allow team to remove helpers from shifts

shiftregister/team/templates/shift_detail.html

@@ -17,13 +17,16 @@
 {% for reg in shift.shiftregistration_set.all %}
     <div class="column is-one-quarter">
         <div class="box is-flex is-align-items-center is-justify-content-space-between">
-            <a class="is-block is-size-4" href="{% url 'team:helper' reg.helper.pk %}">{{ reg.helper.name }}</a>
+            <div class="content">
+            <a class="is-size-4" href="{% url 'team:helper' reg.helper.pk %}">{{ reg.helper.name }}</a>
             <a class="button is-link is-small" href="tel:{{ reg.helper.phone }}">📞</a>
             {% if not reg.is_checked_in %}
-            <a class="button is-warning is-small" href="{%url 'team:checkin' reg.pk%}">als angekommen markieren</a>
+            <a class="button is-warning is-small" href="{%url 'team:checkin' reg.pk%}">als angekommen markieren</a><br>
             {% else %}
             <div class="button is-success"> ✓</div>
             {% endif %}
+            <a class="button is-danger is-small" href="{%url 'team:unregister' reg.pk%}">helfer abmelden</a>
+        </div>
         </div>
     </div>
 {% endfor %}

shiftregister/team/urls.py

@@ -12,4 +12,5 @@ urlpatterns = [
     path("helper/<int:pk>", views.HelperDetail.as_view(), name="helper"),
     path("message/", views.bulk_message, name="bulk_message"),
     path("checkin/<int:pk>", views.checkin, name="checkin"),
+    path("remove_helper/<int:pk>", views.delete_shiftregistration, name="unregister"),
 ]

shiftregister/team/views.py

@@ -162,3 +162,10 @@ def checkin(request, pk):
     reg.state = reg.RegState.CHECKED_IN
     reg.save()
     return redirect("team:shift", pk=reg.shift.pk)
+
+@login_required
+def delete_shiftregistration(request, pk):
+    reg = get_object_or_404(ShiftRegistration, pk=pk)
+    spk = reg.shift.pk
+    reg.delete()
+    return redirect("team:shift", pk=spk)