Merge pull request #49923 from rohitwaghchaure/fixed-recalculate-batch-qty

feat: recalculate batch qty

erpnext/stock/doctype/batch/batch.js

@@ -22,6 +22,17 @@ frappe.ui.form.on("Batch", {
 				frappe.set_route("query-report", "Stock Ledger");
 			});
 			frm.trigger("make_dashboard");
+
+			frm.add_custom_button(__("Recalculate Batch Qty"), () => {
+				frm.call({
+					method: "recalculate_batch_qty",
+					doc: frm.doc,
+					freeze: true,
+					callback: () => {
+						frm.reload_doc();
+					},
+				});
+			});
 		}
 	},
 	item: (frm) => {

erpnext/stock/doctype/batch/batch.py

@@ -156,6 +156,17 @@ class Batch(Document):
 		if frappe.db.get_value("Item", self.item, "has_batch_no") == 0:
 			frappe.throw(_("The selected item cannot have Batch"))
 
+	@frappe.whitelist()
+	def recalculate_batch_qty(self):
+		batches = get_batch_qty(batch_no=self.name, item_code=self.item)
+		batch_qty = 0.0
+		if batches:
+			for row in batches:
+				batch_qty += row.get("qty")
+
+		self.db_set("batch_qty", batch_qty)
+		frappe.msgprint(_("Batch Qty updated to {0}").format(batch_qty), alert=True)
+
 	def set_batchwise_valuation(self):
 		from erpnext.stock.utils import get_valuation_method