private string BuildFilter(List <string> filters)
{
if (_filter.Count == 0)
{
return("{}");
}
else
{
var filter = string.Join(",", filters);
var condition = "$and";
if (_filter.First().Condition == FilterCondition.OR)
{
condition = "$or";
}
return(string.Format("{{ {0} : [{1}] }}", condition, filter));
}
}
