from datetime import datetime from collections import defaultdict from app import db # Create database models class User(db.Model): id = db.Column(db.Integer, primary_key=True) username = db.Column(db.String(80), unique=True, nullable=False) admin = db.Column(db.Boolean) bias = db.Column(db.Integer) runs = db.relationship('Order', backref='courrier', lazy='dynamic') orderItems = db.relationship('OrderItem', backref='user', lazy='dynamic') def configure(self, username, admin, bias): self.username = username self.admin = admin self.bias = bias def is_authenticated(self): return True def is_active(self): return True def is_admin(self): return self.admin def is_anonymous(self): return False def get_id(self): try: return unicode(self.id) # python 2 except NameError: return str(self.id) # python 3 def __repr__(self): return '%s' % self.username class Location(db.Model): id = db.Column(db.Integer, primary_key=True) name = db.Column(db.String(120), nullable=False) address = db.Column(db.String(254)) website = db.Column(db.String(120)) products = db.relationship('Product', backref='location', lazy='dynamic') orders = db.relationship('Order', backref='location', lazy='dynamic') def configure(self, name, address, website): self.name = name self.address = address self.website = website def __repr__(self): return '%s' % (self.name) class Product(db.Model): id = db.Column(db.Integer, primary_key=True) location_id = db.Column(db.Integer, db.ForeignKey('location.id')) name = db.Column(db.String(120), nullable=False) price = db.Column(db.Integer, nullable=False) orderItems = db.relationship('OrderItem', backref='product', lazy='dynamic') def configure(self, location, name, price): self.location = location self.name = name self.price = price def __repr__(self): return '%s (€%d)from %s' % (self.name, self.price/100, self.location or 'None') class Order(db.Model): id = db.Column(db.Integer, primary_key=True) courrier_id = db.Column(db.Integer, db.ForeignKey('user.id'), nullable=True) location_id = db.Column(db.Integer, db.ForeignKey('location.id')) starttime = db.Column(db.DateTime) stoptime = db.Column(db.DateTime) public = db.Column(db.Boolean, default=True) items = db.relationship('OrderItem', backref='order', lazy='dynamic') def configure(self, courrier, location, starttime, stoptime): self.courrier = courrier self.location = location self.starttime = starttime self.stoptime = stoptime def __repr__(self): return 'Order %d @ %s' % (self.id, self.location.name or 'None') def group_by_user(self): group = defaultdict(list) for item in self.items: group[item.get_name()] += [item.product] return group def group_by_user_pay(self): group = defaultdict(int) for item in self.items: group[item.get_name()] += item.product.price return group def group_by_product(self): group = defaultdict(int) for item in self.items: group[item.product.name] += 1 return group def can_close(self, user_id): if self.stoptime and self.stoptime < datetime.now(): return False user = None if user_id: user = User.query.filter_by(id=user_id).first() print(user) if self.courrier_id == user_id or (user and user.is_admin()): return True return False class OrderItem(db.Model): id = db.Column(db.Integer, primary_key=True) user_id = db.Column(db.Integer, db.ForeignKey('user.id')) order_id = db.Column(db.Integer, db.ForeignKey('order.id'), nullable=False) product_id = db.Column(db.Integer, db.ForeignKey('product.id')) name = db.Column(db.String(120)) def configure(self, user, order, product): self.user = user self.order = order self.product = product def get_name(self): if self.user_id is not None and self.user_id > 0: return self.user.username return self.name def __repr__(self): return 'Order %d: %s wants %s' % (self.order_id or 0, self.get_name(), self.product.name or 'None') def can_delete(self, order_id, user_id, name): if int(self.order_id) != int(order_id): return False if self.order.stoptime and self.order.stoptime < datetime.now(): return False if self.user_id == user_id or self.name == name: return True return False