/// <summary>
/// Generates an OData filter from a specified Linq expression.
/// </summary>
/// <typeparam name="T">Filter type.</typeparam>
/// <param name="filter">Entity to use for filter generation.</param>
/// <returns></returns>
public static string Generate <T>(Expression <Func <T, bool> > filter)
{
UrlExpressionVisitor visitor = new UrlExpressionVisitor();
visitor.Visit(filter);
return(visitor.ToString());
}
/// <summary>
/// Generates an OData filter from a specified Linq expression.
/// </summary>
/// <typeparam name="T">Filter type.</typeparam>
/// <param name="filter">Entity to use for filter generation.</param>
/// <param name="skipNullFilterParameters">Value indicating whether null values should be skipped.</param>
/// <returns></returns>
public static string Generate <T>(Expression <Func <T, bool> > filter, bool skipNullFilterParameters)
{
if (filter == null || !filter.Parameters.Any())
{
return(string.Empty);
}
var visitor = new UrlExpressionVisitor(filter.Parameters.First(), skipNullFilterParameters);
visitor.Visit(filter);
return(visitor.ToString());
}