feat: In BOM, Operation time can be fix (backport #27063) (#31923)

* feat: In BOM Operation time can be fix (backport #27063)

* chore: only changes necessary for feature

* chore: add test

* chore: linter

* chore: linter

* chore: linter

* chore: fix date in json

* chore: fix test order

* chore: revert test from version-13 not develop

* chore: make test ok

erpnext/manufacturing/doctype/bom/test_records.json

@@ -162,5 +162,54 @@
   "item": "_Test Variant Item",
   "quantity": 1.0,
   "with_operations": 1
+ },
+ {
+  "operations": [
+   {
+    "operation": "_Test Operation 1",
+    "description": "_Test",
+    "workstation": "_Test Workstation 1",
+    "hour_rate": 100,
+    "time_in_mins": 60,
+    "operating_cost": 100
+   }
+   ],
+  "items": [
+   {
+    "amount": 5000.0,
+    "doctype": "BOM Item",
+    "item_code": "_Test Item",
+    "parentfield": "items",
+    "qty": 1.0,
+    "rate": 5000.0,
+    "uom": "_Test UOM",
+    "stock_uom": "_Test UOM",
+    "source_warehouse": "_Test Warehouse - _TC",
+    "include_item_in_manufacturing": 1
+   },
+   {
+    "amount": 3000.0,
+    "bom_no": "BOM-_Test Item Home Desktop Manufactured-001",
+    "doctype": "BOM Item",
+    "item_code": "_Test Item Home Desktop Manufactured",
+    "parentfield": "items",
+    "qty": 3.0,
+    "rate": 1000.0,
+    "uom": "_Test UOM",
+    "stock_uom": "_Test UOM",
+    "source_warehouse": "_Test Warehouse - _TC",
+    "include_item_in_manufacturing": 1
+   }
+  ],
+  "docstatus": 1,
+  "doctype": "BOM",
+  "is_active": 1,
+  "is_default": 1,
+  "currency": "USD",
+  "conversion_rate": 60,
+  "company": "_Test Company",
+  "item": "_Test FG Item 3",
+  "quantity": 1.0,
+  "with_operations": 1
  }
 ]

erpnext/manufacturing/doctype/bom_operation/bom_operation.json

@@ -11,6 +11,7 @@
   "col_break1",
   "workstation",
   "time_in_mins",
+  "fixed_time",
   "costing_section",
   "hour_rate",
   "base_hour_rate",
@@ -80,6 +81,14 @@
    "oldfieldtype": "Currency",
    "reqd": 1
   },
+  {
+   "default": "0",
+   "description": "Operation time does not depend on quantity to produce",
+   "fieldname": "fixed_time",
+   "fieldtype": "Check",
+   "in_list_view": 1,
+   "label": "Fixed Time"
+  },
   {
    "fieldname": "operating_cost",
    "fieldtype": "Currency",
@@ -177,7 +186,7 @@
  "index_web_pages_for_search": 1,
  "istable": 1,
  "links": [],
- "modified": "2022-04-08 01:18:33.547481",
+ "modified": "2022-08-22 01:18:33.547481",
  "modified_by": "Administrator",
  "module": "Manufacturing",
  "name": "BOM Operation",

erpnext/manufacturing/doctype/work_order/test_work_order.py

@@ -95,7 +95,7 @@ class TestWorkOrder(FrappeTestCase):
 
 	def test_planned_operating_cost(self):
 		wo_order = make_wo_order_test_record(
-			item="_Test FG Item 2", planned_start_date=now(), qty=1, do_not_save=True
+			item="_Test FG Item 3", planned_start_date=now(), qty=1, do_not_save=True
 		)
 		wo_order.set_work_order_operations()
 		cost = wo_order.planned_operating_cost
@@ -1001,6 +1001,49 @@ class TestWorkOrder(FrappeTestCase):
 			close_work_order(wo_order, "Closed")
 			self.assertEqual(wo_order.get("status"), "Closed")
 
+	def test_fix_time_operations(self):
+		bom = frappe.get_doc(
+			{
+				"doctype": "BOM",
+				"item": "_Test FG Item 2",
+				"is_active": 1,
+				"is_default": 1,
+				"quantity": 1.0,
+				"with_operations": 1,
+				"operations": [
+					{
+						"operation": "_Test Operation 1",
+						"description": "_Test",
+						"workstation": "_Test Workstation 1",
+						"time_in_mins": 60,
+						"operating_cost": 140,
+						"fixed_time": 1,
+					}
+				],
+				"items": [
+					{
+						"amount": 5000.0,
+						"doctype": "BOM Item",
+						"item_code": "_Test Item",
+						"parentfield": "items",
+						"qty": 1.0,
+						"rate": 5000.0,
+					},
+				],
+			}
+		)
+		bom.save()
+		bom.submit()
+
+		wo1 = make_wo_order_test_record(
+			item=bom.item, bom_no=bom.name, qty=1, skip_transfer=1, do_not_submit=1
+		)
+		wo2 = make_wo_order_test_record(
+			item=bom.item, bom_no=bom.name, qty=2, skip_transfer=1, do_not_submit=1
+		)
+
+		self.assertEqual(wo1.operations[0].time_in_mins, wo2.operations[0].time_in_mins)
+
 	def test_partial_manufacture_entries(self):
 		cancel_stock_entry = []
 
@@ -1015,7 +1058,6 @@ class TestWorkOrder(FrappeTestCase):
 		ste1 = test_stock_entry.make_stock_entry(
 			item_code="_Test Item", target="_Test Warehouse - _TC", qty=120, basic_rate=5000.0
 		)
-
 		ste2 = test_stock_entry.make_stock_entry(
 			item_code="_Test Item Home Desktop 100",
 			target="_Test Warehouse - _TC",

erpnext/manufacturing/doctype/work_order/work_order.py

@@ -653,20 +653,31 @@ class WorkOrder(Document):
 		"""Fetch operations from BOM and set in 'Work Order'"""
 
 		def _get_operations(bom_no, qty=1):
-			return frappe.db.sql(
+			data = frappe.get_all(
-				f"""select
+				"BOM Operation",
-						operation, description, workstation, idx,
+				filters={"parent": bom_no},
-						base_hour_rate as hour_rate, time_in_mins * {qty} as time_in_mins,
+				fields=[
-						"Pending" as status, parent as bom, batch_size, sequence_id
+					"operation",
-					from
+					"description",
-						`tabBOM Operation`
+					"workstation",
-					where
+					"idx",
-						parent = %s order by idx
+					"base_hour_rate as hour_rate",
-					""",
+					"time_in_mins",
-				bom_no,
+					"parent as bom",
-				as_dict=1,
+					"batch_size",
+					"sequence_id",
+					"fixed_time",
+				],
+				order_by="idx",
 			)
 
+			for d in data:
+				if not d.fixed_time:
+					d.time_in_mins = flt(d.time_in_mins) * flt(qty)
+				d.status = "Pending"
+
+			return data
+
 		self.set("operations", [])
 		if not self.bom_no or not frappe.get_cached_value("BOM", self.bom_no, "with_operations"):
 			return
@@ -692,6 +703,7 @@ class WorkOrder(Document):
 
 	def calculate_time(self):
 		for d in self.get("operations"):
+			if not d.fixed_time:
 				d.time_in_mins = flt(d.time_in_mins) * (flt(self.qty) / flt(d.batch_size))
 
 		self.calculate_operating_cost()

erpnext/stock/doctype/item/test_records.json

@@ -272,6 +272,28 @@
     "income_account": "Sales - _TC"
   }]
  },
+ {
+  "description": "_Test FG Item 3 11",
+  "doctype": "Item",
+  "has_batch_no": 0,
+  "has_serial_no": 0,
+  "inspection_required": 0,
+  "is_stock_item": 1,
+  "is_sub_contracted_item": 1,
+  "item_code": "_Test FG Item 3",
+  "item_group": "_Test Item Group Desktops",
+  "item_name": "_Test FG Item 3",
+  "stock_uom": "_Test UOM",
+  "gst_hsn_code": "999800",
+  "item_defaults": [{
+    "company": "_Test Company",
+    "default_warehouse": "_Test Warehouse - _TC",
+    "expense_account": "_Test Account Cost for Goods Sold - _TC",
+    "buying_cost_center": "_Test Cost Center - _TC",
+    "selling_cost_center": "_Test Cost Center - _TC",
+    "income_account": "Sales - _TC"
+  }]
+ },
  {
   "description": "_Test Variant Item 12",
   "doctype": "Item",