Midgard
65fa6441b1
The comment says that mypy gives a "Missing return statement" but it links to an issue on the mypy bug tracker about the same error message reported after exhaustive enum matching. This is a completely different situation, here the "Missing return statement" is warranted: this part of the code is reachable so an explicit `return None` is wanted for this function that returns an Optional.
371 lines
13 KiB
Python
371 lines
13 KiB
Python
"Script to generate the order related views of Haldis"
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import random
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import typing
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from datetime import datetime
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from werkzeug.wrappers import Response
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# from flask import current_app as app
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from flask import (
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Blueprint,
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abort,
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flash,
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redirect,
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render_template,
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request,
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session,
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url_for,
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wrappers,
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)
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from flask_login import current_user, login_required
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from forms import AnonOrderItemForm, OrderForm, OrderItemForm
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from models import Order, OrderItem, User, db
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from hlds.definitions import location_definitions, location_definition_version
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from notification import post_order_to_webhook
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from utils import ignore_none
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order_bp = Blueprint("order_bp", "order")
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@order_bp.route("/")
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def orders(form: OrderForm = None) -> str:
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"Generate general order view"
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if form is None and not current_user.is_anonymous():
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form = OrderForm()
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location_id = request.args.get("location_id")
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form.location_id.default = location_id
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form.process()
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form.populate()
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return render_template("orders.html", orders=get_orders(), form=form)
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@order_bp.route("/create", methods=["POST"])
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@login_required
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def order_create() -> typing.Union[str, Response]:
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"Generate order create view"
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orderForm = OrderForm()
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orderForm.populate()
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if orderForm.validate_on_submit():
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order = Order()
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orderForm.populate_obj(order)
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order.update_from_hlds()
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db.session.add(order)
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db.session.commit()
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post_order_to_webhook(order)
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return redirect(url_for("order_bp.order_from_id", order_id=order.id))
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return orders(form=orderForm)
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@order_bp.route("/<order_id>")
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def order_from_id(order_id: int, form: OrderForm = None, dish_id=None) -> str:
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"Generate order view from id"
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order = Order.query.filter(Order.id == order_id).first()
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if order is None:
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abort(404)
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if current_user.is_anonymous() and not order.public:
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flash("Please login to see this order.", "info")
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abort(401)
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if form is None:
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form = AnonOrderItemForm() if current_user.is_anonymous() else OrderItemForm()
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if order.location:
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form.populate(order.location)
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if order.is_closed():
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form = None
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total_price = sum([o.price for o in order.items])
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debts = sum([o.price for o in order.items if not o.paid])
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dish = order.location.dish_by_id(dish_id) if order.location else None
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return render_template(
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"order.html",
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order=order,
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form=form,
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total_price=total_price,
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debts=debts,
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dish=dish,
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)
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@order_bp.route("/<order_id>/items")
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def items_showcase(order_id: int) -> str:
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"Generate order items view from id"
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order = Order.query.filter(Order.id == order_id).first()
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if order is None:
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abort(404)
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if current_user.is_anonymous() and not order.public:
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flash("Please login to see this order.", "info")
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abort(401)
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total_price = sum([o.price for o in order.items])
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return render_template("order_items.html", order=order, total_price=total_price)
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@order_bp.route("/<order_id>/edit", methods=["GET", "POST"])
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@login_required
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def order_edit(order_id: int) -> typing.Union[str, Response]:
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"Generate order edit view from id"
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order = Order.query.filter(Order.id == order_id).first()
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if current_user.id is not order.courier_id and not current_user.is_admin():
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abort(401)
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if order is None:
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abort(404)
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orderForm = OrderForm(obj=order)
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orderForm.populate()
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if orderForm.validate_on_submit():
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orderForm.populate_obj(order)
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order.update_from_hlds()
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db.session.commit()
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return redirect(url_for("order_bp.order_from_id", order_id=order.id))
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return render_template("order_edit.html", form=orderForm, order_id=order_id)
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@order_bp.route("/<order_id>/create", methods=["GET", "POST"])
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def order_item_create(order_id: int) -> typing.Any:
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# type is 'typing.Union[str, Response]', but this errors due to
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# https://github.com/python/mypy/issues/7187
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"Add item to order from id"
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current_order = Order.query.filter(Order.id == order_id).first()
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if current_order is None:
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abort(404)
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if current_order.is_closed():
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abort(404)
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if current_user.is_anonymous() and not current_order.public:
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flash("Please login to see this order.", "info")
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abort(401)
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location = current_order.location
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# If location doesn't exist any more, adding items is nonsensical
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if not location:
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abort(404)
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form = AnonOrderItemForm() if current_user.is_anonymous() else OrderItemForm()
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dish_id = form.dish_id.data if form.is_submitted() else request.args.get("dish")
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if dish_id and not location.dish_by_id(dish_id):
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abort(404)
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if not form.is_submitted():
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form.dish_id.data = dish_id
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form.populate(current_order.location)
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if form.is_submitted():
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form_for_dish = request.form["form_for_dish"]
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dish_was_changed = form_for_dish != "" and form_for_dish != dish_id
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# The form's validation tests that dish_id is valid and gives a friendly error if it's not
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choices = location.dish_by_id(form.dish_id.data).choices
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chosen = [
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(
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choice.option_by_id(request.form.get("choice_" + choice.id))
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if choice_type == "single_choice"
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else list(
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ignore_none(
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request.form.getlist(
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"choice_" + choice.id, type=choice.option_by_id
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)
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)
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)
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)
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for (choice_type, choice) in choices
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]
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all_choices_present = all(x is not None for x in chosen)
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if dish_was_changed or not all_choices_present:
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try:
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user_name = (
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form.user_name.data if form.user_name.validate(form) else None
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)
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except AttributeError:
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user_name = None
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comment = form.comment.data if form.comment.validate(form) else None
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return redirect(
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url_for(
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"order_bp.order_item_create",
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order_id=order_id,
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dish=form.dish_id.data,
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user_name=user_name,
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comment=comment,
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)
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)
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# If the form was not submitted (GET request) or the form had errors: show form again
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if not form.validate_on_submit():
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return order_from_id(order_id, form=form, dish_id=dish_id)
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# Form was submitted and is valid
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item = OrderItem()
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form.populate_obj(item)
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item.hlds_data_version = location_definition_version
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item.order_id = order_id
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if not current_user.is_anonymous():
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item.user_id = current_user.id
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else:
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session["anon_name"] = item.user_name
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# XXX Temporary until OrderItemChoice is used
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def _name(option):
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no_text_tag = "no_text"
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try:
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if not option or no_text_tag in option.tags:
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return None
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return option.name
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except AttributeError:
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return ", ".join(o.name for o in option if no_text_tag not in o.tags)
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comments = list(ignore_none(_name(option) for option in chosen))
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if item.comment:
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comments.append("Comment: " + item.comment)
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item.comment = "; ".join(comments)
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item.update_from_hlds()
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# XXX Temporary until OrderItemChoice is used. Move this price calculation to update_from_hlds
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# when in OrderItemChoice is in place.
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def _price(option):
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try:
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return option.price or 0
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except AttributeError:
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return sum(o.price or 0 for o in option)
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item.price += sum(_price(option) for option in chosen)
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db.session.add(item)
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db.session.commit()
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flash("Ordered %s" % (item.dish_name), "success")
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return redirect(url_for("order_bp.order_from_id", order_id=order_id))
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@order_bp.route("/<order_id>/<item_id>/paid", methods=["POST"])
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@login_required
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# pylint: disable=R1710
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def item_paid(order_id: int, item_id: int) -> typing.Optional[Response]:
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"Indicate payment status for an item in an order"
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item = OrderItem.query.filter(OrderItem.id == item_id).first()
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user_id = current_user.id
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if item.order.courier_id == user_id or current_user.admin:
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item.paid = True
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db.session.commit()
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flash("Paid %s by %s" % (item.dish_name, item.get_name()), "success")
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return redirect(url_for("order_bp.order_from_id", order_id=order_id))
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abort(404)
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@order_bp.route("/<order_id>/<user_name>/user_paid", methods=["POST"])
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@login_required
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# pylint: disable=R1710
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def items_user_paid(order_id: int, user_name: str) -> typing.Optional[Response]:
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"Indicate payment status for a user in an order"
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user = User.query.filter(User.username == user_name).first()
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items: typing.List[OrderItem] = []
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if user:
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items = OrderItem.query.filter(
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(OrderItem.user_id == user.id) & (OrderItem.order_id == order_id)
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).all()
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else:
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items = OrderItem.query.filter(
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(OrderItem.user_name == user_name) & (OrderItem.order_id == order_id)
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).all()
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current_order = Order.query.filter(Order.id == order_id).first()
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for item in items:
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print(item)
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if current_order.courier_id == current_user.id or current_user.admin:
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for item in items:
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item.paid = True
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db.session.commit()
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flash("Paid %d items for %s" % (len(items), item.get_name()), "success")
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return redirect(url_for("order_bp.order_from_id", order_id=order_id))
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abort(404)
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@order_bp.route("/<order_id>/<item_id>/delete", methods=["POST"])
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# pylint: disable=R1710
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def delete_item(order_id: int, item_id: int) -> typing.Any:
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# type is 'typing.Optional[Response]', but this errors due to
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# https://github.com/python/mypy/issues/7187
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"Delete an item from an order"
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item = OrderItem.query.filter(OrderItem.id == item_id).first()
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user_id = None
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if not current_user.is_anonymous():
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print("%s tries to delete orders" % (current_user.username))
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user_id = current_user.id
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if item.can_delete(order_id, user_id, session.get("anon_name", "")):
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dish_name = item.dish_name
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db.session.delete(item)
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db.session.commit()
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flash("Deleted %s" % (dish_name), "success")
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return redirect(url_for("order_bp.order_from_id", order_id=order_id))
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abort(404)
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@order_bp.route("/<order_id>/volunteer", methods=["POST"])
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@login_required
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def volunteer(order_id: int) -> Response:
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"Add a volunteer to an order"
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order = Order.query.filter(Order.id == order_id).first()
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if order is None:
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abort(404)
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if order.courier_id is None or order.courier_id == 0:
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order.courier_id = current_user.id
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db.session.commit()
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flash("Thank you for volunteering!")
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else:
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flash("Volunteering not possible!")
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return redirect(url_for("order_bp.order_from_id", order_id=order_id))
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@order_bp.route("/<order_id>/close", methods=["POST"])
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@login_required
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def close_order(order_id: int) -> typing.Optional[Response]:
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"Close an order"
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order = Order.query.filter(Order.id == order_id).first()
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if order is None:
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abort(404)
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if (
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current_user.id == order.courier_id or current_user.is_admin()
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) and not order.is_closed():
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order.stoptime = datetime.now()
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if order.courier_id == 0 or order.courier_id is None:
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courier = select_user(order.items)
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print(courier)
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if courier is not None:
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order.courier_id = courier.id
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db.session.commit()
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return redirect(url_for("order_bp.order_from_id", order_id=order_id))
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return None
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def select_user(items) -> typing.Optional[User]:
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"Select a random user from those who are signed up for the order"
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user = None
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# remove non users
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items = [i for i in items if i.user_id]
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if not items:
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return None
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while user is None:
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item = random.choice(items)
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user = item.user
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if user:
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if random.randint(user.bias, 100) < 80:
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user = None
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return user
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def get_orders(expression=None) -> typing.List[Order]:
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"Give the list of all currently open and public Orders"
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order_list: typing.List[OrderForm] = []
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if expression is None:
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expression = (datetime.now() > Order.starttime) & (
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Order.stoptime
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> datetime.now()
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# pylint: disable=C0121
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) | (Order.stoptime == None)
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if not current_user.is_anonymous():
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order_list = Order.query.filter(expression).all()
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else:
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order_list = Order.query.filter(
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# pylint: disable=C0121
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(expression & (Order.public == True))
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).all()
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return order_list
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