public static Expression <Func <T, bool> > MakePropertiesPredicate <T, TValue>(Expression <Func <TValue, TValue, bool> > pattern, TValue searchValue, bool isOr)
{
var parameter = Expression.Parameter(typeof(T), "e");
var searchExpr = Expression.Constant(searchValue);
var predicateBody = typeof(T).GetProperties()
.Where(p => p.PropertyType == typeof(TValue))
.Select(p =>
ExpressionReplacer.GetBody(pattern, Expression.MakeMemberAccess(
parameter, p), searchExpr))
.Aggregate(isOr ? Expression.OrElse : Expression.AndAlso);
return(Expression.Lambda <Func <T, bool> >(predicateBody, parameter));
}
