Add calendar view

apps/participation/tables.py

@@ -1,7 +1,23 @@
+from django.utils import timezone
 from django.utils.translation import gettext_lazy as _
 import django_tables2 as tables
 
-from .models import Team
+from .models import Phase, Team
+
+
+class CalendarTable(tables.Table):
+    class Meta:
+        attrs = {
+            'class': 'table table condensed table-striped',
+        }
+        row_attrs = {
+            'class': lambda record: 'bg-success' if timezone.now() > record.end else
+                                    'bg-waring' if timezone.now() > record.start else
+                                    'bg-danger'
+        }
+        model = Phase
+        fields = ('phase_number', 'description', 'start', 'end',)
+        template_name = 'django_tables2/bootstrap4.html'
 
 
 # noinspection PyTypeChecker