Restrict User Based On Child Record

// restrict certain warehouse to Material Manager cur_frm.cscript.custom_validate = function(doc) { if(frappe.user_roles.indexOf("Material Manager")==-1) {

var restricted_in_source = frappe.model.get_list("Stock Entry Detail", {parent:cur_frm.doc.name, s_warehouse:"Restricted"});

var restricted_in_target = frappe.model.get_list("Stock Entry Detail", {parent:cur_frm.doc.name, t_warehouse:"Restricted"})

if(restricted_in_source.length || restricted_in_target.length) { frappe.msgprint(__("Only Material Manager can make entry in Restricted Warehouse")); validated = false; } } }