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from __future__ import unicode_literals
from django.contrib import admin
from django.contrib.auth import get_user_model
from django.utils.translation import ugettext_lazy as _, ungettext
from django_comments import get_model
from django_comments.views.moderation import perform_flag, perform_approve, perform_delete
class UsernameSearch(object):
"""The User object may not be auth.User, so we need to provide
a mechanism for issuing the equivalent of a .filter(user__username=...)
search in CommentAdmin.
"""
def __str__(self):
return 'user__%s' % get_user_model().USERNAME_FIELD
class CommentsAdmin(admin.ModelAdmin):
fieldsets = (
(
None,
{'fields': ('content_type', 'object_pk', 'site')}
),
(
_('Content'),
{'fields': ('user', 'user_name', 'user_email', 'user_url', 'comment')}
),
(
_('Metadata'),
{'fields': ('submit_date', 'ip_address', 'is_public', 'is_removed')}
),
)
list_display = ('name', 'content_type', 'object_pk', 'ip_address', 'submit_date', 'is_public', 'is_removed')
list_filter = ('submit_date', 'site', 'is_public', 'is_removed')
date_hierarchy = 'submit_date'
ordering = ('-submit_date',)
raw_id_fields = ('user',)
search_fields = ('comment', UsernameSearch(), 'user_name', 'user_email', 'user_url', 'ip_address')
actions = ["flag_comments", "approve_comments", "remove_comments"]
def get_actions(self, request):
actions = super(CommentsAdmin, self).get_actions(request)
# Only superusers should be able to delete the comments from the DB.
if not request.user.is_superuser and 'delete_selected' in actions:
actions.pop('delete_selected')
if not request.user.has_perm('django_comments.can_moderate'):
if 'approve_comments' in actions:
actions.pop('approve_comments')
if 'remove_comments' in actions:
actions.pop('remove_comments')
return actions
def flag_comments(self, request, queryset):
self._bulk_flag(request, queryset, perform_flag,
lambda n: ungettext('flagged', 'flagged', n))
flag_comments.short_description = _("Flag selected comments")
def approve_comments(self, request, queryset):
self._bulk_flag(request, queryset, perform_approve,
lambda n: ungettext('approved', 'approved', n))
approve_comments.short_description = _("Approve selected comments")
def remove_comments(self, request, queryset):
self._bulk_flag(request, queryset, perform_delete,
lambda n: ungettext('removed', 'removed', n))
remove_comments.short_description = _("Remove selected comments")
def _bulk_flag(self, request, queryset, action, done_message):
"""
Flag, approve, or remove some comments from an admin action. Actually
calls the `action` argument to perform the heavy lifting.
"""
n_comments = 0
for comment in queryset:
action(request, comment)
n_comments += 1
msg = ungettext('%(count)s comment was successfully %(action)s.',
'%(count)s comments were successfully %(action)s.',
n_comments)
self.message_user(request, msg % {'count': n_comments, 'action': done_message(n_comments)})
# Only register the default admin if the model is the built-in comment model
# (this won't be true if there's a custom comment app).
Klass = get_model()
if Klass._meta.app_label == "django_comments":
admin.site.register(Klass, CommentsAdmin)
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