Initial

app/base/views/model_views/booking.py

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+from django.db.models import Q
+from django.urls import path
+
+from app.base.models.booking import Booking
+from app.base.views.login import LoginRequired
+from app.base.views.model_views.base import (
+    ModelDetailView, ModelListView, ModelCreateView, ModelUpdateView,
+    ViewOptions, ModelDeleteView
+)
+
+
+class BookingOptions(ViewOptions[Booking], LoginRequired):
+    model = Booking
+    icon = 'clock'
+    views = {
+        'list': 'booking:list',
+        'detail': 'booking:detail',
+        'create': 'booking:create',
+        'update': 'booking:update',
+        'delete': 'booking:delete'
+    }
+    list_filter = {'user': 'user__pk'}
+    list_columns = ['begin_time', 'end_time', 'user', 'type']
+    list_render = {
+        'begin_time': {
+            'date_format': 'D. d.m.y, H:i',
+            'width': '11rem',
+        },
+        'end_time': {
+            'date_format': 'H:i',
+            'width': '4rem',
+        },
+    }
+
+
+class BookingListView(BookingOptions, ModelListView):
+    template_name = 'booking_list.html'
+    ordering = ('-end_time',)
+
+    def get_context_data(self, *, object_list=None, **kwargs):
+        context = super().get_context_data(**kwargs)
+        user = self.request.GET.get('user')
+
+        if not user:
+            context['open_bookings'] = Booking.objects.filter(
+                Q(end_time__isnull=True)
+                # | Q(begin_time__gte=date)
+            ).order_by('-begin_time')
+
+        return context
+
+
+class BookingDetailView(BookingOptions, ModelDetailView):
+    pass
+
+
+class BookingCreateView(BookingOptions, ModelCreateView):
+    on_success = 'person:detail', '{.user.pk}'
+
+    def get_initial(self):
+        initial = super().get_initial()
+        initial['user'] = self.request.GET.get('user') or None
+        initial['comment'] = self.request.GET.get('comment') or None
+        return initial
+
+
+class BookingUpdateView(BookingOptions, ModelUpdateView):
+    on_success = 'person:detail', '{.user.pk}'
+
+
+class BookingDeleteView(BookingOptions, ModelDeleteView):
+    on_success = 'person:detail', '{.user.pk}'
+
+
+# URL paths
+app_name = 'booking'
+urlpatterns = [
+    path('', BookingListView.as_view(), name='list'),
+    path('<int:pk>/', BookingDetailView.as_view(), name='detail'),
+    path('new/', BookingCreateView.as_view(), name='create'),
+    path('update/<int:pk>/', BookingUpdateView.as_view(), name='update'),
+    path('delete/<int:pk>/', BookingDeleteView.as_view(), name='delete'),
+]