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laast processed geometry cache key… needed for… stuff

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This commit is contained in:
Laura Klünder 2024-09-17 14:00:44 +02:00
parent 5e6a167337
commit c546f007c1
3 changed files with 32 additions and 6 deletions
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28
src/c3nav/mapdata/models/update.py
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@ -75,6 +75,22 @@ class MapUpdate(models.Model):
cache.set('mapdata:last_processed_update', last_processed_update, None)
return last_processed_update
@classmethod
def last_processed_geometry_update(cls, force=False):
if not force:
last_processed_geometry_update = cache.get('mapdata:last_processed_geometry_update', None)
if last_processed_geometry_update is not None:
return last_processed_geometry_update
try:
with cls.lock():
last_processed_geometry_update = cls.objects.filter(processed=True,
geometries_changed=True).latest().to_tuple
cache.set('mapdata:last_processed_geometry_update', last_processed_geometry_update, None)
except cls.DoesNotExist:
last_processed_geometry_update = (0, 0)
cache.set('mapdata:last_processed_geometry_update', last_processed_geometry_update, None)
return last_processed_geometry_update
@property
def to_tuple(self):
return self.pk, int(make_naive(self.datetime).timestamp())
@ -91,6 +107,10 @@ class MapUpdate(models.Model):
def current_processed_cache_key(cls, request=None):
return cls.build_cache_key(*cls.last_processed_update())
@classmethod
def current_processed_geometry_cache_key(cls, request=None):
return cls.build_cache_key(*cls.last_processed_geometry_update())
@staticmethod
def build_cache_key(pk, timestamp):
return int_to_base36(pk)+'_'+int_to_base36(timestamp)
@ -178,7 +198,9 @@ class MapUpdate(models.Model):
update_cache_key = MapUpdate.build_cache_key(*new_updates[-1].to_tuple)
(settings.CACHE_ROOT / update_cache_key).mkdir()
if any(update.geometries_changed for update in new_updates):
last_geometry_update = ([None] + [update.geometries_changed for update in new_updates])[-1]
if last_geometry_update is not None:
from c3nav.mapdata.utils.cache.changes import changed_geometries
changed_geometries.reset()
@ -209,6 +231,10 @@ class MapUpdate(models.Model):
from c3nav.mapdata.render.renderdata import LevelRenderData
LevelRenderData.rebuild(update_cache_key)
transaction.on_commit(
lambda: cache.set('mapdata:last_processed_geometries_update', last_geometry_update.to_tuple, None)
)
else:
logger.info('No geometries affected.')