49 lines
1.5 KiB
Python
49 lines
1.5 KiB
Python
from sqlalchemy import Column, Integer, String, Numeric, Date, UniqueConstraint, func
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from commons.models.mixin.calculator import CalculatorMixin
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from core.extensions import db
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class AsphaltImported(db.Model, CalculatorMixin):
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__tablename__ = 'ASPHALT_IMPORTED'
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id = Column('ID', Integer, primary_key=True)
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name = Column('NAME', String(128), default='', comment='名称')
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price = Column('PRICE', Numeric(16, 4), default=0, comment='价格')
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date = Column('DATE', Date, comment='日期')
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__table_args__ = (
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UniqueConstraint(name, date, name='Idx_key'),
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{'comment': '进口沥青'},
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)
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@classmethod
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def get_items(cls, year, month, name_in):
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query = cls.query
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query = cls.query_by_month(query, year, month)
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query = query.filter(cls.name.in_(name_in))
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query = query.with_entities(cls.name, func.avg(cls.price))
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query = query.group_by(cls.name)
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result = query.all()
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return result
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@classmethod
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def get_by_key(cls, name, date):
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query = cls.query
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query = query.filter(
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cls.name == name,
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cls.date == date,
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)
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return query.one_or_none()
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def upsert(self):
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result = self.get_by_key(self.name, self.date)
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if not result:
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session = db.session
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session.add(self)
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session.commit()
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else:
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session = db.session
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self.id = result.id
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session.add(result)
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session.commit()
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