/// <summary>
/// Wraps <see cref="ResolveFieldContextExtensions.GetArgument{TType}"/> to validate the resulting argument instance.
/// Uses <see cref="IValidator.ValidateAsync(ValidationContext,CancellationToken)"/> to perform validation.
/// If a <see cref="ValidationException"/> it will be converted <see cref="ExecutionError"/>s by a field middleware.
/// </summary>
public static async Task <object> GetValidatedArgumentAsync(this IResolveFieldContext context, Type argumentType, string name, object?defaultValue = null)
{
Guard.AgainstNull(context, nameof(context));
var argument = context.GetArgument(argumentType, name, defaultValue);
var validatorCache = context.GetCache();
await ArgumentValidation.ValidateAsync(validatorCache, argumentType, argument, context.UserContext);
return(argument);
}
/// <summary>
/// Wraps <see cref="ResolveFieldContextExtensions.GetArgument{TType}"/> to validate the resulting argument instance.
/// Uses <see cref="IValidator.ValidateAsync(ValidationContext,CancellationToken)"/> to perform validation.
/// If a <see cref="ValidationException"/> it will be converted <see cref="ExecutionError"/>s by a field middleware.
/// </summary>
public static async Task <TArgument> GetValidatedArgumentAsync <TArgument>(this IResolveFieldContext context, string name, TArgument defaultValue = default)
{
Guard.AgainstNull(context, nameof(context));
var argument = context.GetArgument(name, defaultValue);
var validatorCache = context.GetCache();
await ArgumentValidation.ValidateAsync(validatorCache, typeof(TArgument), argument, context.UserContext);
return(argument);
}
