447ed3eaf7
Allow Markdown within the speaker bio and proposal abstract, with a restricted set of tags for safety. Render direct to markdown instead of storing plain and HTML in the database. Fix issue in timetable when a day had no slots created.
60 lines
1.9 KiB
Python
60 lines
1.9 KiB
Python
import itertools
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from django.db.models import Count, Min
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from symposion.schedule.models import Room, Slot, SlotRoom
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class TimeTable(object):
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def __init__(self, day):
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self.day = day
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self.slots_qs = Slot.objects.filter(day=day)\
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.select_related('kind', 'content_ptr__speaker__user')\
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.prefetch_related('content_ptr__additional_speakers')
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self._times = sorted(
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set(itertools.chain(*self.slots_qs.values_list("start", "end")))
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)
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def slots(self):
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if not hasattr(self, '_slots'):
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filters = {
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"room_count": Count("slotroom"),
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"order": Min("slotroom__room__order")
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}
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self._slots = self.slots_qs.annotate(**filters).order_by("order")
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return self._slots
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def rooms(self):
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if not hasattr(self, '_rooms'):
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self._rooms = Room.objects\
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.filter(slotroom__slot__in=self.slots_qs)\
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.distinct()\
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.order_by("order")
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return self._rooms
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def __iter__(self):
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if not self._times:
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return
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slots = self.slots()
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total_room_count = self.rooms().count()
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for time, next_time in pairwise(self._times):
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row = {"time": time, "end": next_time, "slots": []}
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row_slots = [ slot for slot in slots if slot.start == time]
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for slot in row_slots:
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slot.rowspan = TimeTable.rowspan(self._times, slot.start, slot.end)
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slot.colspan = slot.room_count if not slot.exclusive else total_room_count
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row["slots"].append(slot)
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if row["slots"] or next_time is None:
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yield row
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@staticmethod
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def rowspan(times, start, end):
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return times.index(end) - times.index(start)
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def pairwise(iterable):
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a, b = itertools.tee(iterable)
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next(b)
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return itertools.zip_longest(a, b)
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