34 lines
1.2 KiB
C#
34 lines
1.2 KiB
C#
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using System.Text.Json;
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using FlatRender.StudioSvc.Models.Responses;
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namespace FlatRender.StudioSvc.Middleware;
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public class ExceptionMiddleware(RequestDelegate next, ILogger<ExceptionMiddleware> logger)
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{
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private static readonly JsonSerializerOptions JsonOptions = new()
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{
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PropertyNamingPolicy = JsonNamingPolicy.SnakeCaseLower
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};
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public async Task InvokeAsync(HttpContext ctx)
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{
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try { await next(ctx); }
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catch (Exception ex)
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{
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logger.LogError(ex, "Unhandled exception");
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var (status, code) = ex switch
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{
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KeyNotFoundException => (404, "not_found"),
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UnauthorizedAccessException => (401, "unauthorized"),
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InvalidOperationException => (400, "invalid_operation"),
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ArgumentException => (400, "bad_request"),
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_ => (500, "internal_error")
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};
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ctx.Response.StatusCode = status;
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ctx.Response.ContentType = "application/json";
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var body = new { error = new ApiError(code, ex.Message, ctx.TraceIdentifier) };
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await ctx.Response.WriteAsync(JsonSerializer.Serialize(body, JsonOptions));
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}
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}
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}
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