From bc0f49f391c335f763dc4614f4e7b647742bded4 Mon Sep 17 00:00:00 2001
From: Joel Addison <joel@addison.net.au>
Date: Sun, 15 Dec 2019 16:02:44 +1000
Subject: [PATCH] Fix presentation detail

Do not retrieve schedule if it does not exist for proposal kind section.
Do not show slot information if slot is not assigned.
---
 .../templates/symposion/schedule/presentation_detail.html | 8 +++++++-
 vendor/symposion/schedule/views.py                        | 5 ++++-
 2 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/pinaxcon/templates/symposion/schedule/presentation_detail.html b/pinaxcon/templates/symposion/schedule/presentation_detail.html
index e91421be..e6ecf940 100644
--- a/pinaxcon/templates/symposion/schedule/presentation_detail.html
+++ b/pinaxcon/templates/symposion/schedule/presentation_detail.html
@@ -8,7 +8,13 @@
 
 {% block head_title %}Presentation: {{ presentation.title }}{% endblock %}
 {% block page_title %}{{ presentation.title }}{% endblock %}
-{% block page_lead %}{{ presentation.slot.rooms.0 }} | {{ presentation.slot.day.date|date:"D d M" }} | {{ presentation.slot.start}}&ndash;{{ presentation.slot.end }}{% endblock %}
+{% block page_lead %}
+{% if presentation.slot %}
+{{ presentation.slot.rooms.0 }} | {{ presentation.slot.day.date|date:"D d M" }} | {{ presentation.slot.start }}&ndash;{{ presentation.slot.end }}
+{% else %}
+<em>Not currently scheduled.</em>
+{% endif %}
+{% endblock %}
 
 {% block content %}
   {% if presentation.unpublish %}
diff --git a/vendor/symposion/schedule/views.py b/vendor/symposion/schedule/views.py
index 99f3bf2c..275b9bf5 100644
--- a/vendor/symposion/schedule/views.py
+++ b/vendor/symposion/schedule/views.py
@@ -186,12 +186,15 @@ def schedule_presentation_detail(request, pk):
 
     presentation = get_object_or_404(Presentation, pk=pk)
 
+    schedule = None
     if presentation.slot:
         # 1) Schedule from presentation's slot
         schedule = presentation.slot.day.schedule
     else:
         # 2) Fall back to the schedule for this proposal
-        schedule = presentation.proposal.kind.section.schedule
+        section = presentation.proposal.kind.section
+        if hasattr(section, 'schedule'):
+            schedule = presentation.proposal.kind.section.schedule
 
     if not request.user.is_staff:
         # 3) Is proposal unpublished?