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buff_price.py
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buff_price.py
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from datetime import datetime
from datetime import datetime
from services.db_context import db
# 1.狂牙武器箱
class BuffPrice(db.Model):
__tablename__ = 'buff_prices'
id = db.Column(db.Integer(), primary_key=True)
case_id = db.Column(db.Integer(), nullable=False)
skin_name = db.Column(db.Unicode(), nullable=False)
skin_price = db.Column(db.Float(), nullable=False)
update_date = db.Column(db.DateTime(), nullable=False)
_idx1 = db.Index('buff_price_idx1', 'skin_name', unique=True)
@classmethod
async def ensure(cls, skin_name: str, for_update: bool = False) -> 'BuffPrice':
query = cls.query.where(
(cls.skin_name == skin_name)
)
if for_update:
query = query.with_for_update()
user = await query.gino.first()
return user or await cls.create(
case_id=1,
skin_name=skin_name,
skin_price=0,
update_date=datetime.min,
)