From c9d03d049c57fdd41af00ea28fe292f511d41ec5 Mon Sep 17 00:00:00 2001
From: Smit Vora <smitvora203@gmail.com>
Date: Wed, 25 Mar 2026 16:49:58 +0530
Subject: [PATCH] fix: disassembly prompt with source stock entry field

(cherry picked from commit 68e97808c566cbb34716f1b9dee4820f8d9c28a9)

# Conflicts:
#	erpnext/manufacturing/doctype/work_order/work_order.py
---
 .../doctype/work_order/work_order.js          | 63 ++++++++++++++++++-
 .../doctype/work_order/work_order.py          | 28 +++++++++
 2 files changed, 88 insertions(+), 3 deletions(-)

diff --git a/erpnext/manufacturing/doctype/work_order/work_order.js b/erpnext/manufacturing/doctype/work_order/work_order.js
index 7a964a76231..0e8729bf4ba 100644
--- a/erpnext/manufacturing/doctype/work_order/work_order.js
+++ b/erpnext/manufacturing/doctype/work_order/work_order.js
@@ -441,7 +441,7 @@ frappe.ui.form.on("Work Order", {
 
 	make_disassembly_order(frm) {
 		erpnext.work_order
-			.show_prompt_for_qty_input(frm, "Disassemble")
+			.show_disassembly_prompt(frm)
 			.then((data) => {
 				if (flt(data.qty) <= 0) {
 					frappe.msgprint(__("Disassemble Qty cannot be less than or equal to <b>0</b>."));
@@ -451,11 +451,14 @@ frappe.ui.form.on("Work Order", {
 					work_order_id: frm.doc.name,
 					purpose: "Disassemble",
 					qty: data.qty,
+					source_stock_entry: data.source_stock_entry,
 				});
 			})
 			.then((stock_entry) => {
-				frappe.model.sync(stock_entry);
-				frappe.set_route("Form", stock_entry.doctype, stock_entry.name);
+				if (stock_entry) {
+					frappe.model.sync(stock_entry);
+					frappe.set_route("Form", stock_entry.doctype, stock_entry.name);
+				}
 			});
 	},
 
@@ -1002,6 +1005,60 @@ erpnext.work_order = {
 		return flt(max, precision("qty"));
 	},
 
+	show_disassembly_prompt: function (frm) {
+		let max_qty = flt(frm.doc.produced_qty - frm.doc.disassembled_qty);
+
+		let fields = [
+			{
+				fieldtype: "Link",
+				label: __("Source Manufacture Entry"),
+				fieldname: "source_stock_entry",
+				options: "Stock Entry",
+				description: __("Optional. Select a specific manufacture entry to reverse."),
+				get_query: () => {
+					return {
+						filters: {
+							work_order: frm.doc.name,
+							purpose: "Manufacture",
+							docstatus: 1,
+						},
+					};
+				},
+				onchange: async function () {
+					if (!frm.disassembly_prompt) return;
+
+					let se_name = this.value;
+					let qty = max_qty;
+					if (se_name) {
+						qty = await frappe.xcall(
+							"erpnext.manufacturing.doctype.work_order.work_order.get_disassembly_available_qty",
+							{ stock_entry_name: se_name }
+						);
+					}
+
+					frm.disassembly_prompt.set_value("qty", qty);
+					frm.disassembly_prompt.fields_dict.qty.set_description(__("Max: {0}", [qty]));
+				},
+			},
+			{
+				fieldtype: "Float",
+				label: __("Qty for {0}", [__("Disassemble")]),
+				fieldname: "qty",
+				description: __("Max: {0}", [max_qty]),
+				default: max_qty,
+			},
+		];
+
+		return new Promise((resolve, reject) => {
+			frm.disassembly_prompt = frappe.prompt(
+				fields,
+				(data) => resolve(data),
+				__("Disassemble"),
+				__("Create")
+			);
+		});
+	},
+
 	show_prompt_for_qty_input: function (frm, purpose, qty, additional_transfer_entry) {
 		let max = !additional_transfer_entry ? this.get_max_transferable_qty(frm, purpose) : qty;
 
diff --git a/erpnext/manufacturing/doctype/work_order/work_order.py b/erpnext/manufacturing/doctype/work_order/work_order.py
index 72fafa03edd..9b6f95f25df 100644
--- a/erpnext/manufacturing/doctype/work_order/work_order.py
+++ b/erpnext/manufacturing/doctype/work_order/work_order.py
@@ -2376,6 +2376,7 @@ def make_stock_entry(
 	qty: float | None = None,
 	target_warehouse: str | None = None,
 	is_additional_transfer_entry: bool = False,
+	source_stock_entry: str | None = None,
 ):
 	work_order = frappe.get_doc("Work Order", work_order_id)
 	if not frappe.db.get_value("Warehouse", work_order.wip_warehouse, "is_group"):
@@ -2416,6 +2417,8 @@ def make_stock_entry(
 	if purpose == "Disassemble":
 		stock_entry.from_warehouse = work_order.fg_warehouse
 		stock_entry.to_warehouse = target_warehouse or work_order.source_warehouse
+		if source_stock_entry:
+			stock_entry.source_stock_entry = source_stock_entry
 
 	stock_entry.set_stock_entry_type()
 	stock_entry.is_additional_transfer_entry = is_additional_transfer_entry
@@ -2429,7 +2432,32 @@ def make_stock_entry(
 
 
 @frappe.whitelist()
+<<<<<<< HEAD
 def get_default_warehouse(company):
+=======
+def get_disassembly_available_qty(stock_entry_name: str) -> float:
+	se = frappe.db.get_value("Stock Entry", stock_entry_name, ["fg_completed_qty"], as_dict=True)
+	if not se:
+		return 0.0
+
+	already_disassembled = flt(
+		frappe.db.get_value(
+			"Stock Entry",
+			{
+				"source_stock_entry": stock_entry_name,
+				"purpose": "Disassemble",
+				"docstatus": 1,
+			},
+			[{"SUM": "fg_completed_qty"}],
+		)
+	)
+
+	return flt(se.fg_completed_qty) - already_disassembled
+
+
+@frappe.whitelist()
+def get_default_warehouse(company: str):
+>>>>>>> 68e97808c5 (fix: disassembly prompt with source stock entry field)
 	wip, fg, scrap = frappe.get_cached_value(
 		"Company", company, ["default_wip_warehouse", "default_fg_warehouse", "default_scrap_warehouse"]
 	)