show not sold article in a different list

kfet/templates/kfet/article.html

@@ -7,8 +7,11 @@
 
 <aside>
   <div class="heading">
-    {{ articles|length }}
-    <span class="sub">article{{ articles|length|pluralize }}</span>
+    {{ nb_articles }}
+    <span class="sub">article{{ nb_articles|pluralize }}</span>
+  </div>
+  <div class="heading">
+    <span class="sub">dont {{ articles|length }} en vente</span>
   </div>
 </aside>
 
@@ -25,6 +28,7 @@
 {% endblock %}
 
 {% block main %}
+<h2>Article{{ articles|length|pluralize}} en vente</h2>
 <div class="table-responsive">
   <table class="table table-hover table-condensed">
     <thead>
@@ -60,6 +64,44 @@
     </tbody>
   </table>
 </div>
+
+<h2>Articles non vendus</h2>
+<h2>Article{{ not_sold_articles|length|pluralize }} non vendu{{ nots_sold_article|length|pluralize }}</h2>
+<div class="table-responsive">
+  <table class="table table-hover table-condensed">
+    <thead>
+      <tr>
+        <td>Nom</td>
+        <td class="text-right">Prix</td>
+        <td class="text-right">Stock</td>
+        <td class="text-right">En vente</td>
+        <td class="text-right">Affiché</td>
+        <td class="text-right">Dernier inventaire</td>
+      </tr>
+    </thead>
+    <tbody>
+      {% for article in not_sold_articles %}
+      {% ifchanged article.category %}
+      <tr class="section">
+        <td colspan="6">{{ article.category.name }}</td>
+      </tr>
+      {% endifchanged %}
+      <tr>
+        <td>
+          <a href="{% url 'kfet.article.read' article.pk %}">
+            {{ article.name }}
+          </a>
+        </td>
+        <td class="text-right">{{ article.price }}€</td>
+        <td class="text-right">{{ article.stock }}</td>
+        <td class="text-right">{{ article.is_sold | yesno:"En vente,Non vendu"}}</td>
+        <td class="text-right">{{ article.hidden | yesno:"Caché,Affiché" }}</td>
+        <td class="text-right">{{ article.inventory.0.at }}</td>
+      </tr>
+      {% endfor %}
+    </tbody>
+  </table>
+</div>
 </div>
 
 {% endblock %}

kfet/views.py

@@ -706,6 +706,14 @@ class ArticleList(ListView):
     )
     template_name = 'kfet/article.html'
     context_object_name = 'articles'
+    
+    def get_context_data(self, **kwargs):
+        context = super().get_context_data(**kwargs)
+        articles = context[self.context_object_name]
+        context['nb_articles'] = len(articles)
+        context[self.context_object_name] = articles.filter(is_sold=True)
+        context['not_sold_articles'] = articles.filter(is_sold=False)
+        return context
 
 
 # Article - Create