FruitBank/Presentation/Nop.Web.Framework/Validators/RuleBuilderOptionsExtension.cs

using FluentValidation;

namespace Nop.Web.Framework.Validators;

public static class RuleBuilderOptionsExtension
{
    public static IRuleBuilderOptions<T, TProperty> WithMessageAwait<T, TProperty>(
        this IRuleBuilderOptions<T, TProperty> rule, Task<string> errorMessage)
    {
        return rule.WithMessage(errorMessage.Result);
    }

    public static IRuleBuilderOptions<T, TProperty> WithMessageAwait<T, TProperty>(
        this IRuleBuilderOptions<T, TProperty> rule, Func<Task<string>> errorMessage)
    {
        return rule.WithMessage(errorMessage().Result);
    }

    public static IRuleBuilderOptions<T, TProperty> WithMessageAwait<T, TProperty>(
        this IRuleBuilderOptions<T, TProperty> rule, Task<string> errorMessage, params object[] args)
    {
        return rule.WithMessage(string.Format(errorMessage.Result, args));
    }

    public static IRuleBuilderOptions<T, TProperty> MustAwait<T, TProperty>(this IRuleBuilder<T, TProperty> ruleBuilder,
        Func<T, TProperty, Task<bool>> predicate)
    {
        return ruleBuilder.Must((x, context) => predicate(x, context).Result);
    }

    public static IRuleBuilderOptions<T, TProperty> WhenAwait<T, TProperty>(this IRuleBuilderOptions<T, TProperty> rule,
        Func<T, Task<bool>> predicate, ApplyConditionTo applyConditionTo = ApplyConditionTo.AllValidators)
    {
        return rule.When((x) => predicate(x).Result, applyConditionTo);
    }
}