174 lines
5.7 KiB
Python
174 lines
5.7 KiB
Python
import uuid
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from datetime import date, timedelta
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from decimal import Decimal
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from typing import List, Optional
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from fastapi import APIRouter, Depends, HTTPException, Security, status
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from sqlalchemy import and_, or_, select
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from sqlalchemy.orm import Session, contains_eager, joinedload
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from ..core.security import get_current_active_user as get_user
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from ..db.session import SessionFuture
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from ..models.menu_category import MenuCategory
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from ..models.product_version import ProductVersion
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from ..schemas.update_product_prices import UpdateProductPrices, UpdateProductPricesItem
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from ..schemas.user_token import UserToken
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from . import optional_query_date
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router = APIRouter()
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@router.get("", response_model=UpdateProductPrices)
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def get_update_product_prices(
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date_: Optional[date] = Depends(optional_query_date),
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user: UserToken = Security(get_user, scopes=["products"]),
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) -> UpdateProductPrices:
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if date_ is None:
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return UpdateProductPrices(
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date=date.today(),
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items=[],
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)
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with SessionFuture() as db:
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return UpdateProductPrices(
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date=date_,
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items=update_product_prices_list(None, date_, db),
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)
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@router.get("/{id_}", response_model=UpdateProductPrices)
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def get_update_product_prices_id(
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id_: uuid.UUID,
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date_: Optional[date] = Depends(optional_query_date),
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user: UserToken = Security(get_user, scopes=["products"]),
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) -> UpdateProductPrices:
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if date_ is None:
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return UpdateProductPrices(
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date=date.today(),
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menuCategoryId=id_,
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items=[],
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)
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with SessionFuture() as db:
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return UpdateProductPrices(
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date=date_,
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menuCategoryId=id_,
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items=update_product_prices_list(id_, date_, db),
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)
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def update_product_prices_list(
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menu_category_id: Optional[uuid.UUID], date_: date, db: Session
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) -> List[UpdateProductPricesItem]:
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list_ = (
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select(ProductVersion)
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.join(ProductVersion.menu_category)
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.where(
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and_(
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or_(
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ProductVersion.valid_from == None, # noqa: E711
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ProductVersion.valid_from <= date_,
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),
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or_(
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ProductVersion.valid_till == None, # noqa: E711
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ProductVersion.valid_till >= date_,
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),
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)
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)
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)
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if menu_category_id is not None:
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list_ = list_.where(ProductVersion.menu_category_id == menu_category_id)
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list_.order_by(
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MenuCategory.sort_order,
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MenuCategory.name,
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ProductVersion.sort_order,
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ProductVersion.name,
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ProductVersion.valid_from.nullsfirst(),
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).options(
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joinedload(ProductVersion.menu_category, innerjoin=True),
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contains_eager(ProductVersion.menu_category),
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)
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return [
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UpdateProductPricesItem(id=item.product_id, name=item.full_name, oldPrice=item.price, newPrice=item.price)
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for item in db.execute(list_).scalars().all()
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]
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@router.post("", response_model=UpdateProductPrices)
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def save_update_product_prices(
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data: UpdateProductPrices,
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user: UserToken = Security(get_user, scopes=["products"]),
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) -> UpdateProductPrices:
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with SessionFuture() as db:
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for item in data.items:
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update_product(item.id, item.new_price, data.date_, db)
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db.commit()
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return UpdateProductPrices(
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date=data.date_,
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items=update_product_prices_list(None, data.date_, db),
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)
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@router.post("/{id_}", response_model=UpdateProductPrices)
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def save_update_product_prices_id(
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id_: uuid.UUID,
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data: UpdateProductPrices,
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user: UserToken = Security(get_user, scopes=["products"]),
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) -> UpdateProductPrices:
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with SessionFuture() as db:
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for item in data.items:
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update_product(item.id, item.new_price, data.date_, db)
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db.commit()
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return UpdateProductPrices(
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date=data.date_,
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menuCategoryId=id_,
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items=update_product_prices_list(id_, data.date_, db),
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)
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def update_product(id_: uuid.UUID, price: Decimal, date_: date, db: Session):
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item: ProductVersion = db.execute(
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select(ProductVersion)
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.join(ProductVersion.menu_category)
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.where(
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and_(
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ProductVersion.product_id == id_,
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or_(
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ProductVersion.valid_from == None, # noqa: E711
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ProductVersion.valid_from <= date_,
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),
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or_(
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ProductVersion.valid_till == None, # noqa: E711
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ProductVersion.valid_till >= date_,
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),
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)
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)
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).scalar_one()
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if item.valid_till is not None:
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# Allow adding a product here splitting the valid from and to, but not implemented right now
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raise HTTPException(
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status_code=status.HTTP_500_INTERNAL_SERVER_ERROR,
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detail="Product has been invalidated",
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)
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if item.valid_from == date_: # Update the product as valid from the the same
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item.price = price
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db.commit()
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else: # Create a new version of the product from the new details
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item.valid_till = date_ - timedelta(days=1)
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product_version = ProductVersion(
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product_id=item.product_id,
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name=item.name,
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units=item.units,
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menu_category_id=item.menu_category_id,
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sale_category_id=item.sale_category_id,
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price=price,
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has_happy_hour=item.has_happy_hour,
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is_not_available=item.is_not_available,
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quantity=item.quantity,
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valid_from=date_,
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valid_till=None,
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sort_order=item.sort_order,
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)
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db.add(product_version)
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