work on home page, fix views & templates issues

aircox/views/program.py

@@ -1,6 +1,7 @@
 from django.db.models import Q
 from django.core.exceptions import ObjectDoesNotExist
 from django.shortcuts import get_object_or_404
+from django.urls import reverse
 
 from ..models import Episode, Program, Page
 from .mixins import ParentMixin
@@ -10,30 +11,54 @@ from .page import PageDetailView, PageListView
 __all__ = ['ProgramPageDetailView', 'ProgramDetailView', 'ProgramPageListView']
 
 
-class ProgramPageDetailView(PageDetailView):
+class BaseProgramMixin:
+    def get_program(self):
+        return self.object
+
+    def get_sidebar_url(self):
+        return reverse('program-page-list',
+                       kwargs={"parent_slug": self.program.slug})
+
+    def get_context_data(self, **kwargs):
+        self.program = self.get_program()
+        kwargs['program'] = self.program
+        return super().get_context_data(**kwargs)
+
+
+class ProgramDetailView(BaseProgramMixin, PageDetailView):
+    model = Program
+
+    def get_sidebar_queryset(self):
+        return super().get_sidebar_queryset().filter(parent=self.program)
+
+
+class ProgramListView(PageListView):
+    model = Program
+
+
+class ProgramPageDetailView(BaseProgramMixin, ParentMixin, PageDetailView):
     """
     Base view class for a page that is displayed as a program's child page.
     """
-    program = None
-    has_sidebar = True
-    list_count = 5
+    parent_model = Program
+
+    def get_program(self):
+        self.parent = self.object.program
+        return self.object.program
 
     def get_sidebar_queryset(self):
-        return super().get_sidebar_queryset().filter(parent=self.object)
+        return super().get_sidebar_queryset().filter(parent=self.program)
 
 
-class ProgramPageListView(ParentMixin, PageListView):
+class ProgramPageListView(BaseProgramMixin, ParentMixin, PageListView):
     model = Page
     parent_model = Program
     queryset = Page.objects.select_subclasses()
 
-
-class ProgramDetailView(ProgramPageDetailView):
-    model = Program
+    def get_program(self):
+        return self.parent
 
     def get_context_data(self, **kwargs):
-        self.program = kwargs.setdefault('program', self.object)
+        kwargs.setdefault('sidebar_url_parent', None)
         return super().get_context_data(**kwargs)
 
-
-