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

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from django import forms
from django.contrib import messages, admin
from django.core.exceptions import PermissionDenied
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from django.utils.translation import ungettext, ugettext_lazy as _
from orchestra.admin.decorators import action_with_confirmation
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from orchestra.contrib.orchestration import Operation
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class GrantPermissionForm(forms.Form):
base_path = forms.ChoiceField(label=_("Grant access to"), choices=(('hola', 'hola'),),
help_text=_("User will be granted access to this directory."))
path_extension = forms.CharField(label='', required=False)
read_only = forms.BooleanField(label=_("Read only"), initial=False, required=False,
help_text=_("Designates whether the permissions granted will be read-only or read/write."))
@action_with_confirmation(extra_context=dict(form=GrantPermissionForm()))
def grant_permission(modeladmin, request, queryset):
user = queryset.get()
log = Operation.execute_action(user, 'grant_permission')
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# TODO
grant_permission.url_name = 'grant-permission'
grant_permission.verbose_name = _("Grant permission")
def delete_selected(modeladmin, request, queryset):
""" wrapper arround admin.actions.delete_selected to prevent main system users deletion """
opts = modeladmin.model._meta
app_label = opts.app_label
# Check that the user has delete permission for the actual model
if not modeladmin.has_delete_permission(request):
raise PermissionDenied
else:
accounts = []
for user in queryset:
if user.is_main:
accounts.append(user.username)
if accounts:
n = len(accounts)
messages.error(request, ungettext(
"You have selected one main system user (%(accounts)s), which can not be deleted.",
"You have selected some main system users which can not be deleted (%(accounts)s).",
n) % {
'accounts': ', '.join(accounts[:10]+['...'] if n > 10 else accounts)
}
)
return
return admin.actions.delete_selected(modeladmin, request, queryset)
delete_selected.short_description = _("Delete selected %(verbose_name_plural)s")