/// <summary>
/// Validates the member (field or property) using the expressions (compiled and cached statically by runtime). This should work for the medium trust environments (i.e.: ASP.NET MVC).
/// </summary>
/// <typeparam name="TModel">The type of the model.</typeparam>
/// <typeparam name="TMember">The type of the member.</typeparam>
/// <param name="parentScope">The parent scope.</param>
/// <param name="model">The model to validate.</param>
/// <param name="memberAccessor">The member accessor expression.</param>
/// <param name="rules">The rules.</param>
public static void Validate <TModel, TMember>(this IScope parentScope, TModel model, Expression <Func <TModel, TMember> > memberAccessor, params Rule <TMember>[] rules)
{
if (parentScope == null)
{
throw new ArgumentNullException("parentScope");
}
if (memberAccessor == null)
{
throw new ArgumentNullException("memberAccessor");
}
var info = Express.MemberWithLambda(memberAccessor);
using (var scope = parentScope.Create(info.Name))
{
scope.CheckObject(TypeCache <TModel> .GetMemberValue(model, memberAccessor), rules);
}
}
/// <summary>
/// Validates some <see cref="IEnumerable{T}"/> member using the provided <paramref name="parentScope"/>.
/// This variant uses expressions (compiled and statically cached for the performance).
/// </summary>
/// <typeparam name="TModel">The type of the model.</typeparam>
/// <typeparam name="TMember">The type of the member.</typeparam>
/// <param name="parentScope">The parent scope.</param>
/// <param name="model">The model to validate.</param>
/// <param name="memberAccessor">The member accessor.</param>
/// <param name="rules">The rules to run.</param>
public static void ValidateMany <TModel, TMember>(this IScope parentScope, TModel model, Expression <Func <TModel, IEnumerable <TMember> > > memberAccessor,
params Rule <TMember>[] rules)
{
if (parentScope == null)
{
throw new ArgumentNullException("parentScope");
}
if (memberAccessor == null)
{
throw new ArgumentNullException("memberAccessor");
}
// item can be null, it will be checked by the validation
var info = Express.MemberWithLambda(memberAccessor);
using (var scope = parentScope.Create(info.Name))
{
scope.ValidateInScope(TypeCache <TModel> .GetMemberValue(model, memberAccessor), rules);
}
}
