Adds admin view for individual announcement

bookwyrm/views/announcements.py

@@ -1,5 +1,6 @@
 """ make announcements """
 from django.contrib.auth.decorators import login_required, permission_required
+from django.shortcuts import get_object_or_404
 from django.template.response import TemplateResponse
 from django.utils.decorators import method_decorator
 from django.views import View
@@ -29,8 +30,40 @@ class Announcements(View):
         form = forms.AnnouncementForm(request.POST)
         if form.is_valid():
             form.save()
+            # reset the create form
+            form = forms.AnnouncementForm()
         data = {
             "announcements": models.Announcement.objects.all(),
-            "form": forms.AnnouncementForm(),
+            "form": form,
         }
         return TemplateResponse(request, "settings/announcements.html", data)
+
+
+@method_decorator(login_required, name="dispatch")
+@method_decorator(
+    permission_required("bookwyrm.edit_instance_settings", raise_exception=True),
+    name="dispatch",
+)
+class Announcement(View):
+    """delete or edit an announcement"""
+
+    def get(self, request, announcement_id):
+        """view announcement"""
+        announcement = get_object_or_404(models.Announcement, id=announcement_id)
+        data = {
+            "announcement": announcement,
+            "form": forms.AnnouncementForm(instance=announcement),
+        }
+        return TemplateResponse(request, "settings/announcement.html", data)
+
+    def post(self, request, announcement_id):
+        """edit the site settings"""
+        announcement = get_object_or_404(models.Announcement, id=announcement_id)
+        form = forms.AnnouncementForm(request.POST, instance=announcement)
+        if form.is_valid():
+            form.save()
+        data = {
+            "announcements": models.Announcement.objects.all(),
+            "form": form,
+        }
+        return TemplateResponse(request, "settings/announcement.html", data)