chore: Fetch RFQs in Get Items from RFQ based on Supplier selected

- Rfq will appear only if selected supplier is in the RFQ

erpnext/buying/doctype/request_for_quotation/request_for_quotation.py

@@ -354,3 +354,31 @@ def get_supplier_tag():
 		frappe.cache().hset("Supplier", "Tags", tags)
 
 	return frappe.cache().hget("Supplier", "Tags")
+
+@frappe.whitelist()
+@frappe.validate_and_sanitize_search_inputs
+def get_rfq_containing_supplier(doctype, txt, searchfield, start, page_len, filters):
+	conditions = ""
+	if txt:
+		conditions += "and rfq.name like '%%"+txt+"%%' "
+
+	if filters.get("transaction_date"):
+		conditions += "and rfq.transaction_date = '{0}'".format(filters.get("transaction_date"))
+
+	rfq_data = frappe.db.sql("""
+		select
+			distinct rfq.name, rfq.transaction_date,
+			rfq.company
+		from
+			`tabRequest for Quotation` rfq, `tabRequest for Quotation Supplier` rfq_supplier
+		where
+			rfq.name = rfq_supplier.parent
+			and rfq_supplier.supplier = '{0}'
+			and rfq.docstatus = 1
+			and rfq.company = '{1}'
+			{2}
+		order by rfq.transaction_date ASC
+		limit {3} offset {4} """ \
+		.format(filters.get("supplier"), filters.get("company"), conditions, page_len, start), as_dict=1)
+
+	return rfq_data

erpnext/buying/doctype/supplier_quotation/supplier_quotation.js

@@ -62,8 +62,10 @@ erpnext.buying.SupplierQuotationController = erpnext.buying.BuyingController.ext
 						transaction_date: null
 					},
 					get_query_filters: {
-						docstatus: 1,
+						supplier: me.frm.doc.supplier
-					}
+					},
+					get_query_method: "erpnext.buying.doctype.request_for_quotation.request_for_quotation.get_rfq_containing_supplier"
+
 				})
 			}, __("Get items from"));
 		}