def format_data(app, data):
    def get_value(key, value):
        if isinstance(value, dict):
            return {k: get_value(k, v) for k, v in value.items()}

        if isinstance(value, (date, datetime)):
            return value.isoformat()

        if key in ['memberstatus', 'order_type']:
            return next((opt.text
                         for opt in limetype.get_property(key).options
                         if opt.key == value), '')

        return value

    limetype = app.limetypes.helpdesk
    res = []
    for obj in data['objects']:
        res.append({
            key: get_value(key, value) for key, value in obj.items()
        })
    return res