Merge branch 'develop' into fix-mr-rate-and-amount
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 73aae33..d70977c 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -32,8 +32,8 @@
       - id: black
         additional_dependencies: ['click==8.0.4']
 
-  - repo: https://github.com/timothycrosley/isort
-    rev: 5.9.1
+  - repo: https://github.com/PyCQA/isort
+    rev: 5.12.0
     hooks:
       - id: isort
         exclude: ".*setup.py$"
diff --git a/erpnext/accounts/doctype/sales_invoice/sales_invoice.json b/erpnext/accounts/doctype/sales_invoice/sales_invoice.json
index 4729d9c..2f4e45e 100644
--- a/erpnext/accounts/doctype/sales_invoice/sales_invoice.json
+++ b/erpnext/accounts/doctype/sales_invoice/sales_invoice.json
@@ -1776,6 +1776,8 @@
    "width": "50%"
   },
   {
+   "fetch_from": "sales_partner.commission_rate",
+   "fetch_if_empty": 1,
    "fieldname": "commission_rate",
    "fieldtype": "Float",
    "hide_days": 1,
@@ -2141,7 +2143,7 @@
    "link_fieldname": "consolidated_invoice"
   }
  ],
- "modified": "2022-12-12 18:34:33.409895",
+ "modified": "2023-01-28 19:45:47.538163",
  "modified_by": "Administrator",
  "module": "Accounts",
  "name": "Sales Invoice",
diff --git a/erpnext/accounts/report/gross_profit/gross_profit.py b/erpnext/accounts/report/gross_profit/gross_profit.py
index 130b715..25e7891 100644
--- a/erpnext/accounts/report/gross_profit/gross_profit.py
+++ b/erpnext/accounts/report/gross_profit/gross_profit.py
@@ -655,10 +655,35 @@
 				return self.calculate_buying_amount_from_sle(
 					row, my_sle, parenttype, parent, item_row, item_code
 				)
+			elif row.sales_order and row.so_detail:
+				incoming_amount = self.get_buying_amount_from_so_dn(row.sales_order, row.so_detail, item_code)
+				if incoming_amount:
+					return incoming_amount
 			else:
 				return flt(row.qty) * self.get_average_buying_rate(row, item_code)
 
-		return 0.0
+		return flt(row.qty) * self.get_average_buying_rate(row, item_code)
+
+	def get_buying_amount_from_so_dn(self, sales_order, so_detail, item_code):
+		from frappe.query_builder.functions import Sum
+
+		delivery_note = frappe.qb.DocType("Delivery Note")
+		delivery_note_item = frappe.qb.DocType("Delivery Note Item")
+
+		query = (
+			frappe.qb.from_(delivery_note)
+			.inner_join(delivery_note_item)
+			.on(delivery_note.name == delivery_note_item.parent)
+			.select(Sum(delivery_note_item.incoming_rate * delivery_note_item.stock_qty))
+			.where(delivery_note.docstatus == 1)
+			.where(delivery_note_item.item_code == item_code)
+			.where(delivery_note_item.against_sales_order == sales_order)
+			.where(delivery_note_item.so_detail == so_detail)
+			.groupby(delivery_note_item.item_code)
+		)
+
+		incoming_amount = query.run()
+		return flt(incoming_amount[0][0]) if incoming_amount else 0
 
 	def get_average_buying_rate(self, row, item_code):
 		args = row
@@ -760,7 +785,8 @@
 				`tabSales Invoice`.territory, `tabSales Invoice Item`.item_code,
 				`tabSales Invoice Item`.item_name, `tabSales Invoice Item`.description,
 				`tabSales Invoice Item`.warehouse, `tabSales Invoice Item`.item_group,
-				`tabSales Invoice Item`.brand, `tabSales Invoice Item`.dn_detail,
+				`tabSales Invoice Item`.brand, `tabSales Invoice Item`.so_detail,
+				`tabSales Invoice Item`.sales_order, `tabSales Invoice Item`.dn_detail,
 				`tabSales Invoice Item`.delivery_note, `tabSales Invoice Item`.stock_qty as qty,
 				`tabSales Invoice Item`.base_net_rate, `tabSales Invoice Item`.base_net_amount,
 				`tabSales Invoice Item`.name as "item_row", `tabSales Invoice`.is_return,
diff --git a/erpnext/accounts/report/gross_profit/test_gross_profit.py b/erpnext/accounts/report/gross_profit/test_gross_profit.py
index fa11a41..21681be 100644
--- a/erpnext/accounts/report/gross_profit/test_gross_profit.py
+++ b/erpnext/accounts/report/gross_profit/test_gross_profit.py
@@ -302,3 +302,82 @@
 
 		columns, data = execute(filters=filters)
 		self.assertGreater(len(data), 0)
+
+	def test_order_connected_dn_and_inv(self):
+		from erpnext.selling.doctype.sales_order.test_sales_order import make_sales_order
+
+		"""
+			Test gp calculation when invoice and delivery note aren't directly connected.
+			SO -- INV
+			|
+			DN
+		"""
+		se = make_stock_entry(
+			company=self.company,
+			item_code=self.item,
+			target=self.warehouse,
+			qty=3,
+			basic_rate=100,
+			do_not_submit=True,
+		)
+		item = se.items[0]
+		se.append(
+			"items",
+			{
+				"item_code": item.item_code,
+				"s_warehouse": item.s_warehouse,
+				"t_warehouse": item.t_warehouse,
+				"qty": 10,
+				"basic_rate": 200,
+				"conversion_factor": item.conversion_factor or 1.0,
+				"transfer_qty": flt(item.qty) * (flt(item.conversion_factor) or 1.0),
+				"serial_no": item.serial_no,
+				"batch_no": item.batch_no,
+				"cost_center": item.cost_center,
+				"expense_account": item.expense_account,
+			},
+		)
+		se = se.save().submit()
+
+		so = make_sales_order(
+			customer=self.customer,
+			company=self.company,
+			warehouse=self.warehouse,
+			item=self.item,
+			qty=4,
+			do_not_save=False,
+			do_not_submit=False,
+		)
+
+		from erpnext.selling.doctype.sales_order.sales_order import (
+			make_delivery_note,
+			make_sales_invoice,
+		)
+
+		make_delivery_note(so.name).submit()
+		sinv = make_sales_invoice(so.name).submit()
+
+		filters = frappe._dict(
+			company=self.company, from_date=nowdate(), to_date=nowdate(), group_by="Invoice"
+		)
+
+		columns, data = execute(filters=filters)
+		expected_entry = {
+			"parent_invoice": sinv.name,
+			"currency": "INR",
+			"sales_invoice": self.item,
+			"customer": self.customer,
+			"posting_date": frappe.utils.datetime.date.fromisoformat(nowdate()),
+			"item_code": self.item,
+			"item_name": self.item,
+			"warehouse": "Stores - _GP",
+			"qty": 4.0,
+			"avg._selling_rate": 100.0,
+			"valuation_rate": 125.0,
+			"selling_amount": 400.0,
+			"buying_amount": 500.0,
+			"gross_profit": -100.0,
+			"gross_profit_%": -25.0,
+		}
+		gp_entry = [x for x in data if x.parent_invoice == sinv.name]
+		self.assertDictContainsSubset(expected_entry, gp_entry[0])
diff --git a/erpnext/assets/doctype/asset/depreciation.py b/erpnext/assets/doctype/asset/depreciation.py
index 5337fd6..17d4078 100644
--- a/erpnext/assets/doctype/asset/depreciation.py
+++ b/erpnext/assets/doctype/asset/depreciation.py
@@ -4,7 +4,17 @@
 
 import frappe
 from frappe import _
-from frappe.utils import add_months, cint, flt, get_link_to_form, getdate, nowdate, today
+from frappe.utils import (
+	add_months,
+	cint,
+	flt,
+	get_last_day,
+	get_link_to_form,
+	getdate,
+	is_last_day_of_the_month,
+	nowdate,
+	today,
+)
 from frappe.utils.user import get_users_with_role
 
 from erpnext.accounts.doctype.accounting_dimension.accounting_dimension import (
@@ -400,6 +410,9 @@
 		row.depreciation_start_date, schedule_idx * cint(row.frequency_of_depreciation)
 	)
 
+	if is_last_day_of_the_month(row.depreciation_start_date):
+		orginal_schedule_date = get_last_day(orginal_schedule_date)
+
 	if orginal_schedule_date == posting_date_of_disposal:
 		return True
 
diff --git a/erpnext/assets/report/fixed_asset_register/fixed_asset_register.py b/erpnext/assets/report/fixed_asset_register/fixed_asset_register.py
index faffd11..d41069c 100644
--- a/erpnext/assets/report/fixed_asset_register/fixed_asset_register.py
+++ b/erpnext/assets/report/fixed_asset_register/fixed_asset_register.py
@@ -126,16 +126,18 @@
 	if not asset.calculate_depreciation:
 		return flt(asset.gross_purchase_amount) - flt(asset.opening_accumulated_depreciation)
 
-	finance_book_filter = ["finance_book", "is", "not set"]
-	if finance_book:
-		finance_book_filter = ["finance_book", "=", finance_book]
-
-	return frappe.db.get_value(
+	result = frappe.get_all(
 		doctype="Asset Finance Book",
-		filters=[["parent", "=", asset.asset_id], finance_book_filter],
-		fieldname="value_after_depreciation",
+		filters={
+			"parent": asset.asset_id,
+			"finance_book": finance_book or ("is", "not set"),
+		},
+		pluck="value_after_depreciation",
+		limit=1,
 	)
 
+	return result[0] if result else 0.0
+
 
 def prepare_chart_data(data, filters):
 	labels_values_map = {}