From 72eb72f66f64518f859de681adbb4de63a235d28 Mon Sep 17 00:00:00 2001
From: Deepesh Garg <deepeshgarg6@gmail.com>
Date: Tue, 20 Jul 2021 15:45:04 +0530
Subject: [PATCH] fix: Add update item tax template method back

---
 erpnext/public/js/controllers/transaction.js | 40 ++++++++++++++++++++
 1 file changed, 40 insertions(+)

diff --git a/erpnext/public/js/controllers/transaction.js b/erpnext/public/js/controllers/transaction.js
index b3af3d67ea..6eb6775b28 100644
--- a/erpnext/public/js/controllers/transaction.js
+++ b/erpnext/public/js/controllers/transaction.js
@@ -1787,6 +1787,46 @@ erpnext.TransactionController = erpnext.taxes_and_totals.extend({
 		]);
 	},
 
+	update_item_tax_map: function() {
+		let me = this;
+		let item_codes = [];
+		let item_rates = {};
+		let item_tax_templates = {};
+
+		$.each(this.frm.doc.items || [], function(i, item) {
+			if (item.item_code) {
+				// Use combination of name and item code in case same item is added multiple times
+				item_codes.push([item.item_code, item.name]);
+				item_rates[item.name] = item.net_rate;
+				item_tax_templates[item.name] = item.item_tax_template;
+			}
+		});
+
+		if (item_codes.length) {
+			return this.frm.call({
+				method: "erpnext.stock.get_item_details.get_item_tax_info",
+				args: {
+					company: me.frm.doc.company,
+					tax_category: cstr(me.frm.doc.tax_category),
+					item_codes: item_codes,
+					item_rates: item_rates,
+					item_tax_templates: item_tax_templates
+				},
+				callback: function(r) {
+					if (!r.exc) {
+						$.each(me.frm.doc.items || [], function(i, item) {
+							if (item.name && r.message.hasOwnProperty(item.name) && r.message[item.name].item_tax_template) {
+								item.item_tax_template = r.message[item.name].item_tax_template;
+								item.item_tax_rate = r.message[item.name].item_tax_rate;
+								me.add_taxes_from_item_tax_template(item.item_tax_rate);
+							}
+						});
+					}
+				}
+			});
+		}
+	},
+
 	item_tax_template: function(doc, cdt, cdn) {
 		var me = this;
 		if(me.frm.updating_party_details) return;