197 lines
7.5 KiB
Python
197 lines
7.5 KiB
Python
import uuid
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from datetime import datetime, timedelta
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from typing import Optional
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import barker.schemas.voucher as schemas
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from fastapi import APIRouter, Depends, HTTPException, Security, status
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from sqlalchemy import and_, func, or_
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from sqlalchemy.exc import SQLAlchemyError
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from sqlalchemy.orm import Session
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from ...core.config import settings
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from ...core.security import get_current_active_user as get_user
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from ...db.session import SessionLocal
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from ...models.inventory import Inventory
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from ...models.inventory_modifier import InventoryModifier
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from ...models.kot import Kot
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from ...models.product_version import ProductVersion
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from ...models.voucher import Voucher
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from ...models.voucher_type import VoucherType
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from ...printing.bill import print_bill
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from ...printing.kot import print_kot
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from ...routers.voucher import (
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check_permissions,
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do_update_settlements,
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do_update_table,
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get_bill_id,
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get_guest_book,
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get_tax,
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happy_hour_has_discount,
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happy_hour_items_balanced,
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happy_hour_items_more_than_regular,
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)
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from ...schemas.user_token import UserToken
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router = APIRouter()
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# Dependency
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def get_db():
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try:
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db = SessionLocal()
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yield db
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finally:
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db.close()
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@router.put("/update/{id_}")
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def update(
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id_: uuid.UUID,
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data: schemas.VoucherIn,
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u: bool, # Update table?
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p: int, # Print type
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g: Optional[uuid.UUID] = None, # Guest book id
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db: Session = Depends(get_db),
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user: UserToken = Security(get_user),
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):
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try:
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now = datetime.now()
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product_date = (
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now + timedelta(minutes=settings.TIMEZONE_OFFSET_MINUTES - settings.NEW_DAY_OFFSET_MINUTES)
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).date()
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update_table = u
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voucher_type = VoucherType(p)
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guest_book = get_guest_book(g, db)
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need_to_print_kot = False
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item: Voucher = db.query(Voucher).filter(Voucher.id == id_).first()
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check_permissions(item, voucher_type, user.permissions)
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if guest_book is not None:
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item.pax = guest_book.pax
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item.food_table_id = data.table.id_
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if data.customer is not None:
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item.customer_id = data.customer.id_
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if item.voucher_type != VoucherType.KOT:
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raise HTTPException(
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status_code=status.HTTP_500_INTERNAL_SERVER_ERROR,
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detail="Internal error, reprints should not reach here",
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)
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if item.voucher_type == VoucherType.KOT and voucher_type != VoucherType.KOT:
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item.date = now
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item.bill_id = get_bill_id(voucher_type, db)
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item.voucher_type = voucher_type
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item.user_id = user.id_
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item.last_edit_date = now
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if happy_hour_items_more_than_regular(data.kots):
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raise HTTPException(
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status_code=status.HTTP_422_UNPROCESSABLE_ENTITY,
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detail="When product has happy hours\n"
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"Minimum same number of regular items also needed in the whole bill.",
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)
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for k in item.kots:
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for i in k.inventories:
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i.tax_rate = get_tax(i.tax_rate, voucher_type)
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# TODO: Need to check from the database product for the max discount
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# However simple relationship does not work as we need the product validity as well
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# Still we should not fret too much as we are checking this in the frontend.
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i.discount = next(
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round(inv.discount, 5) for ko in data.kots for inv in ko.inventories if inv.id_ == i.id
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)
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for k in data.kots:
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if happy_hour_has_discount(k.inventories):
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raise HTTPException(
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status_code=status.HTTP_422_UNPROCESSABLE_ENTITY,
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detail="Discount is not allowed on happy hour products.",
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)
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if not happy_hour_items_balanced(k.inventories):
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raise HTTPException(
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status_code=status.HTTP_422_UNPROCESSABLE_ENTITY,
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detail="Happy hour products are not balanced.",
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)
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for k in (k for k in data.kots if k.id_ is None and len(k.inventories) > 0):
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need_to_print_kot = True
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code = db.query(func.coalesce(func.max(Kot.code), 0) + 1).scalar()
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kot = Kot(item.id, code, item.food_table_id, now, item.user_id)
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item.kots.append(kot)
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db.add(kot)
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for index, i in enumerate(k.inventories):
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product: ProductVersion = (
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db.query(ProductVersion)
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.filter(
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and_(
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ProductVersion.product_id == i.product.id_,
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or_(
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ProductVersion.valid_from == None, # noqa: E711
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ProductVersion.valid_from <= product_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 >= product_date,
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),
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)
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)
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.first()
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)
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if round(i.quantity, 2) < 0:
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if "edit-printed-product" not in user.permissions:
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raise HTTPException(
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status_code=status.HTTP_403_FORBIDDEN,
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detail=f"You are not allowed to delete printed products."
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f"\n In this case {product.full_name}",
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)
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minimum = round(
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sum(
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inv.quantity
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for ko in item.kots
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for inv in ko.inventories
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if ko.id and inv.product_id == product.id
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)
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* -1,
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2,
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)
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if round(i.quantity, 2) < minimum:
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raise HTTPException(
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status_code=status.HTTP_422_UNPROCESSABLE_ENTITY,
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detail=f"Quantity of {product.full_name} cannot be less than {minimum}",
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)
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tax_rate = get_tax(product.sale_category.tax.rate, voucher_type)
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inv = Inventory(
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kot.id,
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product.product_id,
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round(i.quantity, 2),
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product.price,
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round(min(i.discount, product.sale_category.discount_limit), 5),
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i.is_happy_hour,
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product.sale_category.tax_id,
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tax_rate,
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index,
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)
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kot.inventories.append(inv)
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db.add(inv)
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for m in i.modifiers:
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mod = InventoryModifier(None, m.id_, 0)
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inv.modifiers.append(mod)
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db.add(mod)
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do_update_settlements(item, [], db)
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if update_table:
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do_update_table(item, guest_book, db)
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db.commit()
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if need_to_print_kot:
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print_kot(item.id, db)
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if item.voucher_type != VoucherType.KOT:
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print_bill(item.id, db)
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except SQLAlchemyError as e:
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db.rollback()
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raise HTTPException(
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status_code=status.HTTP_500_INTERNAL_SERVER_ERROR,
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detail=str(e),
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)
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except Exception:
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db.rollback()
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raise
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