55 lines
1.9 KiB
C#
55 lines
1.9 KiB
C#
using System.Net;
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using System.Text.Json;
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using UniVerse.Domain.Exceptions;
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namespace UniVerse.Api.Middleware;
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public class ExceptionHandlingMiddleware
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{
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private readonly RequestDelegate _next;
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private readonly ILogger<ExceptionHandlingMiddleware> _logger;
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public ExceptionHandlingMiddleware(RequestDelegate next, ILogger<ExceptionHandlingMiddleware> logger)
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{
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_next = next; _logger = logger;
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}
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public async Task InvokeAsync(HttpContext context)
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{
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try { await _next(context); }
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catch (Exception ex) { await HandleExceptionAsync(context, ex); }
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}
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private async Task HandleExceptionAsync(HttpContext context, Exception exception)
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{
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var (statusCode, title) = exception switch
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{
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NotFoundException => ((int)HttpStatusCode.NotFound, "Not Found"),
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ForbiddenException => ((int)HttpStatusCode.Forbidden, "Forbidden"),
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ConflictException => ((int)HttpStatusCode.Conflict, "Conflict"),
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UnauthorizedAccessException => ((int)HttpStatusCode.Unauthorized, "Unauthorized"),
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_ => ((int)HttpStatusCode.InternalServerError, "Internal Server Error")
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};
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if (statusCode == 500)
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_logger.LogError(exception, "Unhandled exception");
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else
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_logger.LogWarning("Handled exception: {Message}", exception.Message);
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context.Response.ContentType = "application/problem+json";
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context.Response.StatusCode = statusCode;
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var problem = new
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{
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type = $"https://httpstatuses.com/{statusCode}",
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title,
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status = statusCode,
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detail = exception.Message,
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traceId = context.TraceIdentifier
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};
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await context.Response.WriteAsync(JsonSerializer.Serialize(problem,
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new JsonSerializerOptions { PropertyNamingPolicy = JsonNamingPolicy.CamelCase }));
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}
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}
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