136 lines
4.7 KiB
Python
136 lines
4.7 KiB
Python
"""Script for everything Order related in the database"""
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import typing
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from collections import defaultdict
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from datetime import datetime
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import secrets
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import string
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from hlds.definitions import location_definitions
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from utils import first
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from .database import db
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from .user import User
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def generate_slug():
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alphabet = string.ascii_letters + string.digits
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secret = ''.join(secrets.choice(alphabet) for i in range(7))
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while Order.query.filter(Order.slug == secret).first() is not None:
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secret = ''.join(secrets.choice(alphabet) for i in range(7))
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return secret
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class Order(db.Model):
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"""Class used for configuring the Order model in the database"""
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id = db.Column(db.Integer, primary_key=True)
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courier_id = db.Column(db.Integer, nullable=True)
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location_id = db.Column(db.String(64))
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location_name = db.Column(db.String(128))
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starttime = db.Column(db.DateTime)
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stoptime = db.Column(db.DateTime)
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public = db.Column(db.Boolean, default=True)
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slug = db.Column(db.String(7), default=generate_slug, unique=True)
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association = db.Column(db.String(120), nullable=False, server_default="")
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items = db.relationship("OrderItem", backref="order", lazy="dynamic")
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def __getattr__(self, name):
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if name == "location":
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return first(
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filter(lambda l: l.id == self.location_id, location_definitions)
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)
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raise AttributeError()
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def __repr__(self) -> str:
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# pylint: disable=R1705
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if self.location:
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return f"Order {self.id} @ {self.location.name or 'None'}"
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else:
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return f"Order {self.id}"
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def update_from_hlds(self) -> None:
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"""
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Update the location name from the HLDS definition.
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User should commit after running this to make the change persistent.
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"""
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assert (
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self.location_id
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), "location_id must be configured before updating from HLDS"
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self.location_name = self.location.name
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def for_user(self, anon=None, user=None) -> typing.List:
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"""Get the items for a certain user"""
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return list(
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filter(
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(lambda i: i.user == user)
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if user is not None
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else (lambda i: i.user_name == anon),
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self.items,
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)
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)
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def group_by_user(self) -> typing.List[typing.Tuple[str, typing.List]]:
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"""Group items of an Order by user"""
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group: typing.Dict[str, typing.List] = {}
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# pylint: disable=E1133
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for item in self.items:
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if item.for_name not in group:
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group[item.for_name] = []
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group[item.for_name].append(item)
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for _user_name, order_items in group.items():
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order_items.sort(key=lambda order_item: order_item.comment or "")
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return list(sorted(group.items(), key=lambda t: (t[0] or "", t[1] or "")))
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def group_by_dish(
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self,
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) -> typing.List[
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typing.Tuple[str, int, typing.List[typing.Tuple[str, typing.List]]]
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]:
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"""Group items of an Order by dish"""
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group: typing.Dict[str, typing.Dict[str, typing.List]] = defaultdict(
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lambda: defaultdict(list)
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)
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# pylint: disable=E1133
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for item in self.items:
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group[item.dish_name][item.comment].append(item)
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return sorted(
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(
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dish_name,
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# Amount of items of this dish
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sum(map(len, comment_group.values())),
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sorted(
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(comment, sorted(items, key=lambda x: (x.for_name or "")))
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for comment, items in comment_group.items()
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),
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)
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for dish_name, comment_group in group.items()
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)
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def is_closed(self) -> bool:
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"""Return whether the order is closed"""
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return self.stoptime and datetime.now() > self.stoptime
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def can_close(self, user_id: int) -> bool:
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"""Check if a user can close the Order"""
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if self.stoptime and self.stoptime < datetime.now():
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return False
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user = None
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if user_id:
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user = User.query.filter_by(id=user_id).first()
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if self.courier_id == user_id or (user and user.is_admin()):
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return True
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return False
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def can_modify_prices(self, user_id: int) -> bool:
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if not self.is_closed():
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return False
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user = User.query.filter_by(id=user_id).first()
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return user and (user.is_admin() or user == self.courier)
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def can_modify_payment(self, user_id: int) -> bool:
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user = User.query.filter_by(id=user_id).first()
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return user and (user.is_admin() or user == self.courier)
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