Remove o botao de adicionar appconfig após a existencia deste

sapl/base/templatetags/common_tags.py

@@ -118,3 +118,11 @@ def ultima_filiacao(value):
         return ultima_filiacao.partido
     else:
         return None
+
+
+@register.filter
+def get_config_not_exists(user):
+    if not AppConfig.objects.all().exists():
+        return True
+    else:
+        return False

sapl/templates/base/appconfig_list.html

@@ -0,0 +1,49 @@
+{% extends "crud/list.html" %}
+{% load i18n %}
+{% load common_tags %}
+
+  <div class="actions btn-group pull-right" role="group">
+  {% if user|get_config_not_exists %}
+    <a href="{{ view.create_url }}" class="btn btn-default">
+      {% blocktrans with verbose_name=view.verbose_name %} Adicionar {{ verbose_name }} {% endblocktrans %}
+    </a>
+  {% endif %}
+    {% block more_buttons %}{% endblock more_buttons %}
+  </div>
+
+<br/><br/>
+{% block extra_content %} {% endblock %}
+
+{% if not rows %}
+  <p>{{ NO_ENTRIES_MSG }}</p>
+{% else %}
+  <table class="table table-striped table-hover">
+    <thead>
+      <tr>
+        {% for name in headers %}
+        <th>{{ name }}</th>
+        {% endfor %}
+      </tr>
+    </thead>
+    <tbody>
+    {% for value_list in rows %}
+    <tr>
+      {% for value, href in value_list %}
+      <td>
+        {% if href %}
+        <a href="{{ href }}">{{ value }}</a>
+        {% else %}
+          {{ value|safe }}
+        {% endif %}
+      </td>
+      {% endfor %}
+    </tr>
+    {% endfor %}
+  </tbody>
+  </table>
+{% endif %}
+
+{% include "paginacao.html" %}
+
+{% endblock %}
+