def update_amount(category_id, amount, delta):
"""Updates asset amount and returns the new amount"""
session = Session()
asset = _get_or_create_asset(
session=session,
category_id=category_id,
)
if delta:
amount = asset.amount + amount
if amount < 0:
raise NotEnoughAssetAmount()
asset.amount = amount
if asset.amount == 0:
session.delete(asset)
session.commit()
def removeKarmaReaction(serverId: str, kr: str):
ses = Session()
kr = getKarmaReactionByServerAndReaction(serverId, kr, ses)
ses.delete(kr)
ses.commit()