updateChildIncidents();

function updateChildIncidents() {
	if (current.state.changesTo(IncidentState.RESOLVED))
		{
		resolveChildIncidents();
		}
	else if (current.state.changesTo(IncidentState.CLOSED))
		{
		closeChildIncidents();
		}
	else {
		
		var fields = [];
		var value;
		
		if (current.comments.changes()) {
			value = deriveFieldValue('comments', gs.getMessage('Comment copied from Parent Incident'));
			
			if (value && value != "")
				fields.push({name: 'comments', value: value});
		}
		
		if (current.work_notes.changes()) {
			value = deriveFieldValue('work_notes', gs.getMessage('Work note copied from Parent Incident'));
			
			if (value && value != "")
				fields.push({name: 'work_notes', value: value});
		}
		
		updateChildren(fields);
	}
}

function deriveFieldValue(fieldName, msg) {
	
	var fieldRawValue = current.getValue(fieldName) + '';
	var fieldValue = fieldRawValue.trim();
	
	if (fieldValue && fieldValue.length > 0) {
		
		if (fieldRawValue.indexOf(msg) == 0)
			return (fieldRawValue);
		else
			return (msg + ": " + fieldRawValue);
	}
	
	return;
}

function updateChildren(fields) {
	
	if (fields.length < 1)
		return;

	var rec = new GlideRecord("incident");
	rec.addQuery("parent_incident", current.sys_id);
	rec.addQuery("state", "!=", IncidentState.RESOLVED);
	rec.addActiveQuery();
	rec.query();
	
	while (rec.next()) {

		for (var i = 0; i < fields.length; i++) {
			rec[fields[i].name] = fields[i].value;
		}
		
		rec.update();
	}
}

//
// Resolve active, unresolved incidents that are children of the current incident
//
function resolveChildIncidents() {
    //check if update is valid or aborted before updating child incidents
	if(current.isActionAborted())
		return;

	var incident = new GlideRecord("incident");
	incident.addActiveQuery();
	incident.addQuery("parent_incident", current.sys_id);
	incident.addQuery("state", "!=", IncidentState.RESOLVED);
	incident.query();
	var msg = "";
	while (incident.next()) {
		gs.print("Incident " + incident.number + ' resolved based on resolution of Parent Incident ' + current.number);
		incident.state = IncidentState.RESOLVED;
		if (incident.close_notes.nil()) {
			msg = gs.getMessage('{0} copied from Parent Incident', current.close_notes.getLabel());
			if (current.close_notes.toString().indexOf(msg) == 0)
				incident.close_notes = current.close_notes;
			else
				incident.close_notes = msg + ": " + current.close_notes;
		}
		if(incident.isValidField("close_code"))
			incident.close_code = current.close_code;
		msg = gs.getMessage("Resolved based on resolution of Parent Incident.");
		if (current.comments.toString().indexOf(msg) == 0)
			incident.comments = current.comments;
		else
			incident.comments = msg + " " + current.comments;
		incident.work_notes = current.work_notes;
		//add new code here to set assignment group and assigned to

        incident.assignment_group = current.assignment_group;
		incident.assigned_to = current.assigned_to;
		incident.update();
	}
}

function closeChildIncidents() {
    //check if update is valid or aborted before updating child incidents
	if(current.isActionAborted())
		return;

	var incident = new GlideRecord("incident");
	incident.addActiveQuery();
	incident.addQuery("parent_incident", current.sys_id);
	incident.addQuery("state", "!=", IncidentState.CLOSED);
	incident.query();
	var msg = "";
	while (incident.next()) {
		gs.print("Incident " + incident.number + ' closed based on resolution of Parent Incident ' + current.number);
		incident.state = IncidentState.CLOSED;
		if (incident.close_notes.nil()) {
			msg = gs.getMessage('{0} copied from Parent Incident', current.close_notes.getLabel());
			if (current.close_notes.toString().indexOf(msg) == 0)
				incident.close_notes = current.close_notes;
			else
				incident.close_notes = msg + ": " + current.close_notes;
		}
		if(incident.isValidField("close_code"))
			incident.close_code = current.close_code;
		msg = gs.getMessage("Closed based on resolution of Parent Incident.");
		if (current.comments.toString().indexOf(msg) == 0)
			incident.comments = current.comments;
		else
			incident.comments = msg + " " + current.comments + " : " + current.number;
		incident.work_notes = current.work_notes;
		//add new code here to set assignment group and assigned to

        incident.assignment_group = current.assignment_group;
		incident.assigned_to = current.assigned_to;
		incident.update();
	}
}