Allow commenting on posts

flangr/posts/urls.py

@@ -4,5 +4,4 @@ from . import views
 
 urlpatterns = [
     path("post/<int:pk>", views.PostDetailView.as_view()),
-    path("post/<int:pk>/comments", views.AddCommentView.as_view()),
 ]

flangr/posts/views.py

@@ -1,17 +1,29 @@
-from django.views.generic import DetailView
+from django.views.generic import DetailView, CreateView
+from django.views.generic.edit import ModelFormMixin
 from django.forms import modelform_factory
+from django.http import HttpResponseRedirect
 
 # Create your views here.
 
 from .models import Post, Comment
 
 
-class PostDetailView(DetailView):
+class PostDetailView(DetailView, ModelFormMixin):
     model = Post
+    form_class = modelform_factory(Comment, fields=("comment",))
+    success_url = "#"
 
-    def get_context_data(self, **kwargs):
-        context = {
-            "add_comment_form": modelform_factory(Comment, fields=("comment",)),
-            **kwargs,
-        }
-        return super().get_context_data(**context)
+    def form_valid(self, form):
+        comment = form.save(commit=False)
+        comment.post = self.object
+        comment.user = self.request.user
+        comment.save()
+        return HttpResponseRedirect(self.get_success_url())
+
+    def post(self, request, *args, **kwargs):
+        self.object = self.get_object()
+        form = self.form_class(request.POST)
+        if form.is_valid:
+            return self.form_valid(form)
+        else:
+            return self.form_invalid(form)

flangr/templates/posts/post_detail.html

@@ -11,10 +11,9 @@
     <li>{{ comment.user }} - {{ comment.comment }}</li>
     {% endfor %}
     </ul>
-    <form action="{% url 'posts:add_comment' object.pk%}"
-          method="post">
+    <form action="" method="post">
         {% csrf_token %}
-        {{ add_comment_form }}
+        {{ form }}
         <input type="submit", value="Post">
     </form>
 </body>