65 lines
1.6 KiB
Python
65 lines
1.6 KiB
Python
# coding=UTF-8
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from flask_sqlalchemy import BaseQuery
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from api import db
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class Currencies(db.Model):
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__tablename__ = 'product-currencies'
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iso3char = db.Column(db.String(3), primary_key=True)
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exchange_rate = db.Column(db.Numeric, default=1)
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class MaterialQuery(BaseQuery):
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def wallpapers(self):
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return self.filter(Material.name.in_(Material.WALLPAPER_MATERIALS))
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def canvas(self):
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return self.filter(Material.name.in_(Material.CANVAS_MATERIALS))
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class Material(db.Model):
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__tablename__ = 'product-materials'
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query_class = MaterialQuery
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WALLPAPER_MATERIALS = ['standard-wallpaper',
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'self-adhesive-wallpaper', 'premium-wallpaper']
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CANVAS_MATERIALS = ['standard-canvas']
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id = db.Column('materialid', db.Integer, primary_key=True)
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name = db.Column('material', db.String(255), nullable=False)
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material_price = db.relationship('MaterialPrice', uselist=False)
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@property
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def price(self):
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if self.material_price is not None:
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return self.material_price.price
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return None
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def to_json(self):
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return {
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'id': self.id,
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'name': self.name,
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'price': float(self.price)
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}
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def __repr__(self):
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return self.name
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class MaterialPrice(db.Model):
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__tablename__ = 'v_materialprice'
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groupid = db.Column(db.Integer)
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materialid = db.Column(db.Integer, db.ForeignKey(
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'product-materials.materialid'))
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price = db.Column(db.Numeric)
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__table_args__ = (db.PrimaryKeyConstraint(groupid, materialid),)
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