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Merge pull request #38074 from frappe/mergify/bp/version-14-hotfix/pr…
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…-37859

fix: `split_invoices_based_on_payment_terms` (#37859)
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@deepeshgarg007
deepeshgarg007 authored Nov 26, 2023
2 parents 9cf8955 + 1e7dfd3 commit b0547b5
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Showing 2 changed files with 118 additions and 63 deletions.
136 changes: 74 additions & 62 deletions erpnext/accounts/doctype/payment_entry/payment_entry.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1552,13 +1552,42 @@ def get_outstanding_reference_documents(args):
return data


def split_invoices_based_on_payment_terms(outstanding_invoices, company):
invoice_ref_based_on_payment_terms = {}
def split_invoices_based_on_payment_terms(outstanding_invoices, company) -> list:
"""Split a list of invoices based on their payment terms."""
exc_rates = get_currency_data(outstanding_invoices, company)

outstanding_invoices_after_split = []
for entry in outstanding_invoices:
if entry.voucher_type in ["Sales Invoice", "Purchase Invoice"]:
if payment_term_template := frappe.db.get_value(
entry.voucher_type, entry.voucher_no, "payment_terms_template"
):
split_rows = get_split_invoice_rows(entry, payment_term_template, exc_rates)
if not split_rows:
continue

frappe.msgprint(
_("Splitting {0} {1} into {2} rows as per Payment Terms").format(
_(entry.voucher_type), frappe.bold(entry.voucher_no), len(split_rows)
),
alert=True,
)
outstanding_invoices_after_split += split_rows
continue

# If not an invoice or no payment terms template, add as it is
outstanding_invoices_after_split.append(entry)

return outstanding_invoices_after_split


def get_currency_data(outstanding_invoices: list, company: str = None) -> dict:
"""Get currency and conversion data for a list of invoices."""
exc_rates = frappe._dict()
company_currency = (
frappe.db.get_value("Company", company, "default_currency") if company else None
)
exc_rates = frappe._dict()

for doctype in ["Sales Invoice", "Purchase Invoice"]:
invoices = [x.voucher_no for x in outstanding_invoices if x.voucher_type == doctype]
for x in frappe.db.get_all(
Expand All @@ -1573,71 +1602,54 @@ def split_invoices_based_on_payment_terms(outstanding_invoices, company):
company_currency=company_currency,
)

for idx, d in enumerate(outstanding_invoices):
if d.voucher_type in ["Sales Invoice", "Purchase Invoice"]:
payment_term_template = frappe.db.get_value(
d.voucher_type, d.voucher_no, "payment_terms_template"
)
if payment_term_template:
allocate_payment_based_on_payment_terms = frappe.db.get_value(
"Payment Terms Template", payment_term_template, "allocate_payment_based_on_payment_terms"
)
if allocate_payment_based_on_payment_terms:
payment_schedule = frappe.get_all(
"Payment Schedule", filters={"parent": d.voucher_no}, fields=["*"]
)
return exc_rates

for payment_term in payment_schedule:
if payment_term.outstanding > 0.1:
doc_details = exc_rates.get(payment_term.parent, None)
is_multi_currency_acc = (doc_details.currency != doc_details.company_currency) and (
doc_details.party_account_currency != doc_details.company_currency
)
payment_term_outstanding = flt(payment_term.outstanding)
if not is_multi_currency_acc:
payment_term_outstanding = doc_details.conversion_rate * flt(payment_term.outstanding)

invoice_ref_based_on_payment_terms.setdefault(idx, [])
invoice_ref_based_on_payment_terms[idx].append(
frappe._dict(
{
"due_date": d.due_date,
"currency": d.currency,
"voucher_no": d.voucher_no,
"voucher_type": d.voucher_type,
"posting_date": d.posting_date,
"invoice_amount": flt(d.invoice_amount),
"outstanding_amount": payment_term_outstanding
if payment_term_outstanding
else d.outstanding_amount,
"payment_term_outstanding": payment_term_outstanding,
"payment_amount": payment_term.payment_amount,
"payment_term": payment_term.payment_term,
}
)
)

outstanding_invoices_after_split = []
if invoice_ref_based_on_payment_terms:
for idx, ref in invoice_ref_based_on_payment_terms.items():
voucher_no = ref[0]["voucher_no"]
voucher_type = ref[0]["voucher_type"]
def get_split_invoice_rows(invoice: dict, payment_term_template: str, exc_rates: dict) -> list:
"""Split invoice based on its payment schedule table."""
split_rows = []
allocate_payment_based_on_payment_terms = frappe.db.get_value(
"Payment Terms Template", payment_term_template, "allocate_payment_based_on_payment_terms"
)

frappe.msgprint(
_("Spliting {} {} into {} row(s) as per Payment Terms").format(
voucher_type, voucher_no, len(ref)
),
alert=True,
)
if not allocate_payment_based_on_payment_terms:
return [invoice]

outstanding_invoices_after_split += invoice_ref_based_on_payment_terms[idx]
payment_schedule = frappe.get_all(
"Payment Schedule", filters={"parent": invoice.voucher_no}, fields=["*"], order_by="due_date"
)
for payment_term in payment_schedule:
if not payment_term.outstanding > 0.1:
continue

existing_row = list(filter(lambda x: x.get("voucher_no") == voucher_no, outstanding_invoices))
index = outstanding_invoices.index(existing_row[0])
outstanding_invoices.pop(index)
doc_details = exc_rates.get(payment_term.parent, None)
is_multi_currency_acc = (doc_details.currency != doc_details.company_currency) and (
doc_details.party_account_currency != doc_details.company_currency
)
payment_term_outstanding = flt(payment_term.outstanding)
if not is_multi_currency_acc:
payment_term_outstanding = doc_details.conversion_rate * flt(payment_term.outstanding)

outstanding_invoices_after_split += outstanding_invoices
return outstanding_invoices_after_split
split_rows.append(
frappe._dict(
{
"due_date": invoice.due_date,
"currency": invoice.currency,
"voucher_no": invoice.voucher_no,
"voucher_type": invoice.voucher_type,
"posting_date": invoice.posting_date,
"invoice_amount": flt(invoice.invoice_amount),
"outstanding_amount": payment_term_outstanding
if payment_term_outstanding
else invoice.outstanding_amount,
"payment_term_outstanding": payment_term_outstanding,
"payment_amount": payment_term.payment_amount,
"payment_term": payment_term.payment_term,
}
)
)

return split_rows


def get_orders_to_be_billed(
Expand Down
45 changes: 44 additions & 1 deletion erpnext/accounts/doctype/payment_entry/test_payment_entry.py
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Original file line number Diff line number Diff line change
Expand Up @@ -7,10 +7,11 @@
import frappe
from frappe import qb
from frappe.tests.utils import FrappeTestCase, change_settings
from frappe.utils import flt, nowdate
from frappe.utils import add_days, flt, nowdate

from erpnext.accounts.doctype.payment_entry.payment_entry import (
InvalidPaymentEntry,
get_outstanding_reference_documents,
get_payment_entry,
get_reference_details,
)
Expand Down Expand Up @@ -1221,6 +1222,45 @@ def test_allocation_validation_for_sales_order(self):
so.reload()
self.assertEqual(so.advance_paid, so.rounded_total)

def test_outstanding_invoices_api(self):
"""
Test if `get_outstanding_reference_documents` fetches invoices in the right order.
"""
customer = create_customer("Max Mustermann", "INR")
create_payment_terms_template()

# SI has an earlier due date and SI2 has a later due date
si = create_sales_invoice(
qty=1, rate=100, customer=customer, posting_date=add_days(nowdate(), -4)
)
si2 = create_sales_invoice(do_not_save=1, qty=1, rate=100, customer=customer)
si2.payment_terms_template = "Test Receivable Template"
si2.submit()

args = {
"posting_date": nowdate(),
"company": "_Test Company",
"party_type": "Customer",
"payment_type": "Pay",
"party": customer,
"party_account": "Debtors - _TC",
}
args.update(
{
"get_outstanding_invoices": True,
"from_posting_date": add_days(nowdate(), -4),
"to_posting_date": add_days(nowdate(), 2),
}
)
references = get_outstanding_reference_documents(args)

self.assertEqual(len(references), 3)
self.assertEqual(references[0].voucher_no, si.name)
self.assertEqual(references[1].voucher_no, si2.name)
self.assertEqual(references[2].voucher_no, si2.name)
self.assertEqual(references[1].payment_term, "Basic Amount Receivable")
self.assertEqual(references[2].payment_term, "Tax Receivable")

def test_partial_cancel_for_payment_entry(self):
si = create_sales_invoice()

Expand Down Expand Up @@ -1351,6 +1391,9 @@ def create_payment_terms_template():
def create_payment_terms_template_with_discount(
name=None, discount_type=None, discount=None, template_name=None
):
"""
Create a Payment Terms Template with % or amount discount.
"""
create_payment_term(name or "30 Credit Days with 10% Discount")
template_name = template_name or "Test Discount Template"

Expand Down

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