Add user post wiping

If a user has spammed a lot of posts and made a mess of the board, this
will allow us to delete all posts by the offending user from the same
IP.

Signed-off-by: Alek Ratzloff <alekratz@gmail.com>

board/models.py

@@ -134,6 +134,7 @@ class Post(models.Model):
             ("set_sticky", "Can sticky post"),
             ("set_bump", "Can bumplock post"),
             ("set_lock", "Can lock post"),
+            ("wipe_user", "Can wipe all posts by a user"),
         ]
 
     def save(self, *args, **kwargs):

board/static/board/restricted.js

@@ -7,6 +7,7 @@
 if (typeof window.banWindowName === "undefined") {
     window.banWindowName = "ban-window";
     window.modifyWindowName = "modify-window";
+    window.wipeWindowName = "wipe-window";
 }
 
 if (typeof window.menuItemFactories !== "undefined") {
@@ -28,6 +29,15 @@ if (typeof window.menuItemFactories !== "undefined") {
                 openModifyWindow($(postElement).attr("data-modify-url"));
             })
     );
+    window.menuItemFactories.push(
+        (postElement) => $("<a>")
+            .text("Wipe user posts")
+            .attr("href", "#")
+            .on("click", (e) => {
+                e.preventDefault();
+                openWipeWindow($(postElement).attr("data-wipe-url"));
+            })
+    );
 }
 
 ////////////////////////////////////////////////////////////////////////////////
@@ -89,3 +99,29 @@ function openModifyWindow(modifyUrl) {
     });
     modifyWindow.show();
 }
+
+////////////////////////////////////////////////////////////////////////////////
+// Wipe window
+////////////////////////////////////////////////////////////////////////////////
+function getWipeWindow() {
+    return window.top.jsFrame.getWindowByName(wipeWindowName);
+}
+
+function openWipeWindow(wipeUrl) {
+    if (window.top.jsFrame.containsWindowName(wipeWindowName)) {
+        getWipeWindow().closeFrame();
+    }
+
+    let wipeWindow = window.top.jsFrame.create({
+        title: "Wipe post",
+        name: wipeWindowName,
+        width: 475,
+        url: wipeUrl,
+    });
+    $(wipeWindow.iframe, "iframe").on("load", () => {
+        fitWindowToContent(wipeWindow);
+        wipeWindow.setResizable(false);
+        wipeWindow.iframe.contentWindow.thisWindow = wipeWindow;
+    });
+    wipeWindow.show();
+}

board/templates/board/post_snippet.html

@@ -8,6 +8,7 @@
     {% if user.is_staff %}
     data-ban-url="{% url 'board:ban_create' board.url post.id %}"
     data-modify-url="{% url 'board:post_modify' post.id %}"
+    data-wipe-url="{% url 'board:post_wipe' post.id %}"
     {% endif %}
     >
 

board/templates/board/post_wipe.html

@@ -0,0 +1,10 @@
+{% extends "board/base.html" %}
+{% load i18n %}
+
+{% block content %}
+    {% blocktranslate %}This will delete {{all_posts_count}} posts.{% endblocktranslate %}
+    <form method="post" {# action="{% url 'board:post_wipe_success' %}" #}>
+        {% csrf_token %}
+        <input type="submit" value="Wipe all posts by this user" />
+    </form>
+{% endblock content %}

board/urls.py

@@ -42,6 +42,14 @@ urlpatterns = [
         ActionSuccessView.as_view(window_timeout=settings.ACTION_SUCCESS_CLOSE_TIMEOUT),
         name="post_delete_success",
     ),
+    path("post/wipe/<int:pk>/", PostWipeView.as_view(), name="post_wipe"),
+    path(
+        "post/wipe/success/",
+        ActionSuccessView.as_view(
+            window_timeout=settings.ACTION_SUCCESS_CLOSE_TIMEOUT, message="Posts wiped."
+        ),
+        name="post_wipe_success",
+    ),
     # Board views
     path("post/success/", PostSuccessView.as_view(), name="post_success"),
     path("<slug:url>/page/<int:page>/", BoardView.as_view(), name="board_detail"),

board/views.py

@@ -8,7 +8,7 @@ from django.http import Http404, HttpResponseRedirect
 from django.http.request import QueryDict
 from django.shortcuts import get_object_or_404
 from django.views.generic.base import TemplateView
-from django.views.generic import edit, list
+from django.views.generic import detail, edit, list
 from django.urls import reverse, reverse_lazy
 from django.utils import timezone
 
@@ -31,6 +31,7 @@ __all__ = (
     "PostView",
     "PostSuccessView",
     "PostDeleteView",
+    "PostWipeView",
     "ReplyCreateView",
     "ReportView",
 )
@@ -279,6 +280,38 @@ class PostDeleteView(PermissionRequiredMixin, edit.DeleteView):
         return HttpResponseRedirect(success_url)
 
 
+class PostWipeView(PermissionRequiredMixin, detail.SingleObjectMixin, TemplateView):
+    model = Post
+    permission_required = ("wipe_user",)
+    template_name = "board/post_wipe.html"
+    success_url = reverse_lazy("board:post_wipe_success")
+
+    @property
+    def all_posts(self):
+        return Post.objects.filter(ip=self.object.ip)
+
+    def dispatch(self, request, *args, **kwargs):
+        self.object = self.get_object()
+        return super(PostWipeView, self).dispatch(request, *args, **kwargs)
+
+    def post(self, request, *args, **kwargs):
+        # Wipe user's posts
+        self.all_posts.delete()
+        # Success redirect
+        success_url = self.get_success_url()
+        return HttpResponseRedirect(success_url)
+
+    def get_context_data(self, **kwargs):
+        context = super(PostWipeView, self).get_context_data(**kwargs)
+        # context["all_posts"] = self.all_posts
+        # for some reason, {{all_posts.count}} does not seem to work in the template.
+        context["all_posts_count"] = self.all_posts.count()
+        return context
+
+    def get_success_url(self):
+        return self.success_url
+
+
 class ReportView(CreateView):
     model = Report
     form_class = ReportForm