47 lines
1.7 KiB
Python
47 lines
1.7 KiB
Python
import datetime
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from dateutil.relativedelta import relativedelta
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from sqlalchemy import Column, Integer, String, Numeric, Date, UniqueConstraint
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from commons.models.mixin.base import BaseModelMixin
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from commons.models.model import Model
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from core.extensions import db
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class AsphaltModifier(db.Model, Model, BaseModelMixin):
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__tablename__ = 'ASPHALT_MODIFIER'
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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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spec = Column('SPEC', String(128), default='', comment='规格')
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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, spec, date, name='Idx_key'),
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{'comment': '沥青改性剂'},
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)
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def find_by_key(self):
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query = AsphaltModifier.query
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query = query.filter(AsphaltModifier.name == self.name)
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query = query.filter(AsphaltModifier.spec == self.spec)
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query = query.filter(AsphaltModifier.date == self.date)
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result = query.one_or_none()
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return result
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@classmethod
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def get_query(cls, year=None, month=None, name=None, spec=None, name_in=None):
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query = cls.query
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if year and month:
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start_date = datetime.date(year, month, 1)
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end_date = start_date + relativedelta(months=1)
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query = query.filter(cls.date >= start_date)
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query = query.filter(cls.date < end_date)
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if name:
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query = query.filter(cls.name == name)
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if name_in:
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query = query.filter(cls.name.in_(name_in))
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if spec:
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query = query.filter(cls.spec == spec)
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return query
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