From 37a64b6485d55c0ff911604c62e380445bb12b0c Mon Sep 17 00:00:00 2001
From: pateljannat <jannatpatel@MacBook-Air.local>
Date: Tue, 17 Nov 2020 20:34:51 +0530
Subject: [PATCH] fix: place of supply change on address change

---
 erpnext/public/js/controllers/buying.js |  1 +
 erpnext/public/js/utils.js              | 13 +++++++++++++
 erpnext/regional/india/utils.py         |  3 +++
 3 files changed, 17 insertions(+)

diff --git a/erpnext/public/js/controllers/buying.js b/erpnext/public/js/controllers/buying.js
index b45efa22656..853b67fadae 100644
--- a/erpnext/public/js/controllers/buying.js
+++ b/erpnext/public/js/controllers/buying.js
@@ -133,6 +133,7 @@ erpnext.buying.BuyingController = erpnext.TransactionController.extend({
 	supplier_address: function() {
 		erpnext.utils.get_address_display(this.frm);
 		erpnext.utils.set_taxes_from_address(this.frm, "supplier_address", "supplier_address", "supplier_address");
+		erpnext.utils.set_place_of_supply(this.frm)
 	},
 
 	buying_price_list: function() {
diff --git a/erpnext/public/js/utils.js b/erpnext/public/js/utils.js
index 6e2409cf875..3727bb1c58c 100755
--- a/erpnext/public/js/utils.js
+++ b/erpnext/public/js/utils.js
@@ -116,6 +116,19 @@ $.extend(erpnext.utils, {
 		}
 	},
 
+	set_place_of_supply: function(frm){
+		frappe.call({
+			method: "erpnext.regional.india.utils.get_place_of_supply",
+			args: {
+				"party_details": frm.doc,
+				"doctype": frm.doc.doctype
+			},
+			callback: function(r){
+					frm.set_value("place_of_supply", r.message)
+			}
+		})
+	},
+
 	add_indicator_for_multicompany: function(frm, info) {
 		frm.dashboard.stats_area.removeClass('hidden');
 		frm.dashboard.stats_area_row.addClass('flex');
diff --git a/erpnext/regional/india/utils.py b/erpnext/regional/india/utils.py
index 2b6eedec3f8..beded408690 100644
--- a/erpnext/regional/india/utils.py
+++ b/erpnext/regional/india/utils.py
@@ -144,6 +144,9 @@ def test_method():
 
 def get_place_of_supply(party_details, doctype):
 	if not frappe.get_meta('Address').has_field('gst_state'): return
+	if isinstance(party_details, string_types):
+		party_details = json.loads(party_details)
+		party_details = frappe._dict(party_details)
 
 	if doctype in ("Sales Invoice", "Delivery Note", "Sales Order"):
 		address_name = party_details.customer_address or party_details.shipping_address_name