30 lines
939 B
C#
30 lines
939 B
C#
using FluentValidation;
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using MediatR;
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using System.Collections.Generic;
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using System.Linq;
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using System.Threading;
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using System.Threading.Tasks;
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namespace Mirea.Api.DataAccess.Application.Common.Behaviors;
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public class ValidationBehavior<TRequest, TResponse>(IEnumerable<IValidator<TRequest>> validators)
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: IPipelineBehavior<TRequest, TResponse> where TRequest : IRequest<TResponse>
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{
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public Task<TResponse> Handle(TRequest request,
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RequestHandlerDelegate<TResponse> next, CancellationToken cancellationToken)
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{
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var context = new ValidationContext<TRequest>(request);
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var failures = validators
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.Select(v => v.Validate(context))
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.SelectMany(result => result.Errors)
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.Where(failure => failure != null)
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.ToList();
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if (failures.Count != 0)
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{
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throw new ValidationException(failures);
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}
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return next();
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}
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} |