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0a7a85c | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 | using System.Net;
using System.Text.Json;
using AiDevProject.Core.Exceptions;
namespace AiDevProject.Api.Middleware;
/// <summary>
/// Global error handling middleware.
/// </summary>
public class ErrorHandlingMiddleware
{
private readonly RequestDelegate _next;
private readonly ILogger<ErrorHandlingMiddleware> _logger;
public ErrorHandlingMiddleware(RequestDelegate next, ILogger<ErrorHandlingMiddleware> logger)
{
_next = next;
_logger = logger;
}
public async Task InvokeAsync(HttpContext context)
{
try
{
await _next(context);
}
catch (AppException ex) when (ex.IsOperational)
{
_logger.LogWarning("Operational error: {Message}", ex.Message);
await HandleExceptionAsync(context, ex.StatusCode, ex.Message);
}
catch (Exception ex)
{
_logger.LogError(ex, "Unexpected error: {Message}", ex.Message);
await HandleExceptionAsync(context, 500, "Internal server error");
}
}
private static async Task HandleExceptionAsync(HttpContext context, int statusCode, string message)
{
context.Response.StatusCode = statusCode;
context.Response.ContentType = "application/json";
var response = new { status = "error", message };
await context.Response.WriteAsync(JsonSerializer.Serialize(response));
}
}
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