+
−"""hooks to handle attributes mapped to a custom storage
+
−"""
+
−from cubicweb.server.hook import Hook
+
−from cubicweb.server.sources.storages import ETYPE_ATTR_STORAGE
+
−
+
−
+
−class BFSSHook(Hook):
+
−    """abstract class for bytes file-system storage hooks"""
+
−    __abstract__ = True
+
−    category = 'bfss'
+
−
+
−
+
−class PreAddEntityHook(BFSSHook):
+
−    """"""
+
−    __regid__ = 'bfss_add_entity'
+
−    events = ('before_add_entity', )
+
−
+
−    def __call__(self):
+
−        etype = self.entity.__regid__
+
−        for attr in ETYPE_ATTR_STORAGE.get(etype, ()):
+
−            ETYPE_ATTR_STORAGE[etype][attr].entity_added(self.entity, attr)
+
−
+
−class PreUpdateEntityHook(BFSSHook):
+
−    """"""
+
−    __regid__ = 'bfss_update_entity'
+
−    events = ('before_update_entity', )
+
−
+
−    def __call__(self):
+
−        etype = self.entity.__regid__
+
−        for attr in ETYPE_ATTR_STORAGE.get(etype, ()):
+
−            ETYPE_ATTR_STORAGE[etype][attr].entity_updated(self.entity, attr)
+
−
+
−class PreDeleteEntityHook(BFSSHook):
+
−    """"""
+
−    __regid__ = 'bfss_delete_entity'
+
−    events = ('before_delete_entity', )
+
−
+
−    def __call__(self):
+
−        etype = self.entity.__regid__
+
−        for attr in ETYPE_ATTR_STORAGE.get(etype, ()):
+
−            ETYPE_ATTR_STORAGE[etype][attr].entity_deleted(self.entity, attr)