barker/barker/barker/printing/kot.py

62 lines
2.2 KiB
Python

import uuid
from typing import List
from sqlalchemy import or_
from sqlalchemy.orm import Session
from barker.models import SectionPrinter, Printer, Voucher, Kot, Inventory
from barker.worker import sent_to_printer
def design_kot(voucher: Voucher, kot: Kot, items: List[Inventory], copy_number: int) -> str:
s = (
f"KOT / BOT".center(42)
+ "\n\r" + f"Copy No. {copy_number}:".center(42)
+ "\n\r" + "".ljust(42, "-")
+ "\n\r" + f"KOT ID : K-{voucher.kot_id:>5}/S-{kot.code:>5} {kot.date:%d-%b-%Y %H:%M}"
+ "\n\r" + f"Table No.: {voucher.food_table.name}"
+ "\n\r" + "".ljust(42, "-")
+ "\n\r" + " Qty. x Name "
+ "\n\r" + "".ljust(42, "-")
)
for item in items:
name = (
"H H " + item.product.full_name
if item.is_happy_hour
else item.product.full_name
)
s += "\n\r" + f"{item.quantity:6.2} x {name:>33}"
for m in item.modifiers:
s += "\n\r" + f" --- {m.name:>32}"
s += "\n\r" + "".ljust(42, "-")
return s
def print_kot(voucher_id: uuid.UUID, db: Session):
voucher: Voucher = db.query(Voucher).filter(Voucher.id == voucher_id).first()
my_hash = {}
kot: Kot = voucher.kots[-1]
for item in kot.inventories:
printer, copies = (
db.query(Printer, SectionPrinter.copies)
.join(SectionPrinter.printer)
.filter(SectionPrinter.section_id == voucher.food_table.section_id)
.filter(
or_(
SectionPrinter.menu_category_id == item.product.menu_category_id,
SectionPrinter.menu_category_id == None,
)
).order_by(SectionPrinter.menu_category_id)
.first()
)
key = (printer.id, copies)
if key not in my_hash:
my_hash[key] = (printer, [])
my_hash[key][1].append(item)
for key, value in my_hash.items():
printer_id, copies = key
printer, items = value
for c in range(int(copies)):
data = design_kot(voucher, kot, items, c)
sent_to_printer.delay(data, printer.address, printer.cut_code)