From 8e01c8aefb49fc7fcbfb8067a601c7d001389541 Mon Sep 17 00:00:00 2001 From: Deepesh Garg <42651287+deepeshgarg007@users.noreply.github.com> Date: Mon, 12 Apr 2021 10:55:43 +0530 Subject: [PATCH] fix: GST on freight charge in e-invoicing --- erpnext/hooks.py | 3 +- erpnext/patches.txt | 3 +- .../v12_0/create_taxable_value_field.py | 18 +++++++ erpnext/regional/india/e_invoice/utils.py | 45 ++++++++++++++---- erpnext/regional/india/setup.py | 5 +- erpnext/regional/india/utils.py | 47 ++++++++++++++++++- 6 files changed, 108 insertions(+), 13 deletions(-) create mode 100644 erpnext/patches/v12_0/create_taxable_value_field.py diff --git a/erpnext/hooks.py b/erpnext/hooks.py index 0401be47b2f..014f6b6553f 100644 --- a/erpnext/hooks.py +++ b/erpnext/hooks.py @@ -255,7 +255,8 @@ doc_events = { "erpnext.regional.italy.utils.sales_invoice_on_cancel", "erpnext.erpnext_integrations.taxjar_integration.delete_transaction" ], - "on_trash": "erpnext.regional.check_deletion_permission" + "on_trash": "erpnext.regional.check_deletion_permission", + "validate": ["erpnext.regional.india.utils.update_taxable_values"] }, "Purchase Invoice": { "validate": [ diff --git a/erpnext/patches.txt b/erpnext/patches.txt index 20ea5097bfb..940771b98b0 100644 --- a/erpnext/patches.txt +++ b/erpnext/patches.txt @@ -754,4 +754,5 @@ erpnext.patches.v13_0.item_reposting_for_incorrect_sl_and_gl erpnext.patches.v12_0.add_state_code_for_ladakh erpnext.patches.v13_0.update_vehicle_no_reqd_condition erpnext.patches.v13_0.setup_fields_for_80g_certificate_and_donation -erpnext.patches.v13_0.rename_membership_settings_to_non_profit_settings \ No newline at end of file +erpnext.patches.v13_0.rename_membership_settings_to_non_profit_settings +erpnext.patches.v12_0.create_taxable_value_field diff --git a/erpnext/patches/v12_0/create_taxable_value_field.py b/erpnext/patches/v12_0/create_taxable_value_field.py new file mode 100644 index 00000000000..a0c9fcf4cbe --- /dev/null +++ b/erpnext/patches/v12_0/create_taxable_value_field.py @@ -0,0 +1,18 @@ +from __future__ import unicode_literals +import frappe +from frappe.custom.doctype.custom_field.custom_field import create_custom_fields + +def execute(): + company = frappe.get_all('Company', filters = {'country': 'India'}) + if not company: + return + + custom_fields = { + 'Sales Invoice Item': [ + dict(fieldname='taxable_value', label='Taxable Value', + fieldtype='Currency', insert_after='base_net_amount', hidden=1, options="Company:company:default_currency", + print_hide=1) + ] + } + + create_custom_fields(custom_fields, update=True) \ No newline at end of file diff --git a/erpnext/regional/india/e_invoice/utils.py b/erpnext/regional/india/e_invoice/utils.py index 508033dd96b..6c81fd8afe4 100644 --- a/erpnext/regional/india/e_invoice/utils.py +++ b/erpnext/regional/india/e_invoice/utils.py @@ -167,10 +167,15 @@ def get_item_list(invoice): item.description = json.dumps(d.item_name)[1:-1] item.qty = abs(item.qty) - item.discount_amount = 0 - item.unit_rate = abs(item.base_net_amount / item.qty) - item.gross_amount = abs(item.base_net_amount) - item.taxable_value = abs(item.base_net_amount) + + if invoice.apply_discount_on == 'Net Total' and invoice.discount_amount: + item.discount_amount = abs(item.base_amount - item.base_net_amount) + else: + item.discount_amount = 0 + + item.unit_rate = abs((abs(item.taxable_value) - item.discount_amount)/ item.qty) + item.gross_amount = abs(item.taxable_value) + item.discount_amount + item.taxable_value = abs(item.taxable_value) item.batch_expiry_date = frappe.db.get_value('Batch', d.batch_no, 'expiry_date') if d.batch_no else None item.batch_expiry_date = format_date(item.batch_expiry_date, 'dd/mm/yyyy') if item.batch_expiry_date else None @@ -205,7 +210,7 @@ def update_item_taxes(invoice, item): if t.account_head in gst_accounts_list: item_tax_rate = item_tax_detail[0] # item tax amount excluding discount amount - item_tax_amount = (item_tax_rate / 100) * item.base_net_amount + item_tax_amount = (item_tax_rate / 100) * item.taxable_value if t.account_head in gst_accounts.cess_account: item_tax_amount_after_discount = item_tax_detail[1] @@ -226,10 +231,14 @@ def get_invoice_value_details(invoice): invoice_value_details = frappe._dict(dict()) if invoice.apply_discount_on == 'Net Total' and invoice.discount_amount: - invoice_value_details.base_total = abs(invoice.base_total) + # Discount already applied on net total which means on items + invoice_value_details.base_total = abs(sum([i.taxable_value for i in invoice.get('items')])) + invoice_value_details.invoice_discount_amt = 0 + elif invoice.apply_discount_on == 'Grand Total' and invoice.discount_amount: invoice_value_details.invoice_discount_amt = invoice.base_discount_amount + invoice_value_details.base_total = abs(sum([i.taxable_value for i in invoice.get('items')])) else: - invoice_value_details.base_total = abs(invoice.base_net_total) + invoice_value_details.base_total = abs(sum([i.taxable_value for i in invoice.get('items')])) # since tax already considers discount amount invoice_value_details.invoice_discount_amt = 0 @@ -250,7 +259,11 @@ def update_invoice_taxes(invoice, invoice_value_details): invoice_value_details.total_igst_amt = 0 invoice_value_details.total_cess_amt = 0 invoice_value_details.total_other_charges = 0 + considered_rows = [] + for t in invoice.taxes: + tax_amount = t.base_tax_amount if (invoice.apply_discount_on == 'Grand Total' and invoice.discount_amount) \ + else t.base_tax_amount_after_discount_amount if t.account_head in gst_accounts_list: if t.account_head in gst_accounts.cess_account: # using after discount amt since item also uses after discount amt for cess calc @@ -258,12 +271,26 @@ def update_invoice_taxes(invoice, invoice_value_details): for tax_type in ['igst', 'cgst', 'sgst']: if t.account_head in gst_accounts[f'{tax_type}_account']: - invoice_value_details[f'total_{tax_type}_amt'] += abs(t.base_tax_amount_after_discount_amount) + invoice_value_details[f'total_{tax_type}_amt'] += abs(tax_amount) + + update_other_charges(t, invoice_value_details, gst_accounts_list, invoice, considered_rows) else: - invoice_value_details.total_other_charges += abs(t.base_tax_amount_after_discount_amount) + invoice_value_details.total_other_charges += abs(tax_amount) return invoice_value_details +def update_other_charges(tax_row, invoice_value_details, gst_accounts_list, invoice, considered_rows): + prev_row_id = cint(tax_row.row_id) - 1 + if tax_row.account_head in gst_accounts_list and prev_row_id not in considered_rows: + if tax_row.charge_type == 'On Previous Row Amount': + amount = invoice.get('taxes')[prev_row_id].tax_amount_after_discount_amount + invoice_value_details.total_other_charges -= abs(amount) + considered_rows.append(prev_row_id) + if tax_row.charge_type == 'On Previous Row Total': + amount = invoice.get('taxes')[prev_row_id].base_total - invoice.base_net_total + invoice_value_details.total_other_charges -= abs(amount) + considered_rows.append(prev_row_id) + def get_payment_details(invoice): payee_name = invoice.company mode_of_payment = ', '.join([d.mode_of_payment for d in invoice.payments]) diff --git a/erpnext/regional/india/setup.py b/erpnext/regional/india/setup.py index 40247f7e3d5..dd883b457f3 100644 --- a/erpnext/regional/india/setup.py +++ b/erpnext/regional/india/setup.py @@ -118,6 +118,9 @@ def make_custom_fields(update=True): is_non_gst = dict(fieldname='is_non_gst', label='Is Non GST', fieldtype='Check', fetch_from='item_code.is_non_gst', insert_after='is_nil_exempt', print_hide=1) + taxable_value = dict(fieldname='taxable_value', label='Taxable Value', + fieldtype='Currency', insert_after='base_net_amount', hidden=1, options="Company:company:default_currency", + print_hide=1) purchase_invoice_gst_category = [ dict(fieldname='gst_section', label='GST Details', fieldtype='Section Break', @@ -444,7 +447,7 @@ def make_custom_fields(update=True): 'Supplier Quotation Item': [hsn_sac_field, nil_rated_exempt, is_non_gst], 'Sales Order Item': [hsn_sac_field, nil_rated_exempt, is_non_gst], 'Delivery Note Item': [hsn_sac_field, nil_rated_exempt, is_non_gst], - 'Sales Invoice Item': [hsn_sac_field, nil_rated_exempt, is_non_gst], + 'Sales Invoice Item': [hsn_sac_field, nil_rated_exempt, is_non_gst, taxable_value], 'Purchase Order Item': [hsn_sac_field, nil_rated_exempt, is_non_gst], 'Purchase Receipt Item': [hsn_sac_field, nil_rated_exempt, is_non_gst], 'Purchase Invoice Item': [hsn_sac_field, nil_rated_exempt, is_non_gst], diff --git a/erpnext/regional/india/utils.py b/erpnext/regional/india/utils.py index 3757f6384f5..5674382e542 100644 --- a/erpnext/regional/india/utils.py +++ b/erpnext/regional/india/utils.py @@ -2,7 +2,7 @@ from __future__ import unicode_literals import frappe, re, json from frappe import _ import erpnext -from frappe.utils import cstr, flt, date_diff, nowdate, round_based_on_smallest_currency_fraction, money_in_words +from frappe.utils import cstr, flt, cint, date_diff, nowdate, round_based_on_smallest_currency_fraction, money_in_words, getdate from erpnext.regional.india import states, state_numbers from erpnext.controllers.taxes_and_totals import get_itemised_tax, get_itemised_taxable_amount from erpnext.controllers.accounts_controller import get_taxes_and_charges @@ -803,3 +803,48 @@ def get_regional_round_off_accounts(company, account_list): account_list.extend(gst_account_list) return account_list + +def update_taxable_values(doc, method): + country = frappe.get_cached_value('Company', doc.company, 'country') + + if country != 'India': + return + + gst_accounts = get_gst_accounts(doc.company) + + # Only considering sgst account to avoid inflating taxable value + gst_account_list = gst_accounts.get('sgst_account', []) + gst_accounts.get('sgst_account', []) \ + + gst_accounts.get('igst_account', []) + + additional_taxes = 0 + total_charges = 0 + item_count = 0 + considered_rows = [] + + for tax in doc.get('taxes'): + prev_row_id = cint(tax.row_id) - 1 + if tax.account_head in gst_account_list and prev_row_id not in considered_rows: + if tax.charge_type == 'On Previous Row Amount': + additional_taxes += doc.get('taxes')[prev_row_id].tax_amount_after_discount_amount + considered_rows.append(prev_row_id) + if tax.charge_type == 'On Previous Row Total': + additional_taxes += doc.get('taxes')[prev_row_id].base_total - doc.base_net_total + considered_rows.append(prev_row_id) + + for item in doc.get('items'): + if doc.apply_discount_on == 'Grand Total' and doc.discount_amount: + proportionate_value = item.base_amount if doc.base_total else item.qty + total_value = doc.base_total if doc.base_total else doc.total_qty + else: + proportionate_value = item.base_net_amount if doc.base_net_total else item.qty + total_value = doc.base_net_total if doc.base_net_total else doc.total_qty + + applicable_charges = flt(flt(proportionate_value * (flt(additional_taxes) / flt(total_value)), + item.precision('taxable_value'))) + item.taxable_value = applicable_charges + proportionate_value + total_charges += applicable_charges + item_count += 1 + + if total_charges != additional_taxes: + diff = additional_taxes - total_charges + doc.get('items')[item_count - 1].taxable_value += diff