Limit admin page to show only last 5 classes for better performance

Co-authored-by: karbassi <17738+karbassi@users.noreply.github.com>

Author: Copilot

coderdojochi/old_views.py

@@ -236,7 +236,7 @@ def cdc_admin(request, template_name="admin.html"):
                 output_field=IntegerField(),
             ),
         )
-        .order_by("-start_date")
+        .order_by("-start_date")[:5]
     )
 
     meetings = (

coderdojochi/templates/dashboard/admin.html

@@ -183,9 +183,6 @@ <h2 class="title text-left">Classes <span class="badge">{{ sessions|length }}</s
                     success
                     {% endif %}
                 {% endif %}
-                {% if forloop.counter > 5 %}
-                    collapse session-collapse
-                {% endif %}
                 "
             >
                 <td>{{ session.start_date|date:"M j, Y" }}</td>
@@ -258,15 +255,6 @@ <h2 class="title text-left">Classes <span class="badge">{{ sessions|length }}</s
             </tr>
             {% endfor %}
         </tbody>
-        {% if sessions.count > 5 %}
-        <tfoot>
-          <tr>
-            <td colspan="100" class="text-center">
-              <button class="button" type="button" data-toggle="collapse" data-target=".session-collapse">Show/Hide</button>
-            </td>
-          </tr>
-        </tfoot>
-        {% endif %}
     </table>
     {% else %}
     <p>No past sessions.</p>