AFPy/PonyConf
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PonyConf
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planning: database requests optimization

This commit is contained in:
Élie Bouttier 2017-11-19 21:41:28 +01:00
parent 5da508d2d0
commit c7c41cfb3d
1 changed files with 8 additions and 4 deletions
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12
cfp/planning.py
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@ -1,4 +1,4 @@
from django.db.models import Q
from django.db.models import Q, Prefetch
from django.utils.safestring import mark_safe
from django.utils.html import escape
from django.utils.timezone import localtime
@ -15,7 +15,7 @@ from zlib import adler32
import xml.etree.ElementTree as ET
from icalendar import Calendar as iCalendar, Event as iEvent
from .models import Conference, Talk, Room
from .models import Conference, Talk, Room, Tag
Event = namedtuple('Event', ['talk', 'row', 'rowcount'])
@ -33,7 +33,11 @@ class Program:
self.talks = Talk.objects.\
exclude(category__label__exact='').\
filter(site=self.site, room__isnull=False, start_date__isnull=False).\
filter(Q(duration__gt=0) | Q(category__duration__gt=0))
filter(Q(duration__gt=0) | Q(category__duration__gt=0)).\
prefetch_related(
Prefetch('tags', queryset=Tag.objects.filter(staff=True), to_attr='staff_tags'),
'category', 'speakers', 'track', 'tags', 'room',
)
if self.pending:
self.talks = self.talks.exclude(accepted=False)
@ -142,7 +146,7 @@ class Program:
continue
options = ' rowspan="%d" bgcolor="%s"' % (event.rowcount, event.talk.category.color)
cellcontent = escape(str(event.talk)) + '<br><em>' + escape(event.talk.get_speakers_str()) + '</em>'
for tag in event.talk.tags.filter(staff=True):
for tag in event.talk.staff_tags:
cellcontent += '<br>' + tag.label
elif (i+1 > len(events) or not events[i+1]) and i+1 < self.cols[room]:
colspan += 1