public static bool IsValid <T>(this IGridifyFiltering filtering, IGridifyMapper <T>?mapper = null)
{
if (string.IsNullOrWhiteSpace(filtering.Filter))
{
return(true);
}
try
{
var parser = new Parser(filtering.Filter !, GridifyGlobalConfiguration.CustomOperators.Operators);
var syntaxTree = parser.Parse();
if (syntaxTree.Diagnostics.Any())
{
return(false);
}
var fieldExpressions = syntaxTree.Root.Descendants()
.Where(q => q.Kind is SyntaxKind.FieldExpression)
.Cast <FieldExpressionSyntax>().ToList();
mapper ??= new GridifyMapper <T>(true);
if (fieldExpressions.Any(field => !mapper.HasMap(field.FieldToken.Text)))
{
return(false);
}
}
catch (Exception)
{
return(false);
}
return(true);
}
public static bool IsValid <T>(this IGridifyOrdering ordering, IGridifyMapper <T>?mapper = null)
{
if (string.IsNullOrWhiteSpace(ordering.OrderBy))
{
return(true);
}
try
{
var orders = ParseOrderings(ordering.OrderBy !).ToList();
mapper ??= new GridifyMapper <T>(true);
if (orders.Any(order => !mapper.HasMap(order.MemberName)))
{
return(false);
}
}
catch (Exception)
{
return(false);
}
return(true);
}