def data_last_updated(self, update=False, view=None, pval=None):
"""
Return the date the data for this widget was last updated.
update: If true, the objects last-updated cache is flushed and recalculated.
view, pval: One of these must be supplied for a parametised widget (unless a non-None wd has been passed in)
"""
pval = resolve_pval(self.parametisation, view=view, pval=pval)
if pval:
if self._lud_cache and self._lud_cache.get(pval.id) and not update:
return self._lud_cache[pval.id]
if not self._lud_cache:
self._lud_cache = {}
latest = None
Statistic = apps.get_app_config("widget_def").get_model("Statistic")
for s in Statistic.objects.filter(tile__widget=self):
slu = s.data_last_updated(update, view, pval)
if latest is None:
latest = slu
elif slu and slu > latest:
latest = slu
self._lud_cache[pval.id] = latest
return self._lud_cache[pval.id]
else:
if self._lud_cache and not update:
return self._lud_cache
lud_statdata = StatisticData.objects.filter(statistic__tile__widget=self).aggregate(lud=models.Max('last_updated'))['lud']
lud_listdata = StatisticListItem.objects.filter(statistic__tile__widget=self).aggregate(lud=models.Max('last_updated'))['lud']
lud_graphdata = GraphData.objects.filter(graph__tile__widget=self).aggregate(lud=models.Max("last_updated"))["lud"]
luds_mapdata = [None]
for t in self.tiledefinition_set.all():
for ds in t.geo_datasets.all():
luds_mapdata.append(ds.data_last_updated(update))
self._lud_cache = max_with_nulls(lud_statdata, lud_listdata, lud_graphdata, *luds_mapdata)
return self._lud_cache
def data_last_updated(self, update=False, view=None, pval=None):
"""
Return the date the data for this widget was last updated.
update: If true, the objects last-updated cache is flushed and recalculated.
view, pval: One of these must be supplied for a parametised widget (unless a non-None wd has been passed in)
"""
pval = resolve_pval(self.parametisation, view=view, pval=pval)
if pval:
if self._lud_cache and self._lud_cache.get(pval.id) and not update:
return self._lud_cache[pval.id]
if not self._lud_cache:
self._lud_cache = {}
latest = None
Statistic = apps.get_app_config("widget_def").get_model(
"Statistic")
for s in Statistic.objects.filter(tile__widget=self):
slu = s.data_last_updated(update, view, pval)
if latest is None:
latest = slu
elif slu and slu > latest:
latest = slu
self._lud_cache[pval.id] = latest
return self._lud_cache[pval.id]
else:
if self._lud_cache and not update:
return self._lud_cache
lud_statdata = StatisticData.objects.filter(
statistic__tile__widget=self).aggregate(
lud=models.Max('last_updated'))['lud']
lud_listdata = StatisticListItem.objects.filter(
statistic__tile__widget=self).aggregate(
lud=models.Max('last_updated'))['lud']
lud_graphdata = GraphData.objects.filter(
graph__tile__widget=self).aggregate(
lud=models.Max("last_updated"))["lud"]
luds_mapdata = [None]
for t in self.tiles.all():
for ds in t.geo_datasets.all():
luds_mapdata.append(ds.data_last_updated(update))
self._lud_cache = max_with_nulls(lud_statdata, lud_listdata,
lud_graphdata, *luds_mapdata)
return self._lud_cache
def data_last_updated(self, update=False):
if update or not self._lud_cache:
lud_feature = GeoFeature.objects.filter(dataset=self).aggregate(lud=models.Max('last_updated'))['lud']
lud_property = GeoProperty.objects.filter(feature__dataset=self).aggregate(lud=models.Max('last_updated'))['lud']
self._lud_cache = max_with_nulls(lud_feature, lud_property)
return self._lud_cache
def data_last_updated(self, update=False):
if update or not self._lud_cache:
lud_feature = GeoFeature.objects.filter(dataset=self).aggregate(lud=models.Max('last_updated'))['lud']
lud_property = GeoProperty.objects.filter(feature__dataset=self).aggregate(lud=models.Max('last_updated'))['lud']
self._lud_cache = max_with_nulls(lud_feature, lud_property)
return self._lud_cache
