fix save product validation

src/Application/Behaviors/LoggingBehavior.cs

@@ -1,28 +1,27 @@
 using Elysian.Application.Interfaces;
+using MediatR;
 using MediatR.Pipeline;
 using Microsoft.Extensions.Logging;
 using System.Threading;
 using System.Threading.Tasks;
 
 namespace Elysian.Application.Behaviors
 {
-    public class LoggingBehavior<TRequest>(
+    public class LoggingBehavior<TRequest, TResponse>(
         ILogger<TRequest> logger, IClaimsPrincipalAccessor claimsPrincipalAccessor)
-       : IRequestPreProcessor<TRequest>
+         : IPipelineBehavior<TRequest, TResponse>
         where TRequest : notnull
     {
         private readonly ILogger _logger = logger;
 
-        public async Task Process(
-            TRequest request,
-            CancellationToken cancellationToken)
+        public async Task<TResponse> Handle(TRequest request, RequestHandlerDelegate<TResponse> next, CancellationToken cancellationToken)
         {
             var requestName = typeof(TRequest).Name;
             var user = claimsPrincipalAccessor.IsAuthenticated ? claimsPrincipalAccessor.UserId : "Anonymous";
 
             _logger.LogInformation($"Application Request [User: {user}, Claims: {claimsPrincipalAccessor.Claims}, RequestName: {requestName}, Payload: {request}]");
-            
-            await Task.FromResult(0);
+
+            return await next();
         }
     }
 }

src/Application/DependencyInjection.cs

@@ -29,7 +29,7 @@ public static IServiceCollection AddApplication(this IServiceCollection services
                 cfg.AddBehavior(typeof(IPipelineBehavior<,>), typeof(PerformanceBehavior<,>));
                 cfg.AddBehavior(typeof(IPipelineBehavior<,>), typeof(ApiExceptionBehavior<,>));
                 cfg.AddBehavior(typeof(IPipelineBehavior<,>), typeof(AuthorizationBehavior<,>));
-                cfg.AddOpenRequestPreProcessor(typeof(LoggingBehavior<>));
+                cfg.AddBehavior(typeof(IPipelineBehavior<,>), typeof(LoggingBehavior<,>));
             });
 
             services.AddValidatorsFromAssembly(assembly);

src/Application/Features/Merchants/Commands/SaveProductCommand.cs

@@ -37,8 +37,8 @@ public async Task<bool> BeUniqueSerialNumber(SaveProductRequest saveProductReque
             var query = _context.Products.Where(c => !c.IsDeleted && c.SerialNumber == saveProductRequest.SerialNumber);
 
             return saveProductRequest.ProductId.HasValue
-                ? await query.AnyAsync(c => c.ProductId != saveProductRequest.ProductId, cancellationToken)
-                : await query.AnyAsync(cancellationToken);
+                ? !await query.AnyAsync(c => c.ProductId != saveProductRequest.ProductId, cancellationToken)
+                : !await query.AnyAsync(cancellationToken);
 
         }