feat: over transfer allowance for material transfers

erpnext/stock/doctype/material_request/material_request.py

@@ -162,8 +162,15 @@ class MaterialRequest(BuyingController):
 						from `tabStock Entry Detail` where material_request = %s
 						and material_request_item = %s and docstatus = 1""",
 						(self.name, d.name))[0][0])
+					mr_qty_allowance = frappe.db.get_single_value('Stock Settings', 'mr_qty_allowance')
 
-					if d.ordered_qty and d.ordered_qty > d.stock_qty:
+					if mr_qty_allowance:
+						allowed_qty = d.qty + (d.qty * (mr_qty_allowance/100))
+						if d.ordered_qty and d.ordered_qty > allowed_qty:
+							frappe.throw(_("The total Issue / Transfer quantity {0} in Material Request {1}  \
+								cannot be greater than allowed requested quantity {2} for Item {3}").format(d.ordered_qty, d.parent, allowed_qty, d.item_code))
+
+					elif d.ordered_qty and d.ordered_qty > d.stock_qty:
 						frappe.throw(_("The total Issue / Transfer quantity {0} in Material Request {1}  \
 							cannot be greater than requested quantity {2} for Item {3}").format(d.ordered_qty, d.parent, d.qty, d.item_code))
 

erpnext/stock/doctype/stock_settings/stock_settings.json

@@ -18,6 +18,7 @@
   "section_break_9",
   "over_delivery_receipt_allowance",
   "role_allowed_to_over_deliver_receive",
+  "mr_qty_allowance",
   "column_break_12",
   "auto_insert_price_list_rate_if_missing",
   "allow_negative_stock",
@@ -283,6 +284,12 @@
    "fieldtype": "Select",
    "label": "Action If Quality Inspection Is Rejected",
    "options": "Stop\nWarn"
+  },
+  {
+   "description": "The percentage you are allowed to transfer more against the quantity ordered. For example, if you have ordered 100 units, and your Allowance is 10%, then you are allowed transfer 110 units.",
+   "fieldname": "mr_qty_allowance",
+   "fieldtype": "Float",
+   "label": "Over Transfer Allowance"
   }
  ],
  "icon": "icon-cog",
@@ -290,7 +297,7 @@
  "index_web_pages_for_search": 1,
  "issingle": 1,
  "links": [],
- "modified": "2021-07-10 16:17:42.159829",
+ "modified": "2021-06-28 17:02:26.683002",
  "modified_by": "Administrator",
  "module": "Stock",
  "name": "Stock Settings",
@@ -310,4 +317,4 @@
  "sort_field": "modified",
  "sort_order": "ASC",
  "track_changes": 1
-}
+}