Merge pull request #24162 from deepeshgarg007/template_update_v12_pre

fix(India): Taxation fixes

erpnext/regional/india/taxes.js

@@ -9,6 +9,9 @@ erpnext.setup_auto_gst_taxation = (doctype) => {
 		tax_category: function(frm) {
 			frm.trigger('get_tax_template');
 		},
+		customer_address: function(frm) {
+			frm.trigger('get_tax_template');
+		},
 		get_tax_template: function(frm) {
 			if (!frm.doc.company) return;
 
@@ -16,6 +19,7 @@ erpnext.setup_auto_gst_taxation = (doctype) => {
 				'shipping_address': frm.doc.shipping_address || '',
 				'shipping_address_name': frm.doc.shipping_address_name || '',
 				'customer_address': frm.doc.customer_address || '',
+				'supplier_address': frm.doc.supplier_address,
 				'customer': frm.doc.customer,
 				'supplier': frm.doc.supplier,
 				'supplier_gstin': frm.doc.supplier_gstin,
@@ -28,12 +32,15 @@ erpnext.setup_auto_gst_taxation = (doctype) => {
 				args: {
 					party_details: JSON.stringify(party_details),
 					doctype: frm.doc.doctype,
-					company: frm.doc.company,
-					return_taxes: 1
+					company: frm.doc.company
 				},
 				callback: function(r) {
 					if(r.message) {
 						frm.set_value('taxes_and_charges', r.message.taxes_and_charges);
+						frm.set_value('place_of_supply', r.message.place_of_supply);
+					} else if (frm.doc.is_internal_supplier || frm.doc.is_internal_customer) {
+						frm.set_value('taxes_and_charges', '');
+						frm.set_value('taxes', []);
 					}
 				}
 			});

erpnext/regional/india/utils.py

@@ -12,6 +12,7 @@ from erpnext.regional.india import number_state_mapping
 from six import string_types
 from erpnext.accounts.general_ledger import make_gl_entries
 from erpnext.accounts.utils import get_account_currency
+from frappe.model.utils import get_fetch_values
 
 def validate_gstin_for_india(doc, method):
 	if hasattr(doc, 'gst_state') and doc.gst_state:
@@ -86,7 +87,7 @@ def validate_gstin_check_digit(gstin, label='GSTIN'):
 		factor = 2 if factor == 1 else 1
 	if gstin[-1] != code_point_chars[((mod - (total % mod)) % mod)]:
 		frappe.throw(_("""Invalid {0}! The check digit validation has failed.
-			Please ensure you've typed the {0} correctly.""".format(label)))
+			Please ensure you've typed the {0} correctly.""").format(label))
 
 def get_itemised_tax_breakup_header(item_doctype, tax_accounts):
 	if frappe.get_meta(item_doctype).has_field('gst_hsn_code'):
@@ -149,24 +150,31 @@ def get_place_of_supply(party_details, doctype):
 			return cstr(address.gst_state_number) + "-" + cstr(address.gst_state)
 
 @frappe.whitelist()
-def get_regional_address_details(party_details, doctype, company, return_taxes=None):
-
+def get_regional_address_details(party_details, doctype, company):
 	if isinstance(party_details, string_types):
 		party_details = json.loads(party_details)
 		party_details = frappe._dict(party_details)
 
+	update_party_details(party_details, doctype)
+
 	party_details.place_of_supply = get_place_of_supply(party_details, doctype)
+
+	if is_internal_transfer(party_details, doctype):
+		party_details.taxes_and_charges = ''
+		party_details.taxes = ''
+		return party_details
+
 	if doctype in ("Sales Invoice", "Delivery Note", "Sales Order"):
 		master_doctype = "Sales Taxes and Charges Template"
 
 		get_tax_template_for_sez(party_details, master_doctype, company, 'Customer')
 		get_tax_template_based_on_category(master_doctype, company, party_details)
 
-		if party_details.get('taxes_and_charges') and return_taxes:
+		if party_details.get('taxes_and_charges'):
 			return party_details
 
 		if not party_details.company_gstin:
-			return
+			return party_details
 
 	elif doctype in ("Purchase Invoice", "Purchase Order", "Purchase Receipt"):
 		master_doctype = "Purchase Taxes and Charges Template"
@@ -174,15 +182,15 @@ def get_regional_address_details(party_details, doctype, company, return_taxes=N
 		get_tax_template_for_sez(party_details, master_doctype, company, 'Supplier')
 		get_tax_template_based_on_category(master_doctype, company, party_details)
 
-		if party_details.get('taxes_and_charges') and return_taxes:
+		if party_details.get('taxes_and_charges'):
 			return party_details
 
 		if not party_details.supplier_gstin:
-			return
+			return party_details
 
-	if not party_details.place_of_supply: return
+	if not party_details.place_of_supply: return party_details
 
-	if not party_details.company_gstin: return
+	if not party_details.company_gstin: return party_details
 
 	if ((doctype in ("Sales Invoice", "Delivery Note", "Sales Order") and party_details.company_gstin
 		and party_details.company_gstin[:2] != party_details.place_of_supply[:2]) or (doctype in ("Purchase Invoice",
@@ -192,12 +200,27 @@ def get_regional_address_details(party_details, doctype, company, return_taxes=N
 		default_tax = get_tax_template(master_doctype, company, 0, party_details.company_gstin[:2])
 
 	if not default_tax:
-		return
+		return party_details
 	party_details["taxes_and_charges"] = default_tax
 	party_details.taxes = get_taxes_and_charges(master_doctype, default_tax)
 
-	if return_taxes:
-		return party_details
+	return party_details
+
+def update_party_details(party_details, doctype):
+	for address_field in ['shipping_address', 'company_address', 'supplier_address', 'shipping_address_name', 'customer_address']:
+		if party_details.get(address_field):
+			party_details.update(get_fetch_values(doctype, address_field, party_details.get(address_field)))
+
+def is_internal_transfer(party_details, doctype):
+	if doctype in ("Sales Invoice", "Delivery Note", "Sales Order"):
+		destination_gstin = party_details.company_gstin
+	elif doctype in ("Purchase Invoice", "Purchase Order", "Purchase Receipt"):
+		destination_gstin = party_details.supplier_gstin
+
+	if party_details.gstin == destination_gstin:
+		return True
+	else:
+		False
 
 def get_tax_template_based_on_category(master_doctype, company, party_details):
 	if not party_details.get('tax_category'):
@@ -504,6 +527,9 @@ def get_address_details(data, doc, company_address, billing_address):
 	if doc.gst_category == 'SEZ':
 		data.toStateCode = 99
 
+	if doc.gst_category == 'SEZ':
+		data.toStateCode = 99
+
 	return data
 
 def get_item_list(data, doc):