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Merge pull request #16016 from rohitwaghchaure/fixed_tax_withholding_issue

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[Fix] Tax Withholding, TDS is applying on the tax
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rohitwaghchaure 2018-12-25 14:49:05 +05:30 committed by GitHub
commit 136c4c4820
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3 changed files with 201 additions and 78 deletions
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10
erpnext/accounts/doctype/purchase_invoice/purchase_invoice.py
View File

@ -830,6 +830,10 @@ class PurchaseInvoice(BuyingController):
return
tax_withholding_details = get_party_tax_withholding_details(self)
if not tax_withholding_details:
return
accounts = []
for d in self.taxes:
if d.account_head == tax_withholding_details.get("account_head"):
@ -839,6 +843,12 @@ class PurchaseInvoice(BuyingController):
if not accounts or tax_withholding_details.get("account_head") not in accounts:
self.append("taxes", tax_withholding_details)
to_remove = [d for d in self.taxes
if not d.tax_amount and d.account_head == tax_withholding_details.get("account_head")]
for d in to_remove:
self.remove(d)
# calculate totals again after applying TDS
self.calculate_taxes_and_totals()

79
erpnext/accounts/doctype/tax_withholding_category/tax_withholding_category.py
View File

@ -24,6 +24,7 @@ def get_party_tax_withholding_details(ref_doc):
.format(tax_withholding_category, ref_doc.company))
tds_amount = get_tds_amount(ref_doc, tax_details, fy)
tax_row = get_tax_row(tax_details, tds_amount)
return tax_row
def get_tax_withholding_details(tax_withholding_category, fiscal_year, company):
@ -62,46 +63,64 @@ def get_tax_row(tax_details, tds_amount):
def get_tds_amount(ref_doc, tax_details, fiscal_year_details):
fiscal_year, year_start_date, year_end_date = fiscal_year_details
tds_amount = 0
tds_deducted = 0
def _get_tds():
tds_amount = 0
if not tax_details.threshold or ref_doc.net_total >= tax_details.threshold:
tds_amount = ref_doc.net_total * tax_details.rate / 100
return tds_amount
def _get_tds(amount):
if amount <= 0:
return 0
if tax_details.cumulative_threshold:
entries = frappe.db.sql("""
return amount * tax_details.rate / 100
entries = frappe.db.sql("""
select voucher_no, credit
from `tabGL Entry`
where party=%s and fiscal_year=%s and credit > 0
""", (ref_doc.supplier, fiscal_year), as_dict=1)
supplier_credit_amount = flt(sum([d.credit for d in entries]))
vouchers = [d.voucher_no for d in entries]
advance_vouchers = get_advance_vouchers(ref_doc.supplier, fiscal_year)
vouchers = [d.voucher_no for d in entries]
vouchers += get_advance_vouchers(ref_doc.supplier, fiscal_year)
tds_vouchers = vouchers + advance_vouchers
tds_deducted = 0
if vouchers:
tds_deducted = flt(frappe.db.sql("""
select sum(credit)
from `tabGL Entry`
where account=%s and fiscal_year=%s and credit > 0
and voucher_no in ({0})
""".format(', '.join(["'%s'" % d for d in vouchers])),
(tax_details.account_head, fiscal_year))[0][0])
if tds_vouchers:
tds_deducted = frappe.db.sql("""
SELECT sum(credit) FROM `tabGL Entry`
WHERE
account=%s and fiscal_year=%s and credit > 0
and voucher_no in ({0})""". format(','.join(['%s'] * len(tds_vouchers))),
((tax_details.account_head, fiscal_year) + tuple(tds_vouchers)))
tds_deducted = tds_deducted[0][0] if tds_deducted and tds_deducted[0][0] else 0
if tds_deducted:
tds_amount = _get_tds(ref_doc.net_total)
else:
supplier_credit_amount = frappe.get_all('Purchase Invoice Item',
fields = ['sum(net_amount)'],
filters = {'parent': ('in', vouchers), 'docstatus': 1}, as_list=1)
supplier_credit_amount = (supplier_credit_amount[0][0]
if supplier_credit_amount and supplier_credit_amount[0][0] else 0)
jv_supplier_credit_amt = frappe.get_all('Journal Entry Account',
fields = ['sum(credit_in_account_currency)'],
filters = {
'parent': ('in', vouchers), 'docstatus': 1,
'party': ref_doc.supplier,
'reference_type': ('not in', ['Purchase Invoice'])
}, as_list=1)
supplier_credit_amount += (jv_supplier_credit_amt[0][0]
if jv_supplier_credit_amt and jv_supplier_credit_amt[0][0] else 0)
supplier_credit_amount += ref_doc.net_total
debit_note_amount = get_debit_note_amount(ref_doc.supplier, year_start_date, year_end_date)
supplier_credit_amount -= debit_note_amount
total_invoiced_amount = supplier_credit_amount + tds_deducted \
+ flt(ref_doc.net_total) - debit_note_amount
if total_invoiced_amount >= tax_details.cumulative_threshold:
total_applicable_tds = total_invoiced_amount * tax_details.rate / 100
tds_amount = min(total_applicable_tds - tds_deducted, ref_doc.net_total)
else:
tds_amount = _get_tds()
else:
tds_amount = _get_tds()
if ((tax_details.get('threshold', 0) and supplier_credit_amount >= tax_details.threshold)
or (tax_details.get('cumulative_threshold', 0) and supplier_credit_amount >= tax_details.cumulative_threshold)):
tds_amount = _get_tds(supplier_credit_amount)
return tds_amount
@ -114,7 +133,7 @@ def get_advance_vouchers(supplier, fiscal_year=None, company=None, from_date=Non
select distinct voucher_no
from `tabGL Entry`
where party=%s and %s and debit > 0
""", (supplier, condition))
""", (supplier, condition)) or []
def get_debit_note_amount(supplier, year_start_date, year_end_date, company=None):
condition = ""
@ -126,4 +145,4 @@ def get_debit_note_amount(supplier, year_start_date, year_end_date, company=None
from `tabPurchase Invoice`
where supplier=%s %s and is_return=1 and docstatus=1
and posting_date between %s and %s
""", (supplier, condition, year_start_date, year_end_date)))
""", (supplier, condition, year_start_date, year_end_date)))

190
erpnext/accounts/doctype/tax_withholding_category/test_tax_withholding_category.py
View File

@ -6,6 +6,7 @@ from __future__ import unicode_literals
import frappe
import unittest
from frappe.utils import today
from erpnext.accounts.utils import get_fiscal_year
test_dependencies = ["Supplier Group"]
@ -14,65 +15,105 @@ class TestTaxWithholdingCategory(unittest.TestCase):
def setUpClass(self):
# create relevant supplier, etc
create_records()
create_tax_with_holding_category()
def test_single_threshold_tds(self):
frappe.db.set_value("Supplier", "Test TDS Supplier", "tax_withholding_category", "TDS - 194D - Individual")
pi = create_purchase_invoice()
def test_cumulative_threshold_tds(self):
frappe.db.set_value("Supplier", "Test TDS Supplier", "tax_withholding_category", "Cumulative Threshold TDS")
invoices = []
# create invoices for lower than single threshold tax rate
for _ in xrange(2):
pi = create_purchase_invoice(supplier = "Test TDS Supplier")
pi.submit()
invoices.append(pi)
# create another invoice whose total when added to previously created invoice,
# surpasses cumulative threshhold
pi = create_purchase_invoice(supplier = "Test TDS Supplier")
pi.submit()
self.assertEqual(pi.taxes_and_charges_deducted, 800)
self.assertEqual(pi.grand_total, 15200)
# assert equal tax deduction on total invoice amount uptil now
self.assertEqual(pi.taxes_and_charges_deducted, 3000)
self.assertEqual(pi.grand_total, 7000)
invoices.append(pi)
# TDS is already deducted, so from onward system will deduct the TDS on every invoice
pi = create_purchase_invoice(supplier = "Test TDS Supplier", rate=5000)
pi.submit()
# assert equal tax deduction on total invoice amount uptil now
self.assertEqual(pi.taxes_and_charges_deducted, 500)
invoices.append(pi)
#delete invoices to avoid clashing
for d in invoices:
d.cancel()
frappe.delete_doc("Purchase Invoice", d.name)
def test_single_threshold_tds(self):
invoices = []
frappe.db.set_value("Supplier", "Test TDS Supplier1", "tax_withholding_category", "Single Threshold TDS")
pi = create_purchase_invoice(supplier = "Test TDS Supplier1", rate = 20000)
pi.submit()
invoices.append(pi)
self.assertEqual(pi.taxes_and_charges_deducted, 2000)
self.assertEqual(pi.grand_total, 18000)
# check gl entry for the purchase invoice
gl_entries = frappe.db.get_all('GL Entry', filters={'voucher_no': pi.name}, fields=["*"])
self.assertEqual(len(gl_entries), 3)
for d in gl_entries:
if d.account == pi.credit_to:
self.assertEqual(d.credit, 15200)
self.assertEqual(d.credit, 18000)
elif d.account == pi.items[0].get("expense_account"):
self.assertEqual(d.debit, 16000)
self.assertEqual(d.debit, 20000)
elif d.account == pi.taxes[0].get("account_head"):
self.assertEqual(d.credit, 800)
self.assertEqual(d.credit, 2000)
else:
raise ValueError("Account head does not match.")
# delete purchase invoice to avoid it interefering in other tests
pi.cancel()
frappe.delete_doc('Purchase Invoice', pi.name)
def test_cumulative_threshold_tds(self):
frappe.db.set_value("Supplier", "Test TDS Supplier", "tax_withholding_category", "TDS - 194C - Individual")
invoices = []
# create invoices for lower than single threshold tax rate
for _ in xrange(6):
pi = create_purchase_invoice()
pi.submit()
invoices.append(pi)
# create another invoice whose total when added to previously created invoice,
# surpasses cumulative threshhold
pi = create_purchase_invoice()
pi = create_purchase_invoice(supplier = "Test TDS Supplier1")
pi.submit()
# assert equal tax deduction on total invoice amount uptil now
self.assertEqual(pi.taxes_and_charges_deducted, 1120)
self.assertEqual(pi.grand_total, 14880)
invoices.append(pi)
# TDS amount is 1000 because in previous invoices it's already deducted
self.assertEqual(pi.taxes_and_charges_deducted, 1000)
# delete invoices to avoid clashing
for d in invoices:
d.cancel()
frappe.delete_doc("Purchase Invoice", d.name)
def create_purchase_invoice(qty=1):
def test_single_threshold_tds_with_previous_vouchers(self):
invoices = []
frappe.db.set_value("Supplier", "Test TDS Supplier2", "tax_withholding_category", "Single Threshold TDS")
pi = create_purchase_invoice(supplier="Test TDS Supplier2")
pi.submit()
invoices.append(pi)
pi = create_purchase_invoice(supplier="Test TDS Supplier2")
pi.submit()
invoices.append(pi)
self.assertEqual(pi.taxes_and_charges_deducted, 2000)
self.assertEqual(pi.grand_total, 8000)
# delete invoices to avoid clashing
for d in invoices:
d.cancel()
frappe.delete_doc("Purchase Invoice", d.name)
def create_purchase_invoice(**args):
# return sales invoice doc object
item = frappe.get_doc('Item', {'item_name': 'TDS Item'})
args = frappe._dict(args)
pi = frappe.get_doc({
"doctype": "Purchase Invoice",
"posting_date": today(),
"apply_tds": 1,
"supplier": frappe.get_doc('Supplier', {"supplier_name": "Test TDS Supplier"}).name,
"supplier": args.supplier,
"company": '_Test Company',
"taxes_and_charges": "",
"currency": "INR",
@ -81,8 +122,8 @@ def create_purchase_invoice(qty=1):
"items": [{
'doctype': 'Purchase Invoice Item',
'item_code': item.name,
'qty': qty,
'rate': 16000,
'qty': args.qty or 1,
'rate': args.rate or 10000,
'cost_center': 'Main - _TC',
'expense_account': 'Stock Received But Not Billed - _TC'
}]
@ -92,20 +133,73 @@ def create_purchase_invoice(qty=1):
return pi
def create_records():
# create a new supplier
frappe.get_doc({
"supplier_group": "_Test Supplier Group",
"supplier_name": "Test TDS Supplier",
"doctype": "Supplier",
"tax_withholding_category": "TDS - 194D - Individual"
}).insert()
# create a new suppliers
for name in ['Test TDS Supplier', 'Test TDS Supplier1', 'Test TDS Supplier2']:
if frappe.db.exists('Supplier', name):
continue
frappe.get_doc({
"supplier_group": "_Test Supplier Group",
"supplier_name": name,
"doctype": "Supplier",
}).insert()
# create an item
frappe.get_doc({
"doctype": "Item",
"item_code": "TDS Item",
"item_name": "TDS Item",
"item_group": "All Item Groups",
"company": "_Test Company",
"is_stock_item": 0,
}).insert()
if not frappe.db.exists('Item', "TDS Item"):
frappe.get_doc({
"doctype": "Item",
"item_code": "TDS Item",
"item_name": "TDS Item",
"item_group": "All Item Groups",
"is_stock_item": 0,
}).insert()
# create an account
if not frappe.db.exists("Account", "TDS - _TC"):
frappe.get_doc({
'doctype': 'Account',
'company': '_Test Company',
'account_name': 'TDS',
'parent_account': 'Tax Assets - _TC',
'report_type': 'Balance Sheet',
'root_type': 'Asset'
}).insert()
def create_tax_with_holding_category():
fiscal_year = get_fiscal_year(today(), company="_Test Company")[0]
# Cummulative thresold
if not frappe.db.exists("Tax Withholding Category", "Cumulative Threshold TDS"):
frappe.get_doc({
"doctype": "Tax Withholding Category",
"name": "Cumulative Threshold TDS",
"category_name": "10% TDS",
"rates": [{
'fiscal_year': fiscal_year,
'tax_withholding_rate': 10,
'single_threshold': 0,
'cumulative_threshold': 30000.00
}],
"accounts": [{
'company': '_Test Company',
'account': 'TDS - _TC'
}]
}).insert()
# Single thresold
if not frappe.db.exists("Tax Withholding Category", "Single Threshold TDS"):
frappe.get_doc({
"doctype": "Tax Withholding Category",
"name": "Single Threshold TDS",
"category_name": "10% TDS",
"rates": [{
'fiscal_year': fiscal_year,
'tax_withholding_rate': 10,
'single_threshold': 20000.00,
'cumulative_threshold': 0
}],
"accounts": [{
'company': '_Test Company',
'account': 'TDS - _TC'
}]
}).insert()