192 lines
8.3 KiB
Python
192 lines
8.3 KiB
Python
import uuid
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from datetime import datetime, timedelta
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from decimal import Decimal
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import barker.schemas.voucher as schemas
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from fastapi import APIRouter, HTTPException, Security, status
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from sqlalchemy import and_, func, or_, select
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from sqlalchemy.exc import SQLAlchemyError
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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 SessionFuture
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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_bill_numbers,
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do_update_settlements,
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do_update_table,
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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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@router.put("/update/{id_}")
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def update_route(
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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: uuid.UUID | None = None, # Guest book id
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user: UserToken = Security(get_user),
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):
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try:
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with SessionFuture() as db:
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now = datetime.utcnow()
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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.execute(select(Voucher).where(Voucher.id == id_)).scalar_one()
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check_permissions(item, voucher_type, user.permissions)
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item.pax = data.pax
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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.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 ik in item.kots:
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for iki in ik.inventories:
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iki.tax_rate = get_tax(iki.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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iki.discount = next(
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round(inv.discount, 5) for ko in data.kots for inv in ko.inventories if inv.id_ == iki.id
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)
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for dk in data.kots:
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# Filter out nil inventories
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dk.inventories = [dki for dki in dk.inventories if round(dki.quantity, 2) != 0]
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# Filter out nil kots
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data.kots = [k for k in data.kots if len(k.inventories) > 0]
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for dk in data.kots:
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if happy_hour_has_discount(dk.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(dk.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 nk in data.kots:
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if nk.id_ is not None:
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continue
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need_to_print_kot = True
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code = db.execute(select(func.coalesce(func.max(Kot.code), 0) + 1)).scalar_one()
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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, nki in enumerate(nk.inventories):
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product: ProductVersion = db.execute(
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select(ProductVersion).where(
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and_(
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ProductVersion.product_id == nki.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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).scalar_one()
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if round(nki.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: Decimal = round(
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Decimal(
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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 is not None and inv.product_id == product.product_id
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)
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)
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* -1,
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2,
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)
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if round(nki.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=kot.id,
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product_id=product.product_id,
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quantity=round(nki.quantity, 2),
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price=product.price,
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discount=round(min(nki.discount, product.sale_category.discount_limit), 5),
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is_hh=nki.is_happy_hour,
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tax_rate=tax_rate,
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sort_order=index,
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tax=product.sale_category.tax,
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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 nki.modifiers:
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mod = InventoryModifier(None, m.id_, Decimal(0))
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inv.modifiers.append(mod)
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db.add(mod)
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do_update_bill_numbers(item, db)
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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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voucher_id = item.id
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with SessionFuture() as db:
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if need_to_print_kot:
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print_kot(voucher_id, db)
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if item.voucher_type != VoucherType.KOT:
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print_bill(voucher_id, db)
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except SQLAlchemyError as e:
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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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