Merge branch 'develop' into bom-update-tool
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index cba6759..dc3011f 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -30,6 +30,7 @@
     rev: 9cb0a69f4d0030cdf687eddf314468b39ed54119
     hooks:
       - id: black
+        additional_dependencies: ['click==8.0.4']
 
   - repo: https://github.com/timothycrosley/isort
     rev: 5.9.1
diff --git a/erpnext/accounts/doctype/sales_invoice/test_sales_invoice.py b/erpnext/accounts/doctype/sales_invoice/test_sales_invoice.py
index 808b766..6c38a7e 100644
--- a/erpnext/accounts/doctype/sales_invoice/test_sales_invoice.py
+++ b/erpnext/accounts/doctype/sales_invoice/test_sales_invoice.py
@@ -945,12 +945,55 @@
 		)
 		pos.append("payments", {"mode_of_payment": "Cash", "account": "Cash - TCP1", "amount": 60})
 
-		pos.change_amount = 5.0
+		pos.write_off_outstanding_amount_automatically = 1
 		pos.insert()
 		pos.submit()
 
 		self.assertEqual(pos.grand_total, 100.0)
-		self.assertEqual(pos.write_off_amount, -5)
+		self.assertEqual(pos.write_off_amount, 0)
+
+	def test_auto_write_off_amount(self):
+		make_pos_profile(
+			company="_Test Company with perpetual inventory",
+			income_account="Sales - TCP1",
+			expense_account="Cost of Goods Sold - TCP1",
+			warehouse="Stores - TCP1",
+			cost_center="Main - TCP1",
+			write_off_account="_Test Write Off - TCP1",
+		)
+
+		make_purchase_receipt(
+			company="_Test Company with perpetual inventory",
+			item_code="_Test FG Item",
+			warehouse="Stores - TCP1",
+			cost_center="Main - TCP1",
+		)
+
+		pos = create_sales_invoice(
+			company="_Test Company with perpetual inventory",
+			debit_to="Debtors - TCP1",
+			item_code="_Test FG Item",
+			warehouse="Stores - TCP1",
+			income_account="Sales - TCP1",
+			expense_account="Cost of Goods Sold - TCP1",
+			cost_center="Main - TCP1",
+			do_not_save=True,
+		)
+
+		pos.is_pos = 1
+		pos.update_stock = 1
+
+		pos.append(
+			"payments", {"mode_of_payment": "Bank Draft", "account": "_Test Bank - TCP1", "amount": 50}
+		)
+		pos.append("payments", {"mode_of_payment": "Cash", "account": "Cash - TCP1", "amount": 40})
+
+		pos.write_off_outstanding_amount_automatically = 1
+		pos.insert()
+		pos.submit()
+
+		self.assertEqual(pos.grand_total, 100.0)
+		self.assertEqual(pos.write_off_amount, 10)
 
 	def test_pos_with_no_gl_entry_for_change_amount(self):
 		frappe.db.set_value("Accounts Settings", None, "post_change_gl_entries", 0)
diff --git a/erpnext/controllers/taxes_and_totals.py b/erpnext/controllers/taxes_and_totals.py
index ce58d5b..8183b6e 100644
--- a/erpnext/controllers/taxes_and_totals.py
+++ b/erpnext/controllers/taxes_and_totals.py
@@ -679,7 +679,11 @@
 				)
 
 			if self.doc.docstatus == 0:
+				if self.doc.get("write_off_outstanding_amount_automatically"):
+					self.doc.write_off_amount = 0
+
 				self.calculate_outstanding_amount()
+				self.calculate_write_off_amount()
 
 	def is_internal_invoice(self):
 		"""
@@ -731,7 +735,6 @@
 			change_amount = 0
 
 			if self.doc.doctype == "Sales Invoice" and not self.doc.get("is_return"):
-				self.calculate_write_off_amount()
 				self.calculate_change_amount()
 				change_amount = (
 					self.doc.change_amount
@@ -791,28 +794,26 @@
 			and not self.doc.is_return
 			and any(d.type == "Cash" for d in self.doc.payments)
 		):
-
 			self.doc.change_amount = flt(
-				self.doc.paid_amount - grand_total + self.doc.write_off_amount,
-				self.doc.precision("change_amount"),
+				self.doc.paid_amount - grand_total, self.doc.precision("change_amount")
 			)
 
 			self.doc.base_change_amount = flt(
-				self.doc.base_paid_amount - base_grand_total + self.doc.base_write_off_amount,
-				self.doc.precision("base_change_amount"),
+				self.doc.base_paid_amount - base_grand_total, self.doc.precision("base_change_amount")
 			)
 
 	def calculate_write_off_amount(self):
-		if flt(self.doc.change_amount) > 0:
+		if self.doc.get("write_off_outstanding_amount_automatically"):
 			self.doc.write_off_amount = flt(
-				self.doc.grand_total - self.doc.paid_amount + self.doc.change_amount,
-				self.doc.precision("write_off_amount"),
+				self.doc.outstanding_amount, self.doc.precision("write_off_amount")
 			)
 			self.doc.base_write_off_amount = flt(
 				self.doc.write_off_amount * self.doc.conversion_rate,
 				self.doc.precision("base_write_off_amount"),
 			)
 
+			self.calculate_outstanding_amount()
+
 	def calculate_margin(self, item):
 		rate_with_margin = 0.0
 		base_rate_with_margin = 0.0
diff --git a/erpnext/public/js/controllers/taxes_and_totals.js b/erpnext/public/js/controllers/taxes_and_totals.js
index 9fec43b..047ec81 100644
--- a/erpnext/public/js/controllers/taxes_and_totals.js
+++ b/erpnext/public/js/controllers/taxes_and_totals.js
@@ -689,7 +689,12 @@
 		}));
 		this.frm.doc.total_advance = flt(total_allocated_amount, precision("total_advance"));
 
+		if (this.frm.doc.write_off_outstanding_amount_automatically) {
+			this.frm.doc.write_off_amount = 0;
+		}
+
 		this.calculate_outstanding_amount(update_paid_amount);
+		this.calculate_write_off_amount();
 	}
 
 	is_internal_invoice() {
@@ -825,26 +830,23 @@
 				var grand_total = this.frm.doc.rounded_total || this.frm.doc.grand_total;
 				var base_grand_total = this.frm.doc.base_rounded_total || this.frm.doc.base_grand_total;
 
-				this.frm.doc.change_amount = flt(this.frm.doc.paid_amount - grand_total +
-					this.frm.doc.write_off_amount, precision("change_amount"));
+				this.frm.doc.change_amount = flt(this.frm.doc.paid_amount - grand_total,
+					precision("change_amount"));
 
 				this.frm.doc.base_change_amount = flt(this.frm.doc.base_paid_amount -
-					base_grand_total + this.frm.doc.base_write_off_amount,
-					precision("base_change_amount"));
+					base_grand_total, precision("base_change_amount"));
 			}
 		}
 	}
 
-	calculate_write_off_amount(){
-		if(this.frm.doc.paid_amount > this.frm.doc.grand_total){
-			this.frm.doc.write_off_amount = flt(this.frm.doc.grand_total - this.frm.doc.paid_amount
-				+ this.frm.doc.change_amount, precision("write_off_amount"));
-
+	calculate_write_off_amount() {
+		if(this.frm.doc.write_off_outstanding_amount_automatically) {
+			this.frm.doc.write_off_amount = flt(this.frm.doc.outstanding_amount, precision("write_off_amount"));
 			this.frm.doc.base_write_off_amount = flt(this.frm.doc.write_off_amount * this.frm.doc.conversion_rate,
 				precision("base_write_off_amount"));
-		}else{
-			this.frm.doc.paid_amount = 0.0;
+
+			this.calculate_outstanding_amount(false);
 		}
-		this.calculate_outstanding_amount(false);
+
 	}
 };
diff --git a/erpnext/selling/report/item_wise_sales_history/item_wise_sales_history.py b/erpnext/selling/report/item_wise_sales_history/item_wise_sales_history.py
index da00984..12ca7b3 100644
--- a/erpnext/selling/report/item_wise_sales_history/item_wise_sales_history.py
+++ b/erpnext/selling/report/item_wise_sales_history/item_wise_sales_history.py
@@ -177,11 +177,11 @@
 
 
 def get_item_details():
-	details = frappe.db.get_all("Item", fields=["item_code", "item_name", "item_group"])
+	details = frappe.db.get_all("Item", fields=["name", "item_name", "item_group"])
 	item_details = {}
 	for d in details:
 		item_details.setdefault(
-			d.item_code, frappe._dict({"item_name": d.item_name, "item_group": d.item_group})
+			d.name, frappe._dict({"item_name": d.item_name, "item_group": d.item_group})
 		)
 	return item_details
 
diff --git a/erpnext/stock/doctype/stock_entry/stock_entry.py b/erpnext/stock/doctype/stock_entry/stock_entry.py
index bc54f7f..c0a8e14 100644
--- a/erpnext/stock/doctype/stock_entry/stock_entry.py
+++ b/erpnext/stock/doctype/stock_entry/stock_entry.py
@@ -225,12 +225,16 @@
 	def set_transfer_qty(self):
 		for item in self.get("items"):
 			if not flt(item.qty):
-				frappe.throw(_("Row {0}: Qty is mandatory").format(item.idx))
+				frappe.throw(_("Row {0}: Qty is mandatory").format(item.idx), title=_("Zero quantity"))
 			if not flt(item.conversion_factor):
 				frappe.throw(_("Row {0}: UOM Conversion Factor is mandatory").format(item.idx))
 			item.transfer_qty = flt(
 				flt(item.qty) * flt(item.conversion_factor), self.precision("transfer_qty", item)
 			)
+			if not flt(item.transfer_qty):
+				frappe.throw(
+					_("Row {0}: Qty in Stock UOM can not be zero.").format(item.idx), title=_("Zero quantity")
+				)
 
 	def update_cost_in_project(self):
 		if self.work_order and not frappe.db.get_value(
diff --git a/erpnext/stock/doctype/stock_entry/test_stock_entry.py b/erpnext/stock/doctype/stock_entry/test_stock_entry.py
index aeedcd1..3ccd342 100644
--- a/erpnext/stock/doctype/stock_entry/test_stock_entry.py
+++ b/erpnext/stock/doctype/stock_entry/test_stock_entry.py
@@ -51,7 +51,6 @@
 	def tearDown(self):
 		frappe.db.rollback()
 		frappe.set_user("Administrator")
-		frappe.db.set_value("Manufacturing Settings", None, "material_consumption", "0")
 
 	def test_fifo(self):
 		frappe.db.set_value("Stock Settings", None, "allow_negative_stock", 1)
@@ -767,13 +766,12 @@
 			fg_cost, flt(rm_cost + bom_operation_cost + work_order.additional_operating_cost, 2)
 		)
 
+	@change_settings("Manufacturing Settings", {"material_consumption": 1})
 	def test_work_order_manufacture_with_material_consumption(self):
 		from erpnext.manufacturing.doctype.work_order.work_order import (
 			make_stock_entry as _make_stock_entry,
 		)
 
-		frappe.db.set_value("Manufacturing Settings", None, "material_consumption", "1")
-
 		bom_no = frappe.db.get_value("BOM", {"item": "_Test FG Item", "is_default": 1, "docstatus": 1})
 
 		work_order = frappe.new_doc("Work Order")
@@ -983,43 +981,6 @@
 		repack.insert()
 		self.assertRaises(frappe.ValidationError, repack.submit)
 
-	# def test_material_consumption(self):
-	# 	frappe.db.set_value("Manufacturing Settings", None, "backflush_raw_materials_based_on", "BOM")
-	# 	frappe.db.set_value("Manufacturing Settings", None, "material_consumption", "0")
-
-	# 	from erpnext.manufacturing.doctype.work_order.work_order \
-	# 		import make_stock_entry as _make_stock_entry
-	# 	bom_no = frappe.db.get_value("BOM", {"item": "_Test FG Item 2",
-	# 		"is_default": 1, "docstatus": 1})
-
-	# 	work_order = frappe.new_doc("Work Order")
-	# 	work_order.update({
-	# 		"company": "_Test Company",
-	# 		"fg_warehouse": "_Test Warehouse 1 - _TC",
-	# 		"production_item": "_Test FG Item 2",
-	# 		"bom_no": bom_no,
-	# 		"qty": 4.0,
-	# 		"stock_uom": "_Test UOM",
-	# 		"wip_warehouse": "_Test Warehouse - _TC",
-	# 		"additional_operating_cost": 1000,
-	# 		"use_multi_level_bom": 1
-	# 	})
-	# 	work_order.insert()
-	# 	work_order.submit()
-
-	# 	make_stock_entry(item_code="_Test Serialized Item With Series", target="_Test Warehouse - _TC", qty=50, basic_rate=100)
-	# 	make_stock_entry(item_code="_Test Item 2", target="_Test Warehouse - _TC", qty=50, basic_rate=20)
-
-	# 	item_quantity = {
-	# 		'_Test Item': 2.0,
-	# 		'_Test Item 2': 12.0,
-	# 		'_Test Serialized Item With Series': 6.0
-	# 	}
-
-	# 	stock_entry = frappe.get_doc(_make_stock_entry(work_order.name, "Material Consumption for Manufacture", 2))
-	# 	for d in stock_entry.get('items'):
-	# 		self.assertEqual(item_quantity.get(d.item_code), d.qty)
-
 	def test_customer_provided_parts_se(self):
 		create_item(
 			"CUST-0987", is_customer_provided_item=1, customer="_Test Customer", is_purchase_item=0
@@ -1358,6 +1319,13 @@
 		issue.reload()  # reload because reposting current voucher updates rate
 		self.assertEqual(issue.value_difference, -30)
 
+	def test_transfer_qty_validation(self):
+		se = make_stock_entry(item_code="_Test Item", do_not_save=True, qty=0.001, rate=100)
+		se.items[0].uom = "Kg"
+		se.items[0].conversion_factor = 0.002
+
+		self.assertRaises(frappe.ValidationError, se.save)
+
 
 def make_serialized_item(**args):
 	args = frappe._dict(args)
diff --git a/erpnext/stock/utils.py b/erpnext/stock/utils.py
index 741646d..4f1891f 100644
--- a/erpnext/stock/utils.py
+++ b/erpnext/stock/utils.py
@@ -526,7 +526,7 @@
 
 	filters = {
 		"docstatus": 1,
-		"status": ["in", ["Queued", "In Progress", "Failed"]],
+		"status": ["in", ["Queued", "In Progress"]],
 		"posting_date": ["<=", posting_date],
 	}