def user_can_delete_obj(self, user, obj):
"""
Return a boolean to indicate whether `user` is permitted to 'delete'
a specific `self.model` instance.
"""
try:
run_permission_hooks('delete', obj)
except PermissionDenied:
return False
else:
return super(WagtailOmniFormPermissionHelper, self).user_can_delete_obj(user, obj)
def omni_form_locked(instance):
"""
Determines if the omni form is locked and returns a string identifying this
:param instance: The form instance
:return: string
"""
try:
run_permission_hooks('update', instance)
run_permission_hooks('delete', instance)
except PermissionDenied:
return 'yes'
else:
return 'no'
def check_action_permitted(self, user):
"""
Ensures that the user has permission to clone the omni form
:param user: Logged in user instance
:return: boolean - whether of not the user has permission to edit the instance
"""
try:
run_permission_hooks('clone', self.instance)
except PermissionDenied:
return False
else:
return self.permission_helper.user_can_clone_obj(
user, self.instance)
def user_can_clone_obj(self, user, obj):
"""
Checks that the user has permission to clone a form in the system
:param user: Logged in user instance
:param obj: OmniForm model instance
:return: bool - True if the user can create a form instance, otherwise false
"""
try:
run_permission_hooks('clone', obj)
except PermissionDenied:
return False
else:
perm_codename = self.get_perm_codename('add')
return self.user_has_specific_permission(user, perm_codename)
def check_action_permitted(self, user):
"""
Ensures that the user has permission to change the related object
:param user: Logged in user instance
:return: boolean - whether of not the user has permission to edit the instance
"""
try:
run_permission_hooks('delete', self.instance)
except PermissionDenied:
return False
else:
return all([
user.has_perm(
self._get_model_permission(self.related_object_model_class,
'delete')),
self.permission_helper.user_can_edit_obj(user, self.instance)
])
def _omni_form_related(self, form, related_qs, change_action, delete_action):
"""
Returns a comma delimited list of links for editing and deleting the related form objects
:param form: OmniForm model instance
:param related_qs: Queryset of related fields or handlers
:param change_action: The name of the url change action
:param delete_action: The name of the url delete action
:return: comma delimited list of field links
"""
links = []
try:
run_permission_hooks('update', form)
except PermissionDenied:
form_locked = True
else:
form_locked = False
for related in related_qs:
edit_url = self.url_helper.get_action_url(
change_action,
str(form.pk),
str(related.pk)
)
delete_url = self.url_helper.get_action_url(
delete_action,
str(form.pk),
str(related.pk)
)
links.append(render_to_string(
'modeladmin/omniforms/wagtail/includes/related_controls.html',
{
'button_text': related,
'edit_url': edit_url,
'delete_url': delete_url,
'form_locked': form_locked
}
))
return mark_safe(''.join(links))