fix: Handle duplicate Items qty in Quotation

fix: Handle duplicate Items qty in Quotation
(cherry picked from commit 39f6d8ffb6)

erpnext/selling/doctype/quotation/quotation.py

@@ -174,29 +174,22 @@ class Quotation(SellingController):
 		)
 
 	def get_ordered_status(self):
-		status = "Open"
-		ordered_items = frappe._dict(
-			frappe.db.get_all(
-				"Sales Order Item",
-				{"prevdoc_docname": self.name, "docstatus": 1},
-				["item_code", "sum(qty)"],
-				group_by="item_code",
-				as_list=1,
-			)
-		)
+		ordered_items = get_ordered_items(self.name)
 
 		if not ordered_items:
-			return status
+			return "Open"
 
-		has_alternatives = any(row.is_alternative for row in self.get("items"))
-		self._items = self.get_valid_items() if has_alternatives else self.get("items")
+		self._items = (
+			self.get_valid_items()
+			if any(row.is_alternative for row in self.get("items"))
+			else self.get("items")
+		)
 
-		if any(row.qty > ordered_items.get(row.item_code, 0.0) for row in self._items):
-			status = "Partially Ordered"
-		else:
-			status = "Ordered"
+		for row in self._items:
+			if row.name not in ordered_items or row.qty > ordered_items[row.name]:
+				return "Partially Ordered"
 
-		return status
+		return "Ordered"
 
 	def get_valid_items(self):
 		"""
@@ -371,15 +364,7 @@ def make_sales_order(source_name: str, target_doc=None):
 
 def _make_sales_order(source_name, target_doc=None, ignore_permissions=False):
 	customer = _make_customer(source_name, ignore_permissions)
-	ordered_items = frappe._dict(
-		frappe.db.get_all(
-			"Sales Order Item",
-			{"prevdoc_docname": source_name, "docstatus": 1},
-			["item_code", "sum(qty)"],
-			group_by="item_code",
-			as_list=1,
-		)
-	)
+	ordered_items = get_ordered_items(source_name)
 
 	selected_rows = [x.get("name") for x in frappe.flags.get("args", {}).get("selected_items", [])]
 
@@ -417,7 +402,7 @@ def _make_sales_order(source_name, target_doc=None, ignore_permissions=False):
 		target.run_method("calculate_taxes_and_totals")
 
 	def update_item(obj, target, source_parent):
-		balance_qty = obj.qty if is_unit_price_row(obj) else obj.qty - ordered_items.get(obj.item_code, 0.0)
+		balance_qty = obj.qty if is_unit_price_row(obj) else obj.qty - ordered_items.get(obj.name, 0.0)
 		target.qty = balance_qty if balance_qty > 0 else 0
 		target.stock_qty = flt(target.qty) * flt(obj.conversion_factor)
 
@@ -433,10 +418,7 @@ def _make_sales_order(source_name, target_doc=None, ignore_permissions=False):
 		2. If selections: Is Alternative Item/Has Alternative Item: Map if selected and adequate qty
 		3. If no selections: Simple row: Map if adequate qty
 		"""
-		balance_qty = item.qty - ordered_items.get(item.item_code, 0.0)
-		has_valid_qty: bool = (balance_qty > 0) or is_unit_price_row(item)
-
-		if not has_valid_qty:
+		if not ((item.qty > ordered_items.get(item.name, 0.0)) or is_unit_price_row(item)):
 			return False
 
 		if not selected_rows:
@@ -603,3 +585,28 @@ def handle_mandatory_error(e, customer, lead_name):
 	message += _("Please create Customer from Lead {0}.").format(get_link_to_form("Lead", lead_name))
 
 	frappe.throw(message, title=_("Mandatory Missing"))
+
+
+def get_ordered_items(quotation: str):
+	"""
+	Returns a dict of ordered items with their total qty based on quotation row name.
+
+	In `Sales Order Item`, `quotation_item` is the row name of `Quotation Item`.
+
+	Example:
+	```
+	{
+	    "refsdjhd2": 10,
+	    "ygdhdshrt": 5,
+	}
+	```
+	"""
+	return frappe._dict(
+		frappe.get_all(
+			"Sales Order Item",
+			filters={"prevdoc_docname": quotation, "docstatus": 1},
+			fields=["quotation_item", "sum(qty)"],
+			group_by="quotation_item",
+			as_list=1,
+		)
+	)

erpnext/selling/doctype/quotation/test_quotation.py

@@ -815,6 +815,52 @@ class TestQuotation(FrappeTestCase):
 		quotation.reload()
 		self.assertEqual(quotation.status, "Ordered")
 
+	def test_duplicate_items_in_quotation(self):
+		from erpnext.selling.doctype.quotation.quotation import make_sales_order
+		from erpnext.stock.doctype.item.test_item import make_item
+
+		# item code same but description different
+		make_item("_Test Item 2", {"is_stock_item": 1})
+
+		quotation = make_quotation(qty=1, rate=100, do_not_submit=1)
+
+		# duplicate items
+		for qty in [1, 1, 2, 3]:
+			quotation.append("items", {"item_code": "_Test Item", "qty": qty, "rate": 100})
+
+		quotation.append("items", {"item_code": "_Test Item 2", "qty": 5, "rate": 100})
+
+		quotation.submit()
+
+		sales_order = make_sales_order(quotation.name)
+		sales_order.delivery_date = nowdate()
+
+		self.assertEqual(len(sales_order.items), 6)
+		self.assertEqual(sales_order.items[0].qty, 1)
+		self.assertEqual(sales_order.items[-1].qty, 5)
+
+		# Row 1: 10, Row 4: 1, Row 5: 1
+		sales_order.items[0].qty = 10
+		sales_order.items[3].qty = 1
+		sales_order.items[4].qty = 1
+		sales_order.submit()
+
+		quotation.reload()
+		self.assertEqual(quotation.status, "Partially Ordered")
+
+		sales_order_2 = make_sales_order(quotation.name)
+		sales_order_2.delivery_date = nowdate()
+		self.assertEqual(len(sales_order_2.items), 2)
+		self.assertEqual(sales_order_2.items[0].qty, 1)
+		self.assertEqual(sales_order_2.items[1].qty, 2)
+
+		self.assertEqual(sales_order_2.items[0].quotation_item, quotation.items[3].name)
+		self.assertEqual(sales_order_2.items[1].quotation_item, quotation.items[4].name)
+
+		sales_order_2.submit()
+		quotation.reload()
+		self.assertEqual(quotation.status, "Ordered")
+
 
 test_records = frappe.get_test_records("Quotation")