Gracefully try to correct board URLs with one year

website/activemembers/models.py

@@ -136,8 +136,8 @@ class Board(Committee):
         ordering = ['-since']
 
     def get_absolute_url(self):
-        return reverse('activemembers:board',
-                       args=['{}-{}'.format(self.since.year, self.until.year)])
+        return reverse('activemembers:board', args=[str(self.since.year),
+                                                    str(self.until.year)])
 
     def validate_unique(self, *args, **kwargs):
         """ Check uniqueness"""

website/activemembers/urls.py

@@ -13,6 +13,7 @@ urlpatterns = [
     url(r'committees/$', views.committee_index, name='committees'),
     url(r'^committees/(?P<id>\d+)/$', views.committee_detail, name='committee'),
     url(r'^boards/$', views.board_index, name='boards'),
-    url(r'^board/(?P<year>\d{4}-\d{4})$', views.board_detail, name='board'),
+    url(r'^board/(?P<since>\d{4})$', views.board_detail, name='board'),
+    url(r'^board/(?P<since>\d{4})-(?P<until>\d{4})$', views.board_detail, name='board'),
     url(r'^board$', views.current_board, name='current-board'),
 ]

website/activemembers/views.py

@@ -44,9 +44,12 @@ def board_index(request):
                   {'boards': boards})
 
 
-def board_detail(request, year):
+def board_detail(request, since, until=None):
     """View the details of a board"""
-    since, until = year.split('-')
+    if not until:  # try to correct /board/2016 to /2016-2017
+        return redirect(reverse('activemembers:board',
+                                kwargs={'since': since,
+                                        'until': int(since) + 1}))
     board = get_object_or_404(Board, since__year=since, until__year=until)
     members = []
     memberships = (CommitteeMembership