barker/barker/barker/printing/discount_report.py

46 lines
1.6 KiB
Python

import asyncio
import locale
import uuid
from arq import ArqRedis, create_pool
from sqlalchemy import select
from sqlalchemy.orm import Session
from ..core.arq import settings as redis_settings
from ..models.device import Device
from ..models.printer import Printer
from ..models.section_printer import SectionPrinter
from ..schemas.discount_report import DiscountReport
from . import currency_format
def print_discount_report(report: DiscountReport, device_id: uuid.UUID, db: Session):
locale.setlocale(locale.LC_MONETARY, "en_IN")
data = design_discount_report(report)
section_id = db.execute(select(Device.section_id).where(Device.id == device_id)).scalar_one()
printer = db.execute(
select(Printer)
.join(SectionPrinter.printer)
.where(SectionPrinter.section_id == section_id)
.where(SectionPrinter.sale_category_id == None) # noqa: E711
).scalar_one()
loop = asyncio.new_event_loop()
redis: ArqRedis = loop.run_until_complete(create_pool(redis_settings))
loop.run_until_complete(
redis.enqueue_job(
"sent_to_printer", data, printer.address, printer.cut_code, _queue_name=f"barker:print:{printer.name}"
)
)
loop.close()
def design_discount_report(report: DiscountReport):
s = f"{report.start_date:%d-%b-%Y} To {report.finish_date:%d-%b-%Y}".center(42)
s += "\n\r" + "-" * 42
s += f"\n\r{'Name': <29.29} {'Amount': >12.12}"
for item in report.amounts:
s += f"\n\r{item.name: <29.29} {currency_format(item.amount): >12}"
s += "\n\r" + "=" * 42
return s