def _build_batch_statistics(batch):
if _has_batch_statistics(batch):
return
engines = {}
for server in batch.server_set.all():
engine = server.engine
if not engine.name in engines:
e = BatchStatistics()
e.batch = batch
e.engine = engine
engines[engine.name] = e
e = engines[engine.name]
e.server_count += 1
e.human_player_count += Player.objects.filter(server__server=server, is_bot=False).count()
for batchstats in engines.itervalues():
print >>sys.stderr, "Saving batch stats: {0}".format(batchstats)
batchstats.save()
def stats_daterange_table(daterange, engine=None):
counters = BatchStatistics.avg_in_daterange(engine, daterange)
return Table(
id="stats-daterange-table",
header="Amounts in date range",
rows=[
("Collected batches:", RefreshBatch.objects.filter(date__range=daterange).count()),
("Average server count:", DecimalCell(counters.server_count)),
("Average player count:", DecimalCell(counters.human_player_count))
])
def _build_players_chart_data(daterange, engine):
resolution = daterange_resolution(daterange)
dateslices = RefreshBatch.slice(daterange, resolution)
if not dateslices:
return []
if resolution == "day":
dateformat = "%Y-%m-%d %a"
elif resolution == "hour":
if dateslices[0].date() == dateslices.last().date():
dateformat = "%H:%M"
else:
dateformat = "%d %a %H:%M"
rows = []
for dateslice in dateslices:
dateslice = timezone.localtime(dateslice, timezone.utc)
if resolution == "day":
nextdate = dateslice + timedelta(days=1)
elif resolution == "hour":
nextdate = dateslice + timedelta(hours=1)
count = BatchStatistics.avg_in_daterange(engine, (dateslice, nextdate))
rows.append((dateslice.strftime(dateformat), count.human_player_count))
return rows
