminFormMixin, self).clean()
status = cleaned_data.get('status')
copy_of = self.instance.copy_of
if status == get_published_status_name() and copy_of:
model_name = self.instance._meta.verbose_name
raise forms.ValidationError((
"This %s is an unpublished draft copy of a %s that is already "
"published. If you want to publish this over top of the "
"existing item, you can do so by merging it."
) % (model_name, model_name))
return cleaned_data
def is_published(self):
return self.status == get_published_status_name()
def is_published(self):
return self.status == get_published_status_name()
def unpublished(self):
""" Returns all unpublished objects."""
return self.get_query_set().exclude(
status=get_published_status_name()
)
def published(self):
""" Returns all published items."""
return self.get_query_set().filter(
status=get_published_status_name()
)
def unpublished(self):
""" Returns all unpublished objects."""
return self.get_query_set().exclude(
status=get_published_status_name()
)
def published(self):
""" Returns all published items."""
return self.get_query_set().filter(
status=get_published_status_name()
)
