50 lines
1.3 KiB
C#
50 lines
1.3 KiB
C#
using System.Diagnostics;
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using MediatR;
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using Microsoft.Extensions.Logging;
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namespace MyNewProjectName.Application.Behaviors;
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/// <summary>
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/// Logging behavior for MediatR pipeline
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/// </summary>
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public class LoggingBehavior<TRequest, TResponse> : IPipelineBehavior<TRequest, TResponse>
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where TRequest : notnull
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{
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private readonly ILogger<LoggingBehavior<TRequest, TResponse>> _logger;
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public LoggingBehavior(ILogger<LoggingBehavior<TRequest, TResponse>> logger)
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{
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_logger = logger;
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}
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public async Task<TResponse> Handle(TRequest request, RequestHandlerDelegate<TResponse> next, CancellationToken cancellationToken)
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{
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var requestName = typeof(TRequest).Name;
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_logger.LogInformation("Handling {RequestName}", requestName);
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var stopwatch = Stopwatch.StartNew();
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try
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{
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var response = await next();
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stopwatch.Stop();
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_logger.LogInformation("Handled {RequestName} in {ElapsedMilliseconds}ms",
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requestName, stopwatch.ElapsedMilliseconds);
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return response;
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}
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catch (Exception ex)
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{
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stopwatch.Stop();
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_logger.LogError(ex, "Error handling {RequestName} after {ElapsedMilliseconds}ms",
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requestName, stopwatch.ElapsedMilliseconds);
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throw;
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}
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}
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}
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