feat: provision to disable get last purchase rate

fix: set_incoming_rate condition

erpnext/buying/doctype/buying_settings/buying_settings.json

@@ -9,8 +9,8 @@
   "supplier_and_price_defaults_section",
   "supp_master_name",
   "supplier_group",
-  "column_break_4",
   "buying_price_list",
+  "column_break_4",
   "maintain_same_rate_action",
   "role_to_override_stop_action",
   "transaction_settings_section",
@@ -20,6 +20,7 @@
   "maintain_same_rate",
   "allow_multiple_items",
   "bill_for_rejected_quantity_in_purchase_invoice",
+  "disable_last_purchase_rate",
   "subcontract",
   "backflush_raw_materials_of_subcontract_based_on",
   "column_break_11",
@@ -71,7 +72,7 @@
   },
   {
    "fieldname": "subcontract",
-   "fieldtype": "Section Break",
+   "fieldtype": "Tab Break",
    "label": "Subcontracting Settings"
   },
   {
@@ -118,8 +119,8 @@
   },
   {
    "fieldname": "supplier_and_price_defaults_section",
-   "fieldtype": "Section Break",
-   "label": "Supplier and Price Defaults"
+   "fieldtype": "Tab Break",
+   "label": "Naming Series and Price Defaults"
   },
   {
    "fieldname": "column_break_4",
@@ -127,12 +128,18 @@
   },
   {
    "fieldname": "transaction_settings_section",
-   "fieldtype": "Section Break",
+   "fieldtype": "Tab Break",
    "label": "Transaction Settings"
   },
   {
    "fieldname": "column_break_12",
    "fieldtype": "Column Break"
+  },
+  {
+   "default": "0",
+   "fieldname": "disable_last_purchase_rate",
+   "fieldtype": "Check",
+   "label": "Disable Last Purchase Rate"
   }
  ],
  "icon": "fa fa-cog",
@@ -140,7 +147,7 @@
  "index_web_pages_for_search": 1,
  "issingle": 1,
  "links": [],
- "modified": "2022-09-27 10:50:27.050252",
+ "modified": "2023-01-09 17:08:28.828173",
  "modified_by": "Administrator",
  "module": "Buying",
  "name": "Buying Settings",

erpnext/controllers/buying_controller.py

@@ -274,9 +274,7 @@ class BuyingController(SubcontractingController):
 		if self.doctype not in ("Purchase Receipt", "Purchase Invoice", "Purchase Order"):
 			return
 
-		if (
-			self.doctype == "Purchase Invoice" and not self.update_stock and not self.is_internal_transfer()
-		):
+		if not self.is_internal_transfer():
 			return
 
 		ref_doctype_map = {
@@ -549,7 +547,9 @@ class BuyingController(SubcontractingController):
 			self.process_fixed_asset()
 			self.update_fixed_asset(field)
 
-		if self.doctype in ["Purchase Order", "Purchase Receipt"]:
+		if self.doctype in ["Purchase Order", "Purchase Receipt"] and not frappe.db.get_single_value(
+			"Buying Settings", "disable_last_purchase_rate"
+		):
 			update_last_purchase_rate(self, is_submit=1)
 
 	def on_cancel(self):
@@ -558,7 +558,9 @@ class BuyingController(SubcontractingController):
 		if self.get("is_return"):
 			return
 
-		if self.doctype in ["Purchase Order", "Purchase Receipt"]:
+		if self.doctype in ["Purchase Order", "Purchase Receipt"] and not frappe.db.get_single_value(
+			"Buying Settings", "disable_last_purchase_rate"
+		):
 			update_last_purchase_rate(self, is_submit=0)
 
 		if self.doctype in ["Purchase Receipt", "Purchase Invoice"]:

erpnext/stock/doctype/item/item.py

@@ -279,7 +279,7 @@ class Item(Document):
 				frappe.throw(_("Row #{0}: Maximum Net Rate cannot be greater than Minimum Net Rate"))
 
 	def update_template_tables(self):
-		template = frappe.get_doc("Item", self.variant_of)
+		template = frappe.get_cached_doc("Item", self.variant_of)
 
 		# add item taxes from template
 		for d in template.get("taxes"):

erpnext/stock/get_item_details.py

@@ -813,6 +813,9 @@ def get_price_list_rate(args, item_doc, out=None):
 			flt(price_list_rate) * flt(args.plc_conversion_rate) / flt(args.conversion_rate)
 		)
 
+		if frappe.db.get_single_value("Buying Settings", "disable_last_purchase_rate"):
+			return out
+
 		if not out.price_list_rate and args.transaction_type == "buying":
 			from erpnext.stock.doctype.item.item import get_last_purchase_details