From 0a7a956ae057598f53020492ffd7dfa30274b3aa Mon Sep 17 00:00:00 2001
From: Gabriel Augendre <gabriel@augendre.info>
Date: Tue, 18 Aug 2020 19:51:54 +0200
Subject: [PATCH] Add links to comments admin

---
 articles/models.py                              | 16 ++++++++++++++--
 articles/templates/articles/article_detail.html |  6 +++---
 articles/views/html.py                          |  3 +++
 3 files changed, 20 insertions(+), 5 deletions(-)

diff --git a/articles/models.py b/articles/models.py
index 936c374..ee8e85a 100644
--- a/articles/models.py
+++ b/articles/models.py
@@ -19,7 +19,16 @@ class ArticleManager(models.Manager):
         return super().get_queryset().filter(page__isnull=True)
 
 
-class Article(models.Model):
+class AdminUrlMixin:
+    def get_admin_url(self):
+        content_type = ContentType.objects.get_for_model(self.__class__)
+        return reverse(
+            "admin:%s_%s_change" % (content_type.app_label, content_type.model),
+            args=(self.id,),
+        )
+
+
+class Article(AdminUrlMixin, models.Model):
     DRAFT = "draft"
     PUBLISHED = "published"
     STATUS_CHOICES = [
@@ -92,7 +101,7 @@ class Page(Article):
         ordering = ["position", "-published_at"]
 
 
-class Comment(models.Model):
+class Comment(AdminUrlMixin, models.Model):
     username = models.CharField(
         max_length=255, help_text="Will be displayed with your comment."
     )
@@ -116,3 +125,6 @@ class Comment(models.Model):
 
     class Meta:
         ordering = ["created_at"]
+
+    def get_absolute_url(self):
+        return self.article.get_absolute_url() + "#" + str(self.id)
diff --git a/articles/templates/articles/article_detail.html b/articles/templates/articles/article_detail.html
index 1d73932..9b0f2d5 100644
--- a/articles/templates/articles/article_detail.html
+++ b/articles/templates/articles/article_detail.html
@@ -14,12 +14,12 @@
     <section class="comments">
         <h2>Comments</h2>
         {% for comment in comments %}
-            <article class="comment">
+            <article id="{{ comment.id }}" class="comment">
                 <p class="metadata">
                     <span class="username">{{ comment.username }}</span> |
                     <time datetime="{{ comment.created_at|date:'c' }}">
                         {{ comment.created_at|date:"DATETIME_FORMAT" }}
-                    </time>
+                    </time> {% include "articles/admin_link_snippet.html" with article=comment %}
                 </p>
                 <p class="content">
                     {{ comment.content|linebreaksbr }}
@@ -28,7 +28,7 @@
         {% empty %}
             No reaction yet, write your own!
         {% endfor %}
-        <form action="{% url 'create-comment' slug=article.slug %}" method="post">
+        <form id="comment-form" action="{% url 'create-comment' slug=article.slug %}" method="post">
             {% csrf_token %}
             <table>
                 {{ form.as_table }}
diff --git a/articles/views/html.py b/articles/views/html.py
index a1fc3cc..49497d4 100644
--- a/articles/views/html.py
+++ b/articles/views/html.py
@@ -74,6 +74,9 @@ class ArticleDetailView(FormMixin, generic.DetailView):
             return self.form_invalid(form)
 
     def form_invalid(self, form):
+        messages.error(
+            self.request, "Your comment couldn't be saved, see the form below."
+        )
         return super().form_invalid(form)
 
     def form_valid(self, form):