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fix: specify precision for net_amount (#39481)

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* fix: specify precision for net_amount

* fix: correct existing test to account for precision

* fix: rounding issue in test cases

* fix: optional grand total manipulation

* fix: use `grand_total_diff` for manipulation

* fix: patch to set default for grand total manipulation

* fix: wrong rounding assertion for USD

* fix: undefined this.frm error

* chore: linters

* fix: `net_amount` percision and method rename

* fix: missing frm reference

* chore: minor cleanups and depr message

* refactor: remove optional adjusting of grand total
This commit is contained in:
Dany Robert
2024-01-29 09:32:44 +05:30
committed by GitHub
parent 16404110a8
commit 50d56db0c2
7 changed files with 82 additions and 51 deletions
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25
erpnext/controllers/taxes_and_totals.py
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@@ -8,6 +8,7 @@ import frappe
from frappe import _, scrub
from frappe.model.document import Document
from frappe.utils import cint, flt, round_based_on_smallest_currency_fraction
from frappe.utils.deprecations import deprecated
import erpnext
from erpnext.accounts.doctype.journal_entry.journal_entry import get_exchange_rate
@@ -74,7 +75,7 @@ class calculate_taxes_and_totals(object):
self.calculate_net_total()
self.calculate_tax_withholding_net_total()
self.calculate_taxes()
self.manipulate_grand_total_for_inclusive_tax()
self.adjust_grand_total_for_inclusive_tax()
self.calculate_totals()
self._cleanup()
self.calculate_total_net_weight()
@@ -279,7 +280,7 @@ class calculate_taxes_and_totals(object):
):
amount = flt(item.amount) - total_inclusive_tax_amount_per_qty
item.net_amount = flt(amount / (1 + cumulated_tax_fraction))
item.net_amount = flt(amount / (1 + cumulated_tax_fraction), item.precision("net_amount"))
item.net_rate = flt(item.net_amount / item.qty, item.precision("net_rate"))
item.discount_percentage = flt(item.discount_percentage, item.precision("discount_percentage"))
@@ -516,7 +517,12 @@ class calculate_taxes_and_totals(object):
tax.base_tax_amount = round(tax.base_tax_amount, 0)
tax.base_tax_amount_after_discount_amount = round(tax.base_tax_amount_after_discount_amount, 0)
@deprecated
def manipulate_grand_total_for_inclusive_tax(self):
# for backward compatablility - if in case used by an external application
return self.adjust_grand_total_for_inclusive_tax()
def adjust_grand_total_for_inclusive_tax(self):
# if fully inclusive taxes and diff
if self.doc.get("taxes") and any(cint(t.included_in_print_rate) for t in self.doc.get("taxes")):
last_tax = self.doc.get("taxes")[-1]
@@ -538,17 +544,21 @@ class calculate_taxes_and_totals(object):
diff = flt(diff, self.doc.precision("rounding_adjustment"))
if diff and abs(diff) <= (5.0 / 10 ** last_tax.precision("tax_amount")):
self.doc.rounding_adjustment = diff
self.doc.grand_total_diff = diff
else:
self.doc.grand_total_diff = 0
def calculate_totals(self):
if self.doc.get("taxes"):
self.doc.grand_total = flt(self.doc.get("taxes")[-1].total) + flt(self.doc.rounding_adjustment)
self.doc.grand_total = flt(self.doc.get("taxes")[-1].total) + flt(
self.doc.get("grand_total_diff")
)
else:
self.doc.grand_total = flt(self.doc.net_total)
if self.doc.get("taxes"):
self.doc.total_taxes_and_charges = flt(
self.doc.grand_total - self.doc.net_total - flt(self.doc.rounding_adjustment),
self.doc.grand_total - self.doc.net_total - flt(self.doc.get("grand_total_diff")),
self.doc.precision("total_taxes_and_charges"),
)
else:
@@ -613,8 +623,8 @@ class calculate_taxes_and_totals(object):
self.doc.grand_total, self.doc.currency, self.doc.precision("rounded_total")
)
# if print_in_rate is set, we would have already calculated rounding adjustment
self.doc.rounding_adjustment += flt(
# rounding adjustment should always be the difference vetween grand and rounded total
self.doc.rounding_adjustment = flt(
self.doc.rounded_total - self.doc.grand_total, self.doc.precision("rounding_adjustment")
)
@@ -832,7 +842,6 @@ class calculate_taxes_and_totals(object):
self.calculate_paid_amount()
def calculate_paid_amount(self):
paid_amount = base_paid_amount = 0.0
if self.doc.is_pos: