Display pools only when necessary

apps/participation/templates/participation/tournament_detail.html

@@ -63,10 +63,12 @@
 
     <hr>
 
+    {% if pools.data %}
         <h3>{% trans "Pools" %}</h3>
         <div id="pools_table">
             {% render_table pools %}
         </div>
+    {% endif %}
 
     {% if user.registration.is_admin %}
         <button class="btn btn-block btn-success" data-toggle="modal" data-target="#addPoolModal">{% trans "Add new pool" %}</button>
@@ -87,20 +89,24 @@
         </div>
     </div>
 
+    {% if user.registration.is_admin %}
         {% trans "Add pool" as modal_title %}
         {% trans "Add" as modal_button %}
         {% url "participation:pool_create" as modal_action %}
         {% include "base_modal.html" with modal_id="addPool" %}
+    {% endif %}
 {% endblock %}
 
 {% block extrajavascript %}
     <script>
         $(document).ready(function () {
+            {% if user.registration.is_admin %}
                 $('button[data-target="#addPoolModal"]').click(function() {
                     let modalBody = $("#addPoolModal div.modal-body");
                     if (!modalBody.html().trim())
                         modalBody.load("{% url "participation:pool_create" %} #form-content")
                 });
+            {% endif %}
         });
     </script>
 {% endblock %}