Adds a schedule_json view which provides a /schedule/conference.json endpoint, of the kind that Carl uses for producing conference videos.

Also useful to feed into mobile schedule apps!

It is expected that someone might have to customize this for their own installation (PyCon Canada definitely did, with modifications to some of the models).

symposion/schedule/models.py

@@ -1,3 +1,5 @@
+import datetime
+
 from django.core.exceptions import ObjectDoesNotExist
 from django.db import models
 
@@ -92,6 +94,29 @@ class Slot(models.Model):
         except ObjectDoesNotExist:
             return None
 
+    @property
+    def start_datetime(self):
+        return datetime.datetime(
+            self.day.date.year,
+            self.day.date.month,
+            self.day.date.day,
+            self.start.hour,
+            self.start.minute)
+    
+    @property
+    def end_datetime(self):
+        return datetime.datetime(
+            self.day.date.year,
+            self.day.date.month,
+            self.day.date.day,
+            self.end.hour,
+            self.end.minute)
+    
+    @property
+    def length_in_minutes(self):
+        return int(
+            (self.end_datetime - self.start_datetime).total_seconds() / 60)
+    
     @property
     def rooms(self):
         return Room.objects.filter(pk__in=self.slotroom_set.values("room"))

symposion/schedule/urls.py

@@ -1,5 +1,8 @@
 # flake8: noqa
 from django.conf.urls.defaults import url, patterns
+from django.views.decorators.cache import cache_page
+
+from symposion.schedule.views import schedule_json
 
 
 urlpatterns = patterns("symposion.schedule.views",
@@ -13,4 +16,5 @@ urlpatterns = patterns("symposion.schedule.views",
     url(r"^([\w\-]+)/list/$", "schedule_list", name="schedule_list"),
     url(r"^([\w\-]+)/presentations.csv$", "schedule_list_csv", name="schedule_list_csv"),
     url(r"^([\w\-]+)/edit/slot/(\d+)/", "schedule_slot_edit", name="schedule_slot_edit"),
+    url(r"^conference.json", cache_page(300)(schedule_json), name="schedule_json"),
 )

symposion/schedule/views.py

@@ -156,3 +156,52 @@ def schedule_presentation_detail(request, pk):
         "schedule": schedule,
     }
     return render(request, "schedule/presentation_detail.html", ctx)
+
+
+def schedule_json(request):
+    everything = bool(request.GET.get('everything'))
+    slots = Slot.objects.all().order_by("start")
+    data = []
+    for slot in slots:
+        if slot.content:
+            slot_data = {
+                "name": slot.content.title,
+                "room": ", ".join(room["name"] for room in slot.rooms.values()),
+                "start": slot.start_datetime.isoformat(),
+                "end": slot.end_datetime.isoformat(),
+                "duration": slot.length_in_minutes,
+                "authors": [s.name for s in slot.content.speakers()],
+                "released": slot.content.proposal.recording_release,
+                # You may wish to change this...
+                "license": "All Rights Reserved",
+                "contact":
+                [s.email for s in slot.content.speakers()]
+                if request.user.is_staff
+                else ["redacted"],
+                "abstract": slot.content.abstract.raw,
+                "description": slot.content.description.raw,
+                "conf_key": slot.content.pk,
+                "conf_url": "https://%s%s" % (
+                    Site.objects.get_current().domain,
+                    reverse("schedule_presentation_detail", args=[slot.content.pk])
+                ),
+                "kind": slot.kind.label,
+                "tags": "",
+            }
+        elif everything:
+            slot_data = {
+                "room": ", ".join(room["name"] for room in slot.rooms.values()),
+                "start": slot.start_datetime.isoformat(),
+                "end": slot.end_datetime.isoformat(),
+                "duration": slot.length_in_minutes,
+                "kind": slot.kind.label,
+                "title": slot.content_override.raw,
+            }
+        else:
+            continue
+        data.append(slot_data)
+
+    return HttpResponse(
+        json.dumps({'schedule': data}),
+        content_type="application/json"
+    )