Fixed #11625: added comment moderation via admin actions.

This is BACKWARDS INCOMPATIBLE if you were using the completely undocumented moderation view from 1.1. That view's been removed in favor of the admin actions.

Thanks, Thejaswi Puthraya.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@11639 bcc190cf-cafb-0310-a4f2-bffc1f526a37

django/contrib/comments/admin.py

@@ -1,7 +1,8 @@
 from django.contrib import admin
 from django.contrib.comments.models import Comment
-from django.utils.translation import ugettext_lazy as _
+from django.utils.translation import ugettext_lazy as _, ungettext
 from django.contrib.comments import get_model
+from django.contrib.comments.views.moderation import perform_flag, perform_approve, perform_delete
 
 class CommentsAdmin(admin.ModelAdmin):
     fieldsets = (
@@ -22,6 +23,44 @@ class CommentsAdmin(admin.ModelAdmin):
     ordering = ('-submit_date',)
     raw_id_fields = ('user',)
     search_fields = ('comment', 'user__username', '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:
+            actions.pop('delete_selected')
+        if not request.user.has_perm('comments.can_moderate'):
+            actions.pop('approve_comments')
+            actions.pop('remove_comments')
+        return actions
+
+    def flag_comments(self, request, queryset):
+        self._bulk_flag(request, queryset, perform_flag, _("flagged"))
+    flag_comments.short_description = _("Flag selected comments")
+
+    def approve_comments(self, request, queryset):
+        self._bulk_flag(request, queryset, perform_approve, _('approved'))
+    approve_comments.short_description = _("Approve selected comments")
+
+    def remove_comments(self, request, queryset):
+        self._bulk_flag(request, queryset, perform_delete, _('removed'))
+    remove_comments.short_description = _("Remove selected comments")
+
+    def _bulk_flag(self, request, queryset, action, description):
+        """
+        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(u'1 comment was successfully %(action)s.',
+                        u'%(count)s comments were successfully %(action)s.',
+                        n_comments)
+        self.message_user(request, msg % {'count': n_comments, 'action': description})
 
 # 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).

django/contrib/comments/urls.py

@@ -7,7 +7,6 @@
     url(r'^flagged/$',       'moderation.flag_done',        name='comments-flag-done'),
     url(r'^delete/(\d+)/$',  'moderation.delete',           name='comments-delete'),
     url(r'^deleted/$',       'moderation.delete_done',      name='comments-delete-done'),
-    url(r'^moderate/$',      'moderation.moderation_queue', name='comments-moderation-queue'),
     url(r'^approve/(\d+)/$', 'moderation.approve',          name='comments-approve'),
     url(r'^approved/$',      'moderation.approve_done',     name='comments-approve-done'),
 )

django/contrib/comments/views/moderation.py

@@ -3,12 +3,10 @@
 from django.shortcuts import get_object_or_404, render_to_response
 from django.contrib.auth.decorators import login_required, permission_required
 from utils import next_redirect, confirmation_view
-from django.core.paginator import Paginator, InvalidPage
-from django.http import Http404
 from django.contrib import comments
 from django.contrib.comments import signals
 
-#@login_required
+@login_required
 def flag(request, comment_id, next=None):
     """
     Flags a comment. Confirmation on GET, action on POST.
@@ -22,18 +20,7 @@ def flag(request, comment_id, next=None):
 
     # Flag on POST
     if request.method == 'POST':
-        flag, created = comments.models.CommentFlag.objects.get_or_create(
-            comment = comment,
-            user    = request.user,
-            flag    = comments.models.CommentFlag.SUGGEST_REMOVAL
-        )
-        signals.comment_was_flagged.send(
-            sender  = comment.__class__,
-            comment = comment,
-            flag    = flag,
-            created = created,
-            request = request,
-        )
+        perform_flag(request, comment)
         return next_redirect(request.POST.copy(), next, flag_done, c=comment.pk)
 
     # Render a form on GET
@@ -42,9 +29,8 @@ def flag(request, comment_id, next=None):
             {'comment': comment, "next": next},
             template.RequestContext(request)
         )
-flag = login_required(flag)
 
-#@permission_required("comments.delete_comment")
+@permission_required("comments.can_moderate")
 def delete(request, comment_id, next=None):
     """
     Deletes a comment. Confirmation on GET, action on POST. Requires the "can
@@ -60,20 +46,7 @@ def delete(request, comment_id, next=None):
     # Delete on POST
     if request.method == 'POST':
         # Flag the comment as deleted instead of actually deleting it.
-        flag, created = comments.models.CommentFlag.objects.get_or_create(
-            comment = comment,
-            user    = request.user,
-            flag    = comments.models.CommentFlag.MODERATOR_DELETION
-        )
-        comment.is_removed = True
-        comment.save()
-        signals.comment_was_flagged.send(
-            sender  = comment.__class__,
-            comment = comment,
-            flag    = flag,
-            created = created,
-            request = request,
-        )
+        perform_delete(request, comment)
         return next_redirect(request.POST.copy(), next, delete_done, c=comment.pk)
 
     # Render a form on GET
@@ -82,9 +55,8 @@ def delete(request, comment_id, next=None):
             {'comment': comment, "next": next},
             template.RequestContext(request)
         )
-delete = permission_required("comments.can_moderate")(delete)
 
-#@permission_required("comments.can_moderate")
+@permission_required("comments.can_moderate")
 def approve(request, comment_id, next=None):
     """
     Approve a comment (that is, mark it as public and non-removed). Confirmation
@@ -100,23 +72,7 @@ def approve(request, comment_id, next=None):
     # Delete on POST
     if request.method == 'POST':
         # Flag the comment as approved.
-        flag, created = comments.models.CommentFlag.objects.get_or_create(
-            comment = comment,
-            user    = request.user,
-            flag    = comments.models.CommentFlag.MODERATOR_APPROVAL,
-        )
-
-        comment.is_removed = False
-        comment.is_public = True
-        comment.save()
-
-        signals.comment_was_flagged.send(
-            sender  = comment.__class__,
-            comment = comment,
-            flag    = flag,
-            created = created,
-            request = request,
-        )
+        perform_approve(request, comment)
         return next_redirect(request.POST.copy(), next, approve_done, c=comment.pk)
 
     # Render a form on GET
@@ -126,69 +82,64 @@ def approve(request, comment_id, next=None):
             template.RequestContext(request)
         )
 
-approve = permission_required("comments.can_moderate")(approve)
-
+# The following functions actually perform the various flag/aprove/delete
+# actions. They've been broken out into seperate functions to that they
+# may be called from admin actions.
 
-#@permission_required("comments.can_moderate")
-def moderation_queue(request):
+def perform_flag(request, comment):
     """
-    Displays a list of unapproved comments to be approved.
-
-    Templates: `comments/moderation_queue.html`
-    Context:
-        comments
-            Comments to be approved (paginated).
-        empty
-            Is the comment list empty?
-        is_paginated
-            Is there more than one page?
-        results_per_page
-            Number of comments per page
-        has_next
-            Is there a next page?
-        has_previous
-            Is there a previous page?
-        page
-            The current page number
-        next
-            The next page number
-        pages
-            Number of pages
-        hits
-            Total number of comments
-        page_range
-            Range of page numbers
-
+    Actually perform the flagging of a comment from a request.
     """
-    qs = comments.get_model().objects.filter(is_public=False, is_removed=False)
-    paginator = Paginator(qs, 100)
-
-    try:
-        page = int(request.GET.get("page", 1))
-    except ValueError:
-        raise Http404
-
-    try:
-        comments_per_page = paginator.page(page)
-    except InvalidPage:
-        raise Http404
-
-    return render_to_response("comments/moderation_queue.html", {
-        'comments' : comments_per_page.object_list,
-        'empty' : page == 1 and paginator.count == 0,
-        'is_paginated': paginator.num_pages > 1,
-        'results_per_page': 100,
-        'has_next': comments_per_page.has_next(),
-        'has_previous': comments_per_page.has_previous(),
-        'page': page,
-        'next': page + 1,
-        'previous': page - 1,
-        'pages': paginator.num_pages,
-        'hits' : paginator.count,
-        'page_range' : paginator.page_range
-    }, context_instance=template.RequestContext(request))
-
-moderation_queue = permission_required("comments.can_moderate")(moderation_queue)
+    flag, created = comments.models.CommentFlag.objects.get_or_create(
+        comment = comment,
+        user    = request.user,
+        flag    = comments.models.CommentFlag.SUGGEST_REMOVAL
+    )
+    signals.comment_was_flagged.send(
+        sender  = comment.__class__,
+        comment = comment,
+        flag    = flag,
+        created = created,
+        request = request,
+    )
+
+def perform_delete(request, comment):
+    flag, created = comments.models.CommentFlag.objects.get_or_create(
+        comment = comment,
+        user    = request.user,
+        flag    = comments.models.CommentFlag.MODERATOR_DELETION
+    )
+    comment.is_removed = True
+    comment.save()
+    signals.comment_was_flagged.send(
+        sender  = comment.__class__,
+        comment = comment,
+        flag    = flag,
+        created = created,
+        request = request,
+    )
+
+
+def perform_approve(request, comment):
+    flag, created = comments.models.CommentFlag.objects.get_or_create(
+        comment = comment,
+        user    = request.user,
+        flag    = comments.models.CommentFlag.MODERATOR_APPROVAL,
+    )
+
+    comment.is_removed = False
+    comment.is_public = True
+    comment.save()
+
+    signals.comment_was_flagged.send(
+        sender  = comment.__class__,
+        comment = comment,
+        flag    = flag,
+        created = created,
+        request = request,
+    )
+
+# Confirmation views.
 
 flag_done = confirmation_view(
     template = "comments/flagged.html",