Merge pull request #28642 from frappe/mergify/bp/version-13-pre-release/pr-28302

fix: Shipping Rule picking up old net_rate (backport #28302)

erpnext/accounts/doctype/purchase_invoice/test_purchase_invoice.py

@@ -810,29 +810,12 @@ class TestPurchaseInvoice(unittest.TestCase):
 
 		pi.shipping_rule = shipping_rule.name
 		pi.insert()
-
-		shipping_amount = 0.0
-		for condition in shipping_rule.get("conditions"):
-			if not condition.to_value or (flt(condition.from_value) <= pi.net_total <= flt(condition.to_value)):
-				shipping_amount = condition.shipping_amount
-
-		shipping_charge = {
-			"doctype": "Purchase Taxes and Charges",
-			"category": "Valuation and Total",
-			"charge_type": "Actual",
-			"account_head": shipping_rule.account,
-			"cost_center": shipping_rule.cost_center,
-			"tax_amount": shipping_amount,
-			"description": shipping_rule.name,
-			"add_deduct_tax": "Add"
-		}
-		pi.append("taxes", shipping_charge)
 		pi.save()
 
 		self.assertEqual(pi.net_total, 1250)
 
-		self.assertEqual(pi.total_taxes_and_charges, 462.3)
-		self.assertEqual(pi.grand_total, 1712.3)
+		self.assertEqual(pi.total_taxes_and_charges, 354.1)
+		self.assertEqual(pi.grand_total, 1604.1)
 
 	def test_make_pi_without_terms(self):
 		pi = make_purchase_invoice(do_not_save=1)

erpnext/accounts/doctype/sales_invoice/test_sales_invoice.py

@@ -1623,28 +1623,12 @@ class TestSalesInvoice(unittest.TestCase):
 
 		si.shipping_rule = shipping_rule.name
 		si.insert()
-
-		shipping_amount = 0.0
-		for condition in shipping_rule.get("conditions"):
-			if not condition.to_value or (flt(condition.from_value) <= si.net_total <= flt(condition.to_value)):
-				shipping_amount = condition.shipping_amount
-
-		shipping_charge = {
-			"doctype": "Sales Taxes and Charges",
-			"category": "Valuation and Total",
-			"charge_type": "Actual",
-			"account_head": shipping_rule.account,
-			"cost_center": shipping_rule.cost_center,
-			"tax_amount": shipping_amount,
-			"description": shipping_rule.name
-		}
-		si.append("taxes", shipping_charge)
 		si.save()
 
 		self.assertEqual(si.net_total, 1250)
 
-		self.assertEqual(si.total_taxes_and_charges, 577.05)
-		self.assertEqual(si.grand_total, 1827.05)
+		self.assertEqual(si.total_taxes_and_charges, 468.85)
+		self.assertEqual(si.grand_total, 1718.85)
 
 
 

erpnext/controllers/taxes_and_totals.py

@@ -50,6 +50,7 @@ class calculate_taxes_and_totals(object):
 		self.initialize_taxes()
 		self.determine_exclusive_rate()
 		self.calculate_net_total()
+		self.calculate_shipping_charges()
 		self.calculate_taxes()
 		self.manipulate_grand_total_for_inclusive_tax()
 		self.calculate_totals()
@@ -258,6 +259,11 @@ class calculate_taxes_and_totals(object):
 
 		self.doc.round_floats_in(self.doc, ["total", "base_total", "net_total", "base_net_total"])
 
+	def calculate_shipping_charges(self):
+		if hasattr(self.doc, "shipping_rule") and self.doc.shipping_rule:
+			shipping_rule = frappe.get_doc("Shipping Rule", self.doc.shipping_rule)
+			shipping_rule.apply(self.doc)
+
 	def calculate_taxes(self):
 		if not self.doc.get('is_consolidated'):
 			self.doc.rounding_adjustment = 0

erpnext/public/js/controllers/taxes_and_totals.js

@@ -81,6 +81,7 @@ erpnext.taxes_and_totals = erpnext.payments.extend({
 		this.initialize_taxes();
 		this.determine_exclusive_rate();
 		this.calculate_net_total();
+		this.calculate_shipping_charges();
 		this.calculate_taxes();
 		this.manipulate_grand_total_for_inclusive_tax();
 		this.calculate_totals();
@@ -264,8 +265,13 @@ erpnext.taxes_and_totals = erpnext.payments.extend({
 			me.frm.doc.net_total += item.net_amount;
 			me.frm.doc.base_net_total += item.base_net_amount;
 			});
+	},
 
+	calculate_shipping_charges: function() {
 		frappe.model.round_floats_in(this.frm.doc, ["total", "base_total", "net_total", "base_net_total"]);
+		if (frappe.meta.get_docfield(this.frm.doc.doctype, "shipping_rule", this.frm.doc.name)) {
+			this.shipping_rule();
+		}
 	},
 
 	add_taxes_from_item_tax_template: function(item_tax_map) {

erpnext/public/js/controllers/transaction.js

@@ -1065,16 +1065,8 @@ erpnext.TransactionController = erpnext.taxes_and_totals.extend({
 			return this.frm.call({
 				doc: this.frm.doc,
 				method: "apply_shipping_rule",
-				callback: function(r) {
-					if(!r.exc) {
-						me.calculate_taxes_and_totals();
-					}
-				}
 			}).fail(() => this.frm.set_value('shipping_rule', ''));
 		}
-		else {
-			me.calculate_taxes_and_totals();
-		}
 	},
 
 	set_margin_amount_based_on_currency: function(exchange_rate) {