feat: provision to close the Work Order
diff --git a/erpnext/manufacturing/doctype/work_order/work_order.js b/erpnext/manufacturing/doctype/work_order/work_order.js
index 51c46f6..d423573 100644
--- a/erpnext/manufacturing/doctype/work_order/work_order.js
+++ b/erpnext/manufacturing/doctype/work_order/work_order.js
@@ -135,24 +135,26 @@
 			frm.set_intro(__("Submit this Work Order for further processing."));
 		}
 
-		if (frm.doc.docstatus===1) {
-			frm.trigger('show_progress_for_items');
-			frm.trigger('show_progress_for_operations');
-		}
+		if (frm.doc.status != "Closed") {
+			if (frm.doc.docstatus===1) {
+				frm.trigger('show_progress_for_items');
+				frm.trigger('show_progress_for_operations');
+			}
 
-		if (frm.doc.docstatus === 1
-			&& frm.doc.operations && frm.doc.operations.length) {
+			if (frm.doc.docstatus === 1
+				&& frm.doc.operations && frm.doc.operations.length) {
 
-			const not_completed = frm.doc.operations.filter(d => {
-				if(d.status != 'Completed') {
-					return true;
+				const not_completed = frm.doc.operations.filter(d => {
+					if(d.status != 'Completed') {
+						return true;
+					}
+				});
+
+				if(not_completed && not_completed.length) {
+					frm.add_custom_button(__('Create Job Card'), () => {
+						frm.trigger("make_job_card");
+					}).addClass('btn-primary');
 				}
-			});
-
-			if(not_completed && not_completed.length) {
-				frm.add_custom_button(__('Create Job Card'), () => {
-					frm.trigger("make_job_card");
-				}).addClass('btn-primary');
 			}
 		}
 
@@ -517,14 +519,19 @@
 erpnext.work_order = {
 	set_custom_buttons: function(frm) {
 		var doc = frm.doc;
-		if (doc.docstatus === 1) {
+		if (doc.docstatus === 1 && doc.status != "Closed") {
+			console.log("check");
+			frm.add_custom_button(__('Close'), function() {
+				erpnext.work_order.change_work_order_status(frm, "Closed");
+			}, __("Status"));
+
 			if (doc.status != 'Stopped' && doc.status != 'Completed') {
 				frm.add_custom_button(__('Stop'), function() {
-					erpnext.work_order.stop_work_order(frm, "Stopped");
+					erpnext.work_order.change_work_order_status(frm, "Stopped");
 				}, __("Status"));
 			} else if (doc.status == 'Stopped') {
 				frm.add_custom_button(__('Re-open'), function() {
-					erpnext.work_order.stop_work_order(frm, "Resumed");
+					erpnext.work_order.change_work_order_status(frm, "Resumed");
 				}, __("Status"));
 			}
 
@@ -713,9 +720,10 @@
 		});
 	},
 
-	stop_work_order: function(frm, status) {
+	change_work_order_status: function(frm, status) {
+		let method_name = status=="Closed" ? "close_work_order" : "stop_unstop";
 		frappe.call({
-			method: "erpnext.manufacturing.doctype.work_order.work_order.stop_unstop",
+			method: `erpnext.manufacturing.doctype.work_order.work_order.${method_name}`,
 			freeze: true,
 			freeze_message: __("Updating Work Order status"),
 			args: {
diff --git a/erpnext/manufacturing/doctype/work_order/work_order.json b/erpnext/manufacturing/doctype/work_order/work_order.json
index 7f8e816..df7ee53 100644
--- a/erpnext/manufacturing/doctype/work_order/work_order.json
+++ b/erpnext/manufacturing/doctype/work_order/work_order.json
@@ -99,7 +99,7 @@
    "no_copy": 1,
    "oldfieldname": "status",
    "oldfieldtype": "Select",
-   "options": "\nDraft\nSubmitted\nNot Started\nIn Process\nCompleted\nStopped\nCancelled",
+   "options": "\nDraft\nSubmitted\nNot Started\nIn Process\nCompleted\nStopped\nClosed\nCancelled",
    "read_only": 1,
    "reqd": 1,
    "search_index": 1
@@ -573,7 +573,8 @@
  "image_field": "image",
  "is_submittable": 1,
  "links": [],
- "modified": "2021-10-27 19:21:35.139888",
+ "migration_hash": "a18118963f4fcdb7f9d326de5f4063ba",
+ "modified": "2021-10-29 15:12:32.203605",
  "modified_by": "Administrator",
  "module": "Manufacturing",
  "name": "Work Order",
diff --git a/erpnext/manufacturing/doctype/work_order/work_order.py b/erpnext/manufacturing/doctype/work_order/work_order.py
index f881e1b..6901d71 100644
--- a/erpnext/manufacturing/doctype/work_order/work_order.py
+++ b/erpnext/manufacturing/doctype/work_order/work_order.py
@@ -175,7 +175,7 @@
 
 	def update_status(self, status=None):
 		'''Update status of work order if unknown'''
-		if status != "Stopped":
+		if status != "Stopped" and status != "Closed":
 			status = self.get_status(status)
 
 		if status != self.status:
@@ -624,7 +624,6 @@
 	def validate_operation_time(self):
 		for d in self.operations:
 			if not d.time_in_mins > 0:
-				print(self.bom_no, self.production_item)
 				frappe.throw(_("Operation Time must be greater than 0 for Operation {0}").format(d.operation))
 
 	def update_required_items(self):
@@ -967,6 +966,10 @@
 		frappe.throw(_("Not permitted"), frappe.PermissionError)
 
 	pro_order = frappe.get_doc("Work Order", work_order)
+
+	if pro_order.status == "Closed":
+		frappe.throw(_("Closed Work Order can not be stopped or Re-opened"))
+
 	pro_order.update_status(status)
 	pro_order.update_planned_qty()
 	frappe.msgprint(_("Work Order has been {0}").format(status))
@@ -1001,6 +1004,30 @@
 			if row.job_card_qty > 0:
 				create_job_card(work_order, row, auto_create=True)
 
+@frappe.whitelist()
+def close_work_order(work_order, status):
+	if not frappe.has_permission("Work Order", "write"):
+		frappe.throw(_("Not permitted"), frappe.PermissionError)
+
+	work_order = frappe.get_doc("Work Order", work_order)
+	if work_order.get("operations"):
+		job_cards = frappe.get_list("Job Card", 
+				filters={
+					"work_order": work_order.name,
+					"status": "Work In Progress"
+			},
+			pluck='name')
+
+		if job_cards:
+			job_cards = ", ".join(job_cards)
+			frappe.throw(_("Can not close Work Order. Since {0} Job Cards are in Work In Progress state.").format(job_cards))
+
+	work_order.update_status(status)
+	work_order.update_planned_qty()
+	frappe.msgprint(_("Work Order has been {0}").format(status))
+	work_order.notify_update()
+	return work_order.status
+
 def split_qty_based_on_batch_size(wo_doc, row, qty):
 	if not cint(frappe.db.get_value("Operation",
 		row.operation, "create_job_card_based_on_batch_size")):