check_opening_shift (shifts.py)

Retrieves all open POS opening shift vouchers for a specified user, aggregating payment entries and invoice data for each shift.

import frappe
import math
from frappe.utils import today, formatdate, flt, datetime
import calendar
from retail.retail.api.payment_utils import get_shift_payments_entries, get_shift_unallocated_payments, get_shift_invoice_payments, get_shift_pos_invoices

@frappe.whitelist()
def check_opening_shift(user):
    open_vouchers = frappe.db.get_all(
        "POS Opening Shift",
        filters={
            "user": user,
            "docstatus": 1,
            "status": "Open",
        },
        fields=["name", "pos_profile"],
        order_by="period_start_date desc",
    )

    if not open_vouchers:
        return {"count": 0, "shifts": []}

    shifts = []
    for voucher in open_vouchers:
        data = {}
        data["pos_opening_shift"] = frappe.get_doc(
            "POS Opening Shift", 

... (truncated -- full source via MCP)