public static IEnumerable <T> Apply <T>(this AplhaNumericFilter keyValuePairs, IEnumerable <T> source, IEnumerable <T> destination, params Func <T, string>[] selectors)
{
if (destination == null)
{
destination = source.ToList();
}
if (keyValuePairs.Any(x => x.Value > 0))
{
destination = source.Where(x =>
{
var result = 0;
foreach (var selector in selectors)
{
var prop = selector(x);
var value = keyValuePairs.ContainsKey(prop[0].ToString()) ? keyValuePairs[prop[0].ToString()] : 0;
result += value;
}
return(result > 0);
});
keyValuePairs.Build();
}
var allKey = $"{keyValuePairs.BindPrefix}[All]";
if (keyValuePairs.ContainsKey(allKey) && keyValuePairs[allKey] > 0)
{
destination = source.ToList();
}
return(destination);
}
