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models.py
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models.py
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import re
from transliterate import translit
from app import db
categories = db.Table('categories',
db.Column('category_id', db.Integer, db.ForeignKey('product_category.id'), primary_key=True),
db.Column('product_id', db.Integer, db.ForeignKey('product.id'), primary_key=True)
)
def stubify(_string):
return translit(re.sub(' ', '_', _string.lower()), 'ru', reversed=True)
class Product(db.Model):
id = db.Column(db.Integer, primary_key=True)
name = db.Column(db.String(255))
price_kopeck = db.Column(db.Integer) # SQLite doesn't support Decimal, so using integer kopecks for demo purposes
description = db.Column(db.Text())
image_url = db.Column(db.String(255))
categories = db.relationship('ProductCategory', secondary=categories, lazy='subquery',
backref=db.backref('products', lazy=True))
class ProductCategory(db.Model):
def __init__(self, name, stub=None):
self.name = name
self.stub = stub if stub else stubify(name)
id = db.Column(db.Integer, primary_key=True)
name = db.Column(db.String(255))
stub = db.Column(db.String(255))